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data ], {\n                        type: mime\n                    });\n                }\n            }, intArray, mimeString;\n            if (dataUri.split(\",\")[0].indexOf(\"base64\") >= 0) {\n                byteString = atob(dataUri.split(\",\")[1]);\n            } else {\n                byteString = decodeURI(dataUri.split(\",\")[1]);\n            }\n            mimeString = dataUri.split(\",\")[0].split(\":\")[1].split(\";\")[0];\n            arrayBuffer = new ArrayBuffer(byteString.length);\n            intArray = new Uint8Array(arrayBuffer);\n            qq.each(byteString, function(idx, character) {\n                intArray[idx] = character.charCodeAt(0);\n            });\n            return createBlob(arrayBuffer, mimeString);\n        };\n        qq.log = function(message, level) {\n            if (window.console) {\n                if (!level || level === \"info\") {\n                    window.console.log(message);\n                } else {\n                    if (window.console[level]) {\n                        window.console[level](message);\n                    } else {\n                        window.console.log(\"<\" + level + \"> \" + message);\n                    }\n                }\n            }\n        };\n        qq.isObject = function(variable) {\n            return variable && !variable.nodeType && Object.prototype.toString.call(variable) === \"[object Object]\";\n        };\n        qq.isFunction = function(variable) {\n            return typeof variable === \"function\";\n        };\n        qq.isArray = function(value) {\n            return Object.prototype.toString.call(value) === \"[object Array]\" || value && window.ArrayBuffer && value.buffer && value.buffer.constructor === ArrayBuffer;\n        };\n        qq.isItemList = function(maybeItemList) {\n            return Object.prototype.toString.call(maybeItemList) === \"[object DataTransferItemList]\";\n        };\n        qq.isNodeList = function(maybeNodeList) {\n            return Object.prototype.toString.call(maybeNodeList) === \"[object NodeList]\" || maybeNodeList.item && maybeNodeList.namedItem;\n        };\n        qq.isString = function(maybeString) {\n            return Object.prototype.toString.call(maybeString) === \"[object String]\";\n        };\n        qq.trimStr = function(string) {\n            if (String.prototype.trim) {\n                return string.trim();\n            }\n            return string.replace(/^\\s+|\\s+$/g, \"\");\n        };\n        qq.format = function(str) {\n            var args = Array.prototype.slice.call(arguments, 1), newStr = str, nextIdxToReplace = newStr.indexOf(\"{}\");\n            qq.each(args, function(idx, val) {\n                var strBefore = newStr.substring(0, nextIdxToReplace), strAfter = newStr.substring(nextIdxToReplace + 2);\n                newStr = strBefore + val + strAfter;\n                nextIdxToReplace = newStr.indexOf(\"{}\", nextIdxToReplace + val.length);\n                if (nextIdxToReplace < 0) {\n                    return false;\n                }\n            });\n            return newStr;\n        };\n        qq.isFile = function(maybeFile) {\n            return window.File && Object.prototype.toString.call(maybeFile) === \"[object File]\";\n        };\n        qq.isFileList = function(maybeFileList) {\n            return window.FileList && Object.prototype.toString.call(maybeFileList) === \"[object FileList]\";\n        };\n        qq.isFileOrInput = function(maybeFileOrInput) {\n            return qq.isFile(maybeFileOrInput) || qq.isInput(maybeFileOrInput);\n        };\n        qq.isInput = function(maybeInput, notFile) {\n            var evaluateType = function(type) {\n                var normalizedType = type.toLowerCase();\n                if (notFile) {\n                    return normalizedType !== \"file\";\n                }\n                return normalizedType === \"file\";\n            };\n            if (window.HTMLInputElement) {\n                if (Object.prototype.toString.call(maybeInput) === \"[object HTMLInputElement]\") {\n                    if (maybeInput.type && evaluateType(maybeInput.type)) {\n                        return true;\n                    }\n                }\n            }\n            if (maybeInput.tagName) {\n                if (maybeInput.tagName.toLowerCase() === \"input\") {\n                    if (maybeInput.type && evaluateType(maybeInput.type)) {\n                        return true;\n                    }\n                }\n            }\n            return false;\n        };\n        qq.isBlob = function(maybeBlob) {\n            if (window.Blob && Object.prototype.toString.call(maybeBlob) === \"[object Blob]\") {\n                return true;\n            }\n        };\n        qq.isXhrUploadSupported = function() {\n            var input = document.createElement(\"input\");\n            input.type = \"file\";\n            return input.multiple !== undefined && typeof File !== \"undefined\" && typeof FormData !== \"undefined\" && typeof qq.createXhrInstance().upload !== \"undefined\";\n        };\n        qq.createXhrInstance = function() {\n            if (window.XMLHttpRequest) {\n                return new XMLHttpRequest();\n            }\n            try {\n                return new ActiveXObject(\"MSXML2.XMLHTTP.3.0\");\n            } catch (error) {\n                qq.log(\"Neither XHR or ActiveX are supported!\", \"error\");\n                return null;\n            }\n        };\n        qq.isFolderDropSupported = function(dataTransfer) {\n            return dataTransfer.items && dataTransfer.items.length > 0 && dataTransfer.items[0].webkitGetAsEntry;\n        };\n        qq.isFileChunkingSupported = function() {\n            return !qq.androidStock() && qq.isXhrUploadSupported() && (File.prototype.slice !== undefined || File.prototype.webkitSlice !== undefined || File.prototype.mozSlice !== undefined);\n        };\n        qq.sliceBlob = function(fileOrBlob, start, end) {\n            var slicer = fileOrBlob.slice || fileOrBlob.mozSlice || fileOrBlob.webkitSlice;\n            return slicer.call(fileOrBlob, start, end);\n        };\n        qq.arrayBufferToHex = function(buffer) {\n            var bytesAsHex = \"\", bytes = new Uint8Array(buffer);\n            qq.each(bytes, function(idx, byt) {\n                var byteAsHexStr = byt.toString(16);\n                if (byteAsHexStr.length < 2) {\n                    byteAsHexStr = \"0\" + byteAsHexStr;\n                }\n                bytesAsHex += byteAsHexStr;\n            });\n            return bytesAsHex;\n        };\n        qq.readBlobToHex = function(blob, startOffset, length) {\n            var initialBlob = qq.sliceBlob(blob, startOffset, startOffset + length), fileReader = new FileReader(), promise = new qq.Promise();\n            fileReader.onload = function() {\n                promise.success(qq.arrayBufferToHex(fileReader.result));\n            };\n            fileReader.onerror = promise.failure;\n            fileReader.readAsArrayBuffer(initialBlob);\n            return promise;\n        };\n        qq.extend = function(first, second, extendNested) {\n            qq.each(second, function(prop, val) {\n                if (extendNested && qq.isObject(val)) {\n                    if (first[prop] === undefined) {\n                        first[prop] = {};\n                    }\n                    qq.extend(first[prop], val, true);\n                } else {\n                    first[prop] = val;\n                }\n            });\n            return first;\n        };\n        qq.override = function(target, sourceFn) {\n            var super_ = {}, source = sourceFn(super_);\n            qq.each(source, function(srcPropName, srcPropVal) {\n                if (target[srcPropName] !== undefined) {\n                    super_[srcPropName] = target[srcPropName];\n                }\n                target[srcPropName] = srcPropVal;\n            });\n            return target;\n        };\n        qq.indexOf = function(arr, elt, from) {\n            if (arr.indexOf) {\n                return arr.indexOf(elt, from);\n            }\n            from = from || 0;\n            var len = arr.length;\n            if (from < 0) {\n                from += len;\n            }\n            for (;from < len; from += 1) {\n                if (arr.hasOwnProperty(from) && arr[from] === elt) {\n                    return from;\n                }\n            }\n            return -1;\n        };\n        qq.getUniqueId = function() {\n            return \"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx\".replace(/[xy]/g, function(c) {\n                var r = Math.random() * 16 | 0, v = c == \"x\" ? r : r & 3 | 8;\n                return v.toString(16);\n            });\n        };\n        qq.ie = function() {\n            return navigator.userAgent.indexOf(\"MSIE\") !== -1 || navigator.userAgent.indexOf(\"Trident\") !== -1;\n        };\n        qq.ie7 = function() {\n            return navigator.userAgent.indexOf(\"MSIE 7\") !== -1;\n        };\n        qq.ie8 = function() {\n            return navigator.userAgent.indexOf(\"MSIE 8\") !== -1;\n        };\n        qq.ie10 = function() {\n            return navigator.userAgent.indexOf(\"MSIE 10\") !== -1;\n        };\n        qq.ie11 = function() {\n            return qq.ie() && navigator.userAgent.indexOf(\"rv:11\") !== -1;\n        };\n        qq.edge = function() {\n            return navigator.userAgent.indexOf(\"Edge\") >= 0;\n        };\n        qq.safari = function() {\n            return navigator.vendor !== undefined && navigator.vendor.indexOf(\"Apple\") !== -1;\n        };\n        qq.chrome = function() {\n            return navigator.vendor !== undefined && navigator.vendor.indexOf(\"Google\") !== -1;\n        };\n        qq.opera = function() {\n            return navigator.vendor !== undefined && navigator.vendor.indexOf(\"Opera\") !== -1;\n        };\n        qq.firefox = function() {\n            return !qq.edge() && !qq.ie11() && navigator.userAgent.indexOf(\"Mozilla\") !== -1 && navigator.vendor !== undefined && navigator.vendor === \"\";\n        };\n        qq.windows = function() {\n            return navigator.platform === \"Win32\";\n        };\n        qq.android = function() {\n            return navigator.userAgent.toLowerCase().indexOf(\"android\") !== -1;\n        };\n        qq.androidStock = function() {\n            return qq.android() && navigator.userAgent.toLowerCase().indexOf(\"chrome\") < 0;\n        };\n        qq.ios6 = function() {\n            return qq.ios() && navigator.userAgent.indexOf(\" OS 6_\") !== -1;\n        };\n        qq.ios7 = function() {\n            return qq.ios() && navigator.userAgent.indexOf(\" OS 7_\") !== -1;\n        };\n        qq.ios8 = function() {\n            return qq.ios() && navigator.userAgent.indexOf(\" OS 8_\") !== -1;\n        };\n        qq.ios800 = function() {\n            return qq.ios() && navigator.userAgent.indexOf(\" OS 8_0 \") !== -1;\n        };\n        qq.ios = function() {\n            return navigator.userAgent.indexOf(\"iPad\") !== -1 || navigator.userAgent.indexOf(\"iPod\") !== -1 || navigator.userAgent.indexOf(\"iPhone\") !== -1;\n        };\n        qq.iosChrome = function() {\n            return qq.ios() && navigator.userAgent.indexOf(\"CriOS\") !== -1;\n        };\n        qq.iosSafari = function() {\n            return qq.ios() && !qq.iosChrome() && navigator.userAgent.indexOf(\"Safari\") !== -1;\n        };\n        qq.iosSafariWebView = function() {\n            return qq.ios() && !qq.iosChrome() && !qq.iosSafari();\n        };\n        qq.preventDefault = function(e) {\n            if (e.preventDefault) {\n                e.preventDefault();\n            } else {\n                e.returnValue = false;\n            }\n        };\n        qq.toElement = function() {\n            var div = document.createElement(\"div\");\n            return function(html) {\n                div.innerHTML = html;\n                var element = div.firstChild;\n                div.removeChild(element);\n                return element;\n            };\n        }();\n        qq.each = function(iterableItem, callback) {\n            var keyOrIndex, retVal;\n            if (iterableItem) {\n                if (window.Storage && iterableItem.constructor === window.Storage) {\n                    for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) {\n                        retVal = callback(iterableItem.key(keyOrIndex), iterableItem.getItem(iterableItem.key(keyOrIndex)));\n                        if (retVal === false) {\n                            break;\n                        }\n                    }\n                } else if (qq.isArray(iterableItem) || qq.isItemList(iterableItem) || qq.isNodeList(iterableItem)) {\n                    for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) {\n                        retVal = callback(keyOrIndex, iterableItem[keyOrIndex]);\n                        if (retVal === false) {\n                            break;\n                        }\n                    }\n                } else if (qq.isString(iterableItem)) {\n                    for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) {\n                        retVal = callback(keyOrIndex, iterableItem.charAt(keyOrIndex));\n                        if (retVal === false) {\n                            break;\n                        }\n                    }\n                } else {\n                    for (keyOrIndex in iterableItem) {\n                        if (Object.prototype.hasOwnProperty.call(iterableItem, keyOrIndex)) {\n                            retVal = callback(keyOrIndex, iterableItem[keyOrIndex]);\n                            if (retVal === false) {\n                                break;\n                            }\n                        }\n                    }\n                }\n            }\n        };\n        qq.bind = function(oldFunc, context) {\n            if (qq.isFunction(oldFunc)) {\n                var args = Array.prototype.slice.call(arguments, 2);\n                return function() {\n                    var newArgs = qq.extend([], args);\n                    if (arguments.length) {\n                        newArgs = newArgs.concat(Array.prototype.slice.call(arguments));\n                    }\n                    return oldFunc.apply(context, newArgs);\n                };\n            }\n            throw new Error(\"first parameter must be a function!\");\n        };\n        qq.obj2url = function(obj, temp, prefixDone) {\n            var uristrings = [], prefix = \"&\", add = function(nextObj, i) {\n                var nextTemp = temp ? /\\[\\]$/.test(temp) ? temp : temp + \"[\" + i + \"]\" : i;\n                if (nextTemp !== \"undefined\" && i !== \"undefined\") {\n                    uristrings.push(typeof nextObj === \"object\" ? qq.obj2url(nextObj, nextTemp, true) : Object.prototype.toString.call(nextObj) === \"[object Function]\" ? encodeURIComponent(nextTemp) + \"=\" + encodeURIComponent(nextObj()) : encodeURIComponent(nextTemp) + \"=\" + encodeURIComponent(nextObj));\n                }\n            };\n            if (!prefixDone && temp) {\n                prefix = /\\?/.test(temp) ? /\\?$/.test(temp) ? \"\" : \"&\" : \"?\";\n                uristrings.push(temp);\n                uristrings.push(qq.obj2url(obj));\n            } else if (Object.prototype.toString.call(obj) === \"[object Array]\" && typeof obj !== \"undefined\") {\n                qq.each(obj, function(idx, val) {\n                    add(val, idx);\n                });\n            } else if (typeof obj !== \"undefined\" && obj !== null && typeof obj === \"object\") {\n                qq.each(obj, function(prop, val) {\n                    add(val, prop);\n                });\n            } else {\n                uristrings.push(encodeURIComponent(temp) + \"=\" + encodeURIComponent(obj));\n            }\n            if (temp) {\n                return uristrings.join(prefix);\n            } else {\n                return uristrings.join(prefix).replace(/^&/, \"\").replace(/%20/g, \"+\");\n            }\n        };\n        qq.obj2FormData = function(obj, formData, arrayKeyName) {\n            if (!formData) {\n                formData = new FormData();\n            }\n            qq.each(obj, function(key, val) {\n                key = arrayKeyName ? arrayKeyName + \"[\" + key + \"]\" : key;\n                if (qq.isObject(val)) {\n                    qq.obj2FormData(val, formData, key);\n                } else if (qq.isFunction(val)) {\n                    formData.append(key, val());\n                } else {\n                    formData.append(key, val);\n                }\n            });\n            return formData;\n        };\n        qq.obj2Inputs = function(obj, form) {\n            var input;\n            if (!form) {\n                form = document.createElement(\"form\");\n            }\n            qq.obj2FormData(obj, {\n                append: function(key, val) {\n                    input = document.createElement(\"input\");\n                    input.setAttribute(\"name\", key);\n                    input.setAttribute(\"value\", val);\n                    form.appendChild(input);\n                }\n            });\n            return form;\n        };\n        qq.parseJson = function(json) {\n            if (window.JSON && qq.isFunction(JSON.parse)) {\n                return JSON.parse(json);\n            } else {\n                return eval(\"(\" + json + \")\");\n            }\n        };\n        qq.getExtension = function(filename) {\n            var extIdx = filename.lastIndexOf(\".\") + 1;\n            if (extIdx > 0) {\n                return filename.substr(extIdx, filename.length - extIdx);\n            }\n        };\n        qq.getFilename = function(blobOrFileInput) {\n            if (qq.isInput(blobOrFileInput)) {\n                return blobOrFileInput.value.replace(/.*(\\/|\\\\)/, \"\");\n            } else if (qq.isFile(blobOrFileInput)) {\n                if (blobOrFileInput.fileName !== null && blobOrFileInput.fileName !== undefined) {\n                    return blobOrFileInput.fileName;\n                }\n            }\n            return blobOrFileInput.name;\n        };\n        qq.DisposeSupport = function() {\n            var disposers = [];\n            return {\n                dispose: function() {\n                    var disposer;\n                    do {\n                        disposer = disposers.shift();\n                        if (disposer) {\n                            disposer();\n                        }\n                    } while (disposer);\n                },\n                attach: function() {\n                    var args = arguments;\n                    this.addDisposer(qq(args[0]).attach.apply(this, Array.prototype.slice.call(arguments, 1)));\n                },\n                addDisposer: function(disposeFunction) {\n                    disposers.push(disposeFunction);\n                }\n            };\n        };\n    })();\n    (function() {\n        \"use strict\";\n        if (typeof define === \"function\" && define.amd) {\n            define(function() {\n                return qq;\n            });\n        } else if (typeof module !== \"undefined\" && module.exports) {\n            module.exports = qq;\n        } else {\n            global.qq = qq;\n        }\n    })();\n    (function() {\n        \"use strict\";\n        qq.Error = function(message) {\n            this.message = \"[Fine Uploader \" + qq.version + \"] \" + message;\n        };\n        qq.Error.prototype = new Error();\n    })();\n    qq.version = \"5.16.2\";\n    qq.supportedFeatures = function() {\n        \"use strict\";\n        var supportsUploading, supportsUploadingBlobs, supportsFileDrop, supportsAjaxFileUploading, supportsFolderDrop, supportsChunking, supportsResume, supportsUploadViaPaste, supportsUploadCors, supportsDeleteFileXdr, supportsDeleteFileCorsXhr, supportsDeleteFileCors, supportsFolderSelection, supportsImagePreviews, supportsUploadProgress;\n        function testSupportsFileInputElement() {\n            var supported = true, tempInput;\n            try {\n                tempInput = document.createElement(\"input\");\n                tempInput.type = \"file\";\n                qq(tempInput).hide();\n                if (tempInput.disabled) {\n                    supported = false;\n                }\n            } catch (ex) {\n                supported = false;\n            }\n            return supported;\n        }\n        function isChrome14OrHigher() {\n            return (qq.chrome() || qq.opera()) && navigator.userAgent.match(/Chrome\\/[1][4-9]|Chrome\\/[2-9][0-9]/) !== undefined;\n        }\n        function isCrossOriginXhrSupported() {\n            if (window.XMLHttpRequest) {\n                var xhr = qq.createXhrInstance();\n                return xhr.withCredentials !== undefined;\n            }\n            return false;\n        }\n        function isXdrSupported() {\n            return window.XDomainRequest !== undefined;\n        }\n        function isCrossOriginAjaxSupported() {\n            if (isCrossOriginXhrSupported()) {\n                return true;\n            }\n            return isXdrSupported();\n        }\n        function isFolderSelectionSupported() {\n            return document.createElement(\"input\").webkitdirectory !== undefined;\n        }\n        function isLocalStorageSupported() {\n            try {\n                return !!window.localStorage && qq.isFunction(window.localStorage.setItem);\n            } catch (error) {\n                return false;\n            }\n        }\n        function isDragAndDropSupported() {\n            var span = document.createElement(\"span\");\n            return (\"draggable\" in span || \"ondragstart\" in span && \"ondrop\" in span) && !qq.android() && !qq.ios();\n        }\n        supportsUploading = testSupportsFileInputElement();\n        supportsAjaxFileUploading = supportsUploading && qq.isXhrUploadSupported();\n        supportsUploadingBlobs = supportsAjaxFileUploading && !qq.androidStock();\n        supportsFileDrop = supportsAjaxFileUploading && isDragAndDropSupported();\n        supportsFolderDrop = supportsFileDrop && function() {\n            var input = document.createElement(\"input\");\n            input.type = \"file\";\n            return !!(\"webkitdirectory\" in (input || document.querySelectorAll(\"input[type=file]\")[0]));\n        }();\n        supportsChunking = supportsAjaxFileUploading && qq.isFileChunkingSupported();\n        supportsResume = supportsAjaxFileUploading && supportsChunking && isLocalStorageSupported();\n        supportsUploadViaPaste = supportsAjaxFileUploading && isChrome14OrHigher();\n        supportsUploadCors = supportsUploading && (window.postMessage !== undefined || supportsAjaxFileUploading);\n        supportsDeleteFileCorsXhr = isCrossOriginXhrSupported();\n        supportsDeleteFileXdr = isXdrSupported();\n        supportsDeleteFileCors = isCrossOriginAjaxSupported();\n        supportsFolderSelection = isFolderSelectionSupported();\n        supportsImagePreviews = supportsAjaxFileUploading && window.FileReader !== undefined;\n        supportsUploadProgress = function() {\n            if (supportsAjaxFileUploading) {\n                return !qq.androidStock() && !qq.iosChrome();\n            }\n            return false;\n        }();\n        return {\n            ajaxUploading: supportsAjaxFileUploading,\n            blobUploading: supportsUploadingBlobs,\n            canDetermineSize: supportsAjaxFileUploading,\n            chunking: supportsChunking,\n            deleteFileCors: supportsDeleteFileCors,\n            deleteFileCorsXdr: supportsDeleteFileXdr,\n            deleteFileCorsXhr: supportsDeleteFileCorsXhr,\n            dialogElement: !!window.HTMLDialogElement,\n            fileDrop: supportsFileDrop,\n            folderDrop: supportsFolderDrop,\n            folderSelection: supportsFolderSelection,\n            imagePreviews: supportsImagePreviews,\n            imageValidation: supportsImagePreviews,\n            itemSizeValidation: supportsAjaxFileUploading,\n            pause: supportsChunking,\n            progressBar: supportsUploadProgress,\n            resume: supportsResume,\n            scaling: supportsImagePreviews && supportsUploadingBlobs,\n            tiffPreviews: qq.safari(),\n            unlimitedScaledImageSize: !qq.ios(),\n            uploading: supportsUploading,\n            uploadCors: supportsUploadCors,\n            uploadCustomHeaders: supportsAjaxFileUploading,\n            uploadNonMultipart: supportsAjaxFileUploading,\n            uploadViaPaste: supportsUploadViaPaste\n        };\n    }();\n    qq.isGenericPromise = function(maybePromise) {\n        \"use strict\";\n        return !!(maybePromise && maybePromise.then && qq.isFunction(maybePromise.then));\n    };\n    qq.Promise = function() {\n        \"use strict\";\n        var successArgs, failureArgs, successCallbacks = [], failureCallbacks = [], doneCallbacks = [], state = 0;\n        qq.extend(this, {\n            then: function(onSuccess, onFailure) {\n                if (state === 0) {\n                    if (onSuccess) {\n                        successCallbacks.push(onSuccess);\n                    }\n                    if (onFailure) {\n                        failureCallbacks.push(onFailure);\n                    }\n                } else if (state === -1) {\n                    onFailure && onFailure.apply(null, failureArgs);\n                } else if (onSuccess) {\n                    onSuccess.apply(null, successArgs);\n                }\n                return this;\n            },\n            done: function(callback) {\n                if (state === 0) {\n                    doneCallbacks.push(callback);\n                } else {\n                    callback.apply(null, failureArgs === undefined ? successArgs : failureArgs);\n                }\n                return this;\n            },\n            success: function() {\n                state = 1;\n                successArgs = arguments;\n                if (successCallbacks.length) {\n                    qq.each(successCallbacks, function(idx, callback) {\n                        callback.apply(null, successArgs);\n                    });\n                }\n                if (doneCallbacks.length) {\n                    qq.each(doneCallbacks, function(idx, callback) {\n                        callback.apply(null, successArgs);\n                    });\n                }\n                return this;\n            },\n            failure: function() {\n                state = -1;\n                failureArgs = arguments;\n                if (failureCallbacks.length) {\n                    qq.each(failureCallbacks, function(idx, callback) {\n                        callback.apply(null, failureArgs);\n                    });\n                }\n                if (doneCallbacks.length) {\n                    qq.each(doneCallbacks, function(idx, callback) {\n                        callback.apply(null, failureArgs);\n                    });\n                }\n                return this;\n            }\n        });\n    };\n    qq.BlobProxy = function(referenceBlob, onCreate) {\n        \"use strict\";\n        qq.extend(this, {\n            referenceBlob: referenceBlob,\n            create: function() {\n                return onCreate(referenceBlob);\n            }\n        });\n    };\n    qq.UploadButton = function(o) {\n        \"use strict\";\n        var self = this, disposeSupport = new qq.DisposeSupport(), options = {\n            acceptFiles: null,\n            element: null,\n            focusClass: \"qq-upload-button-focus\",\n            folders: false,\n            hoverClass: \"qq-upload-button-hover\",\n            ios8BrowserCrashWorkaround: false,\n            multiple: false,\n            name: \"qqfile\",\n            onChange: function(input) {},\n            title: null\n        }, input, buttonId;\n        qq.extend(options, o);\n        buttonId = qq.getUniqueId();\n        function createInput() {\n            var input = document.createElement(\"input\");\n            input.setAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME, buttonId);\n            input.setAttribute(\"title\", options.title);\n            self.setMultiple(options.multiple, input);\n            if (options.folders && qq.supportedFeatures.folderSelection) {\n                input.setAttribute(\"webkitdirectory\", \"\");\n            }\n            if (options.acceptFiles) {\n                input.setAttribute(\"accept\", options.acceptFiles);\n            }\n            input.setAttribute(\"type\", \"file\");\n            input.setAttribute(\"name\", options.name);\n            qq(input).css({\n                position: \"absolute\",\n                right: 0,\n                top: 0,\n                fontFamily: \"Arial\",\n                fontSize: qq.ie() && !qq.ie8() ? \"3500px\" : \"118px\",\n                margin: 0,\n                padding: 0,\n                cursor: \"pointer\",\n                opacity: 0\n            });\n            !qq.ie7() && qq(input).css({\n                height: \"100%\"\n            });\n            options.element.appendChild(input);\n            disposeSupport.attach(input, \"change\", function() {\n                options.onChange(input);\n            });\n            disposeSupport.attach(input, \"mouseover\", function() {\n                qq(options.element).addClass(options.hoverClass);\n            });\n            disposeSupport.attach(input, \"mouseout\", function() {\n                qq(options.element).removeClass(options.hoverClass);\n            });\n            disposeSupport.attach(input, \"focus\", function() {\n                qq(options.element).addClass(options.focusClass);\n            });\n            disposeSupport.attach(input, \"blur\", function() {\n                qq(options.element).removeClass(options.focusClass);\n            });\n            return input;\n        }\n        qq(options.element).css({\n            position: \"relative\",\n            overflow: \"hidden\",\n            direction: \"ltr\"\n        });\n        qq.extend(this, {\n            getInput: function() {\n                return input;\n            },\n            getButtonId: function() {\n                return buttonId;\n            },\n            setMultiple: function(isMultiple, optInput) {\n                var input = optInput || this.getInput();\n                if (options.ios8BrowserCrashWorkaround && qq.ios8() && (qq.iosChrome() || qq.iosSafariWebView())) {\n                    input.setAttribute(\"multiple\", \"\");\n                } else {\n                    if (isMultiple) {\n                        input.setAttribute(\"multiple\", \"\");\n                    } else {\n                        input.removeAttribute(\"multiple\");\n                    }\n                }\n            },\n            setAcceptFiles: function(acceptFiles) {\n                if (acceptFiles !== options.acceptFiles) {\n                    input.setAttribute(\"accept\", acceptFiles);\n                }\n            },\n            reset: function() {\n                if (input.parentNode) {\n                    qq(input).remove();\n                }\n                qq(options.element).removeClass(options.focusClass);\n                input = null;\n                input = createInput();\n            }\n        });\n        input = createInput();\n    };\n    qq.UploadButton.BUTTON_ID_ATTR_NAME = \"qq-button-id\";\n    qq.UploadData = function(uploaderProxy) {\n        \"use strict\";\n        var data = [], byUuid = {}, byStatus = {}, byProxyGroupId = {}, byBatchId = {};\n        function getDataByIds(idOrIds) {\n            if (qq.isArray(idOrIds)) {\n                var entries = [];\n                qq.each(idOrIds, function(idx, id) {\n                    entries.push(data[id]);\n                });\n                return entries;\n            }\n            return data[idOrIds];\n        }\n        function getDataByUuids(uuids) {\n            if (qq.isArray(uuids)) {\n                var entries = [];\n                qq.each(uuids, function(idx, uuid) {\n                    entries.push(data[byUuid[uuid]]);\n                });\n                return entries;\n            }\n            return data[byUuid[uuids]];\n        }\n        function getDataByStatus(status) {\n            var statusResults = [], statuses = [].concat(status);\n            qq.each(statuses, function(index, statusEnum) {\n                var statusResultIndexes = byStatus[statusEnum];\n                if (statusResultIndexes !== undefined) {\n                    qq.each(statusResultIndexes, function(i, dataIndex) {\n                        statusResults.push(data[dataIndex]);\n                    });\n                }\n            });\n            return statusResults;\n        }\n        qq.extend(this, {\n            addFile: function(spec) {\n                var status = spec.status || qq.status.SUBMITTING, id = data.push({\n                    name: spec.name,\n                    originalName: spec.name,\n                    uuid: spec.uuid,\n                    size: spec.size == null ? -1 : spec.size,\n                    status: status,\n                    file: spec.file\n                }) - 1;\n                if (spec.batchId) {\n                    data[id].batchId = spec.batchId;\n                    if (byBatchId[spec.batchId] === undefined) {\n                        byBatchId[spec.batchId] = [];\n                    }\n                    byBatchId[spec.batchId].push(id);\n                }\n                if (spec.proxyGroupId) {\n                    data[id].proxyGroupId = spec.proxyGroupId;\n                    if (byProxyGroupId[spec.proxyGroupId] === undefined) {\n                        byProxyGroupId[spec.proxyGroupId] = [];\n                    }\n                    byProxyGroupId[spec.proxyGroupId].push(id);\n                }\n                data[id].id = id;\n                byUuid[spec.uuid] = id;\n                if (byStatus[status] === undefined) {\n                    byStatus[status] = [];\n                }\n                byStatus[status].push(id);\n                spec.onBeforeStatusChange && spec.onBeforeStatusChange(id);\n                uploaderProxy.onStatusChange(id, null, status);\n                return id;\n            },\n            retrieve: function(optionalFilter) {\n                if (qq.isObject(optionalFilter) && data.length) {\n                    if (optionalFilter.id !== undefined) {\n                        return getDataByIds(optionalFilter.id);\n                    } else if (optionalFilter.uuid !== undefined) {\n                        return getDataByUuids(optionalFilter.uuid);\n                    } else if (optionalFilter.status) {\n                        return getDataByStatus(optionalFilter.status);\n                    }\n                } else {\n                    return qq.extend([], data, true);\n                }\n            },\n            removeFileRef: function(id) {\n                var record = getDataByIds(id);\n                if (record) {\n                    delete record.file;\n                }\n            },\n            reset: function() {\n                data = [];\n                byUuid = {};\n                byStatus = {};\n                byBatchId = {};\n            },\n            setStatus: function(id, newStatus) {\n                var oldStatus = data[id].status, byStatusOldStatusIndex = qq.indexOf(byStatus[oldStatus], id);\n                byStatus[oldStatus].splice(byStatusOldStatusIndex, 1);\n                data[id].status = newStatus;\n                if (byStatus[newStatus] === undefined) {\n                    byStatus[newStatus] = [];\n                }\n                byStatus[newStatus].push(id);\n                uploaderProxy.onStatusChange(id, oldStatus, newStatus);\n            },\n            uuidChanged: function(id, newUuid) {\n                var oldUuid = data[id].uuid;\n                data[id].uuid = newUuid;\n                byUuid[newUuid] = id;\n                delete byUuid[oldUuid];\n            },\n            updateName: function(id, newName) {\n                data[id].name = newName;\n            },\n            updateSize: function(id, newSize) {\n                data[id].size = newSize;\n            },\n            setParentId: function(targetId, parentId) {\n                data[targetId].parentId = parentId;\n            },\n            getIdsInProxyGroup: function(id) {\n                var proxyGroupId = data[id].proxyGroupId;\n                if (proxyGroupId) {\n                    return byProxyGroupId[proxyGroupId];\n                }\n                return [];\n            },\n            getIdsInBatch: function(id) {\n                var batchId = data[id].batchId;\n                return byBatchId[batchId];\n            }\n        });\n    };\n    qq.status = {\n        SUBMITTING: \"submitting\",\n        SUBMITTED: \"submitted\",\n        REJECTED: \"rejected\",\n        QUEUED: \"queued\",\n        CANCELED: \"canceled\",\n        PAUSED: \"paused\",\n        UPLOADING: \"uploading\",\n        UPLOAD_FINALIZING: \"upload finalizing\",\n        UPLOAD_RETRYING: \"retrying upload\",\n        UPLOAD_SUCCESSFUL: \"upload successful\",\n        UPLOAD_FAILED: \"upload failed\",\n        DELETE_FAILED: \"delete failed\",\n        DELETING: \"deleting\",\n        DELETED: \"deleted\"\n    };\n    (function() {\n        \"use strict\";\n        qq.basePublicApi = {\n            addBlobs: function(blobDataOrArray, params, endpoint) {\n                this.addFiles(blobDataOrArray, params, endpoint);\n            },\n            addInitialFiles: function(cannedFileList) {\n                var self = this;\n                qq.each(cannedFileList, function(index, cannedFile) {\n                    self._addCannedFile(cannedFile);\n                });\n            },\n            addFiles: function(data, params, endpoint) {\n                this._maybeHandleIos8SafariWorkaround();\n                var batchId = this._storedIds.length === 0 ? qq.getUniqueId() : this._currentBatchId, processBlob = qq.bind(function(blob) {\n                    this._handleNewFile({\n                        blob: blob,\n                        name: this._options.blobs.defaultName\n                    }, batchId, verifiedFiles);\n                }, this), processBlobData = qq.bind(function(blobData) {\n                    this._handleNewFile(blobData, batchId, verifiedFiles);\n                }, this), processCanvas = qq.bind(function(canvas) {\n                    var blob = qq.canvasToBlob(canvas);\n                    this._handleNewFile({\n                        blob: blob,\n                        name: this._options.blobs.defaultName + \".png\"\n                    }, batchId, verifiedFiles);\n                }, this), processCanvasData = qq.bind(function(canvasData) {\n                    var normalizedQuality = canvasData.quality && canvasData.quality / 100, blob = qq.canvasToBlob(canvasData.canvas, canvasData.type, normalizedQuality);\n                    this._handleNewFile({\n                        blob: blob,\n                        name: canvasData.name\n                    }, batchId, verifiedFiles);\n                }, this), processFileOrInput = qq.bind(function(fileOrInput) {\n                    if (qq.isInput(fileOrInput) && qq.supportedFeatures.ajaxUploading) {\n                        var files = Array.prototype.slice.call(fileOrInput.files), self = this;\n                        qq.each(files, function(idx, file) {\n                            self._handleNewFile(file, batchId, verifiedFiles);\n                        });\n                    } else {\n                        this._handleNewFile(fileOrInput, batchId, verifiedFiles);\n                    }\n                }, this), normalizeData = function() {\n                    if (qq.isFileList(data)) {\n                        data = Array.prototype.slice.call(data);\n                    }\n                    data = [].concat(data);\n                }, self = this, verifiedFiles = [];\n                this._currentBatchId = batchId;\n                if (data) {\n                    normalizeData();\n                    qq.each(data, function(idx, fileContainer) {\n                        if (qq.isFileOrInput(fileContainer)) {\n                            processFileOrInput(fileContainer);\n                        } else if (qq.isBlob(fileContainer)) {\n                            processBlob(fileContainer);\n                        } else if (qq.isObject(fileContainer)) {\n                            if (fileContainer.blob && fileContainer.name) {\n                                processBlobData(fileContainer);\n                            } else if (fileContainer.canvas && fileContainer.name) {\n                                processCanvasData(fileContainer);\n                            }\n                        } else if (fileContainer.tagName && fileContainer.tagName.toLowerCase() === \"canvas\") {\n                            processCanvas(fileContainer);\n                        } else {\n                            self.log(fileContainer + \" is not a valid file container!  Ignoring!\", \"warn\");\n                        }\n                    });\n                    this.log(\"Received \" + verifiedFiles.length + \" files.\");\n                    this._prepareItemsForUpload(verifiedFiles, params, endpoint);\n                }\n            },\n            cancel: function(id) {\n                var uploadData = this._uploadData.retrieve({\n                    id: id\n                });\n                if (uploadData && uploadData.status === qq.status.UPLOAD_FINALIZING) {\n                    this.log(qq.format(\"Ignoring cancel for file ID {} ({}).  Finalizing upload.\", id, this.getName(id)), \"error\");\n                } else {\n                    this._handler.cancel(id);\n                }\n            },\n            cancelAll: function() {\n                var storedIdsCopy = [], self = this;\n                qq.extend(storedIdsCopy, this._storedIds);\n                qq.each(storedIdsCopy, function(idx, storedFileId) {\n                    self.cancel(storedFileId);\n                });\n                this._handler.cancelAll();\n            },\n            clearStoredFiles: function() {\n                this._storedIds = [];\n            },\n            continueUpload: function(id) {\n                var uploadData = this._uploadData.retrieve({\n                    id: id\n                });\n                if (!qq.supportedFeatures.pause || !this._options.chunking.enabled) {\n                    return false;\n                }\n                if (uploadData.status === qq.status.PAUSED) {\n                    this.log(qq.format(\"Paused file ID {} ({}) will be continued.  Not paused.\", id, this.getName(id)));\n                    this._uploadFile(id);\n                    return true;\n                } else {\n                    this.log(qq.format(\"Ignoring continue for file ID {} ({}).  Not paused.\", id, this.getName(id)), \"error\");\n                }\n                return false;\n            },\n            deleteFile: function(id) {\n                return this._onSubmitDelete(id);\n            },\n            doesExist: function(fileOrBlobId) {\n                return this._handler.isValid(fileOrBlobId);\n            },\n            drawThumbnail: function(fileId, imgOrCanvas, maxSize, fromServer, customResizeFunction) {\n                var promiseToReturn = new qq.Promise(), fileOrUrl, options;\n                if (this._imageGenerator) {\n                    fileOrUrl = this._thumbnailUrls[fileId];\n                    options = {\n                        customResizeFunction: customResizeFunction,\n                        maxSize: maxSize > 0 ? maxSize : null,\n                        scale: maxSize > 0\n                    };\n                    if (!fromServer && qq.supportedFeatures.imagePreviews) {\n                        fileOrUrl = this.getFile(fileId);\n                    }\n                    if (fileOrUrl == null) {\n                        promiseToReturn.failure({\n                            container: imgOrCanvas,\n                            error: \"File or URL not found.\"\n                        });\n                    } else {\n                        this._imageGenerator.generate(fileOrUrl, imgOrCanvas, options).then(function success(modifiedContainer) {\n                            promiseToReturn.success(modifiedContainer);\n                        }, function failure(container, reason) {\n                            promiseToReturn.failure({\n                                container: container,\n                                error: reason || \"Problem generating thumbnail\"\n                            });\n                        });\n                    }\n                } else {\n                    promiseToReturn.failure({\n                        container: imgOrCanvas,\n                        error: \"Missing image generator module\"\n                    });\n                }\n                return promiseToReturn;\n            },\n            getButton: function(fileId) {\n                return this._getButton(this._buttonIdsForFileIds[fileId]);\n            },\n            getEndpoint: function(fileId) {\n                return this._endpointStore.get(fileId);\n            },\n            getFile: function(fileOrBlobId) {\n                var file = this._handler.getFile(fileOrBlobId);\n                var uploadDataRecord;\n                if (!file) {\n                    uploadDataRecord = this._uploadData.retrieve({\n                        id: fileOrBlobId\n                    });\n                    if (uploadDataRecord) {\n                        file = uploadDataRecord.file;\n                    }\n                }\n                return file || null;\n            },\n            getInProgress: function() {\n                return this._uploadData.retrieve({\n                    status: [ qq.status.UPLOADING, qq.status.UPLOAD_RETRYING, qq.status.QUEUED ]\n                }).length;\n            },\n            getName: function(id) {\n                return this._uploadData.retrieve({\n                    id: id\n                }).name;\n            },\n            getParentId: function(id) {\n                var uploadDataEntry = this.getUploads({\n                    id: id\n                }), parentId = null;\n                if (uploadDataEntry) {\n                    if (uploadDataEntry.parentId !== undefined) {\n                        parentId = uploadDataEntry.parentId;\n                    }\n                }\n                return parentId;\n            },\n            getResumableFilesData: function() {\n                return this._handler.getResumableFilesData();\n            },\n            getSize: function(id) {\n                return this._uploadData.retrieve({\n                    id: id\n                }).size;\n            },\n            getNetUploads: function() {\n                return this._netUploaded;\n            },\n            getRemainingAllowedItems: function() {\n                var allowedItems = this._currentItemLimit;\n                if (allowedItems > 0) {\n                    return allowedItems - this._netUploadedOrQueued;\n                }\n                return null;\n            },\n            getUploads: function(optionalFilter) {\n                return this._uploadData.retrieve(optionalFilter);\n            },\n            getUuid: function(id) {\n                return this._uploadData.retrieve({\n                    id: id\n                }).uuid;\n            },\n            isResumable: function(id) {\n                return this._handler.hasResumeRecord(id);\n            },\n            log: function(str, level) {\n                if (this._options.debug && (!level || level === \"info\")) {\n                    qq.log(\"[Fine Uploader \" + qq.version + \"] \" + str);\n                } else if (level && level !== \"info\") {\n                    qq.log(\"[Fine Uploader \" + qq.version + \"] \" + str, level);\n                }\n            },\n            pauseUpload: function(id) {\n                var uploadData = this._uploadData.retrieve({\n                    id: id\n                });\n                if (!qq.supportedFeatures.pause || !this._options.chunking.enabled) {\n                    return false;\n                }\n                if (qq.indexOf([ qq.status.UPLOADING, qq.status.UPLOAD_RETRYING ], uploadData.status) >= 0) {\n                    if (this._handler.pause(id)) {\n                        this._uploadData.setStatus(id, qq.status.PAUSED);\n                        return true;\n                    } else {\n                        this.log(qq.format(\"Unable to pause file ID {} ({}).\", id, this.getName(id)), \"error\");\n                    }\n                } else {\n                    this.log(qq.format(\"Ignoring pause for file ID {} ({}).  Not in progress.\", id, this.getName(id)), \"error\");\n                }\n                return false;\n            },\n            removeFileRef: function(id) {\n                this._handler.expunge(id);\n                this._uploadData.removeFileRef(id);\n            },\n            reset: function() {\n                this.log(\"Resetting uploader...\");\n                this._handler.reset();\n                this._storedIds = [];\n                this._autoRetries = [];\n                this._retryTimeouts = [];\n                this._preventRetries = [];\n                this._thumbnailUrls = [];\n                qq.each(this._buttons, function(idx, button) {\n                    button.reset();\n                });\n                this._paramsStore.reset();\n                this._endpointStore.reset();\n                this._netUploadedOrQueued = 0;\n                this._netUploaded = 0;\n                this._uploadData.reset();\n                this._buttonIdsForFileIds = [];\n                this._pasteHandler && this._pasteHandler.reset();\n                this._options.session.refreshOnReset && this._refreshSessionData();\n                this._succeededSinceLastAllComplete = [];\n                this._failedSinceLastAllComplete = [];\n                this._totalProgress && this._totalProgress.reset();\n                this._customResumeDataStore.reset();\n            },\n            retry: function(id) {\n                return this._manualRetry(id);\n            },\n            scaleImage: function(id, specs) {\n                var self = this;\n                return qq.Scaler.prototype.scaleImage(id, specs, {\n                    log: qq.bind(self.log, self),\n                    getFile: qq.bind(self.getFile, self),\n                    uploadData: self._uploadData\n                });\n            },\n            setCustomHeaders: function(headers, id) {\n                this._customHeadersStore.set(headers, id);\n            },\n            setCustomResumeData: function(id, data) {\n                this._customResumeDataStore.set(data, id);\n            },\n            setDeleteFileCustomHeaders: function(headers, id) {\n                this._deleteFileCustomHeadersStore.set(headers, id);\n            },\n            setDeleteFileEndpoint: function(endpoint, id) {\n                this._deleteFileEndpointStore.set(endpoint, id);\n            },\n            setDeleteFileParams: function(params, id) {\n                this._deleteFileParamsStore.set(params, id);\n            },\n            setEndpoint: function(endpoint, id) {\n                this._endpointStore.set(endpoint, id);\n            },\n            setForm: function(elementOrId) {\n                this._updateFormSupportAndParams(elementOrId);\n            },\n            setItemLimit: function(newItemLimit) {\n                this._currentItemLimit = newItemLimit;\n            },\n            setName: function(id, newName) {\n                this._uploadData.updateName(id, newName);\n            },\n            setParams: function(params, id) {\n                this._paramsStore.set(params, id);\n            },\n            setUuid: function(id, newUuid) {\n                return this._uploadData.uuidChanged(id, newUuid);\n            },\n            setStatus: function(id, newStatus) {\n                var fileRecord = this.getUploads({\n                    id: id\n                });\n                if (!fileRecord) {\n                    throw new qq.Error(id + \" is not a valid file ID.\");\n                }\n                switch (newStatus) {\n                  case qq.status.DELETED:\n                    this._onDeleteComplete(id, null, false);\n                    break;\n\n                  case qq.status.DELETE_FAILED:\n                    this._onDeleteComplete(id, null, true);\n                    break;\n\n                  default:\n                    var errorMessage = \"Method setStatus called on '\" + name + \"' not implemented yet for \" + newStatus;\n                    this.log(errorMessage);\n                    throw new qq.Error(errorMessage);\n                }\n            },\n            uploadStoredFiles: function() {\n                if (this._storedIds.length === 0) {\n                    this._itemError(\"noFilesError\");\n                } else {\n                    this._uploadStoredFiles();\n                }\n            }\n        };\n        qq.basePrivateApi = {\n            _addCannedFile: function(sessionData) {\n                var self = this;\n                return this._uploadData.addFile({\n                    uuid: sessionData.uuid,\n                    name: sessionData.name,\n                    size: sessionData.size,\n                    status: qq.status.UPLOAD_SUCCESSFUL,\n                    onBeforeStatusChange: function(id) {\n                        sessionData.deleteFileEndpoint && self.setDeleteFileEndpoint(sessionData.deleteFileEndpoint, id);\n                        sessionData.deleteFileParams && self.setDeleteFileParams(sessionData.deleteFileParams, id);\n                        if (sessionData.thumbnailUrl) {\n                            self._thumbnailUrls[id] = sessionData.thumbnailUrl;\n                        }\n                        self._netUploaded++;\n                        self._netUploadedOrQueued++;\n                    }\n                });\n            },\n            _annotateWithButtonId: function(file, associatedInput) {\n                if (qq.isFile(file)) {\n                    file.qqButtonId = this._getButtonId(associatedInput);\n                }\n            },\n            _batchError: function(message) {\n                this._options.callbacks.onError(null, null, message, undefined);\n            },\n            _createDeleteHandler: function() {\n                var self = this;\n                return new qq.DeleteFileAjaxRequester({\n                    method: this._options.deleteFile.method.toUpperCase(),\n                    maxConnections: this._options.maxConnections,\n                    uuidParamName: this._options.request.uuidName,\n                    customHeaders: this._deleteFileCustomHeadersStore,\n                    paramsStore: this._deleteFileParamsStore,\n                    endpointStore: this._deleteFileEndpointStore,\n                    cors: this._options.cors,\n                    log: qq.bind(self.log, self),\n                    onDelete: function(id) {\n                        self._onDelete(id);\n                        self._options.callbacks.onDelete(id);\n                    },\n                    onDeleteComplete: function(id, xhrOrXdr, isError) {\n                        self._onDeleteComplete(id, xhrOrXdr, isError);\n                        self._options.callbacks.onDeleteComplete(id, xhrOrXdr, isError);\n                    }\n                });\n            },\n            _createPasteHandler: function() {\n                var self = this;\n                return new qq.PasteSupport({\n                    targetElement: this._options.paste.targetElement,\n                    callbacks: {\n                        log: qq.bind(self.log, self),\n                        pasteReceived: function(blob) {\n                            self._handleCheckedCallback({\n                                name: \"onPasteReceived\",\n                                callback: qq.bind(self._options.callbacks.onPasteReceived, self, blob),\n                                onSuccess: qq.bind(self._handlePasteSuccess, self, blob),\n                                identifier: \"pasted image\"\n                            });\n                        }\n                    }\n                });\n            },\n            _createStore: function(initialValue, _readOnlyValues_) {\n                var store = {}, catchall = initialValue, perIdReadOnlyValues = {}, readOnlyValues = _readOnlyValues_, copy = function(orig) {\n                    if (qq.isObject(orig)) {\n                        return qq.extend({}, orig);\n                    }\n                    return orig;\n                }, getReadOnlyValues = function() {\n                    if (qq.isFunction(readOnlyValues)) {\n                        return readOnlyValues();\n                    }\n                    return readOnlyValues;\n                }, includeReadOnlyValues = function(id, existing) {\n                    if (readOnlyValues && qq.isObject(existing)) {\n                        qq.extend(existing, getReadOnlyValues());\n                    }\n                    if (perIdReadOnlyValues[id]) {\n                        qq.extend(existing, perIdReadOnlyValues[id]);\n                    }\n                };\n                return {\n                    set: function(val, id) {\n                        if (id == null) {\n                            store = {};\n                            catchall = copy(val);\n                        } else {\n                            store[id] = copy(val);\n                        }\n                    },\n                    get: function(id) {\n                        var values;\n                        if (id != null && store[id]) {\n                            values = store[id];\n                        } else {\n                            values = copy(catchall);\n                        }\n                        includeReadOnlyValues(id, values);\n                        return copy(values);\n                    },\n                    addReadOnly: function(id, values) {\n                        if (qq.isObject(store)) {\n                            if (id === null) {\n                                if (qq.isFunction(values)) {\n                                    readOnlyValues = values;\n                                } else {\n                                    readOnlyValues = readOnlyValues || {};\n                                    qq.extend(readOnlyValues, values);\n                                }\n                            } else {\n                                perIdReadOnlyValues[id] = perIdReadOnlyValues[id] || {};\n                                qq.extend(perIdReadOnlyValues[id], values);\n                            }\n                        }\n                    },\n                    remove: function(fileId) {\n                        return delete store[fileId];\n                    },\n                    reset: function() {\n                        store = {};\n                        perIdReadOnlyValues = {};\n                        catchall = initialValue;\n                    }\n                };\n            },\n            _createUploadDataTracker: function() {\n                var self = this;\n                return new qq.UploadData({\n                    getName: function(id) {\n                        return self.getName(id);\n                    },\n                    getUuid: function(id) {\n                        return self.getUuid(id);\n                    },\n                    getSize: function(id) {\n                        return self.getSize(id);\n                    },\n                    onStatusChange: function(id, oldStatus, newStatus) {\n                        self._onUploadStatusChange(id, oldStatus, newStatus);\n                        self._options.callbacks.onStatusChange(id, oldStatus, newStatus);\n                        self._maybeAllComplete(id, newStatus);\n                        if (self._totalProgress) {\n                            setTimeout(function() {\n                                self._totalProgress.onStatusChange(id, oldStatus, newStatus);\n                            }, 0);\n                        }\n                    }\n                });\n            },\n            _createUploadButton: function(spec) {\n                var self = this, acceptFiles = spec.accept || this._options.validation.acceptFiles, allowedExtensions = spec.allowedExtensions || this._options.validation.allowedExtensions, button;\n                function allowMultiple() {\n                    if (qq.supportedFeatures.ajaxUploading) {\n                        if (self._options.workarounds.iosEmptyVideos && qq.ios() && !qq.ios6() && self._isAllowedExtension(allowedExtensions, \".mov\")) {\n                            return false;\n                        }\n                        if (spec.multiple === undefined) {\n                            return self._options.multiple;\n                        }\n                        return spec.multiple;\n                    }\n                    return false;\n                }\n                button = new qq.UploadButton({\n                    acceptFiles: acceptFiles,\n                    element: spec.element,\n                    focusClass: this._options.classes.buttonFocus,\n                    folders: spec.folders,\n                    hoverClass: this._options.classes.buttonHover,\n                    ios8BrowserCrashWorkaround: this._options.workarounds.ios8BrowserCrash,\n                    multiple: allowMultiple(),\n                    name: this._options.request.inputName,\n                    onChange: function(input) {\n                        self._onInputChange(input);\n                    },\n                    title: spec.title == null ? this._options.text.fileInputTitle : spec.title\n                });\n                this._disposeSupport.addDisposer(function() {\n                    button.dispose();\n                });\n                self._buttons.push(button);\n                return button;\n            },\n            _createUploadHandler: function(additionalOptions, namespace) {\n                var self = this, lastOnProgress = {}, options = {\n                    debug: this._options.debug,\n                    maxConnections: this._options.maxConnections,\n                    cors: this._options.cors,\n                    paramsStore: this._paramsStore,\n                    endpointStore: this._endpointStore,\n                    chunking: this._options.chunking,\n                    resume: this._options.resume,\n                    blobs: this._options.blobs,\n                    log: qq.bind(self.log, self),\n                    preventRetryParam: this._options.retry.preventRetryResponseProperty,\n                    onProgress: function(id, name, loaded, total) {\n                        if (loaded < 0 || total < 0) {\n                            return;\n                        }\n                        if (lastOnProgress[id]) {\n                            if (lastOnProgress[id].loaded !== loaded || lastOnProgress[id].total !== total) {\n                                self._onProgress(id, name, loaded, total);\n                                self._options.callbacks.onProgress(id, name, loaded, total);\n                            }\n                        } else {\n                            self._onProgress(id, name, loaded, total);\n                            self._options.callbacks.onProgress(id, name, loaded, total);\n                        }\n                        lastOnProgress[id] = {\n                            loaded: loaded,\n                            total: total\n                        };\n                    },\n                    onComplete: function(id, name, result, xhr) {\n                        delete lastOnProgress[id];\n                        var status = self.getUploads({\n                            id: id\n                        }).status, retVal;\n                        if (status === qq.status.UPLOAD_SUCCESSFUL || status === qq.status.UPLOAD_FAILED) {\n                            return;\n                        }\n                        retVal = self._onComplete(id, name, result, xhr);\n                        if (retVal instanceof qq.Promise) {\n                            retVal.done(function() {\n                                self._options.callbacks.onComplete(id, name, result, xhr);\n                            });\n                        } else {\n                            self._options.callbacks.onComplete(id, name, result, xhr);\n                        }\n                    },\n                    onCancel: function(id, name, cancelFinalizationEffort) {\n                        var promise = new qq.Promise();\n                        self._handleCheckedCallback({\n                            name: \"onCancel\",\n                            callback: qq.bind(self._options.callbacks.onCancel, self, id, name),\n                            onFailure: promise.failure,\n                            onSuccess: function() {\n                                cancelFinalizationEffort.then(function() {\n                                    self._onCancel(id, name);\n                                });\n                                promise.success();\n                            },\n                            identifier: id\n                        });\n                        return promise;\n                    },\n                    onUploadPrep: qq.bind(this._onUploadPrep, this),\n                    onUpload: function(id, name) {\n                        self._onUpload(id, name);\n                        var onUploadResult = self._options.callbacks.onUpload(id, name);\n                        if (qq.isGenericPromise(onUploadResult)) {\n                            self.log(qq.format(\"onUpload for {} returned a Promise - waiting for resolution.\", id));\n                            return onUploadResult;\n                        }\n                        return new qq.Promise().success();\n                    },\n                    onUploadChunk: function(id, name, chunkData) {\n                        self._onUploadChunk(id, chunkData);\n                        var onUploadChunkResult = self._options.callbacks.onUploadChunk(id, name, chunkData);\n                        if (qq.isGenericPromise(onUploadChunkResult)) {\n                            self.log(qq.format(\"onUploadChunk for {}.{} returned a Promise - waiting for resolution.\", id, chunkData.partIndex));\n                            return onUploadChunkResult;\n                        }\n                        return new qq.Promise().success();\n                    },\n                    onUploadChunkSuccess: function(id, chunkData, result, xhr) {\n                        self._onUploadChunkSuccess(id, chunkData);\n                        self._options.callbacks.onUploadChunkSuccess.apply(self, arguments);\n                    },\n                    onResume: function(id, name, chunkData, customResumeData) {\n                        return self._options.callbacks.onResume(id, name, chunkData, customResumeData);\n                    },\n                    onAutoRetry: function(id, name, responseJSON, xhr) {\n                        return self._onAutoRetry.apply(self, arguments);\n                    },\n                    onUuidChanged: function(id, newUuid) {\n                        self.log(\"Server requested UUID change from '\" + self.getUuid(id) + \"' to '\" + newUuid + \"'\");\n                        self.setUuid(id, newUuid);\n                    },\n                    getName: qq.bind(self.getName, self),\n                    getUuid: qq.bind(self.getUuid, self),\n                    getSize: qq.bind(self.getSize, self),\n                    setSize: qq.bind(self._setSize, self),\n                    getDataByUuid: function(uuid) {\n                        return self.getUploads({\n                            uuid: uuid\n                        });\n                    },\n                    isQueued: function(id) {\n                        var status = self.getUploads({\n                            id: id\n                        }).status;\n                        return status === qq.status.QUEUED || status === qq.status.SUBMITTED || status === qq.status.UPLOAD_RETRYING || status === qq.status.PAUSED;\n                    },\n                    getIdsInProxyGroup: self._uploadData.getIdsInProxyGroup,\n                    getIdsInBatch: self._uploadData.getIdsInBatch,\n                    isInProgress: function(id) {\n                        return self.getUploads({\n                            id: id\n                        }).status === qq.status.UPLOADING;\n                    },\n                    getCustomResumeData: qq.bind(self._getCustomResumeData, self),\n                    setStatus: function(id, status) {\n                        self._uploadData.setStatus(id, status);\n                    }\n                };\n                qq.each(this._options.request, function(prop, val) {\n                    options[prop] = val;\n                });\n                options.customHeaders = this._customHeadersStore;\n                if (additionalOptions) {\n                    qq.each(additionalOptions, function(key, val) {\n                        options[key] = val;\n                    });\n                }\n                return new qq.UploadHandlerController(options, namespace);\n            },\n            _fileOrBlobRejected: function(id) {\n                this._netUploadedOrQueued--;\n                this._uploadData.setStatus(id, qq.status.REJECTED);\n            },\n            _formatSize: function(bytes) {\n                if (bytes === 0) {\n                    return bytes + this._options.text.sizeSymbols[0];\n                }\n                var i = -1;\n                do {\n                    bytes = bytes / 1e3;\n                    i++;\n                } while (bytes > 999);\n                return Math.max(bytes, .1).toFixed(1) + this._options.text.sizeSymbols[i];\n            },\n            _generateExtraButtonSpecs: function() {\n                var self = this;\n                this._extraButtonSpecs = {};\n                qq.each(this._options.extraButtons, function(idx, extraButtonOptionEntry) {\n                    var multiple = extraButtonOptionEntry.multiple, validation = qq.extend({}, self._options.validation, true), extraButtonSpec = qq.extend({}, extraButtonOptionEntry);\n                    if (multiple === undefined) {\n                        multiple = self._options.multiple;\n                    }\n                    if (extraButtonSpec.validation) {\n                        qq.extend(validation, extraButtonOptionEntry.validation, true);\n                    }\n                    qq.extend(extraButtonSpec, {\n                        multiple: multiple,\n                        validation: validation\n                    }, true);\n                    self._initExtraButton(extraButtonSpec);\n                });\n            },\n            _getButton: function(buttonId) {\n                var extraButtonsSpec = this._extraButtonSpecs[buttonId];\n                if (extraButtonsSpec) {\n                    return extraButtonsSpec.element;\n                } else if (buttonId === this._defaultButtonId) {\n                    return this._options.button;\n                }\n            },\n            _getButtonId: function(buttonOrFileInputOrFile) {\n                var inputs, fileInput, fileBlobOrInput = buttonOrFileInputOrFile;\n                if (fileBlobOrInput instanceof qq.BlobProxy) {\n                    fileBlobOrInput = fileBlobOrInput.referenceBlob;\n                }\n                if (fileBlobOrInput && !qq.isBlob(fileBlobOrInput)) {\n                    if (qq.isFile(fileBlobOrInput)) {\n                        return fileBlobOrInput.qqButtonId;\n                    } else if (fileBlobOrInput.tagName.toLowerCase() === \"input\" && fileBlobOrInput.type.toLowerCase() === \"file\") {\n                        return fileBlobOrInput.getAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME);\n                    }\n                    inputs = fileBlobOrInput.getElementsByTagName(\"input\");\n                    qq.each(inputs, function(idx, input) {\n                        if (input.getAttribute(\"type\") === \"file\") {\n                            fileInput = input;\n                            return false;\n                        }\n                    });\n                    if (fileInput) {\n                        return fileInput.getAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME);\n                    }\n                }\n            },\n            _getCustomResumeData: function(fileId) {\n                return this._customResumeDataStore.get(fileId);\n            },\n            _getNotFinished: function() {\n                return this._uploadData.retrieve({\n                    status: [ qq.status.UPLOADING, qq.status.UPLOAD_RETRYING, qq.status.QUEUED, qq.status.SUBMITTING, qq.status.SUBMITTED, qq.status.PAUSED ]\n                }).length;\n            },\n            _getValidationBase: function(buttonId) {\n                var extraButtonSpec = this._extraButtonSpecs[buttonId];\n                return extraButtonSpec ? extraButtonSpec.validation : this._options.validation;\n            },\n            _getValidationDescriptor: function(fileWrapper) {\n                if (fileWrapper.file instanceof qq.BlobProxy) {\n                    return {\n                        name: qq.getFilename(fileWrapper.file.referenceBlob),\n                        size: fileWrapper.file.referenceBlob.size\n                    };\n                }\n                return {\n                    name: this.getUploads({\n                        id: fileWrapper.id\n                    }).name,\n                    size: this.getUploads({\n                        id: fileWrapper.id\n                    }).size\n                };\n            },\n            _getValidationDescriptors: function(fileWrappers) {\n                var self = this, fileDescriptors = [];\n                qq.each(fileWrappers, function(idx, fileWrapper) {\n                    fileDescriptors.push(self._getValidationDescriptor(fileWrapper));\n                });\n                return fileDescriptors;\n            },\n            _handleCameraAccess: function() {\n                if (this._options.camera.ios && qq.ios()) {\n                    var acceptIosCamera = \"image/*;capture=camera\", button = this._options.camera.button, buttonId = button ? this._getButtonId(button) : this._defaultButtonId, optionRoot = this._options;\n                    if (buttonId && buttonId !== this._defaultButtonId) {\n                        optionRoot = this._extraButtonSpecs[buttonId];\n                    }\n                    optionRoot.multiple = false;\n                    if (optionRoot.validation.acceptFiles === null) {\n                        optionRoot.validation.acceptFiles = acceptIosCamera;\n                    } else {\n                        optionRoot.validation.acceptFiles += \",\" + acceptIosCamera;\n                    }\n                    qq.each(this._buttons, function(idx, button) {\n                        if (button.getButtonId() === buttonId) {\n                            button.setMultiple(optionRoot.multiple);\n                            button.setAcceptFiles(optionRoot.acceptFiles);\n                            return false;\n                        }\n                    });\n                }\n            },\n            _handleCheckedCallback: function(details) {\n                var self = this, callbackRetVal = details.callback();\n                if (qq.isGenericPromise(callbackRetVal)) {\n                    this.log(details.name + \" - waiting for \" + details.name + \" promise to be fulfilled for \" + details.identifier);\n                    return callbackRetVal.then(function(successParam) {\n                        self.log(details.name + \" promise success for \" + details.identifier);\n                        details.onSuccess(successParam);\n                    }, function() {\n                        if (details.onFailure) {\n                            self.log(details.name + \" promise failure for \" + details.identifier);\n                            details.onFailure();\n                        } else {\n                            self.log(details.name + \" promise failure for \" + details.identifier);\n                        }\n                    });\n                }\n                if (callbackRetVal !== false) {\n                    details.onSuccess(callbackRetVal);\n                } else {\n                    if (details.onFailure) {\n                        this.log(details.name + \" - return value was 'false' for \" + details.identifier + \".  Invoking failure callback.\");\n                        details.onFailure();\n                    } else {\n                        this.log(details.name + \" - return value was 'false' for \" + details.identifier + \".  Will not proceed.\");\n                    }\n                }\n                return callbackRetVal;\n            },\n            _handleNewFile: function(file, batchId, newFileWrapperList) {\n                var self = this, uuid = qq.getUniqueId(), size = -1, name = qq.getFilename(file), actualFile = file.blob || file, handler = this._customNewFileHandler ? this._customNewFileHandler : qq.bind(self._handleNewFileGeneric, self);\n                if (!qq.isInput(actualFile) && actualFile.size >= 0) {\n                    size = actualFile.size;\n                }\n                handler(actualFile, name, uuid, size, newFileWrapperList, batchId, this._options.request.uuidName, {\n                    uploadData: self._uploadData,\n                    paramsStore: self._paramsStore,\n                    addFileToHandler: function(id, file) {\n                        self._handler.add(id, file);\n                        self._netUploadedOrQueued++;\n                        self._trackButton(id);\n                    }\n                });\n            },\n            _handleNewFileGeneric: function(file, name, uuid, size, fileList, batchId) {\n                var id = this._uploadData.addFile({\n                    uuid: uuid,\n                    name: name,\n                    size: size,\n                    batchId: batchId,\n                    file: file\n                });\n                this._handler.add(id, file);\n                this._trackButton(id);\n                this._netUploadedOrQueued++;\n                fileList.push({\n                    id: id,\n                    file: file\n                });\n            },\n            _handlePasteSuccess: function(blob, extSuppliedName) {\n                var extension = blob.type.split(\"/\")[1], name = extSuppliedName;\n                if (name == null) {\n                    name = this._options.paste.defaultName;\n                }\n                name += \".\" + extension;\n                this.addFiles({\n                    name: name,\n                    blob: blob\n                });\n            },\n            _handleDeleteSuccess: function(id) {\n                if (this.getUploads({\n                    id: id\n                }).status !== qq.status.DELETED) {\n                    var name = this.getName(id);\n                    this._netUploadedOrQueued--;\n                    this._netUploaded--;\n                    this._handler.expunge(id);\n                    this._uploadData.setStatus(id, qq.status.DELETED);\n                    this.log(\"Delete request for '\" + name + \"' has succeeded.\");\n                }\n            },\n            _handleDeleteFailed: function(id, xhrOrXdr) {\n                var name = this.getName(id);\n                this._uploadData.setStatus(id, qq.status.DELETE_FAILED);\n                this.log(\"Delete request for '\" + name + \"' has failed.\", \"error\");\n                if (!xhrOrXdr || xhrOrXdr.withCredentials === undefined) {\n                    this._options.callbacks.onError(id, name, \"Delete request failed\", xhrOrXdr);\n                } else {\n                    this._options.callbacks.onError(id, name, \"Delete request failed with response code \" + xhrOrXdr.status, xhrOrXdr);\n                }\n            },\n            _initExtraButton: function(spec) {\n                var button = this._createUploadButton({\n                    accept: spec.validation.acceptFiles,\n                    allowedExtensions: spec.validation.allowedExtensions,\n                    element: spec.element,\n                    folders: spec.folders,\n                    multiple: spec.multiple,\n                    title: spec.fileInputTitle\n                });\n                this._extraButtonSpecs[button.getButtonId()] = spec;\n            },\n            _initFormSupportAndParams: function() {\n                this._formSupport = qq.FormSupport && new qq.FormSupport(this._options.form, qq.bind(this.uploadStoredFiles, this), qq.bind(this.log, this));\n                if (this._formSupport && this._formSupport.attachedToForm) {\n                    this._paramsStore = this._createStore(this._options.request.params, this._formSupport.getFormInputsAsObject);\n                    this._options.autoUpload = this._formSupport.newAutoUpload;\n                    if (this._formSupport.newEndpoint) {\n                        this._options.request.endpoint = this._formSupport.newEndpoint;\n                    }\n                } else {\n                    this._paramsStore = this._createStore(this._options.request.params);\n                }\n            },\n            _isDeletePossible: function() {\n                if (!qq.DeleteFileAjaxRequester || !this._options.deleteFile.enabled) {\n                    return false;\n                }\n                if (this._options.cors.expected) {\n                    if (qq.supportedFeatures.deleteFileCorsXhr) {\n                        return true;\n                    }\n                    if (qq.supportedFeatures.deleteFileCorsXdr && this._options.cors.allowXdr) {\n                        return true;\n                    }\n                    return false;\n                }\n                return true;\n            },\n            _isAllowedExtension: function(allowed, fileName) {\n                var valid = false;\n                if (!allowed.length) {\n                    return true;\n                }\n                qq.each(allowed, function(idx, allowedExt) {\n                    if (qq.isString(allowedExt)) {\n                        var extRegex = new RegExp(\"\\\\.\" + allowedExt + \"$\", \"i\");\n                        if (fileName.match(extRegex) != null) {\n                            valid = true;\n                            return false;\n                        }\n                    }\n                });\n                return valid;\n            },\n            _itemError: function(code, maybeNameOrNames, item) {\n                var message = this._options.messages[code], allowedExtensions = [], names = [].concat(maybeNameOrNames), name = names[0], buttonId = this._getButtonId(item), validationBase = this._getValidationBase(buttonId), extensionsForMessage, placeholderMatch;\n                function r(name, replacement) {\n                    message = message.replace(name, replacement);\n                }\n                qq.each(validationBase.allowedExtensions, function(idx, allowedExtension) {\n                    if (qq.isString(allowedExtension)) {\n                        allowedExtensions.push(allowedExtension);\n                    }\n                });\n                extensionsForMessage = allowedExtensions.join(\", \").toLowerCase();\n                r(\"{file}\", this._options.formatFileName(name));\n                r(\"{extensions}\", extensionsForMessage);\n                r(\"{sizeLimit}\", this._formatSize(validationBase.sizeLimit));\n                r(\"{minSizeLimit}\", this._formatSize(validationBase.minSizeLimit));\n                placeholderMatch = message.match(/(\\{\\w+\\})/g);\n                if (placeholderMatch !== null) {\n                    qq.each(placeholderMatch, function(idx, placeholder) {\n                        r(placeholder, names[idx]);\n                    });\n                }\n                this._options.callbacks.onError(null, name, message, undefined);\n                return message;\n            },\n            _manualRetry: function(id, callback) {\n                if (this._onBeforeManualRetry(id)) {\n                    this._netUploadedOrQueued++;\n                    this._uploadData.setStatus(id, qq.status.UPLOAD_RETRYING);\n                    if (callback) {\n                        callback(id);\n                    } else {\n                        this._handler.retry(id);\n                    }\n                    return true;\n                }\n            },\n            _maybeAllComplete: function(id, status) {\n                var self = this, notFinished = this._getNotFinished();\n                if (status === qq.status.UPLOAD_SUCCESSFUL) {\n                    this._succeededSinceLastAllComplete.push(id);\n                } else if (status === qq.status.UPLOAD_FAILED) {\n                    this._failedSinceLastAllComplete.push(id);\n                }\n                if (notFinished === 0 && (this._succeededSinceLastAllComplete.length || this._failedSinceLastAllComplete.length)) {\n                    setTimeout(function() {\n                        self._onAllComplete(self._succeededSinceLastAllComplete, self._failedSinceLastAllComplete);\n                    }, 0);\n                }\n            },\n            _maybeHandleIos8SafariWorkaround: function() {\n                var self = this;\n                if (this._options.workarounds.ios8SafariUploads && qq.ios800() && qq.iosSafari()) {\n                    setTimeout(function() {\n                        window.alert(self._options.messages.unsupportedBrowserIos8Safari);\n                    }, 0);\n                    throw new qq.Error(this._options.messages.unsupportedBrowserIos8Safari);\n                }\n            },\n            _maybeParseAndSendUploadError: function(id, name, response, xhr) {\n                if (!response.success) {\n                    if (xhr && xhr.status !== 200 && !response.error) {\n                        this._options.callbacks.onError(id, name, \"XHR returned response code \" + xhr.status, xhr);\n                    } else {\n                        var errorReason = response.error ? response.error : this._options.text.defaultResponseError;\n                        this._options.callbacks.onError(id, name, errorReason, xhr);\n                    }\n                }\n            },\n            _maybeProcessNextItemAfterOnValidateCallback: function(validItem, items, index, params, endpoint) {\n                var self = this;\n                if (items.length > index) {\n                    if (validItem || !this._options.validation.stopOnFirstInvalidFile) {\n                        setTimeout(function() {\n                            var validationDescriptor = self._getValidationDescriptor(items[index]), buttonId = self._getButtonId(items[index].file), button = self._getButton(buttonId);\n                            self._handleCheckedCallback({\n                                name: \"onValidate\",\n                                callback: qq.bind(self._options.callbacks.onValidate, self, validationDescriptor, button),\n                                onSuccess: qq.bind(self._onValidateCallbackSuccess, self, items, index, params, endpoint),\n                                onFailure: qq.bind(self._onValidateCallbackFailure, self, items, index, params, endpoint),\n                                identifier: \"Item '\" + validationDescriptor.name + \"', size: \" + validationDescriptor.size\n                            });\n                        }, 0);\n                    } else if (!validItem) {\n                        for (;index < items.length; index++) {\n                            self._fileOrBlobRejected(items[index].id);\n                        }\n                    }\n                }\n            },\n            _onAllComplete: function(successful, failed) {\n                this._totalProgress && this._totalProgress.onAllComplete(successful, failed, this._preventRetries);\n                this._options.callbacks.onAllComplete(qq.extend([], successful), qq.extend([], failed));\n                this._succeededSinceLastAllComplete = [];\n                this._failedSinceLastAllComplete = [];\n            },\n            _onAutoRetry: function(id, name, responseJSON, xhr, callback) {\n                var self = this;\n                self._preventRetries[id] = responseJSON[self._options.retry.preventRetryResponseProperty];\n                if (self._shouldAutoRetry(id)) {\n                    var retryWaitPeriod = self._options.retry.autoAttemptDelay * 1e3;\n                    self._maybeParseAndSendUploadError.apply(self, arguments);\n                    self._options.callbacks.onAutoRetry(id, name, self._autoRetries[id]);\n                    self._onBeforeAutoRetry(id, name);\n                    self._uploadData.setStatus(id, qq.status.UPLOAD_RETRYING);\n                    self._retryTimeouts[id] = setTimeout(function() {\n                        self.log(\"Starting retry for \" + name + \"...\");\n                        if (callback) {\n                            callback(id);\n                        } else {\n                            self._handler.retry(id);\n                        }\n                    }, retryWaitPeriod);\n                    return true;\n                }\n            },\n            _onBeforeAutoRetry: function(id, name) {\n                this.log(\"Waiting \" + this._options.retry.autoAttemptDelay + \" seconds before retrying \" + name + \"...\");\n            },\n            _onBeforeManualRetry: function(id) {\n                var itemLimit = this._currentItemLimit, fileName;\n                if (this._preventRetries[id]) {\n                    this.log(\"Retries are forbidden for id \" + id, \"warn\");\n                    return false;\n                } else if (this._handler.isValid(id)) {\n                    fileName = this.getName(id);\n                    if (this._options.callbacks.onManualRetry(id, fileName) === false) {\n                        return false;\n                    }\n                    if (itemLimit > 0 && this._netUploadedOrQueued + 1 > itemLimit) {\n                        this._itemError(\"retryFailTooManyItems\");\n                        return false;\n                    }\n                    this.log(\"Retrying upload for '\" + fileName + \"' (id: \" + id + \")...\");\n                    return true;\n                } else {\n                    this.log(\"'\" + id + \"' is not a valid file ID\", \"error\");\n                    return false;\n                }\n            },\n            _onCancel: function(id, name) {\n                this._netUploadedOrQueued--;\n                clearTimeout(this._retryTimeouts[id]);\n                var storedItemIndex = qq.indexOf(this._storedIds, id);\n                if (!this._options.autoUpload && storedItemIndex >= 0) {\n                    this._storedIds.splice(storedItemIndex, 1);\n                }\n                this._uploadData.setStatus(id, qq.status.CANCELED);\n            },\n            _onComplete: function(id, name, result, xhr) {\n                if (!result.success) {\n                    this._netUploadedOrQueued--;\n                    this._uploadData.setStatus(id, qq.status.UPLOAD_FAILED);\n                    if (result[this._options.retry.preventRetryResponseProperty] === true) {\n                        this._preventRetries[id] = true;\n                    }\n                } else {\n                    if (result.thumbnailUrl) {\n                        this._thumbnailUrls[id] = result.thumbnailUrl;\n                    }\n                    this._netUploaded++;\n                    this._uploadData.setStatus(id, qq.status.UPLOAD_SUCCESSFUL);\n                }\n                this._maybeParseAndSendUploadError(id, name, result, xhr);\n                return result.success ? true : false;\n            },\n            _onDelete: function(id) {\n                this._uploadData.setStatus(id, qq.status.DELETING);\n            },\n            _onDeleteComplete: function(id, xhrOrXdr, isError) {\n                var name = this.getName(id);\n                if (isError) {\n                    this._handleDeleteFailed(id, xhrOrXdr);\n                } else {\n                    this._handleDeleteSuccess(id);\n                }\n            },\n            _onInputChange: function(input) {\n                var fileIndex;\n                if (qq.supportedFeatures.ajaxUploading) {\n                    for (fileIndex = 0; fileIndex < input.files.length; fileIndex++) {\n                        this._annotateWithButtonId(input.files[fileIndex], input);\n                    }\n                    this.addFiles(input.files);\n                } else if (input.value.length > 0) {\n                    this.addFiles(input);\n                }\n                qq.each(this._buttons, function(idx, button) {\n                    button.reset();\n                });\n            },\n            _onProgress: function(id, name, loaded, total) {\n                this._totalProgress && this._totalProgress.onIndividualProgress(id, loaded, total);\n            },\n            _onSubmit: function(id, name) {},\n            _onSubmitCallbackSuccess: function(id, name) {\n                this._onSubmit.apply(this, arguments);\n                this._uploadData.setStatus(id, qq.status.SUBMITTED);\n                this._onSubmitted.apply(this, arguments);\n                if (this._options.autoUpload) {\n                    this._options.callbacks.onSubmitted.apply(this, arguments);\n                    this._uploadFile(id);\n                } else {\n                    this._storeForLater(id);\n                    this._options.callbacks.onSubmitted.apply(this, arguments);\n                }\n            },\n            _onSubmitDelete: function(id, onSuccessCallback, additionalMandatedParams) {\n                var uuid = this.getUuid(id), adjustedOnSuccessCallback;\n                if (onSuccessCallback) {\n                    adjustedOnSuccessCallback = qq.bind(onSuccessCallback, this, id, uuid, additionalMandatedParams);\n                }\n                if (this._isDeletePossible()) {\n                    this._handleCheckedCallback({\n                        name: \"onSubmitDelete\",\n                        callback: qq.bind(this._options.callbacks.onSubmitDelete, this, id),\n                        onSuccess: adjustedOnSuccessCallback || qq.bind(this._deleteHandler.sendDelete, this, id, uuid, additionalMandatedParams),\n                        identifier: id\n                    });\n                    return true;\n                } else {\n                    this.log(\"Delete request ignored for ID \" + id + \", delete feature is disabled or request not possible \" + \"due to CORS on a user agent that does not support pre-flighting.\", \"warn\");\n                    return false;\n                }\n            },\n            _onSubmitted: function(id) {},\n            _onTotalProgress: function(loaded, total) {\n                this._options.callbacks.onTotalProgress(loaded, total);\n            },\n            _onUploadPrep: function(id) {},\n            _onUpload: function(id, name) {\n                this._uploadData.setStatus(id, qq.status.UPLOADING);\n            },\n            _onUploadChunk: function(id, chunkData) {},\n            _onUploadChunkSuccess: function(id, chunkData) {\n                if (!this._preventRetries[id] && this._options.retry.enableAuto) {\n                    this._autoRetries[id] = 0;\n                }\n            },\n            _onUploadStatusChange: function(id, oldStatus, newStatus) {\n                if (newStatus === qq.status.PAUSED) {\n                    clearTimeout(this._retryTimeouts[id]);\n                }\n            },\n            _onValidateBatchCallbackFailure: function(fileWrappers) {\n                var self = this;\n                qq.each(fileWrappers, function(idx, fileWrapper) {\n                    self._fileOrBlobRejected(fileWrapper.id);\n                });\n            },\n            _onValidateBatchCallbackSuccess: function(validationDescriptors, items, params, endpoint, button) {\n                var errorMessage, itemLimit = this._currentItemLimit, proposedNetFilesUploadedOrQueued = this._netUploadedOrQueued;\n                if (itemLimit === 0 || proposedNetFilesUploadedOrQueued <= itemLimit) {\n                    if (items.length > 0) {\n                        this._handleCheckedCallback({\n                            name: \"onValidate\",\n                            callback: qq.bind(this._options.callbacks.onValidate, this, validationDescriptors[0], button),\n                            onSuccess: qq.bind(this._onValidateCallbackSuccess, this, items, 0, params, endpoint),\n                            onFailure: qq.bind(this._onValidateCallbackFailure, this, items, 0, params, endpoint),\n                            identifier: \"Item '\" + items[0].file.name + \"', size: \" + items[0].file.size\n                        });\n                    } else {\n                        this._itemError(\"noFilesError\");\n                    }\n                } else {\n                    this._onValidateBatchCallbackFailure(items);\n                    errorMessage = this._options.messages.tooManyItemsError.replace(/\\{netItems\\}/g, proposedNetFilesUploadedOrQueued).replace(/\\{itemLimit\\}/g, itemLimit);\n                    this._batchError(errorMessage);\n                }\n            },\n            _onValidateCallbackFailure: function(items, index, params, endpoint) {\n                var nextIndex = index + 1;\n                this._fileOrBlobRejected(items[index].id, items[index].file.name);\n                this._maybeProcessNextItemAfterOnValidateCallback(false, items, nextIndex, params, endpoint);\n            },\n            _onValidateCallbackSuccess: function(items, index, params, endpoint) {\n                var self = this, nextIndex = index + 1, validationDescriptor = this._getValidationDescriptor(items[index]);\n                this._validateFileOrBlobData(items[index], validationDescriptor).then(function() {\n                    self._upload(items[index].id, params, endpoint);\n                    self._maybeProcessNextItemAfterOnValidateCallback(true, items, nextIndex, params, endpoint);\n                }, function() {\n                    self._maybeProcessNextItemAfterOnValidateCallback(false, items, nextIndex, params, endpoint);\n                });\n            },\n            _prepareItemsForUpload: function(items, params, endpoint) {\n                if (items.length === 0) {\n                    this._itemError(\"noFilesError\");\n                    return;\n                }\n                var validationDescriptors = this._getValidationDescriptors(items), buttonId = this._getButtonId(items[0].file), button = this._getButton(buttonId);\n                this._handleCheckedCallback({\n                    name: \"onValidateBatch\",\n                    callback: qq.bind(this._options.callbacks.onValidateBatch, this, validationDescriptors, button),\n                    onSuccess: qq.bind(this._onValidateBatchCallbackSuccess, this, validationDescriptors, items, params, endpoint, button),\n                    onFailure: qq.bind(this._onValidateBatchCallbackFailure, this, items),\n                    identifier: \"batch validation\"\n                });\n            },\n            _preventLeaveInProgress: function() {\n                var self = this;\n                this._disposeSupport.attach(window, \"beforeunload\", function(e) {\n                    if (self.getInProgress()) {\n                        e = e || window.event;\n                        e.returnValue = self._options.messages.onLeave;\n                        return self._options.messages.onLeave;\n                    }\n                });\n            },\n            _refreshSessionData: function() {\n                var self = this, options = this._options.session;\n                if (qq.Session && this._options.session.endpoint != null) {\n                    if (!this._session) {\n                        qq.extend(options, {\n                            cors: this._options.cors\n                        });\n                        options.log = qq.bind(this.log, this);\n                        options.addFileRecord = qq.bind(this._addCannedFile, this);\n                        this._session = new qq.Session(options);\n                    }\n                    setTimeout(function() {\n                        self._session.refresh().then(function(response, xhrOrXdr) {\n                            self._sessionRequestComplete();\n                            self._options.callbacks.onSessionRequestComplete(response, true, xhrOrXdr);\n                        }, function(response, xhrOrXdr) {\n                            self._options.callbacks.onSessionRequestComplete(response, false, xhrOrXdr);\n                        });\n                    }, 0);\n                }\n            },\n            _sessionRequestComplete: function() {},\n            _setSize: function(id, newSize) {\n                this._uploadData.updateSize(id, newSize);\n                this._totalProgress && this._totalProgress.onNewSize(id);\n            },\n            _shouldAutoRetry: function(id) {\n                var uploadData = this._uploadData.retrieve({\n                    id: id\n                });\n                if (!this._preventRetries[id] && this._options.retry.enableAuto && uploadData.status !== qq.status.PAUSED) {\n                    if (this._autoRetries[id] === undefined) {\n                        this._autoRetries[id] = 0;\n                    }\n                    if (this._autoRetries[id] < this._options.retry.maxAutoAttempts) {\n                        this._autoRetries[id] += 1;\n                        return true;\n                    }\n                }\n                return false;\n            },\n            _storeForLater: function(id) {\n                this._storedIds.push(id);\n            },\n            _trackButton: function(id) {\n                var buttonId;\n                if (qq.supportedFeatures.ajaxUploading) {\n                    buttonId = this._handler.getFile(id).qqButtonId;\n                } else {\n                    buttonId = this._getButtonId(this._handler.getInput(id));\n                }\n                if (buttonId) {\n                    this._buttonIdsForFileIds[id] = buttonId;\n                }\n            },\n            _updateFormSupportAndParams: function(formElementOrId) {\n                this._options.form.element = formElementOrId;\n                this._formSupport = qq.FormSupport && new qq.FormSupport(this._options.form, qq.bind(this.uploadStoredFiles, this), qq.bind(this.log, this));\n                if (this._formSupport && this._formSupport.attachedToForm) {\n                    this._paramsStore.addReadOnly(null, this._formSupport.getFormInputsAsObject);\n                    this._options.autoUpload = this._formSupport.newAutoUpload;\n                    if (this._formSupport.newEndpoint) {\n                        this.setEndpoint(this._formSupport.newEndpoint);\n                    }\n                }\n            },\n            _upload: function(id, params, endpoint) {\n                var name = this.getName(id);\n                if (params) {\n                    this.setParams(params, id);\n                }\n                if (endpoint) {\n                    this.setEndpoint(endpoint, id);\n                }\n                this._handleCheckedCallback({\n                    name: \"onSubmit\",\n                    callback: qq.bind(this._options.callbacks.onSubmit, this, id, name),\n                    onSuccess: qq.bind(this._onSubmitCallbackSuccess, this, id, name),\n                    onFailure: qq.bind(this._fileOrBlobRejected, this, id, name),\n                    identifier: id\n                });\n            },\n            _uploadFile: function(id) {\n                if (!this._handler.upload(id)) {\n                    this._uploadData.setStatus(id, qq.status.QUEUED);\n                }\n            },\n            _uploadStoredFiles: function() {\n                var idToUpload, stillSubmitting, self = this;\n                while (this._storedIds.length) {\n                    idToUpload = this._storedIds.shift();\n                    this._uploadFile(idToUpload);\n                }\n                stillSubmitting = this.getUploads({\n                    status: qq.status.SUBMITTING\n                }).length;\n                if (stillSubmitting) {\n                    qq.log(\"Still waiting for \" + stillSubmitting + \" files to clear submit queue. Will re-parse stored IDs array shortly.\");\n                    setTimeout(function() {\n                        self._uploadStoredFiles();\n                    }, 1e3);\n                }\n            },\n            _validateFileOrBlobData: function(fileWrapper, validationDescriptor) {\n                var self = this, file = function() {\n                    if (fileWrapper.file instanceof qq.BlobProxy) {\n                        return fileWrapper.file.referenceBlob;\n                    }\n                    return fileWrapper.file;\n                }(), name = validationDescriptor.name, size = validationDescriptor.size, buttonId = this._getButtonId(fileWrapper.file), validationBase = this._getValidationBase(buttonId), validityChecker = new qq.Promise();\n                validityChecker.then(function() {}, function() {\n                    self._fileOrBlobRejected(fileWrapper.id, name);\n                });\n                if (qq.isFileOrInput(file) && !this._isAllowedExtension(validationBase.allowedExtensions, name)) {\n                    this._itemError(\"typeError\", name, file);\n                    return validityChecker.failure();\n                }\n                if (!this._options.validation.allowEmpty && size === 0) {\n                    this._itemError(\"emptyError\", name, file);\n                    return validityChecker.failure();\n                }\n                if (size > 0 && validationBase.sizeLimit && size > validationBase.sizeLimit) {\n                    this._itemError(\"sizeError\", name, file);\n                    return validityChecker.failure();\n                }\n                if (size > 0 && size < validationBase.minSizeLimit) {\n                    this._itemError(\"minSizeError\", name, file);\n                    return validityChecker.failure();\n                }\n                if (qq.ImageValidation && qq.supportedFeatures.imagePreviews && qq.isFile(file)) {\n                    new qq.ImageValidation(file, qq.bind(self.log, self)).validate(validationBase.image).then(validityChecker.success, function(errorCode) {\n                        self._itemError(errorCode + \"ImageError\", name, file);\n                        validityChecker.failure();\n                    });\n                } else {\n                    validityChecker.success();\n                }\n                return validityChecker;\n            },\n            _wrapCallbacks: function() {\n                var self, safeCallback, prop;\n                self = this;\n                safeCallback = function(name, callback, args) {\n                    var errorMsg;\n                    try {\n                        return callback.apply(self, args);\n                    } catch (exception) {\n                        errorMsg = exception.message || exception.toString();\n                        self.log(\"Caught exception in '\" + name + \"' callback - \" + errorMsg, \"error\");\n                    }\n                };\n                for (prop in this._options.callbacks) {\n                    (function() {\n                        var callbackName, callbackFunc;\n                        callbackName = prop;\n                        callbackFunc = self._options.callbacks[callbackName];\n                        self._options.callbacks[callbackName] = function() {\n                            return safeCallback(callbackName, callbackFunc, arguments);\n                        };\n                    })();\n                }\n            }\n        };\n    })();\n    (function() {\n        \"use strict\";\n        qq.FineUploaderBasic = function(o) {\n            var self = this;\n            this._options = {\n                debug: false,\n                button: null,\n                multiple: true,\n                maxConnections: 3,\n                disableCancelForFormUploads: false,\n                autoUpload: true,\n                warnBeforeUnload: true,\n                request: {\n                    customHeaders: {},\n                    endpoint: \"/server/upload\",\n                    filenameParam: \"qqfilename\",\n                    forceMultipart: true,\n                    inputName: \"qqfile\",\n                    method: \"POST\",\n                    omitDefaultParams: false,\n                    params: {},\n                    paramsInBody: true,\n                    requireSuccessJson: true,\n                    totalFileSizeName: \"qqtotalfilesize\",\n                    uuidName: \"qquuid\"\n                },\n                validation: {\n                    allowedExtensions: [],\n                    sizeLimit: 0,\n                    minSizeLimit: 0,\n                    itemLimit: 0,\n                    stopOnFirstInvalidFile: true,\n                    acceptFiles: null,\n                    image: {\n                        maxHeight: 0,\n                        maxWidth: 0,\n                        minHeight: 0,\n                        minWidth: 0\n                    },\n                    allowEmpty: false\n                },\n                callbacks: {\n                    onSubmit: function(id, name) {},\n                    onSubmitted: function(id, name) {},\n                    onComplete: function(id, name, responseJSON, maybeXhr) {},\n                    onAllComplete: function(successful, failed) {},\n                    onCancel: function(id, name) {},\n                    onUpload: function(id, name) {},\n                    onUploadChunk: function(id, name, chunkData) {},\n                    onUploadChunkSuccess: function(id, chunkData, responseJSON, xhr) {},\n                    onResume: function(id, fileName, chunkData, customResumeData) {},\n                    onProgress: function(id, name, loaded, total) {},\n                    onTotalProgress: function(loaded, total) {},\n                    onError: function(id, name, reason, maybeXhrOrXdr) {},\n                    onAutoRetry: function(id, name, attemptNumber) {},\n                    onManualRetry: function(id, name) {},\n                    onValidateBatch: function(fileOrBlobData) {},\n                    onValidate: function(fileOrBlobData) {},\n                    onSubmitDelete: function(id) {},\n                    onDelete: function(id) {},\n                    onDeleteComplete: function(id, xhrOrXdr, isError) {},\n                    onPasteReceived: function(blob) {},\n                    onStatusChange: function(id, oldStatus, newStatus) {},\n                    onSessionRequestComplete: function(response, success, xhrOrXdr) {}\n                },\n                messages: {\n                    typeError: \"{file} has an invalid extension. Valid extension(s): {extensions}.\",\n                    sizeError: \"{file} is too large, maximum file size is {sizeLimit}.\",\n                    minSizeError: \"{file} is too small, minimum file size is {minSizeLimit}.\",\n                    emptyError: \"{file} is empty, please select files again without it.\",\n                    noFilesError: \"No files to upload.\",\n                    tooManyItemsError: \"Too many items ({netItems}) would be uploaded.  Item limit is {itemLimit}.\",\n                    maxHeightImageError: \"Image is too tall.\",\n                    maxWidthImageError: \"Image is too wide.\",\n                    minHeightImageError: \"Image is not tall enough.\",\n                    minWidthImageError: \"Image is not wide enough.\",\n                    retryFailTooManyItems: \"Retry failed - you have reached your file limit.\",\n                    onLeave: \"The files are being uploaded, if you leave now the upload will be canceled.\",\n                    unsupportedBrowserIos8Safari: \"Unrecoverable error - this browser does not permit file uploading of any kind due to serious bugs in iOS8 Safari.  Please use iOS8 Chrome until Apple fixes these issues.\"\n                },\n                retry: {\n                    enableAuto: false,\n                    maxAutoAttempts: 3,\n                    autoAttemptDelay: 5,\n                    preventRetryResponseProperty: \"preventRetry\"\n                },\n                classes: {\n                    buttonHover: \"qq-upload-button-hover\",\n                    buttonFocus: \"qq-upload-button-focus\"\n                },\n                chunking: {\n                    enabled: false,\n                    concurrent: {\n                        enabled: false\n                    },\n                    mandatory: false,\n                    paramNames: {\n                        partIndex: \"qqpartindex\",\n                        partByteOffset: \"qqpartbyteoffset\",\n                        chunkSize: \"qqchunksize\",\n                        totalFileSize: \"qqtotalfilesize\",\n                        totalParts: \"qqtotalparts\"\n                    },\n                    partSize: function(id) {\n                        return 2e6;\n                    },\n                    success: {\n                        endpoint: null,\n                        headers: function(id) {\n                            return null;\n                        },\n                        jsonPayload: false,\n                        method: \"POST\",\n                        params: function(id) {\n                            return null;\n                        },\n                        resetOnStatus: []\n                    }\n                },\n                resume: {\n                    enabled: false,\n                    recordsExpireIn: 7,\n                    paramNames: {\n                        resuming: \"qqresume\"\n                    },\n                    customKeys: function(fileId) {\n                        return [];\n                    }\n                },\n                formatFileName: function(fileOrBlobName) {\n                    return fileOrBlobName;\n                },\n                text: {\n                    defaultResponseError: \"Upload failure reason unknown\",\n                    fileInputTitle: \"file input\",\n                    sizeSymbols: [ \"kB\", \"MB\", \"GB\", \"TB\", \"PB\", \"EB\" ]\n                },\n                deleteFile: {\n                    enabled: false,\n                    method: \"DELETE\",\n                    endpoint: \"/server/upload\",\n                    customHeaders: {},\n                    params: {}\n                },\n                cors: {\n                    expected: false,\n                    sendCredentials: false,\n                    allowXdr: false\n                },\n                blobs: {\n                    defaultName: \"misc_data\"\n                },\n                paste: {\n                    targetElement: null,\n                    defaultName: \"pasted_image\"\n                },\n                camera: {\n                    ios: false,\n                    button: null\n                },\n                extraButtons: [],\n                session: {\n                    endpoint: null,\n                    params: {},\n                    customHeaders: {},\n                    refreshOnReset: true\n                },\n                form: {\n                    element: \"qq-form\",\n                    autoUpload: false,\n                    interceptSubmit: true\n                },\n                scaling: {\n                    customResizer: null,\n                    sendOriginal: true,\n                    orient: true,\n                    defaultType: null,\n                    defaultQuality: 80,\n                    failureText: \"Failed to scale\",\n                    includeExif: false,\n                    sizes: []\n                },\n                workarounds: {\n                    iosEmptyVideos: true,\n                    ios8SafariUploads: true,\n                    ios8BrowserCrash: false\n                }\n            };\n            qq.extend(this._options, o, true);\n            this._buttons = [];\n            this._extraButtonSpecs = {};\n            this._buttonIdsForFileIds = [];\n            this._wrapCallbacks();\n            this._disposeSupport = new qq.DisposeSupport();\n            this._storedIds = [];\n            this._autoRetries = [];\n            this._retryTimeouts = [];\n            this._preventRetries = [];\n            this._thumbnailUrls = [];\n            this._netUploadedOrQueued = 0;\n            this._netUploaded = 0;\n            this._uploadData = this._createUploadDataTracker();\n            this._initFormSupportAndParams();\n            this._customHeadersStore = this._createStore(this._options.request.customHeaders);\n            this._deleteFileCustomHeadersStore = this._createStore(this._options.deleteFile.customHeaders);\n            this._deleteFileParamsStore = this._createStore(this._options.deleteFile.params);\n            this._endpointStore = this._createStore(this._options.request.endpoint);\n            this._deleteFileEndpointStore = this._createStore(this._options.deleteFile.endpoint);\n            this._handler = this._createUploadHandler();\n            this._deleteHandler = qq.DeleteFileAjaxRequester && this._createDeleteHandler();\n            if (this._options.button) {\n                this._defaultButtonId = this._createUploadButton({\n                    element: this._options.button,\n                    title: this._options.text.fileInputTitle\n                }).getButtonId();\n            }\n            this._generateExtraButtonSpecs();\n            this._handleCameraAccess();\n            if (this._options.paste.targetElement) {\n                if (qq.PasteSupport) {\n                    this._pasteHandler = this._createPasteHandler();\n                } else {\n                    this.log(\"Paste support module not found\", \"error\");\n                }\n            }\n            this._options.warnBeforeUnload && this._preventLeaveInProgress();\n            this._imageGenerator = qq.ImageGenerator && new qq.ImageGenerator(qq.bind(this.log, this));\n            this._refreshSessionData();\n            this._succeededSinceLastAllComplete = [];\n            this._failedSinceLastAllComplete = [];\n            this._scaler = qq.Scaler && new qq.Scaler(this._options.scaling, qq.bind(this.log, this)) || {};\n            if (this._scaler.enabled) {\n                this._customNewFileHandler = qq.bind(this._scaler.handleNewFile, this._scaler);\n            }\n            if (qq.TotalProgress && qq.supportedFeatures.progressBar) {\n                this._totalProgress = new qq.TotalProgress(qq.bind(this._onTotalProgress, this), function(id) {\n                    var entry = self._uploadData.retrieve({\n                        id: id\n                    });\n                    return entry && entry.size || 0;\n                });\n            }\n            this._currentItemLimit = this._options.validation.itemLimit;\n            this._customResumeDataStore = this._createStore();\n        };\n        qq.FineUploaderBasic.prototype = qq.basePublicApi;\n        qq.extend(qq.FineUploaderBasic.prototype, qq.basePrivateApi);\n    })();\n    qq.AjaxRequester = function(o) {\n        \"use strict\";\n        var log, shouldParamsBeInQueryString, queue = [], requestData = {}, options = {\n            acceptHeader: null,\n            validMethods: [ \"PATCH\", \"POST\", \"PUT\" ],\n            method: \"POST\",\n            contentType: \"application/x-www-form-urlencoded\",\n            maxConnections: 3,\n            customHeaders: {},\n            endpointStore: {},\n            paramsStore: {},\n            mandatedParams: {},\n            allowXRequestedWithAndCacheControl: true,\n            successfulResponseCodes: {\n                DELETE: [ 200, 202, 204 ],\n                PATCH: [ 200, 201, 202, 203, 204 ],\n                POST: [ 200, 201, 202, 203, 204 ],\n                PUT: [ 200, 201, 202, 203, 204 ],\n                GET: [ 200 ]\n            },\n            cors: {\n                expected: false,\n                sendCredentials: false\n            },\n            log: function(str, level) {},\n            onSend: function(id) {},\n            onComplete: function(id, xhrOrXdr, isError) {},\n            onProgress: null\n        };\n        qq.extend(options, o);\n        log = options.log;\n        if (qq.indexOf(options.validMethods, options.method) < 0) {\n            throw new Error(\"'\" + options.method + \"' is not a supported method for this type of request!\");\n        }\n        function isSimpleMethod() {\n            return qq.indexOf([ \"GET\", \"POST\", \"HEAD\" ], options.method) >= 0;\n        }\n        function containsNonSimpleHeaders(headers) {\n            var containsNonSimple = false;\n            qq.each(containsNonSimple, function(idx, header) {\n                if (qq.indexOf([ \"Accept\", \"Accept-Language\", \"Content-Language\", \"Content-Type\" ], header) < 0) {\n                    containsNonSimple = true;\n                    return false;\n                }\n            });\n            return containsNonSimple;\n        }\n        function isXdr(xhr) {\n            return options.cors.expected && xhr.withCredentials === undefined;\n        }\n        function getCorsAjaxTransport() {\n            var xhrOrXdr;\n            if (window.XMLHttpRequest || window.ActiveXObject) {\n                xhrOrXdr = qq.createXhrInstance();\n                if (xhrOrXdr.withCredentials === undefined) {\n                    xhrOrXdr = new XDomainRequest();\n                    xhrOrXdr.onload = function() {};\n                    xhrOrXdr.onerror = function() {};\n                    xhrOrXdr.ontimeout = function() {};\n                    xhrOrXdr.onprogress = function() {};\n                }\n            }\n            return xhrOrXdr;\n        }\n        function getXhrOrXdr(id, suppliedXhr) {\n            var xhrOrXdr = requestData[id] && requestData[id].xhr;\n            if (!xhrOrXdr) {\n                if (suppliedXhr) {\n                    xhrOrXdr = suppliedXhr;\n                } else {\n                    if (options.cors.expected) {\n                        xhrOrXdr = getCorsAjaxTransport();\n                    } else {\n                        xhrOrXdr = qq.createXhrInstance();\n                    }\n                }\n                requestData[id].xhr = xhrOrXdr;\n            }\n            return xhrOrXdr;\n        }\n        function dequeue(id) {\n            var i = qq.indexOf(queue, id), max = options.maxConnections, nextId;\n            delete requestData[id];\n            queue.splice(i, 1);\n            if (queue.length >= max && i < max) {\n                nextId = queue[max - 1];\n                sendRequest(nextId);\n            }\n        }\n        function onComplete(id, xdrError) {\n            var xhr = getXhrOrXdr(id), method = options.method, isError = xdrError === true;\n            dequeue(id);\n            if (isError) {\n                log(method + \" request for \" + id + \" has failed\", \"error\");\n            } else if (!isXdr(xhr) && !isResponseSuccessful(xhr.status)) {\n                isError = true;\n                log(method + \" request for \" + id + \" has failed - response code \" + xhr.status, \"error\");\n            }\n            options.onComplete(id, xhr, isError);\n        }\n        function getParams(id) {\n            var onDemandParams = requestData[id].additionalParams, mandatedParams = options.mandatedParams, params;\n            if (options.paramsStore.get) {\n                params = options.paramsStore.get(id);\n            }\n            if (onDemandParams) {\n                qq.each(onDemandParams, function(name, val) {\n                    params = params || {};\n                    params[name] = val;\n                });\n            }\n            if (mandatedParams) {\n                qq.each(mandatedParams, function(name, val) {\n                    params = params || {};\n                    params[name] = val;\n                });\n            }\n            return params;\n        }\n        function sendRequest(id, optXhr) {\n            var xhr = getXhrOrXdr(id, optXhr), method = options.method, params = getParams(id), payload = requestData[id].payload, url;\n            options.onSend(id);\n            url = createUrl(id, params, requestData[id].additionalQueryParams);\n            if (isXdr(xhr)) {\n                xhr.onload = getXdrLoadHandler(id);\n                xhr.onerror = getXdrErrorHandler(id);\n            } else {\n                xhr.onreadystatechange = getXhrReadyStateChangeHandler(id);\n            }\n            registerForUploadProgress(id);\n            xhr.open(method, url, true);\n            if (options.cors.expected && options.cors.sendCredentials && !isXdr(xhr)) {\n                xhr.withCredentials = true;\n            }\n            setHeaders(id);\n            log(\"Sending \" + method + \" request for \" + id);\n            if (payload) {\n                xhr.send(payload);\n            } else if (shouldParamsBeInQueryString || !params) {\n                xhr.send();\n            } else if (params && options.contentType && options.contentType.toLowerCase().indexOf(\"application/x-www-form-urlencoded\") >= 0) {\n                xhr.send(qq.obj2url(params, \"\"));\n            } else if (params && options.contentType && options.contentType.toLowerCase().indexOf(\"application/json\") >= 0) {\n                xhr.send(JSON.stringify(params));\n            } else {\n                xhr.send(params);\n            }\n            return xhr;\n        }\n        function createUrl(id, params, additionalQueryParams) {\n            var endpoint = options.endpointStore.get(id), addToPath = requestData[id].addToPath;\n            if (addToPath != undefined) {\n                endpoint += \"/\" + addToPath;\n            }\n            if (shouldParamsBeInQueryString && params) {\n                endpoint = qq.obj2url(params, endpoint);\n            }\n            if (additionalQueryParams) {\n                endpoint = qq.obj2url(additionalQueryParams, endpoint);\n            }\n            return endpoint;\n        }\n        function getXhrReadyStateChangeHandler(id) {\n            return function() {\n                if (getXhrOrXdr(id).readyState === 4) {\n                    onComplete(id);\n                }\n            };\n        }\n        function registerForUploadProgress(id) {\n            var onProgress = options.onProgress;\n            if (onProgress) {\n                getXhrOrXdr(id).upload.onprogress = function(e) {\n                    if (e.lengthComputable) {\n                        onProgress(id, e.loaded, e.total);\n                    }\n                };\n            }\n        }\n        function getXdrLoadHandler(id) {\n            return function() {\n                onComplete(id);\n            };\n        }\n        function getXdrErrorHandler(id) {\n            return function() {\n                onComplete(id, true);\n            };\n        }\n        function setHeaders(id) {\n            var xhr = getXhrOrXdr(id), customHeaders = options.customHeaders, onDemandHeaders = requestData[id].additionalHeaders || {}, method = options.method, allHeaders = {};\n            if (!isXdr(xhr)) {\n                options.acceptHeader && xhr.setRequestHeader(\"Accept\", options.acceptHeader);\n                if (options.allowXRequestedWithAndCacheControl) {\n                    if (!options.cors.expected || (!isSimpleMethod() || containsNonSimpleHeaders(customHeaders))) {\n                        xhr.setRequestHeader(\"X-Requested-With\", \"XMLHttpRequest\");\n                        xhr.setRequestHeader(\"Cache-Control\", \"no-cache\");\n                    }\n                }\n                if (options.contentType && (method === \"POST\" || method === \"PUT\")) {\n                    xhr.setRequestHeader(\"Content-Type\", options.contentType);\n                }\n                qq.extend(allHeaders, qq.isFunction(customHeaders) ? customHeaders(id) : customHeaders);\n                qq.extend(allHeaders, onDemandHeaders);\n                qq.each(allHeaders, function(name, val) {\n                    xhr.setRequestHeader(name, val);\n                });\n            }\n        }\n        function isResponseSuccessful(responseCode) {\n            return qq.indexOf(options.successfulResponseCodes[options.method], responseCode) >= 0;\n        }\n        function prepareToSend(id, optXhr, addToPath, additionalParams, additionalQueryParams, additionalHeaders, payload) {\n            requestData[id] = {\n                addToPath: addToPath,\n                additionalParams: additionalParams,\n                additionalQueryParams: additionalQueryParams,\n                additionalHeaders: additionalHeaders,\n                payload: payload\n            };\n            var len = queue.push(id);\n            if (len <= options.maxConnections) {\n                return sendRequest(id, optXhr);\n            }\n        }\n        shouldParamsBeInQueryString = options.method === \"GET\" || options.method === \"DELETE\";\n        qq.extend(this, {\n            initTransport: function(id) {\n                var path, params, headers, payload, cacheBuster, additionalQueryParams;\n                return {\n                    withPath: function(appendToPath) {\n                        path = appendToPath;\n                        return this;\n                    },\n                    withParams: function(additionalParams) {\n                        params = additionalParams;\n                        return this;\n                    },\n                    withQueryParams: function(_additionalQueryParams_) {\n                        additionalQueryParams = _additionalQueryParams_;\n                        return this;\n                    },\n                    withHeaders: function(additionalHeaders) {\n                        headers = additionalHeaders;\n                        return this;\n                    },\n                    withPayload: function(thePayload) {\n                        payload = thePayload;\n                        return this;\n                    },\n                    withCacheBuster: function() {\n                        cacheBuster = true;\n                        return this;\n                    },\n                    send: function(optXhr) {\n                        if (cacheBuster && qq.indexOf([ \"GET\", \"DELETE\" ], options.method) >= 0) {\n                            params.qqtimestamp = new Date().getTime();\n                        }\n                        return prepareToSend(id, optXhr, path, params, additionalQueryParams, headers, payload);\n                    }\n                };\n            },\n            canceled: function(id) {\n                dequeue(id);\n            }\n        });\n    };\n    qq.UploadHandler = function(spec) {\n        \"use strict\";\n        var proxy = spec.proxy, fileState = {}, onCancel = proxy.onCancel, getName = proxy.getName;\n        qq.extend(this, {\n            add: function(id, fileItem) {\n                fileState[id] = fileItem;\n                fileState[id].temp = {};\n            },\n            cancel: function(id) {\n                var self = this, cancelFinalizationEffort = new qq.Promise(), onCancelRetVal = onCancel(id, getName(id), cancelFinalizationEffort);\n                onCancelRetVal.then(function() {\n                    if (self.isValid(id)) {\n                        fileState[id].canceled = true;\n                        self.expunge(id);\n                    }\n                    cancelFinalizationEffort.success();\n                });\n            },\n            expunge: function(id) {\n                delete fileState[id];\n            },\n            getThirdPartyFileId: function(id) {\n                return fileState[id].key;\n            },\n            isValid: function(id) {\n                return fileState[id] !== undefined;\n            },\n            reset: function() {\n                fileState = {};\n            },\n            _getFileState: function(id) {\n                return fileState[id];\n            },\n            _setThirdPartyFileId: function(id, thirdPartyFileId) {\n                fileState[id].key = thirdPartyFileId;\n            },\n            _wasCanceled: function(id) {\n                return !!fileState[id].canceled;\n            }\n        });\n    };\n    qq.UploadHandlerController = function(o, namespace) {\n        \"use strict\";\n        var controller = this, chunkingPossible = false, concurrentChunkingPossible = false, chunking, preventRetryResponse, log, handler, options = {\n            paramsStore: {},\n            maxConnections: 3,\n            chunking: {\n                enabled: false,\n                multiple: {\n                    enabled: false\n                }\n            },\n            log: function(str, level) {},\n            onProgress: function(id, fileName, loaded, total) {},\n            onComplete: function(id, fileName, response, xhr) {},\n            onCancel: function(id, fileName) {},\n            onUploadPrep: function(id) {},\n            onUpload: function(id, fileName) {},\n            onUploadChunk: function(id, fileName, chunkData) {},\n            onUploadChunkSuccess: function(id, chunkData, response, xhr) {},\n            onAutoRetry: function(id, fileName, response, xhr) {},\n            onResume: function(id, fileName, chunkData, customResumeData) {},\n            onUuidChanged: function(id, newUuid) {},\n            getName: function(id) {},\n            setSize: function(id, newSize) {},\n            isQueued: function(id) {},\n            getIdsInProxyGroup: function(id) {},\n            getIdsInBatch: function(id) {},\n            isInProgress: function(id) {}\n        }, chunked = {\n            done: function(id, chunkIdx, response, xhr) {\n                var chunkData = handler._getChunkData(id, chunkIdx);\n                handler._getFileState(id).attemptingResume = false;\n                delete handler._getFileState(id).temp.chunkProgress[chunkIdx];\n                handler._getFileState(id).loaded += chunkData.size;\n                options.onUploadChunkSuccess(id, handler._getChunkDataForCallback(chunkData), response, xhr);\n            },\n            finalize: function(id) {\n                var size = options.getSize(id), name = options.getName(id);\n                log(\"All chunks have been uploaded for \" + id + \" - finalizing....\");\n                handler.finalizeChunks(id).then(function(response, xhr) {\n                    log(\"Finalize successful for \" + id);\n                    var normaizedResponse = upload.normalizeResponse(response, true);\n                    options.onProgress(id, name, size, size);\n                    handler._maybeDeletePersistedChunkData(id);\n                    upload.cleanup(id, normaizedResponse, xhr);\n                }, function(response, xhr) {\n                    var normalizedResponse = upload.normalizeResponse(response, false);\n                    log(\"Problem finalizing chunks for file ID \" + id + \" - \" + normalizedResponse.error, \"error\");\n                    if (normalizedResponse.reset || xhr && options.chunking.success.resetOnStatus.indexOf(xhr.status) >= 0) {\n                        chunked.reset(id);\n                    }\n                    if (!options.onAutoRetry(id, name, normalizedResponse, xhr)) {\n                        upload.cleanup(id, normalizedResponse, xhr);\n                    }\n                });\n            },\n            handleFailure: function(chunkIdx, id, response, xhr) {\n                var name = options.getName(id);\n                log(\"Chunked upload request failed for \" + id + \", chunk \" + chunkIdx);\n                handler.clearCachedChunk(id, chunkIdx);\n                var responseToReport = upload.normalizeResponse(response, false), inProgressIdx;\n                if (responseToReport.reset) {\n                    chunked.reset(id);\n                } else {\n                    var inProgressChunksArray = handler._getFileState(id).chunking.inProgress;\n                    inProgressIdx = inProgressChunksArray ? qq.indexOf(inProgressChunksArray, chunkIdx) : -1;\n                    if (inProgressIdx >= 0) {\n                        handler._getFileState(id).chunking.inProgress.splice(inProgressIdx, 1);\n                        handler._getFileState(id).chunking.remaining.unshift(chunkIdx);\n                    }\n                }\n                if (!handler._getFileState(id).temp.ignoreFailure) {\n                    if (concurrentChunkingPossible) {\n                        handler._getFileState(id).temp.ignoreFailure = true;\n                        log(qq.format(\"Going to attempt to abort these chunks: {}. These are currently in-progress: {}.\", JSON.stringify(Object.keys(handler._getXhrs(id))), JSON.stringify(handler._getFileState(id).chunking.inProgress)));\n                        qq.each(handler._getXhrs(id), function(ckid, ckXhr) {\n                            log(qq.format(\"Attempting to abort file {}.{}. XHR readyState {}. \", id, ckid, ckXhr.readyState));\n                            ckXhr.abort();\n                            ckXhr._cancelled = true;\n                        });\n                        handler.moveInProgressToRemaining(id);\n                        connectionManager.free(id, true);\n                    }\n                    if (!options.onAutoRetry(id, name, responseToReport, xhr)) {\n                        upload.cleanup(id, responseToReport, xhr);\n                    }\n                }\n            },\n            hasMoreParts: function(id) {\n                return !!handler._getFileState(id).chunking.remaining.length;\n            },\n            nextPart: function(id) {\n                var nextIdx = handler._getFileState(id).chunking.remaining.shift();\n                if (nextIdx >= handler._getTotalChunks(id)) {\n                    nextIdx = null;\n                }\n                return nextIdx;\n            },\n            reset: function(id) {\n                log(\"Server or callback has ordered chunking effort to be restarted on next attempt for item ID \" + id, \"error\");\n                handler._maybeDeletePersistedChunkData(id);\n                handler.reevaluateChunking(id);\n                handler._getFileState(id).loaded = 0;\n                handler._getFileState(id).attemptingResume = false;\n            },\n            sendNext: function(id) {\n                var size = options.getSize(id), name = options.getName(id), chunkIdx = chunked.nextPart(id), chunkData = handler._getChunkData(id, chunkIdx), fileState = handler._getFileState(id), resuming = fileState.attemptingResume, inProgressChunks = fileState.chunking.inProgress || [];\n                if (fileState.loaded == null) {\n                    fileState.loaded = 0;\n                }\n                if (resuming && options.onResume(id, name, chunkData, fileState.customResumeData) === false) {\n                    chunked.reset(id);\n                    chunkIdx = chunked.nextPart(id);\n                    chunkData = handler._getChunkData(id, chunkIdx);\n                    resuming = false;\n                }\n                if (chunkIdx == null && inProgressChunks.length === 0) {\n                    chunked.finalize(id);\n                } else {\n                    inProgressChunks.push(chunkIdx);\n                    handler._getFileState(id).chunking.inProgress = inProgressChunks;\n                    if (concurrentChunkingPossible) {\n                        connectionManager.open(id, chunkIdx);\n                    }\n                    if (concurrentChunkingPossible && connectionManager.available() && handler._getFileState(id).chunking.remaining.length) {\n                        chunked.sendNext(id);\n                    }\n                    if (chunkData.blob.size === 0) {\n                        log(qq.format(\"Chunk {} for file {} will not be uploaded, zero sized chunk.\", chunkIdx, id), \"error\");\n                        chunked.handleFailure(chunkIdx, id, \"File is no longer available\", null);\n                    }\n                    var onUploadChunkPromise = options.onUploadChunk(id, name, handler._getChunkDataForCallback(chunkData));\n                    onUploadChunkPromise.then(function(requestOverrides) {\n                        if (!options.isInProgress(id)) {\n                            log(qq.format(\"Not sending chunked upload request for item {}.{} - no longer in progress.\", id, chunkIdx));\n                        } else {\n                            log(qq.format(\"Sending chunked upload request for item {}.{}, bytes {}-{} of {}.\", id, chunkIdx, chunkData.start + 1, chunkData.end, size));\n                            var uploadChunkData = {\n                                chunkIdx: chunkIdx,\n                                id: id,\n                                overrides: requestOverrides,\n                                resuming: resuming\n                            };\n                            handler.uploadChunk(uploadChunkData).then(function success(response, xhr) {\n                                log(\"Chunked upload request succeeded for \" + id + \", chunk \" + chunkIdx);\n                                handler.clearCachedChunk(id, chunkIdx);\n                                var inProgressChunks = handler._getFileState(id).chunking.inProgress || [], responseToReport = upload.normalizeResponse(response, true), inProgressChunkIdx = qq.indexOf(inProgressChunks, chunkIdx);\n                                log(qq.format(\"Chunk {} for file {} uploaded successfully.\", chunkIdx, id));\n                                chunked.done(id, chunkIdx, responseToReport, xhr);\n                                if (inProgressChunkIdx >= 0) {\n                                    inProgressChunks.splice(inProgressChunkIdx, 1);\n                                }\n                                handler._maybePersistChunkedState(id);\n                                if (!chunked.hasMoreParts(id) && inProgressChunks.length === 0) {\n                                    chunked.finalize(id);\n                                } else if (chunked.hasMoreParts(id)) {\n                                    chunked.sendNext(id);\n                                } else {\n                                    log(qq.format(\"File ID {} has no more chunks to send and these chunk indexes are still marked as in-progress: {}\", id, JSON.stringify(inProgressChunks)));\n                                }\n                            }, function failure(response, xhr) {\n                                chunked.handleFailure(chunkIdx, id, response, xhr);\n                            }).done(function() {\n                                handler.clearXhr(id, chunkIdx);\n                            });\n                        }\n                    }, function(error) {\n                        chunked.handleFailure(chunkIdx, id, error, null);\n                    });\n                }\n            }\n        }, connectionManager = {\n            _open: [],\n            _openChunks: {},\n            _waiting: [],\n            available: function() {\n                var max = options.maxConnections, openChunkEntriesCount = 0, openChunksCount = 0;\n                qq.each(connectionManager._openChunks, function(fileId, openChunkIndexes) {\n                    openChunkEntriesCount++;\n                    openChunksCount += openChunkIndexes.length;\n                });\n                return max - (connectionManager._open.length - openChunkEntriesCount + openChunksCount);\n            },\n            free: function(id, dontAllowNext) {\n                var allowNext = !dontAllowNext, waitingIndex = qq.indexOf(connectionManager._waiting, id), connectionsIndex = qq.indexOf(connectionManager._open, id), nextId;\n                delete connectionManager._openChunks[id];\n                if (upload.getProxyOrBlob(id) instanceof qq.BlobProxy) {\n                    log(\"Generated blob upload has ended for \" + id + \", disposing generated blob.\");\n                    delete handler._getFileState(id).file;\n                }\n                if (waitingIndex >= 0) {\n                    connectionManager._waiting.splice(waitingIndex, 1);\n                } else if (allowNext && connectionsIndex >= 0) {\n                    connectionManager._open.splice(connectionsIndex, 1);\n                    nextId = connectionManager._waiting.shift();\n                    if (nextId >= 0) {\n                        connectionManager._open.push(nextId);\n                        upload.start(nextId);\n                    }\n                }\n            },\n            getWaitingOrConnected: function() {\n                var waitingOrConnected = [];\n                qq.each(connectionManager._openChunks, function(fileId, chunks) {\n                    if (chunks && chunks.length) {\n                        waitingOrConnected.push(parseInt(fileId));\n                    }\n                });\n                qq.each(connectionManager._open, function(idx, fileId) {\n                    if (!connectionManager._openChunks[fileId]) {\n                        waitingOrConnected.push(parseInt(fileId));\n                    }\n                });\n                waitingOrConnected = waitingOrConnected.concat(connectionManager._waiting);\n                return waitingOrConnected;\n            },\n            isUsingConnection: function(id) {\n                return qq.indexOf(connectionManager._open, id) >= 0;\n            },\n            open: function(id, chunkIdx) {\n                if (chunkIdx == null) {\n                    connectionManager._waiting.push(id);\n                }\n                if (connectionManager.available()) {\n                    if (chunkIdx == null) {\n                        connectionManager._waiting.pop();\n                        connectionManager._open.push(id);\n                    } else {\n                        (function() {\n                            var openChunksEntry = connectionManager._openChunks[id] || [];\n                            openChunksEntry.push(chunkIdx);\n                            connectionManager._openChunks[id] = openChunksEntry;\n                        })();\n                    }\n                    return true;\n                }\n                return false;\n            },\n            reset: function() {\n                connectionManager._waiting = [];\n                connectionManager._open = [];\n            }\n        }, simple = {\n            send: function(id, name) {\n                var fileState = handler._getFileState(id);\n                if (!fileState) {\n                    log(\"Ignoring send request as this upload may have been cancelled, File ID \" + id, \"warn\");\n                    return;\n                }\n                fileState.loaded = 0;\n                log(\"Sending simple upload request for \" + id);\n                handler.uploadFile(id).then(function(response, optXhr) {\n                    log(\"Simple upload request succeeded for \" + id);\n                    var responseToReport = upload.normalizeResponse(response, true), size = options.getSize(id);\n                    options.onProgress(id, name, size, size);\n                    upload.maybeNewUuid(id, responseToReport);\n                    upload.cleanup(id, responseToReport, optXhr);\n                }, function(response, optXhr) {\n                    log(\"Simple upload request failed for \" + id);\n                    var responseToReport = upload.normalizeResponse(response, false);\n                    if (!options.onAutoRetry(id, name, responseToReport, optXhr)) {\n                        upload.cleanup(id, responseToReport, optXhr);\n                    }\n                });\n            }\n        }, upload = {\n            cancel: function(id) {\n                log(\"Cancelling \" + id);\n                options.paramsStore.remove(id);\n                connectionManager.free(id);\n            },\n            cleanup: function(id, response, optXhr) {\n                var name = options.getName(id);\n                options.onComplete(id, name, response, optXhr);\n                if (handler._getFileState(id)) {\n                    handler._clearXhrs && handler._clearXhrs(id);\n                }\n                connectionManager.free(id);\n            },\n            getProxyOrBlob: function(id) {\n                return handler.getProxy && handler.getProxy(id) || handler.getFile && handler.getFile(id);\n            },\n            initHandler: function() {\n                var handlerType = namespace ? qq[namespace] : qq.traditional, handlerModuleSubtype = qq.supportedFeatures.ajaxUploading ? \"Xhr\" : \"Form\";\n                handler = new handlerType[handlerModuleSubtype + \"UploadHandler\"](options, {\n                    getCustomResumeData: options.getCustomResumeData,\n                    getDataByUuid: options.getDataByUuid,\n                    getName: options.getName,\n                    getSize: options.getSize,\n                    getUuid: options.getUuid,\n                    log: log,\n                    onCancel: options.onCancel,\n                    onProgress: options.onProgress,\n                    onUuidChanged: options.onUuidChanged,\n                    onFinalizing: function(id) {\n                        options.setStatus(id, qq.status.UPLOAD_FINALIZING);\n                    }\n                });\n                if (handler._removeExpiredChunkingRecords) {\n                    handler._removeExpiredChunkingRecords();\n                }\n            },\n            isDeferredEligibleForUpload: function(id) {\n                return options.isQueued(id);\n            },\n            maybeDefer: function(id, blob) {\n                if (blob && !handler.getFile(id) && blob instanceof qq.BlobProxy) {\n                    options.onUploadPrep(id);\n                    log(\"Attempting to generate a blob on-demand for \" + id);\n                    blob.create().then(function(generatedBlob) {\n                        log(\"Generated an on-demand blob for \" + id);\n                        handler.updateBlob(id, generatedBlob);\n                        options.setSize(id, generatedBlob.size);\n                        handler.reevaluateChunking(id);\n                        upload.maybeSendDeferredFiles(id);\n                    }, function(errorMessage) {\n                        var errorResponse = {};\n                        if (errorMessage) {\n                            errorResponse.error = errorMessage;\n                        }\n                        log(qq.format(\"Failed to generate blob for ID {}.  Error message: {}.\", id, errorMessage), \"error\");\n                        options.onComplete(id, options.getName(id), qq.extend(errorResponse, preventRetryResponse), null);\n                        upload.maybeSendDeferredFiles(id);\n                        connectionManager.free(id);\n                    });\n                } else {\n                    return upload.maybeSendDeferredFiles(id);\n                }\n                return false;\n            },\n            maybeSendDeferredFiles: function(id) {\n                var idsInGroup = options.getIdsInProxyGroup(id), uploadedThisId = false;\n                if (idsInGroup && idsInGroup.length) {\n                    log(\"Maybe ready to upload proxy group file \" + id);\n                    qq.each(idsInGroup, function(idx, idInGroup) {\n                        if (upload.isDeferredEligibleForUpload(idInGroup) && !!handler.getFile(idInGroup)) {\n                            uploadedThisId = idInGroup === id;\n                            upload.now(idInGroup);\n                        } else if (upload.isDeferredEligibleForUpload(idInGroup)) {\n                            return false;\n                        }\n                    });\n                } else {\n                    uploadedThisId = true;\n                    upload.now(id);\n                }\n                return uploadedThisId;\n            },\n            maybeNewUuid: function(id, response) {\n                if (response.newUuid !== undefined) {\n                    options.onUuidChanged(id, response.newUuid);\n                }\n            },\n            normalizeResponse: function(originalResponse, successful) {\n                var response = originalResponse;\n                if (!qq.isObject(originalResponse)) {\n                    response = {};\n                    if (qq.isString(originalResponse) && !successful) {\n                        response.error = originalResponse;\n                    }\n                }\n                response.success = successful;\n                return response;\n            },\n            now: function(id) {\n                var name = options.getName(id);\n                if (!controller.isValid(id)) {\n                    throw new qq.Error(id + \" is not a valid file ID to upload!\");\n                }\n                options.onUpload(id, name).then(function(response) {\n                    if (response && response.pause) {\n                        options.setStatus(id, qq.status.PAUSED);\n                        handler.pause(id);\n                        connectionManager.free(id);\n                    } else {\n                        if (chunkingPossible && handler._shouldChunkThisFile(id)) {\n                            chunked.sendNext(id);\n                        } else {\n                            simple.send(id, name);\n                        }\n                    }\n                }, function(error) {\n                    error = error || {};\n                    log(id + \" upload start aborted due to rejected onUpload Promise - details: \" + error, \"error\");\n                    if (!options.onAutoRetry(id, name, error.responseJSON || {})) {\n                        var response = upload.normalizeResponse(error.responseJSON, false);\n                        upload.cleanup(id, response);\n                    }\n                });\n            },\n            start: function(id) {\n                var blobToUpload = upload.getProxyOrBlob(id);\n                if (blobToUpload) {\n                    return upload.maybeDefer(id, blobToUpload);\n                } else {\n                    upload.now(id);\n                    return true;\n                }\n            }\n        };\n        qq.extend(this, {\n            add: function(id, file) {\n                handler.add.apply(this, arguments);\n            },\n            upload: function(id) {\n                if (connectionManager.open(id)) {\n                    return upload.start(id);\n                }\n                return false;\n            },\n            retry: function(id) {\n                if (concurrentChunkingPossible) {\n                    handler._getFileState(id).temp.ignoreFailure = false;\n                }\n                if (connectionManager.isUsingConnection(id)) {\n                    return upload.start(id);\n                } else {\n                    return controller.upload(id);\n                }\n            },\n            cancel: function(id) {\n                var cancelRetVal = handler.cancel(id);\n                if (qq.isGenericPromise(cancelRetVal)) {\n                    cancelRetVal.then(function() {\n                        upload.cancel(id);\n                    });\n                } else if (cancelRetVal !== false) {\n                    upload.cancel(id);\n                }\n            },\n            cancelAll: function() {\n                var waitingOrConnected = connectionManager.getWaitingOrConnected(), i;\n                if (waitingOrConnected.length) {\n                    for (i = waitingOrConnected.length - 1; i >= 0; i--) {\n                        controller.cancel(waitingOrConnected[i]);\n                    }\n                }\n                connectionManager.reset();\n            },\n            getFile: function(id) {\n                if (handler.getProxy && handler.getProxy(id)) {\n                    return handler.getProxy(id).referenceBlob;\n                }\n                return handler.getFile && handler.getFile(id);\n            },\n            isProxied: function(id) {\n                return !!(handler.getProxy && handler.getProxy(id));\n            },\n            getInput: function(id) {\n                if (handler.getInput) {\n                    return handler.getInput(id);\n                }\n            },\n            reset: function() {\n                log(\"Resetting upload handler\");\n                controller.cancelAll();\n                connectionManager.reset();\n                handler.reset();\n            },\n            expunge: function(id) {\n                if (controller.isValid(id)) {\n                    return handler.expunge(id);\n                }\n            },\n            isValid: function(id) {\n                return handler.isValid(id);\n            },\n            hasResumeRecord: function(id) {\n                var key = handler.isValid(id) && handler._getLocalStorageId && handler._getLocalStorageId(id);\n                if (key) {\n                    return !!localStorage.getItem(key);\n                }\n                return false;\n            },\n            getResumableFilesData: function() {\n                if (handler.getResumableFilesData) {\n                    return handler.getResumableFilesData();\n                }\n                return [];\n            },\n            getThirdPartyFileId: function(id) {\n                if (controller.isValid(id)) {\n                    return handler.getThirdPartyFileId(id);\n                }\n            },\n            pause: function(id) {\n                if (controller.isResumable(id) && handler.pause && controller.isValid(id) && handler.pause(id)) {\n                    connectionManager.free(id);\n                    handler.moveInProgressToRemaining(id);\n                    return true;\n                }\n                return false;\n            },\n            isAttemptingResume: function(id) {\n                return !!handler.isAttemptingResume && handler.isAttemptingResume(id);\n            },\n            isResumable: function(id) {\n                return !!handler.isResumable && handler.isResumable(id);\n            }\n        });\n        qq.extend(options, o);\n        log = options.log;\n        chunkingPossible = options.chunking.enabled && qq.supportedFeatures.chunking;\n        concurrentChunkingPossible = chunkingPossible && options.chunking.concurrent.enabled;\n        preventRetryResponse = function() {\n            var response = {};\n            response[options.preventRetryParam] = true;\n            return response;\n        }();\n        upload.initHandler();\n    };\n    qq.WindowReceiveMessage = function(o) {\n        \"use strict\";\n        var options = {\n            log: function(message, level) {}\n        }, callbackWrapperDetachers = {};\n        qq.extend(options, o);\n        qq.extend(this, {\n            receiveMessage: function(id, callback) {\n                var onMessageCallbackWrapper = function(event) {\n                    callback(event.data);\n                };\n                if (window.postMessage) {\n                    callbackWrapperDetachers[id] = qq(window).attach(\"message\", onMessageCallbackWrapper);\n                } else {\n                    log(\"iframe message passing not supported in this browser!\", \"error\");\n                }\n            },\n            stopReceivingMessages: function(id) {\n                if (window.postMessage) {\n                    var detacher = callbackWrapperDetachers[id];\n                    if (detacher) {\n                        detacher();\n                    }\n                }\n            }\n        });\n    };\n    qq.FormUploadHandler = function(spec) {\n        \"use strict\";\n        var options = spec.options, handler = this, proxy = spec.proxy, formHandlerInstanceId = qq.getUniqueId(), onloadCallbacks = {}, detachLoadEvents = {}, postMessageCallbackTimers = {}, isCors = options.isCors, inputName = options.inputName, getUuid = proxy.getUuid, log = proxy.log, corsMessageReceiver = new qq.WindowReceiveMessage({\n            log: log\n        });\n        function expungeFile(id) {\n            delete detachLoadEvents[id];\n            if (isCors) {\n                clearTimeout(postMessageCallbackTimers[id]);\n                delete postMessageCallbackTimers[id];\n                corsMessageReceiver.stopReceivingMessages(id);\n            }\n            var iframe = document.getElementById(handler._getIframeName(id));\n            if (iframe) {\n                iframe.setAttribute(\"src\", \"javascript:false;\");\n                qq(iframe).remove();\n            }\n        }\n        function getFileIdForIframeName(iframeName) {\n            return iframeName.split(\"_\")[0];\n        }\n        function initIframeForUpload(name) {\n            var iframe = qq.toElement(\"<iframe src='javascript:false;' name='\" + name + \"' />\");\n            iframe.setAttribute(\"id\", name);\n            iframe.style.display = \"none\";\n            document.body.appendChild(iframe);\n            return iframe;\n        }\n        function registerPostMessageCallback(iframe, callback) {\n            var iframeName = iframe.id, fileId = getFileIdForIframeName(iframeName), uuid = getUuid(fileId);\n            onloadCallbacks[uuid] = callback;\n            detachLoadEvents[fileId] = qq(iframe).attach(\"load\", function() {\n                if (handler.getInput(fileId)) {\n                    log(\"Received iframe load event for CORS upload request (iframe name \" + iframeName + \")\");\n                    postMessageCallbackTimers[iframeName] = setTimeout(function() {\n                        var errorMessage = \"No valid message received from loaded iframe for iframe name \" + iframeName;\n                        log(errorMessage, \"error\");\n                        callback({\n                            error: errorMessage\n                        });\n                    }, 1e3);\n                }\n            });\n            corsMessageReceiver.receiveMessage(iframeName, function(message) {\n                log(\"Received the following window message: '\" + message + \"'\");\n                var fileId = getFileIdForIframeName(iframeName), response = handler._parseJsonResponse(message), uuid = response.uuid, onloadCallback;\n                if (uuid && onloadCallbacks[uuid]) {\n                    log(\"Handling response for iframe name \" + iframeName);\n                    clearTimeout(postMessageCallbackTimers[iframeName]);\n                    delete postMessageCallbackTimers[iframeName];\n                    handler._detachLoadEvent(iframeName);\n                    onloadCallback = onloadCallbacks[uuid];\n                    delete onloadCallbacks[uuid];\n                    corsMessageReceiver.stopReceivingMessages(iframeName);\n                    onloadCallback(response);\n                } else if (!uuid) {\n                    log(\"'\" + message + \"' does not contain a UUID - ignoring.\");\n                }\n            });\n        }\n        qq.extend(this, new qq.UploadHandler(spec));\n        qq.override(this, function(super_) {\n            return {\n                add: function(id, fileInput) {\n                    super_.add(id, {\n                        input: fileInput\n                    });\n                    fileInput.setAttribute(\"name\", inputName);\n                    if (fileInput.parentNode) {\n                        qq(fileInput).remove();\n                    }\n                },\n                expunge: function(id) {\n                    expungeFile(id);\n                    super_.expunge(id);\n                },\n                isValid: function(id) {\n                    return super_.isValid(id) && handler._getFileState(id).input !== undefined;\n                }\n            };\n        });\n        qq.extend(this, {\n            getInput: function(id) {\n                return handler._getFileState(id).input;\n            },\n            _attachLoadEvent: function(iframe, callback) {\n                var responseDescriptor;\n                if (isCors) {\n                    registerPostMessageCallback(iframe, callback);\n                } else {\n                    detachLoadEvents[iframe.id] = qq(iframe).attach(\"load\", function() {\n                        log(\"Received response for \" + iframe.id);\n                        if (!iframe.parentNode) {\n                            return;\n                        }\n                        try {\n                            if (iframe.contentDocument && iframe.contentDocument.body && iframe.contentDocument.body.innerHTML == \"false\") {\n                                return;\n                            }\n                        } catch (error) {\n                            log(\"Error when attempting to access iframe during handling of upload response (\" + error.message + \")\", \"error\");\n                            responseDescriptor = {\n                                success: false\n                            };\n                        }\n                        callback(responseDescriptor);\n                    });\n                }\n            },\n            _createIframe: function(id) {\n                var iframeName = handler._getIframeName(id);\n                return initIframeForUpload(iframeName);\n            },\n            _detachLoadEvent: function(id) {\n                if (detachLoadEvents[id] !== undefined) {\n                    detachLoadEvents[id]();\n                    delete detachLoadEvents[id];\n                }\n            },\n            _getIframeName: function(fileId) {\n                return fileId + \"_\" + formHandlerInstanceId;\n            },\n            _initFormForUpload: function(spec) {\n                var method = spec.method, endpoint = spec.endpoint, params = spec.params, paramsInBody = spec.paramsInBody, targetName = spec.targetName, form = qq.toElement(\"<form method='\" + method + \"' enctype='multipart/form-data'></form>\"), url = endpoint;\n                if (paramsInBody) {\n                    qq.obj2Inputs(params, form);\n                } else {\n                    url = qq.obj2url(params, endpoint);\n                }\n                form.setAttribute(\"action\", url);\n                form.setAttribute(\"target\", targetName);\n                form.style.display = \"none\";\n                document.body.appendChild(form);\n                return form;\n            },\n            _parseJsonResponse: function(innerHtmlOrMessage) {\n                var response = {};\n                try {\n                    response = qq.parseJson(innerHtmlOrMessage);\n                } catch (error) {\n                    log(\"Error when attempting to parse iframe upload response (\" + error.message + \")\", \"error\");\n                }\n                return response;\n            }\n        });\n    };\n    qq.XhrUploadHandler = function(spec) {\n        \"use strict\";\n        var handler = this, namespace = spec.options.namespace, proxy = spec.proxy, chunking = spec.options.chunking, getChunkSize = function(id) {\n            var fileState = handler._getFileState(id);\n            if (fileState.chunkSize) {\n                return fileState.chunkSize;\n            } else {\n                var chunkSize = chunking.partSize;\n                if (qq.isFunction(chunkSize)) {\n                    chunkSize = chunkSize(id, getSize(id));\n                }\n                fileState.chunkSize = chunkSize;\n                return chunkSize;\n            }\n        }, resume = spec.options.resume, chunkFiles = chunking && spec.options.chunking.enabled && qq.supportedFeatures.chunking, resumeEnabled = resume && spec.options.resume.enabled && chunkFiles && qq.supportedFeatures.resume, getName = proxy.getName, getSize = proxy.getSize, getUuid = proxy.getUuid, getEndpoint = proxy.getEndpoint, getDataByUuid = proxy.getDataByUuid, onUuidChanged = proxy.onUuidChanged, onProgress = proxy.onProgress, log = proxy.log, getCustomResumeData = proxy.getCustomResumeData;\n        function abort(id) {\n            qq.each(handler._getXhrs(id), function(xhrId, xhr) {\n                var ajaxRequester = handler._getAjaxRequester(id, xhrId);\n                xhr.onreadystatechange = null;\n                xhr.upload.onprogress = null;\n                xhr.abort();\n                ajaxRequester && ajaxRequester.canceled && ajaxRequester.canceled(id);\n            });\n        }\n        qq.extend(this, new qq.UploadHandler(spec));\n        qq.override(this, function(super_) {\n            return {\n                add: function(id, blobOrProxy) {\n                    if (qq.isFile(blobOrProxy) || qq.isBlob(blobOrProxy)) {\n                        super_.add(id, {\n                            file: blobOrProxy\n                        });\n                    } else if (blobOrProxy instanceof qq.BlobProxy) {\n                        super_.add(id, {\n                            proxy: blobOrProxy\n                        });\n                    } else {\n                        throw new Error(\"Passed obj is not a File, Blob, or proxy\");\n                    }\n                    handler._initTempState(id);\n                    resumeEnabled && handler._maybePrepareForResume(id);\n                },\n                expunge: function(id) {\n                    abort(id);\n                    handler._maybeDeletePersistedChunkData(id);\n                    handler._clearXhrs(id);\n                    super_.expunge(id);\n                }\n            };\n        });\n        qq.extend(this, {\n            clearCachedChunk: function(id, chunkIdx) {\n                var fileState = handler._getFileState(id);\n                if (fileState) {\n                    delete fileState.temp.cachedChunks[chunkIdx];\n                }\n            },\n            clearXhr: function(id, chunkIdx) {\n                var tempState = handler._getFileState(id).temp;\n                if (tempState.xhrs) {\n                    delete tempState.xhrs[chunkIdx];\n                }\n                if (tempState.ajaxRequesters) {\n                    delete tempState.ajaxRequesters[chunkIdx];\n                }\n            },\n            finalizeChunks: function(id, responseParser) {\n                var lastChunkIdx = handler._getTotalChunks(id) - 1, xhr = handler._getXhr(id, lastChunkIdx);\n                if (responseParser) {\n                    return new qq.Promise().success(responseParser(xhr), xhr);\n                }\n                return new qq.Promise().success({}, xhr);\n            },\n            getFile: function(id) {\n                return handler.isValid(id) && handler._getFileState(id).file;\n            },\n            getProxy: function(id) {\n                return handler.isValid(id) && handler._getFileState(id).proxy;\n            },\n            getResumableFilesData: function() {\n                var resumableFilesData = [];\n                handler._iterateResumeRecords(function(key, uploadData) {\n                    handler.moveInProgressToRemaining(null, uploadData.chunking.inProgress, uploadData.chunking.remaining);\n                    var data = {\n                        name: uploadData.name,\n                        remaining: uploadData.chunking.remaining,\n                        size: uploadData.size,\n                        uuid: uploadData.uuid\n                    };\n                    if (uploadData.key) {\n                        data.key = uploadData.key;\n                    }\n                    if (uploadData.customResumeData) {\n                        data.customResumeData = uploadData.customResumeData;\n                    }\n                    resumableFilesData.push(data);\n                });\n                return resumableFilesData;\n            },\n            isAttemptingResume: function(id) {\n                return handler._getFileState(id).attemptingResume;\n            },\n            isResumable: function(id) {\n                return !!chunking && handler.isValid(id) && !handler._getFileState(id).notResumable;\n            },\n            moveInProgressToRemaining: function(id, optInProgress, optRemaining) {\n                var fileState = handler._getFileState(id) || {}, chunkingState = fileState.chunking || {}, inProgress = optInProgress || chunkingState.inProgress, remaining = optRemaining || chunkingState.remaining;\n                if (inProgress) {\n                    log(qq.format(\"Moving these chunks from in-progress {}, to remaining.\", JSON.stringify(inProgress)));\n                    inProgress.reverse();\n                    qq.each(inProgress, function(idx, chunkIdx) {\n                        remaining.unshift(chunkIdx);\n                    });\n                    inProgress.length = 0;\n                }\n            },\n            pause: function(id) {\n                if (handler.isValid(id)) {\n                    log(qq.format(\"Aborting XHR upload for {} '{}' due to pause instruction.\", id, getName(id)));\n                    handler._getFileState(id).paused = true;\n                    abort(id);\n                    return true;\n                }\n            },\n            reevaluateChunking: function(id) {\n                if (chunking && handler.isValid(id)) {\n                    var state = handler._getFileState(id), totalChunks, i;\n                    delete state.chunking;\n                    state.chunking = {};\n                    totalChunks = handler._getTotalChunks(id);\n                    if (totalChunks > 1 || chunking.mandatory) {\n                        state.chunking.enabled = true;\n                        state.chunking.parts = totalChunks;\n                        state.chunking.remaining = [];\n                        for (i = 0; i < totalChunks; i++) {\n                            state.chunking.remaining.push(i);\n                        }\n                        handler._initTempState(id);\n                    } else {\n                        state.chunking.enabled = false;\n                    }\n                }\n            },\n            updateBlob: function(id, newBlob) {\n                if (handler.isValid(id)) {\n                    handler._getFileState(id).file = newBlob;\n                }\n            },\n            _clearXhrs: function(id) {\n                var tempState = handler._getFileState(id).temp;\n                qq.each(tempState.ajaxRequesters, function(chunkId) {\n                    delete tempState.ajaxRequesters[chunkId];\n                });\n                qq.each(tempState.xhrs, function(chunkId) {\n                    delete tempState.xhrs[chunkId];\n                });\n            },\n            _createXhr: function(id, optChunkIdx) {\n                return handler._registerXhr(id, optChunkIdx, qq.createXhrInstance());\n            },\n            _getAjaxRequester: function(id, optChunkIdx) {\n                var chunkIdx = optChunkIdx == null ? -1 : optChunkIdx;\n                return handler._getFileState(id).temp.ajaxRequesters[chunkIdx];\n            },\n            _getChunkData: function(id, chunkIndex) {\n                var chunkSize = getChunkSize(id), fileSize = getSize(id), fileOrBlob = handler.getFile(id), startBytes = chunkSize * chunkIndex, endBytes = startBytes + chunkSize >= fileSize ? fileSize : startBytes + chunkSize, totalChunks = handler._getTotalChunks(id), cachedChunks = this._getFileState(id).temp.cachedChunks, blob = cachedChunks[chunkIndex] || qq.sliceBlob(fileOrBlob, startBytes, endBytes);\n                cachedChunks[chunkIndex] = blob;\n                return {\n                    part: chunkIndex,\n                    start: startBytes,\n                    end: endBytes,\n                    count: totalChunks,\n                    blob: blob,\n                    size: endBytes - startBytes\n                };\n            },\n            _getChunkDataForCallback: function(chunkData) {\n                return {\n                    partIndex: chunkData.part,\n                    startByte: chunkData.start + 1,\n                    endByte: chunkData.end,\n                    totalParts: chunkData.count\n                };\n            },\n            _getLocalStorageId: function(id) {\n                var formatVersion = \"5.0\", name = getName(id), size = getSize(id), chunkSize = getChunkSize(id), endpoint = getEndpoint(id), customKeys = resume.customKeys(id), localStorageId = qq.format(\"qq{}resume{}-{}-{}-{}-{}\", namespace, formatVersion, name, size, chunkSize, endpoint);\n                customKeys.forEach(function(key) {\n                    localStorageId += \"-\" + key;\n                });\n                return localStorageId;\n            },\n            _getMimeType: function(id) {\n                return handler.getFile(id).type;\n            },\n            _getPersistableData: function(id) {\n                return handler._getFileState(id).chunking;\n            },\n            _getTotalChunks: function(id) {\n                if (chunking) {\n                    var fileSize = getSize(id), chunkSize = getChunkSize(id);\n                    return Math.ceil(fileSize / chunkSize);\n                }\n            },\n            _getXhr: function(id, optChunkIdx) {\n                var chunkIdx = optChunkIdx == null ? -1 : optChunkIdx;\n                return handler._getFileState(id).temp.xhrs[chunkIdx];\n            },\n            _getXhrs: function(id) {\n                return handler._getFileState(id).temp.xhrs;\n            },\n            _iterateResumeRecords: function(callback) {\n                if (resumeEnabled) {\n                    qq.each(localStorage, function(key, item) {\n                        if (key.indexOf(qq.format(\"qq{}resume\", namespace)) === 0) {\n                            var uploadData = JSON.parse(item);\n                            callback(key, uploadData);\n                        }\n                    });\n                }\n            },\n            _initTempState: function(id) {\n                handler._getFileState(id).temp = {\n                    ajaxRequesters: {},\n                    chunkProgress: {},\n                    xhrs: {},\n                    cachedChunks: {}\n                };\n            },\n            _markNotResumable: function(id) {\n                handler._getFileState(id).notResumable = true;\n            },\n            _maybeDeletePersistedChunkData: function(id) {\n                var localStorageId;\n                if (resumeEnabled && handler.isResumable(id)) {\n                    localStorageId = handler._getLocalStorageId(id);\n                    if (localStorageId && localStorage.getItem(localStorageId)) {\n                        localStorage.removeItem(localStorageId);\n                        return true;\n                    }\n                }\n                return false;\n            },\n            _maybePrepareForResume: function(id) {\n                var state = handler._getFileState(id), localStorageId, persistedData;\n                if (resumeEnabled && state.key === undefined) {\n                    localStorageId = handler._getLocalStorageId(id);\n                    persistedData = localStorage.getItem(localStorageId);\n                    if (persistedData) {\n                        persistedData = JSON.parse(persistedData);\n                        if (getDataByUuid(persistedData.uuid)) {\n                            handler._markNotResumable(id);\n                        } else {\n                            log(qq.format(\"Identified file with ID {} and name of {} as resumable.\", id, getName(id)));\n                            onUuidChanged(id, persistedData.uuid);\n                            state.key = persistedData.key;\n                            state.chunking = persistedData.chunking;\n                            state.loaded = persistedData.loaded;\n                            state.customResumeData = persistedData.customResumeData;\n                            state.attemptingResume = true;\n                            handler.moveInProgressToRemaining(id);\n                        }\n                    }\n                }\n            },\n            _maybePersistChunkedState: function(id) {\n                var state = handler._getFileState(id), localStorageId, persistedData;\n                if (resumeEnabled && handler.isResumable(id)) {\n                    var customResumeData = getCustomResumeData(id);\n                    localStorageId = handler._getLocalStorageId(id);\n                    persistedData = {\n                        name: getName(id),\n                        size: getSize(id),\n                        uuid: getUuid(id),\n                        key: state.key,\n                        chunking: state.chunking,\n                        loaded: state.loaded,\n                        lastUpdated: Date.now()\n                    };\n                    if (customResumeData) {\n                        persistedData.customResumeData = customResumeData;\n                    }\n                    try {\n                        localStorage.setItem(localStorageId, JSON.stringify(persistedData));\n                    } catch (error) {\n                        log(qq.format(\"Unable to save resume data for '{}' due to error: '{}'.\", id, error.toString()), \"warn\");\n                    }\n                }\n            },\n            _registerProgressHandler: function(id, chunkIdx, chunkSize) {\n                var xhr = handler._getXhr(id, chunkIdx), name = getName(id), progressCalculator = {\n                    simple: function(loaded, total) {\n                        var fileSize = getSize(id);\n                        if (loaded === total) {\n                            onProgress(id, name, fileSize, fileSize);\n                        } else {\n                            onProgress(id, name, loaded >= fileSize ? fileSize - 1 : loaded, fileSize);\n                        }\n                    },\n                    chunked: function(loaded, total) {\n                        var chunkProgress = handler._getFileState(id).temp.chunkProgress, totalSuccessfullyLoadedForFile = handler._getFileState(id).loaded, loadedForRequest = loaded, totalForRequest = total, totalFileSize = getSize(id), estActualChunkLoaded = loadedForRequest - (totalForRequest - chunkSize), totalLoadedForFile = totalSuccessfullyLoadedForFile;\n                        chunkProgress[chunkIdx] = estActualChunkLoaded;\n                        qq.each(chunkProgress, function(chunkIdx, chunkLoaded) {\n                            totalLoadedForFile += chunkLoaded;\n                        });\n                        onProgress(id, name, totalLoadedForFile, totalFileSize);\n                    }\n                };\n                xhr.upload.onprogress = function(e) {\n                    if (e.lengthComputable) {\n                        var type = chunkSize == null ? \"simple\" : \"chunked\";\n                        progressCalculator[type](e.loaded, e.total);\n                    }\n                };\n            },\n            _registerXhr: function(id, optChunkIdx, xhr, optAjaxRequester) {\n                var xhrsId = optChunkIdx == null ? -1 : optChunkIdx, tempState = handler._getFileState(id).temp;\n                tempState.xhrs = tempState.xhrs || {};\n                tempState.ajaxRequesters = tempState.ajaxRequesters || {};\n                tempState.xhrs[xhrsId] = xhr;\n                if (optAjaxRequester) {\n                    tempState.ajaxRequesters[xhrsId] = optAjaxRequester;\n                }\n                return xhr;\n            },\n            _removeExpiredChunkingRecords: function() {\n                var expirationDays = resume.recordsExpireIn;\n                handler._iterateResumeRecords(function(key, uploadData) {\n                    var expirationDate = new Date(uploadData.lastUpdated);\n                    expirationDate.setDate(expirationDate.getDate() + expirationDays);\n                    if (expirationDate.getTime() <= Date.now()) {\n                        log(\"Removing expired resume record with key \" + key);\n                        localStorage.removeItem(key);\n                    }\n                });\n            },\n            _shouldChunkThisFile: function(id) {\n                var state = handler._getFileState(id);\n                if (state) {\n                    if (!state.chunking) {\n                        handler.reevaluateChunking(id);\n                    }\n                    return state.chunking.enabled;\n                }\n            }\n        });\n    };\n    qq.DeleteFileAjaxRequester = function(o) {\n        \"use strict\";\n        var requester, options = {\n            method: \"DELETE\",\n            uuidParamName: \"qquuid\",\n            endpointStore: {},\n            maxConnections: 3,\n            customHeaders: function(id) {\n                return {};\n            },\n            paramsStore: {},\n            cors: {\n                expected: false,\n                sendCredentials: false\n            },\n            log: function(str, level) {},\n            onDelete: function(id) {},\n            onDeleteComplete: function(id, xhrOrXdr, isError) {}\n        };\n        qq.extend(options, o);\n        function getMandatedParams() {\n            if (options.method.toUpperCase() === \"POST\") {\n                return {\n                    _method: \"DELETE\"\n                };\n            }\n            return {};\n        }\n        requester = qq.extend(this, new qq.AjaxRequester({\n            acceptHeader: \"application/json\",\n            validMethods: [ \"POST\", \"DELETE\" ],\n            method: options.method,\n            endpointStore: options.endpointStore,\n            paramsStore: options.paramsStore,\n            mandatedParams: getMandatedParams(),\n            maxConnections: options.maxConnections,\n            customHeaders: function(id) {\n                return options.customHeaders.get(id);\n            },\n            log: options.log,\n            onSend: options.onDelete,\n            onComplete: options.onDeleteComplete,\n            cors: options.cors\n        }));\n        qq.extend(this, {\n            sendDelete: function(id, uuid, additionalMandatedParams) {\n                var additionalOptions = additionalMandatedParams || {};\n                options.log(\"Submitting delete file request for \" + id);\n                if (options.method === \"DELETE\") {\n                    requester.initTransport(id).withPath(uuid).withParams(additionalOptions).send();\n                } else {\n                    additionalOptions[options.uuidParamName] = uuid;\n                    requester.initTransport(id).withParams(additionalOptions).send();\n                }\n            }\n        });\n    };\n    (function() {\n        function detectSubsampling(img) {\n            var iw = img.naturalWidth, ih = img.naturalHeight, canvas = document.createElement(\"canvas\"), ctx;\n            if (iw * ih > 1024 * 1024) {\n                canvas.width = canvas.height = 1;\n                ctx = canvas.getContext(\"2d\");\n                ctx.drawImage(img, -iw + 1, 0);\n                return ctx.getImageData(0, 0, 1, 1).data[3] === 0;\n            } else {\n                return false;\n            }\n        }\n        function detectVerticalSquash(img, iw, ih) {\n            var canvas = document.createElement(\"canvas\"), sy = 0, ey = ih, py = ih, ctx, data, alpha, ratio;\n            canvas.width = 1;\n            canvas.height = ih;\n            ctx = canvas.getContext(\"2d\");\n            ctx.drawImage(img, 0, 0);\n            data = ctx.getImageData(0, 0, 1, ih).data;\n            while (py > sy) {\n                alpha = data[(py - 1) * 4 + 3];\n                if (alpha === 0) {\n                    ey = py;\n                } else {\n                    sy = py;\n                }\n                py = ey + sy >> 1;\n            }\n            ratio = py / ih;\n            return ratio === 0 ? 1 : ratio;\n        }\n        function renderImageToDataURL(img, blob, options, doSquash) {\n            var canvas = document.createElement(\"canvas\"), mime = options.mime || \"image/jpeg\", promise = new qq.Promise();\n            renderImageToCanvas(img, blob, canvas, options, doSquash).then(function() {\n                promise.success(canvas.toDataURL(mime, options.quality || .8));\n            });\n            return promise;\n        }\n        function maybeCalculateDownsampledDimensions(spec) {\n            var maxPixels = 5241e3;\n            if (!qq.ios()) {\n                throw new qq.Error(\"Downsampled dimensions can only be reliably calculated for iOS!\");\n            }\n            if (spec.origHeight * spec.origWidth > maxPixels) {\n                return {\n                    newHeight: Math.round(Math.sqrt(maxPixels * (spec.origHeight / spec.origWidth))),\n                    newWidth: Math.round(Math.sqrt(maxPixels * (spec.origWidth / spec.origHeight)))\n                };\n            }\n        }\n        function renderImageToCanvas(img, blob, canvas, options, doSquash) {\n            var iw = img.naturalWidth, ih = img.naturalHeight, width = options.width, height = options.height, ctx = canvas.getContext(\"2d\"), promise = new qq.Promise(), modifiedDimensions;\n            ctx.save();\n            if (options.resize) {\n                return renderImageToCanvasWithCustomResizer({\n                    blob: blob,\n                    canvas: canvas,\n                    image: img,\n                    imageHeight: ih,\n                    imageWidth: iw,\n                    orientation: options.orientation,\n                    resize: options.resize,\n                    targetHeight: height,\n                    targetWidth: width\n                });\n            }\n            if (!qq.supportedFeatures.unlimitedScaledImageSize) {\n                modifiedDimensions = maybeCalculateDownsampledDimensions({\n                    origWidth: width,\n                    origHeight: height\n                });\n                if (modifiedDimensions) {\n                    qq.log(qq.format(\"Had to reduce dimensions due to device limitations from {}w / {}h to {}w / {}h\", width, height, modifiedDimensions.newWidth, modifiedDimensions.newHeight), \"warn\");\n                    width = modifiedDimensions.newWidth;\n                    height = modifiedDimensions.newHeight;\n                }\n            }\n            transformCoordinate(canvas, width, height, options.orientation);\n            if (qq.ios()) {\n                (function() {\n                    if (detectSubsampling(img)) {\n                        iw /= 2;\n                        ih /= 2;\n                    }\n                    var d = 1024, tmpCanvas = document.createElement(\"canvas\"), vertSquashRatio = doSquash ? detectVerticalSquash(img, iw, ih) : 1, dw = Math.ceil(d * width / iw), dh = Math.ceil(d * height / ih / vertSquashRatio), sy = 0, dy = 0, tmpCtx, sx, dx;\n                    tmpCanvas.width = tmpCanvas.height = d;\n                    tmpCtx = tmpCanvas.getContext(\"2d\");\n                    while (sy < ih) {\n                        sx = 0;\n                        dx = 0;\n                        while (sx < iw) {\n                            tmpCtx.clearRect(0, 0, d, d);\n                            tmpCtx.drawImage(img, -sx, -sy);\n                            ctx.drawImage(tmpCanvas, 0, 0, d, d, dx, dy, dw, dh);\n                            sx += d;\n                            dx += dw;\n                        }\n                        sy += d;\n                        dy += dh;\n                    }\n                    ctx.restore();\n                    tmpCanvas = tmpCtx = null;\n                })();\n            } else {\n                ctx.drawImage(img, 0, 0, width, height);\n            }\n            canvas.qqImageRendered && canvas.qqImageRendered();\n            promise.success();\n            return promise;\n        }\n        function renderImageToCanvasWithCustomResizer(resizeInfo) {\n            var blob = resizeInfo.blob, image = resizeInfo.image, imageHeight = resizeInfo.imageHeight, imageWidth = resizeInfo.imageWidth, orientation = resizeInfo.orientation, promise = new qq.Promise(), resize = resizeInfo.resize, sourceCanvas = document.createElement(\"canvas\"), sourceCanvasContext = sourceCanvas.getContext(\"2d\"), targetCanvas = resizeInfo.canvas, targetHeight = resizeInfo.targetHeight, targetWidth = resizeInfo.targetWidth;\n            transformCoordinate(sourceCanvas, imageWidth, imageHeight, orientation);\n            targetCanvas.height = targetHeight;\n            targetCanvas.width = targetWidth;\n            sourceCanvasContext.drawImage(image, 0, 0);\n            resize({\n                blob: blob,\n                height: targetHeight,\n                image: image,\n                sourceCanvas: sourceCanvas,\n                targetCanvas: targetCanvas,\n                width: targetWidth\n            }).then(function success() {\n                targetCanvas.qqImageRendered && targetCanvas.qqImageRendered();\n                promise.success();\n            }, promise.failure);\n            return promise;\n        }\n        function transformCoordinate(canvas, width, height, orientation) {\n            switch (orientation) {\n              case 5:\n              case 6:\n              case 7:\n              case 8:\n                canvas.width = height;\n                canvas.height = width;\n                break;\n\n              default:\n                canvas.width = width;\n                canvas.height = height;\n            }\n            var ctx = canvas.getContext(\"2d\");\n            switch (orientation) {\n              case 2:\n                ctx.translate(width, 0);\n                ctx.scale(-1, 1);\n                break;\n\n              case 3:\n                ctx.translate(width, height);\n                ctx.rotate(Math.PI);\n                break;\n\n              case 4:\n                ctx.translate(0, height);\n                ctx.scale(1, -1);\n                break;\n\n              case 5:\n                ctx.rotate(.5 * Math.PI);\n                ctx.scale(1, -1);\n                break;\n\n              case 6:\n                ctx.rotate(.5 * Math.PI);\n                ctx.translate(0, -height);\n                break;\n\n              case 7:\n                ctx.rotate(.5 * Math.PI);\n                ctx.translate(width, -height);\n                ctx.scale(-1, 1);\n                break;\n\n              case 8:\n                ctx.rotate(-.5 * Math.PI);\n                ctx.translate(-width, 0);\n                break;\n\n              default:\n                break;\n            }\n        }\n        function MegaPixImage(srcImage, errorCallback) {\n            var self = this;\n            if (window.Blob && srcImage instanceof Blob) {\n                (function() {\n                    var img = new Image(), URL = window.URL && window.URL.createObjectURL ? window.URL : window.webkitURL && window.webkitURL.createObjectURL ? window.webkitURL : null;\n                    if (!URL) {\n                        throw Error(\"No createObjectURL function found to create blob url\");\n                    }\n                    img.src = URL.createObjectURL(srcImage);\n                    self.blob = srcImage;\n                    srcImage = img;\n                })();\n            }\n            if (!srcImage.naturalWidth && !srcImage.naturalHeight) {\n                srcImage.onload = function() {\n                    var listeners = self.imageLoadListeners;\n                    if (listeners) {\n                        self.imageLoadListeners = null;\n                        setTimeout(function() {\n                            for (var i = 0, len = listeners.length; i < len; i++) {\n                                listeners[i]();\n                            }\n                        }, 0);\n                    }\n                };\n                srcImage.onerror = errorCallback;\n                this.imageLoadListeners = [];\n            }\n            this.srcImage = srcImage;\n        }\n        MegaPixImage.prototype.render = function(target, options) {\n            options = options || {};\n            var self = this, imgWidth = this.srcImage.naturalWidth, imgHeight = this.srcImage.naturalHeight, width = options.width, height = options.height, maxWidth = options.maxWidth, maxHeight = options.maxHeight, doSquash = !this.blob || this.blob.type === \"image/jpeg\", tagName = target.tagName.toLowerCase(), opt;\n            if (this.imageLoadListeners) {\n                this.imageLoadListeners.push(function() {\n                    self.render(target, options);\n                });\n                return;\n            }\n            if (width && !height) {\n                height = imgHeight * width / imgWidth << 0;\n            } else if (height && !width) {\n                width = imgWidth * height / imgHeight << 0;\n            } else {\n                width = imgWidth;\n                height = imgHeight;\n            }\n            if (maxWidth && width > maxWidth) {\n                width = maxWidth;\n                height = imgHeight * width / imgWidth << 0;\n            }\n            if (maxHeight && height > maxHeight) {\n                height = maxHeight;\n                width = imgWidth * height / imgHeight << 0;\n            }\n            opt = {\n                width: width,\n                height: height\n            }, qq.each(options, function(optionsKey, optionsValue) {\n                opt[optionsKey] = optionsValue;\n            });\n            if (tagName === \"img\") {\n                (function() {\n                    var oldTargetSrc = target.src;\n                    renderImageToDataURL(self.srcImage, self.blob, opt, doSquash).then(function(dataUri) {\n                        target.src = dataUri;\n                        oldTargetSrc === target.src && target.onload();\n                    });\n                })();\n            } else if (tagName === \"canvas\") {\n                renderImageToCanvas(this.srcImage, this.blob, target, opt, doSquash);\n            }\n            if (typeof this.onrender === \"function\") {\n                this.onrender(target);\n            }\n        };\n        qq.MegaPixImage = MegaPixImage;\n    })();\n    qq.ImageGenerator = function(log) {\n        \"use strict\";\n        function isImg(el) {\n            return el.tagName.toLowerCase() === \"img\";\n        }\n        function isCanvas(el) {\n            return el.tagName.toLowerCase() === \"canvas\";\n        }\n        function isImgCorsSupported() {\n            return new Image().crossOrigin !== undefined;\n        }\n        function isCanvasSupported() {\n            var canvas = document.createElement(\"canvas\");\n            return canvas.getContext && canvas.getContext(\"2d\");\n        }\n        function determineMimeOfFileName(nameWithPath) {\n            var pathSegments = nameWithPath.split(\"/\"), name = pathSegments[pathSegments.length - 1].split(\"?\")[0], extension = qq.getExtension(name);\n            extension = extension && extension.toLowerCase();\n            switch (extension) {\n              case \"jpeg\":\n              case \"jpg\":\n                return \"image/jpeg\";\n\n              case \"png\":\n                return \"image/png\";\n\n              case \"bmp\":\n                return \"image/bmp\";\n\n              case \"gif\":\n                return \"image/gif\";\n\n              case \"tiff\":\n              case \"tif\":\n                return \"image/tiff\";\n            }\n        }\n        function isCrossOrigin(url) {\n            var targetAnchor = document.createElement(\"a\"), targetProtocol, targetHostname, targetPort;\n            targetAnchor.href = url;\n            targetProtocol = targetAnchor.protocol;\n            targetPort = targetAnchor.port;\n            targetHostname = targetAnchor.hostname;\n            if (targetProtocol.toLowerCase() !== window.location.protocol.toLowerCase()) {\n                return true;\n            }\n            if (targetHostname.toLowerCase() !== window.location.hostname.toLowerCase()) {\n                return true;\n            }\n            if (targetPort !== window.location.port && !qq.ie()) {\n                return true;\n            }\n            return false;\n        }\n        function registerImgLoadListeners(img, promise) {\n            img.onload = function() {\n                img.onload = null;\n                img.onerror = null;\n                promise.success(img);\n            };\n            img.onerror = function() {\n                img.onload = null;\n                img.onerror = null;\n                log(\"Problem drawing thumbnail!\", \"error\");\n                promise.failure(img, \"Problem drawing thumbnail!\");\n            };\n        }\n        function registerCanvasDrawImageListener(canvas, promise) {\n            canvas.qqImageRendered = function() {\n                promise.success(canvas);\n            };\n        }\n        function registerThumbnailRenderedListener(imgOrCanvas, promise) {\n            var registered = isImg(imgOrCanvas) || isCanvas(imgOrCanvas);\n            if (isImg(imgOrCanvas)) {\n                registerImgLoadListeners(imgOrCanvas, promise);\n            } else if (isCanvas(imgOrCanvas)) {\n                registerCanvasDrawImageListener(imgOrCanvas, promise);\n            } else {\n                promise.failure(imgOrCanvas);\n                log(qq.format(\"Element container of type {} is not supported!\", imgOrCanvas.tagName), \"error\");\n            }\n            return registered;\n        }\n        function draw(fileOrBlob, container, options) {\n            var drawPreview = new qq.Promise(), identifier = new qq.Identify(fileOrBlob, log), maxSize = options.maxSize, orient = options.orient == null ? true : options.orient, megapixErrorHandler = function() {\n                container.onerror = null;\n                container.onload = null;\n                log(\"Could not render preview, file may be too large!\", \"error\");\n                drawPreview.failure(container, \"Browser cannot render image!\");\n            };\n            identifier.isPreviewable().then(function(mime) {\n                var dummyExif = {\n                    parse: function() {\n                        return new qq.Promise().success();\n                    }\n                }, exif = orient ? new qq.Exif(fileOrBlob, log) : dummyExif, mpImg = new qq.MegaPixImage(fileOrBlob, megapixErrorHandler);\n                if (registerThumbnailRenderedListener(container, drawPreview)) {\n                    exif.parse().then(function(exif) {\n                        var orientation = exif && exif.Orientation;\n                        mpImg.render(container, {\n                            maxWidth: maxSize,\n                            maxHeight: maxSize,\n                            orientation: orientation,\n                            mime: mime,\n                            resize: options.customResizeFunction\n                        });\n                    }, function(failureMsg) {\n                        log(qq.format(\"EXIF data could not be parsed ({}).  Assuming orientation = 1.\", failureMsg));\n                        mpImg.render(container, {\n                            maxWidth: maxSize,\n                            maxHeight: maxSize,\n                            mime: mime,\n                            resize: options.customResizeFunction\n                        });\n                    });\n                }\n            }, function() {\n                log(\"Not previewable\");\n                drawPreview.failure(container, \"Not previewable\");\n            });\n            return drawPreview;\n        }\n        function drawOnCanvasOrImgFromUrl(url, canvasOrImg, draw, maxSize, customResizeFunction) {\n            var tempImg = new Image(), tempImgRender = new qq.Promise();\n            registerThumbnailRenderedListener(tempImg, tempImgRender);\n            if (isCrossOrigin(url)) {\n                tempImg.crossOrigin = \"anonymous\";\n            }\n            tempImg.src = url;\n            tempImgRender.then(function rendered() {\n                registerThumbnailRenderedListener(canvasOrImg, draw);\n                var mpImg = new qq.MegaPixImage(tempImg);\n                mpImg.render(canvasOrImg, {\n                    maxWidth: maxSize,\n                    maxHeight: maxSize,\n                    mime: determineMimeOfFileName(url),\n                    resize: customResizeFunction\n                });\n            }, draw.failure);\n        }\n        function drawOnImgFromUrlWithCssScaling(url, img, draw, maxSize) {\n            registerThumbnailRenderedListener(img, draw);\n            qq(img).css({\n                maxWidth: maxSize + \"px\",\n                maxHeight: maxSize + \"px\"\n            });\n            img.src = url;\n        }\n        function drawFromUrl(url, container, options) {\n            var draw = new qq.Promise(), scale = options.scale, maxSize = scale ? options.maxSize : null;\n            if (scale && isImg(container)) {\n                if (isCanvasSupported()) {\n                    if (isCrossOrigin(url) && !isImgCorsSupported()) {\n                        drawOnImgFromUrlWithCssScaling(url, container, draw, maxSize);\n                    } else {\n                        drawOnCanvasOrImgFromUrl(url, container, draw, maxSize);\n                    }\n                } else {\n                    drawOnImgFromUrlWithCssScaling(url, container, draw, maxSize);\n                }\n            } else if (isCanvas(container)) {\n                drawOnCanvasOrImgFromUrl(url, container, draw, maxSize);\n            } else if (registerThumbnailRenderedListener(container, draw)) {\n                container.src = url;\n            }\n            return draw;\n        }\n        qq.extend(this, {\n            generate: function(fileBlobOrUrl, container, options) {\n                if (qq.isString(fileBlobOrUrl)) {\n                    log(\"Attempting to update thumbnail based on server response.\");\n                    return drawFromUrl(fileBlobOrUrl, container, options || {});\n                } else {\n                    log(\"Attempting to draw client-side image preview.\");\n                    return draw(fileBlobOrUrl, container, options || {});\n                }\n            }\n        });\n        this._testing = {};\n        this._testing.isImg = isImg;\n        this._testing.isCanvas = isCanvas;\n        this._testing.isCrossOrigin = isCrossOrigin;\n        this._testing.determineMimeOfFileName = determineMimeOfFileName;\n    };\n    qq.Exif = function(fileOrBlob, log) {\n        \"use strict\";\n        var TAG_IDS = [ 274 ], TAG_INFO = {\n            274: {\n                name: \"Orientation\",\n                bytes: 2\n            }\n        };\n        function parseLittleEndian(hex) {\n            var result = 0, pow = 0;\n            while (hex.length > 0) {\n                result += parseInt(hex.substring(0, 2), 16) * Math.pow(2, pow);\n                hex = hex.substring(2, hex.length);\n                pow += 8;\n            }\n            return result;\n        }\n        function seekToApp1(offset, promise) {\n            var theOffset = offset, thePromise = promise;\n            if (theOffset === undefined) {\n                theOffset = 2;\n                thePromise = new qq.Promise();\n            }\n            qq.readBlobToHex(fileOrBlob, theOffset, 4).then(function(hex) {\n                var match = /^ffe([0-9])/.exec(hex), segmentLength;\n                if (match) {\n                    if (match[1] !== \"1\") {\n                        segmentLength = parseInt(hex.slice(4, 8), 16);\n                        seekToApp1(theOffset + segmentLength + 2, thePromise);\n                    } else {\n                        thePromise.success(theOffset);\n                    }\n                } else {\n                    thePromise.failure(\"No EXIF header to be found!\");\n                }\n            });\n            return thePromise;\n        }\n        function getApp1Offset() {\n            var promise = new qq.Promise();\n            qq.readBlobToHex(fileOrBlob, 0, 6).then(function(hex) {\n                if (hex.indexOf(\"ffd8\") !== 0) {\n                    promise.failure(\"Not a valid JPEG!\");\n                } else {\n                    seekToApp1().then(function(offset) {\n                        promise.success(offset);\n                    }, function(error) {\n                        promise.failure(error);\n                    });\n                }\n            });\n            return promise;\n        }\n        function isLittleEndian(app1Start) {\n            var promise = new qq.Promise();\n            qq.readBlobToHex(fileOrBlob, app1Start + 10, 2).then(function(hex) {\n                promise.success(hex === \"4949\");\n            });\n            return promise;\n        }\n        function getDirEntryCount(app1Start, littleEndian) {\n            var promise = new qq.Promise();\n            qq.readBlobToHex(fileOrBlob, app1Start + 18, 2).then(function(hex) {\n                if (littleEndian) {\n                    return promise.success(parseLittleEndian(hex));\n                } else {\n                    promise.success(parseInt(hex, 16));\n                }\n            });\n            return promise;\n        }\n        function getIfd(app1Start, dirEntries) {\n            var offset = app1Start + 20, bytes = dirEntries * 12;\n            return qq.readBlobToHex(fileOrBlob, offset, bytes);\n        }\n        function getDirEntries(ifdHex) {\n            var entries = [], offset = 0;\n            while (offset + 24 <= ifdHex.length) {\n                entries.push(ifdHex.slice(offset, offset + 24));\n                offset += 24;\n            }\n            return entries;\n        }\n        function getTagValues(littleEndian, dirEntries) {\n            var TAG_VAL_OFFSET = 16, tagsToFind = qq.extend([], TAG_IDS), vals = {};\n            qq.each(dirEntries, function(idx, entry) {\n                var idHex = entry.slice(0, 4), id = littleEndian ? parseLittleEndian(idHex) : parseInt(idHex, 16), tagsToFindIdx = tagsToFind.indexOf(id), tagValHex, tagName, tagValLength;\n                if (tagsToFindIdx >= 0) {\n                    tagName = TAG_INFO[id].name;\n                    tagValLength = TAG_INFO[id].bytes;\n                    tagValHex = entry.slice(TAG_VAL_OFFSET, TAG_VAL_OFFSET + tagValLength * 2);\n                    vals[tagName] = littleEndian ? parseLittleEndian(tagValHex) : parseInt(tagValHex, 16);\n                    tagsToFind.splice(tagsToFindIdx, 1);\n                }\n                if (tagsToFind.length === 0) {\n                    return false;\n                }\n            });\n            return vals;\n        }\n        qq.extend(this, {\n            parse: function() {\n                var parser = new qq.Promise(), onParseFailure = function(message) {\n                    log(qq.format(\"EXIF header parse failed: '{}' \", message));\n                    parser.failure(message);\n                };\n                getApp1Offset().then(function(app1Offset) {\n                    log(qq.format(\"Moving forward with EXIF header parsing for '{}'\", fileOrBlob.name === undefined ? \"blob\" : fileOrBlob.name));\n                    isLittleEndian(app1Offset).then(function(littleEndian) {\n                        log(qq.format(\"EXIF Byte order is {} endian\", littleEndian ? \"little\" : \"big\"));\n                        getDirEntryCount(app1Offset, littleEndian).then(function(dirEntryCount) {\n                            log(qq.format(\"Found {} APP1 directory entries\", dirEntryCount));\n                            getIfd(app1Offset, dirEntryCount).then(function(ifdHex) {\n                                var dirEntries = getDirEntries(ifdHex), tagValues = getTagValues(littleEndian, dirEntries);\n                                log(\"Successfully parsed some EXIF tags\");\n                                parser.success(tagValues);\n                            }, onParseFailure);\n                        }, onParseFailure);\n                    }, onParseFailure);\n                }, onParseFailure);\n                return parser;\n            }\n        });\n        this._testing = {};\n        this._testing.parseLittleEndian = parseLittleEndian;\n    };\n    qq.Identify = function(fileOrBlob, log) {\n        \"use strict\";\n        function isIdentifiable(magicBytes, questionableBytes) {\n            var identifiable = false, magicBytesEntries = [].concat(magicBytes);\n            qq.each(magicBytesEntries, function(idx, magicBytesArrayEntry) {\n                if (questionableBytes.indexOf(magicBytesArrayEntry) === 0) {\n                    identifiable = true;\n                    return false;\n                }\n            });\n            return identifiable;\n        }\n        qq.extend(this, {\n            isPreviewable: function() {\n                var self = this, identifier = new qq.Promise(), previewable = false, name = fileOrBlob.name === undefined ? \"blob\" : fileOrBlob.name;\n                log(qq.format(\"Attempting to determine if {} can be rendered in this browser\", name));\n                log(\"First pass: check type attribute of blob object.\");\n                if (this.isPreviewableSync()) {\n                    log(\"Second pass: check for magic bytes in file header.\");\n                    qq.readBlobToHex(fileOrBlob, 0, 4).then(function(hex) {\n                        qq.each(self.PREVIEWABLE_MIME_TYPES, function(mime, bytes) {\n                            if (isIdentifiable(bytes, hex)) {\n                                if (mime !== \"image/tiff\" || qq.supportedFeatures.tiffPreviews) {\n                                    previewable = true;\n                                    identifier.success(mime);\n                                }\n                                return false;\n                            }\n                        });\n                        log(qq.format(\"'{}' is {} able to be rendered in this browser\", name, previewable ? \"\" : \"NOT\"));\n                        if (!previewable) {\n                            identifier.failure();\n                        }\n                    }, function() {\n                        log(\"Error reading file w/ name '\" + name + \"'.  Not able to be rendered in this browser.\");\n                        identifier.failure();\n                    });\n                } else {\n                    identifier.failure();\n                }\n                return identifier;\n            },\n            isPreviewableSync: function() {\n                var fileMime = fileOrBlob.type, isRecognizedImage = qq.indexOf(Object.keys(this.PREVIEWABLE_MIME_TYPES), fileMime) >= 0, previewable = false, name = fileOrBlob.name === undefined ? \"blob\" : fileOrBlob.name;\n                if (isRecognizedImage) {\n                    if (fileMime === \"image/tiff\") {\n                        previewable = qq.supportedFeatures.tiffPreviews;\n                    } else {\n                        previewable = true;\n                    }\n                }\n                !previewable && log(name + \" is not previewable in this browser per the blob's type attr\");\n                return previewable;\n            }\n        });\n    };\n    qq.Identify.prototype.PREVIEWABLE_MIME_TYPES = {\n        \"image/jpeg\": \"ffd8ff\",\n        \"image/gif\": \"474946\",\n        \"image/png\": \"89504e\",\n        \"image/bmp\": \"424d\",\n        \"image/tiff\": [ \"49492a00\", \"4d4d002a\" ]\n    };\n    qq.ImageValidation = function(blob, log) {\n        \"use strict\";\n        function hasNonZeroLimits(limits) {\n            var atLeastOne = false;\n            qq.each(limits, function(limit, value) {\n                if (value > 0) {\n                    atLeastOne = true;\n                    return false;\n                }\n            });\n            return atLeastOne;\n        }\n        function getWidthHeight() {\n            var sizeDetermination = new qq.Promise();\n            new qq.Identify(blob, log).isPreviewable().then(function() {\n                var image = new Image(), url = window.URL && window.URL.createObjectURL ? window.URL : window.webkitURL && window.webkitURL.createObjectURL ? window.webkitURL : null;\n                if (url) {\n                    image.onerror = function() {\n                        log(\"Cannot determine dimensions for image.  May be too large.\", \"error\");\n                        sizeDetermination.failure();\n                    };\n                    image.onload = function() {\n                        sizeDetermination.success({\n                            width: this.width,\n                            height: this.height\n                        });\n                    };\n                    image.src = url.createObjectURL(blob);\n                } else {\n                    log(\"No createObjectURL function available to generate image URL!\", \"error\");\n                    sizeDetermination.failure();\n                }\n            }, sizeDetermination.failure);\n            return sizeDetermination;\n        }\n        function getFailingLimit(limits, dimensions) {\n            var failingLimit;\n            qq.each(limits, function(limitName, limitValue) {\n                if (limitValue > 0) {\n                    var limitMatcher = /(max|min)(Width|Height)/.exec(limitName), dimensionPropName = limitMatcher[2].charAt(0).toLowerCase() + limitMatcher[2].slice(1), actualValue = dimensions[dimensionPropName];\n                    switch (limitMatcher[1]) {\n                      case \"min\":\n                        if (actualValue < limitValue) {\n                            failingLimit = limitName;\n                            return false;\n                        }\n                        break;\n\n                      case \"max\":\n                        if (actualValue > limitValue) {\n                            failingLimit = limitName;\n                            return false;\n                        }\n                        break;\n                    }\n                }\n            });\n            return failingLimit;\n        }\n        this.validate = function(limits) {\n            var validationEffort = new qq.Promise();\n            log(\"Attempting to validate image.\");\n            if (hasNonZeroLimits(limits)) {\n                getWidthHeight().then(function(dimensions) {\n                    var failingLimit = getFailingLimit(limits, dimensions);\n                    if (failingLimit) {\n                        validationEffort.failure(failingLimit);\n                    } else {\n                        validationEffort.success();\n                    }\n                }, validationEffort.success);\n            } else {\n                validationEffort.success();\n            }\n            return validationEffort;\n        };\n    };\n    qq.Session = function(spec) {\n        \"use strict\";\n        var options = {\n            endpoint: null,\n            params: {},\n            customHeaders: {},\n            cors: {},\n            addFileRecord: function(sessionData) {},\n            log: function(message, level) {}\n        };\n        qq.extend(options, spec, true);\n        function isJsonResponseValid(response) {\n            if (qq.isArray(response)) {\n                return true;\n            }\n            options.log(\"Session response is not an array.\", \"error\");\n        }\n        function handleFileItems(fileItems, success, xhrOrXdr, promise) {\n            var someItemsIgnored = false;\n            success = success && isJsonResponseValid(fileItems);\n            if (success) {\n                qq.each(fileItems, function(idx, fileItem) {\n                    if (fileItem.uuid == null) {\n                        someItemsIgnored = true;\n                        options.log(qq.format(\"Session response item {} did not include a valid UUID - ignoring.\", idx), \"error\");\n                    } else if (fileItem.name == null) {\n                        someItemsIgnored = true;\n                        options.log(qq.format(\"Session response item {} did not include a valid name - ignoring.\", idx), \"error\");\n                    } else {\n                        try {\n                            options.addFileRecord(fileItem);\n                            return true;\n                        } catch (err) {\n                            someItemsIgnored = true;\n                            options.log(err.message, \"error\");\n                        }\n                    }\n                    return false;\n                });\n            }\n            promise[success && !someItemsIgnored ? \"success\" : \"failure\"](fileItems, xhrOrXdr);\n        }\n        this.refresh = function() {\n            var refreshEffort = new qq.Promise(), refreshCompleteCallback = function(response, success, xhrOrXdr) {\n                handleFileItems(response, success, xhrOrXdr, refreshEffort);\n            }, requesterOptions = qq.extend({}, options), requester = new qq.SessionAjaxRequester(qq.extend(requesterOptions, {\n                onComplete: refreshCompleteCallback\n            }));\n            requester.queryServer();\n            return refreshEffort;\n        };\n    };\n    qq.SessionAjaxRequester = function(spec) {\n        \"use strict\";\n        var requester, options = {\n            endpoint: null,\n            customHeaders: {},\n            params: {},\n            cors: {\n                expected: false,\n                sendCredentials: false\n            },\n            onComplete: function(response, success, xhrOrXdr) {},\n            log: function(str, level) {}\n        };\n        qq.extend(options, spec);\n        function onComplete(id, xhrOrXdr, isError) {\n            var response = null;\n            if (xhrOrXdr.responseText != null) {\n                try {\n                    response = qq.parseJson(xhrOrXdr.responseText);\n                } catch (err) {\n                    options.log(\"Problem parsing session response: \" + err.message, \"error\");\n                    isError = true;\n                }\n            }\n            options.onComplete(response, !isError, xhrOrXdr);\n        }\n        requester = qq.extend(this, new qq.AjaxRequester({\n            acceptHeader: \"application/json\",\n            validMethods: [ \"GET\" ],\n            method: \"GET\",\n            endpointStore: {\n                get: function() {\n                    return options.endpoint;\n                }\n            },\n            customHeaders: options.customHeaders,\n            log: options.log,\n            onComplete: onComplete,\n            cors: options.cors\n        }));\n        qq.extend(this, {\n            queryServer: function() {\n                var params = qq.extend({}, options.params);\n                options.log(\"Session query request.\");\n                requester.initTransport(\"sessionRefresh\").withParams(params).withCacheBuster().send();\n            }\n        });\n    };\n    qq.Scaler = function(spec, log) {\n        \"use strict\";\n        var self = this, customResizeFunction = spec.customResizer, includeOriginal = spec.sendOriginal, orient = spec.orient, defaultType = spec.defaultType, defaultQuality = spec.defaultQuality / 100, failedToScaleText = spec.failureText, includeExif = spec.includeExif, sizes = this._getSortedSizes(spec.sizes);\n        qq.extend(this, {\n            enabled: qq.supportedFeatures.scaling && sizes.length > 0,\n            getFileRecords: function(originalFileUuid, originalFileName, originalBlobOrBlobData) {\n                var self = this, records = [], originalBlob = originalBlobOrBlobData.blob ? originalBlobOrBlobData.blob : originalBlobOrBlobData, identifier = new qq.Identify(originalBlob, log);\n                if (identifier.isPreviewableSync()) {\n                    qq.each(sizes, function(idx, sizeRecord) {\n                        var outputType = self._determineOutputType({\n                            defaultType: defaultType,\n                            requestedType: sizeRecord.type,\n                            refType: originalBlob.type\n                        });\n                        records.push({\n                            uuid: qq.getUniqueId(),\n                            name: self._getName(originalFileName, {\n                                name: sizeRecord.name,\n                                type: outputType,\n                                refType: originalBlob.type\n                            }),\n                            blob: new qq.BlobProxy(originalBlob, qq.bind(self._generateScaledImage, self, {\n                                customResizeFunction: customResizeFunction,\n                                maxSize: sizeRecord.maxSize,\n                                orient: orient,\n                                type: outputType,\n                                quality: defaultQuality,\n                                failedText: failedToScaleText,\n                                includeExif: includeExif,\n                                log: log\n                            }))\n                        });\n                    });\n                    records.push({\n                        uuid: originalFileUuid,\n                        name: originalFileName,\n                        size: originalBlob.size,\n                        blob: includeOriginal ? originalBlob : null\n                    });\n                } else {\n                    records.push({\n                        uuid: originalFileUuid,\n                        name: originalFileName,\n                        size: originalBlob.size,\n                        blob: originalBlob\n                    });\n                }\n                return records;\n            },\n            handleNewFile: function(file, name, uuid, size, fileList, batchId, uuidParamName, api) {\n                var self = this, buttonId = file.qqButtonId || file.blob && file.blob.qqButtonId, scaledIds = [], originalId = null, addFileToHandler = api.addFileToHandler, uploadData = api.uploadData, paramsStore = api.paramsStore, proxyGroupId = qq.getUniqueId();\n                qq.each(self.getFileRecords(uuid, name, file), function(idx, record) {\n                    var blobSize = record.size, id;\n                    if (record.blob instanceof qq.BlobProxy) {\n                        blobSize = -1;\n                    }\n                    id = uploadData.addFile({\n                        uuid: record.uuid,\n                        name: record.name,\n                        size: blobSize,\n                        batchId: batchId,\n                        proxyGroupId: proxyGroupId\n                    });\n                    if (record.blob instanceof qq.BlobProxy) {\n                        scaledIds.push(id);\n                    } else {\n                        originalId = id;\n                    }\n                    if (record.blob) {\n                        addFileToHandler(id, record.blob);\n                        fileList.push({\n                            id: id,\n                            file: record.blob\n                        });\n                    } else {\n                        uploadData.setStatus(id, qq.status.REJECTED);\n                    }\n                });\n                if (originalId !== null) {\n                    qq.each(scaledIds, function(idx, scaledId) {\n                        var params = {\n                            qqparentuuid: uploadData.retrieve({\n                                id: originalId\n                            }).uuid,\n                            qqparentsize: uploadData.retrieve({\n                                id: originalId\n                            }).size\n                        };\n                        params[uuidParamName] = uploadData.retrieve({\n                            id: scaledId\n                        }).uuid;\n                        uploadData.setParentId(scaledId, originalId);\n                        paramsStore.addReadOnly(scaledId, params);\n                    });\n                    if (scaledIds.length) {\n                        (function() {\n                            var param = {};\n                            param[uuidParamName] = uploadData.retrieve({\n                                id: originalId\n                            }).uuid;\n                            paramsStore.addReadOnly(originalId, param);\n                        })();\n                    }\n                }\n            }\n        });\n    };\n    qq.extend(qq.Scaler.prototype, {\n        scaleImage: function(id, specs, api) {\n            \"use strict\";\n            if (!qq.supportedFeatures.scaling) {\n                throw new qq.Error(\"Scaling is not supported in this browser!\");\n            }\n            var scalingEffort = new qq.Promise(), log = api.log, file = api.getFile(id), uploadData = api.uploadData.retrieve({\n                id: id\n            }), name = uploadData && uploadData.name, uuid = uploadData && uploadData.uuid, scalingOptions = {\n                customResizer: specs.customResizer,\n                sendOriginal: false,\n                orient: specs.orient,\n                defaultType: specs.type || null,\n                defaultQuality: specs.quality,\n                failedToScaleText: \"Unable to scale\",\n                sizes: [ {\n                    name: \"\",\n                    maxSize: specs.maxSize\n                } ]\n            }, scaler = new qq.Scaler(scalingOptions, log);\n            if (!qq.Scaler || !qq.supportedFeatures.imagePreviews || !file) {\n                scalingEffort.failure();\n                log(\"Could not generate requested scaled image for \" + id + \".  \" + \"Scaling is either not possible in this browser, or the file could not be located.\", \"error\");\n            } else {\n                qq.bind(function() {\n                    var record = scaler.getFileRecords(uuid, name, file)[0];\n                    if (record && record.blob instanceof qq.BlobProxy) {\n                        record.blob.create().then(scalingEffort.success, scalingEffort.failure);\n                    } else {\n                        log(id + \" is not a scalable image!\", \"error\");\n                        scalingEffort.failure();\n                    }\n                }, this)();\n            }\n            return scalingEffort;\n        },\n        _determineOutputType: function(spec) {\n            \"use strict\";\n            var requestedType = spec.requestedType, defaultType = spec.defaultType, referenceType = spec.refType;\n            if (!defaultType && !requestedType) {\n                if (referenceType !== \"image/jpeg\") {\n                    return \"image/png\";\n                }\n                return referenceType;\n            }\n            if (!requestedType) {\n                return defaultType;\n            }\n            if (qq.indexOf(Object.keys(qq.Identify.prototype.PREVIEWABLE_MIME_TYPES), requestedType) >= 0) {\n                if (requestedType === \"image/tiff\") {\n                    return qq.supportedFeatures.tiffPreviews ? requestedType : defaultType;\n                }\n                return requestedType;\n            }\n            return defaultType;\n        },\n        _getName: function(originalName, scaledVersionProperties) {\n            \"use strict\";\n            var startOfExt = originalName.lastIndexOf(\".\"), versionType = scaledVersionProperties.type || \"image/png\", referenceType = scaledVersionProperties.refType, scaledName = \"\", scaledExt = qq.getExtension(originalName), nameAppendage = \"\";\n            if (scaledVersionProperties.name && scaledVersionProperties.name.trim().length) {\n                nameAppendage = \" (\" + scaledVersionProperties.name + \")\";\n            }\n            if (startOfExt >= 0) {\n                scaledName = originalName.substr(0, startOfExt);\n                if (referenceType !== versionType) {\n                    scaledExt = versionType.split(\"/\")[1];\n                }\n                scaledName += nameAppendage + \".\" + scaledExt;\n            } else {\n                scaledName = originalName + nameAppendage;\n            }\n            return scaledName;\n        },\n        _getSortedSizes: function(sizes) {\n            \"use strict\";\n            sizes = qq.extend([], sizes);\n            return sizes.sort(function(a, b) {\n                if (a.maxSize > b.maxSize) {\n                    return 1;\n                }\n                if (a.maxSize < b.maxSize) {\n                    return -1;\n                }\n                return 0;\n            });\n        },\n        _generateScaledImage: function(spec, sourceFile) {\n            \"use strict\";\n            var self = this, customResizeFunction = spec.customResizeFunction, log = spec.log, maxSize = spec.maxSize, orient = spec.orient, type = spec.type, quality = spec.quality, failedText = spec.failedText, includeExif = spec.includeExif && sourceFile.type === \"image/jpeg\" && type === \"image/jpeg\", scalingEffort = new qq.Promise(), imageGenerator = new qq.ImageGenerator(log), canvas = document.createElement(\"canvas\");\n            log(\"Attempting to generate scaled version for \" + sourceFile.name);\n            imageGenerator.generate(sourceFile, canvas, {\n                maxSize: maxSize,\n                orient: orient,\n                customResizeFunction: customResizeFunction\n            }).then(function() {\n                var scaledImageDataUri = canvas.toDataURL(type, quality), signalSuccess = function() {\n                    log(\"Success generating scaled version for \" + sourceFile.name);\n                    var blob = qq.dataUriToBlob(scaledImageDataUri);\n                    scalingEffort.success(blob);\n                };\n                if (includeExif) {\n                    self._insertExifHeader(sourceFile, scaledImageDataUri, log).then(function(scaledImageDataUriWithExif) {\n                        scaledImageDataUri = scaledImageDataUriWithExif;\n                        signalSuccess();\n                    }, function() {\n                        log(\"Problem inserting EXIF header into scaled image.  Using scaled image w/out EXIF data.\", \"error\");\n                        signalSuccess();\n                    });\n                } else {\n                    signalSuccess();\n                }\n            }, function() {\n                log(\"Failed attempt to generate scaled version for \" + sourceFile.name, \"error\");\n                scalingEffort.failure(failedText);\n            });\n            return scalingEffort;\n        },\n        _insertExifHeader: function(originalImage, scaledImageDataUri, log) {\n            \"use strict\";\n            var reader = new FileReader(), insertionEffort = new qq.Promise(), originalImageDataUri = \"\";\n            reader.onload = function() {\n                originalImageDataUri = reader.result;\n                insertionEffort.success(qq.ExifRestorer.restore(originalImageDataUri, scaledImageDataUri));\n            };\n            reader.onerror = function() {\n                log(\"Problem reading \" + originalImage.name + \" during attempt to transfer EXIF data to scaled version.\", \"error\");\n                insertionEffort.failure();\n            };\n            reader.readAsDataURL(originalImage);\n            return insertionEffort;\n        },\n        _dataUriToBlob: function(dataUri) {\n            \"use strict\";\n            var byteString, mimeString, arrayBuffer, intArray;\n            if (dataUri.split(\",\")[0].indexOf(\"base64\") >= 0) {\n                byteString = atob(dataUri.split(\",\")[1]);\n            } else {\n                byteString = decodeURI(dataUri.split(\",\")[1]);\n            }\n            mimeString = dataUri.split(\",\")[0].split(\":\")[1].split(\";\")[0];\n            arrayBuffer = new ArrayBuffer(byteString.length);\n            intArray = new Uint8Array(arrayBuffer);\n            qq.each(byteString, function(idx, character) {\n                intArray[idx] = character.charCodeAt(0);\n            });\n            return this._createBlob(arrayBuffer, mimeString);\n        },\n        _createBlob: function(data, mime) {\n            \"use strict\";\n            var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder, blobBuilder = BlobBuilder && new BlobBuilder();\n            if (blobBuilder) {\n                blobBuilder.append(data);\n                return blobBuilder.getBlob(mime);\n            } else {\n                return new Blob([ data ], {\n                    type: mime\n                });\n            }\n        }\n    });\n    qq.ExifRestorer = function() {\n        var ExifRestorer = {};\n        ExifRestorer.KEY_STR = \"ABCDEFGHIJKLMNOP\" + \"QRSTUVWXYZabcdef\" + \"ghijklmnopqrstuv\" + \"wxyz0123456789+/\" + \"=\";\n        ExifRestorer.encode64 = function(input) {\n            var output = \"\", chr1, chr2, chr3 = \"\", enc1, enc2, enc3, enc4 = \"\", i = 0;\n            do {\n                chr1 = input[i++];\n                chr2 = input[i++];\n                chr3 = input[i++];\n                enc1 = chr1 >> 2;\n                enc2 = (chr1 & 3) << 4 | chr2 >> 4;\n                enc3 = (chr2 & 15) << 2 | chr3 >> 6;\n                enc4 = chr3 & 63;\n                if (isNaN(chr2)) {\n                    enc3 = enc4 = 64;\n                } else if (isNaN(chr3)) {\n                    enc4 = 64;\n                }\n                output = output + this.KEY_STR.charAt(enc1) + this.KEY_STR.charAt(enc2) + this.KEY_STR.charAt(enc3) + this.KEY_STR.charAt(enc4);\n                chr1 = chr2 = chr3 = \"\";\n                enc1 = enc2 = enc3 = enc4 = \"\";\n            } while (i < input.length);\n            return output;\n        };\n        ExifRestorer.restore = function(origFileBase64, resizedFileBase64) {\n            var expectedBase64Header = \"data:image/jpeg;base64,\";\n            if (!origFileBase64.match(expectedBase64Header)) {\n                return resizedFileBase64;\n            }\n            var rawImage = this.decode64(origFileBase64.replace(expectedBase64Header, \"\"));\n            var segments = this.slice2Segments(rawImage);\n            var image = this.exifManipulation(resizedFileBase64, segments);\n            return expectedBase64Header + this.encode64(image);\n        };\n        ExifRestorer.exifManipulation = function(resizedFileBase64, segments) {\n            var exifArray = this.getExifArray(segments), newImageArray = this.insertExif(resizedFileBase64, exifArray), aBuffer = new Uint8Array(newImageArray);\n            return aBuffer;\n        };\n        ExifRestorer.getExifArray = function(segments) {\n            var seg;\n            for (var x = 0; x < segments.length; x++) {\n                seg = segments[x];\n                if (seg[0] == 255 & seg[1] == 225) {\n                    return seg;\n                }\n            }\n            return [];\n        };\n        ExifRestorer.insertExif = function(resizedFileBase64, exifArray) {\n            var imageData = resizedFileBase64.replace(\"data:image/jpeg;base64,\", \"\"), buf = this.decode64(imageData), separatePoint = buf.indexOf(255, 3), mae = buf.slice(0, separatePoint), ato = buf.slice(separatePoint), array = mae;\n            array = array.concat(exifArray);\n            array = array.concat(ato);\n            return array;\n        };\n        ExifRestorer.slice2Segments = function(rawImageArray) {\n            var head = 0, segments = [];\n            while (1) {\n                if (rawImageArray[head] == 255 & rawImageArray[head + 1] == 218) {\n                    break;\n                }\n                if (rawImageArray[head] == 255 & rawImageArray[head + 1] == 216) {\n                    head += 2;\n                } else {\n                    var length = rawImageArray[head + 2] * 256 + rawImageArray[head + 3], endPoint = head + length + 2, seg = rawImageArray.slice(head, endPoint);\n                    segments.push(seg);\n                    head = endPoint;\n                }\n                if (head > rawImageArray.length) {\n                    break;\n                }\n            }\n            return segments;\n        };\n        ExifRestorer.decode64 = function(input) {\n            var output = \"\", chr1, chr2, chr3 = \"\", enc1, enc2, enc3, enc4 = \"\", i = 0, buf = [];\n            var base64test = /[^A-Za-z0-9\\+\\/\\=]/g;\n            if (base64test.exec(input)) {\n                throw new Error(\"There were invalid base64 characters in the input text.  \" + \"Valid base64 characters are A-Z, a-z, 0-9, '+', '/',and '='\");\n            }\n            input = input.replace(/[^A-Za-z0-9\\+\\/\\=]/g, \"\");\n            do {\n                enc1 = this.KEY_STR.indexOf(input.charAt(i++));\n                enc2 = this.KEY_STR.indexOf(input.charAt(i++));\n                enc3 = this.KEY_STR.indexOf(input.charAt(i++));\n                enc4 = this.KEY_STR.indexOf(input.charAt(i++));\n                chr1 = enc1 << 2 | enc2 >> 4;\n                chr2 = (enc2 & 15) << 4 | enc3 >> 2;\n                chr3 = (enc3 & 3) << 6 | enc4;\n                buf.push(chr1);\n                if (enc3 != 64) {\n                    buf.push(chr2);\n                }\n                if (enc4 != 64) {\n                    buf.push(chr3);\n                }\n                chr1 = chr2 = chr3 = \"\";\n                enc1 = enc2 = enc3 = enc4 = \"\";\n            } while (i < input.length);\n            return buf;\n        };\n        return ExifRestorer;\n    }();\n    qq.TotalProgress = function(callback, getSize) {\n        \"use strict\";\n        var perFileProgress = {}, totalLoaded = 0, totalSize = 0, lastLoadedSent = -1, lastTotalSent = -1, callbackProxy = function(loaded, total) {\n            if (loaded !== lastLoadedSent || total !== lastTotalSent) {\n                callback(loaded, total);\n            }\n            lastLoadedSent = loaded;\n            lastTotalSent = total;\n        }, noRetryableFiles = function(failed, retryable) {\n            var none = true;\n            qq.each(failed, function(idx, failedId) {\n                if (qq.indexOf(retryable, failedId) >= 0) {\n                    none = false;\n                    return false;\n                }\n            });\n            return none;\n        }, onCancel = function(id) {\n            updateTotalProgress(id, -1, -1);\n            delete perFileProgress[id];\n        }, onAllComplete = function(successful, failed, retryable) {\n            if (failed.length === 0 || noRetryableFiles(failed, retryable)) {\n                callbackProxy(totalSize, totalSize);\n                this.reset();\n            }\n        }, onNew = function(id) {\n            var size = getSize(id);\n            if (size > 0) {\n                updateTotalProgress(id, 0, size);\n                perFileProgress[id] = {\n                    loaded: 0,\n                    total: size\n                };\n            }\n        }, updateTotalProgress = function(id, newLoaded, newTotal) {\n            var oldLoaded = perFileProgress[id] ? perFileProgress[id].loaded : 0, oldTotal = perFileProgress[id] ? perFileProgress[id].total : 0;\n            if (newLoaded === -1 && newTotal === -1) {\n                totalLoaded -= oldLoaded;\n                totalSize -= oldTotal;\n            } else {\n                if (newLoaded) {\n                    totalLoaded += newLoaded - oldLoaded;\n                }\n                if (newTotal) {\n                    totalSize += newTotal - oldTotal;\n                }\n            }\n            callbackProxy(totalLoaded, totalSize);\n        };\n        qq.extend(this, {\n            onAllComplete: onAllComplete,\n            onStatusChange: function(id, oldStatus, newStatus) {\n                if (newStatus === qq.status.CANCELED || newStatus === qq.status.REJECTED) {\n                    onCancel(id);\n                } else if (newStatus === qq.status.SUBMITTING) {\n                    onNew(id);\n                }\n            },\n            onIndividualProgress: function(id, loaded, total) {\n                updateTotalProgress(id, loaded, total);\n                perFileProgress[id] = {\n                    loaded: loaded,\n                    total: total\n                };\n            },\n            onNewSize: function(id) {\n                onNew(id);\n            },\n            reset: function() {\n                perFileProgress = {};\n                totalLoaded = 0;\n                totalSize = 0;\n            }\n        });\n    };\n    qq.PasteSupport = function(o) {\n        \"use strict\";\n        var options, detachPasteHandler;\n        options = {\n            targetElement: null,\n            callbacks: {\n                log: function(message, level) {},\n                pasteReceived: function(blob) {}\n            }\n        };\n        function isImage(item) {\n            return item.type && item.type.indexOf(\"image/\") === 0;\n        }\n        function registerPasteHandler() {\n            detachPasteHandler = qq(options.targetElement).attach(\"paste\", function(event) {\n                var clipboardData = event.clipboardData;\n                if (clipboardData) {\n                    qq.each(clipboardData.items, function(idx, item) {\n                        if (isImage(item)) {\n                            var blob = item.getAsFile();\n                            options.callbacks.pasteReceived(blob);\n                        }\n                    });\n                }\n            });\n        }\n        function unregisterPasteHandler() {\n            if (detachPasteHandler) {\n                detachPasteHandler();\n            }\n        }\n        qq.extend(options, o);\n        registerPasteHandler();\n        qq.extend(this, {\n            reset: function() {\n                unregisterPasteHandler();\n            }\n        });\n    };\n    qq.FormSupport = function(options, startUpload, log) {\n        \"use strict\";\n        var self = this, interceptSubmit = options.interceptSubmit, formEl = options.element, autoUpload = options.autoUpload;\n        qq.extend(this, {\n            newEndpoint: null,\n            newAutoUpload: autoUpload,\n            attachedToForm: false,\n            getFormInputsAsObject: function() {\n                if (formEl == null) {\n                    return null;\n                }\n                return self._form2Obj(formEl);\n            }\n        });\n        function determineNewEndpoint(formEl) {\n            if (formEl.getAttribute(\"action\")) {\n                self.newEndpoint = formEl.getAttribute(\"action\");\n            }\n        }\n        function validateForm(formEl, nativeSubmit) {\n            if (formEl.checkValidity && !formEl.checkValidity()) {\n                log(\"Form did not pass validation checks - will not upload.\", \"error\");\n                nativeSubmit();\n            } else {\n                return true;\n            }\n        }\n        function maybeUploadOnSubmit(formEl) {\n            var nativeSubmit = formEl.submit;\n            qq(formEl).attach(\"submit\", function(event) {\n                event = event || window.event;\n                if (event.preventDefault) {\n                    event.preventDefault();\n                } else {\n                    event.returnValue = false;\n                }\n                validateForm(formEl, nativeSubmit) && startUpload();\n            });\n            formEl.submit = function() {\n                validateForm(formEl, nativeSubmit) && startUpload();\n            };\n        }\n        function determineFormEl(formEl) {\n            if (formEl) {\n                if (qq.isString(formEl)) {\n                    formEl = document.getElementById(formEl);\n                }\n                if (formEl) {\n                    log(\"Attaching to form element.\");\n                    determineNewEndpoint(formEl);\n                    interceptSubmit && maybeUploadOnSubmit(formEl);\n                }\n            }\n            return formEl;\n        }\n        formEl = determineFormEl(formEl);\n        this.attachedToForm = !!formEl;\n    };\n    qq.extend(qq.FormSupport.prototype, {\n        _form2Obj: function(form) {\n            \"use strict\";\n            var obj = {}, notIrrelevantType = function(type) {\n                var irrelevantTypes = [ \"button\", \"image\", \"reset\", \"submit\" ];\n                return qq.indexOf(irrelevantTypes, type.toLowerCase()) < 0;\n            }, radioOrCheckbox = function(type) {\n                return qq.indexOf([ \"checkbox\", \"radio\" ], type.toLowerCase()) >= 0;\n            }, ignoreValue = function(el) {\n                if (radioOrCheckbox(el.type) && !el.checked) {\n                    return true;\n                }\n                return el.disabled && el.type.toLowerCase() !== \"hidden\";\n            }, selectValue = function(select) {\n                var value = null;\n                qq.each(qq(select).children(), function(idx, child) {\n                    if (child.tagName.toLowerCase() === \"option\" && child.selected) {\n                        value = child.value;\n                        return false;\n                    }\n                });\n                return value;\n            };\n            qq.each(form.elements, function(idx, el) {\n                if ((qq.isInput(el, true) || el.tagName.toLowerCase() === \"textarea\") && notIrrelevantType(el.type) && !ignoreValue(el)) {\n                    obj[el.name] = el.value;\n                } else if (el.tagName.toLowerCase() === \"select\" && !ignoreValue(el)) {\n                    var value = selectValue(el);\n                    if (value !== null) {\n                        obj[el.name] = value;\n                    }\n                }\n            });\n            return obj;\n        }\n    });\n    qq.traditional = qq.traditional || {};\n    qq.traditional.FormUploadHandler = function(options, proxy) {\n        \"use strict\";\n        var handler = this, getName = proxy.getName, getUuid = proxy.getUuid, log = proxy.log;\n        function getIframeContentJson(id, iframe) {\n            var response, doc, innerHtml;\n            try {\n                doc = iframe.contentDocument || iframe.contentWindow.document;\n                innerHtml = doc.body.innerHTML;\n                log(\"converting iframe's innerHTML to JSON\");\n                log(\"innerHTML = \" + innerHtml);\n                if (innerHtml && innerHtml.match(/^<pre/i)) {\n                    innerHtml = doc.body.firstChild.firstChild.nodeValue;\n                }\n                response = handler._parseJsonResponse(innerHtml);\n            } catch (error) {\n                log(\"Error when attempting to parse form upload response (\" + error.message + \")\", \"error\");\n                response = {\n                    success: false\n                };\n            }\n            return response;\n        }\n        function createForm(id, iframe) {\n            var params = options.paramsStore.get(id), method = options.method.toLowerCase() === \"get\" ? \"GET\" : \"POST\", endpoint = options.endpointStore.get(id), name = getName(id);\n            params[options.uuidName] = getUuid(id);\n            params[options.filenameParam] = name;\n            return handler._initFormForUpload({\n                method: method,\n                endpoint: endpoint,\n                params: params,\n                paramsInBody: options.paramsInBody,\n                targetName: iframe.name\n            });\n        }\n        this.uploadFile = function(id) {\n            var input = handler.getInput(id), iframe = handler._createIframe(id), promise = new qq.Promise(), form;\n            form = createForm(id, iframe);\n            form.appendChild(input);\n            handler._attachLoadEvent(iframe, function(responseFromMessage) {\n                log(\"iframe loaded\");\n                var response = responseFromMessage ? responseFromMessage : getIframeContentJson(id, iframe);\n                handler._detachLoadEvent(id);\n                if (!options.cors.expected) {\n                    qq(iframe).remove();\n                }\n                if (response.success) {\n                    promise.success(response);\n                } else {\n                    promise.failure(response);\n                }\n            });\n            log(\"Sending upload request for \" + id);\n            form.submit();\n            qq(form).remove();\n            return promise;\n        };\n        qq.extend(this, new qq.FormUploadHandler({\n            options: {\n                isCors: options.cors.expected,\n                inputName: options.inputName\n            },\n            proxy: {\n                onCancel: options.onCancel,\n                getName: getName,\n                getUuid: getUuid,\n                log: log\n            }\n        }));\n    };\n    qq.traditional = qq.traditional || {};\n    qq.traditional.XhrUploadHandler = function(spec, proxy) {\n        \"use strict\";\n        var handler = this, getName = proxy.getName, getSize = proxy.getSize, getUuid = proxy.getUuid, log = proxy.log, multipart = spec.forceMultipart || spec.paramsInBody, addChunkingSpecificParams = function(id, params, chunkData) {\n            var size = getSize(id), name = getName(id);\n            if (!spec.omitDefaultParams) {\n                params[spec.chunking.paramNames.partIndex] = chunkData.part;\n                params[spec.chunking.paramNames.partByteOffset] = chunkData.start;\n                params[spec.chunking.paramNames.chunkSize] = chunkData.size;\n                params[spec.chunking.paramNames.totalParts] = chunkData.count;\n                params[spec.totalFileSizeName] = size;\n            }\n            if (multipart && !spec.omitDefaultParams) {\n                params[spec.filenameParam] = name;\n            }\n        }, allChunksDoneRequester = new qq.traditional.AllChunksDoneAjaxRequester({\n            cors: spec.cors,\n            endpoint: spec.chunking.success.endpoint,\n            headers: spec.chunking.success.headers,\n            jsonPayload: spec.chunking.success.jsonPayload,\n            log: log,\n            method: spec.chunking.success.method,\n            params: spec.chunking.success.params\n        }), createReadyStateChangedHandler = function(id, xhr) {\n            var promise = new qq.Promise();\n            xhr.onreadystatechange = function() {\n                if (xhr.readyState === 4) {\n                    var result = onUploadOrChunkComplete(id, xhr);\n                    if (result.success) {\n                        promise.success(result.response, xhr);\n                    } else {\n                        promise.failure(result.response, xhr);\n                    }\n                }\n            };\n            return promise;\n        }, getChunksCompleteParams = function(id) {\n            var params = spec.paramsStore.get(id), name = getName(id), size = getSize(id);\n            params[spec.uuidName] = getUuid(id);\n            params[spec.filenameParam] = name;\n            params[spec.totalFileSizeName] = size;\n            params[spec.chunking.paramNames.totalParts] = handler._getTotalChunks(id);\n            return params;\n        }, isErrorUploadResponse = function(xhr, response) {\n            return qq.indexOf([ 200, 201, 202, 203, 204 ], xhr.status) < 0 || spec.requireSuccessJson && !response.success || response.reset;\n        }, onUploadOrChunkComplete = function(id, xhr) {\n            var response;\n            log(\"xhr - server response received for \" + id);\n            log(\"responseText = \" + xhr.responseText);\n            response = parseResponse(true, xhr);\n            return {\n                success: !isErrorUploadResponse(xhr, response),\n                response: response\n            };\n        }, parseResponse = function(upload, xhr) {\n            var response = {};\n            try {\n                log(qq.format(\"Received response status {} with body: {}\", xhr.status, xhr.responseText));\n                response = qq.parseJson(xhr.responseText);\n            } catch (error) {\n                upload && spec.requireSuccessJson && log(\"Error when attempting to parse xhr response text (\" + error.message + \")\", \"error\");\n            }\n            return response;\n        }, sendChunksCompleteRequest = function(id) {\n            var promise = new qq.Promise();\n            allChunksDoneRequester.complete(id, handler._createXhr(id), getChunksCompleteParams(id), spec.customHeaders.get(id)).then(function(xhr) {\n                promise.success(parseResponse(false, xhr), xhr);\n            }, function(xhr) {\n                promise.failure(parseResponse(false, xhr), xhr);\n            });\n            return promise;\n        }, setParamsAndGetEntityToSend = function(entityToSendParams) {\n            var fileOrBlob = entityToSendParams.fileOrBlob;\n            var id = entityToSendParams.id;\n            var xhr = entityToSendParams.xhr;\n            var xhrOverrides = entityToSendParams.xhrOverrides || {};\n            var customParams = entityToSendParams.customParams || {};\n            var defaultParams = entityToSendParams.params || {};\n            var xhrOverrideParams = xhrOverrides.params || {};\n            var params;\n            var formData = multipart ? new FormData() : null, method = xhrOverrides.method || spec.method, endpoint = xhrOverrides.endpoint || spec.endpointStore.get(id), name = getName(id), size = getSize(id);\n            if (spec.omitDefaultParams) {\n                params = qq.extend({}, customParams);\n                qq.extend(params, xhrOverrideParams);\n            } else {\n                params = qq.extend({}, customParams);\n                qq.extend(params, xhrOverrideParams);\n                qq.extend(params, defaultParams);\n                params[spec.uuidName] = getUuid(id);\n                params[spec.filenameParam] = name;\n                if (multipart) {\n                    params[spec.totalFileSizeName] = size;\n                } else if (!spec.paramsInBody) {\n                    params[spec.inputName] = name;\n                }\n            }\n            if (!spec.paramsInBody) {\n                endpoint = qq.obj2url(params, endpoint);\n            }\n            xhr.open(method, endpoint, true);\n            if (spec.cors.expected && spec.cors.sendCredentials) {\n                xhr.withCredentials = true;\n            }\n            if (multipart) {\n                if (spec.paramsInBody) {\n                    qq.obj2FormData(params, formData);\n                }\n                formData.append(spec.inputName, fileOrBlob);\n                return formData;\n            }\n            return fileOrBlob;\n        }, setUploadHeaders = function(headersOptions) {\n            var headerOverrides = headersOptions.headerOverrides;\n            var id = headersOptions.id;\n            var xhr = headersOptions.xhr;\n            if (headerOverrides) {\n                qq.each(headerOverrides, function(headerName, headerValue) {\n                    xhr.setRequestHeader(headerName, headerValue);\n                });\n            } else {\n                var extraHeaders = spec.customHeaders.get(id), fileOrBlob = handler.getFile(id);\n                xhr.setRequestHeader(\"Accept\", \"application/json\");\n                xhr.setRequestHeader(\"X-Requested-With\", \"XMLHttpRequest\");\n                xhr.setRequestHeader(\"Cache-Control\", \"no-cache\");\n                if (!multipart) {\n                    xhr.setRequestHeader(\"Content-Type\", \"application/octet-stream\");\n                    xhr.setRequestHeader(\"X-Mime-Type\", fileOrBlob.type);\n                }\n                qq.each(extraHeaders, function(name, val) {\n                    xhr.setRequestHeader(name, val);\n                });\n            }\n        };\n        qq.extend(this, {\n            uploadChunk: function(uploadChunkParams) {\n                var id = uploadChunkParams.id;\n                var chunkIdx = uploadChunkParams.chunkIdx;\n                var overrides = uploadChunkParams.overrides || {};\n                var resuming = uploadChunkParams.resuming;\n                var chunkData = handler._getChunkData(id, chunkIdx), xhr = handler._createXhr(id, chunkIdx), promise, toSend, customParams, params = {};\n                promise = createReadyStateChangedHandler(id, xhr);\n                handler._registerProgressHandler(id, chunkIdx, chunkData.size);\n                customParams = spec.paramsStore.get(id);\n                addChunkingSpecificParams(id, params, chunkData);\n                if (resuming) {\n                    params[spec.resume.paramNames.resuming] = true;\n                }\n                toSend = setParamsAndGetEntityToSend({\n                    fileOrBlob: chunkData.blob,\n                    id: id,\n                    customParams: customParams,\n                    params: params,\n                    xhr: xhr,\n                    xhrOverrides: overrides\n                });\n                setUploadHeaders({\n                    headerOverrides: overrides.headers,\n                    id: id,\n                    xhr: xhr\n                });\n                xhr.send(toSend);\n                return promise;\n            },\n            uploadFile: function(id) {\n                var fileOrBlob = handler.getFile(id), promise, xhr, customParams, toSend;\n                xhr = handler._createXhr(id);\n                handler._registerProgressHandler(id);\n                promise = createReadyStateChangedHandler(id, xhr);\n                customParams = spec.paramsStore.get(id);\n                toSend = setParamsAndGetEntityToSend({\n                    fileOrBlob: fileOrBlob,\n                    id: id,\n                    customParams: customParams,\n                    xhr: xhr\n                });\n                setUploadHeaders({\n                    id: id,\n                    xhr: xhr\n                });\n                xhr.send(toSend);\n                return promise;\n            }\n        });\n        qq.extend(this, new qq.XhrUploadHandler({\n            options: qq.extend({\n                namespace: \"traditional\"\n            }, spec),\n            proxy: qq.extend({\n                getEndpoint: spec.endpointStore.get\n            }, proxy)\n        }));\n        qq.override(this, function(super_) {\n            return {\n                finalizeChunks: function(id) {\n                    proxy.onFinalizing(id);\n                    if (spec.chunking.success.endpoint) {\n                        return sendChunksCompleteRequest(id);\n                    } else {\n                        return super_.finalizeChunks(id, qq.bind(parseResponse, this, true));\n                    }\n                }\n            };\n        });\n    };\n    qq.traditional.AllChunksDoneAjaxRequester = function(o) {\n        \"use strict\";\n        var requester, options = {\n            cors: {\n                allowXdr: false,\n                expected: false,\n                sendCredentials: false\n            },\n            endpoint: null,\n            log: function(str, level) {},\n            method: \"POST\"\n        }, promises = {}, endpointHandler = {\n            get: function(id) {\n                if (qq.isFunction(options.endpoint)) {\n                    return options.endpoint(id);\n                }\n                return options.endpoint;\n            }\n        };\n        qq.extend(options, o);\n        requester = qq.extend(this, new qq.AjaxRequester({\n            acceptHeader: \"application/json\",\n            contentType: options.jsonPayload ? \"application/json\" : \"application/x-www-form-urlencoded\",\n            validMethods: [ options.method ],\n            method: options.method,\n            endpointStore: endpointHandler,\n            allowXRequestedWithAndCacheControl: false,\n            cors: options.cors,\n            log: options.log,\n            onComplete: function(id, xhr, isError) {\n                var promise = promises[id];\n                delete promises[id];\n                if (isError) {\n                    promise.failure(xhr);\n                } else {\n                    promise.success(xhr);\n                }\n            }\n        }));\n        qq.extend(this, {\n            complete: function(id, xhr, params, headers) {\n                var promise = new qq.Promise();\n                options.log(\"Submitting All Chunks Done request for \" + id);\n                promises[id] = promise;\n                requester.initTransport(id).withParams(options.params(id) || params).withHeaders(options.headers(id) || headers).send(xhr);\n                return promise;\n            }\n        });\n    };\n    qq.DragAndDrop = function(o) {\n        \"use strict\";\n        var options, HIDE_ZONES_EVENT_NAME = \"qq-hidezones\", HIDE_BEFORE_ENTER_ATTR = \"qq-hide-dropzone\", uploadDropZones = [], droppedFiles = [], disposeSupport = new qq.DisposeSupport();\n        options = {\n            dropZoneElements: [],\n            allowMultipleItems: true,\n            classes: {\n                dropActive: null\n            },\n            callbacks: new qq.DragAndDrop.callbacks()\n        };\n        qq.extend(options, o, true);\n        function uploadDroppedFiles(files, uploadDropZone) {\n            var filesAsArray = Array.prototype.slice.call(files);\n            options.callbacks.dropLog(\"Grabbed \" + files.length + \" dropped files.\");\n            uploadDropZone.dropDisabled(false);\n            options.callbacks.processingDroppedFilesComplete(filesAsArray, uploadDropZone.getElement());\n        }\n        function traverseFileTree(entry) {\n            var parseEntryPromise = new qq.Promise();\n            if (entry.isFile) {\n                entry.file(function(file) {\n                    file.qqPath = extractDirectoryPath(entry);\n                    droppedFiles.push(file);\n                    parseEntryPromise.success();\n                }, function(fileError) {\n                    options.callbacks.dropLog(\"Problem parsing '\" + entry.fullPath + \"'.  FileError code \" + fileError.code + \".\", \"error\");\n                    parseEntryPromise.failure();\n                });\n            } else if (entry.isDirectory) {\n                getFilesInDirectory(entry).then(function allEntriesRead(entries) {\n                    var entriesLeft = entries.length;\n                    qq.each(entries, function(idx, entry) {\n                        traverseFileTree(entry).done(function() {\n                            entriesLeft -= 1;\n                            if (entriesLeft === 0) {\n                                parseEntryPromise.success();\n                            }\n                        });\n                    });\n                    if (!entries.length) {\n                        parseEntryPromise.success();\n                    }\n                }, function readFailure(fileError) {\n                    options.callbacks.dropLog(\"Problem parsing '\" + entry.fullPath + \"'.  FileError code \" + fileError.code + \".\", \"error\");\n                    parseEntryPromise.failure();\n                });\n            }\n            return parseEntryPromise;\n        }\n        function extractDirectoryPath(entry) {\n            var name = entry.name, fullPath = entry.fullPath, indexOfNameInFullPath = fullPath.lastIndexOf(name);\n            fullPath = fullPath.substr(0, indexOfNameInFullPath);\n            if (fullPath.charAt(0) === \"/\") {\n                fullPath = fullPath.substr(1);\n            }\n            return fullPath;\n        }\n        function getFilesInDirectory(entry, reader, accumEntries, existingPromise) {\n            var promise = existingPromise || new qq.Promise(), dirReader = reader || entry.createReader();\n            dirReader.readEntries(function readSuccess(entries) {\n                var newEntries = accumEntries ? accumEntries.concat(entries) : entries;\n                if (entries.length) {\n                    setTimeout(function() {\n                        getFilesInDirectory(entry, dirReader, newEntries, promise);\n                    }, 0);\n                } else {\n                    promise.success(newEntries);\n                }\n            }, promise.failure);\n            return promise;\n        }\n        function handleDataTransfer(dataTransfer, uploadDropZone) {\n            var pendingFolderPromises = [], handleDataTransferPromise = new qq.Promise();\n            options.callbacks.processingDroppedFiles();\n            uploadDropZone.dropDisabled(true);\n            if (dataTransfer.files.length > 1 && !options.allowMultipleItems) {\n                options.callbacks.processingDroppedFilesComplete([]);\n                options.callbacks.dropError(\"tooManyFilesError\", \"\");\n                uploadDropZone.dropDisabled(false);\n                handleDataTransferPromise.failure();\n            } else {\n                droppedFiles = [];\n                if (qq.isFolderDropSupported(dataTransfer)) {\n                    qq.each(dataTransfer.items, function(idx, item) {\n                        var entry = item.webkitGetAsEntry();\n                        if (entry) {\n                            if (entry.isFile) {\n                                droppedFiles.push(item.getAsFile());\n                            } else {\n                                pendingFolderPromises.push(traverseFileTree(entry).done(function() {\n                                    pendingFolderPromises.pop();\n                                    if (pendingFolderPromises.length === 0) {\n                                        handleDataTransferPromise.success();\n                                    }\n                                }));\n                            }\n                        }\n                    });\n                } else {\n                    droppedFiles = dataTransfer.files;\n                }\n                if (pendingFolderPromises.length === 0) {\n                    handleDataTransferPromise.success();\n                }\n            }\n            return handleDataTransferPromise;\n        }\n        function setupDropzone(dropArea) {\n            var dropZone = new qq.UploadDropZone({\n                HIDE_ZONES_EVENT_NAME: HIDE_ZONES_EVENT_NAME,\n                element: dropArea,\n                onEnter: function(e) {\n                    qq(dropArea).addClass(options.classes.dropActive);\n                    e.stopPropagation();\n                },\n                onLeaveNotDescendants: function(e) {\n                    qq(dropArea).removeClass(options.classes.dropActive);\n                },\n                onDrop: function(e) {\n                    handleDataTransfer(e.dataTransfer, dropZone).then(function() {\n                        uploadDroppedFiles(droppedFiles, dropZone);\n                    }, function() {\n                        options.callbacks.dropLog(\"Drop event DataTransfer parsing failed.  No files will be uploaded.\", \"error\");\n                    });\n                }\n            });\n            disposeSupport.addDisposer(function() {\n                dropZone.dispose();\n            });\n            qq(dropArea).hasAttribute(HIDE_BEFORE_ENTER_ATTR) && qq(dropArea).hide();\n            uploadDropZones.push(dropZone);\n            return dropZone;\n        }\n        function isFileDrag(dragEvent) {\n            var fileDrag;\n            qq.each(dragEvent.dataTransfer.types, function(key, val) {\n                if (val === \"Files\") {\n                    fileDrag = true;\n                    return false;\n                }\n            });\n            return fileDrag;\n        }\n        function leavingDocumentOut(e) {\n            if (qq.safari()) {\n                return e.x < 0 || e.y < 0;\n            }\n            return e.x === 0 && e.y === 0;\n        }\n        function setupDragDrop() {\n            var dropZones = options.dropZoneElements, maybeHideDropZones = function() {\n                setTimeout(function() {\n                    qq.each(dropZones, function(idx, dropZone) {\n                        qq(dropZone).hasAttribute(HIDE_BEFORE_ENTER_ATTR) && qq(dropZone).hide();\n                        qq(dropZone).removeClass(options.classes.dropActive);\n                    });\n                }, 10);\n            };\n            qq.each(dropZones, function(idx, dropZone) {\n                var uploadDropZone = setupDropzone(dropZone);\n                if (dropZones.length && qq.supportedFeatures.fileDrop) {\n                    disposeSupport.attach(document, \"dragenter\", function(e) {\n                        if (!uploadDropZone.dropDisabled() && isFileDrag(e)) {\n                            qq.each(dropZones, function(idx, dropZone) {\n                                if (dropZone instanceof HTMLElement && qq(dropZone).hasAttribute(HIDE_BEFORE_ENTER_ATTR)) {\n                                    qq(dropZone).css({\n                                        display: \"block\"\n                                    });\n                                }\n                            });\n                        }\n                    });\n                }\n            });\n            disposeSupport.attach(document, \"dragleave\", function(e) {\n                if (leavingDocumentOut(e)) {\n                    maybeHideDropZones();\n                }\n            });\n            disposeSupport.attach(qq(document).children()[0], \"mouseenter\", function(e) {\n                maybeHideDropZones();\n            });\n            disposeSupport.attach(document, \"drop\", function(e) {\n                if (isFileDrag(e)) {\n                    e.preventDefault();\n                    maybeHideDropZones();\n                }\n            });\n            disposeSupport.attach(document, HIDE_ZONES_EVENT_NAME, maybeHideDropZones);\n        }\n        setupDragDrop();\n        qq.extend(this, {\n            setupExtraDropzone: function(element) {\n                options.dropZoneElements.push(element);\n                setupDropzone(element);\n            },\n            removeDropzone: function(element) {\n                var i, dzs = options.dropZoneElements;\n                for (i in dzs) {\n                    if (dzs[i] === element) {\n                        return dzs.splice(i, 1);\n                    }\n                }\n            },\n            dispose: function() {\n                disposeSupport.dispose();\n                qq.each(uploadDropZones, function(idx, dropZone) {\n                    dropZone.dispose();\n                });\n            }\n        });\n        this._testing = {};\n        this._testing.extractDirectoryPath = extractDirectoryPath;\n    };\n    qq.DragAndDrop.callbacks = function() {\n        \"use strict\";\n        return {\n            processingDroppedFiles: function() {},\n            processingDroppedFilesComplete: function(files, targetEl) {},\n            dropError: function(code, errorSpecifics) {\n                qq.log(\"Drag & drop error code '\" + code + \" with these specifics: '\" + errorSpecifics + \"'\", \"error\");\n            },\n            dropLog: function(message, level) {\n                qq.log(message, level);\n            }\n        };\n    };\n    qq.UploadDropZone = function(o) {\n        \"use strict\";\n        var disposeSupport = new qq.DisposeSupport(), options, element, preventDrop, dropOutsideDisabled;\n        options = {\n            element: null,\n            onEnter: function(e) {},\n            onLeave: function(e) {},\n            onLeaveNotDescendants: function(e) {},\n            onDrop: function(e) {}\n        };\n        qq.extend(options, o);\n        element = options.element;\n        function dragoverShouldBeCanceled() {\n            return qq.safari() || qq.firefox() && qq.windows();\n        }\n        function disableDropOutside(e) {\n            if (!dropOutsideDisabled) {\n                if (dragoverShouldBeCanceled) {\n                    disposeSupport.attach(document, \"dragover\", function(e) {\n                        e.preventDefault();\n                    });\n                } else {\n                    disposeSupport.attach(document, \"dragover\", function(e) {\n                        if (e.dataTransfer) {\n                            e.dataTransfer.dropEffect = \"none\";\n                            e.preventDefault();\n                        }\n                    });\n                }\n                dropOutsideDisabled = true;\n            }\n        }\n        function isValidFileDrag(e) {\n            if (!qq.supportedFeatures.fileDrop) {\n                return false;\n            }\n            var effectTest, dt = e.dataTransfer, isSafari = qq.safari();\n            effectTest = qq.ie() && qq.supportedFeatures.fileDrop ? true : dt.effectAllowed !== \"none\";\n            return dt && effectTest && (dt.files && dt.files.length || !isSafari && dt.types.contains && dt.types.contains(\"Files\") || dt.types.includes && dt.types.includes(\"Files\"));\n        }\n        function isOrSetDropDisabled(isDisabled) {\n            if (isDisabled !== undefined) {\n                preventDrop = isDisabled;\n            }\n            return preventDrop;\n        }\n        function triggerHidezonesEvent() {\n            var hideZonesEvent;\n            function triggerUsingOldApi() {\n                hideZonesEvent = document.createEvent(\"Event\");\n                hideZonesEvent.initEvent(options.HIDE_ZONES_EVENT_NAME, true, true);\n            }\n            if (window.CustomEvent) {\n                try {\n                    hideZonesEvent = new CustomEvent(options.HIDE_ZONES_EVENT_NAME);\n                } catch (err) {\n                    triggerUsingOldApi();\n                }\n            } else {\n                triggerUsingOldApi();\n            }\n            document.dispatchEvent(hideZonesEvent);\n        }\n        function attachEvents() {\n            disposeSupport.attach(element, \"dragover\", function(e) {\n                if (!isValidFileDrag(e)) {\n                    return;\n                }\n                var effect = qq.ie() && qq.supportedFeatures.fileDrop ? null : e.dataTransfer.effectAllowed;\n                if (effect === \"move\" || effect === \"linkMove\") {\n                    e.dataTransfer.dropEffect = \"move\";\n                } else {\n                    e.dataTransfer.dropEffect = \"copy\";\n                }\n                e.stopPropagation();\n                e.preventDefault();\n            });\n            disposeSupport.attach(element, \"dragenter\", function(e) {\n                if (!isOrSetDropDisabled()) {\n                    if (!isValidFileDrag(e)) {\n                        return;\n                    }\n                    options.onEnter(e);\n                }\n            });\n            disposeSupport.attach(element, \"dragleave\", function(e) {\n                if (!isValidFileDrag(e)) {\n                    return;\n                }\n                options.onLeave(e);\n                var relatedTarget = document.elementFromPoint(e.clientX, e.clientY);\n                if (qq(this).contains(relatedTarget)) {\n                    return;\n                }\n                options.onLeaveNotDescendants(e);\n            });\n            disposeSupport.attach(element, \"drop\", function(e) {\n                if (!isOrSetDropDisabled()) {\n                    if (!isValidFileDrag(e)) {\n                        return;\n                    }\n                    e.preventDefault();\n                    e.stopPropagation();\n                    options.onDrop(e);\n                    triggerHidezonesEvent();\n                }\n            });\n        }\n        disableDropOutside();\n        attachEvents();\n        qq.extend(this, {\n            dropDisabled: function(isDisabled) {\n                return isOrSetDropDisabled(isDisabled);\n            },\n            dispose: function() {\n                disposeSupport.dispose();\n            },\n            getElement: function() {\n                return element;\n            }\n        });\n        this._testing = {};\n        this._testing.isValidFileDrag = isValidFileDrag;\n    };\n    (function() {\n        \"use strict\";\n        qq.uiPublicApi = {\n            addInitialFiles: function(cannedFileList) {\n                this._parent.prototype.addInitialFiles.apply(this, arguments);\n                this._templating.addCacheToDom();\n            },\n            clearStoredFiles: function() {\n                this._parent.prototype.clearStoredFiles.apply(this, arguments);\n                this._templating.clearFiles();\n            },\n            addExtraDropzone: function(element) {\n                this._dnd && this._dnd.setupExtraDropzone(element);\n            },\n            removeExtraDropzone: function(element) {\n                if (this._dnd) {\n                    return this._dnd.removeDropzone(element);\n                }\n            },\n            getItemByFileId: function(id) {\n                if (!this._templating.isHiddenForever(id)) {\n                    return this._templating.getFileContainer(id);\n                }\n            },\n            reset: function() {\n                this._parent.prototype.reset.apply(this, arguments);\n                this._templating.reset();\n                if (!this._options.button && this._templating.getButton()) {\n                    this._defaultButtonId = this._createUploadButton({\n                        element: this._templating.getButton(),\n                        title: this._options.text.fileInputTitle\n                    }).getButtonId();\n                }\n                if (this._dnd) {\n                    this._dnd.dispose();\n                    this._dnd = this._setupDragAndDrop();\n                }\n                this._totalFilesInBatch = 0;\n                this._filesInBatchAddedToUi = 0;\n                this._setupClickAndEditEventHandlers();\n            },\n            setName: function(id, newName) {\n                var formattedFilename = this._options.formatFileName(newName);\n                this._parent.prototype.setName.apply(this, arguments);\n                this._templating.updateFilename(id, formattedFilename);\n            },\n            pauseUpload: function(id) {\n                var paused = this._parent.prototype.pauseUpload.apply(this, arguments);\n                paused && this._templating.uploadPaused(id);\n                return paused;\n            },\n            continueUpload: function(id) {\n                var continued = this._parent.prototype.continueUpload.apply(this, arguments);\n                continued && this._templating.uploadContinued(id);\n                return continued;\n            },\n            getId: function(fileContainerOrChildEl) {\n                return this._templating.getFileId(fileContainerOrChildEl);\n            },\n            getDropTarget: function(fileId) {\n                var file = this.getFile(fileId);\n                return file.qqDropTarget;\n            }\n        };\n        qq.uiPrivateApi = {\n            _getButton: function(buttonId) {\n                var button = this._parent.prototype._getButton.apply(this, arguments);\n                if (!button) {\n                    if (buttonId === this._defaultButtonId) {\n                        button = this._templating.getButton();\n                    }\n                }\n                return button;\n            },\n            _removeFileItem: function(fileId) {\n                this._templating.removeFile(fileId);\n            },\n            _setupClickAndEditEventHandlers: function() {\n                this._fileButtonsClickHandler = qq.FileButtonsClickHandler && this._bindFileButtonsClickEvent();\n                this._focusinEventSupported = !qq.firefox();\n                if (this._isEditFilenameEnabled()) {\n                    this._filenameClickHandler = this._bindFilenameClickEvent();\n                    this._filenameInputFocusInHandler = this._bindFilenameInputFocusInEvent();\n                    this._filenameInputFocusHandler = this._bindFilenameInputFocusEvent();\n                }\n            },\n            _setupDragAndDrop: function() {\n                var self = this, dropZoneElements = this._options.dragAndDrop.extraDropzones, templating = this._templating, defaultDropZone = templating.getDropZone();\n                defaultDropZone && dropZoneElements.push(defaultDropZone);\n                return new qq.DragAndDrop({\n                    dropZoneElements: dropZoneElements,\n                    allowMultipleItems: this._options.multiple,\n                    classes: {\n                        dropActive: this._options.classes.dropActive\n                    },\n                    callbacks: {\n                        processingDroppedFiles: function() {\n                            templating.showDropProcessing();\n                        },\n                        processingDroppedFilesComplete: function(files, targetEl) {\n                            templating.hideDropProcessing();\n                            qq.each(files, function(idx, file) {\n                                file.qqDropTarget = targetEl;\n                            });\n                            if (files.length) {\n                                self.addFiles(files, null, null);\n                            }\n                        },\n                        dropError: function(code, errorData) {\n                            self._itemError(code, errorData);\n                        },\n                        dropLog: function(message, level) {\n                            self.log(message, level);\n                        }\n                    }\n                });\n            },\n            _bindFileButtonsClickEvent: function() {\n                var self = this;\n                return new qq.FileButtonsClickHandler({\n                    templating: this._templating,\n                    log: function(message, lvl) {\n                        self.log(message, lvl);\n                    },\n                    onDeleteFile: function(fileId) {\n                        self.deleteFile(fileId);\n                    },\n                    onCancel: function(fileId) {\n                        self.cancel(fileId);\n                    },\n                    onRetry: function(fileId) {\n                        self.retry(fileId);\n                    },\n                    onPause: function(fileId) {\n                        self.pauseUpload(fileId);\n                    },\n                    onContinue: function(fileId) {\n                        self.continueUpload(fileId);\n                    },\n                    onGetName: function(fileId) {\n                        return self.getName(fileId);\n                    }\n                });\n            },\n            _isEditFilenameEnabled: function() {\n                return this._templating.isEditFilenamePossible() && !this._options.autoUpload && qq.FilenameClickHandler && qq.FilenameInputFocusHandler && qq.FilenameInputFocusHandler;\n            },\n            _filenameEditHandler: function() {\n                var self = this, templating = this._templating;\n                return {\n                    templating: templating,\n                    log: function(message, lvl) {\n                        self.log(message, lvl);\n                    },\n                    onGetUploadStatus: function(fileId) {\n                        return self.getUploads({\n                            id: fileId\n                        }).status;\n                    },\n                    onGetName: function(fileId) {\n                        return self.getName(fileId);\n                    },\n                    onSetName: function(id, newName) {\n                        self.setName(id, newName);\n                    },\n                    onEditingStatusChange: function(id, isEditing) {\n                        var qqInput = qq(templating.getEditInput(id)), qqFileContainer = qq(templating.getFileContainer(id));\n                        if (isEditing) {\n                            qqInput.addClass(\"qq-editing\");\n                            templating.hideFilename(id);\n                            templating.hideEditIcon(id);\n                        } else {\n                            qqInput.removeClass(\"qq-editing\");\n                            templating.showFilename(id);\n                            templating.showEditIcon(id);\n                        }\n                        qqFileContainer.addClass(\"qq-temp\").removeClass(\"qq-temp\");\n                    }\n                };\n            },\n            _onUploadStatusChange: function(id, oldStatus, newStatus) {\n                this._parent.prototype._onUploadStatusChange.apply(this, arguments);\n                if (this._isEditFilenameEnabled()) {\n                    if (this._templating.getFileContainer(id) && newStatus !== qq.status.SUBMITTED) {\n                        this._templating.markFilenameEditable(id);\n                        this._templating.hideEditIcon(id);\n                    }\n                }\n                if (oldStatus === qq.status.UPLOAD_RETRYING && newStatus === qq.status.UPLOADING) {\n                    this._templating.hideRetry(id);\n                    this._templating.setStatusText(id);\n                    qq(this._templating.getFileContainer(id)).removeClass(this._classes.retrying);\n                } else if (newStatus === qq.status.UPLOAD_FAILED) {\n                    this._templating.hidePause(id);\n                }\n            },\n            _bindFilenameInputFocusInEvent: function() {\n                var spec = qq.extend({}, this._filenameEditHandler());\n                return new qq.FilenameInputFocusInHandler(spec);\n            },\n            _bindFilenameInputFocusEvent: function() {\n                var spec = qq.extend({}, this._filenameEditHandler());\n                return new qq.FilenameInputFocusHandler(spec);\n            },\n            _bindFilenameClickEvent: function() {\n                var spec = qq.extend({}, this._filenameEditHandler());\n                return new qq.FilenameClickHandler(spec);\n            },\n            _storeForLater: function(id) {\n                this._parent.prototype._storeForLater.apply(this, arguments);\n                this._templating.hideSpinner(id);\n            },\n            _onAllComplete: function(successful, failed) {\n                this._parent.prototype._onAllComplete.apply(this, arguments);\n                this._templating.resetTotalProgress();\n            },\n            _onSubmit: function(id, name) {\n                var file = this.getFile(id);\n                if (file && file.qqPath && this._options.dragAndDrop.reportDirectoryPaths) {\n                    this._paramsStore.addReadOnly(id, {\n                        qqpath: file.qqPath\n                    });\n                }\n                this._parent.prototype._onSubmit.apply(this, arguments);\n                this._addToList(id, name);\n            },\n            _onSubmitted: function(id) {\n                if (this._isEditFilenameEnabled()) {\n                    this._templating.markFilenameEditable(id);\n                    this._templating.showEditIcon(id);\n                    if (!this._focusinEventSupported) {\n                        this._filenameInputFocusHandler.addHandler(this._templating.getEditInput(id));\n                    }\n                }\n            },\n            _onProgress: function(id, name, loaded, total) {\n                this._parent.prototype._onProgress.apply(this, arguments);\n                this._templating.updateProgress(id, loaded, total);\n                if (total === 0 || Math.round(loaded / total * 100) === 100) {\n                    this._templating.hideCancel(id);\n                    this._templating.hidePause(id);\n                    this._templating.hideProgress(id);\n                    this._templating.setStatusText(id, this._options.text.waitingForResponse);\n                    this._displayFileSize(id);\n                } else {\n                    this._displayFileSize(id, loaded, total);\n                }\n            },\n            _onTotalProgress: function(loaded, total) {\n                this._parent.prototype._onTotalProgress.apply(this, arguments);\n                this._templating.updateTotalProgress(loaded, total);\n            },\n            _onComplete: function(id, name, result, xhr) {\n                var parentRetVal = this._parent.prototype._onComplete.apply(this, arguments), templating = this._templating, fileContainer = templating.getFileContainer(id), self = this;\n                function completeUpload(result) {\n                    if (!fileContainer) {\n                        return;\n                    }\n                    templating.setStatusText(id);\n                    qq(fileContainer).removeClass(self._classes.retrying);\n                    templating.hideProgress(id);\n                    if (self.getUploads({\n                        id: id\n                    }).status !== qq.status.UPLOAD_FAILED) {\n                        templating.hideCancel(id);\n                    }\n                    templating.hideSpinner(id);\n                    if (result.success) {\n                        self._markFileAsSuccessful(id);\n                    } else {\n                        qq(fileContainer).addClass(self._classes.fail);\n                        templating.showCancel(id);\n                        if (templating.isRetryPossible() && !self._preventRetries[id]) {\n                            qq(fileContainer).addClass(self._classes.retryable);\n                            templating.showRetry(id);\n                        }\n                        self._controlFailureTextDisplay(id, result);\n                    }\n                }\n                if (parentRetVal instanceof qq.Promise) {\n                    parentRetVal.done(function(newResult) {\n                        completeUpload(newResult);\n                    });\n                } else {\n                    completeUpload(result);\n                }\n                return parentRetVal;\n            },\n            _markFileAsSuccessful: function(id) {\n                var templating = this._templating;\n                if (this._isDeletePossible()) {\n                    templating.showDeleteButton(id);\n                }\n                qq(templating.getFileContainer(id)).addClass(this._classes.success);\n                this._maybeUpdateThumbnail(id);\n            },\n            _onUploadPrep: function(id) {\n                this._parent.prototype._onUploadPrep.apply(this, arguments);\n                this._templating.showSpinner(id);\n            },\n            _onUpload: function(id, name) {\n                var parentRetVal = this._parent.prototype._onUpload.apply(this, arguments);\n                this._templating.showSpinner(id);\n                return parentRetVal;\n            },\n            _onUploadChunk: function(id, chunkData) {\n                this._parent.prototype._onUploadChunk.apply(this, arguments);\n                if (chunkData.partIndex > 0 && this._handler.isResumable(id)) {\n                    this._templating.allowPause(id);\n                }\n            },\n            _onCancel: function(id, name) {\n                this._parent.prototype._onCancel.apply(this, arguments);\n                this._removeFileItem(id);\n                if (this._getNotFinished() === 0) {\n                    this._templating.resetTotalProgress();\n                }\n            },\n            _onBeforeAutoRetry: function(id) {\n                var retryNumForDisplay, maxAuto, retryNote;\n                this._parent.prototype._onBeforeAutoRetry.apply(this, arguments);\n                this._showCancelLink(id);\n                if (this._options.retry.showAutoRetryNote) {\n                    retryNumForDisplay = this._autoRetries[id];\n                    maxAuto = this._options.retry.maxAutoAttempts;\n                    retryNote = this._options.retry.autoRetryNote.replace(/\\{retryNum\\}/g, retryNumForDisplay);\n                    retryNote = retryNote.replace(/\\{maxAuto\\}/g, maxAuto);\n                    this._templating.setStatusText(id, retryNote);\n                    qq(this._templating.getFileContainer(id)).addClass(this._classes.retrying);\n                }\n            },\n            _onBeforeManualRetry: function(id) {\n                if (this._parent.prototype._onBeforeManualRetry.apply(this, arguments)) {\n                    this._templating.resetProgress(id);\n                    qq(this._templating.getFileContainer(id)).removeClass(this._classes.fail);\n                    this._templating.setStatusText(id);\n                    this._templating.showSpinner(id);\n                    this._showCancelLink(id);\n                    return true;\n                } else {\n                    qq(this._templating.getFileContainer(id)).addClass(this._classes.retryable);\n                    this._templating.showRetry(id);\n                    return false;\n                }\n            },\n            _onSubmitDelete: function(id) {\n                var onSuccessCallback = qq.bind(this._onSubmitDeleteSuccess, this);\n                this._parent.prototype._onSubmitDelete.call(this, id, onSuccessCallback);\n            },\n            _onSubmitDeleteSuccess: function(id, uuid, additionalMandatedParams) {\n                if (this._options.deleteFile.forceConfirm) {\n                    this._showDeleteConfirm.apply(this, arguments);\n                } else {\n                    this._sendDeleteRequest.apply(this, arguments);\n                }\n            },\n            _onDeleteComplete: function(id, xhr, isError) {\n                this._parent.prototype._onDeleteComplete.apply(this, arguments);\n                this._templating.hideSpinner(id);\n                if (isError) {\n                    this._templating.setStatusText(id, this._options.deleteFile.deletingFailedText);\n                    this._templating.showDeleteButton(id);\n                } else {\n                    this._removeFileItem(id);\n                }\n            },\n            _sendDeleteRequest: function(id, uuid, additionalMandatedParams) {\n                this._templating.hideDeleteButton(id);\n                this._templating.showSpinner(id);\n                this._templating.setStatusText(id, this._options.deleteFile.deletingStatusText);\n                this._deleteHandler.sendDelete.apply(this, arguments);\n            },\n            _showDeleteConfirm: function(id, uuid, mandatedParams) {\n                var fileName = this.getName(id), confirmMessage = this._options.deleteFile.confirmMessage.replace(/\\{filename\\}/g, fileName), uuid = this.getUuid(id), deleteRequestArgs = arguments, self = this, retVal;\n                retVal = this._options.showConfirm(confirmMessage);\n                if (qq.isGenericPromise(retVal)) {\n                    retVal.then(function() {\n                        self._sendDeleteRequest.apply(self, deleteRequestArgs);\n                    });\n                } else if (retVal !== false) {\n                    self._sendDeleteRequest.apply(self, deleteRequestArgs);\n                }\n            },\n            _addToList: function(id, name, canned) {\n                var prependData, prependIndex = 0, dontDisplay = this._handler.isProxied(id) && this._options.scaling.hideScaled, record;\n                if (this._options.display.prependFiles) {\n                    if (this._totalFilesInBatch > 1 && this._filesInBatchAddedToUi > 0) {\n                        prependIndex = this._filesInBatchAddedToUi - 1;\n                    }\n                    prependData = {\n                        index: prependIndex\n                    };\n                }\n                if (!canned) {\n                    if (this._options.disableCancelForFormUploads && !qq.supportedFeatures.ajaxUploading) {\n                        this._templating.disableCancel();\n                    }\n                    if (!this._options.multiple) {\n                        record = this.getUploads({\n                            id: id\n                        });\n                        this._handledProxyGroup = this._handledProxyGroup || record.proxyGroupId;\n                        if (record.proxyGroupId !== this._handledProxyGroup || !record.proxyGroupId) {\n                            this._handler.cancelAll();\n                            this._clearList();\n                            this._handledProxyGroup = null;\n                        }\n                    }\n                }\n                if (canned) {\n                    this._templating.addFileToCache(id, this._options.formatFileName(name), prependData, dontDisplay);\n                    this._templating.updateThumbnail(id, this._thumbnailUrls[id], true, this._options.thumbnails.customResizer);\n                } else {\n                    this._templating.addFile(id, this._options.formatFileName(name), prependData, dontDisplay);\n                    this._templating.generatePreview(id, this.getFile(id), this._options.thumbnails.customResizer);\n                }\n                this._filesInBatchAddedToUi += 1;\n                if (canned || this._options.display.fileSizeOnSubmit && qq.supportedFeatures.ajaxUploading) {\n                    this._displayFileSize(id);\n                }\n            },\n            _clearList: function() {\n                this._templating.clearFiles();\n                this.clearStoredFiles();\n            },\n            _displayFileSize: function(id, loadedSize, totalSize) {\n                var size = this.getSize(id), sizeForDisplay = this._formatSize(size);\n                if (size >= 0) {\n                    if (loadedSize !== undefined && totalSize !== undefined) {\n                        sizeForDisplay = this._formatProgress(loadedSize, totalSize);\n                    }\n                    this._templating.updateSize(id, sizeForDisplay);\n                }\n            },\n            _formatProgress: function(uploadedSize, totalSize) {\n                var message = this._options.text.formatProgress;\n                function r(name, replacement) {\n                    message = message.replace(name, replacement);\n                }\n                r(\"{percent}\", Math.round(uploadedSize / totalSize * 100));\n                r(\"{total_size}\", this._formatSize(totalSize));\n                return message;\n            },\n            _controlFailureTextDisplay: function(id, response) {\n                var mode, responseProperty, failureReason;\n                mode = this._options.failedUploadTextDisplay.mode;\n                responseProperty = this._options.failedUploadTextDisplay.responseProperty;\n                if (mode === \"custom\") {\n                    failureReason = response[responseProperty];\n                    if (!failureReason) {\n                        failureReason = this._options.text.failUpload;\n                    }\n                    this._templating.setStatusText(id, failureReason);\n                    if (this._options.failedUploadTextDisplay.enableTooltip) {\n                        this._showTooltip(id, failureReason);\n                    }\n                } else if (mode === \"default\") {\n                    this._templating.setStatusText(id, this._options.text.failUpload);\n                } else if (mode !== \"none\") {\n                    this.log(\"failedUploadTextDisplay.mode value of '\" + mode + \"' is not valid\", \"warn\");\n                }\n            },\n            _showTooltip: function(id, text) {\n                this._templating.getFileContainer(id).title = text;\n            },\n            _showCancelLink: function(id) {\n                if (!this._options.disableCancelForFormUploads || qq.supportedFeatures.ajaxUploading) {\n                    this._templating.showCancel(id);\n                }\n            },\n            _itemError: function(code, name, item) {\n                var message = this._parent.prototype._itemError.apply(this, arguments);\n                this._options.showMessage(message);\n            },\n            _batchError: function(message) {\n                this._parent.prototype._batchError.apply(this, arguments);\n                this._options.showMessage(message);\n            },\n            _setupPastePrompt: function() {\n                var self = this;\n                this._options.callbacks.onPasteReceived = function() {\n                    var message = self._options.paste.namePromptMessage, defaultVal = self._options.paste.defaultName;\n                    return self._options.showPrompt(message, defaultVal);\n                };\n            },\n            _fileOrBlobRejected: function(id, name) {\n                this._totalFilesInBatch -= 1;\n                this._parent.prototype._fileOrBlobRejected.apply(this, arguments);\n            },\n            _prepareItemsForUpload: function(items, params, endpoint) {\n                this._totalFilesInBatch = items.length;\n                this._filesInBatchAddedToUi = 0;\n                this._parent.prototype._prepareItemsForUpload.apply(this, arguments);\n            },\n            _maybeUpdateThumbnail: function(fileId) {\n                var thumbnailUrl = this._thumbnailUrls[fileId], fileStatus = this.getUploads({\n                    id: fileId\n                }).status;\n                if (fileStatus !== qq.status.DELETED && (thumbnailUrl || this._options.thumbnails.placeholders.waitUntilResponse || !qq.supportedFeatures.imagePreviews)) {\n                    this._templating.updateThumbnail(fileId, thumbnailUrl, this._options.thumbnails.customResizer);\n                }\n            },\n            _addCannedFile: function(sessionData) {\n                var id = this._parent.prototype._addCannedFile.apply(this, arguments);\n                this._addToList(id, this.getName(id), true);\n                this._templating.hideSpinner(id);\n                this._templating.hideCancel(id);\n                this._markFileAsSuccessful(id);\n                return id;\n            },\n            _setSize: function(id, newSize) {\n                this._parent.prototype._setSize.apply(this, arguments);\n                this._templating.updateSize(id, this._formatSize(newSize));\n            },\n            _sessionRequestComplete: function() {\n                this._templating.addCacheToDom();\n                this._parent.prototype._sessionRequestComplete.apply(this, arguments);\n            }\n        };\n    })();\n    qq.FineUploader = function(o, namespace) {\n        \"use strict\";\n        var self = this;\n        this._parent = namespace ? qq[namespace].FineUploaderBasic : qq.FineUploaderBasic;\n        this._parent.apply(this, arguments);\n        qq.extend(this._options, {\n            element: null,\n            button: null,\n            listElement: null,\n            dragAndDrop: {\n                extraDropzones: [],\n                reportDirectoryPaths: false\n            },\n            text: {\n                formatProgress: \"{percent}% of {total_size}\",\n                failUpload: \"Upload failed\",\n                waitingForResponse: \"Processing...\",\n                paused: \"Paused\"\n            },\n            template: \"qq-template\",\n            classes: {\n                retrying: \"qq-upload-retrying\",\n                retryable: \"qq-upload-retryable\",\n                success: \"qq-upload-success\",\n                fail: \"qq-upload-fail\",\n                editable: \"qq-editable\",\n                hide: \"qq-hide\",\n                dropActive: \"qq-upload-drop-area-active\"\n            },\n            failedUploadTextDisplay: {\n                mode: \"default\",\n                responseProperty: \"error\",\n                enableTooltip: true\n            },\n            messages: {\n                tooManyFilesError: \"You may only drop one file\",\n                unsupportedBrowser: \"Unrecoverable error - this browser does not permit file uploading of any kind.\"\n            },\n            retry: {\n                showAutoRetryNote: true,\n                autoRetryNote: \"Retrying {retryNum}/{maxAuto}...\"\n            },\n            deleteFile: {\n                forceConfirm: false,\n                confirmMessage: \"Are you sure you want to delete {filename}?\",\n                deletingStatusText: \"Deleting...\",\n                deletingFailedText: \"Delete failed\"\n            },\n            display: {\n                fileSizeOnSubmit: false,\n                prependFiles: false\n            },\n            paste: {\n                promptForName: false,\n                namePromptMessage: \"Please name this image\"\n            },\n            thumbnails: {\n                customResizer: null,\n                maxCount: 0,\n                placeholders: {\n                    waitUntilResponse: false,\n                    notAvailablePath: null,\n                    waitingPath: null\n                },\n                timeBetweenThumbs: 750\n            },\n            scaling: {\n                hideScaled: false\n            },\n            showMessage: function(message) {\n                if (self._templating.hasDialog(\"alert\")) {\n                    return self._templating.showDialog(\"alert\", message);\n                } else {\n                    setTimeout(function() {\n                        window.alert(message);\n                    }, 0);\n                }\n            },\n            showConfirm: function(message) {\n                if (self._templating.hasDialog(\"confirm\")) {\n                    return self._templating.showDialog(\"confirm\", message);\n                } else {\n                    return window.confirm(message);\n                }\n            },\n            showPrompt: function(message, defaultValue) {\n                if (self._templating.hasDialog(\"prompt\")) {\n                    return self._templating.showDialog(\"prompt\", message, defaultValue);\n                } else {\n                    return window.prompt(message, defaultValue);\n                }\n            }\n        }, true);\n        qq.extend(this._options, o, true);\n        this._templating = new qq.Templating({\n            log: qq.bind(this.log, this),\n            templateIdOrEl: this._options.template,\n            containerEl: this._options.element,\n            fileContainerEl: this._options.listElement,\n            button: this._options.button,\n            imageGenerator: this._imageGenerator,\n            classes: {\n                hide: this._options.classes.hide,\n                editable: this._options.classes.editable\n            },\n            limits: {\n                maxThumbs: this._options.thumbnails.maxCount,\n                timeBetweenThumbs: this._options.thumbnails.timeBetweenThumbs\n            },\n            placeholders: {\n                waitUntilUpdate: this._options.thumbnails.placeholders.waitUntilResponse,\n                thumbnailNotAvailable: this._options.thumbnails.placeholders.notAvailablePath,\n                waitingForThumbnail: this._options.thumbnails.placeholders.waitingPath\n            },\n            text: this._options.text\n        });\n        if (this._options.workarounds.ios8SafariUploads && qq.ios800() && qq.iosSafari()) {\n            this._templating.renderFailure(this._options.messages.unsupportedBrowserIos8Safari);\n        } else if (!qq.supportedFeatures.uploading || this._options.cors.expected && !qq.supportedFeatures.uploadCors) {\n            this._templating.renderFailure(this._options.messages.unsupportedBrowser);\n        } else {\n            this._wrapCallbacks();\n            this._templating.render();\n            this._classes = this._options.classes;\n            if (!this._options.button && this._templating.getButton()) {\n                this._defaultButtonId = this._createUploadButton({\n                    element: this._templating.getButton(),\n                    title: this._options.text.fileInputTitle\n                }).getButtonId();\n            }\n            this._setupClickAndEditEventHandlers();\n            if (qq.DragAndDrop && qq.supportedFeatures.fileDrop) {\n                this._dnd = this._setupDragAndDrop();\n            }\n            if (this._options.paste.targetElement && this._options.paste.promptForName) {\n                if (qq.PasteSupport) {\n                    this._setupPastePrompt();\n                } else {\n                    this.log(\"Paste support module not found.\", \"error\");\n                }\n            }\n            this._totalFilesInBatch = 0;\n            this._filesInBatchAddedToUi = 0;\n        }\n    };\n    qq.extend(qq.FineUploader.prototype, qq.basePublicApi);\n    qq.extend(qq.FineUploader.prototype, qq.basePrivateApi);\n    qq.extend(qq.FineUploader.prototype, qq.uiPublicApi);\n    qq.extend(qq.FineUploader.prototype, qq.uiPrivateApi);\n    qq.Templating = function(spec) {\n        \"use strict\";\n        var FILE_ID_ATTR = \"qq-file-id\", FILE_CLASS_PREFIX = \"qq-file-id-\", THUMBNAIL_MAX_SIZE_ATTR = \"qq-max-size\", THUMBNAIL_SERVER_SCALE_ATTR = \"qq-server-scale\", HIDE_DROPZONE_ATTR = \"qq-hide-dropzone\", DROPZPONE_TEXT_ATTR = \"qq-drop-area-text\", IN_PROGRESS_CLASS = \"qq-in-progress\", HIDDEN_FOREVER_CLASS = \"qq-hidden-forever\", fileBatch = {\n            content: document.createDocumentFragment(),\n            map: {}\n        }, isCancelDisabled = false, generatedThumbnails = 0, thumbnailQueueMonitorRunning = false, thumbGenerationQueue = [], thumbnailMaxSize = -1, options = {\n            log: null,\n            limits: {\n                maxThumbs: 0,\n                timeBetweenThumbs: 750\n            },\n            templateIdOrEl: \"qq-template\",\n            containerEl: null,\n            fileContainerEl: null,\n            button: null,\n            imageGenerator: null,\n            classes: {\n                hide: \"qq-hide\",\n                editable: \"qq-editable\"\n            },\n            placeholders: {\n                waitUntilUpdate: false,\n                thumbnailNotAvailable: null,\n                waitingForThumbnail: null\n            },\n            text: {\n                paused: \"Paused\"\n            }\n        }, selectorClasses = {\n            button: \"qq-upload-button-selector\",\n            alertDialog: \"qq-alert-dialog-selector\",\n            dialogCancelButton: \"qq-cancel-button-selector\",\n            confirmDialog: \"qq-confirm-dialog-selector\",\n            dialogMessage: \"qq-dialog-message-selector\",\n            dialogOkButton: \"qq-ok-button-selector\",\n            promptDialog: \"qq-prompt-dialog-selector\",\n            uploader: \"qq-uploader-selector\",\n            drop: \"qq-upload-drop-area-selector\",\n            list: \"qq-upload-list-selector\",\n            progressBarContainer: \"qq-progress-bar-container-selector\",\n            progressBar: \"qq-progress-bar-selector\",\n            totalProgressBarContainer: \"qq-total-progress-bar-container-selector\",\n            totalProgressBar: \"qq-total-progress-bar-selector\",\n            file: \"qq-upload-file-selector\",\n            spinner: \"qq-upload-spinner-selector\",\n            size: \"qq-upload-size-selector\",\n            cancel: \"qq-upload-cancel-selector\",\n            pause: \"qq-upload-pause-selector\",\n            continueButton: \"qq-upload-continue-selector\",\n            deleteButton: \"qq-upload-delete-selector\",\n            retry: \"qq-upload-retry-selector\",\n            statusText: \"qq-upload-status-text-selector\",\n            editFilenameInput: \"qq-edit-filename-selector\",\n            editNameIcon: \"qq-edit-filename-icon-selector\",\n            dropText: \"qq-upload-drop-area-text-selector\",\n            dropProcessing: \"qq-drop-processing-selector\",\n            dropProcessingSpinner: \"qq-drop-processing-spinner-selector\",\n            thumbnail: \"qq-thumbnail-selector\"\n        }, previewGeneration = {}, cachedThumbnailNotAvailableImg = new qq.Promise(), cachedWaitingForThumbnailImg = new qq.Promise(), log, isEditElementsExist, isRetryElementExist, templateDom, container, fileList, showThumbnails, serverScale, cacheThumbnailPlaceholders = function() {\n            var notAvailableUrl = options.placeholders.thumbnailNotAvailable, waitingUrl = options.placeholders.waitingForThumbnail, spec = {\n                maxSize: thumbnailMaxSize,\n                scale: serverScale\n            };\n            if (showThumbnails) {\n                if (notAvailableUrl) {\n                    options.imageGenerator.generate(notAvailableUrl, new Image(), spec).then(function(updatedImg) {\n                        cachedThumbnailNotAvailableImg.success(updatedImg);\n                    }, function() {\n                        cachedThumbnailNotAvailableImg.failure();\n                        log(\"Problem loading 'not available' placeholder image at \" + notAvailableUrl, \"error\");\n                    });\n                } else {\n                    cachedThumbnailNotAvailableImg.failure();\n                }\n                if (waitingUrl) {\n                    options.imageGenerator.generate(waitingUrl, new Image(), spec).then(function(updatedImg) {\n                        cachedWaitingForThumbnailImg.success(updatedImg);\n                    }, function() {\n                        cachedWaitingForThumbnailImg.failure();\n                        log(\"Problem loading 'waiting for thumbnail' placeholder image at \" + waitingUrl, \"error\");\n                    });\n                } else {\n                    cachedWaitingForThumbnailImg.failure();\n                }\n            }\n        }, displayWaitingImg = function(thumbnail) {\n            var waitingImgPlacement = new qq.Promise();\n            cachedWaitingForThumbnailImg.then(function(img) {\n                maybeScalePlaceholderViaCss(img, thumbnail);\n                if (!thumbnail.src) {\n                    thumbnail.src = img.src;\n                    thumbnail.onload = function() {\n                        thumbnail.onload = null;\n                        show(thumbnail);\n                        waitingImgPlacement.success();\n                    };\n                } else {\n                    waitingImgPlacement.success();\n                }\n            }, function() {\n                hide(thumbnail);\n                waitingImgPlacement.success();\n            });\n            return waitingImgPlacement;\n        }, generateNewPreview = function(id, blob, spec) {\n            var thumbnail = getThumbnail(id);\n            log(\"Generating new thumbnail for \" + id);\n            blob.qqThumbnailId = id;\n            return options.imageGenerator.generate(blob, thumbnail, spec).then(function() {\n                generatedThumbnails++;\n                show(thumbnail);\n                previewGeneration[id].success();\n            }, function() {\n                previewGeneration[id].failure();\n                if (!options.placeholders.waitUntilUpdate) {\n                    maybeSetDisplayNotAvailableImg(id, thumbnail);\n                }\n            });\n        }, generateNextQueuedPreview = function() {\n            if (thumbGenerationQueue.length) {\n                thumbnailQueueMonitorRunning = true;\n                var queuedThumbRequest = thumbGenerationQueue.shift();\n                if (queuedThumbRequest.update) {\n                    processUpdateQueuedPreviewRequest(queuedThumbRequest);\n                } else {\n                    processNewQueuedPreviewRequest(queuedThumbRequest);\n                }\n            } else {\n                thumbnailQueueMonitorRunning = false;\n            }\n        }, getCancel = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.cancel);\n        }, getContinue = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.continueButton);\n        }, getDialog = function(type) {\n            return getTemplateEl(container, selectorClasses[type + \"Dialog\"]);\n        }, getDelete = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.deleteButton);\n        }, getDropProcessing = function() {\n            return getTemplateEl(container, selectorClasses.dropProcessing);\n        }, getEditIcon = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.editNameIcon);\n        }, getFile = function(id) {\n            return fileBatch.map[id] || qq(fileList).getFirstByClass(FILE_CLASS_PREFIX + id);\n        }, getFilename = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.file);\n        }, getPause = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.pause);\n        }, getProgress = function(id) {\n            if (id == null) {\n                return getTemplateEl(container, selectorClasses.totalProgressBarContainer) || getTemplateEl(container, selectorClasses.totalProgressBar);\n            }\n            return getTemplateEl(getFile(id), selectorClasses.progressBarContainer) || getTemplateEl(getFile(id), selectorClasses.progressBar);\n        }, getRetry = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.retry);\n        }, getSize = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.size);\n        }, getSpinner = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.spinner);\n        }, getTemplateEl = function(context, cssClass) {\n            return context && qq(context).getFirstByClass(cssClass);\n        }, getThumbnail = function(id) {\n            return showThumbnails && getTemplateEl(getFile(id), selectorClasses.thumbnail);\n        }, hide = function(el) {\n            el && qq(el).addClass(options.classes.hide);\n        }, maybeScalePlaceholderViaCss = function(placeholder, thumbnail) {\n            var maxWidth = placeholder.style.maxWidth, maxHeight = placeholder.style.maxHeight;\n            if (maxHeight && maxWidth && !thumbnail.style.maxWidth && !thumbnail.style.maxHeight) {\n                qq(thumbnail).css({\n                    maxWidth: maxWidth,\n                    maxHeight: maxHeight\n                });\n            }\n        }, maybeSetDisplayNotAvailableImg = function(id, thumbnail) {\n            var previewing = previewGeneration[id] || new qq.Promise().failure(), notAvailableImgPlacement = new qq.Promise();\n            cachedThumbnailNotAvailableImg.then(function(img) {\n                previewing.then(function() {\n                    notAvailableImgPlacement.success();\n                }, function() {\n                    maybeScalePlaceholderViaCss(img, thumbnail);\n                    thumbnail.onload = function() {\n                        thumbnail.onload = null;\n                        notAvailableImgPlacement.success();\n                    };\n                    thumbnail.src = img.src;\n                    show(thumbnail);\n                });\n            });\n            return notAvailableImgPlacement;\n        }, parseAndGetTemplate = function() {\n            var scriptEl, scriptHtml, fileListNode, tempTemplateEl, fileListEl, defaultButton, dropArea, thumbnail, dropProcessing, dropTextEl, uploaderEl;\n            log(\"Parsing template\");\n            if (options.templateIdOrEl == null) {\n                throw new Error(\"You MUST specify either a template element or ID!\");\n            }\n            if (qq.isString(options.templateIdOrEl)) {\n                scriptEl = document.getElementById(options.templateIdOrEl);\n                if (scriptEl === null) {\n                    throw new Error(qq.format(\"Cannot find template script at ID '{}'!\", options.templateIdOrEl));\n                }\n                scriptHtml = scriptEl.innerHTML;\n            } else {\n                if (options.templateIdOrEl.innerHTML === undefined) {\n                    throw new Error(\"You have specified an invalid value for the template option!  \" + \"It must be an ID or an Element.\");\n                }\n                scriptHtml = options.templateIdOrEl.innerHTML;\n            }\n            scriptHtml = qq.trimStr(scriptHtml);\n            tempTemplateEl = document.createElement(\"div\");\n            tempTemplateEl.appendChild(qq.toElement(scriptHtml));\n            uploaderEl = qq(tempTemplateEl).getFirstByClass(selectorClasses.uploader);\n            if (options.button) {\n                defaultButton = qq(tempTemplateEl).getFirstByClass(selectorClasses.button);\n                if (defaultButton) {\n                    qq(defaultButton).remove();\n                }\n            }\n            if (!qq.DragAndDrop || !qq.supportedFeatures.fileDrop) {\n                dropProcessing = qq(tempTemplateEl).getFirstByClass(selectorClasses.dropProcessing);\n                if (dropProcessing) {\n                    qq(dropProcessing).remove();\n                }\n            }\n            dropArea = qq(tempTemplateEl).getFirstByClass(selectorClasses.drop);\n            if (dropArea && !qq.DragAndDrop) {\n                log(\"DnD module unavailable.\", \"info\");\n                qq(dropArea).remove();\n            }\n            if (!qq.supportedFeatures.fileDrop) {\n                uploaderEl.removeAttribute(DROPZPONE_TEXT_ATTR);\n                if (dropArea && qq(dropArea).hasAttribute(HIDE_DROPZONE_ATTR)) {\n                    qq(dropArea).css({\n                        display: \"none\"\n                    });\n                }\n            } else if (qq(uploaderEl).hasAttribute(DROPZPONE_TEXT_ATTR) && dropArea) {\n                dropTextEl = qq(dropArea).getFirstByClass(selectorClasses.dropText);\n                dropTextEl && qq(dropTextEl).remove();\n            }\n            thumbnail = qq(tempTemplateEl).getFirstByClass(selectorClasses.thumbnail);\n            if (!showThumbnails) {\n                thumbnail && qq(thumbnail).remove();\n            } else if (thumbnail) {\n                thumbnailMaxSize = parseInt(thumbnail.getAttribute(THUMBNAIL_MAX_SIZE_ATTR));\n                thumbnailMaxSize = thumbnailMaxSize > 0 ? thumbnailMaxSize : null;\n                serverScale = qq(thumbnail).hasAttribute(THUMBNAIL_SERVER_SCALE_ATTR);\n            }\n            showThumbnails = showThumbnails && thumbnail;\n            isEditElementsExist = qq(tempTemplateEl).getByClass(selectorClasses.editFilenameInput).length > 0;\n            isRetryElementExist = qq(tempTemplateEl).getByClass(selectorClasses.retry).length > 0;\n            fileListNode = qq(tempTemplateEl).getFirstByClass(selectorClasses.list);\n            if (fileListNode == null) {\n                throw new Error(\"Could not find the file list container in the template!\");\n            }\n            fileListEl = fileListNode.children[0].cloneNode(true);\n            fileListNode.innerHTML = \"\";\n            if (tempTemplateEl.getElementsByTagName(\"DIALOG\").length) {\n                document.createElement(\"dialog\");\n            }\n            log(\"Template parsing complete\");\n            return {\n                template: tempTemplateEl,\n                fileTemplate: fileListEl\n            };\n        }, prependFile = function(el, index, fileList) {\n            var parentEl = fileList, beforeEl = parentEl.firstChild;\n            if (index > 0) {\n                beforeEl = qq(parentEl).children()[index].nextSibling;\n            }\n            parentEl.insertBefore(el, beforeEl);\n        }, processNewQueuedPreviewRequest = function(queuedThumbRequest) {\n            var id = queuedThumbRequest.id, optFileOrBlob = queuedThumbRequest.optFileOrBlob, relatedThumbnailId = optFileOrBlob && optFileOrBlob.qqThumbnailId, thumbnail = getThumbnail(id), spec = {\n                customResizeFunction: queuedThumbRequest.customResizeFunction,\n                maxSize: thumbnailMaxSize,\n                orient: true,\n                scale: true\n            };\n            if (qq.supportedFeatures.imagePreviews) {\n                if (thumbnail) {\n                    if (options.limits.maxThumbs && options.limits.maxThumbs <= generatedThumbnails) {\n                        maybeSetDisplayNotAvailableImg(id, thumbnail);\n                        generateNextQueuedPreview();\n                    } else {\n                        displayWaitingImg(thumbnail).done(function() {\n                            previewGeneration[id] = new qq.Promise();\n                            previewGeneration[id].done(function() {\n                                setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs);\n                            });\n                            if (relatedThumbnailId != null) {\n                                useCachedPreview(id, relatedThumbnailId);\n                            } else {\n                                generateNewPreview(id, optFileOrBlob, spec);\n                            }\n                        });\n                    }\n                } else {\n                    generateNextQueuedPreview();\n                }\n            } else if (thumbnail) {\n                displayWaitingImg(thumbnail);\n                generateNextQueuedPreview();\n            }\n        }, processUpdateQueuedPreviewRequest = function(queuedThumbRequest) {\n            var id = queuedThumbRequest.id, thumbnailUrl = queuedThumbRequest.thumbnailUrl, showWaitingImg = queuedThumbRequest.showWaitingImg, thumbnail = getThumbnail(id), spec = {\n                customResizeFunction: queuedThumbRequest.customResizeFunction,\n                scale: serverScale,\n                maxSize: thumbnailMaxSize\n            };\n            if (thumbnail) {\n                if (thumbnailUrl) {\n                    if (options.limits.maxThumbs && options.limits.maxThumbs <= generatedThumbnails) {\n                        maybeSetDisplayNotAvailableImg(id, thumbnail);\n                        generateNextQueuedPreview();\n                    } else {\n                        if (showWaitingImg) {\n                            displayWaitingImg(thumbnail);\n                        }\n                        return options.imageGenerator.generate(thumbnailUrl, thumbnail, spec).then(function() {\n                            show(thumbnail);\n                            generatedThumbnails++;\n                            setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs);\n                        }, function() {\n                            maybeSetDisplayNotAvailableImg(id, thumbnail);\n                            setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs);\n                        });\n                    }\n                } else {\n                    maybeSetDisplayNotAvailableImg(id, thumbnail);\n                    generateNextQueuedPreview();\n                }\n            }\n        }, setProgressBarWidth = function(id, percent) {\n            var bar = getProgress(id), progressBarSelector = id == null ? selectorClasses.totalProgressBar : selectorClasses.progressBar;\n            if (bar && !qq(bar).hasClass(progressBarSelector)) {\n                bar = qq(bar).getFirstByClass(progressBarSelector);\n            }\n            if (bar) {\n                qq(bar).css({\n                    width: percent + \"%\"\n                });\n                bar.setAttribute(\"aria-valuenow\", percent);\n            }\n        }, show = function(el) {\n            el && qq(el).removeClass(options.classes.hide);\n        }, useCachedPreview = function(targetThumbnailId, cachedThumbnailId) {\n            var targetThumbnail = getThumbnail(targetThumbnailId), cachedThumbnail = getThumbnail(cachedThumbnailId);\n            log(qq.format(\"ID {} is the same file as ID {}.  Will use generated thumbnail from ID {} instead.\", targetThumbnailId, cachedThumbnailId, cachedThumbnailId));\n            previewGeneration[cachedThumbnailId].then(function() {\n                generatedThumbnails++;\n                previewGeneration[targetThumbnailId].success();\n                log(qq.format(\"Now using previously generated thumbnail created for ID {} on ID {}.\", cachedThumbnailId, targetThumbnailId));\n                targetThumbnail.src = cachedThumbnail.src;\n                show(targetThumbnail);\n            }, function() {\n                previewGeneration[targetThumbnailId].failure();\n                if (!options.placeholders.waitUntilUpdate) {\n                    maybeSetDisplayNotAvailableImg(targetThumbnailId, targetThumbnail);\n                }\n            });\n        };\n        qq.extend(options, spec);\n        log = options.log;\n        if (!qq.supportedFeatures.imagePreviews) {\n            options.limits.timeBetweenThumbs = 0;\n            options.limits.maxThumbs = 0;\n        }\n        container = options.containerEl;\n        showThumbnails = options.imageGenerator !== undefined;\n        templateDom = parseAndGetTemplate();\n        cacheThumbnailPlaceholders();\n        qq.extend(this, {\n            render: function() {\n                log(\"Rendering template in DOM.\");\n                generatedThumbnails = 0;\n                container.appendChild(templateDom.template.cloneNode(true));\n                hide(getDropProcessing());\n                this.hideTotalProgress();\n                fileList = options.fileContainerEl || getTemplateEl(container, selectorClasses.list);\n                log(\"Template rendering complete\");\n            },\n            renderFailure: function(message) {\n                var cantRenderEl = qq.toElement(message);\n                container.innerHTML = \"\";\n                container.appendChild(cantRenderEl);\n            },\n            reset: function() {\n                container.innerHTML = \"\";\n                this.render();\n            },\n            clearFiles: function() {\n                fileList.innerHTML = \"\";\n            },\n            disableCancel: function() {\n                isCancelDisabled = true;\n            },\n            addFile: function(id, name, prependInfo, hideForever, batch) {\n                var fileEl = templateDom.fileTemplate.cloneNode(true), fileNameEl = getTemplateEl(fileEl, selectorClasses.file), uploaderEl = getTemplateEl(container, selectorClasses.uploader), fileContainer = batch ? fileBatch.content : fileList, thumb;\n                if (batch) {\n                    fileBatch.map[id] = fileEl;\n                }\n                qq(fileEl).addClass(FILE_CLASS_PREFIX + id);\n                uploaderEl.removeAttribute(DROPZPONE_TEXT_ATTR);\n                if (fileNameEl) {\n                    qq(fileNameEl).setText(name);\n                    fileNameEl.setAttribute(\"title\", name);\n                }\n                fileEl.setAttribute(FILE_ID_ATTR, id);\n                if (prependInfo) {\n                    prependFile(fileEl, prependInfo.index, fileContainer);\n                } else {\n                    fileContainer.appendChild(fileEl);\n                }\n                if (hideForever) {\n                    fileEl.style.display = \"none\";\n                    qq(fileEl).addClass(HIDDEN_FOREVER_CLASS);\n                } else {\n                    hide(getProgress(id));\n                    hide(getSize(id));\n                    hide(getDelete(id));\n                    hide(getRetry(id));\n                    hide(getPause(id));\n                    hide(getContinue(id));\n                    if (isCancelDisabled) {\n                        this.hideCancel(id);\n                    }\n                    thumb = getThumbnail(id);\n                    if (thumb && !thumb.src) {\n                        cachedWaitingForThumbnailImg.then(function(waitingImg) {\n                            thumb.src = waitingImg.src;\n                            if (waitingImg.style.maxHeight && waitingImg.style.maxWidth) {\n                                qq(thumb).css({\n                                    maxHeight: waitingImg.style.maxHeight,\n                                    maxWidth: waitingImg.style.maxWidth\n                                });\n                            }\n                            show(thumb);\n                        });\n                    }\n                }\n            },\n            addFileToCache: function(id, name, prependInfo, hideForever) {\n                this.addFile(id, name, prependInfo, hideForever, true);\n            },\n            addCacheToDom: function() {\n                fileList.appendChild(fileBatch.content);\n                fileBatch.content = document.createDocumentFragment();\n                fileBatch.map = {};\n            },\n            removeFile: function(id) {\n                qq(getFile(id)).remove();\n            },\n            getFileId: function(el) {\n                var currentNode = el;\n                if (currentNode) {\n                    while (currentNode.getAttribute(FILE_ID_ATTR) == null) {\n                        currentNode = currentNode.parentNode;\n                    }\n                    return parseInt(currentNode.getAttribute(FILE_ID_ATTR));\n                }\n            },\n            getFileList: function() {\n                return fileList;\n            },\n            markFilenameEditable: function(id) {\n                var filename = getFilename(id);\n                filename && qq(filename).addClass(options.classes.editable);\n            },\n            updateFilename: function(id, name) {\n                var filenameEl = getFilename(id);\n                if (filenameEl) {\n                    qq(filenameEl).setText(name);\n                    filenameEl.setAttribute(\"title\", name);\n                }\n            },\n            hideFilename: function(id) {\n                hide(getFilename(id));\n            },\n            showFilename: function(id) {\n                show(getFilename(id));\n            },\n            isFileName: function(el) {\n                return qq(el).hasClass(selectorClasses.file);\n            },\n            getButton: function() {\n                return options.button || getTemplateEl(container, selectorClasses.button);\n            },\n            hideDropProcessing: function() {\n                hide(getDropProcessing());\n            },\n            showDropProcessing: function() {\n                show(getDropProcessing());\n            },\n            getDropZone: function() {\n                return getTemplateEl(container, selectorClasses.drop);\n            },\n            isEditFilenamePossible: function() {\n                return isEditElementsExist;\n            },\n            hideRetry: function(id) {\n                hide(getRetry(id));\n            },\n            isRetryPossible: function() {\n                return isRetryElementExist;\n            },\n            showRetry: function(id) {\n                show(getRetry(id));\n            },\n            getFileContainer: function(id) {\n                return getFile(id);\n            },\n            showEditIcon: function(id) {\n                var icon = getEditIcon(id);\n                icon && qq(icon).addClass(options.classes.editable);\n            },\n            isHiddenForever: function(id) {\n                return qq(getFile(id)).hasClass(HIDDEN_FOREVER_CLASS);\n            },\n            hideEditIcon: function(id) {\n                var icon = getEditIcon(id);\n                icon && qq(icon).removeClass(options.classes.editable);\n            },\n            isEditIcon: function(el) {\n                return qq(el).hasClass(selectorClasses.editNameIcon, true);\n            },\n            getEditInput: function(id) {\n                return getTemplateEl(getFile(id), selectorClasses.editFilenameInput);\n            },\n            isEditInput: function(el) {\n                return qq(el).hasClass(selectorClasses.editFilenameInput, true);\n            },\n            updateProgress: function(id, loaded, total) {\n                var bar = getProgress(id), percent;\n                if (bar && total > 0) {\n                    percent = Math.round(loaded / total * 100);\n                    if (percent === 100) {\n                        hide(bar);\n                    } else {\n                        show(bar);\n                    }\n                    setProgressBarWidth(id, percent);\n                }\n            },\n            updateTotalProgress: function(loaded, total) {\n                this.updateProgress(null, loaded, total);\n            },\n            hideProgress: function(id) {\n                var bar = getProgress(id);\n                bar && hide(bar);\n            },\n            hideTotalProgress: function() {\n                this.hideProgress();\n            },\n            resetProgress: function(id) {\n                setProgressBarWidth(id, 0);\n                this.hideTotalProgress(id);\n            },\n            resetTotalProgress: function() {\n                this.resetProgress();\n            },\n            showCancel: function(id) {\n                if (!isCancelDisabled) {\n                    var cancel = getCancel(id);\n                    cancel && qq(cancel).removeClass(options.classes.hide);\n                }\n            },\n            hideCancel: function(id) {\n                hide(getCancel(id));\n            },\n            isCancel: function(el) {\n                return qq(el).hasClass(selectorClasses.cancel, true);\n            },\n            allowPause: function(id) {\n                show(getPause(id));\n                hide(getContinue(id));\n            },\n            uploadPaused: function(id) {\n                this.setStatusText(id, options.text.paused);\n                this.allowContinueButton(id);\n                hide(getSpinner(id));\n            },\n            hidePause: function(id) {\n                hide(getPause(id));\n            },\n            isPause: function(el) {\n                return qq(el).hasClass(selectorClasses.pause, true);\n            },\n            isContinueButton: function(el) {\n                return qq(el).hasClass(selectorClasses.continueButton, true);\n            },\n            allowContinueButton: function(id) {\n                show(getContinue(id));\n                hide(getPause(id));\n            },\n            uploadContinued: function(id) {\n                this.setStatusText(id, \"\");\n                this.allowPause(id);\n                show(getSpinner(id));\n            },\n            showDeleteButton: function(id) {\n                show(getDelete(id));\n            },\n            hideDeleteButton: function(id) {\n                hide(getDelete(id));\n            },\n            isDeleteButton: function(el) {\n                return qq(el).hasClass(selectorClasses.deleteButton, true);\n            },\n            isRetry: function(el) {\n                return qq(el).hasClass(selectorClasses.retry, true);\n            },\n            updateSize: function(id, text) {\n                var size = getSize(id);\n                if (size) {\n                    show(size);\n                    qq(size).setText(text);\n                }\n            },\n            setStatusText: function(id, text) {\n                var textEl = getTemplateEl(getFile(id), selectorClasses.statusText);\n                if (textEl) {\n                    if (text == null) {\n                        qq(textEl).clearText();\n                    } else {\n                        qq(textEl).setText(text);\n                    }\n                }\n            },\n            hideSpinner: function(id) {\n                qq(getFile(id)).removeClass(IN_PROGRESS_CLASS);\n                hide(getSpinner(id));\n            },\n            showSpinner: function(id) {\n                qq(getFile(id)).addClass(IN_PROGRESS_CLASS);\n                show(getSpinner(id));\n            },\n            generatePreview: function(id, optFileOrBlob, customResizeFunction) {\n                if (!this.isHiddenForever(id)) {\n                    thumbGenerationQueue.push({\n                        id: id,\n                        customResizeFunction: customResizeFunction,\n                        optFileOrBlob: optFileOrBlob\n                    });\n                    !thumbnailQueueMonitorRunning && generateNextQueuedPreview();\n                }\n            },\n            updateThumbnail: function(id, thumbnailUrl, showWaitingImg, customResizeFunction) {\n                if (!this.isHiddenForever(id)) {\n                    thumbGenerationQueue.push({\n                        customResizeFunction: customResizeFunction,\n                        update: true,\n                        id: id,\n                        thumbnailUrl: thumbnailUrl,\n                        showWaitingImg: showWaitingImg\n                    });\n                    !thumbnailQueueMonitorRunning && generateNextQueuedPreview();\n                }\n            },\n            hasDialog: function(type) {\n                return qq.supportedFeatures.dialogElement && !!getDialog(type);\n            },\n            showDialog: function(type, message, defaultValue) {\n                var dialog = getDialog(type), messageEl = getTemplateEl(dialog, selectorClasses.dialogMessage), inputEl = dialog.getElementsByTagName(\"INPUT\")[0], cancelBtn = getTemplateEl(dialog, selectorClasses.dialogCancelButton), okBtn = getTemplateEl(dialog, selectorClasses.dialogOkButton), promise = new qq.Promise(), closeHandler = function() {\n                    cancelBtn.removeEventListener(\"click\", cancelClickHandler);\n                    okBtn && okBtn.removeEventListener(\"click\", okClickHandler);\n                    promise.failure();\n                }, cancelClickHandler = function() {\n                    cancelBtn.removeEventListener(\"click\", cancelClickHandler);\n                    dialog.close();\n                }, okClickHandler = function() {\n                    dialog.removeEventListener(\"close\", closeHandler);\n                    okBtn.removeEventListener(\"click\", okClickHandler);\n                    dialog.close();\n                    promise.success(inputEl && inputEl.value);\n                };\n                dialog.addEventListener(\"close\", closeHandler);\n                cancelBtn.addEventListener(\"click\", cancelClickHandler);\n                okBtn && okBtn.addEventListener(\"click\", okClickHandler);\n                if (inputEl) {\n                    inputEl.value = defaultValue;\n                }\n                messageEl.textContent = message;\n                dialog.showModal();\n                return promise;\n            }\n        });\n    };\n    qq.UiEventHandler = function(s, protectedApi) {\n        \"use strict\";\n        var disposer = new qq.DisposeSupport(), spec = {\n            eventType: \"click\",\n            attachTo: null,\n            onHandled: function(target, event) {}\n        };\n        qq.extend(this, {\n            addHandler: function(element) {\n                addHandler(element);\n            },\n            dispose: function() {\n                disposer.dispose();\n            }\n        });\n        function addHandler(element) {\n            disposer.attach(element, spec.eventType, function(event) {\n                event = event || window.event;\n                var target = event.target || event.srcElement;\n                spec.onHandled(target, event);\n            });\n        }\n        qq.extend(protectedApi, {\n            getFileIdFromItem: function(item) {\n                return item.qqFileId;\n            },\n            getDisposeSupport: function() {\n                return disposer;\n            }\n        });\n        qq.extend(spec, s);\n        if (spec.attachTo) {\n            addHandler(spec.attachTo);\n        }\n    };\n    qq.FileButtonsClickHandler = function(s) {\n        \"use strict\";\n        var inheritedInternalApi = {}, spec = {\n            templating: null,\n            log: function(message, lvl) {},\n            onDeleteFile: function(fileId) {},\n            onCancel: function(fileId) {},\n            onRetry: function(fileId) {},\n            onPause: function(fileId) {},\n            onContinue: function(fileId) {},\n            onGetName: function(fileId) {}\n        }, buttonHandlers = {\n            cancel: function(id) {\n                spec.onCancel(id);\n            },\n            retry: function(id) {\n                spec.onRetry(id);\n            },\n            deleteButton: function(id) {\n                spec.onDeleteFile(id);\n            },\n            pause: function(id) {\n                spec.onPause(id);\n            },\n            continueButton: function(id) {\n                spec.onContinue(id);\n            }\n        };\n        function examineEvent(target, event) {\n            qq.each(buttonHandlers, function(buttonType, handler) {\n                var firstLetterCapButtonType = buttonType.charAt(0).toUpperCase() + buttonType.slice(1), fileId;\n                if (spec.templating[\"is\" + firstLetterCapButtonType](target)) {\n                    fileId = spec.templating.getFileId(target);\n                    qq.preventDefault(event);\n                    spec.log(qq.format(\"Detected valid file button click event on file '{}', ID: {}.\", spec.onGetName(fileId), fileId));\n                    handler(fileId);\n                    return false;\n                }\n            });\n        }\n        qq.extend(spec, s);\n        spec.eventType = \"click\";\n        spec.onHandled = examineEvent;\n        spec.attachTo = spec.templating.getFileList();\n        qq.extend(this, new qq.UiEventHandler(spec, inheritedInternalApi));\n    };\n    qq.FilenameClickHandler = function(s) {\n        \"use strict\";\n        var inheritedInternalApi = {}, spec = {\n            templating: null,\n            log: function(message, lvl) {},\n            classes: {\n                file: \"qq-upload-file\",\n                editNameIcon: \"qq-edit-filename-icon\"\n            },\n            onGetUploadStatus: function(fileId) {},\n            onGetName: function(fileId) {}\n        };\n        qq.extend(spec, s);\n        function examineEvent(target, event) {\n            if (spec.templating.isFileName(target) || spec.templating.isEditIcon(target)) {\n                var fileId = spec.templating.getFileId(target), status = spec.onGetUploadStatus(fileId);\n                if (status === qq.status.SUBMITTED) {\n                    spec.log(qq.format(\"Detected valid filename click event on file '{}', ID: {}.\", spec.onGetName(fileId), fileId));\n                    qq.preventDefault(event);\n                    inheritedInternalApi.handleFilenameEdit(fileId, target, true);\n                }\n            }\n        }\n        spec.eventType = \"click\";\n        spec.onHandled = examineEvent;\n        qq.extend(this, new qq.FilenameEditHandler(spec, inheritedInternalApi));\n    };\n    qq.FilenameInputFocusInHandler = function(s, inheritedInternalApi) {\n        \"use strict\";\n        var spec = {\n            templating: null,\n            onGetUploadStatus: function(fileId) {},\n            log: function(message, lvl) {}\n        };\n        if (!inheritedInternalApi) {\n            inheritedInternalApi = {};\n        }\n        function handleInputFocus(target, event) {\n            if (spec.templating.isEditInput(target)) {\n                var fileId = spec.templating.getFileId(target), status = spec.onGetUploadStatus(fileId);\n                if (status === qq.status.SUBMITTED) {\n                    spec.log(qq.format(\"Detected valid filename input focus event on file '{}', ID: {}.\", spec.onGetName(fileId), fileId));\n                    inheritedInternalApi.handleFilenameEdit(fileId, target);\n                }\n            }\n        }\n        spec.eventType = \"focusin\";\n        spec.onHandled = handleInputFocus;\n        qq.extend(spec, s);\n        qq.extend(this, new qq.FilenameEditHandler(spec, inheritedInternalApi));\n    };\n    qq.FilenameInputFocusHandler = function(spec) {\n        \"use strict\";\n        spec.eventType = \"focus\";\n        spec.attachTo = null;\n        qq.extend(this, new qq.FilenameInputFocusInHandler(spec, {}));\n    };\n    qq.FilenameEditHandler = function(s, inheritedInternalApi) {\n        \"use strict\";\n        var spec = {\n            templating: null,\n            log: function(message, lvl) {},\n            onGetUploadStatus: function(fileId) {},\n            onGetName: function(fileId) {},\n            onSetName: function(fileId, newName) {},\n            onEditingStatusChange: function(fileId, isEditing) {}\n        };\n        function getFilenameSansExtension(fileId) {\n            var filenameSansExt = spec.onGetName(fileId), extIdx = filenameSansExt.lastIndexOf(\".\");\n            if (extIdx > 0) {\n                filenameSansExt = filenameSansExt.substr(0, extIdx);\n            }\n            return filenameSansExt;\n        }\n        function getOriginalExtension(fileId) {\n            var origName = spec.onGetName(fileId);\n            return qq.getExtension(origName);\n        }\n        function handleNameUpdate(newFilenameInputEl, fileId) {\n            var newName = newFilenameInputEl.value, origExtension;\n            if (newName !== undefined && qq.trimStr(newName).length > 0) {\n                origExtension = getOriginalExtension(fileId);\n                if (origExtension !== undefined) {\n                    newName = newName + \".\" + origExtension;\n                }\n                spec.onSetName(fileId, newName);\n            }\n            spec.onEditingStatusChange(fileId, false);\n        }\n        function registerInputBlurHandler(inputEl, fileId) {\n            inheritedInternalApi.getDisposeSupport().attach(inputEl, \"blur\", function() {\n                handleNameUpdate(inputEl, fileId);\n            });\n        }\n        function registerInputEnterKeyHandler(inputEl, fileId) {\n            inheritedInternalApi.getDisposeSupport().attach(inputEl, \"keyup\", function(event) {\n                var code = event.keyCode || event.which;\n                if (code === 13) {\n                    handleNameUpdate(inputEl, fileId);\n                }\n            });\n        }\n        qq.extend(spec, s);\n        spec.attachTo = spec.templating.getFileList();\n        qq.extend(this, new qq.UiEventHandler(spec, inheritedInternalApi));\n        qq.extend(inheritedInternalApi, {\n            handleFilenameEdit: function(id, target, focusInput) {\n                var newFilenameInputEl = spec.templating.getEditInput(id);\n                spec.onEditingStatusChange(id, true);\n                newFilenameInputEl.value = getFilenameSansExtension(id);\n                if (focusInput) {\n                    newFilenameInputEl.focus();\n                }\n                registerInputBlurHandler(newFilenameInputEl, id);\n                registerInputEnterKeyHandler(newFilenameInputEl, id);\n            }\n        });\n    };\n})(window);\n//# sourceMappingURL=fine-uploader.js.map","\"use strict\";\n\nmodule.exports = require(\"../s3.fine-uploader/s3.fine-uploader\");\n","\"use strict\";\n\nmodule.exports = require(\"../fine-uploader/fine-uploader\");\n","// Fine Uploader 5.16.2 - MIT licensed. http://fineuploader.com\n(function(global) {\n    var qq = function(element) {\n        \"use strict\";\n        return {\n            hide: function() {\n                element.style.display = \"none\";\n                return this;\n            },\n            attach: function(type, fn) {\n                if (element.addEventListener) {\n                    element.addEventListener(type, fn, false);\n                } else if (element.attachEvent) {\n                    element.attachEvent(\"on\" + type, fn);\n                }\n                return function() {\n                    qq(element).detach(type, fn);\n                };\n            },\n            detach: function(type, fn) {\n                if (element.removeEventListener) {\n                    element.removeEventListener(type, fn, false);\n                } else if (element.attachEvent) {\n                    element.detachEvent(\"on\" + type, fn);\n                }\n                return this;\n            },\n            contains: function(descendant) {\n                if (!descendant) {\n                    return false;\n                }\n                if (element === descendant) {\n                    return true;\n                }\n                if (element.contains) {\n                    return element.contains(descendant);\n                } else {\n                    return !!(descendant.compareDocumentPosition(element) & 8);\n                }\n            },\n            insertBefore: function(elementB) {\n                elementB.parentNode.insertBefore(element, elementB);\n                return this;\n            },\n            remove: function() {\n                element.parentNode.removeChild(element);\n                return this;\n            },\n            css: function(styles) {\n                if (element.style == null) {\n                    throw new qq.Error(\"Can't apply style to node as it is not on the HTMLElement prototype chain!\");\n                }\n                if (styles.opacity != null) {\n                    if (typeof element.style.opacity !== \"string\" && typeof element.filters !== \"undefined\") {\n                        styles.filter = \"alpha(opacity=\" + Math.round(100 * styles.opacity) + \")\";\n                    }\n                }\n                qq.extend(element.style, styles);\n                return this;\n            },\n            hasClass: function(name, considerParent) {\n                var re = new RegExp(\"(^| )\" + name + \"( |$)\");\n                return re.test(element.className) || !!(considerParent && re.test(element.parentNode.className));\n            },\n            addClass: function(name) {\n                if (!qq(element).hasClass(name)) {\n                    element.className += \" \" + name;\n                }\n                return this;\n            },\n            removeClass: function(name) {\n                var re = new RegExp(\"(^| )\" + name + \"( |$)\");\n                element.className = element.className.replace(re, \" \").replace(/^\\s+|\\s+$/g, \"\");\n                return this;\n            },\n            getByClass: function(className, first) {\n                var candidates, result = [];\n                if (first && element.querySelector) {\n                    return element.querySelector(\".\" + className);\n                } else if (element.querySelectorAll) {\n                    return element.querySelectorAll(\".\" + className);\n                }\n                candidates = element.getElementsByTagName(\"*\");\n                qq.each(candidates, function(idx, val) {\n                    if (qq(val).hasClass(className)) {\n                        result.push(val);\n                    }\n                });\n                return first ? result[0] : result;\n            },\n            getFirstByClass: function(className) {\n                return qq(element).getByClass(className, true);\n            },\n            children: function() {\n                var children = [], child = element.firstChild;\n                while (child) {\n                    if (child.nodeType === 1) {\n                        children.push(child);\n                    }\n                    child = child.nextSibling;\n                }\n                return children;\n            },\n            setText: function(text) {\n                element.innerText = text;\n                element.textContent = text;\n                return this;\n            },\n            clearText: function() {\n                return qq(element).setText(\"\");\n            },\n            hasAttribute: function(attrName) {\n                var attrVal;\n                if (element.hasAttribute) {\n                    if (!element.hasAttribute(attrName)) {\n                        return false;\n                    }\n                    return /^false$/i.exec(element.getAttribute(attrName)) == null;\n                } else {\n                    attrVal = element[attrName];\n                    if (attrVal === undefined) {\n                        return false;\n                    }\n                    return /^false$/i.exec(attrVal) == null;\n                }\n            }\n        };\n    };\n    (function() {\n        \"use strict\";\n        qq.canvasToBlob = function(canvas, mime, quality) {\n            return qq.dataUriToBlob(canvas.toDataURL(mime, quality));\n        };\n        qq.dataUriToBlob = function(dataUri) {\n            var arrayBuffer, byteString, createBlob = function(data, mime) {\n                var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder, blobBuilder = BlobBuilder && new BlobBuilder();\n                if (blobBuilder) {\n                    blobBuilder.append(data);\n                    return blobBuilder.getBlob(mime);\n                } else {\n                    return new Blob([ data ], {\n                        type: mime\n                    });\n                }\n            }, intArray, mimeString;\n            if (dataUri.split(\",\")[0].indexOf(\"base64\") >= 0) {\n                byteString = atob(dataUri.split(\",\")[1]);\n            } else {\n                byteString = decodeURI(dataUri.split(\",\")[1]);\n            }\n            mimeString = dataUri.split(\",\")[0].split(\":\")[1].split(\";\")[0];\n            arrayBuffer = new ArrayBuffer(byteString.length);\n            intArray = new Uint8Array(arrayBuffer);\n            qq.each(byteString, function(idx, character) {\n                intArray[idx] = character.charCodeAt(0);\n            });\n            return createBlob(arrayBuffer, mimeString);\n        };\n        qq.log = function(message, level) {\n            if (window.console) {\n                if (!level || level === \"info\") {\n                    window.console.log(message);\n                } else {\n                    if (window.console[level]) {\n                        window.console[level](message);\n                    } else {\n                        window.console.log(\"<\" + level + \"> \" + message);\n                    }\n                }\n            }\n        };\n        qq.isObject = function(variable) {\n            return variable && !variable.nodeType && Object.prototype.toString.call(variable) === \"[object Object]\";\n        };\n        qq.isFunction = function(variable) {\n            return typeof variable === \"function\";\n        };\n        qq.isArray = function(value) {\n            return Object.prototype.toString.call(value) === \"[object Array]\" || value && window.ArrayBuffer && value.buffer && value.buffer.constructor === ArrayBuffer;\n        };\n        qq.isItemList = function(maybeItemList) {\n            return Object.prototype.toString.call(maybeItemList) === \"[object DataTransferItemList]\";\n        };\n        qq.isNodeList = function(maybeNodeList) {\n            return Object.prototype.toString.call(maybeNodeList) === \"[object NodeList]\" || maybeNodeList.item && maybeNodeList.namedItem;\n        };\n        qq.isString = function(maybeString) {\n            return Object.prototype.toString.call(maybeString) === \"[object String]\";\n        };\n        qq.trimStr = function(string) {\n            if (String.prototype.trim) {\n                return string.trim();\n            }\n            return string.replace(/^\\s+|\\s+$/g, \"\");\n        };\n        qq.format = function(str) {\n            var args = Array.prototype.slice.call(arguments, 1), newStr = str, nextIdxToReplace = newStr.indexOf(\"{}\");\n            qq.each(args, function(idx, val) {\n                var strBefore = newStr.substring(0, nextIdxToReplace), strAfter = newStr.substring(nextIdxToReplace + 2);\n                newStr = strBefore + val + strAfter;\n                nextIdxToReplace = newStr.indexOf(\"{}\", nextIdxToReplace + val.length);\n                if (nextIdxToReplace < 0) {\n                    return false;\n                }\n            });\n            return newStr;\n        };\n        qq.isFile = function(maybeFile) {\n            return window.File && Object.prototype.toString.call(maybeFile) === \"[object File]\";\n        };\n        qq.isFileList = function(maybeFileList) {\n            return window.FileList && Object.prototype.toString.call(maybeFileList) === \"[object FileList]\";\n        };\n        qq.isFileOrInput = function(maybeFileOrInput) {\n            return qq.isFile(maybeFileOrInput) || qq.isInput(maybeFileOrInput);\n        };\n        qq.isInput = function(maybeInput, notFile) {\n            var evaluateType = function(type) {\n                var normalizedType = type.toLowerCase();\n                if (notFile) {\n                    return normalizedType !== \"file\";\n                }\n                return normalizedType === \"file\";\n            };\n            if (window.HTMLInputElement) {\n                if (Object.prototype.toString.call(maybeInput) === \"[object HTMLInputElement]\") {\n                    if (maybeInput.type && evaluateType(maybeInput.type)) {\n                        return true;\n                    }\n                }\n            }\n            if (maybeInput.tagName) {\n                if (maybeInput.tagName.toLowerCase() === \"input\") {\n                    if (maybeInput.type && evaluateType(maybeInput.type)) {\n                        return true;\n                    }\n                }\n            }\n            return false;\n        };\n        qq.isBlob = function(maybeBlob) {\n            if (window.Blob && Object.prototype.toString.call(maybeBlob) === \"[object Blob]\") {\n                return true;\n            }\n        };\n        qq.isXhrUploadSupported = function() {\n            var input = document.createElement(\"input\");\n            input.type = \"file\";\n            return input.multiple !== undefined && typeof File !== \"undefined\" && typeof FormData !== \"undefined\" && typeof qq.createXhrInstance().upload !== \"undefined\";\n        };\n        qq.createXhrInstance = function() {\n            if (window.XMLHttpRequest) {\n                return new XMLHttpRequest();\n            }\n            try {\n                return new ActiveXObject(\"MSXML2.XMLHTTP.3.0\");\n            } catch (error) {\n                qq.log(\"Neither XHR or ActiveX are supported!\", \"error\");\n                return null;\n            }\n        };\n        qq.isFolderDropSupported = function(dataTransfer) {\n            return dataTransfer.items && dataTransfer.items.length > 0 && dataTransfer.items[0].webkitGetAsEntry;\n        };\n        qq.isFileChunkingSupported = function() {\n            return !qq.androidStock() && qq.isXhrUploadSupported() && (File.prototype.slice !== undefined || File.prototype.webkitSlice !== undefined || File.prototype.mozSlice !== undefined);\n        };\n        qq.sliceBlob = function(fileOrBlob, start, end) {\n            var slicer = fileOrBlob.slice || fileOrBlob.mozSlice || fileOrBlob.webkitSlice;\n            return slicer.call(fileOrBlob, start, end);\n        };\n        qq.arrayBufferToHex = function(buffer) {\n            var bytesAsHex = \"\", bytes = new Uint8Array(buffer);\n            qq.each(bytes, function(idx, byt) {\n                var byteAsHexStr = byt.toString(16);\n                if (byteAsHexStr.length < 2) {\n                    byteAsHexStr = \"0\" + byteAsHexStr;\n                }\n                bytesAsHex += byteAsHexStr;\n            });\n            return bytesAsHex;\n        };\n        qq.readBlobToHex = function(blob, startOffset, length) {\n            var initialBlob = qq.sliceBlob(blob, startOffset, startOffset + length), fileReader = new FileReader(), promise = new qq.Promise();\n            fileReader.onload = function() {\n                promise.success(qq.arrayBufferToHex(fileReader.result));\n            };\n            fileReader.onerror = promise.failure;\n            fileReader.readAsArrayBuffer(initialBlob);\n            return promise;\n        };\n        qq.extend = function(first, second, extendNested) {\n            qq.each(second, function(prop, val) {\n                if (extendNested && qq.isObject(val)) {\n                    if (first[prop] === undefined) {\n                        first[prop] = {};\n                    }\n                    qq.extend(first[prop], val, true);\n                } else {\n                    first[prop] = val;\n                }\n            });\n            return first;\n        };\n        qq.override = function(target, sourceFn) {\n            var super_ = {}, source = sourceFn(super_);\n            qq.each(source, function(srcPropName, srcPropVal) {\n                if (target[srcPropName] !== undefined) {\n                    super_[srcPropName] = target[srcPropName];\n                }\n                target[srcPropName] = srcPropVal;\n            });\n            return target;\n        };\n        qq.indexOf = function(arr, elt, from) {\n            if (arr.indexOf) {\n                return arr.indexOf(elt, from);\n            }\n            from = from || 0;\n            var len = arr.length;\n            if (from < 0) {\n                from += len;\n            }\n            for (;from < len; from += 1) {\n                if (arr.hasOwnProperty(from) && arr[from] === elt) {\n                    return from;\n                }\n            }\n            return -1;\n        };\n        qq.getUniqueId = function() {\n            return \"xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx\".replace(/[xy]/g, function(c) {\n                var r = Math.random() * 16 | 0, v = c == \"x\" ? r : r & 3 | 8;\n                return v.toString(16);\n            });\n        };\n        qq.ie = function() {\n            return navigator.userAgent.indexOf(\"MSIE\") !== -1 || navigator.userAgent.indexOf(\"Trident\") !== -1;\n        };\n        qq.ie7 = function() {\n            return navigator.userAgent.indexOf(\"MSIE 7\") !== -1;\n        };\n        qq.ie8 = function() {\n            return navigator.userAgent.indexOf(\"MSIE 8\") !== -1;\n        };\n        qq.ie10 = function() {\n            return navigator.userAgent.indexOf(\"MSIE 10\") !== -1;\n        };\n        qq.ie11 = function() {\n            return qq.ie() && navigator.userAgent.indexOf(\"rv:11\") !== -1;\n        };\n        qq.edge = function() {\n            return navigator.userAgent.indexOf(\"Edge\") >= 0;\n        };\n        qq.safari = function() {\n            return navigator.vendor !== undefined && navigator.vendor.indexOf(\"Apple\") !== -1;\n        };\n        qq.chrome = function() {\n            return navigator.vendor !== undefined && navigator.vendor.indexOf(\"Google\") !== -1;\n        };\n        qq.opera = function() {\n            return navigator.vendor !== undefined && navigator.vendor.indexOf(\"Opera\") !== -1;\n        };\n        qq.firefox = function() {\n            return !qq.edge() && !qq.ie11() && navigator.userAgent.indexOf(\"Mozilla\") !== -1 && navigator.vendor !== undefined && navigator.vendor === \"\";\n        };\n        qq.windows = function() {\n            return navigator.platform === \"Win32\";\n        };\n        qq.android = function() {\n            return navigator.userAgent.toLowerCase().indexOf(\"android\") !== -1;\n        };\n        qq.androidStock = function() {\n            return qq.android() && navigator.userAgent.toLowerCase().indexOf(\"chrome\") < 0;\n        };\n        qq.ios6 = function() {\n            return qq.ios() && navigator.userAgent.indexOf(\" OS 6_\") !== -1;\n        };\n        qq.ios7 = function() {\n            return qq.ios() && navigator.userAgent.indexOf(\" OS 7_\") !== -1;\n        };\n        qq.ios8 = function() {\n            return qq.ios() && navigator.userAgent.indexOf(\" OS 8_\") !== -1;\n        };\n        qq.ios800 = function() {\n            return qq.ios() && navigator.userAgent.indexOf(\" OS 8_0 \") !== -1;\n        };\n        qq.ios = function() {\n            return navigator.userAgent.indexOf(\"iPad\") !== -1 || navigator.userAgent.indexOf(\"iPod\") !== -1 || navigator.userAgent.indexOf(\"iPhone\") !== -1;\n        };\n        qq.iosChrome = function() {\n            return qq.ios() && navigator.userAgent.indexOf(\"CriOS\") !== -1;\n        };\n        qq.iosSafari = function() {\n            return qq.ios() && !qq.iosChrome() && navigator.userAgent.indexOf(\"Safari\") !== -1;\n        };\n        qq.iosSafariWebView = function() {\n            return qq.ios() && !qq.iosChrome() && !qq.iosSafari();\n        };\n        qq.preventDefault = function(e) {\n            if (e.preventDefault) {\n                e.preventDefault();\n            } else {\n                e.returnValue = false;\n            }\n        };\n        qq.toElement = function() {\n            var div = document.createElement(\"div\");\n            return function(html) {\n                div.innerHTML = html;\n                var element = div.firstChild;\n                div.removeChild(element);\n                return element;\n            };\n        }();\n        qq.each = function(iterableItem, callback) {\n            var keyOrIndex, retVal;\n            if (iterableItem) {\n                if (window.Storage && iterableItem.constructor === window.Storage) {\n                    for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) {\n                        retVal = callback(iterableItem.key(keyOrIndex), iterableItem.getItem(iterableItem.key(keyOrIndex)));\n                        if (retVal === false) {\n                            break;\n                        }\n                    }\n                } else if (qq.isArray(iterableItem) || qq.isItemList(iterableItem) || qq.isNodeList(iterableItem)) {\n                    for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) {\n                        retVal = callback(keyOrIndex, iterableItem[keyOrIndex]);\n                        if (retVal === false) {\n                            break;\n                        }\n                    }\n                } else if (qq.isString(iterableItem)) {\n                    for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) {\n                        retVal = callback(keyOrIndex, iterableItem.charAt(keyOrIndex));\n                        if (retVal === false) {\n                            break;\n                        }\n                    }\n                } else {\n                    for (keyOrIndex in iterableItem) {\n                        if (Object.prototype.hasOwnProperty.call(iterableItem, keyOrIndex)) {\n                            retVal = callback(keyOrIndex, iterableItem[keyOrIndex]);\n                            if (retVal === false) {\n                                break;\n                            }\n                        }\n                    }\n                }\n            }\n        };\n        qq.bind = function(oldFunc, context) {\n            if (qq.isFunction(oldFunc)) {\n                var args = Array.prototype.slice.call(arguments, 2);\n                return function() {\n                    var newArgs = qq.extend([], args);\n                    if (arguments.length) {\n                        newArgs = newArgs.concat(Array.prototype.slice.call(arguments));\n                    }\n                    return oldFunc.apply(context, newArgs);\n                };\n            }\n            throw new Error(\"first parameter must be a function!\");\n        };\n        qq.obj2url = function(obj, temp, prefixDone) {\n            var uristrings = [], prefix = \"&\", add = function(nextObj, i) {\n                var nextTemp = temp ? /\\[\\]$/.test(temp) ? temp : temp + \"[\" + i + \"]\" : i;\n                if (nextTemp !== \"undefined\" && i !== \"undefined\") {\n                    uristrings.push(typeof nextObj === \"object\" ? qq.obj2url(nextObj, nextTemp, true) : Object.prototype.toString.call(nextObj) === \"[object Function]\" ? encodeURIComponent(nextTemp) + \"=\" + encodeURIComponent(nextObj()) : encodeURIComponent(nextTemp) + \"=\" + encodeURIComponent(nextObj));\n                }\n            };\n            if (!prefixDone && temp) {\n                prefix = /\\?/.test(temp) ? /\\?$/.test(temp) ? \"\" : \"&\" : \"?\";\n                uristrings.push(temp);\n                uristrings.push(qq.obj2url(obj));\n            } else if (Object.prototype.toString.call(obj) === \"[object Array]\" && typeof obj !== \"undefined\") {\n                qq.each(obj, function(idx, val) {\n                    add(val, idx);\n                });\n            } else if (typeof obj !== \"undefined\" && obj !== null && typeof obj === \"object\") {\n                qq.each(obj, function(prop, val) {\n                    add(val, prop);\n                });\n            } else {\n                uristrings.push(encodeURIComponent(temp) + \"=\" + encodeURIComponent(obj));\n            }\n            if (temp) {\n                return uristrings.join(prefix);\n            } else {\n                return uristrings.join(prefix).replace(/^&/, \"\").replace(/%20/g, \"+\");\n            }\n        };\n        qq.obj2FormData = function(obj, formData, arrayKeyName) {\n            if (!formData) {\n                formData = new FormData();\n            }\n            qq.each(obj, function(key, val) {\n                key = arrayKeyName ? arrayKeyName + \"[\" + key + \"]\" : key;\n                if (qq.isObject(val)) {\n                    qq.obj2FormData(val, formData, key);\n                } else if (qq.isFunction(val)) {\n                    formData.append(key, val());\n                } else {\n                    formData.append(key, val);\n                }\n            });\n            return formData;\n        };\n        qq.obj2Inputs = function(obj, form) {\n            var input;\n            if (!form) {\n                form = document.createElement(\"form\");\n            }\n            qq.obj2FormData(obj, {\n                append: function(key, val) {\n                    input = document.createElement(\"input\");\n                    input.setAttribute(\"name\", key);\n                    input.setAttribute(\"value\", val);\n                    form.appendChild(input);\n                }\n            });\n            return form;\n        };\n        qq.parseJson = function(json) {\n            if (window.JSON && qq.isFunction(JSON.parse)) {\n                return JSON.parse(json);\n            } else {\n                return eval(\"(\" + json + \")\");\n            }\n        };\n        qq.getExtension = function(filename) {\n            var extIdx = filename.lastIndexOf(\".\") + 1;\n            if (extIdx > 0) {\n                return filename.substr(extIdx, filename.length - extIdx);\n            }\n        };\n        qq.getFilename = function(blobOrFileInput) {\n            if (qq.isInput(blobOrFileInput)) {\n                return blobOrFileInput.value.replace(/.*(\\/|\\\\)/, \"\");\n            } else if (qq.isFile(blobOrFileInput)) {\n                if (blobOrFileInput.fileName !== null && blobOrFileInput.fileName !== undefined) {\n                    return blobOrFileInput.fileName;\n                }\n            }\n            return blobOrFileInput.name;\n        };\n        qq.DisposeSupport = function() {\n            var disposers = [];\n            return {\n                dispose: function() {\n                    var disposer;\n                    do {\n                        disposer = disposers.shift();\n                        if (disposer) {\n                            disposer();\n                        }\n                    } while (disposer);\n                },\n                attach: function() {\n                    var args = arguments;\n                    this.addDisposer(qq(args[0]).attach.apply(this, Array.prototype.slice.call(arguments, 1)));\n                },\n                addDisposer: function(disposeFunction) {\n                    disposers.push(disposeFunction);\n                }\n            };\n        };\n    })();\n    (function() {\n        \"use strict\";\n        if (typeof define === \"function\" && define.amd) {\n            define(function() {\n                return qq;\n            });\n        } else if (typeof module !== \"undefined\" && module.exports) {\n            module.exports = qq;\n        } else {\n            global.qq = qq;\n        }\n    })();\n    (function() {\n        \"use strict\";\n        qq.Error = function(message) {\n            this.message = \"[Fine Uploader \" + qq.version + \"] \" + message;\n        };\n        qq.Error.prototype = new Error();\n    })();\n    qq.version = \"5.16.2\";\n    qq.supportedFeatures = function() {\n        \"use strict\";\n        var supportsUploading, supportsUploadingBlobs, supportsFileDrop, supportsAjaxFileUploading, supportsFolderDrop, supportsChunking, supportsResume, supportsUploadViaPaste, supportsUploadCors, supportsDeleteFileXdr, supportsDeleteFileCorsXhr, supportsDeleteFileCors, supportsFolderSelection, supportsImagePreviews, supportsUploadProgress;\n        function testSupportsFileInputElement() {\n            var supported = true, tempInput;\n            try {\n                tempInput = document.createElement(\"input\");\n                tempInput.type = \"file\";\n                qq(tempInput).hide();\n                if (tempInput.disabled) {\n                    supported = false;\n                }\n            } catch (ex) {\n                supported = false;\n            }\n            return supported;\n        }\n        function isChrome14OrHigher() {\n            return (qq.chrome() || qq.opera()) && navigator.userAgent.match(/Chrome\\/[1][4-9]|Chrome\\/[2-9][0-9]/) !== undefined;\n        }\n        function isCrossOriginXhrSupported() {\n            if (window.XMLHttpRequest) {\n                var xhr = qq.createXhrInstance();\n                return xhr.withCredentials !== undefined;\n            }\n            return false;\n        }\n        function isXdrSupported() {\n            return window.XDomainRequest !== undefined;\n        }\n        function isCrossOriginAjaxSupported() {\n            if (isCrossOriginXhrSupported()) {\n                return true;\n            }\n            return isXdrSupported();\n        }\n        function isFolderSelectionSupported() {\n            return document.createElement(\"input\").webkitdirectory !== undefined;\n        }\n        function isLocalStorageSupported() {\n            try {\n                return !!window.localStorage && qq.isFunction(window.localStorage.setItem);\n            } catch (error) {\n                return false;\n            }\n        }\n        function isDragAndDropSupported() {\n            var span = document.createElement(\"span\");\n            return (\"draggable\" in span || \"ondragstart\" in span && \"ondrop\" in span) && !qq.android() && !qq.ios();\n        }\n        supportsUploading = testSupportsFileInputElement();\n        supportsAjaxFileUploading = supportsUploading && qq.isXhrUploadSupported();\n        supportsUploadingBlobs = supportsAjaxFileUploading && !qq.androidStock();\n        supportsFileDrop = supportsAjaxFileUploading && isDragAndDropSupported();\n        supportsFolderDrop = supportsFileDrop && function() {\n            var input = document.createElement(\"input\");\n            input.type = \"file\";\n            return !!(\"webkitdirectory\" in (input || document.querySelectorAll(\"input[type=file]\")[0]));\n        }();\n        supportsChunking = supportsAjaxFileUploading && qq.isFileChunkingSupported();\n        supportsResume = supportsAjaxFileUploading && supportsChunking && isLocalStorageSupported();\n        supportsUploadViaPaste = supportsAjaxFileUploading && isChrome14OrHigher();\n        supportsUploadCors = supportsUploading && (window.postMessage !== undefined || supportsAjaxFileUploading);\n        supportsDeleteFileCorsXhr = isCrossOriginXhrSupported();\n        supportsDeleteFileXdr = isXdrSupported();\n        supportsDeleteFileCors = isCrossOriginAjaxSupported();\n        supportsFolderSelection = isFolderSelectionSupported();\n        supportsImagePreviews = supportsAjaxFileUploading && window.FileReader !== undefined;\n        supportsUploadProgress = function() {\n            if (supportsAjaxFileUploading) {\n                return !qq.androidStock() && !qq.iosChrome();\n            }\n            return false;\n        }();\n        return {\n            ajaxUploading: supportsAjaxFileUploading,\n            blobUploading: supportsUploadingBlobs,\n            canDetermineSize: supportsAjaxFileUploading,\n            chunking: supportsChunking,\n            deleteFileCors: supportsDeleteFileCors,\n            deleteFileCorsXdr: supportsDeleteFileXdr,\n            deleteFileCorsXhr: supportsDeleteFileCorsXhr,\n            dialogElement: !!window.HTMLDialogElement,\n            fileDrop: supportsFileDrop,\n            folderDrop: supportsFolderDrop,\n            folderSelection: supportsFolderSelection,\n            imagePreviews: supportsImagePreviews,\n            imageValidation: supportsImagePreviews,\n            itemSizeValidation: supportsAjaxFileUploading,\n            pause: supportsChunking,\n            progressBar: supportsUploadProgress,\n            resume: supportsResume,\n            scaling: supportsImagePreviews && supportsUploadingBlobs,\n            tiffPreviews: qq.safari(),\n            unlimitedScaledImageSize: !qq.ios(),\n            uploading: supportsUploading,\n            uploadCors: supportsUploadCors,\n            uploadCustomHeaders: supportsAjaxFileUploading,\n            uploadNonMultipart: supportsAjaxFileUploading,\n            uploadViaPaste: supportsUploadViaPaste\n        };\n    }();\n    qq.isGenericPromise = function(maybePromise) {\n        \"use strict\";\n        return !!(maybePromise && maybePromise.then && qq.isFunction(maybePromise.then));\n    };\n    qq.Promise = function() {\n        \"use strict\";\n        var successArgs, failureArgs, successCallbacks = [], failureCallbacks = [], doneCallbacks = [], state = 0;\n        qq.extend(this, {\n            then: function(onSuccess, onFailure) {\n                if (state === 0) {\n                    if (onSuccess) {\n                        successCallbacks.push(onSuccess);\n                    }\n                    if (onFailure) {\n                        failureCallbacks.push(onFailure);\n                    }\n                } else if (state === -1) {\n                    onFailure && onFailure.apply(null, failureArgs);\n                } else if (onSuccess) {\n                    onSuccess.apply(null, successArgs);\n                }\n                return this;\n            },\n            done: function(callback) {\n                if (state === 0) {\n                    doneCallbacks.push(callback);\n                } else {\n                    callback.apply(null, failureArgs === undefined ? successArgs : failureArgs);\n                }\n                return this;\n            },\n            success: function() {\n                state = 1;\n                successArgs = arguments;\n                if (successCallbacks.length) {\n                    qq.each(successCallbacks, function(idx, callback) {\n                        callback.apply(null, successArgs);\n                    });\n                }\n                if (doneCallbacks.length) {\n                    qq.each(doneCallbacks, function(idx, callback) {\n                        callback.apply(null, successArgs);\n                    });\n                }\n                return this;\n            },\n            failure: function() {\n                state = -1;\n                failureArgs = arguments;\n                if (failureCallbacks.length) {\n                    qq.each(failureCallbacks, function(idx, callback) {\n                        callback.apply(null, failureArgs);\n                    });\n                }\n                if (doneCallbacks.length) {\n                    qq.each(doneCallbacks, function(idx, callback) {\n                        callback.apply(null, failureArgs);\n                    });\n                }\n                return this;\n            }\n        });\n    };\n    qq.BlobProxy = function(referenceBlob, onCreate) {\n        \"use strict\";\n        qq.extend(this, {\n            referenceBlob: referenceBlob,\n            create: function() {\n                return onCreate(referenceBlob);\n            }\n        });\n    };\n    qq.UploadButton = function(o) {\n        \"use strict\";\n        var self = this, disposeSupport = new qq.DisposeSupport(), options = {\n            acceptFiles: null,\n            element: null,\n            focusClass: \"qq-upload-button-focus\",\n            folders: false,\n            hoverClass: \"qq-upload-button-hover\",\n            ios8BrowserCrashWorkaround: false,\n            multiple: false,\n            name: \"qqfile\",\n            onChange: function(input) {},\n            title: null\n        }, input, buttonId;\n        qq.extend(options, o);\n        buttonId = qq.getUniqueId();\n        function createInput() {\n            var input = document.createElement(\"input\");\n            input.setAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME, buttonId);\n            input.setAttribute(\"title\", options.title);\n            self.setMultiple(options.multiple, input);\n            if (options.folders && qq.supportedFeatures.folderSelection) {\n                input.setAttribute(\"webkitdirectory\", \"\");\n            }\n            if (options.acceptFiles) {\n                input.setAttribute(\"accept\", options.acceptFiles);\n            }\n            input.setAttribute(\"type\", \"file\");\n            input.setAttribute(\"name\", options.name);\n            qq(input).css({\n                position: \"absolute\",\n                right: 0,\n                top: 0,\n                fontFamily: \"Arial\",\n                fontSize: qq.ie() && !qq.ie8() ? \"3500px\" : \"118px\",\n                margin: 0,\n                padding: 0,\n                cursor: \"pointer\",\n                opacity: 0\n            });\n            !qq.ie7() && qq(input).css({\n                height: \"100%\"\n            });\n            options.element.appendChild(input);\n            disposeSupport.attach(input, \"change\", function() {\n                options.onChange(input);\n            });\n            disposeSupport.attach(input, \"mouseover\", function() {\n                qq(options.element).addClass(options.hoverClass);\n            });\n            disposeSupport.attach(input, \"mouseout\", function() {\n                qq(options.element).removeClass(options.hoverClass);\n            });\n            disposeSupport.attach(input, \"focus\", function() {\n                qq(options.element).addClass(options.focusClass);\n            });\n            disposeSupport.attach(input, \"blur\", function() {\n                qq(options.element).removeClass(options.focusClass);\n            });\n            return input;\n        }\n        qq(options.element).css({\n            position: \"relative\",\n            overflow: \"hidden\",\n            direction: \"ltr\"\n        });\n        qq.extend(this, {\n            getInput: function() {\n                return input;\n            },\n            getButtonId: function() {\n                return buttonId;\n            },\n            setMultiple: function(isMultiple, optInput) {\n                var input = optInput || this.getInput();\n                if (options.ios8BrowserCrashWorkaround && qq.ios8() && (qq.iosChrome() || qq.iosSafariWebView())) {\n                    input.setAttribute(\"multiple\", \"\");\n                } else {\n                    if (isMultiple) {\n                        input.setAttribute(\"multiple\", \"\");\n                    } else {\n                        input.removeAttribute(\"multiple\");\n                    }\n                }\n            },\n            setAcceptFiles: function(acceptFiles) {\n                if (acceptFiles !== options.acceptFiles) {\n                    input.setAttribute(\"accept\", acceptFiles);\n                }\n            },\n            reset: function() {\n                if (input.parentNode) {\n                    qq(input).remove();\n                }\n                qq(options.element).removeClass(options.focusClass);\n                input = null;\n                input = createInput();\n            }\n        });\n        input = createInput();\n    };\n    qq.UploadButton.BUTTON_ID_ATTR_NAME = \"qq-button-id\";\n    qq.UploadData = function(uploaderProxy) {\n        \"use strict\";\n        var data = [], byUuid = {}, byStatus = {}, byProxyGroupId = {}, byBatchId = {};\n        function getDataByIds(idOrIds) {\n            if (qq.isArray(idOrIds)) {\n                var entries = [];\n                qq.each(idOrIds, function(idx, id) {\n                    entries.push(data[id]);\n                });\n                return entries;\n            }\n            return data[idOrIds];\n        }\n        function getDataByUuids(uuids) {\n            if (qq.isArray(uuids)) {\n                var entries = [];\n                qq.each(uuids, function(idx, uuid) {\n                    entries.push(data[byUuid[uuid]]);\n                });\n                return entries;\n            }\n            return data[byUuid[uuids]];\n        }\n        function getDataByStatus(status) {\n            var statusResults = [], statuses = [].concat(status);\n            qq.each(statuses, function(index, statusEnum) {\n                var statusResultIndexes = byStatus[statusEnum];\n                if (statusResultIndexes !== undefined) {\n                    qq.each(statusResultIndexes, function(i, dataIndex) {\n                        statusResults.push(data[dataIndex]);\n                    });\n                }\n            });\n            return statusResults;\n        }\n        qq.extend(this, {\n            addFile: function(spec) {\n                var status = spec.status || qq.status.SUBMITTING, id = data.push({\n                    name: spec.name,\n                    originalName: spec.name,\n                    uuid: spec.uuid,\n                    size: spec.size == null ? -1 : spec.size,\n                    status: status,\n                    file: spec.file\n                }) - 1;\n                if (spec.batchId) {\n                    data[id].batchId = spec.batchId;\n                    if (byBatchId[spec.batchId] === undefined) {\n                        byBatchId[spec.batchId] = [];\n                    }\n                    byBatchId[spec.batchId].push(id);\n                }\n                if (spec.proxyGroupId) {\n                    data[id].proxyGroupId = spec.proxyGroupId;\n                    if (byProxyGroupId[spec.proxyGroupId] === undefined) {\n                        byProxyGroupId[spec.proxyGroupId] = [];\n                    }\n                    byProxyGroupId[spec.proxyGroupId].push(id);\n                }\n                data[id].id = id;\n                byUuid[spec.uuid] = id;\n                if (byStatus[status] === undefined) {\n                    byStatus[status] = [];\n                }\n                byStatus[status].push(id);\n                spec.onBeforeStatusChange && spec.onBeforeStatusChange(id);\n                uploaderProxy.onStatusChange(id, null, status);\n                return id;\n            },\n            retrieve: function(optionalFilter) {\n                if (qq.isObject(optionalFilter) && data.length) {\n                    if (optionalFilter.id !== undefined) {\n                        return getDataByIds(optionalFilter.id);\n                    } else if (optionalFilter.uuid !== undefined) {\n                        return getDataByUuids(optionalFilter.uuid);\n                    } else if (optionalFilter.status) {\n                        return getDataByStatus(optionalFilter.status);\n                    }\n                } else {\n                    return qq.extend([], data, true);\n                }\n            },\n            removeFileRef: function(id) {\n                var record = getDataByIds(id);\n                if (record) {\n                    delete record.file;\n                }\n            },\n            reset: function() {\n                data = [];\n                byUuid = {};\n                byStatus = {};\n                byBatchId = {};\n            },\n            setStatus: function(id, newStatus) {\n                var oldStatus = data[id].status, byStatusOldStatusIndex = qq.indexOf(byStatus[oldStatus], id);\n                byStatus[oldStatus].splice(byStatusOldStatusIndex, 1);\n                data[id].status = newStatus;\n                if (byStatus[newStatus] === undefined) {\n                    byStatus[newStatus] = [];\n                }\n                byStatus[newStatus].push(id);\n                uploaderProxy.onStatusChange(id, oldStatus, newStatus);\n            },\n            uuidChanged: function(id, newUuid) {\n                var oldUuid = data[id].uuid;\n                data[id].uuid = newUuid;\n                byUuid[newUuid] = id;\n                delete byUuid[oldUuid];\n            },\n            updateName: function(id, newName) {\n                data[id].name = newName;\n            },\n            updateSize: function(id, newSize) {\n                data[id].size = newSize;\n            },\n            setParentId: function(targetId, parentId) {\n                data[targetId].parentId = parentId;\n            },\n            getIdsInProxyGroup: function(id) {\n                var proxyGroupId = data[id].proxyGroupId;\n                if (proxyGroupId) {\n                    return byProxyGroupId[proxyGroupId];\n                }\n                return [];\n            },\n            getIdsInBatch: function(id) {\n                var batchId = data[id].batchId;\n                return byBatchId[batchId];\n            }\n        });\n    };\n    qq.status = {\n        SUBMITTING: \"submitting\",\n        SUBMITTED: \"submitted\",\n        REJECTED: \"rejected\",\n        QUEUED: \"queued\",\n        CANCELED: \"canceled\",\n        PAUSED: \"paused\",\n        UPLOADING: \"uploading\",\n        UPLOAD_FINALIZING: \"upload finalizing\",\n        UPLOAD_RETRYING: \"retrying upload\",\n        UPLOAD_SUCCESSFUL: \"upload successful\",\n        UPLOAD_FAILED: \"upload failed\",\n        DELETE_FAILED: \"delete failed\",\n        DELETING: \"deleting\",\n        DELETED: \"deleted\"\n    };\n    (function() {\n        \"use strict\";\n        qq.basePublicApi = {\n            addBlobs: function(blobDataOrArray, params, endpoint) {\n                this.addFiles(blobDataOrArray, params, endpoint);\n            },\n            addInitialFiles: function(cannedFileList) {\n                var self = this;\n                qq.each(cannedFileList, function(index, cannedFile) {\n                    self._addCannedFile(cannedFile);\n                });\n            },\n            addFiles: function(data, params, endpoint) {\n                this._maybeHandleIos8SafariWorkaround();\n                var batchId = this._storedIds.length === 0 ? qq.getUniqueId() : this._currentBatchId, processBlob = qq.bind(function(blob) {\n                    this._handleNewFile({\n                        blob: blob,\n                        name: this._options.blobs.defaultName\n                    }, batchId, verifiedFiles);\n                }, this), processBlobData = qq.bind(function(blobData) {\n                    this._handleNewFile(blobData, batchId, verifiedFiles);\n                }, this), processCanvas = qq.bind(function(canvas) {\n                    var blob = qq.canvasToBlob(canvas);\n                    this._handleNewFile({\n                        blob: blob,\n                        name: this._options.blobs.defaultName + \".png\"\n                    }, batchId, verifiedFiles);\n                }, this), processCanvasData = qq.bind(function(canvasData) {\n                    var normalizedQuality = canvasData.quality && canvasData.quality / 100, blob = qq.canvasToBlob(canvasData.canvas, canvasData.type, normalizedQuality);\n                    this._handleNewFile({\n                        blob: blob,\n                        name: canvasData.name\n                    }, batchId, verifiedFiles);\n                }, this), processFileOrInput = qq.bind(function(fileOrInput) {\n                    if (qq.isInput(fileOrInput) && qq.supportedFeatures.ajaxUploading) {\n                        var files = Array.prototype.slice.call(fileOrInput.files), self = this;\n                        qq.each(files, function(idx, file) {\n                            self._handleNewFile(file, batchId, verifiedFiles);\n                        });\n                    } else {\n                        this._handleNewFile(fileOrInput, batchId, verifiedFiles);\n                    }\n                }, this), normalizeData = function() {\n                    if (qq.isFileList(data)) {\n                        data = Array.prototype.slice.call(data);\n                    }\n                    data = [].concat(data);\n                }, self = this, verifiedFiles = [];\n                this._currentBatchId = batchId;\n                if (data) {\n                    normalizeData();\n                    qq.each(data, function(idx, fileContainer) {\n                        if (qq.isFileOrInput(fileContainer)) {\n                            processFileOrInput(fileContainer);\n                        } else if (qq.isBlob(fileContainer)) {\n                            processBlob(fileContainer);\n                        } else if (qq.isObject(fileContainer)) {\n                            if (fileContainer.blob && fileContainer.name) {\n                                processBlobData(fileContainer);\n                            } else if (fileContainer.canvas && fileContainer.name) {\n                                processCanvasData(fileContainer);\n                            }\n                        } else if (fileContainer.tagName && fileContainer.tagName.toLowerCase() === \"canvas\") {\n                            processCanvas(fileContainer);\n                        } else {\n                            self.log(fileContainer + \" is not a valid file container!  Ignoring!\", \"warn\");\n                        }\n                    });\n                    this.log(\"Received \" + verifiedFiles.length + \" files.\");\n                    this._prepareItemsForUpload(verifiedFiles, params, endpoint);\n                }\n            },\n            cancel: function(id) {\n                var uploadData = this._uploadData.retrieve({\n                    id: id\n                });\n                if (uploadData && uploadData.status === qq.status.UPLOAD_FINALIZING) {\n                    this.log(qq.format(\"Ignoring cancel for file ID {} ({}).  Finalizing upload.\", id, this.getName(id)), \"error\");\n                } else {\n                    this._handler.cancel(id);\n                }\n            },\n            cancelAll: function() {\n                var storedIdsCopy = [], self = this;\n                qq.extend(storedIdsCopy, this._storedIds);\n                qq.each(storedIdsCopy, function(idx, storedFileId) {\n                    self.cancel(storedFileId);\n                });\n                this._handler.cancelAll();\n            },\n            clearStoredFiles: function() {\n                this._storedIds = [];\n            },\n            continueUpload: function(id) {\n                var uploadData = this._uploadData.retrieve({\n                    id: id\n                });\n                if (!qq.supportedFeatures.pause || !this._options.chunking.enabled) {\n                    return false;\n                }\n                if (uploadData.status === qq.status.PAUSED) {\n                    this.log(qq.format(\"Paused file ID {} ({}) will be continued.  Not paused.\", id, this.getName(id)));\n                    this._uploadFile(id);\n                    return true;\n                } else {\n                    this.log(qq.format(\"Ignoring continue for file ID {} ({}).  Not paused.\", id, this.getName(id)), \"error\");\n                }\n                return false;\n            },\n            deleteFile: function(id) {\n                return this._onSubmitDelete(id);\n            },\n            doesExist: function(fileOrBlobId) {\n                return this._handler.isValid(fileOrBlobId);\n            },\n            drawThumbnail: function(fileId, imgOrCanvas, maxSize, fromServer, customResizeFunction) {\n                var promiseToReturn = new qq.Promise(), fileOrUrl, options;\n                if (this._imageGenerator) {\n                    fileOrUrl = this._thumbnailUrls[fileId];\n                    options = {\n                        customResizeFunction: customResizeFunction,\n                        maxSize: maxSize > 0 ? maxSize : null,\n                        scale: maxSize > 0\n                    };\n                    if (!fromServer && qq.supportedFeatures.imagePreviews) {\n                        fileOrUrl = this.getFile(fileId);\n                    }\n                    if (fileOrUrl == null) {\n                        promiseToReturn.failure({\n                            container: imgOrCanvas,\n                            error: \"File or URL not found.\"\n                        });\n                    } else {\n                        this._imageGenerator.generate(fileOrUrl, imgOrCanvas, options).then(function success(modifiedContainer) {\n                            promiseToReturn.success(modifiedContainer);\n                        }, function failure(container, reason) {\n                            promiseToReturn.failure({\n                                container: container,\n                                error: reason || \"Problem generating thumbnail\"\n                            });\n                        });\n                    }\n                } else {\n                    promiseToReturn.failure({\n                        container: imgOrCanvas,\n                        error: \"Missing image generator module\"\n                    });\n                }\n                return promiseToReturn;\n            },\n            getButton: function(fileId) {\n                return this._getButton(this._buttonIdsForFileIds[fileId]);\n            },\n            getEndpoint: function(fileId) {\n                return this._endpointStore.get(fileId);\n            },\n            getFile: function(fileOrBlobId) {\n                var file = this._handler.getFile(fileOrBlobId);\n                var uploadDataRecord;\n                if (!file) {\n                    uploadDataRecord = this._uploadData.retrieve({\n                        id: fileOrBlobId\n                    });\n                    if (uploadDataRecord) {\n                        file = uploadDataRecord.file;\n                    }\n                }\n                return file || null;\n            },\n            getInProgress: function() {\n                return this._uploadData.retrieve({\n                    status: [ qq.status.UPLOADING, qq.status.UPLOAD_RETRYING, qq.status.QUEUED ]\n                }).length;\n            },\n            getName: function(id) {\n                return this._uploadData.retrieve({\n                    id: id\n                }).name;\n            },\n            getParentId: function(id) {\n                var uploadDataEntry = this.getUploads({\n                    id: id\n                }), parentId = null;\n                if (uploadDataEntry) {\n                    if (uploadDataEntry.parentId !== undefined) {\n                        parentId = uploadDataEntry.parentId;\n                    }\n                }\n                return parentId;\n            },\n            getResumableFilesData: function() {\n                return this._handler.getResumableFilesData();\n            },\n            getSize: function(id) {\n                return this._uploadData.retrieve({\n                    id: id\n                }).size;\n            },\n            getNetUploads: function() {\n                return this._netUploaded;\n            },\n            getRemainingAllowedItems: function() {\n                var allowedItems = this._currentItemLimit;\n                if (allowedItems > 0) {\n                    return allowedItems - this._netUploadedOrQueued;\n                }\n                return null;\n            },\n            getUploads: function(optionalFilter) {\n                return this._uploadData.retrieve(optionalFilter);\n            },\n            getUuid: function(id) {\n                return this._uploadData.retrieve({\n                    id: id\n                }).uuid;\n            },\n            isResumable: function(id) {\n                return this._handler.hasResumeRecord(id);\n            },\n            log: function(str, level) {\n                if (this._options.debug && (!level || level === \"info\")) {\n                    qq.log(\"[Fine Uploader \" + qq.version + \"] \" + str);\n                } else if (level && level !== \"info\") {\n                    qq.log(\"[Fine Uploader \" + qq.version + \"] \" + str, level);\n                }\n            },\n            pauseUpload: function(id) {\n                var uploadData = this._uploadData.retrieve({\n                    id: id\n                });\n                if (!qq.supportedFeatures.pause || !this._options.chunking.enabled) {\n                    return false;\n                }\n                if (qq.indexOf([ qq.status.UPLOADING, qq.status.UPLOAD_RETRYING ], uploadData.status) >= 0) {\n                    if (this._handler.pause(id)) {\n                        this._uploadData.setStatus(id, qq.status.PAUSED);\n                        return true;\n                    } else {\n                        this.log(qq.format(\"Unable to pause file ID {} ({}).\", id, this.getName(id)), \"error\");\n                    }\n                } else {\n                    this.log(qq.format(\"Ignoring pause for file ID {} ({}).  Not in progress.\", id, this.getName(id)), \"error\");\n                }\n                return false;\n            },\n            removeFileRef: function(id) {\n                this._handler.expunge(id);\n                this._uploadData.removeFileRef(id);\n            },\n            reset: function() {\n                this.log(\"Resetting uploader...\");\n                this._handler.reset();\n                this._storedIds = [];\n                this._autoRetries = [];\n                this._retryTimeouts = [];\n                this._preventRetries = [];\n                this._thumbnailUrls = [];\n                qq.each(this._buttons, function(idx, button) {\n                    button.reset();\n                });\n                this._paramsStore.reset();\n                this._endpointStore.reset();\n                this._netUploadedOrQueued = 0;\n                this._netUploaded = 0;\n                this._uploadData.reset();\n                this._buttonIdsForFileIds = [];\n                this._pasteHandler && this._pasteHandler.reset();\n                this._options.session.refreshOnReset && this._refreshSessionData();\n                this._succeededSinceLastAllComplete = [];\n                this._failedSinceLastAllComplete = [];\n                this._totalProgress && this._totalProgress.reset();\n                this._customResumeDataStore.reset();\n            },\n            retry: function(id) {\n                return this._manualRetry(id);\n            },\n            scaleImage: function(id, specs) {\n                var self = this;\n                return qq.Scaler.prototype.scaleImage(id, specs, {\n                    log: qq.bind(self.log, self),\n                    getFile: qq.bind(self.getFile, self),\n                    uploadData: self._uploadData\n                });\n            },\n            setCustomHeaders: function(headers, id) {\n                this._customHeadersStore.set(headers, id);\n            },\n            setCustomResumeData: function(id, data) {\n                this._customResumeDataStore.set(data, id);\n            },\n            setDeleteFileCustomHeaders: function(headers, id) {\n                this._deleteFileCustomHeadersStore.set(headers, id);\n            },\n            setDeleteFileEndpoint: function(endpoint, id) {\n                this._deleteFileEndpointStore.set(endpoint, id);\n            },\n            setDeleteFileParams: function(params, id) {\n                this._deleteFileParamsStore.set(params, id);\n            },\n            setEndpoint: function(endpoint, id) {\n                this._endpointStore.set(endpoint, id);\n            },\n            setForm: function(elementOrId) {\n                this._updateFormSupportAndParams(elementOrId);\n            },\n            setItemLimit: function(newItemLimit) {\n                this._currentItemLimit = newItemLimit;\n            },\n            setName: function(id, newName) {\n                this._uploadData.updateName(id, newName);\n            },\n            setParams: function(params, id) {\n                this._paramsStore.set(params, id);\n            },\n            setUuid: function(id, newUuid) {\n                return this._uploadData.uuidChanged(id, newUuid);\n            },\n            setStatus: function(id, newStatus) {\n                var fileRecord = this.getUploads({\n                    id: id\n                });\n                if (!fileRecord) {\n                    throw new qq.Error(id + \" is not a valid file ID.\");\n                }\n                switch (newStatus) {\n                  case qq.status.DELETED:\n                    this._onDeleteComplete(id, null, false);\n                    break;\n\n                  case qq.status.DELETE_FAILED:\n                    this._onDeleteComplete(id, null, true);\n                    break;\n\n                  default:\n                    var errorMessage = \"Method setStatus called on '\" + name + \"' not implemented yet for \" + newStatus;\n                    this.log(errorMessage);\n                    throw new qq.Error(errorMessage);\n                }\n            },\n            uploadStoredFiles: function() {\n                if (this._storedIds.length === 0) {\n                    this._itemError(\"noFilesError\");\n                } else {\n                    this._uploadStoredFiles();\n                }\n            }\n        };\n        qq.basePrivateApi = {\n            _addCannedFile: function(sessionData) {\n                var self = this;\n                return this._uploadData.addFile({\n                    uuid: sessionData.uuid,\n                    name: sessionData.name,\n                    size: sessionData.size,\n                    status: qq.status.UPLOAD_SUCCESSFUL,\n                    onBeforeStatusChange: function(id) {\n                        sessionData.deleteFileEndpoint && self.setDeleteFileEndpoint(sessionData.deleteFileEndpoint, id);\n                        sessionData.deleteFileParams && self.setDeleteFileParams(sessionData.deleteFileParams, id);\n                        if (sessionData.thumbnailUrl) {\n                            self._thumbnailUrls[id] = sessionData.thumbnailUrl;\n                        }\n                        self._netUploaded++;\n                        self._netUploadedOrQueued++;\n                    }\n                });\n            },\n            _annotateWithButtonId: function(file, associatedInput) {\n                if (qq.isFile(file)) {\n                    file.qqButtonId = this._getButtonId(associatedInput);\n                }\n            },\n            _batchError: function(message) {\n                this._options.callbacks.onError(null, null, message, undefined);\n            },\n            _createDeleteHandler: function() {\n                var self = this;\n                return new qq.DeleteFileAjaxRequester({\n                    method: this._options.deleteFile.method.toUpperCase(),\n                    maxConnections: this._options.maxConnections,\n                    uuidParamName: this._options.request.uuidName,\n                    customHeaders: this._deleteFileCustomHeadersStore,\n                    paramsStore: this._deleteFileParamsStore,\n                    endpointStore: this._deleteFileEndpointStore,\n                    cors: this._options.cors,\n                    log: qq.bind(self.log, self),\n                    onDelete: function(id) {\n                        self._onDelete(id);\n                        self._options.callbacks.onDelete(id);\n                    },\n                    onDeleteComplete: function(id, xhrOrXdr, isError) {\n                        self._onDeleteComplete(id, xhrOrXdr, isError);\n                        self._options.callbacks.onDeleteComplete(id, xhrOrXdr, isError);\n                    }\n                });\n            },\n            _createPasteHandler: function() {\n                var self = this;\n                return new qq.PasteSupport({\n                    targetElement: this._options.paste.targetElement,\n                    callbacks: {\n                        log: qq.bind(self.log, self),\n                        pasteReceived: function(blob) {\n                            self._handleCheckedCallback({\n                                name: \"onPasteReceived\",\n                                callback: qq.bind(self._options.callbacks.onPasteReceived, self, blob),\n                                onSuccess: qq.bind(self._handlePasteSuccess, self, blob),\n                                identifier: \"pasted image\"\n                            });\n                        }\n                    }\n                });\n            },\n            _createStore: function(initialValue, _readOnlyValues_) {\n                var store = {}, catchall = initialValue, perIdReadOnlyValues = {}, readOnlyValues = _readOnlyValues_, copy = function(orig) {\n                    if (qq.isObject(orig)) {\n                        return qq.extend({}, orig);\n                    }\n                    return orig;\n                }, getReadOnlyValues = function() {\n                    if (qq.isFunction(readOnlyValues)) {\n                        return readOnlyValues();\n                    }\n                    return readOnlyValues;\n                }, includeReadOnlyValues = function(id, existing) {\n                    if (readOnlyValues && qq.isObject(existing)) {\n                        qq.extend(existing, getReadOnlyValues());\n                    }\n                    if (perIdReadOnlyValues[id]) {\n                        qq.extend(existing, perIdReadOnlyValues[id]);\n                    }\n                };\n                return {\n                    set: function(val, id) {\n                        if (id == null) {\n                            store = {};\n                            catchall = copy(val);\n                        } else {\n                            store[id] = copy(val);\n                        }\n                    },\n                    get: function(id) {\n                        var values;\n                        if (id != null && store[id]) {\n                            values = store[id];\n                        } else {\n                            values = copy(catchall);\n                        }\n                        includeReadOnlyValues(id, values);\n                        return copy(values);\n                    },\n                    addReadOnly: function(id, values) {\n                        if (qq.isObject(store)) {\n                            if (id === null) {\n                                if (qq.isFunction(values)) {\n                                    readOnlyValues = values;\n                                } else {\n                                    readOnlyValues = readOnlyValues || {};\n                                    qq.extend(readOnlyValues, values);\n                                }\n                            } else {\n                                perIdReadOnlyValues[id] = perIdReadOnlyValues[id] || {};\n                                qq.extend(perIdReadOnlyValues[id], values);\n                            }\n                        }\n                    },\n                    remove: function(fileId) {\n                        return delete store[fileId];\n                    },\n                    reset: function() {\n                        store = {};\n                        perIdReadOnlyValues = {};\n                        catchall = initialValue;\n                    }\n                };\n            },\n            _createUploadDataTracker: function() {\n                var self = this;\n                return new qq.UploadData({\n                    getName: function(id) {\n                        return self.getName(id);\n                    },\n                    getUuid: function(id) {\n                        return self.getUuid(id);\n                    },\n                    getSize: function(id) {\n                        return self.getSize(id);\n                    },\n                    onStatusChange: function(id, oldStatus, newStatus) {\n                        self._onUploadStatusChange(id, oldStatus, newStatus);\n                        self._options.callbacks.onStatusChange(id, oldStatus, newStatus);\n                        self._maybeAllComplete(id, newStatus);\n                        if (self._totalProgress) {\n                            setTimeout(function() {\n                                self._totalProgress.onStatusChange(id, oldStatus, newStatus);\n                            }, 0);\n                        }\n                    }\n                });\n            },\n            _createUploadButton: function(spec) {\n                var self = this, acceptFiles = spec.accept || this._options.validation.acceptFiles, allowedExtensions = spec.allowedExtensions || this._options.validation.allowedExtensions, button;\n                function allowMultiple() {\n                    if (qq.supportedFeatures.ajaxUploading) {\n                        if (self._options.workarounds.iosEmptyVideos && qq.ios() && !qq.ios6() && self._isAllowedExtension(allowedExtensions, \".mov\")) {\n                            return false;\n                        }\n                        if (spec.multiple === undefined) {\n                            return self._options.multiple;\n                        }\n                        return spec.multiple;\n                    }\n                    return false;\n                }\n                button = new qq.UploadButton({\n                    acceptFiles: acceptFiles,\n                    element: spec.element,\n                    focusClass: this._options.classes.buttonFocus,\n                    folders: spec.folders,\n                    hoverClass: this._options.classes.buttonHover,\n                    ios8BrowserCrashWorkaround: this._options.workarounds.ios8BrowserCrash,\n                    multiple: allowMultiple(),\n                    name: this._options.request.inputName,\n                    onChange: function(input) {\n                        self._onInputChange(input);\n                    },\n                    title: spec.title == null ? this._options.text.fileInputTitle : spec.title\n                });\n                this._disposeSupport.addDisposer(function() {\n                    button.dispose();\n                });\n                self._buttons.push(button);\n                return button;\n            },\n            _createUploadHandler: function(additionalOptions, namespace) {\n                var self = this, lastOnProgress = {}, options = {\n                    debug: this._options.debug,\n                    maxConnections: this._options.maxConnections,\n                    cors: this._options.cors,\n                    paramsStore: this._paramsStore,\n                    endpointStore: this._endpointStore,\n                    chunking: this._options.chunking,\n                    resume: this._options.resume,\n                    blobs: this._options.blobs,\n                    log: qq.bind(self.log, self),\n                    preventRetryParam: this._options.retry.preventRetryResponseProperty,\n                    onProgress: function(id, name, loaded, total) {\n                        if (loaded < 0 || total < 0) {\n                            return;\n                        }\n                        if (lastOnProgress[id]) {\n                            if (lastOnProgress[id].loaded !== loaded || lastOnProgress[id].total !== total) {\n                                self._onProgress(id, name, loaded, total);\n                                self._options.callbacks.onProgress(id, name, loaded, total);\n                            }\n                        } else {\n                            self._onProgress(id, name, loaded, total);\n                            self._options.callbacks.onProgress(id, name, loaded, total);\n                        }\n                        lastOnProgress[id] = {\n                            loaded: loaded,\n                            total: total\n                        };\n                    },\n                    onComplete: function(id, name, result, xhr) {\n                        delete lastOnProgress[id];\n                        var status = self.getUploads({\n                            id: id\n                        }).status, retVal;\n                        if (status === qq.status.UPLOAD_SUCCESSFUL || status === qq.status.UPLOAD_FAILED) {\n                            return;\n                        }\n                        retVal = self._onComplete(id, name, result, xhr);\n                        if (retVal instanceof qq.Promise) {\n                            retVal.done(function() {\n                                self._options.callbacks.onComplete(id, name, result, xhr);\n                            });\n                        } else {\n                            self._options.callbacks.onComplete(id, name, result, xhr);\n                        }\n                    },\n                    onCancel: function(id, name, cancelFinalizationEffort) {\n                        var promise = new qq.Promise();\n                        self._handleCheckedCallback({\n                            name: \"onCancel\",\n                            callback: qq.bind(self._options.callbacks.onCancel, self, id, name),\n                            onFailure: promise.failure,\n                            onSuccess: function() {\n                                cancelFinalizationEffort.then(function() {\n                                    self._onCancel(id, name);\n                                });\n                                promise.success();\n                            },\n                            identifier: id\n                        });\n                        return promise;\n                    },\n                    onUploadPrep: qq.bind(this._onUploadPrep, this),\n                    onUpload: function(id, name) {\n                        self._onUpload(id, name);\n                        var onUploadResult = self._options.callbacks.onUpload(id, name);\n                        if (qq.isGenericPromise(onUploadResult)) {\n                            self.log(qq.format(\"onUpload for {} returned a Promise - waiting for resolution.\", id));\n                            return onUploadResult;\n                        }\n                        return new qq.Promise().success();\n                    },\n                    onUploadChunk: function(id, name, chunkData) {\n                        self._onUploadChunk(id, chunkData);\n                        var onUploadChunkResult = self._options.callbacks.onUploadChunk(id, name, chunkData);\n                        if (qq.isGenericPromise(onUploadChunkResult)) {\n                            self.log(qq.format(\"onUploadChunk for {}.{} returned a Promise - waiting for resolution.\", id, chunkData.partIndex));\n                            return onUploadChunkResult;\n                        }\n                        return new qq.Promise().success();\n                    },\n                    onUploadChunkSuccess: function(id, chunkData, result, xhr) {\n                        self._onUploadChunkSuccess(id, chunkData);\n                        self._options.callbacks.onUploadChunkSuccess.apply(self, arguments);\n                    },\n                    onResume: function(id, name, chunkData, customResumeData) {\n                        return self._options.callbacks.onResume(id, name, chunkData, customResumeData);\n                    },\n                    onAutoRetry: function(id, name, responseJSON, xhr) {\n                        return self._onAutoRetry.apply(self, arguments);\n                    },\n                    onUuidChanged: function(id, newUuid) {\n                        self.log(\"Server requested UUID change from '\" + self.getUuid(id) + \"' to '\" + newUuid + \"'\");\n                        self.setUuid(id, newUuid);\n                    },\n                    getName: qq.bind(self.getName, self),\n                    getUuid: qq.bind(self.getUuid, self),\n                    getSize: qq.bind(self.getSize, self),\n                    setSize: qq.bind(self._setSize, self),\n                    getDataByUuid: function(uuid) {\n                        return self.getUploads({\n                            uuid: uuid\n                        });\n                    },\n                    isQueued: function(id) {\n                        var status = self.getUploads({\n                            id: id\n                        }).status;\n                        return status === qq.status.QUEUED || status === qq.status.SUBMITTED || status === qq.status.UPLOAD_RETRYING || status === qq.status.PAUSED;\n                    },\n                    getIdsInProxyGroup: self._uploadData.getIdsInProxyGroup,\n                    getIdsInBatch: self._uploadData.getIdsInBatch,\n                    isInProgress: function(id) {\n                        return self.getUploads({\n                            id: id\n                        }).status === qq.status.UPLOADING;\n                    },\n                    getCustomResumeData: qq.bind(self._getCustomResumeData, self),\n                    setStatus: function(id, status) {\n                        self._uploadData.setStatus(id, status);\n                    }\n                };\n                qq.each(this._options.request, function(prop, val) {\n                    options[prop] = val;\n                });\n                options.customHeaders = this._customHeadersStore;\n                if (additionalOptions) {\n                    qq.each(additionalOptions, function(key, val) {\n                        options[key] = val;\n                    });\n                }\n                return new qq.UploadHandlerController(options, namespace);\n            },\n            _fileOrBlobRejected: function(id) {\n                this._netUploadedOrQueued--;\n                this._uploadData.setStatus(id, qq.status.REJECTED);\n            },\n            _formatSize: function(bytes) {\n                if (bytes === 0) {\n                    return bytes + this._options.text.sizeSymbols[0];\n                }\n                var i = -1;\n                do {\n                    bytes = bytes / 1e3;\n                    i++;\n                } while (bytes > 999);\n                return Math.max(bytes, .1).toFixed(1) + this._options.text.sizeSymbols[i];\n            },\n            _generateExtraButtonSpecs: function() {\n                var self = this;\n                this._extraButtonSpecs = {};\n                qq.each(this._options.extraButtons, function(idx, extraButtonOptionEntry) {\n                    var multiple = extraButtonOptionEntry.multiple, validation = qq.extend({}, self._options.validation, true), extraButtonSpec = qq.extend({}, extraButtonOptionEntry);\n                    if (multiple === undefined) {\n                        multiple = self._options.multiple;\n                    }\n                    if (extraButtonSpec.validation) {\n                        qq.extend(validation, extraButtonOptionEntry.validation, true);\n                    }\n                    qq.extend(extraButtonSpec, {\n                        multiple: multiple,\n                        validation: validation\n                    }, true);\n                    self._initExtraButton(extraButtonSpec);\n                });\n            },\n            _getButton: function(buttonId) {\n                var extraButtonsSpec = this._extraButtonSpecs[buttonId];\n                if (extraButtonsSpec) {\n                    return extraButtonsSpec.element;\n                } else if (buttonId === this._defaultButtonId) {\n                    return this._options.button;\n                }\n            },\n            _getButtonId: function(buttonOrFileInputOrFile) {\n                var inputs, fileInput, fileBlobOrInput = buttonOrFileInputOrFile;\n                if (fileBlobOrInput instanceof qq.BlobProxy) {\n                    fileBlobOrInput = fileBlobOrInput.referenceBlob;\n                }\n                if (fileBlobOrInput && !qq.isBlob(fileBlobOrInput)) {\n                    if (qq.isFile(fileBlobOrInput)) {\n                        return fileBlobOrInput.qqButtonId;\n                    } else if (fileBlobOrInput.tagName.toLowerCase() === \"input\" && fileBlobOrInput.type.toLowerCase() === \"file\") {\n                        return fileBlobOrInput.getAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME);\n                    }\n                    inputs = fileBlobOrInput.getElementsByTagName(\"input\");\n                    qq.each(inputs, function(idx, input) {\n                        if (input.getAttribute(\"type\") === \"file\") {\n                            fileInput = input;\n                            return false;\n                        }\n                    });\n                    if (fileInput) {\n                        return fileInput.getAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME);\n                    }\n                }\n            },\n            _getCustomResumeData: function(fileId) {\n                return this._customResumeDataStore.get(fileId);\n            },\n            _getNotFinished: function() {\n                return this._uploadData.retrieve({\n                    status: [ qq.status.UPLOADING, qq.status.UPLOAD_RETRYING, qq.status.QUEUED, qq.status.SUBMITTING, qq.status.SUBMITTED, qq.status.PAUSED ]\n                }).length;\n            },\n            _getValidationBase: function(buttonId) {\n                var extraButtonSpec = this._extraButtonSpecs[buttonId];\n                return extraButtonSpec ? extraButtonSpec.validation : this._options.validation;\n            },\n            _getValidationDescriptor: function(fileWrapper) {\n                if (fileWrapper.file instanceof qq.BlobProxy) {\n                    return {\n                        name: qq.getFilename(fileWrapper.file.referenceBlob),\n                        size: fileWrapper.file.referenceBlob.size\n                    };\n                }\n                return {\n                    name: this.getUploads({\n                        id: fileWrapper.id\n                    }).name,\n                    size: this.getUploads({\n                        id: fileWrapper.id\n                    }).size\n                };\n            },\n            _getValidationDescriptors: function(fileWrappers) {\n                var self = this, fileDescriptors = [];\n                qq.each(fileWrappers, function(idx, fileWrapper) {\n                    fileDescriptors.push(self._getValidationDescriptor(fileWrapper));\n                });\n                return fileDescriptors;\n            },\n            _handleCameraAccess: function() {\n                if (this._options.camera.ios && qq.ios()) {\n                    var acceptIosCamera = \"image/*;capture=camera\", button = this._options.camera.button, buttonId = button ? this._getButtonId(button) : this._defaultButtonId, optionRoot = this._options;\n                    if (buttonId && buttonId !== this._defaultButtonId) {\n                        optionRoot = this._extraButtonSpecs[buttonId];\n                    }\n                    optionRoot.multiple = false;\n                    if (optionRoot.validation.acceptFiles === null) {\n                        optionRoot.validation.acceptFiles = acceptIosCamera;\n                    } else {\n                        optionRoot.validation.acceptFiles += \",\" + acceptIosCamera;\n                    }\n                    qq.each(this._buttons, function(idx, button) {\n                        if (button.getButtonId() === buttonId) {\n                            button.setMultiple(optionRoot.multiple);\n                            button.setAcceptFiles(optionRoot.acceptFiles);\n                            return false;\n                        }\n                    });\n                }\n            },\n            _handleCheckedCallback: function(details) {\n                var self = this, callbackRetVal = details.callback();\n                if (qq.isGenericPromise(callbackRetVal)) {\n                    this.log(details.name + \" - waiting for \" + details.name + \" promise to be fulfilled for \" + details.identifier);\n                    return callbackRetVal.then(function(successParam) {\n                        self.log(details.name + \" promise success for \" + details.identifier);\n                        details.onSuccess(successParam);\n                    }, function() {\n                        if (details.onFailure) {\n                            self.log(details.name + \" promise failure for \" + details.identifier);\n                            details.onFailure();\n                        } else {\n                            self.log(details.name + \" promise failure for \" + details.identifier);\n                        }\n                    });\n                }\n                if (callbackRetVal !== false) {\n                    details.onSuccess(callbackRetVal);\n                } else {\n                    if (details.onFailure) {\n                        this.log(details.name + \" - return value was 'false' for \" + details.identifier + \".  Invoking failure callback.\");\n                        details.onFailure();\n                    } else {\n                        this.log(details.name + \" - return value was 'false' for \" + details.identifier + \".  Will not proceed.\");\n                    }\n                }\n                return callbackRetVal;\n            },\n            _handleNewFile: function(file, batchId, newFileWrapperList) {\n                var self = this, uuid = qq.getUniqueId(), size = -1, name = qq.getFilename(file), actualFile = file.blob || file, handler = this._customNewFileHandler ? this._customNewFileHandler : qq.bind(self._handleNewFileGeneric, self);\n                if (!qq.isInput(actualFile) && actualFile.size >= 0) {\n                    size = actualFile.size;\n                }\n                handler(actualFile, name, uuid, size, newFileWrapperList, batchId, this._options.request.uuidName, {\n                    uploadData: self._uploadData,\n                    paramsStore: self._paramsStore,\n                    addFileToHandler: function(id, file) {\n                        self._handler.add(id, file);\n                        self._netUploadedOrQueued++;\n                        self._trackButton(id);\n                    }\n                });\n            },\n            _handleNewFileGeneric: function(file, name, uuid, size, fileList, batchId) {\n                var id = this._uploadData.addFile({\n                    uuid: uuid,\n                    name: name,\n                    size: size,\n                    batchId: batchId,\n                    file: file\n                });\n                this._handler.add(id, file);\n                this._trackButton(id);\n                this._netUploadedOrQueued++;\n                fileList.push({\n                    id: id,\n                    file: file\n                });\n            },\n            _handlePasteSuccess: function(blob, extSuppliedName) {\n                var extension = blob.type.split(\"/\")[1], name = extSuppliedName;\n                if (name == null) {\n                    name = this._options.paste.defaultName;\n                }\n                name += \".\" + extension;\n                this.addFiles({\n                    name: name,\n                    blob: blob\n                });\n            },\n            _handleDeleteSuccess: function(id) {\n                if (this.getUploads({\n                    id: id\n                }).status !== qq.status.DELETED) {\n                    var name = this.getName(id);\n                    this._netUploadedOrQueued--;\n                    this._netUploaded--;\n                    this._handler.expunge(id);\n                    this._uploadData.setStatus(id, qq.status.DELETED);\n                    this.log(\"Delete request for '\" + name + \"' has succeeded.\");\n                }\n            },\n            _handleDeleteFailed: function(id, xhrOrXdr) {\n                var name = this.getName(id);\n                this._uploadData.setStatus(id, qq.status.DELETE_FAILED);\n                this.log(\"Delete request for '\" + name + \"' has failed.\", \"error\");\n                if (!xhrOrXdr || xhrOrXdr.withCredentials === undefined) {\n                    this._options.callbacks.onError(id, name, \"Delete request failed\", xhrOrXdr);\n                } else {\n                    this._options.callbacks.onError(id, name, \"Delete request failed with response code \" + xhrOrXdr.status, xhrOrXdr);\n                }\n            },\n            _initExtraButton: function(spec) {\n                var button = this._createUploadButton({\n                    accept: spec.validation.acceptFiles,\n                    allowedExtensions: spec.validation.allowedExtensions,\n                    element: spec.element,\n                    folders: spec.folders,\n                    multiple: spec.multiple,\n                    title: spec.fileInputTitle\n                });\n                this._extraButtonSpecs[button.getButtonId()] = spec;\n            },\n            _initFormSupportAndParams: function() {\n                this._formSupport = qq.FormSupport && new qq.FormSupport(this._options.form, qq.bind(this.uploadStoredFiles, this), qq.bind(this.log, this));\n                if (this._formSupport && this._formSupport.attachedToForm) {\n                    this._paramsStore = this._createStore(this._options.request.params, this._formSupport.getFormInputsAsObject);\n                    this._options.autoUpload = this._formSupport.newAutoUpload;\n                    if (this._formSupport.newEndpoint) {\n                        this._options.request.endpoint = this._formSupport.newEndpoint;\n                    }\n                } else {\n                    this._paramsStore = this._createStore(this._options.request.params);\n                }\n            },\n            _isDeletePossible: function() {\n                if (!qq.DeleteFileAjaxRequester || !this._options.deleteFile.enabled) {\n                    return false;\n                }\n                if (this._options.cors.expected) {\n                    if (qq.supportedFeatures.deleteFileCorsXhr) {\n                        return true;\n                    }\n                    if (qq.supportedFeatures.deleteFileCorsXdr && this._options.cors.allowXdr) {\n                        return true;\n                    }\n                    return false;\n                }\n                return true;\n            },\n            _isAllowedExtension: function(allowed, fileName) {\n                var valid = false;\n                if (!allowed.length) {\n                    return true;\n                }\n                qq.each(allowed, function(idx, allowedExt) {\n                    if (qq.isString(allowedExt)) {\n                        var extRegex = new RegExp(\"\\\\.\" + allowedExt + \"$\", \"i\");\n                        if (fileName.match(extRegex) != null) {\n                            valid = true;\n                            return false;\n                        }\n                    }\n                });\n                return valid;\n            },\n            _itemError: function(code, maybeNameOrNames, item) {\n                var message = this._options.messages[code], allowedExtensions = [], names = [].concat(maybeNameOrNames), name = names[0], buttonId = this._getButtonId(item), validationBase = this._getValidationBase(buttonId), extensionsForMessage, placeholderMatch;\n                function r(name, replacement) {\n                    message = message.replace(name, replacement);\n                }\n                qq.each(validationBase.allowedExtensions, function(idx, allowedExtension) {\n                    if (qq.isString(allowedExtension)) {\n                        allowedExtensions.push(allowedExtension);\n                    }\n                });\n                extensionsForMessage = allowedExtensions.join(\", \").toLowerCase();\n                r(\"{file}\", this._options.formatFileName(name));\n                r(\"{extensions}\", extensionsForMessage);\n                r(\"{sizeLimit}\", this._formatSize(validationBase.sizeLimit));\n                r(\"{minSizeLimit}\", this._formatSize(validationBase.minSizeLimit));\n                placeholderMatch = message.match(/(\\{\\w+\\})/g);\n                if (placeholderMatch !== null) {\n                    qq.each(placeholderMatch, function(idx, placeholder) {\n                        r(placeholder, names[idx]);\n                    });\n                }\n                this._options.callbacks.onError(null, name, message, undefined);\n                return message;\n            },\n            _manualRetry: function(id, callback) {\n                if (this._onBeforeManualRetry(id)) {\n                    this._netUploadedOrQueued++;\n                    this._uploadData.setStatus(id, qq.status.UPLOAD_RETRYING);\n                    if (callback) {\n                        callback(id);\n                    } else {\n                        this._handler.retry(id);\n                    }\n                    return true;\n                }\n            },\n            _maybeAllComplete: function(id, status) {\n                var self = this, notFinished = this._getNotFinished();\n                if (status === qq.status.UPLOAD_SUCCESSFUL) {\n                    this._succeededSinceLastAllComplete.push(id);\n                } else if (status === qq.status.UPLOAD_FAILED) {\n                    this._failedSinceLastAllComplete.push(id);\n                }\n                if (notFinished === 0 && (this._succeededSinceLastAllComplete.length || this._failedSinceLastAllComplete.length)) {\n                    setTimeout(function() {\n                        self._onAllComplete(self._succeededSinceLastAllComplete, self._failedSinceLastAllComplete);\n                    }, 0);\n                }\n            },\n            _maybeHandleIos8SafariWorkaround: function() {\n                var self = this;\n                if (this._options.workarounds.ios8SafariUploads && qq.ios800() && qq.iosSafari()) {\n                    setTimeout(function() {\n                        window.alert(self._options.messages.unsupportedBrowserIos8Safari);\n                    }, 0);\n                    throw new qq.Error(this._options.messages.unsupportedBrowserIos8Safari);\n                }\n            },\n            _maybeParseAndSendUploadError: function(id, name, response, xhr) {\n                if (!response.success) {\n                    if (xhr && xhr.status !== 200 && !response.error) {\n                        this._options.callbacks.onError(id, name, \"XHR returned response code \" + xhr.status, xhr);\n                    } else {\n                        var errorReason = response.error ? response.error : this._options.text.defaultResponseError;\n                        this._options.callbacks.onError(id, name, errorReason, xhr);\n                    }\n                }\n            },\n            _maybeProcessNextItemAfterOnValidateCallback: function(validItem, items, index, params, endpoint) {\n                var self = this;\n                if (items.length > index) {\n                    if (validItem || !this._options.validation.stopOnFirstInvalidFile) {\n                        setTimeout(function() {\n                            var validationDescriptor = self._getValidationDescriptor(items[index]), buttonId = self._getButtonId(items[index].file), button = self._getButton(buttonId);\n                            self._handleCheckedCallback({\n                                name: \"onValidate\",\n                                callback: qq.bind(self._options.callbacks.onValidate, self, validationDescriptor, button),\n                                onSuccess: qq.bind(self._onValidateCallbackSuccess, self, items, index, params, endpoint),\n                                onFailure: qq.bind(self._onValidateCallbackFailure, self, items, index, params, endpoint),\n                                identifier: \"Item '\" + validationDescriptor.name + \"', size: \" + validationDescriptor.size\n                            });\n                        }, 0);\n                    } else if (!validItem) {\n                        for (;index < items.length; index++) {\n                            self._fileOrBlobRejected(items[index].id);\n                        }\n                    }\n                }\n            },\n            _onAllComplete: function(successful, failed) {\n                this._totalProgress && this._totalProgress.onAllComplete(successful, failed, this._preventRetries);\n                this._options.callbacks.onAllComplete(qq.extend([], successful), qq.extend([], failed));\n                this._succeededSinceLastAllComplete = [];\n                this._failedSinceLastAllComplete = [];\n            },\n            _onAutoRetry: function(id, name, responseJSON, xhr, callback) {\n                var self = this;\n                self._preventRetries[id] = responseJSON[self._options.retry.preventRetryResponseProperty];\n                if (self._shouldAutoRetry(id)) {\n                    var retryWaitPeriod = self._options.retry.autoAttemptDelay * 1e3;\n                    self._maybeParseAndSendUploadError.apply(self, arguments);\n                    self._options.callbacks.onAutoRetry(id, name, self._autoRetries[id]);\n                    self._onBeforeAutoRetry(id, name);\n                    self._uploadData.setStatus(id, qq.status.UPLOAD_RETRYING);\n                    self._retryTimeouts[id] = setTimeout(function() {\n                        self.log(\"Starting retry for \" + name + \"...\");\n                        if (callback) {\n                            callback(id);\n                        } else {\n                            self._handler.retry(id);\n                        }\n                    }, retryWaitPeriod);\n                    return true;\n                }\n            },\n            _onBeforeAutoRetry: function(id, name) {\n                this.log(\"Waiting \" + this._options.retry.autoAttemptDelay + \" seconds before retrying \" + name + \"...\");\n            },\n            _onBeforeManualRetry: function(id) {\n                var itemLimit = this._currentItemLimit, fileName;\n                if (this._preventRetries[id]) {\n                    this.log(\"Retries are forbidden for id \" + id, \"warn\");\n                    return false;\n                } else if (this._handler.isValid(id)) {\n                    fileName = this.getName(id);\n                    if (this._options.callbacks.onManualRetry(id, fileName) === false) {\n                        return false;\n                    }\n                    if (itemLimit > 0 && this._netUploadedOrQueued + 1 > itemLimit) {\n                        this._itemError(\"retryFailTooManyItems\");\n                        return false;\n                    }\n                    this.log(\"Retrying upload for '\" + fileName + \"' (id: \" + id + \")...\");\n                    return true;\n                } else {\n                    this.log(\"'\" + id + \"' is not a valid file ID\", \"error\");\n                    return false;\n                }\n            },\n            _onCancel: function(id, name) {\n                this._netUploadedOrQueued--;\n                clearTimeout(this._retryTimeouts[id]);\n                var storedItemIndex = qq.indexOf(this._storedIds, id);\n                if (!this._options.autoUpload && storedItemIndex >= 0) {\n                    this._storedIds.splice(storedItemIndex, 1);\n                }\n                this._uploadData.setStatus(id, qq.status.CANCELED);\n            },\n            _onComplete: function(id, name, result, xhr) {\n                if (!result.success) {\n                    this._netUploadedOrQueued--;\n                    this._uploadData.setStatus(id, qq.status.UPLOAD_FAILED);\n                    if (result[this._options.retry.preventRetryResponseProperty] === true) {\n                        this._preventRetries[id] = true;\n                    }\n                } else {\n                    if (result.thumbnailUrl) {\n                        this._thumbnailUrls[id] = result.thumbnailUrl;\n                    }\n                    this._netUploaded++;\n                    this._uploadData.setStatus(id, qq.status.UPLOAD_SUCCESSFUL);\n                }\n                this._maybeParseAndSendUploadError(id, name, result, xhr);\n                return result.success ? true : false;\n            },\n            _onDelete: function(id) {\n                this._uploadData.setStatus(id, qq.status.DELETING);\n            },\n            _onDeleteComplete: function(id, xhrOrXdr, isError) {\n                var name = this.getName(id);\n                if (isError) {\n                    this._handleDeleteFailed(id, xhrOrXdr);\n                } else {\n                    this._handleDeleteSuccess(id);\n                }\n            },\n            _onInputChange: function(input) {\n                var fileIndex;\n                if (qq.supportedFeatures.ajaxUploading) {\n                    for (fileIndex = 0; fileIndex < input.files.length; fileIndex++) {\n                        this._annotateWithButtonId(input.files[fileIndex], input);\n                    }\n                    this.addFiles(input.files);\n                } else if (input.value.length > 0) {\n                    this.addFiles(input);\n                }\n                qq.each(this._buttons, function(idx, button) {\n                    button.reset();\n                });\n            },\n            _onProgress: function(id, name, loaded, total) {\n                this._totalProgress && this._totalProgress.onIndividualProgress(id, loaded, total);\n            },\n            _onSubmit: function(id, name) {},\n            _onSubmitCallbackSuccess: function(id, name) {\n                this._onSubmit.apply(this, arguments);\n                this._uploadData.setStatus(id, qq.status.SUBMITTED);\n                this._onSubmitted.apply(this, arguments);\n                if (this._options.autoUpload) {\n                    this._options.callbacks.onSubmitted.apply(this, arguments);\n                    this._uploadFile(id);\n                } else {\n                    this._storeForLater(id);\n                    this._options.callbacks.onSubmitted.apply(this, arguments);\n                }\n            },\n            _onSubmitDelete: function(id, onSuccessCallback, additionalMandatedParams) {\n                var uuid = this.getUuid(id), adjustedOnSuccessCallback;\n                if (onSuccessCallback) {\n                    adjustedOnSuccessCallback = qq.bind(onSuccessCallback, this, id, uuid, additionalMandatedParams);\n                }\n                if (this._isDeletePossible()) {\n                    this._handleCheckedCallback({\n                        name: \"onSubmitDelete\",\n                        callback: qq.bind(this._options.callbacks.onSubmitDelete, this, id),\n                        onSuccess: adjustedOnSuccessCallback || qq.bind(this._deleteHandler.sendDelete, this, id, uuid, additionalMandatedParams),\n                        identifier: id\n                    });\n                    return true;\n                } else {\n                    this.log(\"Delete request ignored for ID \" + id + \", delete feature is disabled or request not possible \" + \"due to CORS on a user agent that does not support pre-flighting.\", \"warn\");\n                    return false;\n                }\n            },\n            _onSubmitted: function(id) {},\n            _onTotalProgress: function(loaded, total) {\n                this._options.callbacks.onTotalProgress(loaded, total);\n            },\n            _onUploadPrep: function(id) {},\n            _onUpload: function(id, name) {\n                this._uploadData.setStatus(id, qq.status.UPLOADING);\n            },\n            _onUploadChunk: function(id, chunkData) {},\n            _onUploadChunkSuccess: function(id, chunkData) {\n                if (!this._preventRetries[id] && this._options.retry.enableAuto) {\n                    this._autoRetries[id] = 0;\n                }\n            },\n            _onUploadStatusChange: function(id, oldStatus, newStatus) {\n                if (newStatus === qq.status.PAUSED) {\n                    clearTimeout(this._retryTimeouts[id]);\n                }\n            },\n            _onValidateBatchCallbackFailure: function(fileWrappers) {\n                var self = this;\n                qq.each(fileWrappers, function(idx, fileWrapper) {\n                    self._fileOrBlobRejected(fileWrapper.id);\n                });\n            },\n            _onValidateBatchCallbackSuccess: function(validationDescriptors, items, params, endpoint, button) {\n                var errorMessage, itemLimit = this._currentItemLimit, proposedNetFilesUploadedOrQueued = this._netUploadedOrQueued;\n                if (itemLimit === 0 || proposedNetFilesUploadedOrQueued <= itemLimit) {\n                    if (items.length > 0) {\n                        this._handleCheckedCallback({\n                            name: \"onValidate\",\n                            callback: qq.bind(this._options.callbacks.onValidate, this, validationDescriptors[0], button),\n                            onSuccess: qq.bind(this._onValidateCallbackSuccess, this, items, 0, params, endpoint),\n                            onFailure: qq.bind(this._onValidateCallbackFailure, this, items, 0, params, endpoint),\n                            identifier: \"Item '\" + items[0].file.name + \"', size: \" + items[0].file.size\n                        });\n                    } else {\n                        this._itemError(\"noFilesError\");\n                    }\n                } else {\n                    this._onValidateBatchCallbackFailure(items);\n                    errorMessage = this._options.messages.tooManyItemsError.replace(/\\{netItems\\}/g, proposedNetFilesUploadedOrQueued).replace(/\\{itemLimit\\}/g, itemLimit);\n                    this._batchError(errorMessage);\n                }\n            },\n            _onValidateCallbackFailure: function(items, index, params, endpoint) {\n                var nextIndex = index + 1;\n                this._fileOrBlobRejected(items[index].id, items[index].file.name);\n                this._maybeProcessNextItemAfterOnValidateCallback(false, items, nextIndex, params, endpoint);\n            },\n            _onValidateCallbackSuccess: function(items, index, params, endpoint) {\n                var self = this, nextIndex = index + 1, validationDescriptor = this._getValidationDescriptor(items[index]);\n                this._validateFileOrBlobData(items[index], validationDescriptor).then(function() {\n                    self._upload(items[index].id, params, endpoint);\n                    self._maybeProcessNextItemAfterOnValidateCallback(true, items, nextIndex, params, endpoint);\n                }, function() {\n                    self._maybeProcessNextItemAfterOnValidateCallback(false, items, nextIndex, params, endpoint);\n                });\n            },\n            _prepareItemsForUpload: function(items, params, endpoint) {\n                if (items.length === 0) {\n                    this._itemError(\"noFilesError\");\n                    return;\n                }\n                var validationDescriptors = this._getValidationDescriptors(items), buttonId = this._getButtonId(items[0].file), button = this._getButton(buttonId);\n                this._handleCheckedCallback({\n                    name: \"onValidateBatch\",\n                    callback: qq.bind(this._options.callbacks.onValidateBatch, this, validationDescriptors, button),\n                    onSuccess: qq.bind(this._onValidateBatchCallbackSuccess, this, validationDescriptors, items, params, endpoint, button),\n                    onFailure: qq.bind(this._onValidateBatchCallbackFailure, this, items),\n                    identifier: \"batch validation\"\n                });\n            },\n            _preventLeaveInProgress: function() {\n                var self = this;\n                this._disposeSupport.attach(window, \"beforeunload\", function(e) {\n                    if (self.getInProgress()) {\n                        e = e || window.event;\n                        e.returnValue = self._options.messages.onLeave;\n                        return self._options.messages.onLeave;\n                    }\n                });\n            },\n            _refreshSessionData: function() {\n                var self = this, options = this._options.session;\n                if (qq.Session && this._options.session.endpoint != null) {\n                    if (!this._session) {\n                        qq.extend(options, {\n                            cors: this._options.cors\n                        });\n                        options.log = qq.bind(this.log, this);\n                        options.addFileRecord = qq.bind(this._addCannedFile, this);\n                        this._session = new qq.Session(options);\n                    }\n                    setTimeout(function() {\n                        self._session.refresh().then(function(response, xhrOrXdr) {\n                            self._sessionRequestComplete();\n                            self._options.callbacks.onSessionRequestComplete(response, true, xhrOrXdr);\n                        }, function(response, xhrOrXdr) {\n                            self._options.callbacks.onSessionRequestComplete(response, false, xhrOrXdr);\n                        });\n                    }, 0);\n                }\n            },\n            _sessionRequestComplete: function() {},\n            _setSize: function(id, newSize) {\n                this._uploadData.updateSize(id, newSize);\n                this._totalProgress && this._totalProgress.onNewSize(id);\n            },\n            _shouldAutoRetry: function(id) {\n                var uploadData = this._uploadData.retrieve({\n                    id: id\n                });\n                if (!this._preventRetries[id] && this._options.retry.enableAuto && uploadData.status !== qq.status.PAUSED) {\n                    if (this._autoRetries[id] === undefined) {\n                        this._autoRetries[id] = 0;\n                    }\n                    if (this._autoRetries[id] < this._options.retry.maxAutoAttempts) {\n                        this._autoRetries[id] += 1;\n                        return true;\n                    }\n                }\n                return false;\n            },\n            _storeForLater: function(id) {\n                this._storedIds.push(id);\n            },\n            _trackButton: function(id) {\n                var buttonId;\n                if (qq.supportedFeatures.ajaxUploading) {\n                    buttonId = this._handler.getFile(id).qqButtonId;\n                } else {\n                    buttonId = this._getButtonId(this._handler.getInput(id));\n                }\n                if (buttonId) {\n                    this._buttonIdsForFileIds[id] = buttonId;\n                }\n            },\n            _updateFormSupportAndParams: function(formElementOrId) {\n                this._options.form.element = formElementOrId;\n                this._formSupport = qq.FormSupport && new qq.FormSupport(this._options.form, qq.bind(this.uploadStoredFiles, this), qq.bind(this.log, this));\n                if (this._formSupport && this._formSupport.attachedToForm) {\n                    this._paramsStore.addReadOnly(null, this._formSupport.getFormInputsAsObject);\n                    this._options.autoUpload = this._formSupport.newAutoUpload;\n                    if (this._formSupport.newEndpoint) {\n                        this.setEndpoint(this._formSupport.newEndpoint);\n                    }\n                }\n            },\n            _upload: function(id, params, endpoint) {\n                var name = this.getName(id);\n                if (params) {\n                    this.setParams(params, id);\n                }\n                if (endpoint) {\n                    this.setEndpoint(endpoint, id);\n                }\n                this._handleCheckedCallback({\n                    name: \"onSubmit\",\n                    callback: qq.bind(this._options.callbacks.onSubmit, this, id, name),\n                    onSuccess: qq.bind(this._onSubmitCallbackSuccess, this, id, name),\n                    onFailure: qq.bind(this._fileOrBlobRejected, this, id, name),\n                    identifier: id\n                });\n            },\n            _uploadFile: function(id) {\n                if (!this._handler.upload(id)) {\n                    this._uploadData.setStatus(id, qq.status.QUEUED);\n                }\n            },\n            _uploadStoredFiles: function() {\n                var idToUpload, stillSubmitting, self = this;\n                while (this._storedIds.length) {\n                    idToUpload = this._storedIds.shift();\n                    this._uploadFile(idToUpload);\n                }\n                stillSubmitting = this.getUploads({\n                    status: qq.status.SUBMITTING\n                }).length;\n                if (stillSubmitting) {\n                    qq.log(\"Still waiting for \" + stillSubmitting + \" files to clear submit queue. Will re-parse stored IDs array shortly.\");\n                    setTimeout(function() {\n                        self._uploadStoredFiles();\n                    }, 1e3);\n                }\n            },\n            _validateFileOrBlobData: function(fileWrapper, validationDescriptor) {\n                var self = this, file = function() {\n                    if (fileWrapper.file instanceof qq.BlobProxy) {\n                        return fileWrapper.file.referenceBlob;\n                    }\n                    return fileWrapper.file;\n                }(), name = validationDescriptor.name, size = validationDescriptor.size, buttonId = this._getButtonId(fileWrapper.file), validationBase = this._getValidationBase(buttonId), validityChecker = new qq.Promise();\n                validityChecker.then(function() {}, function() {\n                    self._fileOrBlobRejected(fileWrapper.id, name);\n                });\n                if (qq.isFileOrInput(file) && !this._isAllowedExtension(validationBase.allowedExtensions, name)) {\n                    this._itemError(\"typeError\", name, file);\n                    return validityChecker.failure();\n                }\n                if (!this._options.validation.allowEmpty && size === 0) {\n                    this._itemError(\"emptyError\", name, file);\n                    return validityChecker.failure();\n                }\n                if (size > 0 && validationBase.sizeLimit && size > validationBase.sizeLimit) {\n                    this._itemError(\"sizeError\", name, file);\n                    return validityChecker.failure();\n                }\n                if (size > 0 && size < validationBase.minSizeLimit) {\n                    this._itemError(\"minSizeError\", name, file);\n                    return validityChecker.failure();\n                }\n                if (qq.ImageValidation && qq.supportedFeatures.imagePreviews && qq.isFile(file)) {\n                    new qq.ImageValidation(file, qq.bind(self.log, self)).validate(validationBase.image).then(validityChecker.success, function(errorCode) {\n                        self._itemError(errorCode + \"ImageError\", name, file);\n                        validityChecker.failure();\n                    });\n                } else {\n                    validityChecker.success();\n                }\n                return validityChecker;\n            },\n            _wrapCallbacks: function() {\n                var self, safeCallback, prop;\n                self = this;\n                safeCallback = function(name, callback, args) {\n                    var errorMsg;\n                    try {\n                        return callback.apply(self, args);\n                    } catch (exception) {\n                        errorMsg = exception.message || exception.toString();\n                        self.log(\"Caught exception in '\" + name + \"' callback - \" + errorMsg, \"error\");\n                    }\n                };\n                for (prop in this._options.callbacks) {\n                    (function() {\n                        var callbackName, callbackFunc;\n                        callbackName = prop;\n                        callbackFunc = self._options.callbacks[callbackName];\n                        self._options.callbacks[callbackName] = function() {\n                            return safeCallback(callbackName, callbackFunc, arguments);\n                        };\n                    })();\n                }\n            }\n        };\n    })();\n    (function() {\n        \"use strict\";\n        qq.FineUploaderBasic = function(o) {\n            var self = this;\n            this._options = {\n                debug: false,\n                button: null,\n                multiple: true,\n                maxConnections: 3,\n                disableCancelForFormUploads: false,\n                autoUpload: true,\n                warnBeforeUnload: true,\n                request: {\n                    customHeaders: {},\n                    endpoint: \"/server/upload\",\n                    filenameParam: \"qqfilename\",\n                    forceMultipart: true,\n                    inputName: \"qqfile\",\n                    method: \"POST\",\n                    omitDefaultParams: false,\n                    params: {},\n                    paramsInBody: true,\n                    requireSuccessJson: true,\n                    totalFileSizeName: \"qqtotalfilesize\",\n                    uuidName: \"qquuid\"\n                },\n                validation: {\n                    allowedExtensions: [],\n                    sizeLimit: 0,\n                    minSizeLimit: 0,\n                    itemLimit: 0,\n                    stopOnFirstInvalidFile: true,\n                    acceptFiles: null,\n                    image: {\n                        maxHeight: 0,\n                        maxWidth: 0,\n                        minHeight: 0,\n                        minWidth: 0\n                    },\n                    allowEmpty: false\n                },\n                callbacks: {\n                    onSubmit: function(id, name) {},\n                    onSubmitted: function(id, name) {},\n                    onComplete: function(id, name, responseJSON, maybeXhr) {},\n                    onAllComplete: function(successful, failed) {},\n                    onCancel: function(id, name) {},\n                    onUpload: function(id, name) {},\n                    onUploadChunk: function(id, name, chunkData) {},\n                    onUploadChunkSuccess: function(id, chunkData, responseJSON, xhr) {},\n                    onResume: function(id, fileName, chunkData, customResumeData) {},\n                    onProgress: function(id, name, loaded, total) {},\n                    onTotalProgress: function(loaded, total) {},\n                    onError: function(id, name, reason, maybeXhrOrXdr) {},\n                    onAutoRetry: function(id, name, attemptNumber) {},\n                    onManualRetry: function(id, name) {},\n                    onValidateBatch: function(fileOrBlobData) {},\n                    onValidate: function(fileOrBlobData) {},\n                    onSubmitDelete: function(id) {},\n                    onDelete: function(id) {},\n                    onDeleteComplete: function(id, xhrOrXdr, isError) {},\n                    onPasteReceived: function(blob) {},\n                    onStatusChange: function(id, oldStatus, newStatus) {},\n                    onSessionRequestComplete: function(response, success, xhrOrXdr) {}\n                },\n                messages: {\n                    typeError: \"{file} has an invalid extension. Valid extension(s): {extensions}.\",\n                    sizeError: \"{file} is too large, maximum file size is {sizeLimit}.\",\n                    minSizeError: \"{file} is too small, minimum file size is {minSizeLimit}.\",\n                    emptyError: \"{file} is empty, please select files again without it.\",\n                    noFilesError: \"No files to upload.\",\n                    tooManyItemsError: \"Too many items ({netItems}) would be uploaded.  Item limit is {itemLimit}.\",\n                    maxHeightImageError: \"Image is too tall.\",\n                    maxWidthImageError: \"Image is too wide.\",\n                    minHeightImageError: \"Image is not tall enough.\",\n                    minWidthImageError: \"Image is not wide enough.\",\n                    retryFailTooManyItems: \"Retry failed - you have reached your file limit.\",\n                    onLeave: \"The files are being uploaded, if you leave now the upload will be canceled.\",\n                    unsupportedBrowserIos8Safari: \"Unrecoverable error - this browser does not permit file uploading of any kind due to serious bugs in iOS8 Safari.  Please use iOS8 Chrome until Apple fixes these issues.\"\n                },\n                retry: {\n                    enableAuto: false,\n                    maxAutoAttempts: 3,\n                    autoAttemptDelay: 5,\n                    preventRetryResponseProperty: \"preventRetry\"\n                },\n                classes: {\n                    buttonHover: \"qq-upload-button-hover\",\n                    buttonFocus: \"qq-upload-button-focus\"\n                },\n                chunking: {\n                    enabled: false,\n                    concurrent: {\n                        enabled: false\n                    },\n                    mandatory: false,\n                    paramNames: {\n                        partIndex: \"qqpartindex\",\n                        partByteOffset: \"qqpartbyteoffset\",\n                        chunkSize: \"qqchunksize\",\n                        totalFileSize: \"qqtotalfilesize\",\n                        totalParts: \"qqtotalparts\"\n                    },\n                    partSize: function(id) {\n                        return 2e6;\n                    },\n                    success: {\n                        endpoint: null,\n                        headers: function(id) {\n                            return null;\n                        },\n                        jsonPayload: false,\n                        method: \"POST\",\n                        params: function(id) {\n                            return null;\n                        },\n                        resetOnStatus: []\n                    }\n                },\n                resume: {\n                    enabled: false,\n                    recordsExpireIn: 7,\n                    paramNames: {\n                        resuming: \"qqresume\"\n                    },\n                    customKeys: function(fileId) {\n                        return [];\n                    }\n                },\n                formatFileName: function(fileOrBlobName) {\n                    return fileOrBlobName;\n                },\n                text: {\n                    defaultResponseError: \"Upload failure reason unknown\",\n                    fileInputTitle: \"file input\",\n                    sizeSymbols: [ \"kB\", \"MB\", \"GB\", \"TB\", \"PB\", \"EB\" ]\n                },\n                deleteFile: {\n                    enabled: false,\n                    method: \"DELETE\",\n                    endpoint: \"/server/upload\",\n                    customHeaders: {},\n                    params: {}\n                },\n                cors: {\n                    expected: false,\n                    sendCredentials: false,\n                    allowXdr: false\n                },\n                blobs: {\n                    defaultName: \"misc_data\"\n                },\n                paste: {\n                    targetElement: null,\n                    defaultName: \"pasted_image\"\n                },\n                camera: {\n                    ios: false,\n                    button: null\n                },\n                extraButtons: [],\n                session: {\n                    endpoint: null,\n                    params: {},\n                    customHeaders: {},\n                    refreshOnReset: true\n                },\n                form: {\n                    element: \"qq-form\",\n                    autoUpload: false,\n                    interceptSubmit: true\n                },\n                scaling: {\n                    customResizer: null,\n                    sendOriginal: true,\n                    orient: true,\n                    defaultType: null,\n                    defaultQuality: 80,\n                    failureText: \"Failed to scale\",\n                    includeExif: false,\n                    sizes: []\n                },\n                workarounds: {\n                    iosEmptyVideos: true,\n                    ios8SafariUploads: true,\n                    ios8BrowserCrash: false\n                }\n            };\n            qq.extend(this._options, o, true);\n            this._buttons = [];\n            this._extraButtonSpecs = {};\n            this._buttonIdsForFileIds = [];\n            this._wrapCallbacks();\n            this._disposeSupport = new qq.DisposeSupport();\n            this._storedIds = [];\n            this._autoRetries = [];\n            this._retryTimeouts = [];\n            this._preventRetries = [];\n            this._thumbnailUrls = [];\n            this._netUploadedOrQueued = 0;\n            this._netUploaded = 0;\n            this._uploadData = this._createUploadDataTracker();\n            this._initFormSupportAndParams();\n            this._customHeadersStore = this._createStore(this._options.request.customHeaders);\n            this._deleteFileCustomHeadersStore = this._createStore(this._options.deleteFile.customHeaders);\n            this._deleteFileParamsStore = this._createStore(this._options.deleteFile.params);\n            this._endpointStore = this._createStore(this._options.request.endpoint);\n            this._deleteFileEndpointStore = this._createStore(this._options.deleteFile.endpoint);\n            this._handler = this._createUploadHandler();\n            this._deleteHandler = qq.DeleteFileAjaxRequester && this._createDeleteHandler();\n            if (this._options.button) {\n                this._defaultButtonId = this._createUploadButton({\n                    element: this._options.button,\n                    title: this._options.text.fileInputTitle\n                }).getButtonId();\n            }\n            this._generateExtraButtonSpecs();\n            this._handleCameraAccess();\n            if (this._options.paste.targetElement) {\n                if (qq.PasteSupport) {\n                    this._pasteHandler = this._createPasteHandler();\n                } else {\n                    this.log(\"Paste support module not found\", \"error\");\n                }\n            }\n            this._options.warnBeforeUnload && this._preventLeaveInProgress();\n            this._imageGenerator = qq.ImageGenerator && new qq.ImageGenerator(qq.bind(this.log, this));\n            this._refreshSessionData();\n            this._succeededSinceLastAllComplete = [];\n            this._failedSinceLastAllComplete = [];\n            this._scaler = qq.Scaler && new qq.Scaler(this._options.scaling, qq.bind(this.log, this)) || {};\n            if (this._scaler.enabled) {\n                this._customNewFileHandler = qq.bind(this._scaler.handleNewFile, this._scaler);\n            }\n            if (qq.TotalProgress && qq.supportedFeatures.progressBar) {\n                this._totalProgress = new qq.TotalProgress(qq.bind(this._onTotalProgress, this), function(id) {\n                    var entry = self._uploadData.retrieve({\n                        id: id\n                    });\n                    return entry && entry.size || 0;\n                });\n            }\n            this._currentItemLimit = this._options.validation.itemLimit;\n            this._customResumeDataStore = this._createStore();\n        };\n        qq.FineUploaderBasic.prototype = qq.basePublicApi;\n        qq.extend(qq.FineUploaderBasic.prototype, qq.basePrivateApi);\n    })();\n    qq.AjaxRequester = function(o) {\n        \"use strict\";\n        var log, shouldParamsBeInQueryString, queue = [], requestData = {}, options = {\n            acceptHeader: null,\n            validMethods: [ \"PATCH\", \"POST\", \"PUT\" ],\n            method: \"POST\",\n            contentType: \"application/x-www-form-urlencoded\",\n            maxConnections: 3,\n            customHeaders: {},\n            endpointStore: {},\n            paramsStore: {},\n            mandatedParams: {},\n            allowXRequestedWithAndCacheControl: true,\n            successfulResponseCodes: {\n                DELETE: [ 200, 202, 204 ],\n                PATCH: [ 200, 201, 202, 203, 204 ],\n                POST: [ 200, 201, 202, 203, 204 ],\n                PUT: [ 200, 201, 202, 203, 204 ],\n                GET: [ 200 ]\n            },\n            cors: {\n                expected: false,\n                sendCredentials: false\n            },\n            log: function(str, level) {},\n            onSend: function(id) {},\n            onComplete: function(id, xhrOrXdr, isError) {},\n            onProgress: null\n        };\n        qq.extend(options, o);\n        log = options.log;\n        if (qq.indexOf(options.validMethods, options.method) < 0) {\n            throw new Error(\"'\" + options.method + \"' is not a supported method for this type of request!\");\n        }\n        function isSimpleMethod() {\n            return qq.indexOf([ \"GET\", \"POST\", \"HEAD\" ], options.method) >= 0;\n        }\n        function containsNonSimpleHeaders(headers) {\n            var containsNonSimple = false;\n            qq.each(containsNonSimple, function(idx, header) {\n                if (qq.indexOf([ \"Accept\", \"Accept-Language\", \"Content-Language\", \"Content-Type\" ], header) < 0) {\n                    containsNonSimple = true;\n                    return false;\n                }\n            });\n            return containsNonSimple;\n        }\n        function isXdr(xhr) {\n            return options.cors.expected && xhr.withCredentials === undefined;\n        }\n        function getCorsAjaxTransport() {\n            var xhrOrXdr;\n            if (window.XMLHttpRequest || window.ActiveXObject) {\n                xhrOrXdr = qq.createXhrInstance();\n                if (xhrOrXdr.withCredentials === undefined) {\n                    xhrOrXdr = new XDomainRequest();\n                    xhrOrXdr.onload = function() {};\n                    xhrOrXdr.onerror = function() {};\n                    xhrOrXdr.ontimeout = function() {};\n                    xhrOrXdr.onprogress = function() {};\n                }\n            }\n            return xhrOrXdr;\n        }\n        function getXhrOrXdr(id, suppliedXhr) {\n            var xhrOrXdr = requestData[id] && requestData[id].xhr;\n            if (!xhrOrXdr) {\n                if (suppliedXhr) {\n                    xhrOrXdr = suppliedXhr;\n                } else {\n                    if (options.cors.expected) {\n                        xhrOrXdr = getCorsAjaxTransport();\n                    } else {\n                        xhrOrXdr = qq.createXhrInstance();\n                    }\n                }\n                requestData[id].xhr = xhrOrXdr;\n            }\n            return xhrOrXdr;\n        }\n        function dequeue(id) {\n            var i = qq.indexOf(queue, id), max = options.maxConnections, nextId;\n            delete requestData[id];\n            queue.splice(i, 1);\n            if (queue.length >= max && i < max) {\n                nextId = queue[max - 1];\n                sendRequest(nextId);\n            }\n        }\n        function onComplete(id, xdrError) {\n            var xhr = getXhrOrXdr(id), method = options.method, isError = xdrError === true;\n            dequeue(id);\n            if (isError) {\n                log(method + \" request for \" + id + \" has failed\", \"error\");\n            } else if (!isXdr(xhr) && !isResponseSuccessful(xhr.status)) {\n                isError = true;\n                log(method + \" request for \" + id + \" has failed - response code \" + xhr.status, \"error\");\n            }\n            options.onComplete(id, xhr, isError);\n        }\n        function getParams(id) {\n            var onDemandParams = requestData[id].additionalParams, mandatedParams = options.mandatedParams, params;\n            if (options.paramsStore.get) {\n                params = options.paramsStore.get(id);\n            }\n            if (onDemandParams) {\n                qq.each(onDemandParams, function(name, val) {\n                    params = params || {};\n                    params[name] = val;\n                });\n            }\n            if (mandatedParams) {\n                qq.each(mandatedParams, function(name, val) {\n                    params = params || {};\n                    params[name] = val;\n                });\n            }\n            return params;\n        }\n        function sendRequest(id, optXhr) {\n            var xhr = getXhrOrXdr(id, optXhr), method = options.method, params = getParams(id), payload = requestData[id].payload, url;\n            options.onSend(id);\n            url = createUrl(id, params, requestData[id].additionalQueryParams);\n            if (isXdr(xhr)) {\n                xhr.onload = getXdrLoadHandler(id);\n                xhr.onerror = getXdrErrorHandler(id);\n            } else {\n                xhr.onreadystatechange = getXhrReadyStateChangeHandler(id);\n            }\n            registerForUploadProgress(id);\n            xhr.open(method, url, true);\n            if (options.cors.expected && options.cors.sendCredentials && !isXdr(xhr)) {\n                xhr.withCredentials = true;\n            }\n            setHeaders(id);\n            log(\"Sending \" + method + \" request for \" + id);\n            if (payload) {\n                xhr.send(payload);\n            } else if (shouldParamsBeInQueryString || !params) {\n                xhr.send();\n            } else if (params && options.contentType && options.contentType.toLowerCase().indexOf(\"application/x-www-form-urlencoded\") >= 0) {\n                xhr.send(qq.obj2url(params, \"\"));\n            } else if (params && options.contentType && options.contentType.toLowerCase().indexOf(\"application/json\") >= 0) {\n                xhr.send(JSON.stringify(params));\n            } else {\n                xhr.send(params);\n            }\n            return xhr;\n        }\n        function createUrl(id, params, additionalQueryParams) {\n            var endpoint = options.endpointStore.get(id), addToPath = requestData[id].addToPath;\n            if (addToPath != undefined) {\n                endpoint += \"/\" + addToPath;\n            }\n            if (shouldParamsBeInQueryString && params) {\n                endpoint = qq.obj2url(params, endpoint);\n            }\n            if (additionalQueryParams) {\n                endpoint = qq.obj2url(additionalQueryParams, endpoint);\n            }\n            return endpoint;\n        }\n        function getXhrReadyStateChangeHandler(id) {\n            return function() {\n                if (getXhrOrXdr(id).readyState === 4) {\n                    onComplete(id);\n                }\n            };\n        }\n        function registerForUploadProgress(id) {\n            var onProgress = options.onProgress;\n            if (onProgress) {\n                getXhrOrXdr(id).upload.onprogress = function(e) {\n                    if (e.lengthComputable) {\n                        onProgress(id, e.loaded, e.total);\n                    }\n                };\n            }\n        }\n        function getXdrLoadHandler(id) {\n            return function() {\n                onComplete(id);\n            };\n        }\n        function getXdrErrorHandler(id) {\n            return function() {\n                onComplete(id, true);\n            };\n        }\n        function setHeaders(id) {\n            var xhr = getXhrOrXdr(id), customHeaders = options.customHeaders, onDemandHeaders = requestData[id].additionalHeaders || {}, method = options.method, allHeaders = {};\n            if (!isXdr(xhr)) {\n                options.acceptHeader && xhr.setRequestHeader(\"Accept\", options.acceptHeader);\n                if (options.allowXRequestedWithAndCacheControl) {\n                    if (!options.cors.expected || (!isSimpleMethod() || containsNonSimpleHeaders(customHeaders))) {\n                        xhr.setRequestHeader(\"X-Requested-With\", \"XMLHttpRequest\");\n                        xhr.setRequestHeader(\"Cache-Control\", \"no-cache\");\n                    }\n                }\n                if (options.contentType && (method === \"POST\" || method === \"PUT\")) {\n                    xhr.setRequestHeader(\"Content-Type\", options.contentType);\n                }\n                qq.extend(allHeaders, qq.isFunction(customHeaders) ? customHeaders(id) : customHeaders);\n                qq.extend(allHeaders, onDemandHeaders);\n                qq.each(allHeaders, function(name, val) {\n                    xhr.setRequestHeader(name, val);\n                });\n            }\n        }\n        function isResponseSuccessful(responseCode) {\n            return qq.indexOf(options.successfulResponseCodes[options.method], responseCode) >= 0;\n        }\n        function prepareToSend(id, optXhr, addToPath, additionalParams, additionalQueryParams, additionalHeaders, payload) {\n            requestData[id] = {\n                addToPath: addToPath,\n                additionalParams: additionalParams,\n                additionalQueryParams: additionalQueryParams,\n                additionalHeaders: additionalHeaders,\n                payload: payload\n            };\n            var len = queue.push(id);\n            if (len <= options.maxConnections) {\n                return sendRequest(id, optXhr);\n            }\n        }\n        shouldParamsBeInQueryString = options.method === \"GET\" || options.method === \"DELETE\";\n        qq.extend(this, {\n            initTransport: function(id) {\n                var path, params, headers, payload, cacheBuster, additionalQueryParams;\n                return {\n                    withPath: function(appendToPath) {\n                        path = appendToPath;\n                        return this;\n                    },\n                    withParams: function(additionalParams) {\n                        params = additionalParams;\n                        return this;\n                    },\n                    withQueryParams: function(_additionalQueryParams_) {\n                        additionalQueryParams = _additionalQueryParams_;\n                        return this;\n                    },\n                    withHeaders: function(additionalHeaders) {\n                        headers = additionalHeaders;\n                        return this;\n                    },\n                    withPayload: function(thePayload) {\n                        payload = thePayload;\n                        return this;\n                    },\n                    withCacheBuster: function() {\n                        cacheBuster = true;\n                        return this;\n                    },\n                    send: function(optXhr) {\n                        if (cacheBuster && qq.indexOf([ \"GET\", \"DELETE\" ], options.method) >= 0) {\n                            params.qqtimestamp = new Date().getTime();\n                        }\n                        return prepareToSend(id, optXhr, path, params, additionalQueryParams, headers, payload);\n                    }\n                };\n            },\n            canceled: function(id) {\n                dequeue(id);\n            }\n        });\n    };\n    qq.UploadHandler = function(spec) {\n        \"use strict\";\n        var proxy = spec.proxy, fileState = {}, onCancel = proxy.onCancel, getName = proxy.getName;\n        qq.extend(this, {\n            add: function(id, fileItem) {\n                fileState[id] = fileItem;\n                fileState[id].temp = {};\n            },\n            cancel: function(id) {\n                var self = this, cancelFinalizationEffort = new qq.Promise(), onCancelRetVal = onCancel(id, getName(id), cancelFinalizationEffort);\n                onCancelRetVal.then(function() {\n                    if (self.isValid(id)) {\n                        fileState[id].canceled = true;\n                        self.expunge(id);\n                    }\n                    cancelFinalizationEffort.success();\n                });\n            },\n            expunge: function(id) {\n                delete fileState[id];\n            },\n            getThirdPartyFileId: function(id) {\n                return fileState[id].key;\n            },\n            isValid: function(id) {\n                return fileState[id] !== undefined;\n            },\n            reset: function() {\n                fileState = {};\n            },\n            _getFileState: function(id) {\n                return fileState[id];\n            },\n            _setThirdPartyFileId: function(id, thirdPartyFileId) {\n                fileState[id].key = thirdPartyFileId;\n            },\n            _wasCanceled: function(id) {\n                return !!fileState[id].canceled;\n            }\n        });\n    };\n    qq.UploadHandlerController = function(o, namespace) {\n        \"use strict\";\n        var controller = this, chunkingPossible = false, concurrentChunkingPossible = false, chunking, preventRetryResponse, log, handler, options = {\n            paramsStore: {},\n            maxConnections: 3,\n            chunking: {\n                enabled: false,\n                multiple: {\n                    enabled: false\n                }\n            },\n            log: function(str, level) {},\n            onProgress: function(id, fileName, loaded, total) {},\n            onComplete: function(id, fileName, response, xhr) {},\n            onCancel: function(id, fileName) {},\n            onUploadPrep: function(id) {},\n            onUpload: function(id, fileName) {},\n            onUploadChunk: function(id, fileName, chunkData) {},\n            onUploadChunkSuccess: function(id, chunkData, response, xhr) {},\n            onAutoRetry: function(id, fileName, response, xhr) {},\n            onResume: function(id, fileName, chunkData, customResumeData) {},\n            onUuidChanged: function(id, newUuid) {},\n            getName: function(id) {},\n            setSize: function(id, newSize) {},\n            isQueued: function(id) {},\n            getIdsInProxyGroup: function(id) {},\n            getIdsInBatch: function(id) {},\n            isInProgress: function(id) {}\n        }, chunked = {\n            done: function(id, chunkIdx, response, xhr) {\n                var chunkData = handler._getChunkData(id, chunkIdx);\n                handler._getFileState(id).attemptingResume = false;\n                delete handler._getFileState(id).temp.chunkProgress[chunkIdx];\n                handler._getFileState(id).loaded += chunkData.size;\n                options.onUploadChunkSuccess(id, handler._getChunkDataForCallback(chunkData), response, xhr);\n            },\n            finalize: function(id) {\n                var size = options.getSize(id), name = options.getName(id);\n                log(\"All chunks have been uploaded for \" + id + \" - finalizing....\");\n                handler.finalizeChunks(id).then(function(response, xhr) {\n                    log(\"Finalize successful for \" + id);\n                    var normaizedResponse = upload.normalizeResponse(response, true);\n                    options.onProgress(id, name, size, size);\n                    handler._maybeDeletePersistedChunkData(id);\n                    upload.cleanup(id, normaizedResponse, xhr);\n                }, function(response, xhr) {\n                    var normalizedResponse = upload.normalizeResponse(response, false);\n                    log(\"Problem finalizing chunks for file ID \" + id + \" - \" + normalizedResponse.error, \"error\");\n                    if (normalizedResponse.reset || xhr && options.chunking.success.resetOnStatus.indexOf(xhr.status) >= 0) {\n                        chunked.reset(id);\n                    }\n                    if (!options.onAutoRetry(id, name, normalizedResponse, xhr)) {\n                        upload.cleanup(id, normalizedResponse, xhr);\n                    }\n                });\n            },\n            handleFailure: function(chunkIdx, id, response, xhr) {\n                var name = options.getName(id);\n                log(\"Chunked upload request failed for \" + id + \", chunk \" + chunkIdx);\n                handler.clearCachedChunk(id, chunkIdx);\n                var responseToReport = upload.normalizeResponse(response, false), inProgressIdx;\n                if (responseToReport.reset) {\n                    chunked.reset(id);\n                } else {\n                    var inProgressChunksArray = handler._getFileState(id).chunking.inProgress;\n                    inProgressIdx = inProgressChunksArray ? qq.indexOf(inProgressChunksArray, chunkIdx) : -1;\n                    if (inProgressIdx >= 0) {\n                        handler._getFileState(id).chunking.inProgress.splice(inProgressIdx, 1);\n                        handler._getFileState(id).chunking.remaining.unshift(chunkIdx);\n                    }\n                }\n                if (!handler._getFileState(id).temp.ignoreFailure) {\n                    if (concurrentChunkingPossible) {\n                        handler._getFileState(id).temp.ignoreFailure = true;\n                        log(qq.format(\"Going to attempt to abort these chunks: {}. These are currently in-progress: {}.\", JSON.stringify(Object.keys(handler._getXhrs(id))), JSON.stringify(handler._getFileState(id).chunking.inProgress)));\n                        qq.each(handler._getXhrs(id), function(ckid, ckXhr) {\n                            log(qq.format(\"Attempting to abort file {}.{}. XHR readyState {}. \", id, ckid, ckXhr.readyState));\n                            ckXhr.abort();\n                            ckXhr._cancelled = true;\n                        });\n                        handler.moveInProgressToRemaining(id);\n                        connectionManager.free(id, true);\n                    }\n                    if (!options.onAutoRetry(id, name, responseToReport, xhr)) {\n                        upload.cleanup(id, responseToReport, xhr);\n                    }\n                }\n            },\n            hasMoreParts: function(id) {\n                return !!handler._getFileState(id).chunking.remaining.length;\n            },\n            nextPart: function(id) {\n                var nextIdx = handler._getFileState(id).chunking.remaining.shift();\n                if (nextIdx >= handler._getTotalChunks(id)) {\n                    nextIdx = null;\n                }\n                return nextIdx;\n            },\n            reset: function(id) {\n                log(\"Server or callback has ordered chunking effort to be restarted on next attempt for item ID \" + id, \"error\");\n                handler._maybeDeletePersistedChunkData(id);\n                handler.reevaluateChunking(id);\n                handler._getFileState(id).loaded = 0;\n                handler._getFileState(id).attemptingResume = false;\n            },\n            sendNext: function(id) {\n                var size = options.getSize(id), name = options.getName(id), chunkIdx = chunked.nextPart(id), chunkData = handler._getChunkData(id, chunkIdx), fileState = handler._getFileState(id), resuming = fileState.attemptingResume, inProgressChunks = fileState.chunking.inProgress || [];\n                if (fileState.loaded == null) {\n                    fileState.loaded = 0;\n                }\n                if (resuming && options.onResume(id, name, chunkData, fileState.customResumeData) === false) {\n                    chunked.reset(id);\n                    chunkIdx = chunked.nextPart(id);\n                    chunkData = handler._getChunkData(id, chunkIdx);\n                    resuming = false;\n                }\n                if (chunkIdx == null && inProgressChunks.length === 0) {\n                    chunked.finalize(id);\n                } else {\n                    inProgressChunks.push(chunkIdx);\n                    handler._getFileState(id).chunking.inProgress = inProgressChunks;\n                    if (concurrentChunkingPossible) {\n                        connectionManager.open(id, chunkIdx);\n                    }\n                    if (concurrentChunkingPossible && connectionManager.available() && handler._getFileState(id).chunking.remaining.length) {\n                        chunked.sendNext(id);\n                    }\n                    if (chunkData.blob.size === 0) {\n                        log(qq.format(\"Chunk {} for file {} will not be uploaded, zero sized chunk.\", chunkIdx, id), \"error\");\n                        chunked.handleFailure(chunkIdx, id, \"File is no longer available\", null);\n                    }\n                    var onUploadChunkPromise = options.onUploadChunk(id, name, handler._getChunkDataForCallback(chunkData));\n                    onUploadChunkPromise.then(function(requestOverrides) {\n                        if (!options.isInProgress(id)) {\n                            log(qq.format(\"Not sending chunked upload request for item {}.{} - no longer in progress.\", id, chunkIdx));\n                        } else {\n                            log(qq.format(\"Sending chunked upload request for item {}.{}, bytes {}-{} of {}.\", id, chunkIdx, chunkData.start + 1, chunkData.end, size));\n                            var uploadChunkData = {\n                                chunkIdx: chunkIdx,\n                                id: id,\n                                overrides: requestOverrides,\n                                resuming: resuming\n                            };\n                            handler.uploadChunk(uploadChunkData).then(function success(response, xhr) {\n                                log(\"Chunked upload request succeeded for \" + id + \", chunk \" + chunkIdx);\n                                handler.clearCachedChunk(id, chunkIdx);\n                                var inProgressChunks = handler._getFileState(id).chunking.inProgress || [], responseToReport = upload.normalizeResponse(response, true), inProgressChunkIdx = qq.indexOf(inProgressChunks, chunkIdx);\n                                log(qq.format(\"Chunk {} for file {} uploaded successfully.\", chunkIdx, id));\n                                chunked.done(id, chunkIdx, responseToReport, xhr);\n                                if (inProgressChunkIdx >= 0) {\n                                    inProgressChunks.splice(inProgressChunkIdx, 1);\n                                }\n                                handler._maybePersistChunkedState(id);\n                                if (!chunked.hasMoreParts(id) && inProgressChunks.length === 0) {\n                                    chunked.finalize(id);\n                                } else if (chunked.hasMoreParts(id)) {\n                                    chunked.sendNext(id);\n                                } else {\n                                    log(qq.format(\"File ID {} has no more chunks to send and these chunk indexes are still marked as in-progress: {}\", id, JSON.stringify(inProgressChunks)));\n                                }\n                            }, function failure(response, xhr) {\n                                chunked.handleFailure(chunkIdx, id, response, xhr);\n                            }).done(function() {\n                                handler.clearXhr(id, chunkIdx);\n                            });\n                        }\n                    }, function(error) {\n                        chunked.handleFailure(chunkIdx, id, error, null);\n                    });\n                }\n            }\n        }, connectionManager = {\n            _open: [],\n            _openChunks: {},\n            _waiting: [],\n            available: function() {\n                var max = options.maxConnections, openChunkEntriesCount = 0, openChunksCount = 0;\n                qq.each(connectionManager._openChunks, function(fileId, openChunkIndexes) {\n                    openChunkEntriesCount++;\n                    openChunksCount += openChunkIndexes.length;\n                });\n                return max - (connectionManager._open.length - openChunkEntriesCount + openChunksCount);\n            },\n            free: function(id, dontAllowNext) {\n                var allowNext = !dontAllowNext, waitingIndex = qq.indexOf(connectionManager._waiting, id), connectionsIndex = qq.indexOf(connectionManager._open, id), nextId;\n                delete connectionManager._openChunks[id];\n                if (upload.getProxyOrBlob(id) instanceof qq.BlobProxy) {\n                    log(\"Generated blob upload has ended for \" + id + \", disposing generated blob.\");\n                    delete handler._getFileState(id).file;\n                }\n                if (waitingIndex >= 0) {\n                    connectionManager._waiting.splice(waitingIndex, 1);\n                } else if (allowNext && connectionsIndex >= 0) {\n                    connectionManager._open.splice(connectionsIndex, 1);\n                    nextId = connectionManager._waiting.shift();\n                    if (nextId >= 0) {\n                        connectionManager._open.push(nextId);\n                        upload.start(nextId);\n                    }\n                }\n            },\n            getWaitingOrConnected: function() {\n                var waitingOrConnected = [];\n                qq.each(connectionManager._openChunks, function(fileId, chunks) {\n                    if (chunks && chunks.length) {\n                        waitingOrConnected.push(parseInt(fileId));\n                    }\n                });\n                qq.each(connectionManager._open, function(idx, fileId) {\n                    if (!connectionManager._openChunks[fileId]) {\n                        waitingOrConnected.push(parseInt(fileId));\n                    }\n                });\n                waitingOrConnected = waitingOrConnected.concat(connectionManager._waiting);\n                return waitingOrConnected;\n            },\n            isUsingConnection: function(id) {\n                return qq.indexOf(connectionManager._open, id) >= 0;\n            },\n            open: function(id, chunkIdx) {\n                if (chunkIdx == null) {\n                    connectionManager._waiting.push(id);\n                }\n                if (connectionManager.available()) {\n                    if (chunkIdx == null) {\n                        connectionManager._waiting.pop();\n                        connectionManager._open.push(id);\n                    } else {\n                        (function() {\n                            var openChunksEntry = connectionManager._openChunks[id] || [];\n                            openChunksEntry.push(chunkIdx);\n                            connectionManager._openChunks[id] = openChunksEntry;\n                        })();\n                    }\n                    return true;\n                }\n                return false;\n            },\n            reset: function() {\n                connectionManager._waiting = [];\n                connectionManager._open = [];\n            }\n        }, simple = {\n            send: function(id, name) {\n                var fileState = handler._getFileState(id);\n                if (!fileState) {\n                    log(\"Ignoring send request as this upload may have been cancelled, File ID \" + id, \"warn\");\n                    return;\n                }\n                fileState.loaded = 0;\n                log(\"Sending simple upload request for \" + id);\n                handler.uploadFile(id).then(function(response, optXhr) {\n                    log(\"Simple upload request succeeded for \" + id);\n                    var responseToReport = upload.normalizeResponse(response, true), size = options.getSize(id);\n                    options.onProgress(id, name, size, size);\n                    upload.maybeNewUuid(id, responseToReport);\n                    upload.cleanup(id, responseToReport, optXhr);\n                }, function(response, optXhr) {\n                    log(\"Simple upload request failed for \" + id);\n                    var responseToReport = upload.normalizeResponse(response, false);\n                    if (!options.onAutoRetry(id, name, responseToReport, optXhr)) {\n                        upload.cleanup(id, responseToReport, optXhr);\n                    }\n                });\n            }\n        }, upload = {\n            cancel: function(id) {\n                log(\"Cancelling \" + id);\n                options.paramsStore.remove(id);\n                connectionManager.free(id);\n            },\n            cleanup: function(id, response, optXhr) {\n                var name = options.getName(id);\n                options.onComplete(id, name, response, optXhr);\n                if (handler._getFileState(id)) {\n                    handler._clearXhrs && handler._clearXhrs(id);\n                }\n                connectionManager.free(id);\n            },\n            getProxyOrBlob: function(id) {\n                return handler.getProxy && handler.getProxy(id) || handler.getFile && handler.getFile(id);\n            },\n            initHandler: function() {\n                var handlerType = namespace ? qq[namespace] : qq.traditional, handlerModuleSubtype = qq.supportedFeatures.ajaxUploading ? \"Xhr\" : \"Form\";\n                handler = new handlerType[handlerModuleSubtype + \"UploadHandler\"](options, {\n                    getCustomResumeData: options.getCustomResumeData,\n                    getDataByUuid: options.getDataByUuid,\n                    getName: options.getName,\n                    getSize: options.getSize,\n                    getUuid: options.getUuid,\n                    log: log,\n                    onCancel: options.onCancel,\n                    onProgress: options.onProgress,\n                    onUuidChanged: options.onUuidChanged,\n                    onFinalizing: function(id) {\n                        options.setStatus(id, qq.status.UPLOAD_FINALIZING);\n                    }\n                });\n                if (handler._removeExpiredChunkingRecords) {\n                    handler._removeExpiredChunkingRecords();\n                }\n            },\n            isDeferredEligibleForUpload: function(id) {\n                return options.isQueued(id);\n            },\n            maybeDefer: function(id, blob) {\n                if (blob && !handler.getFile(id) && blob instanceof qq.BlobProxy) {\n                    options.onUploadPrep(id);\n                    log(\"Attempting to generate a blob on-demand for \" + id);\n                    blob.create().then(function(generatedBlob) {\n                        log(\"Generated an on-demand blob for \" + id);\n                        handler.updateBlob(id, generatedBlob);\n                        options.setSize(id, generatedBlob.size);\n                        handler.reevaluateChunking(id);\n                        upload.maybeSendDeferredFiles(id);\n                    }, function(errorMessage) {\n                        var errorResponse = {};\n                        if (errorMessage) {\n                            errorResponse.error = errorMessage;\n                        }\n                        log(qq.format(\"Failed to generate blob for ID {}.  Error message: {}.\", id, errorMessage), \"error\");\n                        options.onComplete(id, options.getName(id), qq.extend(errorResponse, preventRetryResponse), null);\n                        upload.maybeSendDeferredFiles(id);\n                        connectionManager.free(id);\n                    });\n                } else {\n                    return upload.maybeSendDeferredFiles(id);\n                }\n                return false;\n            },\n            maybeSendDeferredFiles: function(id) {\n                var idsInGroup = options.getIdsInProxyGroup(id), uploadedThisId = false;\n                if (idsInGroup && idsInGroup.length) {\n                    log(\"Maybe ready to upload proxy group file \" + id);\n                    qq.each(idsInGroup, function(idx, idInGroup) {\n                        if (upload.isDeferredEligibleForUpload(idInGroup) && !!handler.getFile(idInGroup)) {\n                            uploadedThisId = idInGroup === id;\n                            upload.now(idInGroup);\n                        } else if (upload.isDeferredEligibleForUpload(idInGroup)) {\n                            return false;\n                        }\n                    });\n                } else {\n                    uploadedThisId = true;\n                    upload.now(id);\n                }\n                return uploadedThisId;\n            },\n            maybeNewUuid: function(id, response) {\n                if (response.newUuid !== undefined) {\n                    options.onUuidChanged(id, response.newUuid);\n                }\n            },\n            normalizeResponse: function(originalResponse, successful) {\n                var response = originalResponse;\n                if (!qq.isObject(originalResponse)) {\n                    response = {};\n                    if (qq.isString(originalResponse) && !successful) {\n                        response.error = originalResponse;\n                    }\n                }\n                response.success = successful;\n                return response;\n            },\n            now: function(id) {\n                var name = options.getName(id);\n                if (!controller.isValid(id)) {\n                    throw new qq.Error(id + \" is not a valid file ID to upload!\");\n                }\n                options.onUpload(id, name).then(function(response) {\n                    if (response && response.pause) {\n                        options.setStatus(id, qq.status.PAUSED);\n                        handler.pause(id);\n                        connectionManager.free(id);\n                    } else {\n                        if (chunkingPossible && handler._shouldChunkThisFile(id)) {\n                            chunked.sendNext(id);\n                        } else {\n                            simple.send(id, name);\n                        }\n                    }\n                }, function(error) {\n                    error = error || {};\n                    log(id + \" upload start aborted due to rejected onUpload Promise - details: \" + error, \"error\");\n                    if (!options.onAutoRetry(id, name, error.responseJSON || {})) {\n                        var response = upload.normalizeResponse(error.responseJSON, false);\n                        upload.cleanup(id, response);\n                    }\n                });\n            },\n            start: function(id) {\n                var blobToUpload = upload.getProxyOrBlob(id);\n                if (blobToUpload) {\n                    return upload.maybeDefer(id, blobToUpload);\n                } else {\n                    upload.now(id);\n                    return true;\n                }\n            }\n        };\n        qq.extend(this, {\n            add: function(id, file) {\n                handler.add.apply(this, arguments);\n            },\n            upload: function(id) {\n                if (connectionManager.open(id)) {\n                    return upload.start(id);\n                }\n                return false;\n            },\n            retry: function(id) {\n                if (concurrentChunkingPossible) {\n                    handler._getFileState(id).temp.ignoreFailure = false;\n                }\n                if (connectionManager.isUsingConnection(id)) {\n                    return upload.start(id);\n                } else {\n                    return controller.upload(id);\n                }\n            },\n            cancel: function(id) {\n                var cancelRetVal = handler.cancel(id);\n                if (qq.isGenericPromise(cancelRetVal)) {\n                    cancelRetVal.then(function() {\n                        upload.cancel(id);\n                    });\n                } else if (cancelRetVal !== false) {\n                    upload.cancel(id);\n                }\n            },\n            cancelAll: function() {\n                var waitingOrConnected = connectionManager.getWaitingOrConnected(), i;\n                if (waitingOrConnected.length) {\n                    for (i = waitingOrConnected.length - 1; i >= 0; i--) {\n                        controller.cancel(waitingOrConnected[i]);\n                    }\n                }\n                connectionManager.reset();\n            },\n            getFile: function(id) {\n                if (handler.getProxy && handler.getProxy(id)) {\n                    return handler.getProxy(id).referenceBlob;\n                }\n                return handler.getFile && handler.getFile(id);\n            },\n            isProxied: function(id) {\n                return !!(handler.getProxy && handler.getProxy(id));\n            },\n            getInput: function(id) {\n                if (handler.getInput) {\n                    return handler.getInput(id);\n                }\n            },\n            reset: function() {\n                log(\"Resetting upload handler\");\n                controller.cancelAll();\n                connectionManager.reset();\n                handler.reset();\n            },\n            expunge: function(id) {\n                if (controller.isValid(id)) {\n                    return handler.expunge(id);\n                }\n            },\n            isValid: function(id) {\n                return handler.isValid(id);\n            },\n            hasResumeRecord: function(id) {\n                var key = handler.isValid(id) && handler._getLocalStorageId && handler._getLocalStorageId(id);\n                if (key) {\n                    return !!localStorage.getItem(key);\n                }\n                return false;\n            },\n            getResumableFilesData: function() {\n                if (handler.getResumableFilesData) {\n                    return handler.getResumableFilesData();\n                }\n                return [];\n            },\n            getThirdPartyFileId: function(id) {\n                if (controller.isValid(id)) {\n                    return handler.getThirdPartyFileId(id);\n                }\n            },\n            pause: function(id) {\n                if (controller.isResumable(id) && handler.pause && controller.isValid(id) && handler.pause(id)) {\n                    connectionManager.free(id);\n                    handler.moveInProgressToRemaining(id);\n                    return true;\n                }\n                return false;\n            },\n            isAttemptingResume: function(id) {\n                return !!handler.isAttemptingResume && handler.isAttemptingResume(id);\n            },\n            isResumable: function(id) {\n                return !!handler.isResumable && handler.isResumable(id);\n            }\n        });\n        qq.extend(options, o);\n        log = options.log;\n        chunkingPossible = options.chunking.enabled && qq.supportedFeatures.chunking;\n        concurrentChunkingPossible = chunkingPossible && options.chunking.concurrent.enabled;\n        preventRetryResponse = function() {\n            var response = {};\n            response[options.preventRetryParam] = true;\n            return response;\n        }();\n        upload.initHandler();\n    };\n    qq.WindowReceiveMessage = function(o) {\n        \"use strict\";\n        var options = {\n            log: function(message, level) {}\n        }, callbackWrapperDetachers = {};\n        qq.extend(options, o);\n        qq.extend(this, {\n            receiveMessage: function(id, callback) {\n                var onMessageCallbackWrapper = function(event) {\n                    callback(event.data);\n                };\n                if (window.postMessage) {\n                    callbackWrapperDetachers[id] = qq(window).attach(\"message\", onMessageCallbackWrapper);\n                } else {\n                    log(\"iframe message passing not supported in this browser!\", \"error\");\n                }\n            },\n            stopReceivingMessages: function(id) {\n                if (window.postMessage) {\n                    var detacher = callbackWrapperDetachers[id];\n                    if (detacher) {\n                        detacher();\n                    }\n                }\n            }\n        });\n    };\n    qq.FormUploadHandler = function(spec) {\n        \"use strict\";\n        var options = spec.options, handler = this, proxy = spec.proxy, formHandlerInstanceId = qq.getUniqueId(), onloadCallbacks = {}, detachLoadEvents = {}, postMessageCallbackTimers = {}, isCors = options.isCors, inputName = options.inputName, getUuid = proxy.getUuid, log = proxy.log, corsMessageReceiver = new qq.WindowReceiveMessage({\n            log: log\n        });\n        function expungeFile(id) {\n            delete detachLoadEvents[id];\n            if (isCors) {\n                clearTimeout(postMessageCallbackTimers[id]);\n                delete postMessageCallbackTimers[id];\n                corsMessageReceiver.stopReceivingMessages(id);\n            }\n            var iframe = document.getElementById(handler._getIframeName(id));\n            if (iframe) {\n                iframe.setAttribute(\"src\", \"javascript:false;\");\n                qq(iframe).remove();\n            }\n        }\n        function getFileIdForIframeName(iframeName) {\n            return iframeName.split(\"_\")[0];\n        }\n        function initIframeForUpload(name) {\n            var iframe = qq.toElement(\"<iframe src='javascript:false;' name='\" + name + \"' />\");\n            iframe.setAttribute(\"id\", name);\n            iframe.style.display = \"none\";\n            document.body.appendChild(iframe);\n            return iframe;\n        }\n        function registerPostMessageCallback(iframe, callback) {\n            var iframeName = iframe.id, fileId = getFileIdForIframeName(iframeName), uuid = getUuid(fileId);\n            onloadCallbacks[uuid] = callback;\n            detachLoadEvents[fileId] = qq(iframe).attach(\"load\", function() {\n                if (handler.getInput(fileId)) {\n                    log(\"Received iframe load event for CORS upload request (iframe name \" + iframeName + \")\");\n                    postMessageCallbackTimers[iframeName] = setTimeout(function() {\n                        var errorMessage = \"No valid message received from loaded iframe for iframe name \" + iframeName;\n                        log(errorMessage, \"error\");\n                        callback({\n                            error: errorMessage\n                        });\n                    }, 1e3);\n                }\n            });\n            corsMessageReceiver.receiveMessage(iframeName, function(message) {\n                log(\"Received the following window message: '\" + message + \"'\");\n                var fileId = getFileIdForIframeName(iframeName), response = handler._parseJsonResponse(message), uuid = response.uuid, onloadCallback;\n                if (uuid && onloadCallbacks[uuid]) {\n                    log(\"Handling response for iframe name \" + iframeName);\n                    clearTimeout(postMessageCallbackTimers[iframeName]);\n                    delete postMessageCallbackTimers[iframeName];\n                    handler._detachLoadEvent(iframeName);\n                    onloadCallback = onloadCallbacks[uuid];\n                    delete onloadCallbacks[uuid];\n                    corsMessageReceiver.stopReceivingMessages(iframeName);\n                    onloadCallback(response);\n                } else if (!uuid) {\n                    log(\"'\" + message + \"' does not contain a UUID - ignoring.\");\n                }\n            });\n        }\n        qq.extend(this, new qq.UploadHandler(spec));\n        qq.override(this, function(super_) {\n            return {\n                add: function(id, fileInput) {\n                    super_.add(id, {\n                        input: fileInput\n                    });\n                    fileInput.setAttribute(\"name\", inputName);\n                    if (fileInput.parentNode) {\n                        qq(fileInput).remove();\n                    }\n                },\n                expunge: function(id) {\n                    expungeFile(id);\n                    super_.expunge(id);\n                },\n                isValid: function(id) {\n                    return super_.isValid(id) && handler._getFileState(id).input !== undefined;\n                }\n            };\n        });\n        qq.extend(this, {\n            getInput: function(id) {\n                return handler._getFileState(id).input;\n            },\n            _attachLoadEvent: function(iframe, callback) {\n                var responseDescriptor;\n                if (isCors) {\n                    registerPostMessageCallback(iframe, callback);\n                } else {\n                    detachLoadEvents[iframe.id] = qq(iframe).attach(\"load\", function() {\n                        log(\"Received response for \" + iframe.id);\n                        if (!iframe.parentNode) {\n                            return;\n                        }\n                        try {\n                            if (iframe.contentDocument && iframe.contentDocument.body && iframe.contentDocument.body.innerHTML == \"false\") {\n                                return;\n                            }\n                        } catch (error) {\n                            log(\"Error when attempting to access iframe during handling of upload response (\" + error.message + \")\", \"error\");\n                            responseDescriptor = {\n                                success: false\n                            };\n                        }\n                        callback(responseDescriptor);\n                    });\n                }\n            },\n            _createIframe: function(id) {\n                var iframeName = handler._getIframeName(id);\n                return initIframeForUpload(iframeName);\n            },\n            _detachLoadEvent: function(id) {\n                if (detachLoadEvents[id] !== undefined) {\n                    detachLoadEvents[id]();\n                    delete detachLoadEvents[id];\n                }\n            },\n            _getIframeName: function(fileId) {\n                return fileId + \"_\" + formHandlerInstanceId;\n            },\n            _initFormForUpload: function(spec) {\n                var method = spec.method, endpoint = spec.endpoint, params = spec.params, paramsInBody = spec.paramsInBody, targetName = spec.targetName, form = qq.toElement(\"<form method='\" + method + \"' enctype='multipart/form-data'></form>\"), url = endpoint;\n                if (paramsInBody) {\n                    qq.obj2Inputs(params, form);\n                } else {\n                    url = qq.obj2url(params, endpoint);\n                }\n                form.setAttribute(\"action\", url);\n                form.setAttribute(\"target\", targetName);\n                form.style.display = \"none\";\n                document.body.appendChild(form);\n                return form;\n            },\n            _parseJsonResponse: function(innerHtmlOrMessage) {\n                var response = {};\n                try {\n                    response = qq.parseJson(innerHtmlOrMessage);\n                } catch (error) {\n                    log(\"Error when attempting to parse iframe upload response (\" + error.message + \")\", \"error\");\n                }\n                return response;\n            }\n        });\n    };\n    qq.XhrUploadHandler = function(spec) {\n        \"use strict\";\n        var handler = this, namespace = spec.options.namespace, proxy = spec.proxy, chunking = spec.options.chunking, getChunkSize = function(id) {\n            var fileState = handler._getFileState(id);\n            if (fileState.chunkSize) {\n                return fileState.chunkSize;\n            } else {\n                var chunkSize = chunking.partSize;\n                if (qq.isFunction(chunkSize)) {\n                    chunkSize = chunkSize(id, getSize(id));\n                }\n                fileState.chunkSize = chunkSize;\n                return chunkSize;\n            }\n        }, resume = spec.options.resume, chunkFiles = chunking && spec.options.chunking.enabled && qq.supportedFeatures.chunking, resumeEnabled = resume && spec.options.resume.enabled && chunkFiles && qq.supportedFeatures.resume, getName = proxy.getName, getSize = proxy.getSize, getUuid = proxy.getUuid, getEndpoint = proxy.getEndpoint, getDataByUuid = proxy.getDataByUuid, onUuidChanged = proxy.onUuidChanged, onProgress = proxy.onProgress, log = proxy.log, getCustomResumeData = proxy.getCustomResumeData;\n        function abort(id) {\n            qq.each(handler._getXhrs(id), function(xhrId, xhr) {\n                var ajaxRequester = handler._getAjaxRequester(id, xhrId);\n                xhr.onreadystatechange = null;\n                xhr.upload.onprogress = null;\n                xhr.abort();\n                ajaxRequester && ajaxRequester.canceled && ajaxRequester.canceled(id);\n            });\n        }\n        qq.extend(this, new qq.UploadHandler(spec));\n        qq.override(this, function(super_) {\n            return {\n                add: function(id, blobOrProxy) {\n                    if (qq.isFile(blobOrProxy) || qq.isBlob(blobOrProxy)) {\n                        super_.add(id, {\n                            file: blobOrProxy\n                        });\n                    } else if (blobOrProxy instanceof qq.BlobProxy) {\n                        super_.add(id, {\n                            proxy: blobOrProxy\n                        });\n                    } else {\n                        throw new Error(\"Passed obj is not a File, Blob, or proxy\");\n                    }\n                    handler._initTempState(id);\n                    resumeEnabled && handler._maybePrepareForResume(id);\n                },\n                expunge: function(id) {\n                    abort(id);\n                    handler._maybeDeletePersistedChunkData(id);\n                    handler._clearXhrs(id);\n                    super_.expunge(id);\n                }\n            };\n        });\n        qq.extend(this, {\n            clearCachedChunk: function(id, chunkIdx) {\n                var fileState = handler._getFileState(id);\n                if (fileState) {\n                    delete fileState.temp.cachedChunks[chunkIdx];\n                }\n            },\n            clearXhr: function(id, chunkIdx) {\n                var tempState = handler._getFileState(id).temp;\n                if (tempState.xhrs) {\n                    delete tempState.xhrs[chunkIdx];\n                }\n                if (tempState.ajaxRequesters) {\n                    delete tempState.ajaxRequesters[chunkIdx];\n                }\n            },\n            finalizeChunks: function(id, responseParser) {\n                var lastChunkIdx = handler._getTotalChunks(id) - 1, xhr = handler._getXhr(id, lastChunkIdx);\n                if (responseParser) {\n                    return new qq.Promise().success(responseParser(xhr), xhr);\n                }\n                return new qq.Promise().success({}, xhr);\n            },\n            getFile: function(id) {\n                return handler.isValid(id) && handler._getFileState(id).file;\n            },\n            getProxy: function(id) {\n                return handler.isValid(id) && handler._getFileState(id).proxy;\n            },\n            getResumableFilesData: function() {\n                var resumableFilesData = [];\n                handler._iterateResumeRecords(function(key, uploadData) {\n                    handler.moveInProgressToRemaining(null, uploadData.chunking.inProgress, uploadData.chunking.remaining);\n                    var data = {\n                        name: uploadData.name,\n                        remaining: uploadData.chunking.remaining,\n                        size: uploadData.size,\n                        uuid: uploadData.uuid\n                    };\n                    if (uploadData.key) {\n                        data.key = uploadData.key;\n                    }\n                    if (uploadData.customResumeData) {\n                        data.customResumeData = uploadData.customResumeData;\n                    }\n                    resumableFilesData.push(data);\n                });\n                return resumableFilesData;\n            },\n            isAttemptingResume: function(id) {\n                return handler._getFileState(id).attemptingResume;\n            },\n            isResumable: function(id) {\n                return !!chunking && handler.isValid(id) && !handler._getFileState(id).notResumable;\n            },\n            moveInProgressToRemaining: function(id, optInProgress, optRemaining) {\n                var fileState = handler._getFileState(id) || {}, chunkingState = fileState.chunking || {}, inProgress = optInProgress || chunkingState.inProgress, remaining = optRemaining || chunkingState.remaining;\n                if (inProgress) {\n                    log(qq.format(\"Moving these chunks from in-progress {}, to remaining.\", JSON.stringify(inProgress)));\n                    inProgress.reverse();\n                    qq.each(inProgress, function(idx, chunkIdx) {\n                        remaining.unshift(chunkIdx);\n                    });\n                    inProgress.length = 0;\n                }\n            },\n            pause: function(id) {\n                if (handler.isValid(id)) {\n                    log(qq.format(\"Aborting XHR upload for {} '{}' due to pause instruction.\", id, getName(id)));\n                    handler._getFileState(id).paused = true;\n                    abort(id);\n                    return true;\n                }\n            },\n            reevaluateChunking: function(id) {\n                if (chunking && handler.isValid(id)) {\n                    var state = handler._getFileState(id), totalChunks, i;\n                    delete state.chunking;\n                    state.chunking = {};\n                    totalChunks = handler._getTotalChunks(id);\n                    if (totalChunks > 1 || chunking.mandatory) {\n                        state.chunking.enabled = true;\n                        state.chunking.parts = totalChunks;\n                        state.chunking.remaining = [];\n                        for (i = 0; i < totalChunks; i++) {\n                            state.chunking.remaining.push(i);\n                        }\n                        handler._initTempState(id);\n                    } else {\n                        state.chunking.enabled = false;\n                    }\n                }\n            },\n            updateBlob: function(id, newBlob) {\n                if (handler.isValid(id)) {\n                    handler._getFileState(id).file = newBlob;\n                }\n            },\n            _clearXhrs: function(id) {\n                var tempState = handler._getFileState(id).temp;\n                qq.each(tempState.ajaxRequesters, function(chunkId) {\n                    delete tempState.ajaxRequesters[chunkId];\n                });\n                qq.each(tempState.xhrs, function(chunkId) {\n                    delete tempState.xhrs[chunkId];\n                });\n            },\n            _createXhr: function(id, optChunkIdx) {\n                return handler._registerXhr(id, optChunkIdx, qq.createXhrInstance());\n            },\n            _getAjaxRequester: function(id, optChunkIdx) {\n                var chunkIdx = optChunkIdx == null ? -1 : optChunkIdx;\n                return handler._getFileState(id).temp.ajaxRequesters[chunkIdx];\n            },\n            _getChunkData: function(id, chunkIndex) {\n                var chunkSize = getChunkSize(id), fileSize = getSize(id), fileOrBlob = handler.getFile(id), startBytes = chunkSize * chunkIndex, endBytes = startBytes + chunkSize >= fileSize ? fileSize : startBytes + chunkSize, totalChunks = handler._getTotalChunks(id), cachedChunks = this._getFileState(id).temp.cachedChunks, blob = cachedChunks[chunkIndex] || qq.sliceBlob(fileOrBlob, startBytes, endBytes);\n                cachedChunks[chunkIndex] = blob;\n                return {\n                    part: chunkIndex,\n                    start: startBytes,\n                    end: endBytes,\n                    count: totalChunks,\n                    blob: blob,\n                    size: endBytes - startBytes\n                };\n            },\n            _getChunkDataForCallback: function(chunkData) {\n                return {\n                    partIndex: chunkData.part,\n                    startByte: chunkData.start + 1,\n                    endByte: chunkData.end,\n                    totalParts: chunkData.count\n                };\n            },\n            _getLocalStorageId: function(id) {\n                var formatVersion = \"5.0\", name = getName(id), size = getSize(id), chunkSize = getChunkSize(id), endpoint = getEndpoint(id), customKeys = resume.customKeys(id), localStorageId = qq.format(\"qq{}resume{}-{}-{}-{}-{}\", namespace, formatVersion, name, size, chunkSize, endpoint);\n                customKeys.forEach(function(key) {\n                    localStorageId += \"-\" + key;\n                });\n                return localStorageId;\n            },\n            _getMimeType: function(id) {\n                return handler.getFile(id).type;\n            },\n            _getPersistableData: function(id) {\n                return handler._getFileState(id).chunking;\n            },\n            _getTotalChunks: function(id) {\n                if (chunking) {\n                    var fileSize = getSize(id), chunkSize = getChunkSize(id);\n                    return Math.ceil(fileSize / chunkSize);\n                }\n            },\n            _getXhr: function(id, optChunkIdx) {\n                var chunkIdx = optChunkIdx == null ? -1 : optChunkIdx;\n                return handler._getFileState(id).temp.xhrs[chunkIdx];\n            },\n            _getXhrs: function(id) {\n                return handler._getFileState(id).temp.xhrs;\n            },\n            _iterateResumeRecords: function(callback) {\n                if (resumeEnabled) {\n                    qq.each(localStorage, function(key, item) {\n                        if (key.indexOf(qq.format(\"qq{}resume\", namespace)) === 0) {\n                            var uploadData = JSON.parse(item);\n                            callback(key, uploadData);\n                        }\n                    });\n                }\n            },\n            _initTempState: function(id) {\n                handler._getFileState(id).temp = {\n                    ajaxRequesters: {},\n                    chunkProgress: {},\n                    xhrs: {},\n                    cachedChunks: {}\n                };\n            },\n            _markNotResumable: function(id) {\n                handler._getFileState(id).notResumable = true;\n            },\n            _maybeDeletePersistedChunkData: function(id) {\n                var localStorageId;\n                if (resumeEnabled && handler.isResumable(id)) {\n                    localStorageId = handler._getLocalStorageId(id);\n                    if (localStorageId && localStorage.getItem(localStorageId)) {\n                        localStorage.removeItem(localStorageId);\n                        return true;\n                    }\n                }\n                return false;\n            },\n            _maybePrepareForResume: function(id) {\n                var state = handler._getFileState(id), localStorageId, persistedData;\n                if (resumeEnabled && state.key === undefined) {\n                    localStorageId = handler._getLocalStorageId(id);\n                    persistedData = localStorage.getItem(localStorageId);\n                    if (persistedData) {\n                        persistedData = JSON.parse(persistedData);\n                        if (getDataByUuid(persistedData.uuid)) {\n                            handler._markNotResumable(id);\n                        } else {\n                            log(qq.format(\"Identified file with ID {} and name of {} as resumable.\", id, getName(id)));\n                            onUuidChanged(id, persistedData.uuid);\n                            state.key = persistedData.key;\n                            state.chunking = persistedData.chunking;\n                            state.loaded = persistedData.loaded;\n                            state.customResumeData = persistedData.customResumeData;\n                            state.attemptingResume = true;\n                            handler.moveInProgressToRemaining(id);\n                        }\n                    }\n                }\n            },\n            _maybePersistChunkedState: function(id) {\n                var state = handler._getFileState(id), localStorageId, persistedData;\n                if (resumeEnabled && handler.isResumable(id)) {\n                    var customResumeData = getCustomResumeData(id);\n                    localStorageId = handler._getLocalStorageId(id);\n                    persistedData = {\n                        name: getName(id),\n                        size: getSize(id),\n                        uuid: getUuid(id),\n                        key: state.key,\n                        chunking: state.chunking,\n                        loaded: state.loaded,\n                        lastUpdated: Date.now()\n                    };\n                    if (customResumeData) {\n                        persistedData.customResumeData = customResumeData;\n                    }\n                    try {\n                        localStorage.setItem(localStorageId, JSON.stringify(persistedData));\n                    } catch (error) {\n                        log(qq.format(\"Unable to save resume data for '{}' due to error: '{}'.\", id, error.toString()), \"warn\");\n                    }\n                }\n            },\n            _registerProgressHandler: function(id, chunkIdx, chunkSize) {\n                var xhr = handler._getXhr(id, chunkIdx), name = getName(id), progressCalculator = {\n                    simple: function(loaded, total) {\n                        var fileSize = getSize(id);\n                        if (loaded === total) {\n                            onProgress(id, name, fileSize, fileSize);\n                        } else {\n                            onProgress(id, name, loaded >= fileSize ? fileSize - 1 : loaded, fileSize);\n                        }\n                    },\n                    chunked: function(loaded, total) {\n                        var chunkProgress = handler._getFileState(id).temp.chunkProgress, totalSuccessfullyLoadedForFile = handler._getFileState(id).loaded, loadedForRequest = loaded, totalForRequest = total, totalFileSize = getSize(id), estActualChunkLoaded = loadedForRequest - (totalForRequest - chunkSize), totalLoadedForFile = totalSuccessfullyLoadedForFile;\n                        chunkProgress[chunkIdx] = estActualChunkLoaded;\n                        qq.each(chunkProgress, function(chunkIdx, chunkLoaded) {\n                            totalLoadedForFile += chunkLoaded;\n                        });\n                        onProgress(id, name, totalLoadedForFile, totalFileSize);\n                    }\n                };\n                xhr.upload.onprogress = function(e) {\n                    if (e.lengthComputable) {\n                        var type = chunkSize == null ? \"simple\" : \"chunked\";\n                        progressCalculator[type](e.loaded, e.total);\n                    }\n                };\n            },\n            _registerXhr: function(id, optChunkIdx, xhr, optAjaxRequester) {\n                var xhrsId = optChunkIdx == null ? -1 : optChunkIdx, tempState = handler._getFileState(id).temp;\n                tempState.xhrs = tempState.xhrs || {};\n                tempState.ajaxRequesters = tempState.ajaxRequesters || {};\n                tempState.xhrs[xhrsId] = xhr;\n                if (optAjaxRequester) {\n                    tempState.ajaxRequesters[xhrsId] = optAjaxRequester;\n                }\n                return xhr;\n            },\n            _removeExpiredChunkingRecords: function() {\n                var expirationDays = resume.recordsExpireIn;\n                handler._iterateResumeRecords(function(key, uploadData) {\n                    var expirationDate = new Date(uploadData.lastUpdated);\n                    expirationDate.setDate(expirationDate.getDate() + expirationDays);\n                    if (expirationDate.getTime() <= Date.now()) {\n                        log(\"Removing expired resume record with key \" + key);\n                        localStorage.removeItem(key);\n                    }\n                });\n            },\n            _shouldChunkThisFile: function(id) {\n                var state = handler._getFileState(id);\n                if (state) {\n                    if (!state.chunking) {\n                        handler.reevaluateChunking(id);\n                    }\n                    return state.chunking.enabled;\n                }\n            }\n        });\n    };\n    qq.DeleteFileAjaxRequester = function(o) {\n        \"use strict\";\n        var requester, options = {\n            method: \"DELETE\",\n            uuidParamName: \"qquuid\",\n            endpointStore: {},\n            maxConnections: 3,\n            customHeaders: function(id) {\n                return {};\n            },\n            paramsStore: {},\n            cors: {\n                expected: false,\n                sendCredentials: false\n            },\n            log: function(str, level) {},\n            onDelete: function(id) {},\n            onDeleteComplete: function(id, xhrOrXdr, isError) {}\n        };\n        qq.extend(options, o);\n        function getMandatedParams() {\n            if (options.method.toUpperCase() === \"POST\") {\n                return {\n                    _method: \"DELETE\"\n                };\n            }\n            return {};\n        }\n        requester = qq.extend(this, new qq.AjaxRequester({\n            acceptHeader: \"application/json\",\n            validMethods: [ \"POST\", \"DELETE\" ],\n            method: options.method,\n            endpointStore: options.endpointStore,\n            paramsStore: options.paramsStore,\n            mandatedParams: getMandatedParams(),\n            maxConnections: options.maxConnections,\n            customHeaders: function(id) {\n                return options.customHeaders.get(id);\n            },\n            log: options.log,\n            onSend: options.onDelete,\n            onComplete: options.onDeleteComplete,\n            cors: options.cors\n        }));\n        qq.extend(this, {\n            sendDelete: function(id, uuid, additionalMandatedParams) {\n                var additionalOptions = additionalMandatedParams || {};\n                options.log(\"Submitting delete file request for \" + id);\n                if (options.method === \"DELETE\") {\n                    requester.initTransport(id).withPath(uuid).withParams(additionalOptions).send();\n                } else {\n                    additionalOptions[options.uuidParamName] = uuid;\n                    requester.initTransport(id).withParams(additionalOptions).send();\n                }\n            }\n        });\n    };\n    (function() {\n        function detectSubsampling(img) {\n            var iw = img.naturalWidth, ih = img.naturalHeight, canvas = document.createElement(\"canvas\"), ctx;\n            if (iw * ih > 1024 * 1024) {\n                canvas.width = canvas.height = 1;\n                ctx = canvas.getContext(\"2d\");\n                ctx.drawImage(img, -iw + 1, 0);\n                return ctx.getImageData(0, 0, 1, 1).data[3] === 0;\n            } else {\n                return false;\n            }\n        }\n        function detectVerticalSquash(img, iw, ih) {\n            var canvas = document.createElement(\"canvas\"), sy = 0, ey = ih, py = ih, ctx, data, alpha, ratio;\n            canvas.width = 1;\n            canvas.height = ih;\n            ctx = canvas.getContext(\"2d\");\n            ctx.drawImage(img, 0, 0);\n            data = ctx.getImageData(0, 0, 1, ih).data;\n            while (py > sy) {\n                alpha = data[(py - 1) * 4 + 3];\n                if (alpha === 0) {\n                    ey = py;\n                } else {\n                    sy = py;\n                }\n                py = ey + sy >> 1;\n            }\n            ratio = py / ih;\n            return ratio === 0 ? 1 : ratio;\n        }\n        function renderImageToDataURL(img, blob, options, doSquash) {\n            var canvas = document.createElement(\"canvas\"), mime = options.mime || \"image/jpeg\", promise = new qq.Promise();\n            renderImageToCanvas(img, blob, canvas, options, doSquash).then(function() {\n                promise.success(canvas.toDataURL(mime, options.quality || .8));\n            });\n            return promise;\n        }\n        function maybeCalculateDownsampledDimensions(spec) {\n            var maxPixels = 5241e3;\n            if (!qq.ios()) {\n                throw new qq.Error(\"Downsampled dimensions can only be reliably calculated for iOS!\");\n            }\n            if (spec.origHeight * spec.origWidth > maxPixels) {\n                return {\n                    newHeight: Math.round(Math.sqrt(maxPixels * (spec.origHeight / spec.origWidth))),\n                    newWidth: Math.round(Math.sqrt(maxPixels * (spec.origWidth / spec.origHeight)))\n                };\n            }\n        }\n        function renderImageToCanvas(img, blob, canvas, options, doSquash) {\n            var iw = img.naturalWidth, ih = img.naturalHeight, width = options.width, height = options.height, ctx = canvas.getContext(\"2d\"), promise = new qq.Promise(), modifiedDimensions;\n            ctx.save();\n            if (options.resize) {\n                return renderImageToCanvasWithCustomResizer({\n                    blob: blob,\n                    canvas: canvas,\n                    image: img,\n                    imageHeight: ih,\n                    imageWidth: iw,\n                    orientation: options.orientation,\n                    resize: options.resize,\n                    targetHeight: height,\n                    targetWidth: width\n                });\n            }\n            if (!qq.supportedFeatures.unlimitedScaledImageSize) {\n                modifiedDimensions = maybeCalculateDownsampledDimensions({\n                    origWidth: width,\n                    origHeight: height\n                });\n                if (modifiedDimensions) {\n                    qq.log(qq.format(\"Had to reduce dimensions due to device limitations from {}w / {}h to {}w / {}h\", width, height, modifiedDimensions.newWidth, modifiedDimensions.newHeight), \"warn\");\n                    width = modifiedDimensions.newWidth;\n                    height = modifiedDimensions.newHeight;\n                }\n            }\n            transformCoordinate(canvas, width, height, options.orientation);\n            if (qq.ios()) {\n                (function() {\n                    if (detectSubsampling(img)) {\n                        iw /= 2;\n                        ih /= 2;\n                    }\n                    var d = 1024, tmpCanvas = document.createElement(\"canvas\"), vertSquashRatio = doSquash ? detectVerticalSquash(img, iw, ih) : 1, dw = Math.ceil(d * width / iw), dh = Math.ceil(d * height / ih / vertSquashRatio), sy = 0, dy = 0, tmpCtx, sx, dx;\n                    tmpCanvas.width = tmpCanvas.height = d;\n                    tmpCtx = tmpCanvas.getContext(\"2d\");\n                    while (sy < ih) {\n                        sx = 0;\n                        dx = 0;\n                        while (sx < iw) {\n                            tmpCtx.clearRect(0, 0, d, d);\n                            tmpCtx.drawImage(img, -sx, -sy);\n                            ctx.drawImage(tmpCanvas, 0, 0, d, d, dx, dy, dw, dh);\n                            sx += d;\n                            dx += dw;\n                        }\n                        sy += d;\n                        dy += dh;\n                    }\n                    ctx.restore();\n                    tmpCanvas = tmpCtx = null;\n                })();\n            } else {\n                ctx.drawImage(img, 0, 0, width, height);\n            }\n            canvas.qqImageRendered && canvas.qqImageRendered();\n            promise.success();\n            return promise;\n        }\n        function renderImageToCanvasWithCustomResizer(resizeInfo) {\n            var blob = resizeInfo.blob, image = resizeInfo.image, imageHeight = resizeInfo.imageHeight, imageWidth = resizeInfo.imageWidth, orientation = resizeInfo.orientation, promise = new qq.Promise(), resize = resizeInfo.resize, sourceCanvas = document.createElement(\"canvas\"), sourceCanvasContext = sourceCanvas.getContext(\"2d\"), targetCanvas = resizeInfo.canvas, targetHeight = resizeInfo.targetHeight, targetWidth = resizeInfo.targetWidth;\n            transformCoordinate(sourceCanvas, imageWidth, imageHeight, orientation);\n            targetCanvas.height = targetHeight;\n            targetCanvas.width = targetWidth;\n            sourceCanvasContext.drawImage(image, 0, 0);\n            resize({\n                blob: blob,\n                height: targetHeight,\n                image: image,\n                sourceCanvas: sourceCanvas,\n                targetCanvas: targetCanvas,\n                width: targetWidth\n            }).then(function success() {\n                targetCanvas.qqImageRendered && targetCanvas.qqImageRendered();\n                promise.success();\n            }, promise.failure);\n            return promise;\n        }\n        function transformCoordinate(canvas, width, height, orientation) {\n            switch (orientation) {\n              case 5:\n              case 6:\n              case 7:\n              case 8:\n                canvas.width = height;\n                canvas.height = width;\n                break;\n\n              default:\n                canvas.width = width;\n                canvas.height = height;\n            }\n            var ctx = canvas.getContext(\"2d\");\n            switch (orientation) {\n              case 2:\n                ctx.translate(width, 0);\n                ctx.scale(-1, 1);\n                break;\n\n              case 3:\n                ctx.translate(width, height);\n                ctx.rotate(Math.PI);\n                break;\n\n              case 4:\n                ctx.translate(0, height);\n                ctx.scale(1, -1);\n                break;\n\n              case 5:\n                ctx.rotate(.5 * Math.PI);\n                ctx.scale(1, -1);\n                break;\n\n              case 6:\n                ctx.rotate(.5 * Math.PI);\n                ctx.translate(0, -height);\n                break;\n\n              case 7:\n                ctx.rotate(.5 * Math.PI);\n                ctx.translate(width, -height);\n                ctx.scale(-1, 1);\n                break;\n\n              case 8:\n                ctx.rotate(-.5 * Math.PI);\n                ctx.translate(-width, 0);\n                break;\n\n              default:\n                break;\n            }\n        }\n        function MegaPixImage(srcImage, errorCallback) {\n            var self = this;\n            if (window.Blob && srcImage instanceof Blob) {\n                (function() {\n                    var img = new Image(), URL = window.URL && window.URL.createObjectURL ? window.URL : window.webkitURL && window.webkitURL.createObjectURL ? window.webkitURL : null;\n                    if (!URL) {\n                        throw Error(\"No createObjectURL function found to create blob url\");\n                    }\n                    img.src = URL.createObjectURL(srcImage);\n                    self.blob = srcImage;\n                    srcImage = img;\n                })();\n            }\n            if (!srcImage.naturalWidth && !srcImage.naturalHeight) {\n                srcImage.onload = function() {\n                    var listeners = self.imageLoadListeners;\n                    if (listeners) {\n                        self.imageLoadListeners = null;\n                        setTimeout(function() {\n                            for (var i = 0, len = listeners.length; i < len; i++) {\n                                listeners[i]();\n                            }\n                        }, 0);\n                    }\n                };\n                srcImage.onerror = errorCallback;\n                this.imageLoadListeners = [];\n            }\n            this.srcImage = srcImage;\n        }\n        MegaPixImage.prototype.render = function(target, options) {\n            options = options || {};\n            var self = this, imgWidth = this.srcImage.naturalWidth, imgHeight = this.srcImage.naturalHeight, width = options.width, height = options.height, maxWidth = options.maxWidth, maxHeight = options.maxHeight, doSquash = !this.blob || this.blob.type === \"image/jpeg\", tagName = target.tagName.toLowerCase(), opt;\n            if (this.imageLoadListeners) {\n                this.imageLoadListeners.push(function() {\n                    self.render(target, options);\n                });\n                return;\n            }\n            if (width && !height) {\n                height = imgHeight * width / imgWidth << 0;\n            } else if (height && !width) {\n                width = imgWidth * height / imgHeight << 0;\n            } else {\n                width = imgWidth;\n                height = imgHeight;\n            }\n            if (maxWidth && width > maxWidth) {\n                width = maxWidth;\n                height = imgHeight * width / imgWidth << 0;\n            }\n            if (maxHeight && height > maxHeight) {\n                height = maxHeight;\n                width = imgWidth * height / imgHeight << 0;\n            }\n            opt = {\n                width: width,\n                height: height\n            }, qq.each(options, function(optionsKey, optionsValue) {\n                opt[optionsKey] = optionsValue;\n            });\n            if (tagName === \"img\") {\n                (function() {\n                    var oldTargetSrc = target.src;\n                    renderImageToDataURL(self.srcImage, self.blob, opt, doSquash).then(function(dataUri) {\n                        target.src = dataUri;\n                        oldTargetSrc === target.src && target.onload();\n                    });\n                })();\n            } else if (tagName === \"canvas\") {\n                renderImageToCanvas(this.srcImage, this.blob, target, opt, doSquash);\n            }\n            if (typeof this.onrender === \"function\") {\n                this.onrender(target);\n            }\n        };\n        qq.MegaPixImage = MegaPixImage;\n    })();\n    qq.ImageGenerator = function(log) {\n        \"use strict\";\n        function isImg(el) {\n            return el.tagName.toLowerCase() === \"img\";\n        }\n        function isCanvas(el) {\n            return el.tagName.toLowerCase() === \"canvas\";\n        }\n        function isImgCorsSupported() {\n            return new Image().crossOrigin !== undefined;\n        }\n        function isCanvasSupported() {\n            var canvas = document.createElement(\"canvas\");\n            return canvas.getContext && canvas.getContext(\"2d\");\n        }\n        function determineMimeOfFileName(nameWithPath) {\n            var pathSegments = nameWithPath.split(\"/\"), name = pathSegments[pathSegments.length - 1].split(\"?\")[0], extension = qq.getExtension(name);\n            extension = extension && extension.toLowerCase();\n            switch (extension) {\n              case \"jpeg\":\n              case \"jpg\":\n                return \"image/jpeg\";\n\n              case \"png\":\n                return \"image/png\";\n\n              case \"bmp\":\n                return \"image/bmp\";\n\n              case \"gif\":\n                return \"image/gif\";\n\n              case \"tiff\":\n              case \"tif\":\n                return \"image/tiff\";\n            }\n        }\n        function isCrossOrigin(url) {\n            var targetAnchor = document.createElement(\"a\"), targetProtocol, targetHostname, targetPort;\n            targetAnchor.href = url;\n            targetProtocol = targetAnchor.protocol;\n            targetPort = targetAnchor.port;\n            targetHostname = targetAnchor.hostname;\n            if (targetProtocol.toLowerCase() !== window.location.protocol.toLowerCase()) {\n                return true;\n            }\n            if (targetHostname.toLowerCase() !== window.location.hostname.toLowerCase()) {\n                return true;\n            }\n            if (targetPort !== window.location.port && !qq.ie()) {\n                return true;\n            }\n            return false;\n        }\n        function registerImgLoadListeners(img, promise) {\n            img.onload = function() {\n                img.onload = null;\n                img.onerror = null;\n                promise.success(img);\n            };\n            img.onerror = function() {\n                img.onload = null;\n                img.onerror = null;\n                log(\"Problem drawing thumbnail!\", \"error\");\n                promise.failure(img, \"Problem drawing thumbnail!\");\n            };\n        }\n        function registerCanvasDrawImageListener(canvas, promise) {\n            canvas.qqImageRendered = function() {\n                promise.success(canvas);\n            };\n        }\n        function registerThumbnailRenderedListener(imgOrCanvas, promise) {\n            var registered = isImg(imgOrCanvas) || isCanvas(imgOrCanvas);\n            if (isImg(imgOrCanvas)) {\n                registerImgLoadListeners(imgOrCanvas, promise);\n            } else if (isCanvas(imgOrCanvas)) {\n                registerCanvasDrawImageListener(imgOrCanvas, promise);\n            } else {\n                promise.failure(imgOrCanvas);\n                log(qq.format(\"Element container of type {} is not supported!\", imgOrCanvas.tagName), \"error\");\n            }\n            return registered;\n        }\n        function draw(fileOrBlob, container, options) {\n            var drawPreview = new qq.Promise(), identifier = new qq.Identify(fileOrBlob, log), maxSize = options.maxSize, orient = options.orient == null ? true : options.orient, megapixErrorHandler = function() {\n                container.onerror = null;\n                container.onload = null;\n                log(\"Could not render preview, file may be too large!\", \"error\");\n                drawPreview.failure(container, \"Browser cannot render image!\");\n            };\n            identifier.isPreviewable().then(function(mime) {\n                var dummyExif = {\n                    parse: function() {\n                        return new qq.Promise().success();\n                    }\n                }, exif = orient ? new qq.Exif(fileOrBlob, log) : dummyExif, mpImg = new qq.MegaPixImage(fileOrBlob, megapixErrorHandler);\n                if (registerThumbnailRenderedListener(container, drawPreview)) {\n                    exif.parse().then(function(exif) {\n                        var orientation = exif && exif.Orientation;\n                        mpImg.render(container, {\n                            maxWidth: maxSize,\n                            maxHeight: maxSize,\n                            orientation: orientation,\n                            mime: mime,\n                            resize: options.customResizeFunction\n                        });\n                    }, function(failureMsg) {\n                        log(qq.format(\"EXIF data could not be parsed ({}).  Assuming orientation = 1.\", failureMsg));\n                        mpImg.render(container, {\n                            maxWidth: maxSize,\n                            maxHeight: maxSize,\n                            mime: mime,\n                            resize: options.customResizeFunction\n                        });\n                    });\n                }\n            }, function() {\n                log(\"Not previewable\");\n                drawPreview.failure(container, \"Not previewable\");\n            });\n            return drawPreview;\n        }\n        function drawOnCanvasOrImgFromUrl(url, canvasOrImg, draw, maxSize, customResizeFunction) {\n            var tempImg = new Image(), tempImgRender = new qq.Promise();\n            registerThumbnailRenderedListener(tempImg, tempImgRender);\n            if (isCrossOrigin(url)) {\n                tempImg.crossOrigin = \"anonymous\";\n            }\n            tempImg.src = url;\n            tempImgRender.then(function rendered() {\n                registerThumbnailRenderedListener(canvasOrImg, draw);\n                var mpImg = new qq.MegaPixImage(tempImg);\n                mpImg.render(canvasOrImg, {\n                    maxWidth: maxSize,\n                    maxHeight: maxSize,\n                    mime: determineMimeOfFileName(url),\n                    resize: customResizeFunction\n                });\n            }, draw.failure);\n        }\n        function drawOnImgFromUrlWithCssScaling(url, img, draw, maxSize) {\n            registerThumbnailRenderedListener(img, draw);\n            qq(img).css({\n                maxWidth: maxSize + \"px\",\n                maxHeight: maxSize + \"px\"\n            });\n            img.src = url;\n        }\n        function drawFromUrl(url, container, options) {\n            var draw = new qq.Promise(), scale = options.scale, maxSize = scale ? options.maxSize : null;\n            if (scale && isImg(container)) {\n                if (isCanvasSupported()) {\n                    if (isCrossOrigin(url) && !isImgCorsSupported()) {\n                        drawOnImgFromUrlWithCssScaling(url, container, draw, maxSize);\n                    } else {\n                        drawOnCanvasOrImgFromUrl(url, container, draw, maxSize);\n                    }\n                } else {\n                    drawOnImgFromUrlWithCssScaling(url, container, draw, maxSize);\n                }\n            } else if (isCanvas(container)) {\n                drawOnCanvasOrImgFromUrl(url, container, draw, maxSize);\n            } else if (registerThumbnailRenderedListener(container, draw)) {\n                container.src = url;\n            }\n            return draw;\n        }\n        qq.extend(this, {\n            generate: function(fileBlobOrUrl, container, options) {\n                if (qq.isString(fileBlobOrUrl)) {\n                    log(\"Attempting to update thumbnail based on server response.\");\n                    return drawFromUrl(fileBlobOrUrl, container, options || {});\n                } else {\n                    log(\"Attempting to draw client-side image preview.\");\n                    return draw(fileBlobOrUrl, container, options || {});\n                }\n            }\n        });\n        this._testing = {};\n        this._testing.isImg = isImg;\n        this._testing.isCanvas = isCanvas;\n        this._testing.isCrossOrigin = isCrossOrigin;\n        this._testing.determineMimeOfFileName = determineMimeOfFileName;\n    };\n    qq.Exif = function(fileOrBlob, log) {\n        \"use strict\";\n        var TAG_IDS = [ 274 ], TAG_INFO = {\n            274: {\n                name: \"Orientation\",\n                bytes: 2\n            }\n        };\n        function parseLittleEndian(hex) {\n            var result = 0, pow = 0;\n            while (hex.length > 0) {\n                result += parseInt(hex.substring(0, 2), 16) * Math.pow(2, pow);\n                hex = hex.substring(2, hex.length);\n                pow += 8;\n            }\n            return result;\n        }\n        function seekToApp1(offset, promise) {\n            var theOffset = offset, thePromise = promise;\n            if (theOffset === undefined) {\n                theOffset = 2;\n                thePromise = new qq.Promise();\n            }\n            qq.readBlobToHex(fileOrBlob, theOffset, 4).then(function(hex) {\n                var match = /^ffe([0-9])/.exec(hex), segmentLength;\n                if (match) {\n                    if (match[1] !== \"1\") {\n                        segmentLength = parseInt(hex.slice(4, 8), 16);\n                        seekToApp1(theOffset + segmentLength + 2, thePromise);\n                    } else {\n                        thePromise.success(theOffset);\n                    }\n                } else {\n                    thePromise.failure(\"No EXIF header to be found!\");\n                }\n            });\n            return thePromise;\n        }\n        function getApp1Offset() {\n            var promise = new qq.Promise();\n            qq.readBlobToHex(fileOrBlob, 0, 6).then(function(hex) {\n                if (hex.indexOf(\"ffd8\") !== 0) {\n                    promise.failure(\"Not a valid JPEG!\");\n                } else {\n                    seekToApp1().then(function(offset) {\n                        promise.success(offset);\n                    }, function(error) {\n                        promise.failure(error);\n                    });\n                }\n            });\n            return promise;\n        }\n        function isLittleEndian(app1Start) {\n            var promise = new qq.Promise();\n            qq.readBlobToHex(fileOrBlob, app1Start + 10, 2).then(function(hex) {\n                promise.success(hex === \"4949\");\n            });\n            return promise;\n        }\n        function getDirEntryCount(app1Start, littleEndian) {\n            var promise = new qq.Promise();\n            qq.readBlobToHex(fileOrBlob, app1Start + 18, 2).then(function(hex) {\n                if (littleEndian) {\n                    return promise.success(parseLittleEndian(hex));\n                } else {\n                    promise.success(parseInt(hex, 16));\n                }\n            });\n            return promise;\n        }\n        function getIfd(app1Start, dirEntries) {\n            var offset = app1Start + 20, bytes = dirEntries * 12;\n            return qq.readBlobToHex(fileOrBlob, offset, bytes);\n        }\n        function getDirEntries(ifdHex) {\n            var entries = [], offset = 0;\n            while (offset + 24 <= ifdHex.length) {\n                entries.push(ifdHex.slice(offset, offset + 24));\n                offset += 24;\n            }\n            return entries;\n        }\n        function getTagValues(littleEndian, dirEntries) {\n            var TAG_VAL_OFFSET = 16, tagsToFind = qq.extend([], TAG_IDS), vals = {};\n            qq.each(dirEntries, function(idx, entry) {\n                var idHex = entry.slice(0, 4), id = littleEndian ? parseLittleEndian(idHex) : parseInt(idHex, 16), tagsToFindIdx = tagsToFind.indexOf(id), tagValHex, tagName, tagValLength;\n                if (tagsToFindIdx >= 0) {\n                    tagName = TAG_INFO[id].name;\n                    tagValLength = TAG_INFO[id].bytes;\n                    tagValHex = entry.slice(TAG_VAL_OFFSET, TAG_VAL_OFFSET + tagValLength * 2);\n                    vals[tagName] = littleEndian ? parseLittleEndian(tagValHex) : parseInt(tagValHex, 16);\n                    tagsToFind.splice(tagsToFindIdx, 1);\n                }\n                if (tagsToFind.length === 0) {\n                    return false;\n                }\n            });\n            return vals;\n        }\n        qq.extend(this, {\n            parse: function() {\n                var parser = new qq.Promise(), onParseFailure = function(message) {\n                    log(qq.format(\"EXIF header parse failed: '{}' \", message));\n                    parser.failure(message);\n                };\n                getApp1Offset().then(function(app1Offset) {\n                    log(qq.format(\"Moving forward with EXIF header parsing for '{}'\", fileOrBlob.name === undefined ? \"blob\" : fileOrBlob.name));\n                    isLittleEndian(app1Offset).then(function(littleEndian) {\n                        log(qq.format(\"EXIF Byte order is {} endian\", littleEndian ? \"little\" : \"big\"));\n                        getDirEntryCount(app1Offset, littleEndian).then(function(dirEntryCount) {\n                            log(qq.format(\"Found {} APP1 directory entries\", dirEntryCount));\n                            getIfd(app1Offset, dirEntryCount).then(function(ifdHex) {\n                                var dirEntries = getDirEntries(ifdHex), tagValues = getTagValues(littleEndian, dirEntries);\n                                log(\"Successfully parsed some EXIF tags\");\n                                parser.success(tagValues);\n                            }, onParseFailure);\n                        }, onParseFailure);\n                    }, onParseFailure);\n                }, onParseFailure);\n                return parser;\n            }\n        });\n        this._testing = {};\n        this._testing.parseLittleEndian = parseLittleEndian;\n    };\n    qq.Identify = function(fileOrBlob, log) {\n        \"use strict\";\n        function isIdentifiable(magicBytes, questionableBytes) {\n            var identifiable = false, magicBytesEntries = [].concat(magicBytes);\n            qq.each(magicBytesEntries, function(idx, magicBytesArrayEntry) {\n                if (questionableBytes.indexOf(magicBytesArrayEntry) === 0) {\n                    identifiable = true;\n                    return false;\n                }\n            });\n            return identifiable;\n        }\n        qq.extend(this, {\n            isPreviewable: function() {\n                var self = this, identifier = new qq.Promise(), previewable = false, name = fileOrBlob.name === undefined ? \"blob\" : fileOrBlob.name;\n                log(qq.format(\"Attempting to determine if {} can be rendered in this browser\", name));\n                log(\"First pass: check type attribute of blob object.\");\n                if (this.isPreviewableSync()) {\n                    log(\"Second pass: check for magic bytes in file header.\");\n                    qq.readBlobToHex(fileOrBlob, 0, 4).then(function(hex) {\n                        qq.each(self.PREVIEWABLE_MIME_TYPES, function(mime, bytes) {\n                            if (isIdentifiable(bytes, hex)) {\n                                if (mime !== \"image/tiff\" || qq.supportedFeatures.tiffPreviews) {\n                                    previewable = true;\n                                    identifier.success(mime);\n                                }\n                                return false;\n                            }\n                        });\n                        log(qq.format(\"'{}' is {} able to be rendered in this browser\", name, previewable ? \"\" : \"NOT\"));\n                        if (!previewable) {\n                            identifier.failure();\n                        }\n                    }, function() {\n                        log(\"Error reading file w/ name '\" + name + \"'.  Not able to be rendered in this browser.\");\n                        identifier.failure();\n                    });\n                } else {\n                    identifier.failure();\n                }\n                return identifier;\n            },\n            isPreviewableSync: function() {\n                var fileMime = fileOrBlob.type, isRecognizedImage = qq.indexOf(Object.keys(this.PREVIEWABLE_MIME_TYPES), fileMime) >= 0, previewable = false, name = fileOrBlob.name === undefined ? \"blob\" : fileOrBlob.name;\n                if (isRecognizedImage) {\n                    if (fileMime === \"image/tiff\") {\n                        previewable = qq.supportedFeatures.tiffPreviews;\n                    } else {\n                        previewable = true;\n                    }\n                }\n                !previewable && log(name + \" is not previewable in this browser per the blob's type attr\");\n                return previewable;\n            }\n        });\n    };\n    qq.Identify.prototype.PREVIEWABLE_MIME_TYPES = {\n        \"image/jpeg\": \"ffd8ff\",\n        \"image/gif\": \"474946\",\n        \"image/png\": \"89504e\",\n        \"image/bmp\": \"424d\",\n        \"image/tiff\": [ \"49492a00\", \"4d4d002a\" ]\n    };\n    qq.ImageValidation = function(blob, log) {\n        \"use strict\";\n        function hasNonZeroLimits(limits) {\n            var atLeastOne = false;\n            qq.each(limits, function(limit, value) {\n                if (value > 0) {\n                    atLeastOne = true;\n                    return false;\n                }\n            });\n            return atLeastOne;\n        }\n        function getWidthHeight() {\n            var sizeDetermination = new qq.Promise();\n            new qq.Identify(blob, log).isPreviewable().then(function() {\n                var image = new Image(), url = window.URL && window.URL.createObjectURL ? window.URL : window.webkitURL && window.webkitURL.createObjectURL ? window.webkitURL : null;\n                if (url) {\n                    image.onerror = function() {\n                        log(\"Cannot determine dimensions for image.  May be too large.\", \"error\");\n                        sizeDetermination.failure();\n                    };\n                    image.onload = function() {\n                        sizeDetermination.success({\n                            width: this.width,\n                            height: this.height\n                        });\n                    };\n                    image.src = url.createObjectURL(blob);\n                } else {\n                    log(\"No createObjectURL function available to generate image URL!\", \"error\");\n                    sizeDetermination.failure();\n                }\n            }, sizeDetermination.failure);\n            return sizeDetermination;\n        }\n        function getFailingLimit(limits, dimensions) {\n            var failingLimit;\n            qq.each(limits, function(limitName, limitValue) {\n                if (limitValue > 0) {\n                    var limitMatcher = /(max|min)(Width|Height)/.exec(limitName), dimensionPropName = limitMatcher[2].charAt(0).toLowerCase() + limitMatcher[2].slice(1), actualValue = dimensions[dimensionPropName];\n                    switch (limitMatcher[1]) {\n                      case \"min\":\n                        if (actualValue < limitValue) {\n                            failingLimit = limitName;\n                            return false;\n                        }\n                        break;\n\n                      case \"max\":\n                        if (actualValue > limitValue) {\n                            failingLimit = limitName;\n                            return false;\n                        }\n                        break;\n                    }\n                }\n            });\n            return failingLimit;\n        }\n        this.validate = function(limits) {\n            var validationEffort = new qq.Promise();\n            log(\"Attempting to validate image.\");\n            if (hasNonZeroLimits(limits)) {\n                getWidthHeight().then(function(dimensions) {\n                    var failingLimit = getFailingLimit(limits, dimensions);\n                    if (failingLimit) {\n                        validationEffort.failure(failingLimit);\n                    } else {\n                        validationEffort.success();\n                    }\n                }, validationEffort.success);\n            } else {\n                validationEffort.success();\n            }\n            return validationEffort;\n        };\n    };\n    qq.Session = function(spec) {\n        \"use strict\";\n        var options = {\n            endpoint: null,\n            params: {},\n            customHeaders: {},\n            cors: {},\n            addFileRecord: function(sessionData) {},\n            log: function(message, level) {}\n        };\n        qq.extend(options, spec, true);\n        function isJsonResponseValid(response) {\n            if (qq.isArray(response)) {\n                return true;\n            }\n            options.log(\"Session response is not an array.\", \"error\");\n        }\n        function handleFileItems(fileItems, success, xhrOrXdr, promise) {\n            var someItemsIgnored = false;\n            success = success && isJsonResponseValid(fileItems);\n            if (success) {\n                qq.each(fileItems, function(idx, fileItem) {\n                    if (fileItem.uuid == null) {\n                        someItemsIgnored = true;\n                        options.log(qq.format(\"Session response item {} did not include a valid UUID - ignoring.\", idx), \"error\");\n                    } else if (fileItem.name == null) {\n                        someItemsIgnored = true;\n                        options.log(qq.format(\"Session response item {} did not include a valid name - ignoring.\", idx), \"error\");\n                    } else {\n                        try {\n                            options.addFileRecord(fileItem);\n                            return true;\n                        } catch (err) {\n                            someItemsIgnored = true;\n                            options.log(err.message, \"error\");\n                        }\n                    }\n                    return false;\n                });\n            }\n            promise[success && !someItemsIgnored ? \"success\" : \"failure\"](fileItems, xhrOrXdr);\n        }\n        this.refresh = function() {\n            var refreshEffort = new qq.Promise(), refreshCompleteCallback = function(response, success, xhrOrXdr) {\n                handleFileItems(response, success, xhrOrXdr, refreshEffort);\n            }, requesterOptions = qq.extend({}, options), requester = new qq.SessionAjaxRequester(qq.extend(requesterOptions, {\n                onComplete: refreshCompleteCallback\n            }));\n            requester.queryServer();\n            return refreshEffort;\n        };\n    };\n    qq.SessionAjaxRequester = function(spec) {\n        \"use strict\";\n        var requester, options = {\n            endpoint: null,\n            customHeaders: {},\n            params: {},\n            cors: {\n                expected: false,\n                sendCredentials: false\n            },\n            onComplete: function(response, success, xhrOrXdr) {},\n            log: function(str, level) {}\n        };\n        qq.extend(options, spec);\n        function onComplete(id, xhrOrXdr, isError) {\n            var response = null;\n            if (xhrOrXdr.responseText != null) {\n                try {\n                    response = qq.parseJson(xhrOrXdr.responseText);\n                } catch (err) {\n                    options.log(\"Problem parsing session response: \" + err.message, \"error\");\n                    isError = true;\n                }\n            }\n            options.onComplete(response, !isError, xhrOrXdr);\n        }\n        requester = qq.extend(this, new qq.AjaxRequester({\n            acceptHeader: \"application/json\",\n            validMethods: [ \"GET\" ],\n            method: \"GET\",\n            endpointStore: {\n                get: function() {\n                    return options.endpoint;\n                }\n            },\n            customHeaders: options.customHeaders,\n            log: options.log,\n            onComplete: onComplete,\n            cors: options.cors\n        }));\n        qq.extend(this, {\n            queryServer: function() {\n                var params = qq.extend({}, options.params);\n                options.log(\"Session query request.\");\n                requester.initTransport(\"sessionRefresh\").withParams(params).withCacheBuster().send();\n            }\n        });\n    };\n    qq.Scaler = function(spec, log) {\n        \"use strict\";\n        var self = this, customResizeFunction = spec.customResizer, includeOriginal = spec.sendOriginal, orient = spec.orient, defaultType = spec.defaultType, defaultQuality = spec.defaultQuality / 100, failedToScaleText = spec.failureText, includeExif = spec.includeExif, sizes = this._getSortedSizes(spec.sizes);\n        qq.extend(this, {\n            enabled: qq.supportedFeatures.scaling && sizes.length > 0,\n            getFileRecords: function(originalFileUuid, originalFileName, originalBlobOrBlobData) {\n                var self = this, records = [], originalBlob = originalBlobOrBlobData.blob ? originalBlobOrBlobData.blob : originalBlobOrBlobData, identifier = new qq.Identify(originalBlob, log);\n                if (identifier.isPreviewableSync()) {\n                    qq.each(sizes, function(idx, sizeRecord) {\n                        var outputType = self._determineOutputType({\n                            defaultType: defaultType,\n                            requestedType: sizeRecord.type,\n                            refType: originalBlob.type\n                        });\n                        records.push({\n                            uuid: qq.getUniqueId(),\n                            name: self._getName(originalFileName, {\n                                name: sizeRecord.name,\n                                type: outputType,\n                                refType: originalBlob.type\n                            }),\n                            blob: new qq.BlobProxy(originalBlob, qq.bind(self._generateScaledImage, self, {\n                                customResizeFunction: customResizeFunction,\n                                maxSize: sizeRecord.maxSize,\n                                orient: orient,\n                                type: outputType,\n                                quality: defaultQuality,\n                                failedText: failedToScaleText,\n                                includeExif: includeExif,\n                                log: log\n                            }))\n                        });\n                    });\n                    records.push({\n                        uuid: originalFileUuid,\n                        name: originalFileName,\n                        size: originalBlob.size,\n                        blob: includeOriginal ? originalBlob : null\n                    });\n                } else {\n                    records.push({\n                        uuid: originalFileUuid,\n                        name: originalFileName,\n                        size: originalBlob.size,\n                        blob: originalBlob\n                    });\n                }\n                return records;\n            },\n            handleNewFile: function(file, name, uuid, size, fileList, batchId, uuidParamName, api) {\n                var self = this, buttonId = file.qqButtonId || file.blob && file.blob.qqButtonId, scaledIds = [], originalId = null, addFileToHandler = api.addFileToHandler, uploadData = api.uploadData, paramsStore = api.paramsStore, proxyGroupId = qq.getUniqueId();\n                qq.each(self.getFileRecords(uuid, name, file), function(idx, record) {\n                    var blobSize = record.size, id;\n                    if (record.blob instanceof qq.BlobProxy) {\n                        blobSize = -1;\n                    }\n                    id = uploadData.addFile({\n                        uuid: record.uuid,\n                        name: record.name,\n                        size: blobSize,\n                        batchId: batchId,\n                        proxyGroupId: proxyGroupId\n                    });\n                    if (record.blob instanceof qq.BlobProxy) {\n                        scaledIds.push(id);\n                    } else {\n                        originalId = id;\n                    }\n                    if (record.blob) {\n                        addFileToHandler(id, record.blob);\n                        fileList.push({\n                            id: id,\n                            file: record.blob\n                        });\n                    } else {\n                        uploadData.setStatus(id, qq.status.REJECTED);\n                    }\n                });\n                if (originalId !== null) {\n                    qq.each(scaledIds, function(idx, scaledId) {\n                        var params = {\n                            qqparentuuid: uploadData.retrieve({\n                                id: originalId\n                            }).uuid,\n                            qqparentsize: uploadData.retrieve({\n                                id: originalId\n                            }).size\n                        };\n                        params[uuidParamName] = uploadData.retrieve({\n                            id: scaledId\n                        }).uuid;\n                        uploadData.setParentId(scaledId, originalId);\n                        paramsStore.addReadOnly(scaledId, params);\n                    });\n                    if (scaledIds.length) {\n                        (function() {\n                            var param = {};\n                            param[uuidParamName] = uploadData.retrieve({\n                                id: originalId\n                            }).uuid;\n                            paramsStore.addReadOnly(originalId, param);\n                        })();\n                    }\n                }\n            }\n        });\n    };\n    qq.extend(qq.Scaler.prototype, {\n        scaleImage: function(id, specs, api) {\n            \"use strict\";\n            if (!qq.supportedFeatures.scaling) {\n                throw new qq.Error(\"Scaling is not supported in this browser!\");\n            }\n            var scalingEffort = new qq.Promise(), log = api.log, file = api.getFile(id), uploadData = api.uploadData.retrieve({\n                id: id\n            }), name = uploadData && uploadData.name, uuid = uploadData && uploadData.uuid, scalingOptions = {\n                customResizer: specs.customResizer,\n                sendOriginal: false,\n                orient: specs.orient,\n                defaultType: specs.type || null,\n                defaultQuality: specs.quality,\n                failedToScaleText: \"Unable to scale\",\n                sizes: [ {\n                    name: \"\",\n                    maxSize: specs.maxSize\n                } ]\n            }, scaler = new qq.Scaler(scalingOptions, log);\n            if (!qq.Scaler || !qq.supportedFeatures.imagePreviews || !file) {\n                scalingEffort.failure();\n                log(\"Could not generate requested scaled image for \" + id + \".  \" + \"Scaling is either not possible in this browser, or the file could not be located.\", \"error\");\n            } else {\n                qq.bind(function() {\n                    var record = scaler.getFileRecords(uuid, name, file)[0];\n                    if (record && record.blob instanceof qq.BlobProxy) {\n                        record.blob.create().then(scalingEffort.success, scalingEffort.failure);\n                    } else {\n                        log(id + \" is not a scalable image!\", \"error\");\n                        scalingEffort.failure();\n                    }\n                }, this)();\n            }\n            return scalingEffort;\n        },\n        _determineOutputType: function(spec) {\n            \"use strict\";\n            var requestedType = spec.requestedType, defaultType = spec.defaultType, referenceType = spec.refType;\n            if (!defaultType && !requestedType) {\n                if (referenceType !== \"image/jpeg\") {\n                    return \"image/png\";\n                }\n                return referenceType;\n            }\n            if (!requestedType) {\n                return defaultType;\n            }\n            if (qq.indexOf(Object.keys(qq.Identify.prototype.PREVIEWABLE_MIME_TYPES), requestedType) >= 0) {\n                if (requestedType === \"image/tiff\") {\n                    return qq.supportedFeatures.tiffPreviews ? requestedType : defaultType;\n                }\n                return requestedType;\n            }\n            return defaultType;\n        },\n        _getName: function(originalName, scaledVersionProperties) {\n            \"use strict\";\n            var startOfExt = originalName.lastIndexOf(\".\"), versionType = scaledVersionProperties.type || \"image/png\", referenceType = scaledVersionProperties.refType, scaledName = \"\", scaledExt = qq.getExtension(originalName), nameAppendage = \"\";\n            if (scaledVersionProperties.name && scaledVersionProperties.name.trim().length) {\n                nameAppendage = \" (\" + scaledVersionProperties.name + \")\";\n            }\n            if (startOfExt >= 0) {\n                scaledName = originalName.substr(0, startOfExt);\n                if (referenceType !== versionType) {\n                    scaledExt = versionType.split(\"/\")[1];\n                }\n                scaledName += nameAppendage + \".\" + scaledExt;\n            } else {\n                scaledName = originalName + nameAppendage;\n            }\n            return scaledName;\n        },\n        _getSortedSizes: function(sizes) {\n            \"use strict\";\n            sizes = qq.extend([], sizes);\n            return sizes.sort(function(a, b) {\n                if (a.maxSize > b.maxSize) {\n                    return 1;\n                }\n                if (a.maxSize < b.maxSize) {\n                    return -1;\n                }\n                return 0;\n            });\n        },\n        _generateScaledImage: function(spec, sourceFile) {\n            \"use strict\";\n            var self = this, customResizeFunction = spec.customResizeFunction, log = spec.log, maxSize = spec.maxSize, orient = spec.orient, type = spec.type, quality = spec.quality, failedText = spec.failedText, includeExif = spec.includeExif && sourceFile.type === \"image/jpeg\" && type === \"image/jpeg\", scalingEffort = new qq.Promise(), imageGenerator = new qq.ImageGenerator(log), canvas = document.createElement(\"canvas\");\n            log(\"Attempting to generate scaled version for \" + sourceFile.name);\n            imageGenerator.generate(sourceFile, canvas, {\n                maxSize: maxSize,\n                orient: orient,\n                customResizeFunction: customResizeFunction\n            }).then(function() {\n                var scaledImageDataUri = canvas.toDataURL(type, quality), signalSuccess = function() {\n                    log(\"Success generating scaled version for \" + sourceFile.name);\n                    var blob = qq.dataUriToBlob(scaledImageDataUri);\n                    scalingEffort.success(blob);\n                };\n                if (includeExif) {\n                    self._insertExifHeader(sourceFile, scaledImageDataUri, log).then(function(scaledImageDataUriWithExif) {\n                        scaledImageDataUri = scaledImageDataUriWithExif;\n                        signalSuccess();\n                    }, function() {\n                        log(\"Problem inserting EXIF header into scaled image.  Using scaled image w/out EXIF data.\", \"error\");\n                        signalSuccess();\n                    });\n                } else {\n                    signalSuccess();\n                }\n            }, function() {\n                log(\"Failed attempt to generate scaled version for \" + sourceFile.name, \"error\");\n                scalingEffort.failure(failedText);\n            });\n            return scalingEffort;\n        },\n        _insertExifHeader: function(originalImage, scaledImageDataUri, log) {\n            \"use strict\";\n            var reader = new FileReader(), insertionEffort = new qq.Promise(), originalImageDataUri = \"\";\n            reader.onload = function() {\n                originalImageDataUri = reader.result;\n                insertionEffort.success(qq.ExifRestorer.restore(originalImageDataUri, scaledImageDataUri));\n            };\n            reader.onerror = function() {\n                log(\"Problem reading \" + originalImage.name + \" during attempt to transfer EXIF data to scaled version.\", \"error\");\n                insertionEffort.failure();\n            };\n            reader.readAsDataURL(originalImage);\n            return insertionEffort;\n        },\n        _dataUriToBlob: function(dataUri) {\n            \"use strict\";\n            var byteString, mimeString, arrayBuffer, intArray;\n            if (dataUri.split(\",\")[0].indexOf(\"base64\") >= 0) {\n                byteString = atob(dataUri.split(\",\")[1]);\n            } else {\n                byteString = decodeURI(dataUri.split(\",\")[1]);\n            }\n            mimeString = dataUri.split(\",\")[0].split(\":\")[1].split(\";\")[0];\n            arrayBuffer = new ArrayBuffer(byteString.length);\n            intArray = new Uint8Array(arrayBuffer);\n            qq.each(byteString, function(idx, character) {\n                intArray[idx] = character.charCodeAt(0);\n            });\n            return this._createBlob(arrayBuffer, mimeString);\n        },\n        _createBlob: function(data, mime) {\n            \"use strict\";\n            var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder || window.MSBlobBuilder, blobBuilder = BlobBuilder && new BlobBuilder();\n            if (blobBuilder) {\n                blobBuilder.append(data);\n                return blobBuilder.getBlob(mime);\n            } else {\n                return new Blob([ data ], {\n                    type: mime\n                });\n            }\n        }\n    });\n    qq.ExifRestorer = function() {\n        var ExifRestorer = {};\n        ExifRestorer.KEY_STR = \"ABCDEFGHIJKLMNOP\" + \"QRSTUVWXYZabcdef\" + \"ghijklmnopqrstuv\" + \"wxyz0123456789+/\" + \"=\";\n        ExifRestorer.encode64 = function(input) {\n            var output = \"\", chr1, chr2, chr3 = \"\", enc1, enc2, enc3, enc4 = \"\", i = 0;\n            do {\n                chr1 = input[i++];\n                chr2 = input[i++];\n                chr3 = input[i++];\n                enc1 = chr1 >> 2;\n                enc2 = (chr1 & 3) << 4 | chr2 >> 4;\n                enc3 = (chr2 & 15) << 2 | chr3 >> 6;\n                enc4 = chr3 & 63;\n                if (isNaN(chr2)) {\n                    enc3 = enc4 = 64;\n                } else if (isNaN(chr3)) {\n                    enc4 = 64;\n                }\n                output = output + this.KEY_STR.charAt(enc1) + this.KEY_STR.charAt(enc2) + this.KEY_STR.charAt(enc3) + this.KEY_STR.charAt(enc4);\n                chr1 = chr2 = chr3 = \"\";\n                enc1 = enc2 = enc3 = enc4 = \"\";\n            } while (i < input.length);\n            return output;\n        };\n        ExifRestorer.restore = function(origFileBase64, resizedFileBase64) {\n            var expectedBase64Header = \"data:image/jpeg;base64,\";\n            if (!origFileBase64.match(expectedBase64Header)) {\n                return resizedFileBase64;\n            }\n            var rawImage = this.decode64(origFileBase64.replace(expectedBase64Header, \"\"));\n            var segments = this.slice2Segments(rawImage);\n            var image = this.exifManipulation(resizedFileBase64, segments);\n            return expectedBase64Header + this.encode64(image);\n        };\n        ExifRestorer.exifManipulation = function(resizedFileBase64, segments) {\n            var exifArray = this.getExifArray(segments), newImageArray = this.insertExif(resizedFileBase64, exifArray), aBuffer = new Uint8Array(newImageArray);\n            return aBuffer;\n        };\n        ExifRestorer.getExifArray = function(segments) {\n            var seg;\n            for (var x = 0; x < segments.length; x++) {\n                seg = segments[x];\n                if (seg[0] == 255 & seg[1] == 225) {\n                    return seg;\n                }\n            }\n            return [];\n        };\n        ExifRestorer.insertExif = function(resizedFileBase64, exifArray) {\n            var imageData = resizedFileBase64.replace(\"data:image/jpeg;base64,\", \"\"), buf = this.decode64(imageData), separatePoint = buf.indexOf(255, 3), mae = buf.slice(0, separatePoint), ato = buf.slice(separatePoint), array = mae;\n            array = array.concat(exifArray);\n            array = array.concat(ato);\n            return array;\n        };\n        ExifRestorer.slice2Segments = function(rawImageArray) {\n            var head = 0, segments = [];\n            while (1) {\n                if (rawImageArray[head] == 255 & rawImageArray[head + 1] == 218) {\n                    break;\n                }\n                if (rawImageArray[head] == 255 & rawImageArray[head + 1] == 216) {\n                    head += 2;\n                } else {\n                    var length = rawImageArray[head + 2] * 256 + rawImageArray[head + 3], endPoint = head + length + 2, seg = rawImageArray.slice(head, endPoint);\n                    segments.push(seg);\n                    head = endPoint;\n                }\n                if (head > rawImageArray.length) {\n                    break;\n                }\n            }\n            return segments;\n        };\n        ExifRestorer.decode64 = function(input) {\n            var output = \"\", chr1, chr2, chr3 = \"\", enc1, enc2, enc3, enc4 = \"\", i = 0, buf = [];\n            var base64test = /[^A-Za-z0-9\\+\\/\\=]/g;\n            if (base64test.exec(input)) {\n                throw new Error(\"There were invalid base64 characters in the input text.  \" + \"Valid base64 characters are A-Z, a-z, 0-9, '+', '/',and '='\");\n            }\n            input = input.replace(/[^A-Za-z0-9\\+\\/\\=]/g, \"\");\n            do {\n                enc1 = this.KEY_STR.indexOf(input.charAt(i++));\n                enc2 = this.KEY_STR.indexOf(input.charAt(i++));\n                enc3 = this.KEY_STR.indexOf(input.charAt(i++));\n                enc4 = this.KEY_STR.indexOf(input.charAt(i++));\n                chr1 = enc1 << 2 | enc2 >> 4;\n                chr2 = (enc2 & 15) << 4 | enc3 >> 2;\n                chr3 = (enc3 & 3) << 6 | enc4;\n                buf.push(chr1);\n                if (enc3 != 64) {\n                    buf.push(chr2);\n                }\n                if (enc4 != 64) {\n                    buf.push(chr3);\n                }\n                chr1 = chr2 = chr3 = \"\";\n                enc1 = enc2 = enc3 = enc4 = \"\";\n            } while (i < input.length);\n            return buf;\n        };\n        return ExifRestorer;\n    }();\n    qq.TotalProgress = function(callback, getSize) {\n        \"use strict\";\n        var perFileProgress = {}, totalLoaded = 0, totalSize = 0, lastLoadedSent = -1, lastTotalSent = -1, callbackProxy = function(loaded, total) {\n            if (loaded !== lastLoadedSent || total !== lastTotalSent) {\n                callback(loaded, total);\n            }\n            lastLoadedSent = loaded;\n            lastTotalSent = total;\n        }, noRetryableFiles = function(failed, retryable) {\n            var none = true;\n            qq.each(failed, function(idx, failedId) {\n                if (qq.indexOf(retryable, failedId) >= 0) {\n                    none = false;\n                    return false;\n                }\n            });\n            return none;\n        }, onCancel = function(id) {\n            updateTotalProgress(id, -1, -1);\n            delete perFileProgress[id];\n        }, onAllComplete = function(successful, failed, retryable) {\n            if (failed.length === 0 || noRetryableFiles(failed, retryable)) {\n                callbackProxy(totalSize, totalSize);\n                this.reset();\n            }\n        }, onNew = function(id) {\n            var size = getSize(id);\n            if (size > 0) {\n                updateTotalProgress(id, 0, size);\n                perFileProgress[id] = {\n                    loaded: 0,\n                    total: size\n                };\n            }\n        }, updateTotalProgress = function(id, newLoaded, newTotal) {\n            var oldLoaded = perFileProgress[id] ? perFileProgress[id].loaded : 0, oldTotal = perFileProgress[id] ? perFileProgress[id].total : 0;\n            if (newLoaded === -1 && newTotal === -1) {\n                totalLoaded -= oldLoaded;\n                totalSize -= oldTotal;\n            } else {\n                if (newLoaded) {\n                    totalLoaded += newLoaded - oldLoaded;\n                }\n                if (newTotal) {\n                    totalSize += newTotal - oldTotal;\n                }\n            }\n            callbackProxy(totalLoaded, totalSize);\n        };\n        qq.extend(this, {\n            onAllComplete: onAllComplete,\n            onStatusChange: function(id, oldStatus, newStatus) {\n                if (newStatus === qq.status.CANCELED || newStatus === qq.status.REJECTED) {\n                    onCancel(id);\n                } else if (newStatus === qq.status.SUBMITTING) {\n                    onNew(id);\n                }\n            },\n            onIndividualProgress: function(id, loaded, total) {\n                updateTotalProgress(id, loaded, total);\n                perFileProgress[id] = {\n                    loaded: loaded,\n                    total: total\n                };\n            },\n            onNewSize: function(id) {\n                onNew(id);\n            },\n            reset: function() {\n                perFileProgress = {};\n                totalLoaded = 0;\n                totalSize = 0;\n            }\n        });\n    };\n    qq.PasteSupport = function(o) {\n        \"use strict\";\n        var options, detachPasteHandler;\n        options = {\n            targetElement: null,\n            callbacks: {\n                log: function(message, level) {},\n                pasteReceived: function(blob) {}\n            }\n        };\n        function isImage(item) {\n            return item.type && item.type.indexOf(\"image/\") === 0;\n        }\n        function registerPasteHandler() {\n            detachPasteHandler = qq(options.targetElement).attach(\"paste\", function(event) {\n                var clipboardData = event.clipboardData;\n                if (clipboardData) {\n                    qq.each(clipboardData.items, function(idx, item) {\n                        if (isImage(item)) {\n                            var blob = item.getAsFile();\n                            options.callbacks.pasteReceived(blob);\n                        }\n                    });\n                }\n            });\n        }\n        function unregisterPasteHandler() {\n            if (detachPasteHandler) {\n                detachPasteHandler();\n            }\n        }\n        qq.extend(options, o);\n        registerPasteHandler();\n        qq.extend(this, {\n            reset: function() {\n                unregisterPasteHandler();\n            }\n        });\n    };\n    qq.FormSupport = function(options, startUpload, log) {\n        \"use strict\";\n        var self = this, interceptSubmit = options.interceptSubmit, formEl = options.element, autoUpload = options.autoUpload;\n        qq.extend(this, {\n            newEndpoint: null,\n            newAutoUpload: autoUpload,\n            attachedToForm: false,\n            getFormInputsAsObject: function() {\n                if (formEl == null) {\n                    return null;\n                }\n                return self._form2Obj(formEl);\n            }\n        });\n        function determineNewEndpoint(formEl) {\n            if (formEl.getAttribute(\"action\")) {\n                self.newEndpoint = formEl.getAttribute(\"action\");\n            }\n        }\n        function validateForm(formEl, nativeSubmit) {\n            if (formEl.checkValidity && !formEl.checkValidity()) {\n                log(\"Form did not pass validation checks - will not upload.\", \"error\");\n                nativeSubmit();\n            } else {\n                return true;\n            }\n        }\n        function maybeUploadOnSubmit(formEl) {\n            var nativeSubmit = formEl.submit;\n            qq(formEl).attach(\"submit\", function(event) {\n                event = event || window.event;\n                if (event.preventDefault) {\n                    event.preventDefault();\n                } else {\n                    event.returnValue = false;\n                }\n                validateForm(formEl, nativeSubmit) && startUpload();\n            });\n            formEl.submit = function() {\n                validateForm(formEl, nativeSubmit) && startUpload();\n            };\n        }\n        function determineFormEl(formEl) {\n            if (formEl) {\n                if (qq.isString(formEl)) {\n                    formEl = document.getElementById(formEl);\n                }\n                if (formEl) {\n                    log(\"Attaching to form element.\");\n                    determineNewEndpoint(formEl);\n                    interceptSubmit && maybeUploadOnSubmit(formEl);\n                }\n            }\n            return formEl;\n        }\n        formEl = determineFormEl(formEl);\n        this.attachedToForm = !!formEl;\n    };\n    qq.extend(qq.FormSupport.prototype, {\n        _form2Obj: function(form) {\n            \"use strict\";\n            var obj = {}, notIrrelevantType = function(type) {\n                var irrelevantTypes = [ \"button\", \"image\", \"reset\", \"submit\" ];\n                return qq.indexOf(irrelevantTypes, type.toLowerCase()) < 0;\n            }, radioOrCheckbox = function(type) {\n                return qq.indexOf([ \"checkbox\", \"radio\" ], type.toLowerCase()) >= 0;\n            }, ignoreValue = function(el) {\n                if (radioOrCheckbox(el.type) && !el.checked) {\n                    return true;\n                }\n                return el.disabled && el.type.toLowerCase() !== \"hidden\";\n            }, selectValue = function(select) {\n                var value = null;\n                qq.each(qq(select).children(), function(idx, child) {\n                    if (child.tagName.toLowerCase() === \"option\" && child.selected) {\n                        value = child.value;\n                        return false;\n                    }\n                });\n                return value;\n            };\n            qq.each(form.elements, function(idx, el) {\n                if ((qq.isInput(el, true) || el.tagName.toLowerCase() === \"textarea\") && notIrrelevantType(el.type) && !ignoreValue(el)) {\n                    obj[el.name] = el.value;\n                } else if (el.tagName.toLowerCase() === \"select\" && !ignoreValue(el)) {\n                    var value = selectValue(el);\n                    if (value !== null) {\n                        obj[el.name] = value;\n                    }\n                }\n            });\n            return obj;\n        }\n    });\n    qq.CryptoJS = function(Math, undefined) {\n        var C = {};\n        var C_lib = C.lib = {};\n        var Base = C_lib.Base = function() {\n            function F() {}\n            return {\n                extend: function(overrides) {\n                    F.prototype = this;\n                    var subtype = new F();\n                    if (overrides) {\n                        subtype.mixIn(overrides);\n                    }\n                    if (!subtype.hasOwnProperty(\"init\")) {\n                        subtype.init = function() {\n                            subtype.$super.init.apply(this, arguments);\n                        };\n                    }\n                    subtype.init.prototype = subtype;\n                    subtype.$super = this;\n                    return subtype;\n                },\n                create: function() {\n                    var instance = this.extend();\n                    instance.init.apply(instance, arguments);\n                    return instance;\n                },\n                init: function() {},\n                mixIn: function(properties) {\n                    for (var propertyName in properties) {\n                        if (properties.hasOwnProperty(propertyName)) {\n                            this[propertyName] = properties[propertyName];\n                        }\n                    }\n                    if (properties.hasOwnProperty(\"toString\")) {\n                        this.toString = properties.toString;\n                    }\n                },\n                clone: function() {\n                    return this.init.prototype.extend(this);\n                }\n            };\n        }();\n        var WordArray = C_lib.WordArray = Base.extend({\n            init: function(words, sigBytes) {\n                words = this.words = words || [];\n                if (sigBytes != undefined) {\n                    this.sigBytes = sigBytes;\n                } else {\n                    this.sigBytes = words.length * 4;\n                }\n            },\n            toString: function(encoder) {\n                return (encoder || Hex).stringify(this);\n            },\n            concat: function(wordArray) {\n                var thisWords = this.words;\n                var thatWords = wordArray.words;\n                var thisSigBytes = this.sigBytes;\n                var thatSigBytes = wordArray.sigBytes;\n                this.clamp();\n                if (thisSigBytes % 4) {\n                    for (var i = 0; i < thatSigBytes; i++) {\n                        var thatByte = thatWords[i >>> 2] >>> 24 - i % 4 * 8 & 255;\n                        thisWords[thisSigBytes + i >>> 2] |= thatByte << 24 - (thisSigBytes + i) % 4 * 8;\n                    }\n                } else if (thatWords.length > 65535) {\n                    for (var i = 0; i < thatSigBytes; i += 4) {\n                        thisWords[thisSigBytes + i >>> 2] = thatWords[i >>> 2];\n                    }\n                } else {\n                    thisWords.push.apply(thisWords, thatWords);\n                }\n                this.sigBytes += thatSigBytes;\n                return this;\n            },\n            clamp: function() {\n                var words = this.words;\n                var sigBytes = this.sigBytes;\n                words[sigBytes >>> 2] &= 4294967295 << 32 - sigBytes % 4 * 8;\n                words.length = Math.ceil(sigBytes / 4);\n            },\n            clone: function() {\n                var clone = Base.clone.call(this);\n                clone.words = this.words.slice(0);\n                return clone;\n            },\n            random: function(nBytes) {\n                var words = [];\n                for (var i = 0; i < nBytes; i += 4) {\n                    words.push(Math.random() * 4294967296 | 0);\n                }\n                return new WordArray.init(words, nBytes);\n            }\n        });\n        var C_enc = C.enc = {};\n        var Hex = C_enc.Hex = {\n            stringify: function(wordArray) {\n                var words = wordArray.words;\n                var sigBytes = wordArray.sigBytes;\n                var hexChars = [];\n                for (var i = 0; i < sigBytes; i++) {\n                    var bite = words[i >>> 2] >>> 24 - i % 4 * 8 & 255;\n                    hexChars.push((bite >>> 4).toString(16));\n                    hexChars.push((bite & 15).toString(16));\n                }\n                return hexChars.join(\"\");\n            },\n            parse: function(hexStr) {\n                var hexStrLength = hexStr.length;\n                var words = [];\n                for (var i = 0; i < hexStrLength; i += 2) {\n                    words[i >>> 3] |= parseInt(hexStr.substr(i, 2), 16) << 24 - i % 8 * 4;\n                }\n                return new WordArray.init(words, hexStrLength / 2);\n            }\n        };\n        var Latin1 = C_enc.Latin1 = {\n            stringify: function(wordArray) {\n                var words = wordArray.words;\n                var sigBytes = wordArray.sigBytes;\n                var latin1Chars = [];\n                for (var i = 0; i < sigBytes; i++) {\n                    var bite = words[i >>> 2] >>> 24 - i % 4 * 8 & 255;\n                    latin1Chars.push(String.fromCharCode(bite));\n                }\n                return latin1Chars.join(\"\");\n            },\n            parse: function(latin1Str) {\n                var latin1StrLength = latin1Str.length;\n                var words = [];\n                for (var i = 0; i < latin1StrLength; i++) {\n                    words[i >>> 2] |= (latin1Str.charCodeAt(i) & 255) << 24 - i % 4 * 8;\n                }\n                return new WordArray.init(words, latin1StrLength);\n            }\n        };\n        var Utf8 = C_enc.Utf8 = {\n            stringify: function(wordArray) {\n                try {\n                    return decodeURIComponent(escape(Latin1.stringify(wordArray)));\n                } catch (e) {\n                    throw new Error(\"Malformed UTF-8 data\");\n                }\n            },\n            parse: function(utf8Str) {\n                return Latin1.parse(unescape(encodeURIComponent(utf8Str)));\n            }\n        };\n        var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm = Base.extend({\n            reset: function() {\n                this._data = new WordArray.init();\n                this._nDataBytes = 0;\n            },\n            _append: function(data) {\n                if (typeof data == \"string\") {\n                    data = Utf8.parse(data);\n                }\n                this._data.concat(data);\n                this._nDataBytes += data.sigBytes;\n            },\n            _process: function(doFlush) {\n                var data = this._data;\n                var dataWords = data.words;\n                var dataSigBytes = data.sigBytes;\n                var blockSize = this.blockSize;\n                var blockSizeBytes = blockSize * 4;\n                var nBlocksReady = dataSigBytes / blockSizeBytes;\n                if (doFlush) {\n                    nBlocksReady = Math.ceil(nBlocksReady);\n                } else {\n                    nBlocksReady = Math.max((nBlocksReady | 0) - this._minBufferSize, 0);\n                }\n                var nWordsReady = nBlocksReady * blockSize;\n                var nBytesReady = Math.min(nWordsReady * 4, dataSigBytes);\n                if (nWordsReady) {\n                    for (var offset = 0; offset < nWordsReady; offset += blockSize) {\n                        this._doProcessBlock(dataWords, offset);\n                    }\n                    var processedWords = dataWords.splice(0, nWordsReady);\n                    data.sigBytes -= nBytesReady;\n                }\n                return new WordArray.init(processedWords, nBytesReady);\n            },\n            clone: function() {\n                var clone = Base.clone.call(this);\n                clone._data = this._data.clone();\n                return clone;\n            },\n            _minBufferSize: 0\n        });\n        var Hasher = C_lib.Hasher = BufferedBlockAlgorithm.extend({\n            cfg: Base.extend(),\n            init: function(cfg) {\n                this.cfg = this.cfg.extend(cfg);\n                this.reset();\n            },\n            reset: function() {\n                BufferedBlockAlgorithm.reset.call(this);\n                this._doReset();\n            },\n            update: function(messageUpdate) {\n                this._append(messageUpdate);\n                this._process();\n                return this;\n            },\n            finalize: function(messageUpdate) {\n                if (messageUpdate) {\n                    this._append(messageUpdate);\n                }\n                var hash = this._doFinalize();\n                return hash;\n            },\n            blockSize: 512 / 32,\n            _createHelper: function(hasher) {\n                return function(message, cfg) {\n                    return new hasher.init(cfg).finalize(message);\n                };\n            },\n            _createHmacHelper: function(hasher) {\n                return function(message, key) {\n                    return new C_algo.HMAC.init(hasher, key).finalize(message);\n                };\n            }\n        });\n        var C_algo = C.algo = {};\n        return C;\n    }(Math);\n    (function() {\n        var C = qq.CryptoJS;\n        var C_lib = C.lib;\n        var WordArray = C_lib.WordArray;\n        var C_enc = C.enc;\n        var Base64 = C_enc.Base64 = {\n            stringify: function(wordArray) {\n                var words = wordArray.words;\n                var sigBytes = wordArray.sigBytes;\n                var map = this._map;\n                wordArray.clamp();\n                var base64Chars = [];\n                for (var i = 0; i < sigBytes; i += 3) {\n                    var byte1 = words[i >>> 2] >>> 24 - i % 4 * 8 & 255;\n                    var byte2 = words[i + 1 >>> 2] >>> 24 - (i + 1) % 4 * 8 & 255;\n                    var byte3 = words[i + 2 >>> 2] >>> 24 - (i + 2) % 4 * 8 & 255;\n                    var triplet = byte1 << 16 | byte2 << 8 | byte3;\n                    for (var j = 0; j < 4 && i + j * .75 < sigBytes; j++) {\n                        base64Chars.push(map.charAt(triplet >>> 6 * (3 - j) & 63));\n                    }\n                }\n                var paddingChar = map.charAt(64);\n                if (paddingChar) {\n                    while (base64Chars.length % 4) {\n                        base64Chars.push(paddingChar);\n                    }\n                }\n                return base64Chars.join(\"\");\n            },\n            parse: function(base64Str) {\n                var base64StrLength = base64Str.length;\n                var map = this._map;\n                var paddingChar = map.charAt(64);\n                if (paddingChar) {\n                    var paddingIndex = base64Str.indexOf(paddingChar);\n                    if (paddingIndex != -1) {\n                        base64StrLength = paddingIndex;\n                    }\n                }\n                var words = [];\n                var nBytes = 0;\n                for (var i = 0; i < base64StrLength; i++) {\n                    if (i % 4) {\n                        var bits1 = map.indexOf(base64Str.charAt(i - 1)) << i % 4 * 2;\n                        var bits2 = map.indexOf(base64Str.charAt(i)) >>> 6 - i % 4 * 2;\n                        words[nBytes >>> 2] |= (bits1 | bits2) << 24 - nBytes % 4 * 8;\n                        nBytes++;\n                    }\n                }\n                return WordArray.create(words, nBytes);\n            },\n            _map: \"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\"\n        };\n    })();\n    (function() {\n        var C = qq.CryptoJS;\n        var C_lib = C.lib;\n        var Base = C_lib.Base;\n        var C_enc = C.enc;\n        var Utf8 = C_enc.Utf8;\n        var C_algo = C.algo;\n        var HMAC = C_algo.HMAC = Base.extend({\n            init: function(hasher, key) {\n                hasher = this._hasher = new hasher.init();\n                if (typeof key == \"string\") {\n                    key = Utf8.parse(key);\n                }\n                var hasherBlockSize = hasher.blockSize;\n                var hasherBlockSizeBytes = hasherBlockSize * 4;\n                if (key.sigBytes > hasherBlockSizeBytes) {\n                    key = hasher.finalize(key);\n                }\n                key.clamp();\n                var oKey = this._oKey = key.clone();\n                var iKey = this._iKey = key.clone();\n                var oKeyWords = oKey.words;\n                var iKeyWords = iKey.words;\n                for (var i = 0; i < hasherBlockSize; i++) {\n                    oKeyWords[i] ^= 1549556828;\n                    iKeyWords[i] ^= 909522486;\n                }\n                oKey.sigBytes = iKey.sigBytes = hasherBlockSizeBytes;\n                this.reset();\n            },\n            reset: function() {\n                var hasher = this._hasher;\n                hasher.reset();\n                hasher.update(this._iKey);\n            },\n            update: function(messageUpdate) {\n                this._hasher.update(messageUpdate);\n                return this;\n            },\n            finalize: function(messageUpdate) {\n                var hasher = this._hasher;\n                var innerHash = hasher.finalize(messageUpdate);\n                hasher.reset();\n                var hmac = hasher.finalize(this._oKey.clone().concat(innerHash));\n                return hmac;\n            }\n        });\n    })();\n    (function() {\n        var C = qq.CryptoJS;\n        var C_lib = C.lib;\n        var WordArray = C_lib.WordArray;\n        var Hasher = C_lib.Hasher;\n        var C_algo = C.algo;\n        var W = [];\n        var SHA1 = C_algo.SHA1 = Hasher.extend({\n            _doReset: function() {\n                this._hash = new WordArray.init([ 1732584193, 4023233417, 2562383102, 271733878, 3285377520 ]);\n            },\n            _doProcessBlock: function(M, offset) {\n                var H = this._hash.words;\n                var a = H[0];\n                var b = H[1];\n                var c = H[2];\n                var d = H[3];\n                var e = H[4];\n                for (var i = 0; i < 80; i++) {\n                    if (i < 16) {\n                        W[i] = M[offset + i] | 0;\n                    } else {\n                        var n = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16];\n                        W[i] = n << 1 | n >>> 31;\n                    }\n                    var t = (a << 5 | a >>> 27) + e + W[i];\n                    if (i < 20) {\n                        t += (b & c | ~b & d) + 1518500249;\n                    } else if (i < 40) {\n                        t += (b ^ c ^ d) + 1859775393;\n                    } else if (i < 60) {\n                        t += (b & c | b & d | c & d) - 1894007588;\n                    } else {\n                        t += (b ^ c ^ d) - 899497514;\n                    }\n                    e = d;\n                    d = c;\n                    c = b << 30 | b >>> 2;\n                    b = a;\n                    a = t;\n                }\n                H[0] = H[0] + a | 0;\n                H[1] = H[1] + b | 0;\n                H[2] = H[2] + c | 0;\n                H[3] = H[3] + d | 0;\n                H[4] = H[4] + e | 0;\n            },\n            _doFinalize: function() {\n                var data = this._data;\n                var dataWords = data.words;\n                var nBitsTotal = this._nDataBytes * 8;\n                var nBitsLeft = data.sigBytes * 8;\n                dataWords[nBitsLeft >>> 5] |= 128 << 24 - nBitsLeft % 32;\n                dataWords[(nBitsLeft + 64 >>> 9 << 4) + 14] = Math.floor(nBitsTotal / 4294967296);\n                dataWords[(nBitsLeft + 64 >>> 9 << 4) + 15] = nBitsTotal;\n                data.sigBytes = dataWords.length * 4;\n                this._process();\n                return this._hash;\n            },\n            clone: function() {\n                var clone = Hasher.clone.call(this);\n                clone._hash = this._hash.clone();\n                return clone;\n            }\n        });\n        C.SHA1 = Hasher._createHelper(SHA1);\n        C.HmacSHA1 = Hasher._createHmacHelper(SHA1);\n    })();\n    (function(Math) {\n        var C = qq.CryptoJS;\n        var C_lib = C.lib;\n        var WordArray = C_lib.WordArray;\n        var Hasher = C_lib.Hasher;\n        var C_algo = C.algo;\n        var H = [];\n        var K = [];\n        (function() {\n            function isPrime(n) {\n                var sqrtN = Math.sqrt(n);\n                for (var factor = 2; factor <= sqrtN; factor++) {\n                    if (!(n % factor)) {\n                        return false;\n                    }\n                }\n                return true;\n            }\n            function getFractionalBits(n) {\n                return (n - (n | 0)) * 4294967296 | 0;\n            }\n            var n = 2;\n            var nPrime = 0;\n            while (nPrime < 64) {\n                if (isPrime(n)) {\n                    if (nPrime < 8) {\n                        H[nPrime] = getFractionalBits(Math.pow(n, 1 / 2));\n                    }\n                    K[nPrime] = getFractionalBits(Math.pow(n, 1 / 3));\n                    nPrime++;\n                }\n                n++;\n            }\n        })();\n        var W = [];\n        var SHA256 = C_algo.SHA256 = Hasher.extend({\n            _doReset: function() {\n                this._hash = new WordArray.init(H.slice(0));\n            },\n            _doProcessBlock: function(M, offset) {\n                var H = this._hash.words;\n                var a = H[0];\n                var b = H[1];\n                var c = H[2];\n                var d = H[3];\n                var e = H[4];\n                var f = H[5];\n                var g = H[6];\n                var h = H[7];\n                for (var i = 0; i < 64; i++) {\n                    if (i < 16) {\n                        W[i] = M[offset + i] | 0;\n                    } else {\n                        var gamma0x = W[i - 15];\n                        var gamma0 = (gamma0x << 25 | gamma0x >>> 7) ^ (gamma0x << 14 | gamma0x >>> 18) ^ gamma0x >>> 3;\n                        var gamma1x = W[i - 2];\n                        var gamma1 = (gamma1x << 15 | gamma1x >>> 17) ^ (gamma1x << 13 | gamma1x >>> 19) ^ gamma1x >>> 10;\n                        W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16];\n                    }\n                    var ch = e & f ^ ~e & g;\n                    var maj = a & b ^ a & c ^ b & c;\n                    var sigma0 = (a << 30 | a >>> 2) ^ (a << 19 | a >>> 13) ^ (a << 10 | a >>> 22);\n                    var sigma1 = (e << 26 | e >>> 6) ^ (e << 21 | e >>> 11) ^ (e << 7 | e >>> 25);\n                    var t1 = h + sigma1 + ch + K[i] + W[i];\n                    var t2 = sigma0 + maj;\n                    h = g;\n                    g = f;\n                    f = e;\n                    e = d + t1 | 0;\n                    d = c;\n                    c = b;\n                    b = a;\n                    a = t1 + t2 | 0;\n                }\n                H[0] = H[0] + a | 0;\n                H[1] = H[1] + b | 0;\n                H[2] = H[2] + c | 0;\n                H[3] = H[3] + d | 0;\n                H[4] = H[4] + e | 0;\n                H[5] = H[5] + f | 0;\n                H[6] = H[6] + g | 0;\n                H[7] = H[7] + h | 0;\n            },\n            _doFinalize: function() {\n                var data = this._data;\n                var dataWords = data.words;\n                var nBitsTotal = this._nDataBytes * 8;\n                var nBitsLeft = data.sigBytes * 8;\n                dataWords[nBitsLeft >>> 5] |= 128 << 24 - nBitsLeft % 32;\n                dataWords[(nBitsLeft + 64 >>> 9 << 4) + 14] = Math.floor(nBitsTotal / 4294967296);\n                dataWords[(nBitsLeft + 64 >>> 9 << 4) + 15] = nBitsTotal;\n                data.sigBytes = dataWords.length * 4;\n                this._process();\n                return this._hash;\n            },\n            clone: function() {\n                var clone = Hasher.clone.call(this);\n                clone._hash = this._hash.clone();\n                return clone;\n            }\n        });\n        C.SHA256 = Hasher._createHelper(SHA256);\n        C.HmacSHA256 = Hasher._createHmacHelper(SHA256);\n    })(Math);\n    (function() {\n        if (typeof ArrayBuffer != \"function\") {\n            return;\n        }\n        var C = qq.CryptoJS;\n        var C_lib = C.lib;\n        var WordArray = C_lib.WordArray;\n        var superInit = WordArray.init;\n        var subInit = WordArray.init = function(typedArray) {\n            if (typedArray instanceof ArrayBuffer) {\n                typedArray = new Uint8Array(typedArray);\n            }\n            if (typedArray instanceof Int8Array || typedArray instanceof Uint8ClampedArray || typedArray instanceof Int16Array || typedArray instanceof Uint16Array || typedArray instanceof Int32Array || typedArray instanceof Uint32Array || typedArray instanceof Float32Array || typedArray instanceof Float64Array) {\n                typedArray = new Uint8Array(typedArray.buffer, typedArray.byteOffset, typedArray.byteLength);\n            }\n            if (typedArray instanceof Uint8Array) {\n                var typedArrayByteLength = typedArray.byteLength;\n                var words = [];\n                for (var i = 0; i < typedArrayByteLength; i++) {\n                    words[i >>> 2] |= typedArray[i] << 24 - i % 4 * 8;\n                }\n                superInit.call(this, words, typedArrayByteLength);\n            } else {\n                superInit.apply(this, arguments);\n            }\n        };\n        subInit.prototype = WordArray;\n    })();\n    qq.s3 = qq.s3 || {};\n    qq.s3.util = qq.s3.util || function() {\n        \"use strict\";\n        return {\n            ALGORITHM_PARAM_NAME: \"x-amz-algorithm\",\n            AWS_PARAM_PREFIX: \"x-amz-meta-\",\n            CREDENTIAL_PARAM_NAME: \"x-amz-credential\",\n            DATE_PARAM_NAME: \"x-amz-date\",\n            REDUCED_REDUNDANCY_PARAM_NAME: \"x-amz-storage-class\",\n            REDUCED_REDUNDANCY_PARAM_VALUE: \"REDUCED_REDUNDANCY\",\n            SERVER_SIDE_ENCRYPTION_PARAM_NAME: \"x-amz-server-side-encryption\",\n            SERVER_SIDE_ENCRYPTION_PARAM_VALUE: \"AES256\",\n            SESSION_TOKEN_PARAM_NAME: \"x-amz-security-token\",\n            V4_ALGORITHM_PARAM_VALUE: \"AWS4-HMAC-SHA256\",\n            V4_SIGNATURE_PARAM_NAME: \"x-amz-signature\",\n            CASE_SENSITIVE_PARAM_NAMES: [ \"Cache-Control\", \"Content-Disposition\", \"Content-Encoding\", \"Content-MD5\" ],\n            UNSIGNABLE_REST_HEADER_NAMES: [ \"Cache-Control\", \"Content-Disposition\", \"Content-Encoding\", \"Content-MD5\" ],\n            UNPREFIXED_PARAM_NAMES: [ \"Cache-Control\", \"Content-Disposition\", \"Content-Encoding\", \"Content-MD5\", \"x-amz-server-side-encryption\", \"x-amz-server-side-encryption-aws-kms-key-id\", \"x-amz-server-side-encryption-customer-algorithm\", \"x-amz-server-side-encryption-customer-key\", \"x-amz-server-side-encryption-customer-key-MD5\" ],\n            getBucket: function(endpoint) {\n                var patterns = [ /^(?:https?:\\/\\/)?([a-z0-9.\\-_]+)\\.s3(?:-[a-z0-9\\-]+)?\\.amazonaws\\.com/i, /^(?:https?:\\/\\/)?s3(?:-[a-z0-9\\-]+)?\\.amazonaws\\.com\\/([a-z0-9.\\-_]+)/i, /^(?:https?:\\/\\/)?([a-z0-9.\\-_]+)/i ], bucket;\n                qq.each(patterns, function(idx, pattern) {\n                    var match = pattern.exec(endpoint);\n                    if (match) {\n                        bucket = match[1];\n                        return false;\n                    }\n                });\n                return bucket;\n            },\n            _getPrefixedParamName: function(name) {\n                if (qq.indexOf(qq.s3.util.UNPREFIXED_PARAM_NAMES, name) >= 0) {\n                    return name;\n                }\n                return qq.s3.util.AWS_PARAM_PREFIX + name;\n            },\n            getPolicy: function(spec) {\n                var policy = {}, conditions = [], bucket = spec.bucket, date = spec.date, drift = spec.clockDrift, key = spec.key, accessKey = spec.accessKey, acl = spec.acl, type = spec.type, expectedStatus = spec.expectedStatus, sessionToken = spec.sessionToken, params = spec.params, successRedirectUrl = qq.s3.util.getSuccessRedirectAbsoluteUrl(spec.successRedirectUrl), minFileSize = spec.minFileSize, maxFileSize = spec.maxFileSize, reducedRedundancy = spec.reducedRedundancy, region = spec.region, serverSideEncryption = spec.serverSideEncryption, signatureVersion = spec.signatureVersion;\n                policy.expiration = qq.s3.util.getPolicyExpirationDate(date, drift);\n                conditions.push({\n                    acl: acl\n                });\n                conditions.push({\n                    bucket: bucket\n                });\n                if (type) {\n                    conditions.push({\n                        \"Content-Type\": type\n                    });\n                }\n                if (expectedStatus) {\n                    conditions.push({\n                        success_action_status: expectedStatus.toString()\n                    });\n                }\n                if (successRedirectUrl) {\n                    conditions.push({\n                        success_action_redirect: successRedirectUrl\n                    });\n                }\n                if (reducedRedundancy) {\n                    conditions.push({});\n                    conditions[conditions.length - 1][qq.s3.util.REDUCED_REDUNDANCY_PARAM_NAME] = qq.s3.util.REDUCED_REDUNDANCY_PARAM_VALUE;\n                }\n                if (sessionToken) {\n                    conditions.push({});\n                    conditions[conditions.length - 1][qq.s3.util.SESSION_TOKEN_PARAM_NAME] = sessionToken;\n                }\n                if (serverSideEncryption) {\n                    conditions.push({});\n                    conditions[conditions.length - 1][qq.s3.util.SERVER_SIDE_ENCRYPTION_PARAM_NAME] = qq.s3.util.SERVER_SIDE_ENCRYPTION_PARAM_VALUE;\n                }\n                if (signatureVersion === 2) {\n                    conditions.push({\n                        key: key\n                    });\n                } else if (signatureVersion === 4) {\n                    conditions.push({});\n                    conditions[conditions.length - 1][qq.s3.util.ALGORITHM_PARAM_NAME] = qq.s3.util.V4_ALGORITHM_PARAM_VALUE;\n                    conditions.push({});\n                    conditions[conditions.length - 1].key = key;\n                    conditions.push({});\n                    conditions[conditions.length - 1][qq.s3.util.CREDENTIAL_PARAM_NAME] = qq.s3.util.getV4CredentialsString({\n                        date: date,\n                        key: accessKey,\n                        region: region\n                    });\n                    conditions.push({});\n                    conditions[conditions.length - 1][qq.s3.util.DATE_PARAM_NAME] = qq.s3.util.getV4PolicyDate(date, drift);\n                }\n                qq.each(params, function(name, val) {\n                    var awsParamName = qq.s3.util._getPrefixedParamName(name), param = {};\n                    if (qq.indexOf(qq.s3.util.UNPREFIXED_PARAM_NAMES, awsParamName) >= 0) {\n                        param[awsParamName] = val;\n                    } else {\n                        param[awsParamName] = encodeURIComponent(val);\n                    }\n                    conditions.push(param);\n                });\n                policy.conditions = conditions;\n                qq.s3.util.enforceSizeLimits(policy, minFileSize, maxFileSize);\n                return policy;\n            },\n            refreshPolicyCredentials: function(policy, newSessionToken) {\n                var sessionTokenFound = false;\n                qq.each(policy.conditions, function(oldCondIdx, oldCondObj) {\n                    qq.each(oldCondObj, function(oldCondName, oldCondVal) {\n                        if (oldCondName === qq.s3.util.SESSION_TOKEN_PARAM_NAME) {\n                            oldCondObj[oldCondName] = newSessionToken;\n                            sessionTokenFound = true;\n                        }\n                    });\n                });\n                if (!sessionTokenFound) {\n                    policy.conditions.push({});\n                    policy.conditions[policy.conditions.length - 1][qq.s3.util.SESSION_TOKEN_PARAM_NAME] = newSessionToken;\n                }\n            },\n            generateAwsParams: function(spec, signPolicyCallback) {\n                var awsParams = {}, customParams = spec.params, promise = new qq.Promise(), sessionToken = spec.sessionToken, drift = spec.clockDrift, type = spec.type, key = spec.key, accessKey = spec.accessKey, acl = spec.acl, expectedStatus = spec.expectedStatus, successRedirectUrl = qq.s3.util.getSuccessRedirectAbsoluteUrl(spec.successRedirectUrl), reducedRedundancy = spec.reducedRedundancy, region = spec.region, serverSideEncryption = spec.serverSideEncryption, signatureVersion = spec.signatureVersion, now = new Date(), log = spec.log, policyJson;\n                spec.date = now;\n                policyJson = qq.s3.util.getPolicy(spec);\n                awsParams.key = key;\n                if (type) {\n                    awsParams[\"Content-Type\"] = type;\n                }\n                if (expectedStatus) {\n                    awsParams.success_action_status = expectedStatus;\n                }\n                if (successRedirectUrl) {\n                    awsParams.success_action_redirect = successRedirectUrl;\n                }\n                if (reducedRedundancy) {\n                    awsParams[qq.s3.util.REDUCED_REDUNDANCY_PARAM_NAME] = qq.s3.util.REDUCED_REDUNDANCY_PARAM_VALUE;\n                }\n                if (serverSideEncryption) {\n                    awsParams[qq.s3.util.SERVER_SIDE_ENCRYPTION_PARAM_NAME] = qq.s3.util.SERVER_SIDE_ENCRYPTION_PARAM_VALUE;\n                }\n                if (sessionToken) {\n                    awsParams[qq.s3.util.SESSION_TOKEN_PARAM_NAME] = sessionToken;\n                }\n                awsParams.acl = acl;\n                qq.each(customParams, function(name, val) {\n                    var awsParamName = qq.s3.util._getPrefixedParamName(name);\n                    if (qq.indexOf(qq.s3.util.UNPREFIXED_PARAM_NAMES, awsParamName) >= 0) {\n                        awsParams[awsParamName] = val;\n                    } else {\n                        awsParams[awsParamName] = encodeURIComponent(val);\n                    }\n                });\n                if (signatureVersion === 2) {\n                    awsParams.AWSAccessKeyId = accessKey;\n                } else if (signatureVersion === 4) {\n                    awsParams[qq.s3.util.ALGORITHM_PARAM_NAME] = qq.s3.util.V4_ALGORITHM_PARAM_VALUE;\n                    awsParams[qq.s3.util.CREDENTIAL_PARAM_NAME] = qq.s3.util.getV4CredentialsString({\n                        date: now,\n                        key: accessKey,\n                        region: region\n                    });\n                    awsParams[qq.s3.util.DATE_PARAM_NAME] = qq.s3.util.getV4PolicyDate(now, drift);\n                }\n                signPolicyCallback(policyJson).then(function(policyAndSignature, updatedAccessKey, updatedSessionToken) {\n                    awsParams.policy = policyAndSignature.policy;\n                    if (spec.signatureVersion === 2) {\n                        awsParams.signature = policyAndSignature.signature;\n                        if (updatedAccessKey) {\n                            awsParams.AWSAccessKeyId = updatedAccessKey;\n                        }\n                    } else if (spec.signatureVersion === 4) {\n                        awsParams[qq.s3.util.V4_SIGNATURE_PARAM_NAME] = policyAndSignature.signature;\n                    }\n                    if (updatedSessionToken) {\n                        awsParams[qq.s3.util.SESSION_TOKEN_PARAM_NAME] = updatedSessionToken;\n                    }\n                    promise.success(awsParams);\n                }, function(errorMessage) {\n                    errorMessage = errorMessage || \"Can't continue further with request to S3 as we did not receive \" + \"a valid signature and policy from the server.\";\n                    log(\"Policy signing failed.  \" + errorMessage, \"error\");\n                    promise.failure(errorMessage);\n                });\n                return promise;\n            },\n            enforceSizeLimits: function(policy, minSize, maxSize) {\n                var adjustedMinSize = minSize < 0 ? 0 : minSize, adjustedMaxSize = maxSize <= 0 ? 9007199254740992 : maxSize;\n                if (minSize > 0 || maxSize > 0) {\n                    policy.conditions.push([ \"content-length-range\", adjustedMinSize.toString(), adjustedMaxSize.toString() ]);\n                }\n            },\n            getPolicyExpirationDate: function(date, drift) {\n                var adjustedDate = new Date(date.getTime() + drift);\n                return qq.s3.util.getPolicyDate(adjustedDate, 5);\n            },\n            getCredentialsDate: function(date) {\n                return date.getUTCFullYear() + \"\" + (\"0\" + (date.getUTCMonth() + 1)).slice(-2) + (\"0\" + date.getUTCDate()).slice(-2);\n            },\n            getPolicyDate: function(date, _minutesToAdd_) {\n                var minutesToAdd = _minutesToAdd_ || 0, pad, r;\n                date.setMinutes(date.getMinutes() + (minutesToAdd || 0));\n                if (Date.prototype.toISOString) {\n                    return date.toISOString();\n                } else {\n                    pad = function(number) {\n                        r = String(number);\n                        if (r.length === 1) {\n                            r = \"0\" + r;\n                        }\n                        return r;\n                    };\n                    return date.getUTCFullYear() + \"-\" + pad(date.getUTCMonth() + 1) + \"-\" + pad(date.getUTCDate()) + \"T\" + pad(date.getUTCHours()) + \":\" + pad(date.getUTCMinutes()) + \":\" + pad(date.getUTCSeconds()) + \".\" + String((date.getUTCMilliseconds() / 1e3).toFixed(3)).slice(2, 5) + \"Z\";\n                }\n            },\n            parseIframeResponse: function(iframe) {\n                var doc = iframe.contentDocument || iframe.contentWindow.document, queryString = doc.location.search, match = /bucket=(.+)&key=(.+)&etag=(.+)/.exec(queryString);\n                if (match) {\n                    return {\n                        bucket: match[1],\n                        key: match[2],\n                        etag: match[3].replace(/%22/g, \"\")\n                    };\n                }\n            },\n            getSuccessRedirectAbsoluteUrl: function(successRedirectUrl) {\n                if (successRedirectUrl) {\n                    var targetAnchorContainer = document.createElement(\"div\"), targetAnchor;\n                    if (qq.ie7()) {\n                        targetAnchorContainer.innerHTML = \"<a href='\" + successRedirectUrl + \"'></a>\";\n                        targetAnchor = targetAnchorContainer.firstChild;\n                        return targetAnchor.href;\n                    } else {\n                        targetAnchor = document.createElement(\"a\");\n                        targetAnchor.href = successRedirectUrl;\n                        targetAnchor.href = targetAnchor.href;\n                        return targetAnchor.href;\n                    }\n                }\n            },\n            getV4CredentialsString: function(spec) {\n                return spec.key + \"/\" + qq.s3.util.getCredentialsDate(spec.date) + \"/\" + spec.region + \"/s3/aws4_request\";\n            },\n            getV4PolicyDate: function(date, drift) {\n                var adjustedDate = new Date(date.getTime() + drift);\n                return qq.s3.util.getCredentialsDate(adjustedDate) + \"T\" + (\"0\" + adjustedDate.getUTCHours()).slice(-2) + (\"0\" + adjustedDate.getUTCMinutes()).slice(-2) + (\"0\" + adjustedDate.getUTCSeconds()).slice(-2) + \"Z\";\n            },\n            encodeQueryStringParam: function(param) {\n                var percentEncoded = encodeURIComponent(param);\n                percentEncoded = percentEncoded.replace(/[!'()]/g, escape);\n                percentEncoded = percentEncoded.replace(/\\*/g, \"%2A\");\n                return percentEncoded.replace(/%20/g, \"+\");\n            },\n            uriEscape: function(string) {\n                var output = encodeURIComponent(string);\n                output = output.replace(/[^A-Za-z0-9_.~\\-%]+/g, escape);\n                output = output.replace(/[*]/g, function(ch) {\n                    return \"%\" + ch.charCodeAt(0).toString(16).toUpperCase();\n                });\n                return output;\n            },\n            uriEscapePath: function(path) {\n                var parts = [];\n                qq.each(path.split(\"/\"), function(idx, item) {\n                    parts.push(qq.s3.util.uriEscape(item));\n                });\n                return parts.join(\"/\");\n            }\n        };\n    }();\n    (function() {\n        \"use strict\";\n        qq.nonTraditionalBasePublicApi = {\n            setUploadSuccessParams: function(params, id) {\n                this._uploadSuccessParamsStore.set(params, id);\n            },\n            setUploadSuccessEndpoint: function(endpoint, id) {\n                this._uploadSuccessEndpointStore.set(endpoint, id);\n            }\n        };\n        qq.nonTraditionalBasePrivateApi = {\n            _onComplete: function(id, name, result, xhr) {\n                var success = result.success ? true : false, self = this, onCompleteArgs = arguments, successEndpoint = this._uploadSuccessEndpointStore.get(id), successCustomHeaders = this._options.uploadSuccess.customHeaders, successMethod = this._options.uploadSuccess.method, cors = this._options.cors, promise = new qq.Promise(), uploadSuccessParams = this._uploadSuccessParamsStore.get(id), fileParams = this._paramsStore.get(id), onSuccessFromServer = function(successRequestResult) {\n                    delete self._failedSuccessRequestCallbacks[id];\n                    qq.extend(result, successRequestResult);\n                    qq.FineUploaderBasic.prototype._onComplete.apply(self, onCompleteArgs);\n                    promise.success(successRequestResult);\n                }, onFailureFromServer = function(successRequestResult) {\n                    var callback = submitSuccessRequest;\n                    qq.extend(result, successRequestResult);\n                    if (result && result.reset) {\n                        callback = null;\n                    }\n                    if (!callback) {\n                        delete self._failedSuccessRequestCallbacks[id];\n                    } else {\n                        self._failedSuccessRequestCallbacks[id] = callback;\n                    }\n                    if (!self._onAutoRetry(id, name, result, xhr, callback)) {\n                        qq.FineUploaderBasic.prototype._onComplete.apply(self, onCompleteArgs);\n                        promise.failure(successRequestResult);\n                    }\n                }, submitSuccessRequest, successAjaxRequester;\n                if (success && successEndpoint) {\n                    successAjaxRequester = new qq.UploadSuccessAjaxRequester({\n                        endpoint: successEndpoint,\n                        method: successMethod,\n                        customHeaders: successCustomHeaders,\n                        cors: cors,\n                        log: qq.bind(this.log, this)\n                    });\n                    qq.extend(uploadSuccessParams, self._getEndpointSpecificParams(id, result, xhr), true);\n                    fileParams && qq.extend(uploadSuccessParams, fileParams, true);\n                    submitSuccessRequest = qq.bind(function() {\n                        successAjaxRequester.sendSuccessRequest(id, uploadSuccessParams).then(onSuccessFromServer, onFailureFromServer);\n                    }, self);\n                    submitSuccessRequest();\n                    return promise;\n                }\n                return qq.FineUploaderBasic.prototype._onComplete.apply(this, arguments);\n            },\n            _manualRetry: function(id) {\n                var successRequestCallback = this._failedSuccessRequestCallbacks[id];\n                return qq.FineUploaderBasic.prototype._manualRetry.call(this, id, successRequestCallback);\n            }\n        };\n    })();\n    (function() {\n        \"use strict\";\n        qq.s3.FineUploaderBasic = function(o) {\n            var options = {\n                request: {\n                    accessKey: null,\n                    clockDrift: 0\n                },\n                objectProperties: {\n                    acl: \"private\",\n                    bucket: qq.bind(function(id) {\n                        return qq.s3.util.getBucket(this.getEndpoint(id));\n                    }, this),\n                    host: qq.bind(function(id) {\n                        return /(?:http|https):\\/\\/(.+)(?:\\/.+)?/.exec(this._endpointStore.get(id))[1];\n                    }, this),\n                    key: \"uuid\",\n                    reducedRedundancy: false,\n                    region: \"us-east-1\",\n                    serverSideEncryption: false\n                },\n                credentials: {\n                    accessKey: null,\n                    secretKey: null,\n                    expiration: null,\n                    sessionToken: null\n                },\n                signature: {\n                    customHeaders: {},\n                    endpoint: null,\n                    version: 2\n                },\n                uploadSuccess: {\n                    endpoint: null,\n                    method: \"POST\",\n                    params: {},\n                    customHeaders: {}\n                },\n                iframeSupport: {\n                    localBlankPagePath: null\n                },\n                chunking: {\n                    partSize: 5242880\n                },\n                cors: {\n                    allowXdr: true\n                },\n                callbacks: {\n                    onCredentialsExpired: function() {}\n                }\n            };\n            qq.extend(options, o, true);\n            if (!this.setCredentials(options.credentials, true)) {\n                this._currentCredentials.accessKey = options.request.accessKey;\n            }\n            this._aclStore = this._createStore(options.objectProperties.acl);\n            qq.FineUploaderBasic.call(this, options);\n            this._uploadSuccessParamsStore = this._createStore(this._options.uploadSuccess.params);\n            this._uploadSuccessEndpointStore = this._createStore(this._options.uploadSuccess.endpoint);\n            this._failedSuccessRequestCallbacks = {};\n            this._cannedKeys = {};\n            this._cannedBuckets = {};\n            this._buckets = {};\n            this._hosts = {};\n        };\n        qq.extend(qq.s3.FineUploaderBasic.prototype, qq.basePublicApi);\n        qq.extend(qq.s3.FineUploaderBasic.prototype, qq.basePrivateApi);\n        qq.extend(qq.s3.FineUploaderBasic.prototype, qq.nonTraditionalBasePublicApi);\n        qq.extend(qq.s3.FineUploaderBasic.prototype, qq.nonTraditionalBasePrivateApi);\n        qq.extend(qq.s3.FineUploaderBasic.prototype, {\n            getBucket: function(id) {\n                if (this._cannedBuckets[id] == null) {\n                    return this._buckets[id];\n                }\n                return this._cannedBuckets[id];\n            },\n            getKey: function(id) {\n                if (this._cannedKeys[id] == null) {\n                    return this._handler.getThirdPartyFileId(id);\n                }\n                return this._cannedKeys[id];\n            },\n            reset: function() {\n                qq.FineUploaderBasic.prototype.reset.call(this);\n                this._failedSuccessRequestCallbacks = [];\n                this._buckets = {};\n                this._hosts = {};\n            },\n            setCredentials: function(credentials, ignoreEmpty) {\n                if (credentials && credentials.secretKey) {\n                    if (!credentials.accessKey) {\n                        throw new qq.Error(\"Invalid credentials: no accessKey\");\n                    } else if (!credentials.expiration) {\n                        throw new qq.Error(\"Invalid credentials: no expiration\");\n                    } else {\n                        this._currentCredentials = qq.extend({}, credentials);\n                        if (qq.isString(credentials.expiration)) {\n                            this._currentCredentials.expiration = new Date(credentials.expiration);\n                        }\n                    }\n                    return true;\n                } else if (!ignoreEmpty) {\n                    throw new qq.Error(\"Invalid credentials parameter!\");\n                } else {\n                    this._currentCredentials = {};\n                }\n            },\n            setAcl: function(acl, id) {\n                this._aclStore.set(acl, id);\n            },\n            _createUploadHandler: function() {\n                var self = this, additionalOptions = {\n                    aclStore: this._aclStore,\n                    getBucket: qq.bind(this._determineBucket, this),\n                    getHost: qq.bind(this._determineHost, this),\n                    getKeyName: qq.bind(this._determineKeyName, this),\n                    iframeSupport: this._options.iframeSupport,\n                    objectProperties: this._options.objectProperties,\n                    signature: this._options.signature,\n                    clockDrift: this._options.request.clockDrift,\n                    validation: {\n                        minSizeLimit: this._options.validation.minSizeLimit,\n                        maxSizeLimit: this._options.validation.sizeLimit\n                    }\n                };\n                qq.override(this._endpointStore, function(super_) {\n                    return {\n                        get: function(id) {\n                            var endpoint = super_.get(id);\n                            if (endpoint.indexOf(\"http\") < 0) {\n                                return \"http://\" + endpoint;\n                            }\n                            return endpoint;\n                        }\n                    };\n                });\n                qq.override(this._paramsStore, function(super_) {\n                    return {\n                        get: function(id) {\n                            var oldParams = super_.get(id), modifiedParams = {};\n                            qq.each(oldParams, function(name, val) {\n                                var paramName = name;\n                                if (qq.indexOf(qq.s3.util.CASE_SENSITIVE_PARAM_NAMES, paramName) < 0) {\n                                    paramName = paramName.toLowerCase();\n                                }\n                                modifiedParams[paramName] = qq.isFunction(val) ? val() : val;\n                            });\n                            return modifiedParams;\n                        }\n                    };\n                });\n                additionalOptions.signature.credentialsProvider = {\n                    get: function() {\n                        return self._currentCredentials;\n                    },\n                    onExpired: function() {\n                        var updateCredentials = new qq.Promise(), callbackRetVal = self._options.callbacks.onCredentialsExpired();\n                        if (qq.isGenericPromise(callbackRetVal)) {\n                            callbackRetVal.then(function(credentials) {\n                                try {\n                                    self.setCredentials(credentials);\n                                    updateCredentials.success();\n                                } catch (error) {\n                                    self.log(\"Invalid credentials returned from onCredentialsExpired callback! (\" + error.message + \")\", \"error\");\n                                    updateCredentials.failure(\"onCredentialsExpired did not return valid credentials.\");\n                                }\n                            }, function(errorMsg) {\n                                self.log(\"onCredentialsExpired callback indicated failure! (\" + errorMsg + \")\", \"error\");\n                                updateCredentials.failure(\"onCredentialsExpired callback failed.\");\n                            });\n                        } else {\n                            self.log(\"onCredentialsExpired callback did not return a promise!\", \"error\");\n                            updateCredentials.failure(\"Unexpected return value for onCredentialsExpired.\");\n                        }\n                        return updateCredentials;\n                    }\n                };\n                return qq.FineUploaderBasic.prototype._createUploadHandler.call(this, additionalOptions, \"s3\");\n            },\n            _determineObjectPropertyValue: function(id, property) {\n                var maybe = this._options.objectProperties[property], promise = new qq.Promise(), self = this;\n                if (qq.isFunction(maybe)) {\n                    maybe = maybe(id);\n                    if (qq.isGenericPromise(maybe)) {\n                        promise = maybe;\n                    } else {\n                        promise.success(maybe);\n                    }\n                } else if (qq.isString(maybe)) {\n                    promise.success(maybe);\n                }\n                promise.then(function success(value) {\n                    self[\"_\" + property + \"s\"][id] = value;\n                }, function failure(errorMsg) {\n                    qq.log(\"Problem determining \" + property + \" for ID \" + id + \" (\" + errorMsg + \")\", \"error\");\n                });\n                return promise;\n            },\n            _determineBucket: function(id) {\n                return this._determineObjectPropertyValue(id, \"bucket\");\n            },\n            _determineHost: function(id) {\n                return this._determineObjectPropertyValue(id, \"host\");\n            },\n            _determineKeyName: function(id, filename) {\n                var promise = new qq.Promise(), keynameLogic = this._options.objectProperties.key, extension = qq.getExtension(filename), onGetKeynameFailure = promise.failure, onGetKeynameSuccess = function(keyname, extension) {\n                    var keynameToUse = keyname;\n                    if (extension !== undefined) {\n                        keynameToUse += \".\" + extension;\n                    }\n                    promise.success(keynameToUse);\n                };\n                switch (keynameLogic) {\n                  case \"uuid\":\n                    onGetKeynameSuccess(this.getUuid(id), extension);\n                    break;\n\n                  case \"filename\":\n                    onGetKeynameSuccess(filename);\n                    break;\n\n                  default:\n                    if (qq.isFunction(keynameLogic)) {\n                        this._handleKeynameFunction(keynameLogic, id, onGetKeynameSuccess, onGetKeynameFailure);\n                    } else {\n                        this.log(keynameLogic + \" is not a valid value for the s3.keyname option!\", \"error\");\n                        onGetKeynameFailure();\n                    }\n                }\n                return promise;\n            },\n            _handleKeynameFunction: function(keynameFunc, id, successCallback, failureCallback) {\n                var self = this, onSuccess = function(keyname) {\n                    successCallback(keyname);\n                }, onFailure = function(reason) {\n                    self.log(qq.format(\"Failed to retrieve key name for {}.  Reason: {}\", id, reason || \"null\"), \"error\");\n                    failureCallback(reason);\n                }, keyname = keynameFunc.call(this, id);\n                if (qq.isGenericPromise(keyname)) {\n                    keyname.then(onSuccess, onFailure);\n                } else if (keyname == null) {\n                    onFailure();\n                } else {\n                    onSuccess(keyname);\n                }\n            },\n            _getEndpointSpecificParams: function(id, response, maybeXhr) {\n                var params = {\n                    key: this.getKey(id),\n                    uuid: this.getUuid(id),\n                    name: this.getName(id),\n                    bucket: this.getBucket(id)\n                };\n                if (maybeXhr && maybeXhr.getResponseHeader(\"ETag\")) {\n                    params.etag = maybeXhr.getResponseHeader(\"ETag\");\n                } else if (response.etag) {\n                    params.etag = response.etag;\n                }\n                return params;\n            },\n            _onSubmitDelete: function(id, onSuccessCallback) {\n                var additionalMandatedParams = {\n                    key: this.getKey(id),\n                    bucket: this.getBucket(id)\n                };\n                return qq.FineUploaderBasic.prototype._onSubmitDelete.call(this, id, onSuccessCallback, additionalMandatedParams);\n            },\n            _addCannedFile: function(sessionData) {\n                var id;\n                if (sessionData.s3Key == null) {\n                    throw new qq.Error(\"Did not find s3Key property in server session response.  This is required!\");\n                } else {\n                    id = qq.FineUploaderBasic.prototype._addCannedFile.apply(this, arguments);\n                    this._cannedKeys[id] = sessionData.s3Key;\n                    this._cannedBuckets[id] = sessionData.s3Bucket;\n                }\n                return id;\n            }\n        });\n    })();\n    if (!window.Uint8ClampedArray) {\n        window.Uint8ClampedArray = function() {};\n    }\n    qq.s3.RequestSigner = function(o) {\n        \"use strict\";\n        var requester, thisSignatureRequester = this, pendingSignatures = {}, options = {\n            expectingPolicy: false,\n            method: \"POST\",\n            signatureSpec: {\n                drift: 0,\n                credentialsProvider: {},\n                endpoint: null,\n                customHeaders: {},\n                version: 2\n            },\n            maxConnections: 3,\n            endpointStore: {},\n            paramsStore: {},\n            cors: {\n                expected: false,\n                sendCredentials: false\n            },\n            log: function(str, level) {}\n        }, credentialsProvider, generateHeaders = function(signatureConstructor, signature, promise) {\n            var headers = signatureConstructor.getHeaders();\n            if (options.signatureSpec.version === 4) {\n                headers.Authorization = qq.s3.util.V4_ALGORITHM_PARAM_VALUE + \" Credential=\" + options.signatureSpec.credentialsProvider.get().accessKey + \"/\" + qq.s3.util.getCredentialsDate(signatureConstructor.getRequestDate()) + \"/\" + options.signatureSpec.region + \"/\" + \"s3/aws4_request,\" + \"SignedHeaders=\" + signatureConstructor.getSignedHeaders() + \",\" + \"Signature=\" + signature;\n            } else {\n                headers.Authorization = \"AWS \" + options.signatureSpec.credentialsProvider.get().accessKey + \":\" + signature;\n            }\n            promise.success(headers, signatureConstructor.getEndOfUrl());\n        }, v2 = {\n            getStringToSign: function(signatureSpec) {\n                return qq.format(\"{}\\n{}\\n{}\\n\\n{}/{}/{}\", signatureSpec.method, signatureSpec.contentMd5 || \"\", signatureSpec.contentType || \"\", signatureSpec.headersStr || \"\\n\", signatureSpec.bucket, signatureSpec.endOfUrl);\n            },\n            signApiRequest: function(signatureConstructor, headersStr, signatureEffort) {\n                var headersWordArray = qq.CryptoJS.enc.Utf8.parse(headersStr), headersHmacSha1 = qq.CryptoJS.HmacSHA1(headersWordArray, credentialsProvider.get().secretKey), headersHmacSha1Base64 = qq.CryptoJS.enc.Base64.stringify(headersHmacSha1);\n                generateHeaders(signatureConstructor, headersHmacSha1Base64, signatureEffort);\n            },\n            signPolicy: function(policy, signatureEffort, updatedAccessKey, updatedSessionToken) {\n                var policyStr = JSON.stringify(policy), policyWordArray = qq.CryptoJS.enc.Utf8.parse(policyStr), base64Policy = qq.CryptoJS.enc.Base64.stringify(policyWordArray), policyHmacSha1 = qq.CryptoJS.HmacSHA1(base64Policy, credentialsProvider.get().secretKey), policyHmacSha1Base64 = qq.CryptoJS.enc.Base64.stringify(policyHmacSha1);\n                signatureEffort.success({\n                    policy: base64Policy,\n                    signature: policyHmacSha1Base64\n                }, updatedAccessKey, updatedSessionToken);\n            }\n        }, v4 = {\n            getCanonicalQueryString: function(endOfUri) {\n                var queryParamIdx = endOfUri.indexOf(\"?\"), canonicalQueryString = \"\", encodedQueryParams, encodedQueryParamNames, queryStrings;\n                if (queryParamIdx >= 0) {\n                    encodedQueryParams = {};\n                    queryStrings = endOfUri.substr(queryParamIdx + 1).split(\"&\");\n                    qq.each(queryStrings, function(idx, queryString) {\n                        var nameAndVal = queryString.split(\"=\"), paramVal = nameAndVal[1];\n                        if (paramVal == null) {\n                            paramVal = \"\";\n                        }\n                        encodedQueryParams[encodeURIComponent(nameAndVal[0])] = encodeURIComponent(paramVal);\n                    });\n                    encodedQueryParamNames = Object.keys(encodedQueryParams).sort();\n                    encodedQueryParamNames.forEach(function(encodedQueryParamName, idx) {\n                        canonicalQueryString += encodedQueryParamName + \"=\" + encodedQueryParams[encodedQueryParamName];\n                        if (idx < encodedQueryParamNames.length - 1) {\n                            canonicalQueryString += \"&\";\n                        }\n                    });\n                }\n                return canonicalQueryString;\n            },\n            getCanonicalRequest: function(signatureSpec) {\n                return qq.format(\"{}\\n{}\\n{}\\n{}\\n{}\\n{}\", signatureSpec.method, v4.getCanonicalUri(signatureSpec.endOfUrl), v4.getCanonicalQueryString(signatureSpec.endOfUrl), signatureSpec.headersStr || \"\\n\", v4.getSignedHeaders(signatureSpec.headerNames), signatureSpec.hashedContent);\n            },\n            getCanonicalUri: function(endOfUri) {\n                var path = endOfUri, queryParamIdx = endOfUri.indexOf(\"?\");\n                if (queryParamIdx > 0) {\n                    path = endOfUri.substr(0, queryParamIdx);\n                }\n                return \"/\" + path;\n            },\n            getEncodedHashedPayload: function(body) {\n                var promise = new qq.Promise(), reader;\n                if (qq.isBlob(body)) {\n                    reader = new FileReader();\n                    reader.onloadend = function(e) {\n                        if (e.target.readyState === FileReader.DONE) {\n                            if (e.target.error) {\n                                promise.failure(e.target.error);\n                            } else {\n                                var wordArray = qq.CryptoJS.lib.WordArray.create(e.target.result);\n                                promise.success(qq.CryptoJS.SHA256(wordArray).toString());\n                            }\n                        }\n                    };\n                    reader.readAsArrayBuffer(body);\n                } else {\n                    body = body || \"\";\n                    promise.success(qq.CryptoJS.SHA256(body).toString());\n                }\n                return promise;\n            },\n            getScope: function(date, region) {\n                return qq.s3.util.getCredentialsDate(date) + \"/\" + region + \"/s3/aws4_request\";\n            },\n            getStringToSign: function(signatureSpec) {\n                var canonicalRequest = v4.getCanonicalRequest(signatureSpec), date = qq.s3.util.getV4PolicyDate(signatureSpec.date, signatureSpec.drift), hashedRequest = qq.CryptoJS.SHA256(canonicalRequest).toString(), scope = v4.getScope(signatureSpec.date, options.signatureSpec.region), stringToSignTemplate = \"AWS4-HMAC-SHA256\\n{}\\n{}\\n{}\";\n                return {\n                    hashed: qq.format(stringToSignTemplate, date, scope, hashedRequest),\n                    raw: qq.format(stringToSignTemplate, date, scope, canonicalRequest)\n                };\n            },\n            getSignedHeaders: function(headerNames) {\n                var signedHeaders = \"\";\n                headerNames.forEach(function(headerName, idx) {\n                    signedHeaders += headerName.toLowerCase();\n                    if (idx < headerNames.length - 1) {\n                        signedHeaders += \";\";\n                    }\n                });\n                return signedHeaders;\n            },\n            signApiRequest: function(signatureConstructor, headersStr, signatureEffort) {\n                var secretKey = credentialsProvider.get().secretKey, headersPattern = /.+\\n.+\\n(\\d+)\\/(.+)\\/s3\\/.+\\n(.+)/, matches = headersPattern.exec(headersStr), dateKey, dateRegionKey, dateRegionServiceKey, signingKey;\n                dateKey = qq.CryptoJS.HmacSHA256(matches[1], \"AWS4\" + secretKey);\n                dateRegionKey = qq.CryptoJS.HmacSHA256(matches[2], dateKey);\n                dateRegionServiceKey = qq.CryptoJS.HmacSHA256(\"s3\", dateRegionKey);\n                signingKey = qq.CryptoJS.HmacSHA256(\"aws4_request\", dateRegionServiceKey);\n                generateHeaders(signatureConstructor, qq.CryptoJS.HmacSHA256(headersStr, signingKey), signatureEffort);\n            },\n            signPolicy: function(policy, signatureEffort, updatedAccessKey, updatedSessionToken) {\n                var policyStr = JSON.stringify(policy), policyWordArray = qq.CryptoJS.enc.Utf8.parse(policyStr), base64Policy = qq.CryptoJS.enc.Base64.stringify(policyWordArray), secretKey = credentialsProvider.get().secretKey, credentialPattern = /.+\\/(.+)\\/(.+)\\/s3\\/aws4_request/, credentialCondition = function() {\n                    var credential = null;\n                    qq.each(policy.conditions, function(key, condition) {\n                        var val = condition[\"x-amz-credential\"];\n                        if (val) {\n                            credential = val;\n                            return false;\n                        }\n                    });\n                    return credential;\n                }(), matches, dateKey, dateRegionKey, dateRegionServiceKey, signingKey;\n                matches = credentialPattern.exec(credentialCondition);\n                dateKey = qq.CryptoJS.HmacSHA256(matches[1], \"AWS4\" + secretKey);\n                dateRegionKey = qq.CryptoJS.HmacSHA256(matches[2], dateKey);\n                dateRegionServiceKey = qq.CryptoJS.HmacSHA256(\"s3\", dateRegionKey);\n                signingKey = qq.CryptoJS.HmacSHA256(\"aws4_request\", dateRegionServiceKey);\n                signatureEffort.success({\n                    policy: base64Policy,\n                    signature: qq.CryptoJS.HmacSHA256(base64Policy, signingKey).toString()\n                }, updatedAccessKey, updatedSessionToken);\n            }\n        };\n        qq.extend(options, o, true);\n        credentialsProvider = options.signatureSpec.credentialsProvider;\n        function handleSignatureReceived(id, xhrOrXdr, isError) {\n            var responseJson = xhrOrXdr.responseText, pendingSignatureData = pendingSignatures[id], promise = pendingSignatureData.promise, signatureConstructor = pendingSignatureData.signatureConstructor, errorMessage, response;\n            delete pendingSignatures[id];\n            if (responseJson) {\n                try {\n                    response = qq.parseJson(responseJson);\n                } catch (error) {\n                    options.log(\"Error attempting to parse signature response: \" + error, \"error\");\n                }\n            }\n            if (response && response.error) {\n                isError = true;\n                errorMessage = response.error;\n            } else if (response && response.invalid) {\n                isError = true;\n                errorMessage = \"Invalid policy document or request headers!\";\n            } else if (response) {\n                if (options.expectingPolicy && !response.policy) {\n                    isError = true;\n                    errorMessage = \"Response does not include the base64 encoded policy!\";\n                } else if (!response.signature) {\n                    isError = true;\n                    errorMessage = \"Response does not include the signature!\";\n                }\n            } else {\n                isError = true;\n                errorMessage = \"Received an empty or invalid response from the server!\";\n            }\n            if (isError) {\n                if (errorMessage) {\n                    options.log(errorMessage, \"error\");\n                }\n                promise.failure(errorMessage);\n            } else if (signatureConstructor) {\n                generateHeaders(signatureConstructor, response.signature, promise);\n            } else {\n                promise.success(response);\n            }\n        }\n        function getStringToSignArtifacts(id, version, requestInfo) {\n            var promise = new qq.Promise(), method = \"POST\", headerNames = [], headersStr = \"\", now = new Date(), endOfUrl, signatureSpec, toSign, generateStringToSign = function(requestInfo) {\n                var contentMd5, headerIndexesToRemove = [];\n                qq.each(requestInfo.headers, function(name) {\n                    headerNames.push(name);\n                });\n                headerNames.sort();\n                qq.each(headerNames, function(idx, headerName) {\n                    if (qq.indexOf(qq.s3.util.UNSIGNABLE_REST_HEADER_NAMES, headerName) < 0) {\n                        headersStr += headerName.toLowerCase() + \":\" + requestInfo.headers[headerName].trim() + \"\\n\";\n                    } else if (headerName === \"Content-MD5\") {\n                        contentMd5 = requestInfo.headers[headerName];\n                    } else {\n                        headerIndexesToRemove.unshift(idx);\n                    }\n                });\n                qq.each(headerIndexesToRemove, function(idx, headerIdx) {\n                    headerNames.splice(headerIdx, 1);\n                });\n                signatureSpec = {\n                    bucket: requestInfo.bucket,\n                    contentMd5: contentMd5,\n                    contentType: requestInfo.contentType,\n                    date: now,\n                    drift: options.signatureSpec.drift,\n                    endOfUrl: endOfUrl,\n                    hashedContent: requestInfo.hashedContent,\n                    headerNames: headerNames,\n                    headersStr: headersStr,\n                    method: method\n                };\n                toSign = version === 2 ? v2.getStringToSign(signatureSpec) : v4.getStringToSign(signatureSpec);\n                return {\n                    date: now,\n                    endOfUrl: endOfUrl,\n                    signedHeaders: version === 4 ? v4.getSignedHeaders(signatureSpec.headerNames) : null,\n                    toSign: version === 4 ? toSign.hashed : toSign,\n                    toSignRaw: version === 4 ? toSign.raw : toSign\n                };\n            };\n            switch (requestInfo.type) {\n              case thisSignatureRequester.REQUEST_TYPE.MULTIPART_ABORT:\n                method = \"DELETE\";\n                endOfUrl = qq.format(\"uploadId={}\", requestInfo.uploadId);\n                break;\n\n              case thisSignatureRequester.REQUEST_TYPE.MULTIPART_INITIATE:\n                endOfUrl = \"uploads\";\n                break;\n\n              case thisSignatureRequester.REQUEST_TYPE.MULTIPART_COMPLETE:\n                endOfUrl = qq.format(\"uploadId={}\", requestInfo.uploadId);\n                break;\n\n              case thisSignatureRequester.REQUEST_TYPE.MULTIPART_UPLOAD:\n                method = \"PUT\";\n                endOfUrl = qq.format(\"partNumber={}&uploadId={}\", requestInfo.partNum, requestInfo.uploadId);\n                break;\n            }\n            endOfUrl = requestInfo.key + \"?\" + endOfUrl;\n            if (version === 4) {\n                v4.getEncodedHashedPayload(requestInfo.content).then(function(hashedContent) {\n                    requestInfo.headers[\"x-amz-content-sha256\"] = hashedContent;\n                    requestInfo.headers.Host = requestInfo.host;\n                    requestInfo.headers[\"x-amz-date\"] = qq.s3.util.getV4PolicyDate(now, options.signatureSpec.drift);\n                    requestInfo.hashedContent = hashedContent;\n                    promise.success(generateStringToSign(requestInfo));\n                }, function(err) {\n                    promise.failure(err);\n                });\n            } else {\n                promise.success(generateStringToSign(requestInfo));\n            }\n            return promise;\n        }\n        function determineSignatureClientSide(id, toBeSigned, signatureEffort, updatedAccessKey, updatedSessionToken) {\n            var updatedHeaders;\n            if (toBeSigned.signatureConstructor) {\n                if (updatedSessionToken) {\n                    updatedHeaders = toBeSigned.signatureConstructor.getHeaders();\n                    updatedHeaders[qq.s3.util.SESSION_TOKEN_PARAM_NAME] = updatedSessionToken;\n                    toBeSigned.signatureConstructor.withHeaders(updatedHeaders);\n                }\n                toBeSigned.signatureConstructor.getToSign(id).then(function(signatureArtifacts) {\n                    signApiRequest(toBeSigned.signatureConstructor, signatureArtifacts.stringToSign, signatureEffort);\n                }, function(err) {\n                    signatureEffort.failure(err);\n                });\n            } else {\n                updatedSessionToken && qq.s3.util.refreshPolicyCredentials(toBeSigned, updatedSessionToken);\n                signPolicy(toBeSigned, signatureEffort, updatedAccessKey, updatedSessionToken);\n            }\n        }\n        function signPolicy(policy, signatureEffort, updatedAccessKey, updatedSessionToken) {\n            if (options.signatureSpec.version === 4) {\n                v4.signPolicy(policy, signatureEffort, updatedAccessKey, updatedSessionToken);\n            } else {\n                v2.signPolicy(policy, signatureEffort, updatedAccessKey, updatedSessionToken);\n            }\n        }\n        function signApiRequest(signatureConstructor, headersStr, signatureEffort) {\n            if (options.signatureSpec.version === 4) {\n                v4.signApiRequest(signatureConstructor, headersStr, signatureEffort);\n            } else {\n                v2.signApiRequest(signatureConstructor, headersStr, signatureEffort);\n            }\n        }\n        requester = qq.extend(this, new qq.AjaxRequester({\n            acceptHeader: \"application/json\",\n            method: options.method,\n            contentType: \"application/json; charset=utf-8\",\n            endpointStore: {\n                get: function() {\n                    return options.signatureSpec.endpoint;\n                }\n            },\n            paramsStore: options.paramsStore,\n            maxConnections: options.maxConnections,\n            customHeaders: options.signatureSpec.customHeaders,\n            log: options.log,\n            onComplete: handleSignatureReceived,\n            cors: options.cors\n        }));\n        qq.extend(this, {\n            getSignature: function(id, toBeSigned) {\n                var params = toBeSigned, signatureConstructor = toBeSigned.signatureConstructor, signatureEffort = new qq.Promise(), queryParams;\n                if (options.signatureSpec.version === 4) {\n                    queryParams = {\n                        v4: true\n                    };\n                }\n                if (credentialsProvider.get().secretKey && qq.CryptoJS) {\n                    if (credentialsProvider.get().expiration.getTime() > Date.now()) {\n                        determineSignatureClientSide(id, toBeSigned, signatureEffort);\n                    } else {\n                        credentialsProvider.onExpired().then(function() {\n                            determineSignatureClientSide(id, toBeSigned, signatureEffort, credentialsProvider.get().accessKey, credentialsProvider.get().sessionToken);\n                        }, function(errorMsg) {\n                            options.log(\"Attempt to update expired credentials apparently failed! Unable to sign request.  \", \"error\");\n                            signatureEffort.failure(\"Unable to sign request - expired credentials.\");\n                        });\n                    }\n                } else {\n                    options.log(\"Submitting S3 signature request for \" + id);\n                    if (signatureConstructor) {\n                        signatureConstructor.getToSign(id).then(function(signatureArtifacts) {\n                            params = {\n                                headers: signatureArtifacts.stringToSignRaw\n                            };\n                            requester.initTransport(id).withParams(params).withQueryParams(queryParams).send();\n                        }, function(err) {\n                            options.log(\"Failed to construct signature. \", \"error\");\n                            signatureEffort.failure(\"Failed to construct signature.\");\n                        });\n                    } else {\n                        requester.initTransport(id).withParams(params).withQueryParams(queryParams).send();\n                    }\n                    pendingSignatures[id] = {\n                        promise: signatureEffort,\n                        signatureConstructor: signatureConstructor\n                    };\n                }\n                return signatureEffort;\n            },\n            constructStringToSign: function(type, bucket, host, key) {\n                var headers = {}, uploadId, content, contentType, partNum, artifacts;\n                return {\n                    withHeaders: function(theHeaders) {\n                        headers = theHeaders;\n                        return this;\n                    },\n                    withUploadId: function(theUploadId) {\n                        uploadId = theUploadId;\n                        return this;\n                    },\n                    withContent: function(theContent) {\n                        content = theContent;\n                        return this;\n                    },\n                    withContentType: function(theContentType) {\n                        contentType = theContentType;\n                        return this;\n                    },\n                    withPartNum: function(thePartNum) {\n                        partNum = thePartNum;\n                        return this;\n                    },\n                    getToSign: function(id) {\n                        var sessionToken = credentialsProvider.get().sessionToken, promise = new qq.Promise(), adjustedDate = new Date(Date.now() + options.signatureSpec.drift);\n                        headers[\"x-amz-date\"] = adjustedDate.toUTCString();\n                        if (sessionToken) {\n                            headers[qq.s3.util.SESSION_TOKEN_PARAM_NAME] = sessionToken;\n                        }\n                        getStringToSignArtifacts(id, options.signatureSpec.version, {\n                            bucket: bucket,\n                            content: content,\n                            contentType: contentType,\n                            headers: headers,\n                            host: host,\n                            key: key,\n                            partNum: partNum,\n                            type: type,\n                            uploadId: uploadId\n                        }).then(function(_artifacts_) {\n                            artifacts = _artifacts_;\n                            promise.success({\n                                headers: function() {\n                                    if (contentType) {\n                                        headers[\"Content-Type\"] = contentType;\n                                    }\n                                    delete headers.Host;\n                                    return headers;\n                                }(),\n                                date: artifacts.date,\n                                endOfUrl: artifacts.endOfUrl,\n                                signedHeaders: artifacts.signedHeaders,\n                                stringToSign: artifacts.toSign,\n                                stringToSignRaw: artifacts.toSignRaw\n                            });\n                        }, function(err) {\n                            promise.failure(err);\n                        });\n                        return promise;\n                    },\n                    getHeaders: function() {\n                        return qq.extend({}, headers);\n                    },\n                    getEndOfUrl: function() {\n                        return artifacts && artifacts.endOfUrl;\n                    },\n                    getRequestDate: function() {\n                        return artifacts && artifacts.date;\n                    },\n                    getSignedHeaders: function() {\n                        return artifacts && artifacts.signedHeaders;\n                    }\n                };\n            }\n        });\n    };\n    qq.s3.RequestSigner.prototype.REQUEST_TYPE = {\n        MULTIPART_INITIATE: \"multipart_initiate\",\n        MULTIPART_COMPLETE: \"multipart_complete\",\n        MULTIPART_ABORT: \"multipart_abort\",\n        MULTIPART_UPLOAD: \"multipart_upload\"\n    };\n    qq.UploadSuccessAjaxRequester = function(o) {\n        \"use strict\";\n        var requester, pendingRequests = [], options = {\n            method: \"POST\",\n            endpoint: null,\n            maxConnections: 3,\n            customHeaders: {},\n            paramsStore: {},\n            cors: {\n                expected: false,\n                sendCredentials: false\n            },\n            log: function(str, level) {}\n        };\n        qq.extend(options, o);\n        function handleSuccessResponse(id, xhrOrXdr, isError) {\n            var promise = pendingRequests[id], responseJson = xhrOrXdr.responseText, successIndicator = {\n                success: true\n            }, failureIndicator = {\n                success: false\n            }, parsedResponse;\n            delete pendingRequests[id];\n            options.log(qq.format(\"Received the following response body to an upload success request for id {}: {}\", id, responseJson));\n            try {\n                parsedResponse = qq.parseJson(responseJson);\n                if (isError || parsedResponse && (parsedResponse.error || parsedResponse.success === false)) {\n                    options.log(\"Upload success request was rejected by the server.\", \"error\");\n                    promise.failure(qq.extend(parsedResponse, failureIndicator));\n                } else {\n                    options.log(\"Upload success was acknowledged by the server.\");\n                    promise.success(qq.extend(parsedResponse, successIndicator));\n                }\n            } catch (error) {\n                if (isError) {\n                    options.log(qq.format(\"Your server indicated failure in its upload success request response for id {}!\", id), \"error\");\n                    promise.failure(failureIndicator);\n                } else {\n                    options.log(\"Upload success was acknowledged by the server.\");\n                    promise.success(successIndicator);\n                }\n            }\n        }\n        requester = qq.extend(this, new qq.AjaxRequester({\n            acceptHeader: \"application/json\",\n            method: options.method,\n            endpointStore: {\n                get: function() {\n                    return options.endpoint;\n                }\n            },\n            paramsStore: options.paramsStore,\n            maxConnections: options.maxConnections,\n            customHeaders: options.customHeaders,\n            log: options.log,\n            onComplete: handleSuccessResponse,\n            cors: options.cors\n        }));\n        qq.extend(this, {\n            sendSuccessRequest: function(id, spec) {\n                var promise = new qq.Promise();\n                options.log(\"Submitting upload success request/notification for \" + id);\n                requester.initTransport(id).withParams(spec).send();\n                pendingRequests[id] = promise;\n                return promise;\n            }\n        });\n    };\n    qq.s3.InitiateMultipartAjaxRequester = function(o) {\n        \"use strict\";\n        var requester, pendingInitiateRequests = {}, options = {\n            filenameParam: \"qqfilename\",\n            method: \"POST\",\n            endpointStore: null,\n            paramsStore: null,\n            signatureSpec: null,\n            aclStore: null,\n            reducedRedundancy: false,\n            serverSideEncryption: false,\n            maxConnections: 3,\n            getContentType: function(id) {},\n            getBucket: function(id) {},\n            getHost: function(id) {},\n            getKey: function(id) {},\n            getName: function(id) {},\n            log: function(str, level) {}\n        }, getSignatureAjaxRequester;\n        qq.extend(options, o);\n        getSignatureAjaxRequester = new qq.s3.RequestSigner({\n            endpointStore: options.endpointStore,\n            signatureSpec: options.signatureSpec,\n            cors: options.cors,\n            log: options.log\n        });\n        function getHeaders(id) {\n            var bucket = options.getBucket(id), host = options.getHost(id), headers = {}, promise = new qq.Promise(), key = options.getKey(id), signatureConstructor;\n            headers[\"x-amz-acl\"] = options.aclStore.get(id);\n            if (options.reducedRedundancy) {\n                headers[qq.s3.util.REDUCED_REDUNDANCY_PARAM_NAME] = qq.s3.util.REDUCED_REDUNDANCY_PARAM_VALUE;\n            }\n            if (options.serverSideEncryption) {\n                headers[qq.s3.util.SERVER_SIDE_ENCRYPTION_PARAM_NAME] = qq.s3.util.SERVER_SIDE_ENCRYPTION_PARAM_VALUE;\n            }\n            headers[qq.s3.util.AWS_PARAM_PREFIX + options.filenameParam] = encodeURIComponent(options.getName(id));\n            qq.each(options.paramsStore.get(id), function(name, val) {\n                if (qq.indexOf(qq.s3.util.UNPREFIXED_PARAM_NAMES, name) >= 0) {\n                    headers[name] = val;\n                } else {\n                    headers[qq.s3.util.AWS_PARAM_PREFIX + name] = encodeURIComponent(val);\n                }\n            });\n            signatureConstructor = getSignatureAjaxRequester.constructStringToSign(getSignatureAjaxRequester.REQUEST_TYPE.MULTIPART_INITIATE, bucket, host, key).withContentType(options.getContentType(id)).withHeaders(headers);\n            getSignatureAjaxRequester.getSignature(id, {\n                signatureConstructor: signatureConstructor\n            }).then(promise.success, promise.failure);\n            return promise;\n        }\n        function handleInitiateRequestComplete(id, xhr, isError) {\n            var promise = pendingInitiateRequests[id], domParser = new DOMParser(), responseDoc = domParser.parseFromString(xhr.responseText, \"application/xml\"), uploadIdElements, messageElements, uploadId, errorMessage, status;\n            delete pendingInitiateRequests[id];\n            if (isError) {\n                status = xhr.status;\n                messageElements = responseDoc.getElementsByTagName(\"Message\");\n                if (messageElements.length > 0) {\n                    errorMessage = messageElements[0].textContent;\n                }\n            } else {\n                uploadIdElements = responseDoc.getElementsByTagName(\"UploadId\");\n                if (uploadIdElements.length > 0) {\n                    uploadId = uploadIdElements[0].textContent;\n                } else {\n                    errorMessage = \"Upload ID missing from request\";\n                }\n            }\n            if (uploadId === undefined) {\n                if (errorMessage) {\n                    options.log(qq.format(\"Specific problem detected initiating multipart upload request for {}: '{}'.\", id, errorMessage), \"error\");\n                } else {\n                    options.log(qq.format(\"Unexplained error with initiate multipart upload request for {}.  Status code {}.\", id, status), \"error\");\n                }\n                promise.failure(\"Problem initiating upload request.\", xhr);\n            } else {\n                options.log(qq.format(\"Initiate multipart upload request successful for {}.  Upload ID is {}\", id, uploadId));\n                promise.success(uploadId, xhr);\n            }\n        }\n        requester = qq.extend(this, new qq.AjaxRequester({\n            method: options.method,\n            contentType: null,\n            endpointStore: options.endpointStore,\n            maxConnections: options.maxConnections,\n            allowXRequestedWithAndCacheControl: false,\n            log: options.log,\n            onComplete: handleInitiateRequestComplete,\n            successfulResponseCodes: {\n                POST: [ 200 ]\n            }\n        }));\n        qq.extend(this, {\n            send: function(id) {\n                var promise = new qq.Promise();\n                getHeaders(id).then(function(headers, endOfUrl) {\n                    options.log(\"Submitting S3 initiate multipart upload request for \" + id);\n                    pendingInitiateRequests[id] = promise;\n                    requester.initTransport(id).withPath(endOfUrl).withHeaders(headers).send();\n                }, promise.failure);\n                return promise;\n            }\n        });\n    };\n    qq.s3.CompleteMultipartAjaxRequester = function(o) {\n        \"use strict\";\n        var requester, pendingCompleteRequests = {}, options = {\n            method: \"POST\",\n            contentType: \"text/xml\",\n            endpointStore: null,\n            signatureSpec: null,\n            maxConnections: 3,\n            getBucket: function(id) {},\n            getHost: function(id) {},\n            getKey: function(id) {},\n            log: function(str, level) {}\n        }, getSignatureAjaxRequester;\n        qq.extend(options, o);\n        getSignatureAjaxRequester = new qq.s3.RequestSigner({\n            endpointStore: options.endpointStore,\n            signatureSpec: options.signatureSpec,\n            cors: options.cors,\n            log: options.log\n        });\n        function getHeaders(id, uploadId, body) {\n            var headers = {}, promise = new qq.Promise(), bucket = options.getBucket(id), host = options.getHost(id), signatureConstructor = getSignatureAjaxRequester.constructStringToSign(getSignatureAjaxRequester.REQUEST_TYPE.MULTIPART_COMPLETE, bucket, host, options.getKey(id)).withUploadId(uploadId).withContent(body).withContentType(\"application/xml; charset=UTF-8\");\n            getSignatureAjaxRequester.getSignature(id, {\n                signatureConstructor: signatureConstructor\n            }).then(promise.success, promise.failure);\n            return promise;\n        }\n        function handleCompleteRequestComplete(id, xhr, isError) {\n            var promise = pendingCompleteRequests[id], domParser = new DOMParser(), bucket = options.getBucket(id), key = options.getKey(id), responseDoc = domParser.parseFromString(xhr.responseText, \"application/xml\"), bucketEls = responseDoc.getElementsByTagName(\"Bucket\"), keyEls = responseDoc.getElementsByTagName(\"Key\");\n            delete pendingCompleteRequests[id];\n            options.log(qq.format(\"Complete response status {}, body = {}\", xhr.status, xhr.responseText));\n            if (isError) {\n                options.log(qq.format(\"Complete Multipart Upload request for {} failed with status {}.\", id, xhr.status), \"error\");\n            } else {\n                if (bucketEls.length && keyEls.length) {\n                    if (bucketEls[0].textContent !== bucket) {\n                        isError = true;\n                        options.log(qq.format(\"Wrong bucket in response to Complete Multipart Upload request for {}.\", id), \"error\");\n                    }\n                } else {\n                    isError = true;\n                    options.log(qq.format(\"Missing bucket and/or key in response to Complete Multipart Upload request for {}.\", id), \"error\");\n                }\n            }\n            if (isError) {\n                promise.failure(\"Problem combining the file parts!\", xhr);\n            } else {\n                promise.success({}, xhr);\n            }\n        }\n        function getCompleteRequestBody(etagEntries) {\n            var doc = document.implementation.createDocument(null, \"CompleteMultipartUpload\", null);\n            etagEntries.sort(function(a, b) {\n                return a.part - b.part;\n            });\n            qq.each(etagEntries, function(idx, etagEntry) {\n                var part = etagEntry.part, etag = etagEntry.etag, partEl = doc.createElement(\"Part\"), partNumEl = doc.createElement(\"PartNumber\"), partNumTextEl = doc.createTextNode(part), etagTextEl = doc.createTextNode(etag), etagEl = doc.createElement(\"ETag\");\n                etagEl.appendChild(etagTextEl);\n                partNumEl.appendChild(partNumTextEl);\n                partEl.appendChild(partNumEl);\n                partEl.appendChild(etagEl);\n                qq(doc).children()[0].appendChild(partEl);\n            });\n            return new XMLSerializer().serializeToString(doc);\n        }\n        requester = qq.extend(this, new qq.AjaxRequester({\n            method: options.method,\n            contentType: \"application/xml; charset=UTF-8\",\n            endpointStore: options.endpointStore,\n            maxConnections: options.maxConnections,\n            allowXRequestedWithAndCacheControl: false,\n            log: options.log,\n            onComplete: handleCompleteRequestComplete,\n            successfulResponseCodes: {\n                POST: [ 200 ]\n            }\n        }));\n        qq.extend(this, {\n            send: function(id, uploadId, etagEntries) {\n                var promise = new qq.Promise(), body = getCompleteRequestBody(etagEntries);\n                getHeaders(id, uploadId, body).then(function(headers, endOfUrl) {\n                    options.log(\"Submitting S3 complete multipart upload request for \" + id);\n                    pendingCompleteRequests[id] = promise;\n                    delete headers[\"Content-Type\"];\n                    requester.initTransport(id).withPath(endOfUrl).withHeaders(headers).withPayload(body).send();\n                }, promise.failure);\n                return promise;\n            }\n        });\n    };\n    qq.s3.AbortMultipartAjaxRequester = function(o) {\n        \"use strict\";\n        var requester, options = {\n            method: \"DELETE\",\n            endpointStore: null,\n            signatureSpec: null,\n            maxConnections: 3,\n            getBucket: function(id) {},\n            getHost: function(id) {},\n            getKey: function(id) {},\n            log: function(str, level) {}\n        }, getSignatureAjaxRequester;\n        qq.extend(options, o);\n        getSignatureAjaxRequester = new qq.s3.RequestSigner({\n            endpointStore: options.endpointStore,\n            signatureSpec: options.signatureSpec,\n            cors: options.cors,\n            log: options.log\n        });\n        function getHeaders(id, uploadId) {\n            var headers = {}, promise = new qq.Promise(), bucket = options.getBucket(id), host = options.getHost(id), signatureConstructor = getSignatureAjaxRequester.constructStringToSign(getSignatureAjaxRequester.REQUEST_TYPE.MULTIPART_ABORT, bucket, host, options.getKey(id)).withUploadId(uploadId);\n            getSignatureAjaxRequester.getSignature(id, {\n                signatureConstructor: signatureConstructor\n            }).then(promise.success, promise.failure);\n            return promise;\n        }\n        function handleAbortRequestComplete(id, xhr, isError) {\n            var domParser = new DOMParser(), responseDoc = domParser.parseFromString(xhr.responseText, \"application/xml\"), errorEls = responseDoc.getElementsByTagName(\"Error\"), awsErrorMsg;\n            options.log(qq.format(\"Abort response status {}, body = {}\", xhr.status, xhr.responseText));\n            if (isError) {\n                options.log(qq.format(\"Abort Multipart Upload request for {} failed with status {}.\", id, xhr.status), \"error\");\n            } else {\n                if (errorEls.length) {\n                    isError = true;\n                    awsErrorMsg = responseDoc.getElementsByTagName(\"Message\")[0].textContent;\n                    options.log(qq.format(\"Failed to Abort Multipart Upload request for {}.  Error: {}\", id, awsErrorMsg), \"error\");\n                } else {\n                    options.log(qq.format(\"Abort MPU request succeeded for file ID {}.\", id));\n                }\n            }\n        }\n        requester = qq.extend(this, new qq.AjaxRequester({\n            validMethods: [ \"DELETE\" ],\n            method: options.method,\n            contentType: null,\n            endpointStore: options.endpointStore,\n            maxConnections: options.maxConnections,\n            allowXRequestedWithAndCacheControl: false,\n            log: options.log,\n            onComplete: handleAbortRequestComplete,\n            successfulResponseCodes: {\n                DELETE: [ 204 ]\n            }\n        }));\n        qq.extend(this, {\n            send: function(id, uploadId) {\n                getHeaders(id, uploadId).then(function(headers, endOfUrl) {\n                    options.log(\"Submitting S3 Abort multipart upload request for \" + id);\n                    requester.initTransport(id).withPath(endOfUrl).withHeaders(headers).send();\n                });\n            }\n        });\n    };\n    qq.s3.XhrUploadHandler = function(spec, proxy) {\n        \"use strict\";\n        var getName = proxy.getName, log = proxy.log, clockDrift = spec.clockDrift, expectedStatus = 200, onGetBucket = spec.getBucket, onGetHost = spec.getHost, onGetKeyName = spec.getKeyName, filenameParam = spec.filenameParam, paramsStore = spec.paramsStore, endpointStore = spec.endpointStore, aclStore = spec.aclStore, reducedRedundancy = spec.objectProperties.reducedRedundancy, region = spec.objectProperties.region, serverSideEncryption = spec.objectProperties.serverSideEncryption, validation = spec.validation, signature = qq.extend({\n            region: region,\n            drift: clockDrift\n        }, spec.signature), handler = this, credentialsProvider = spec.signature.credentialsProvider, chunked = {\n            combine: function(id) {\n                var uploadId = handler._getPersistableData(id).uploadId, etagMap = handler._getPersistableData(id).etags, result = new qq.Promise();\n                requesters.completeMultipart.send(id, uploadId, etagMap).then(result.success, function failure(reason, xhr) {\n                    result.failure(upload.done(id, xhr).response, xhr);\n                });\n                return result;\n            },\n            done: function(id, xhr, chunkIdx) {\n                var response = upload.response.parse(id, xhr), etag;\n                if (response.success) {\n                    etag = xhr.getResponseHeader(\"ETag\");\n                    if (!handler._getPersistableData(id).etags) {\n                        handler._getPersistableData(id).etags = [];\n                    }\n                    handler._getPersistableData(id).etags.push({\n                        part: chunkIdx + 1,\n                        etag: etag\n                    });\n                }\n            },\n            initHeaders: function(id, chunkIdx, blob) {\n                var headers = {}, bucket = upload.bucket.getName(id), host = upload.host.getName(id), key = upload.key.urlSafe(id), promise = new qq.Promise(), signatureConstructor = requesters.restSignature.constructStringToSign(requesters.restSignature.REQUEST_TYPE.MULTIPART_UPLOAD, bucket, host, key).withPartNum(chunkIdx + 1).withContent(blob).withUploadId(handler._getPersistableData(id).uploadId);\n                requesters.restSignature.getSignature(id + \".\" + chunkIdx, {\n                    signatureConstructor: signatureConstructor\n                }).then(promise.success, promise.failure);\n                return promise;\n            },\n            put: function(id, chunkIdx) {\n                var xhr = handler._createXhr(id, chunkIdx), chunkData = handler._getChunkData(id, chunkIdx), domain = spec.endpointStore.get(id), promise = new qq.Promise();\n                chunked.initHeaders(id, chunkIdx, chunkData.blob).then(function(headers, endOfUrl) {\n                    if (xhr._cancelled) {\n                        log(qq.format(\"Upload of item {}.{} cancelled. Upload will not start after successful signature request.\", id, chunkIdx));\n                        promise.failure({\n                            error: \"Chunk upload cancelled\"\n                        });\n                    } else {\n                        var url = domain + \"/\" + endOfUrl;\n                        handler._registerProgressHandler(id, chunkIdx, chunkData.size);\n                        upload.track(id, xhr, chunkIdx).then(promise.success, promise.failure);\n                        xhr.open(\"PUT\", url, true);\n                        var hasContentType = false;\n                        qq.each(headers, function(name, val) {\n                            if (name === \"Content-Type\") {\n                                hasContentType = true;\n                            }\n                            xhr.setRequestHeader(name, val);\n                        });\n                        if (!hasContentType) {\n                            xhr.setRequestHeader(\"Content-Type\", \"\");\n                        }\n                        xhr.send(chunkData.blob);\n                    }\n                }, function() {\n                    promise.failure({\n                        error: \"Problem signing the chunk!\"\n                    }, xhr);\n                });\n                return promise;\n            },\n            send: function(id, chunkIdx) {\n                var promise = new qq.Promise();\n                chunked.setup(id).then(function() {\n                    chunked.put(id, chunkIdx).then(promise.success, promise.failure);\n                }, function(errorMessage, xhr) {\n                    promise.failure({\n                        error: errorMessage\n                    }, xhr);\n                });\n                return promise;\n            },\n            setup: function(id) {\n                var promise = new qq.Promise(), uploadId = handler._getPersistableData(id).uploadId, uploadIdPromise = new qq.Promise();\n                if (!uploadId) {\n                    handler._getPersistableData(id).uploadId = uploadIdPromise;\n                    requesters.initiateMultipart.send(id).then(function(uploadId) {\n                        handler._getPersistableData(id).uploadId = uploadId;\n                        uploadIdPromise.success(uploadId);\n                        promise.success(uploadId);\n                    }, function(errorMsg, xhr) {\n                        handler._getPersistableData(id).uploadId = null;\n                        promise.failure(errorMsg, xhr);\n                        uploadIdPromise.failure(errorMsg, xhr);\n                    });\n                } else if (uploadId instanceof qq.Promise) {\n                    uploadId.then(function(uploadId) {\n                        promise.success(uploadId);\n                    });\n                } else {\n                    promise.success(uploadId);\n                }\n                return promise;\n            }\n        }, requesters = {\n            abortMultipart: new qq.s3.AbortMultipartAjaxRequester({\n                endpointStore: endpointStore,\n                signatureSpec: signature,\n                cors: spec.cors,\n                log: log,\n                getBucket: function(id) {\n                    return upload.bucket.getName(id);\n                },\n                getHost: function(id) {\n                    return upload.host.getName(id);\n                },\n                getKey: function(id) {\n                    return upload.key.urlSafe(id);\n                }\n            }),\n            completeMultipart: new qq.s3.CompleteMultipartAjaxRequester({\n                endpointStore: endpointStore,\n                signatureSpec: signature,\n                cors: spec.cors,\n                log: log,\n                getBucket: function(id) {\n                    return upload.bucket.getName(id);\n                },\n                getHost: function(id) {\n                    return upload.host.getName(id);\n                },\n                getKey: function(id) {\n                    return upload.key.urlSafe(id);\n                }\n            }),\n            initiateMultipart: new qq.s3.InitiateMultipartAjaxRequester({\n                filenameParam: filenameParam,\n                endpointStore: endpointStore,\n                paramsStore: paramsStore,\n                signatureSpec: signature,\n                aclStore: aclStore,\n                reducedRedundancy: reducedRedundancy,\n                serverSideEncryption: serverSideEncryption,\n                cors: spec.cors,\n                log: log,\n                getContentType: function(id) {\n                    return handler._getMimeType(id);\n                },\n                getBucket: function(id) {\n                    return upload.bucket.getName(id);\n                },\n                getHost: function(id) {\n                    return upload.host.getName(id);\n                },\n                getKey: function(id) {\n                    return upload.key.urlSafe(id);\n                },\n                getName: function(id) {\n                    return getName(id);\n                }\n            }),\n            policySignature: new qq.s3.RequestSigner({\n                expectingPolicy: true,\n                signatureSpec: signature,\n                cors: spec.cors,\n                log: log\n            }),\n            restSignature: new qq.s3.RequestSigner({\n                endpointStore: endpointStore,\n                signatureSpec: signature,\n                cors: spec.cors,\n                log: log\n            })\n        }, simple = {\n            initParams: function(id) {\n                var customParams = paramsStore.get(id);\n                customParams[filenameParam] = getName(id);\n                return qq.s3.util.generateAwsParams({\n                    endpoint: endpointStore.get(id),\n                    clockDrift: clockDrift,\n                    params: customParams,\n                    type: handler._getMimeType(id),\n                    bucket: upload.bucket.getName(id),\n                    key: handler.getThirdPartyFileId(id),\n                    accessKey: credentialsProvider.get().accessKey,\n                    sessionToken: credentialsProvider.get().sessionToken,\n                    acl: aclStore.get(id),\n                    expectedStatus: expectedStatus,\n                    minFileSize: validation.minSizeLimit,\n                    maxFileSize: validation.maxSizeLimit,\n                    reducedRedundancy: reducedRedundancy,\n                    region: region,\n                    serverSideEncryption: serverSideEncryption,\n                    signatureVersion: signature.version,\n                    log: log\n                }, qq.bind(requesters.policySignature.getSignature, this, id));\n            },\n            send: function(id) {\n                var promise = new qq.Promise(), xhr = handler._createXhr(id), fileOrBlob = handler.getFile(id);\n                handler._registerProgressHandler(id);\n                upload.track(id, xhr).then(promise.success, promise.failure);\n                simple.setup(id, xhr, fileOrBlob).then(function(toSend) {\n                    log(\"Sending upload request for \" + id);\n                    xhr.send(toSend);\n                }, promise.failure);\n                return promise;\n            },\n            setup: function(id, xhr, fileOrBlob) {\n                var formData = new FormData(), endpoint = endpointStore.get(id), url = endpoint, promise = new qq.Promise();\n                simple.initParams(id).then(function(awsParams) {\n                    xhr.open(\"POST\", url, true);\n                    qq.obj2FormData(awsParams, formData);\n                    formData.append(\"file\", fileOrBlob);\n                    promise.success(formData);\n                }, function(errorMessage) {\n                    promise.failure({\n                        error: errorMessage\n                    });\n                });\n                return promise;\n            }\n        }, upload = {\n            bucket: {\n                promise: function(id) {\n                    var promise = new qq.Promise(), cachedBucket = handler._getFileState(id).bucket;\n                    if (cachedBucket) {\n                        promise.success(cachedBucket);\n                    } else {\n                        onGetBucket(id).then(function(bucket) {\n                            handler._getFileState(id).bucket = bucket;\n                            promise.success(bucket);\n                        }, promise.failure);\n                    }\n                    return promise;\n                },\n                getName: function(id) {\n                    return handler._getFileState(id).bucket;\n                }\n            },\n            host: {\n                promise: function(id) {\n                    var promise = new qq.Promise(), cachedHost = handler._getFileState(id).host;\n                    if (cachedHost) {\n                        promise.success(cachedHost);\n                    } else {\n                        onGetHost(id).then(function(host) {\n                            handler._getFileState(id).host = host;\n                            promise.success(host);\n                        }, promise.failure);\n                    }\n                    return promise;\n                },\n                getName: function(id) {\n                    return handler._getFileState(id).host;\n                }\n            },\n            done: function(id, xhr) {\n                var response = upload.response.parse(id, xhr), isError = response.success !== true;\n                if (isError && upload.response.shouldReset(response.code)) {\n                    log(\"This is an unrecoverable error, we must restart the upload entirely on the next retry attempt.\", \"error\");\n                    response.reset = true;\n                }\n                return {\n                    success: !isError,\n                    response: response\n                };\n            },\n            key: {\n                promise: function(id) {\n                    var promise = new qq.Promise(), key = handler.getThirdPartyFileId(id);\n                    if (key == null) {\n                        handler._setThirdPartyFileId(id, promise);\n                        onGetKeyName(id, getName(id)).then(function(keyName) {\n                            handler._setThirdPartyFileId(id, keyName);\n                            promise.success(keyName);\n                        }, function(errorReason) {\n                            handler._setThirdPartyFileId(id, null);\n                            promise.failure(errorReason);\n                        });\n                    } else if (qq.isGenericPromise(key)) {\n                        key.then(promise.success, promise.failure);\n                    } else {\n                        promise.success(key);\n                    }\n                    return promise;\n                },\n                urlSafe: function(id) {\n                    var encodedKey = handler.getThirdPartyFileId(id);\n                    return qq.s3.util.uriEscapePath(encodedKey);\n                }\n            },\n            response: {\n                parse: function(id, xhr) {\n                    var response = {}, parsedErrorProps;\n                    try {\n                        log(qq.format(\"Received response status {} with body: {}\", xhr.status, xhr.responseText));\n                        if (xhr.status === expectedStatus) {\n                            response.success = true;\n                        } else {\n                            parsedErrorProps = upload.response.parseError(xhr.responseText);\n                            if (parsedErrorProps) {\n                                response.error = parsedErrorProps.message;\n                                response.code = parsedErrorProps.code;\n                            }\n                        }\n                    } catch (error) {\n                        log(\"Error when attempting to parse xhr response text (\" + error.message + \")\", \"error\");\n                    }\n                    return response;\n                },\n                parseError: function(awsResponseXml) {\n                    var parser = new DOMParser(), parsedDoc = parser.parseFromString(awsResponseXml, \"application/xml\"), errorEls = parsedDoc.getElementsByTagName(\"Error\"), errorDetails = {}, codeEls, messageEls;\n                    if (errorEls.length) {\n                        codeEls = parsedDoc.getElementsByTagName(\"Code\");\n                        messageEls = parsedDoc.getElementsByTagName(\"Message\");\n                        if (messageEls.length) {\n                            errorDetails.message = messageEls[0].textContent;\n                        }\n                        if (codeEls.length) {\n                            errorDetails.code = codeEls[0].textContent;\n                        }\n                        return errorDetails;\n                    }\n                },\n                shouldReset: function(errorCode) {\n                    return errorCode === \"EntityTooSmall\" || errorCode === \"InvalidPart\" || errorCode === \"InvalidPartOrder\" || errorCode === \"NoSuchUpload\";\n                }\n            },\n            start: function(params) {\n                var id = params.id;\n                var optChunkIdx = params.chunkIdx;\n                var promise = new qq.Promise();\n                upload.key.promise(id).then(function() {\n                    upload.bucket.promise(id).then(function() {\n                        upload.host.promise(id).then(function() {\n                            if (optChunkIdx == null) {\n                                simple.send(id).then(promise.success, promise.failure);\n                            } else {\n                                chunked.send(id, optChunkIdx).then(promise.success, promise.failure);\n                            }\n                        });\n                    });\n                }, function(errorReason) {\n                    promise.failure({\n                        error: errorReason\n                    });\n                });\n                return promise;\n            },\n            track: function(id, xhr, optChunkIdx) {\n                var promise = new qq.Promise();\n                xhr.onreadystatechange = function() {\n                    if (xhr.readyState === 4) {\n                        var result;\n                        if (optChunkIdx == null) {\n                            result = upload.done(id, xhr);\n                            promise[result.success ? \"success\" : \"failure\"](result.response, xhr);\n                        } else {\n                            chunked.done(id, xhr, optChunkIdx);\n                            result = upload.done(id, xhr);\n                            promise[result.success ? \"success\" : \"failure\"](result.response, xhr);\n                        }\n                    }\n                };\n                return promise;\n            }\n        };\n        qq.extend(this, {\n            uploadChunk: upload.start,\n            uploadFile: function(id) {\n                return upload.start({\n                    id: id\n                });\n            }\n        });\n        qq.extend(this, new qq.XhrUploadHandler({\n            options: qq.extend({\n                namespace: \"s3\"\n            }, spec),\n            proxy: qq.extend({\n                getEndpoint: spec.endpointStore.get\n            }, proxy)\n        }));\n        qq.override(this, function(super_) {\n            return {\n                expunge: function(id) {\n                    var uploadId = handler._getPersistableData(id) && handler._getPersistableData(id).uploadId, existedInLocalStorage = handler._maybeDeletePersistedChunkData(id);\n                    if (uploadId !== undefined && existedInLocalStorage) {\n                        requesters.abortMultipart.send(id, uploadId);\n                    }\n                    super_.expunge(id);\n                },\n                finalizeChunks: function(id) {\n                    return chunked.combine(id);\n                },\n                _getLocalStorageId: function(id) {\n                    var baseStorageId = super_._getLocalStorageId(id), bucketName = upload.bucket.getName(id);\n                    return baseStorageId + \"-\" + bucketName;\n                }\n            };\n        });\n    };\n    qq.s3.FormUploadHandler = function(options, proxy) {\n        \"use strict\";\n        var handler = this, clockDrift = options.clockDrift, onUuidChanged = proxy.onUuidChanged, getName = proxy.getName, getUuid = proxy.getUuid, log = proxy.log, onGetBucket = options.getBucket, onGetKeyName = options.getKeyName, filenameParam = options.filenameParam, paramsStore = options.paramsStore, endpointStore = options.endpointStore, aclStore = options.aclStore, reducedRedundancy = options.objectProperties.reducedRedundancy, region = options.objectProperties.region, serverSideEncryption = options.objectProperties.serverSideEncryption, validation = options.validation, signature = options.signature, successRedirectUrl = options.iframeSupport.localBlankPagePath, credentialsProvider = options.signature.credentialsProvider, getSignatureAjaxRequester = new qq.s3.RequestSigner({\n            signatureSpec: signature,\n            cors: options.cors,\n            log: log\n        });\n        if (successRedirectUrl === undefined) {\n            throw new Error(\"successRedirectEndpoint MUST be defined if you intend to use browsers that do not support the File API!\");\n        }\n        function isValidResponse(id, iframe) {\n            var response, endpoint = options.endpointStore.get(id), bucket = handler._getFileState(id).bucket, doc, innerHtml, responseData;\n            try {\n                doc = iframe.contentDocument || iframe.contentWindow.document;\n                innerHtml = doc.body.innerHTML;\n                responseData = qq.s3.util.parseIframeResponse(iframe);\n                if (responseData.bucket === bucket && responseData.key === qq.s3.util.encodeQueryStringParam(handler.getThirdPartyFileId(id))) {\n                    return true;\n                }\n                log(\"Response from AWS included an unexpected bucket or key name.\", \"error\");\n            } catch (error) {\n                log(\"Error when attempting to parse form upload response (\" + error.message + \")\", \"error\");\n            }\n            return false;\n        }\n        function generateAwsParams(id) {\n            var customParams = paramsStore.get(id);\n            customParams[filenameParam] = getName(id);\n            return qq.s3.util.generateAwsParams({\n                endpoint: endpointStore.get(id),\n                clockDrift: clockDrift,\n                params: customParams,\n                bucket: handler._getFileState(id).bucket,\n                key: handler.getThirdPartyFileId(id),\n                accessKey: credentialsProvider.get().accessKey,\n                sessionToken: credentialsProvider.get().sessionToken,\n                acl: aclStore.get(id),\n                minFileSize: validation.minSizeLimit,\n                maxFileSize: validation.maxSizeLimit,\n                successRedirectUrl: successRedirectUrl,\n                reducedRedundancy: reducedRedundancy,\n                region: region,\n                serverSideEncryption: serverSideEncryption,\n                signatureVersion: signature.version,\n                log: log\n            }, qq.bind(getSignatureAjaxRequester.getSignature, this, id));\n        }\n        function createForm(id, iframe) {\n            var promise = new qq.Promise(), method = \"POST\", endpoint = options.endpointStore.get(id), fileName = getName(id);\n            generateAwsParams(id).then(function(params) {\n                var form = handler._initFormForUpload({\n                    method: method,\n                    endpoint: endpoint,\n                    params: params,\n                    paramsInBody: true,\n                    targetName: iframe.name\n                });\n                promise.success(form);\n            }, function(errorMessage) {\n                promise.failure(errorMessage);\n                handleFinishedUpload(id, iframe, fileName, {\n                    error: errorMessage\n                });\n            });\n            return promise;\n        }\n        function handleUpload(id) {\n            var iframe = handler._createIframe(id), input = handler.getInput(id), promise = new qq.Promise();\n            createForm(id, iframe).then(function(form) {\n                form.appendChild(input);\n                handler._attachLoadEvent(iframe, function(response) {\n                    log(\"iframe loaded\");\n                    if (response) {\n                        if (response.success === false) {\n                            log(\"Amazon likely rejected the upload request\", \"error\");\n                            promise.failure(response);\n                        }\n                    } else {\n                        response = {};\n                        response.success = isValidResponse(id, iframe);\n                        if (response.success === false) {\n                            log(\"A success response was received by Amazon, but it was invalid in some way.\", \"error\");\n                            promise.failure(response);\n                        } else {\n                            qq.extend(response, qq.s3.util.parseIframeResponse(iframe));\n                            promise.success(response);\n                        }\n                    }\n                    handleFinishedUpload(id, iframe);\n                });\n                log(\"Sending upload request for \" + id);\n                form.submit();\n                qq(form).remove();\n            }, promise.failure);\n            return promise;\n        }\n        function handleFinishedUpload(id, iframe) {\n            handler._detachLoadEvent(id);\n            iframe && qq(iframe).remove();\n        }\n        qq.extend(this, new qq.FormUploadHandler({\n            options: {\n                isCors: false,\n                inputName: \"file\"\n            },\n            proxy: {\n                onCancel: options.onCancel,\n                onUuidChanged: onUuidChanged,\n                getName: getName,\n                getUuid: getUuid,\n                log: log\n            }\n        }));\n        qq.extend(this, {\n            uploadFile: function(id) {\n                var name = getName(id), promise = new qq.Promise();\n                if (handler.getThirdPartyFileId(id)) {\n                    if (handler._getFileState(id).bucket) {\n                        handleUpload(id).then(promise.success, promise.failure);\n                    } else {\n                        onGetBucket(id).then(function(bucket) {\n                            handler._getFileState(id).bucket = bucket;\n                            handleUpload(id).then(promise.success, promise.failure);\n                        });\n                    }\n                } else {\n                    onGetKeyName(id, name).then(function(key) {\n                        onGetBucket(id).then(function(bucket) {\n                            handler._getFileState(id).bucket = bucket;\n                            handler._setThirdPartyFileId(id, key);\n                            handleUpload(id).then(promise.success, promise.failure);\n                        }, function(errorReason) {\n                            promise.failure({\n                                error: errorReason\n                            });\n                        });\n                    }, function(errorReason) {\n                        promise.failure({\n                            error: errorReason\n                        });\n                    });\n                }\n                return promise;\n            }\n        });\n    };\n    qq.DragAndDrop = function(o) {\n        \"use strict\";\n        var options, HIDE_ZONES_EVENT_NAME = \"qq-hidezones\", HIDE_BEFORE_ENTER_ATTR = \"qq-hide-dropzone\", uploadDropZones = [], droppedFiles = [], disposeSupport = new qq.DisposeSupport();\n        options = {\n            dropZoneElements: [],\n            allowMultipleItems: true,\n            classes: {\n                dropActive: null\n            },\n            callbacks: new qq.DragAndDrop.callbacks()\n        };\n        qq.extend(options, o, true);\n        function uploadDroppedFiles(files, uploadDropZone) {\n            var filesAsArray = Array.prototype.slice.call(files);\n            options.callbacks.dropLog(\"Grabbed \" + files.length + \" dropped files.\");\n            uploadDropZone.dropDisabled(false);\n            options.callbacks.processingDroppedFilesComplete(filesAsArray, uploadDropZone.getElement());\n        }\n        function traverseFileTree(entry) {\n            var parseEntryPromise = new qq.Promise();\n            if (entry.isFile) {\n                entry.file(function(file) {\n                    file.qqPath = extractDirectoryPath(entry);\n                    droppedFiles.push(file);\n                    parseEntryPromise.success();\n                }, function(fileError) {\n                    options.callbacks.dropLog(\"Problem parsing '\" + entry.fullPath + \"'.  FileError code \" + fileError.code + \".\", \"error\");\n                    parseEntryPromise.failure();\n                });\n            } else if (entry.isDirectory) {\n                getFilesInDirectory(entry).then(function allEntriesRead(entries) {\n                    var entriesLeft = entries.length;\n                    qq.each(entries, function(idx, entry) {\n                        traverseFileTree(entry).done(function() {\n                            entriesLeft -= 1;\n                            if (entriesLeft === 0) {\n                                parseEntryPromise.success();\n                            }\n                        });\n                    });\n                    if (!entries.length) {\n                        parseEntryPromise.success();\n                    }\n                }, function readFailure(fileError) {\n                    options.callbacks.dropLog(\"Problem parsing '\" + entry.fullPath + \"'.  FileError code \" + fileError.code + \".\", \"error\");\n                    parseEntryPromise.failure();\n                });\n            }\n            return parseEntryPromise;\n        }\n        function extractDirectoryPath(entry) {\n            var name = entry.name, fullPath = entry.fullPath, indexOfNameInFullPath = fullPath.lastIndexOf(name);\n            fullPath = fullPath.substr(0, indexOfNameInFullPath);\n            if (fullPath.charAt(0) === \"/\") {\n                fullPath = fullPath.substr(1);\n            }\n            return fullPath;\n        }\n        function getFilesInDirectory(entry, reader, accumEntries, existingPromise) {\n            var promise = existingPromise || new qq.Promise(), dirReader = reader || entry.createReader();\n            dirReader.readEntries(function readSuccess(entries) {\n                var newEntries = accumEntries ? accumEntries.concat(entries) : entries;\n                if (entries.length) {\n                    setTimeout(function() {\n                        getFilesInDirectory(entry, dirReader, newEntries, promise);\n                    }, 0);\n                } else {\n                    promise.success(newEntries);\n                }\n            }, promise.failure);\n            return promise;\n        }\n        function handleDataTransfer(dataTransfer, uploadDropZone) {\n            var pendingFolderPromises = [], handleDataTransferPromise = new qq.Promise();\n            options.callbacks.processingDroppedFiles();\n            uploadDropZone.dropDisabled(true);\n            if (dataTransfer.files.length > 1 && !options.allowMultipleItems) {\n                options.callbacks.processingDroppedFilesComplete([]);\n                options.callbacks.dropError(\"tooManyFilesError\", \"\");\n                uploadDropZone.dropDisabled(false);\n                handleDataTransferPromise.failure();\n            } else {\n                droppedFiles = [];\n                if (qq.isFolderDropSupported(dataTransfer)) {\n                    qq.each(dataTransfer.items, function(idx, item) {\n                        var entry = item.webkitGetAsEntry();\n                        if (entry) {\n                            if (entry.isFile) {\n                                droppedFiles.push(item.getAsFile());\n                            } else {\n                                pendingFolderPromises.push(traverseFileTree(entry).done(function() {\n                                    pendingFolderPromises.pop();\n                                    if (pendingFolderPromises.length === 0) {\n                                        handleDataTransferPromise.success();\n                                    }\n                                }));\n                            }\n                        }\n                    });\n                } else {\n                    droppedFiles = dataTransfer.files;\n                }\n                if (pendingFolderPromises.length === 0) {\n                    handleDataTransferPromise.success();\n                }\n            }\n            return handleDataTransferPromise;\n        }\n        function setupDropzone(dropArea) {\n            var dropZone = new qq.UploadDropZone({\n                HIDE_ZONES_EVENT_NAME: HIDE_ZONES_EVENT_NAME,\n                element: dropArea,\n                onEnter: function(e) {\n                    qq(dropArea).addClass(options.classes.dropActive);\n                    e.stopPropagation();\n                },\n                onLeaveNotDescendants: function(e) {\n                    qq(dropArea).removeClass(options.classes.dropActive);\n                },\n                onDrop: function(e) {\n                    handleDataTransfer(e.dataTransfer, dropZone).then(function() {\n                        uploadDroppedFiles(droppedFiles, dropZone);\n                    }, function() {\n                        options.callbacks.dropLog(\"Drop event DataTransfer parsing failed.  No files will be uploaded.\", \"error\");\n                    });\n                }\n            });\n            disposeSupport.addDisposer(function() {\n                dropZone.dispose();\n            });\n            qq(dropArea).hasAttribute(HIDE_BEFORE_ENTER_ATTR) && qq(dropArea).hide();\n            uploadDropZones.push(dropZone);\n            return dropZone;\n        }\n        function isFileDrag(dragEvent) {\n            var fileDrag;\n            qq.each(dragEvent.dataTransfer.types, function(key, val) {\n                if (val === \"Files\") {\n                    fileDrag = true;\n                    return false;\n                }\n            });\n            return fileDrag;\n        }\n        function leavingDocumentOut(e) {\n            if (qq.safari()) {\n                return e.x < 0 || e.y < 0;\n            }\n            return e.x === 0 && e.y === 0;\n        }\n        function setupDragDrop() {\n            var dropZones = options.dropZoneElements, maybeHideDropZones = function() {\n                setTimeout(function() {\n                    qq.each(dropZones, function(idx, dropZone) {\n                        qq(dropZone).hasAttribute(HIDE_BEFORE_ENTER_ATTR) && qq(dropZone).hide();\n                        qq(dropZone).removeClass(options.classes.dropActive);\n                    });\n                }, 10);\n            };\n            qq.each(dropZones, function(idx, dropZone) {\n                var uploadDropZone = setupDropzone(dropZone);\n                if (dropZones.length && qq.supportedFeatures.fileDrop) {\n                    disposeSupport.attach(document, \"dragenter\", function(e) {\n                        if (!uploadDropZone.dropDisabled() && isFileDrag(e)) {\n                            qq.each(dropZones, function(idx, dropZone) {\n                                if (dropZone instanceof HTMLElement && qq(dropZone).hasAttribute(HIDE_BEFORE_ENTER_ATTR)) {\n                                    qq(dropZone).css({\n                                        display: \"block\"\n                                    });\n                                }\n                            });\n                        }\n                    });\n                }\n            });\n            disposeSupport.attach(document, \"dragleave\", function(e) {\n                if (leavingDocumentOut(e)) {\n                    maybeHideDropZones();\n                }\n            });\n            disposeSupport.attach(qq(document).children()[0], \"mouseenter\", function(e) {\n                maybeHideDropZones();\n            });\n            disposeSupport.attach(document, \"drop\", function(e) {\n                if (isFileDrag(e)) {\n                    e.preventDefault();\n                    maybeHideDropZones();\n                }\n            });\n            disposeSupport.attach(document, HIDE_ZONES_EVENT_NAME, maybeHideDropZones);\n        }\n        setupDragDrop();\n        qq.extend(this, {\n            setupExtraDropzone: function(element) {\n                options.dropZoneElements.push(element);\n                setupDropzone(element);\n            },\n            removeDropzone: function(element) {\n                var i, dzs = options.dropZoneElements;\n                for (i in dzs) {\n                    if (dzs[i] === element) {\n                        return dzs.splice(i, 1);\n                    }\n                }\n            },\n            dispose: function() {\n                disposeSupport.dispose();\n                qq.each(uploadDropZones, function(idx, dropZone) {\n                    dropZone.dispose();\n                });\n            }\n        });\n        this._testing = {};\n        this._testing.extractDirectoryPath = extractDirectoryPath;\n    };\n    qq.DragAndDrop.callbacks = function() {\n        \"use strict\";\n        return {\n            processingDroppedFiles: function() {},\n            processingDroppedFilesComplete: function(files, targetEl) {},\n            dropError: function(code, errorSpecifics) {\n                qq.log(\"Drag & drop error code '\" + code + \" with these specifics: '\" + errorSpecifics + \"'\", \"error\");\n            },\n            dropLog: function(message, level) {\n                qq.log(message, level);\n            }\n        };\n    };\n    qq.UploadDropZone = function(o) {\n        \"use strict\";\n        var disposeSupport = new qq.DisposeSupport(), options, element, preventDrop, dropOutsideDisabled;\n        options = {\n            element: null,\n            onEnter: function(e) {},\n            onLeave: function(e) {},\n            onLeaveNotDescendants: function(e) {},\n            onDrop: function(e) {}\n        };\n        qq.extend(options, o);\n        element = options.element;\n        function dragoverShouldBeCanceled() {\n            return qq.safari() || qq.firefox() && qq.windows();\n        }\n        function disableDropOutside(e) {\n            if (!dropOutsideDisabled) {\n                if (dragoverShouldBeCanceled) {\n                    disposeSupport.attach(document, \"dragover\", function(e) {\n                        e.preventDefault();\n                    });\n                } else {\n                    disposeSupport.attach(document, \"dragover\", function(e) {\n                        if (e.dataTransfer) {\n                            e.dataTransfer.dropEffect = \"none\";\n                            e.preventDefault();\n                        }\n                    });\n                }\n                dropOutsideDisabled = true;\n            }\n        }\n        function isValidFileDrag(e) {\n            if (!qq.supportedFeatures.fileDrop) {\n                return false;\n            }\n            var effectTest, dt = e.dataTransfer, isSafari = qq.safari();\n            effectTest = qq.ie() && qq.supportedFeatures.fileDrop ? true : dt.effectAllowed !== \"none\";\n            return dt && effectTest && (dt.files && dt.files.length || !isSafari && dt.types.contains && dt.types.contains(\"Files\") || dt.types.includes && dt.types.includes(\"Files\"));\n        }\n        function isOrSetDropDisabled(isDisabled) {\n            if (isDisabled !== undefined) {\n                preventDrop = isDisabled;\n            }\n            return preventDrop;\n        }\n        function triggerHidezonesEvent() {\n            var hideZonesEvent;\n            function triggerUsingOldApi() {\n                hideZonesEvent = document.createEvent(\"Event\");\n                hideZonesEvent.initEvent(options.HIDE_ZONES_EVENT_NAME, true, true);\n            }\n            if (window.CustomEvent) {\n                try {\n                    hideZonesEvent = new CustomEvent(options.HIDE_ZONES_EVENT_NAME);\n                } catch (err) {\n                    triggerUsingOldApi();\n                }\n            } else {\n                triggerUsingOldApi();\n            }\n            document.dispatchEvent(hideZonesEvent);\n        }\n        function attachEvents() {\n            disposeSupport.attach(element, \"dragover\", function(e) {\n                if (!isValidFileDrag(e)) {\n                    return;\n                }\n                var effect = qq.ie() && qq.supportedFeatures.fileDrop ? null : e.dataTransfer.effectAllowed;\n                if (effect === \"move\" || effect === \"linkMove\") {\n                    e.dataTransfer.dropEffect = \"move\";\n                } else {\n                    e.dataTransfer.dropEffect = \"copy\";\n                }\n                e.stopPropagation();\n                e.preventDefault();\n            });\n            disposeSupport.attach(element, \"dragenter\", function(e) {\n                if (!isOrSetDropDisabled()) {\n                    if (!isValidFileDrag(e)) {\n                        return;\n                    }\n                    options.onEnter(e);\n                }\n            });\n            disposeSupport.attach(element, \"dragleave\", function(e) {\n                if (!isValidFileDrag(e)) {\n                    return;\n                }\n                options.onLeave(e);\n                var relatedTarget = document.elementFromPoint(e.clientX, e.clientY);\n                if (qq(this).contains(relatedTarget)) {\n                    return;\n                }\n                options.onLeaveNotDescendants(e);\n            });\n            disposeSupport.attach(element, \"drop\", function(e) {\n                if (!isOrSetDropDisabled()) {\n                    if (!isValidFileDrag(e)) {\n                        return;\n                    }\n                    e.preventDefault();\n                    e.stopPropagation();\n                    options.onDrop(e);\n                    triggerHidezonesEvent();\n                }\n            });\n        }\n        disableDropOutside();\n        attachEvents();\n        qq.extend(this, {\n            dropDisabled: function(isDisabled) {\n                return isOrSetDropDisabled(isDisabled);\n            },\n            dispose: function() {\n                disposeSupport.dispose();\n            },\n            getElement: function() {\n                return element;\n            }\n        });\n        this._testing = {};\n        this._testing.isValidFileDrag = isValidFileDrag;\n    };\n    (function() {\n        \"use strict\";\n        qq.uiPublicApi = {\n            addInitialFiles: function(cannedFileList) {\n                this._parent.prototype.addInitialFiles.apply(this, arguments);\n                this._templating.addCacheToDom();\n            },\n            clearStoredFiles: function() {\n                this._parent.prototype.clearStoredFiles.apply(this, arguments);\n                this._templating.clearFiles();\n            },\n            addExtraDropzone: function(element) {\n                this._dnd && this._dnd.setupExtraDropzone(element);\n            },\n            removeExtraDropzone: function(element) {\n                if (this._dnd) {\n                    return this._dnd.removeDropzone(element);\n                }\n            },\n            getItemByFileId: function(id) {\n                if (!this._templating.isHiddenForever(id)) {\n                    return this._templating.getFileContainer(id);\n                }\n            },\n            reset: function() {\n                this._parent.prototype.reset.apply(this, arguments);\n                this._templating.reset();\n                if (!this._options.button && this._templating.getButton()) {\n                    this._defaultButtonId = this._createUploadButton({\n                        element: this._templating.getButton(),\n                        title: this._options.text.fileInputTitle\n                    }).getButtonId();\n                }\n                if (this._dnd) {\n                    this._dnd.dispose();\n                    this._dnd = this._setupDragAndDrop();\n                }\n                this._totalFilesInBatch = 0;\n                this._filesInBatchAddedToUi = 0;\n                this._setupClickAndEditEventHandlers();\n            },\n            setName: function(id, newName) {\n                var formattedFilename = this._options.formatFileName(newName);\n                this._parent.prototype.setName.apply(this, arguments);\n                this._templating.updateFilename(id, formattedFilename);\n            },\n            pauseUpload: function(id) {\n                var paused = this._parent.prototype.pauseUpload.apply(this, arguments);\n                paused && this._templating.uploadPaused(id);\n                return paused;\n            },\n            continueUpload: function(id) {\n                var continued = this._parent.prototype.continueUpload.apply(this, arguments);\n                continued && this._templating.uploadContinued(id);\n                return continued;\n            },\n            getId: function(fileContainerOrChildEl) {\n                return this._templating.getFileId(fileContainerOrChildEl);\n            },\n            getDropTarget: function(fileId) {\n                var file = this.getFile(fileId);\n                return file.qqDropTarget;\n            }\n        };\n        qq.uiPrivateApi = {\n            _getButton: function(buttonId) {\n                var button = this._parent.prototype._getButton.apply(this, arguments);\n                if (!button) {\n                    if (buttonId === this._defaultButtonId) {\n                        button = this._templating.getButton();\n                    }\n                }\n                return button;\n            },\n            _removeFileItem: function(fileId) {\n                this._templating.removeFile(fileId);\n            },\n            _setupClickAndEditEventHandlers: function() {\n                this._fileButtonsClickHandler = qq.FileButtonsClickHandler && this._bindFileButtonsClickEvent();\n                this._focusinEventSupported = !qq.firefox();\n                if (this._isEditFilenameEnabled()) {\n                    this._filenameClickHandler = this._bindFilenameClickEvent();\n                    this._filenameInputFocusInHandler = this._bindFilenameInputFocusInEvent();\n                    this._filenameInputFocusHandler = this._bindFilenameInputFocusEvent();\n                }\n            },\n            _setupDragAndDrop: function() {\n                var self = this, dropZoneElements = this._options.dragAndDrop.extraDropzones, templating = this._templating, defaultDropZone = templating.getDropZone();\n                defaultDropZone && dropZoneElements.push(defaultDropZone);\n                return new qq.DragAndDrop({\n                    dropZoneElements: dropZoneElements,\n                    allowMultipleItems: this._options.multiple,\n                    classes: {\n                        dropActive: this._options.classes.dropActive\n                    },\n                    callbacks: {\n                        processingDroppedFiles: function() {\n                            templating.showDropProcessing();\n                        },\n                        processingDroppedFilesComplete: function(files, targetEl) {\n                            templating.hideDropProcessing();\n                            qq.each(files, function(idx, file) {\n                                file.qqDropTarget = targetEl;\n                            });\n                            if (files.length) {\n                                self.addFiles(files, null, null);\n                            }\n                        },\n                        dropError: function(code, errorData) {\n                            self._itemError(code, errorData);\n                        },\n                        dropLog: function(message, level) {\n                            self.log(message, level);\n                        }\n                    }\n                });\n            },\n            _bindFileButtonsClickEvent: function() {\n                var self = this;\n                return new qq.FileButtonsClickHandler({\n                    templating: this._templating,\n                    log: function(message, lvl) {\n                        self.log(message, lvl);\n                    },\n                    onDeleteFile: function(fileId) {\n                        self.deleteFile(fileId);\n                    },\n                    onCancel: function(fileId) {\n                        self.cancel(fileId);\n                    },\n                    onRetry: function(fileId) {\n                        self.retry(fileId);\n                    },\n                    onPause: function(fileId) {\n                        self.pauseUpload(fileId);\n                    },\n                    onContinue: function(fileId) {\n                        self.continueUpload(fileId);\n                    },\n                    onGetName: function(fileId) {\n                        return self.getName(fileId);\n                    }\n                });\n            },\n            _isEditFilenameEnabled: function() {\n                return this._templating.isEditFilenamePossible() && !this._options.autoUpload && qq.FilenameClickHandler && qq.FilenameInputFocusHandler && qq.FilenameInputFocusHandler;\n            },\n            _filenameEditHandler: function() {\n                var self = this, templating = this._templating;\n                return {\n                    templating: templating,\n                    log: function(message, lvl) {\n                        self.log(message, lvl);\n                    },\n                    onGetUploadStatus: function(fileId) {\n                        return self.getUploads({\n                            id: fileId\n                        }).status;\n                    },\n                    onGetName: function(fileId) {\n                        return self.getName(fileId);\n                    },\n                    onSetName: function(id, newName) {\n                        self.setName(id, newName);\n                    },\n                    onEditingStatusChange: function(id, isEditing) {\n                        var qqInput = qq(templating.getEditInput(id)), qqFileContainer = qq(templating.getFileContainer(id));\n                        if (isEditing) {\n                            qqInput.addClass(\"qq-editing\");\n                            templating.hideFilename(id);\n                            templating.hideEditIcon(id);\n                        } else {\n                            qqInput.removeClass(\"qq-editing\");\n                            templating.showFilename(id);\n                            templating.showEditIcon(id);\n                        }\n                        qqFileContainer.addClass(\"qq-temp\").removeClass(\"qq-temp\");\n                    }\n                };\n            },\n            _onUploadStatusChange: function(id, oldStatus, newStatus) {\n                this._parent.prototype._onUploadStatusChange.apply(this, arguments);\n                if (this._isEditFilenameEnabled()) {\n                    if (this._templating.getFileContainer(id) && newStatus !== qq.status.SUBMITTED) {\n                        this._templating.markFilenameEditable(id);\n                        this._templating.hideEditIcon(id);\n                    }\n                }\n                if (oldStatus === qq.status.UPLOAD_RETRYING && newStatus === qq.status.UPLOADING) {\n                    this._templating.hideRetry(id);\n                    this._templating.setStatusText(id);\n                    qq(this._templating.getFileContainer(id)).removeClass(this._classes.retrying);\n                } else if (newStatus === qq.status.UPLOAD_FAILED) {\n                    this._templating.hidePause(id);\n                }\n            },\n            _bindFilenameInputFocusInEvent: function() {\n                var spec = qq.extend({}, this._filenameEditHandler());\n                return new qq.FilenameInputFocusInHandler(spec);\n            },\n            _bindFilenameInputFocusEvent: function() {\n                var spec = qq.extend({}, this._filenameEditHandler());\n                return new qq.FilenameInputFocusHandler(spec);\n            },\n            _bindFilenameClickEvent: function() {\n                var spec = qq.extend({}, this._filenameEditHandler());\n                return new qq.FilenameClickHandler(spec);\n            },\n            _storeForLater: function(id) {\n                this._parent.prototype._storeForLater.apply(this, arguments);\n                this._templating.hideSpinner(id);\n            },\n            _onAllComplete: function(successful, failed) {\n                this._parent.prototype._onAllComplete.apply(this, arguments);\n                this._templating.resetTotalProgress();\n            },\n            _onSubmit: function(id, name) {\n                var file = this.getFile(id);\n                if (file && file.qqPath && this._options.dragAndDrop.reportDirectoryPaths) {\n                    this._paramsStore.addReadOnly(id, {\n                        qqpath: file.qqPath\n                    });\n                }\n                this._parent.prototype._onSubmit.apply(this, arguments);\n                this._addToList(id, name);\n            },\n            _onSubmitted: function(id) {\n                if (this._isEditFilenameEnabled()) {\n                    this._templating.markFilenameEditable(id);\n                    this._templating.showEditIcon(id);\n                    if (!this._focusinEventSupported) {\n                        this._filenameInputFocusHandler.addHandler(this._templating.getEditInput(id));\n                    }\n                }\n            },\n            _onProgress: function(id, name, loaded, total) {\n                this._parent.prototype._onProgress.apply(this, arguments);\n                this._templating.updateProgress(id, loaded, total);\n                if (total === 0 || Math.round(loaded / total * 100) === 100) {\n                    this._templating.hideCancel(id);\n                    this._templating.hidePause(id);\n                    this._templating.hideProgress(id);\n                    this._templating.setStatusText(id, this._options.text.waitingForResponse);\n                    this._displayFileSize(id);\n                } else {\n                    this._displayFileSize(id, loaded, total);\n                }\n            },\n            _onTotalProgress: function(loaded, total) {\n                this._parent.prototype._onTotalProgress.apply(this, arguments);\n                this._templating.updateTotalProgress(loaded, total);\n            },\n            _onComplete: function(id, name, result, xhr) {\n                var parentRetVal = this._parent.prototype._onComplete.apply(this, arguments), templating = this._templating, fileContainer = templating.getFileContainer(id), self = this;\n                function completeUpload(result) {\n                    if (!fileContainer) {\n                        return;\n                    }\n                    templating.setStatusText(id);\n                    qq(fileContainer).removeClass(self._classes.retrying);\n                    templating.hideProgress(id);\n                    if (self.getUploads({\n                        id: id\n                    }).status !== qq.status.UPLOAD_FAILED) {\n                        templating.hideCancel(id);\n                    }\n                    templating.hideSpinner(id);\n                    if (result.success) {\n                        self._markFileAsSuccessful(id);\n                    } else {\n                        qq(fileContainer).addClass(self._classes.fail);\n                        templating.showCancel(id);\n                        if (templating.isRetryPossible() && !self._preventRetries[id]) {\n                            qq(fileContainer).addClass(self._classes.retryable);\n                            templating.showRetry(id);\n                        }\n                        self._controlFailureTextDisplay(id, result);\n                    }\n                }\n                if (parentRetVal instanceof qq.Promise) {\n                    parentRetVal.done(function(newResult) {\n                        completeUpload(newResult);\n                    });\n                } else {\n                    completeUpload(result);\n                }\n                return parentRetVal;\n            },\n            _markFileAsSuccessful: function(id) {\n                var templating = this._templating;\n                if (this._isDeletePossible()) {\n                    templating.showDeleteButton(id);\n                }\n                qq(templating.getFileContainer(id)).addClass(this._classes.success);\n                this._maybeUpdateThumbnail(id);\n            },\n            _onUploadPrep: function(id) {\n                this._parent.prototype._onUploadPrep.apply(this, arguments);\n                this._templating.showSpinner(id);\n            },\n            _onUpload: function(id, name) {\n                var parentRetVal = this._parent.prototype._onUpload.apply(this, arguments);\n                this._templating.showSpinner(id);\n                return parentRetVal;\n            },\n            _onUploadChunk: function(id, chunkData) {\n                this._parent.prototype._onUploadChunk.apply(this, arguments);\n                if (chunkData.partIndex > 0 && this._handler.isResumable(id)) {\n                    this._templating.allowPause(id);\n                }\n            },\n            _onCancel: function(id, name) {\n                this._parent.prototype._onCancel.apply(this, arguments);\n                this._removeFileItem(id);\n                if (this._getNotFinished() === 0) {\n                    this._templating.resetTotalProgress();\n                }\n            },\n            _onBeforeAutoRetry: function(id) {\n                var retryNumForDisplay, maxAuto, retryNote;\n                this._parent.prototype._onBeforeAutoRetry.apply(this, arguments);\n                this._showCancelLink(id);\n                if (this._options.retry.showAutoRetryNote) {\n                    retryNumForDisplay = this._autoRetries[id];\n                    maxAuto = this._options.retry.maxAutoAttempts;\n                    retryNote = this._options.retry.autoRetryNote.replace(/\\{retryNum\\}/g, retryNumForDisplay);\n                    retryNote = retryNote.replace(/\\{maxAuto\\}/g, maxAuto);\n                    this._templating.setStatusText(id, retryNote);\n                    qq(this._templating.getFileContainer(id)).addClass(this._classes.retrying);\n                }\n            },\n            _onBeforeManualRetry: function(id) {\n                if (this._parent.prototype._onBeforeManualRetry.apply(this, arguments)) {\n                    this._templating.resetProgress(id);\n                    qq(this._templating.getFileContainer(id)).removeClass(this._classes.fail);\n                    this._templating.setStatusText(id);\n                    this._templating.showSpinner(id);\n                    this._showCancelLink(id);\n                    return true;\n                } else {\n                    qq(this._templating.getFileContainer(id)).addClass(this._classes.retryable);\n                    this._templating.showRetry(id);\n                    return false;\n                }\n            },\n            _onSubmitDelete: function(id) {\n                var onSuccessCallback = qq.bind(this._onSubmitDeleteSuccess, this);\n                this._parent.prototype._onSubmitDelete.call(this, id, onSuccessCallback);\n            },\n            _onSubmitDeleteSuccess: function(id, uuid, additionalMandatedParams) {\n                if (this._options.deleteFile.forceConfirm) {\n                    this._showDeleteConfirm.apply(this, arguments);\n                } else {\n                    this._sendDeleteRequest.apply(this, arguments);\n                }\n            },\n            _onDeleteComplete: function(id, xhr, isError) {\n                this._parent.prototype._onDeleteComplete.apply(this, arguments);\n                this._templating.hideSpinner(id);\n                if (isError) {\n                    this._templating.setStatusText(id, this._options.deleteFile.deletingFailedText);\n                    this._templating.showDeleteButton(id);\n                } else {\n                    this._removeFileItem(id);\n                }\n            },\n            _sendDeleteRequest: function(id, uuid, additionalMandatedParams) {\n                this._templating.hideDeleteButton(id);\n                this._templating.showSpinner(id);\n                this._templating.setStatusText(id, this._options.deleteFile.deletingStatusText);\n                this._deleteHandler.sendDelete.apply(this, arguments);\n            },\n            _showDeleteConfirm: function(id, uuid, mandatedParams) {\n                var fileName = this.getName(id), confirmMessage = this._options.deleteFile.confirmMessage.replace(/\\{filename\\}/g, fileName), uuid = this.getUuid(id), deleteRequestArgs = arguments, self = this, retVal;\n                retVal = this._options.showConfirm(confirmMessage);\n                if (qq.isGenericPromise(retVal)) {\n                    retVal.then(function() {\n                        self._sendDeleteRequest.apply(self, deleteRequestArgs);\n                    });\n                } else if (retVal !== false) {\n                    self._sendDeleteRequest.apply(self, deleteRequestArgs);\n                }\n            },\n            _addToList: function(id, name, canned) {\n                var prependData, prependIndex = 0, dontDisplay = this._handler.isProxied(id) && this._options.scaling.hideScaled, record;\n                if (this._options.display.prependFiles) {\n                    if (this._totalFilesInBatch > 1 && this._filesInBatchAddedToUi > 0) {\n                        prependIndex = this._filesInBatchAddedToUi - 1;\n                    }\n                    prependData = {\n                        index: prependIndex\n                    };\n                }\n                if (!canned) {\n                    if (this._options.disableCancelForFormUploads && !qq.supportedFeatures.ajaxUploading) {\n                        this._templating.disableCancel();\n                    }\n                    if (!this._options.multiple) {\n                        record = this.getUploads({\n                            id: id\n                        });\n                        this._handledProxyGroup = this._handledProxyGroup || record.proxyGroupId;\n                        if (record.proxyGroupId !== this._handledProxyGroup || !record.proxyGroupId) {\n                            this._handler.cancelAll();\n                            this._clearList();\n                            this._handledProxyGroup = null;\n                        }\n                    }\n                }\n                if (canned) {\n                    this._templating.addFileToCache(id, this._options.formatFileName(name), prependData, dontDisplay);\n                    this._templating.updateThumbnail(id, this._thumbnailUrls[id], true, this._options.thumbnails.customResizer);\n                } else {\n                    this._templating.addFile(id, this._options.formatFileName(name), prependData, dontDisplay);\n                    this._templating.generatePreview(id, this.getFile(id), this._options.thumbnails.customResizer);\n                }\n                this._filesInBatchAddedToUi += 1;\n                if (canned || this._options.display.fileSizeOnSubmit && qq.supportedFeatures.ajaxUploading) {\n                    this._displayFileSize(id);\n                }\n            },\n            _clearList: function() {\n                this._templating.clearFiles();\n                this.clearStoredFiles();\n            },\n            _displayFileSize: function(id, loadedSize, totalSize) {\n                var size = this.getSize(id), sizeForDisplay = this._formatSize(size);\n                if (size >= 0) {\n                    if (loadedSize !== undefined && totalSize !== undefined) {\n                        sizeForDisplay = this._formatProgress(loadedSize, totalSize);\n                    }\n                    this._templating.updateSize(id, sizeForDisplay);\n                }\n            },\n            _formatProgress: function(uploadedSize, totalSize) {\n                var message = this._options.text.formatProgress;\n                function r(name, replacement) {\n                    message = message.replace(name, replacement);\n                }\n                r(\"{percent}\", Math.round(uploadedSize / totalSize * 100));\n                r(\"{total_size}\", this._formatSize(totalSize));\n                return message;\n            },\n            _controlFailureTextDisplay: function(id, response) {\n                var mode, responseProperty, failureReason;\n                mode = this._options.failedUploadTextDisplay.mode;\n                responseProperty = this._options.failedUploadTextDisplay.responseProperty;\n                if (mode === \"custom\") {\n                    failureReason = response[responseProperty];\n                    if (!failureReason) {\n                        failureReason = this._options.text.failUpload;\n                    }\n                    this._templating.setStatusText(id, failureReason);\n                    if (this._options.failedUploadTextDisplay.enableTooltip) {\n                        this._showTooltip(id, failureReason);\n                    }\n                } else if (mode === \"default\") {\n                    this._templating.setStatusText(id, this._options.text.failUpload);\n                } else if (mode !== \"none\") {\n                    this.log(\"failedUploadTextDisplay.mode value of '\" + mode + \"' is not valid\", \"warn\");\n                }\n            },\n            _showTooltip: function(id, text) {\n                this._templating.getFileContainer(id).title = text;\n            },\n            _showCancelLink: function(id) {\n                if (!this._options.disableCancelForFormUploads || qq.supportedFeatures.ajaxUploading) {\n                    this._templating.showCancel(id);\n                }\n            },\n            _itemError: function(code, name, item) {\n                var message = this._parent.prototype._itemError.apply(this, arguments);\n                this._options.showMessage(message);\n            },\n            _batchError: function(message) {\n                this._parent.prototype._batchError.apply(this, arguments);\n                this._options.showMessage(message);\n            },\n            _setupPastePrompt: function() {\n                var self = this;\n                this._options.callbacks.onPasteReceived = function() {\n                    var message = self._options.paste.namePromptMessage, defaultVal = self._options.paste.defaultName;\n                    return self._options.showPrompt(message, defaultVal);\n                };\n            },\n            _fileOrBlobRejected: function(id, name) {\n                this._totalFilesInBatch -= 1;\n                this._parent.prototype._fileOrBlobRejected.apply(this, arguments);\n            },\n            _prepareItemsForUpload: function(items, params, endpoint) {\n                this._totalFilesInBatch = items.length;\n                this._filesInBatchAddedToUi = 0;\n                this._parent.prototype._prepareItemsForUpload.apply(this, arguments);\n            },\n            _maybeUpdateThumbnail: function(fileId) {\n                var thumbnailUrl = this._thumbnailUrls[fileId], fileStatus = this.getUploads({\n                    id: fileId\n                }).status;\n                if (fileStatus !== qq.status.DELETED && (thumbnailUrl || this._options.thumbnails.placeholders.waitUntilResponse || !qq.supportedFeatures.imagePreviews)) {\n                    this._templating.updateThumbnail(fileId, thumbnailUrl, this._options.thumbnails.customResizer);\n                }\n            },\n            _addCannedFile: function(sessionData) {\n                var id = this._parent.prototype._addCannedFile.apply(this, arguments);\n                this._addToList(id, this.getName(id), true);\n                this._templating.hideSpinner(id);\n                this._templating.hideCancel(id);\n                this._markFileAsSuccessful(id);\n                return id;\n            },\n            _setSize: function(id, newSize) {\n                this._parent.prototype._setSize.apply(this, arguments);\n                this._templating.updateSize(id, this._formatSize(newSize));\n            },\n            _sessionRequestComplete: function() {\n                this._templating.addCacheToDom();\n                this._parent.prototype._sessionRequestComplete.apply(this, arguments);\n            }\n        };\n    })();\n    qq.FineUploader = function(o, namespace) {\n        \"use strict\";\n        var self = this;\n        this._parent = namespace ? qq[namespace].FineUploaderBasic : qq.FineUploaderBasic;\n        this._parent.apply(this, arguments);\n        qq.extend(this._options, {\n            element: null,\n            button: null,\n            listElement: null,\n            dragAndDrop: {\n                extraDropzones: [],\n                reportDirectoryPaths: false\n            },\n            text: {\n                formatProgress: \"{percent}% of {total_size}\",\n                failUpload: \"Upload failed\",\n                waitingForResponse: \"Processing...\",\n                paused: \"Paused\"\n            },\n            template: \"qq-template\",\n            classes: {\n                retrying: \"qq-upload-retrying\",\n                retryable: \"qq-upload-retryable\",\n                success: \"qq-upload-success\",\n                fail: \"qq-upload-fail\",\n                editable: \"qq-editable\",\n                hide: \"qq-hide\",\n                dropActive: \"qq-upload-drop-area-active\"\n            },\n            failedUploadTextDisplay: {\n                mode: \"default\",\n                responseProperty: \"error\",\n                enableTooltip: true\n            },\n            messages: {\n                tooManyFilesError: \"You may only drop one file\",\n                unsupportedBrowser: \"Unrecoverable error - this browser does not permit file uploading of any kind.\"\n            },\n            retry: {\n                showAutoRetryNote: true,\n                autoRetryNote: \"Retrying {retryNum}/{maxAuto}...\"\n            },\n            deleteFile: {\n                forceConfirm: false,\n                confirmMessage: \"Are you sure you want to delete {filename}?\",\n                deletingStatusText: \"Deleting...\",\n                deletingFailedText: \"Delete failed\"\n            },\n            display: {\n                fileSizeOnSubmit: false,\n                prependFiles: false\n            },\n            paste: {\n                promptForName: false,\n                namePromptMessage: \"Please name this image\"\n            },\n            thumbnails: {\n                customResizer: null,\n                maxCount: 0,\n                placeholders: {\n                    waitUntilResponse: false,\n                    notAvailablePath: null,\n                    waitingPath: null\n                },\n                timeBetweenThumbs: 750\n            },\n            scaling: {\n                hideScaled: false\n            },\n            showMessage: function(message) {\n                if (self._templating.hasDialog(\"alert\")) {\n                    return self._templating.showDialog(\"alert\", message);\n                } else {\n                    setTimeout(function() {\n                        window.alert(message);\n                    }, 0);\n                }\n            },\n            showConfirm: function(message) {\n                if (self._templating.hasDialog(\"confirm\")) {\n                    return self._templating.showDialog(\"confirm\", message);\n                } else {\n                    return window.confirm(message);\n                }\n            },\n            showPrompt: function(message, defaultValue) {\n                if (self._templating.hasDialog(\"prompt\")) {\n                    return self._templating.showDialog(\"prompt\", message, defaultValue);\n                } else {\n                    return window.prompt(message, defaultValue);\n                }\n            }\n        }, true);\n        qq.extend(this._options, o, true);\n        this._templating = new qq.Templating({\n            log: qq.bind(this.log, this),\n            templateIdOrEl: this._options.template,\n            containerEl: this._options.element,\n            fileContainerEl: this._options.listElement,\n            button: this._options.button,\n            imageGenerator: this._imageGenerator,\n            classes: {\n                hide: this._options.classes.hide,\n                editable: this._options.classes.editable\n            },\n            limits: {\n                maxThumbs: this._options.thumbnails.maxCount,\n                timeBetweenThumbs: this._options.thumbnails.timeBetweenThumbs\n            },\n            placeholders: {\n                waitUntilUpdate: this._options.thumbnails.placeholders.waitUntilResponse,\n                thumbnailNotAvailable: this._options.thumbnails.placeholders.notAvailablePath,\n                waitingForThumbnail: this._options.thumbnails.placeholders.waitingPath\n            },\n            text: this._options.text\n        });\n        if (this._options.workarounds.ios8SafariUploads && qq.ios800() && qq.iosSafari()) {\n            this._templating.renderFailure(this._options.messages.unsupportedBrowserIos8Safari);\n        } else if (!qq.supportedFeatures.uploading || this._options.cors.expected && !qq.supportedFeatures.uploadCors) {\n            this._templating.renderFailure(this._options.messages.unsupportedBrowser);\n        } else {\n            this._wrapCallbacks();\n            this._templating.render();\n            this._classes = this._options.classes;\n            if (!this._options.button && this._templating.getButton()) {\n                this._defaultButtonId = this._createUploadButton({\n                    element: this._templating.getButton(),\n                    title: this._options.text.fileInputTitle\n                }).getButtonId();\n            }\n            this._setupClickAndEditEventHandlers();\n            if (qq.DragAndDrop && qq.supportedFeatures.fileDrop) {\n                this._dnd = this._setupDragAndDrop();\n            }\n            if (this._options.paste.targetElement && this._options.paste.promptForName) {\n                if (qq.PasteSupport) {\n                    this._setupPastePrompt();\n                } else {\n                    this.log(\"Paste support module not found.\", \"error\");\n                }\n            }\n            this._totalFilesInBatch = 0;\n            this._filesInBatchAddedToUi = 0;\n        }\n    };\n    qq.extend(qq.FineUploader.prototype, qq.basePublicApi);\n    qq.extend(qq.FineUploader.prototype, qq.basePrivateApi);\n    qq.extend(qq.FineUploader.prototype, qq.uiPublicApi);\n    qq.extend(qq.FineUploader.prototype, qq.uiPrivateApi);\n    qq.Templating = function(spec) {\n        \"use strict\";\n        var FILE_ID_ATTR = \"qq-file-id\", FILE_CLASS_PREFIX = \"qq-file-id-\", THUMBNAIL_MAX_SIZE_ATTR = \"qq-max-size\", THUMBNAIL_SERVER_SCALE_ATTR = \"qq-server-scale\", HIDE_DROPZONE_ATTR = \"qq-hide-dropzone\", DROPZPONE_TEXT_ATTR = \"qq-drop-area-text\", IN_PROGRESS_CLASS = \"qq-in-progress\", HIDDEN_FOREVER_CLASS = \"qq-hidden-forever\", fileBatch = {\n            content: document.createDocumentFragment(),\n            map: {}\n        }, isCancelDisabled = false, generatedThumbnails = 0, thumbnailQueueMonitorRunning = false, thumbGenerationQueue = [], thumbnailMaxSize = -1, options = {\n            log: null,\n            limits: {\n                maxThumbs: 0,\n                timeBetweenThumbs: 750\n            },\n            templateIdOrEl: \"qq-template\",\n            containerEl: null,\n            fileContainerEl: null,\n            button: null,\n            imageGenerator: null,\n            classes: {\n                hide: \"qq-hide\",\n                editable: \"qq-editable\"\n            },\n            placeholders: {\n                waitUntilUpdate: false,\n                thumbnailNotAvailable: null,\n                waitingForThumbnail: null\n            },\n            text: {\n                paused: \"Paused\"\n            }\n        }, selectorClasses = {\n            button: \"qq-upload-button-selector\",\n            alertDialog: \"qq-alert-dialog-selector\",\n            dialogCancelButton: \"qq-cancel-button-selector\",\n            confirmDialog: \"qq-confirm-dialog-selector\",\n            dialogMessage: \"qq-dialog-message-selector\",\n            dialogOkButton: \"qq-ok-button-selector\",\n            promptDialog: \"qq-prompt-dialog-selector\",\n            uploader: \"qq-uploader-selector\",\n            drop: \"qq-upload-drop-area-selector\",\n            list: \"qq-upload-list-selector\",\n            progressBarContainer: \"qq-progress-bar-container-selector\",\n            progressBar: \"qq-progress-bar-selector\",\n            totalProgressBarContainer: \"qq-total-progress-bar-container-selector\",\n            totalProgressBar: \"qq-total-progress-bar-selector\",\n            file: \"qq-upload-file-selector\",\n            spinner: \"qq-upload-spinner-selector\",\n            size: \"qq-upload-size-selector\",\n            cancel: \"qq-upload-cancel-selector\",\n            pause: \"qq-upload-pause-selector\",\n            continueButton: \"qq-upload-continue-selector\",\n            deleteButton: \"qq-upload-delete-selector\",\n            retry: \"qq-upload-retry-selector\",\n            statusText: \"qq-upload-status-text-selector\",\n            editFilenameInput: \"qq-edit-filename-selector\",\n            editNameIcon: \"qq-edit-filename-icon-selector\",\n            dropText: \"qq-upload-drop-area-text-selector\",\n            dropProcessing: \"qq-drop-processing-selector\",\n            dropProcessingSpinner: \"qq-drop-processing-spinner-selector\",\n            thumbnail: \"qq-thumbnail-selector\"\n        }, previewGeneration = {}, cachedThumbnailNotAvailableImg = new qq.Promise(), cachedWaitingForThumbnailImg = new qq.Promise(), log, isEditElementsExist, isRetryElementExist, templateDom, container, fileList, showThumbnails, serverScale, cacheThumbnailPlaceholders = function() {\n            var notAvailableUrl = options.placeholders.thumbnailNotAvailable, waitingUrl = options.placeholders.waitingForThumbnail, spec = {\n                maxSize: thumbnailMaxSize,\n                scale: serverScale\n            };\n            if (showThumbnails) {\n                if (notAvailableUrl) {\n                    options.imageGenerator.generate(notAvailableUrl, new Image(), spec).then(function(updatedImg) {\n                        cachedThumbnailNotAvailableImg.success(updatedImg);\n                    }, function() {\n                        cachedThumbnailNotAvailableImg.failure();\n                        log(\"Problem loading 'not available' placeholder image at \" + notAvailableUrl, \"error\");\n                    });\n                } else {\n                    cachedThumbnailNotAvailableImg.failure();\n                }\n                if (waitingUrl) {\n                    options.imageGenerator.generate(waitingUrl, new Image(), spec).then(function(updatedImg) {\n                        cachedWaitingForThumbnailImg.success(updatedImg);\n                    }, function() {\n                        cachedWaitingForThumbnailImg.failure();\n                        log(\"Problem loading 'waiting for thumbnail' placeholder image at \" + waitingUrl, \"error\");\n                    });\n                } else {\n                    cachedWaitingForThumbnailImg.failure();\n                }\n            }\n        }, displayWaitingImg = function(thumbnail) {\n            var waitingImgPlacement = new qq.Promise();\n            cachedWaitingForThumbnailImg.then(function(img) {\n                maybeScalePlaceholderViaCss(img, thumbnail);\n                if (!thumbnail.src) {\n                    thumbnail.src = img.src;\n                    thumbnail.onload = function() {\n                        thumbnail.onload = null;\n                        show(thumbnail);\n                        waitingImgPlacement.success();\n                    };\n                } else {\n                    waitingImgPlacement.success();\n                }\n            }, function() {\n                hide(thumbnail);\n                waitingImgPlacement.success();\n            });\n            return waitingImgPlacement;\n        }, generateNewPreview = function(id, blob, spec) {\n            var thumbnail = getThumbnail(id);\n            log(\"Generating new thumbnail for \" + id);\n            blob.qqThumbnailId = id;\n            return options.imageGenerator.generate(blob, thumbnail, spec).then(function() {\n                generatedThumbnails++;\n                show(thumbnail);\n                previewGeneration[id].success();\n            }, function() {\n                previewGeneration[id].failure();\n                if (!options.placeholders.waitUntilUpdate) {\n                    maybeSetDisplayNotAvailableImg(id, thumbnail);\n                }\n            });\n        }, generateNextQueuedPreview = function() {\n            if (thumbGenerationQueue.length) {\n                thumbnailQueueMonitorRunning = true;\n                var queuedThumbRequest = thumbGenerationQueue.shift();\n                if (queuedThumbRequest.update) {\n                    processUpdateQueuedPreviewRequest(queuedThumbRequest);\n                } else {\n                    processNewQueuedPreviewRequest(queuedThumbRequest);\n                }\n            } else {\n                thumbnailQueueMonitorRunning = false;\n            }\n        }, getCancel = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.cancel);\n        }, getContinue = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.continueButton);\n        }, getDialog = function(type) {\n            return getTemplateEl(container, selectorClasses[type + \"Dialog\"]);\n        }, getDelete = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.deleteButton);\n        }, getDropProcessing = function() {\n            return getTemplateEl(container, selectorClasses.dropProcessing);\n        }, getEditIcon = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.editNameIcon);\n        }, getFile = function(id) {\n            return fileBatch.map[id] || qq(fileList).getFirstByClass(FILE_CLASS_PREFIX + id);\n        }, getFilename = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.file);\n        }, getPause = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.pause);\n        }, getProgress = function(id) {\n            if (id == null) {\n                return getTemplateEl(container, selectorClasses.totalProgressBarContainer) || getTemplateEl(container, selectorClasses.totalProgressBar);\n            }\n            return getTemplateEl(getFile(id), selectorClasses.progressBarContainer) || getTemplateEl(getFile(id), selectorClasses.progressBar);\n        }, getRetry = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.retry);\n        }, getSize = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.size);\n        }, getSpinner = function(id) {\n            return getTemplateEl(getFile(id), selectorClasses.spinner);\n        }, getTemplateEl = function(context, cssClass) {\n            return context && qq(context).getFirstByClass(cssClass);\n        }, getThumbnail = function(id) {\n            return showThumbnails && getTemplateEl(getFile(id), selectorClasses.thumbnail);\n        }, hide = function(el) {\n            el && qq(el).addClass(options.classes.hide);\n        }, maybeScalePlaceholderViaCss = function(placeholder, thumbnail) {\n            var maxWidth = placeholder.style.maxWidth, maxHeight = placeholder.style.maxHeight;\n            if (maxHeight && maxWidth && !thumbnail.style.maxWidth && !thumbnail.style.maxHeight) {\n                qq(thumbnail).css({\n                    maxWidth: maxWidth,\n                    maxHeight: maxHeight\n                });\n            }\n        }, maybeSetDisplayNotAvailableImg = function(id, thumbnail) {\n            var previewing = previewGeneration[id] || new qq.Promise().failure(), notAvailableImgPlacement = new qq.Promise();\n            cachedThumbnailNotAvailableImg.then(function(img) {\n                previewing.then(function() {\n                    notAvailableImgPlacement.success();\n                }, function() {\n                    maybeScalePlaceholderViaCss(img, thumbnail);\n                    thumbnail.onload = function() {\n                        thumbnail.onload = null;\n                        notAvailableImgPlacement.success();\n                    };\n                    thumbnail.src = img.src;\n                    show(thumbnail);\n                });\n            });\n            return notAvailableImgPlacement;\n        }, parseAndGetTemplate = function() {\n            var scriptEl, scriptHtml, fileListNode, tempTemplateEl, fileListEl, defaultButton, dropArea, thumbnail, dropProcessing, dropTextEl, uploaderEl;\n            log(\"Parsing template\");\n            if (options.templateIdOrEl == null) {\n                throw new Error(\"You MUST specify either a template element or ID!\");\n            }\n            if (qq.isString(options.templateIdOrEl)) {\n                scriptEl = document.getElementById(options.templateIdOrEl);\n                if (scriptEl === null) {\n                    throw new Error(qq.format(\"Cannot find template script at ID '{}'!\", options.templateIdOrEl));\n                }\n                scriptHtml = scriptEl.innerHTML;\n            } else {\n                if (options.templateIdOrEl.innerHTML === undefined) {\n                    throw new Error(\"You have specified an invalid value for the template option!  \" + \"It must be an ID or an Element.\");\n                }\n                scriptHtml = options.templateIdOrEl.innerHTML;\n            }\n            scriptHtml = qq.trimStr(scriptHtml);\n            tempTemplateEl = document.createElement(\"div\");\n            tempTemplateEl.appendChild(qq.toElement(scriptHtml));\n            uploaderEl = qq(tempTemplateEl).getFirstByClass(selectorClasses.uploader);\n            if (options.button) {\n                defaultButton = qq(tempTemplateEl).getFirstByClass(selectorClasses.button);\n                if (defaultButton) {\n                    qq(defaultButton).remove();\n                }\n            }\n            if (!qq.DragAndDrop || !qq.supportedFeatures.fileDrop) {\n                dropProcessing = qq(tempTemplateEl).getFirstByClass(selectorClasses.dropProcessing);\n                if (dropProcessing) {\n                    qq(dropProcessing).remove();\n                }\n            }\n            dropArea = qq(tempTemplateEl).getFirstByClass(selectorClasses.drop);\n            if (dropArea && !qq.DragAndDrop) {\n                log(\"DnD module unavailable.\", \"info\");\n                qq(dropArea).remove();\n            }\n            if (!qq.supportedFeatures.fileDrop) {\n                uploaderEl.removeAttribute(DROPZPONE_TEXT_ATTR);\n                if (dropArea && qq(dropArea).hasAttribute(HIDE_DROPZONE_ATTR)) {\n                    qq(dropArea).css({\n                        display: \"none\"\n                    });\n                }\n            } else if (qq(uploaderEl).hasAttribute(DROPZPONE_TEXT_ATTR) && dropArea) {\n                dropTextEl = qq(dropArea).getFirstByClass(selectorClasses.dropText);\n                dropTextEl && qq(dropTextEl).remove();\n            }\n            thumbnail = qq(tempTemplateEl).getFirstByClass(selectorClasses.thumbnail);\n            if (!showThumbnails) {\n                thumbnail && qq(thumbnail).remove();\n            } else if (thumbnail) {\n                thumbnailMaxSize = parseInt(thumbnail.getAttribute(THUMBNAIL_MAX_SIZE_ATTR));\n                thumbnailMaxSize = thumbnailMaxSize > 0 ? thumbnailMaxSize : null;\n                serverScale = qq(thumbnail).hasAttribute(THUMBNAIL_SERVER_SCALE_ATTR);\n            }\n            showThumbnails = showThumbnails && thumbnail;\n            isEditElementsExist = qq(tempTemplateEl).getByClass(selectorClasses.editFilenameInput).length > 0;\n            isRetryElementExist = qq(tempTemplateEl).getByClass(selectorClasses.retry).length > 0;\n            fileListNode = qq(tempTemplateEl).getFirstByClass(selectorClasses.list);\n            if (fileListNode == null) {\n                throw new Error(\"Could not find the file list container in the template!\");\n            }\n            fileListEl = fileListNode.children[0].cloneNode(true);\n            fileListNode.innerHTML = \"\";\n            if (tempTemplateEl.getElementsByTagName(\"DIALOG\").length) {\n                document.createElement(\"dialog\");\n            }\n            log(\"Template parsing complete\");\n            return {\n                template: tempTemplateEl,\n                fileTemplate: fileListEl\n            };\n        }, prependFile = function(el, index, fileList) {\n            var parentEl = fileList, beforeEl = parentEl.firstChild;\n            if (index > 0) {\n                beforeEl = qq(parentEl).children()[index].nextSibling;\n            }\n            parentEl.insertBefore(el, beforeEl);\n        }, processNewQueuedPreviewRequest = function(queuedThumbRequest) {\n            var id = queuedThumbRequest.id, optFileOrBlob = queuedThumbRequest.optFileOrBlob, relatedThumbnailId = optFileOrBlob && optFileOrBlob.qqThumbnailId, thumbnail = getThumbnail(id), spec = {\n                customResizeFunction: queuedThumbRequest.customResizeFunction,\n                maxSize: thumbnailMaxSize,\n                orient: true,\n                scale: true\n            };\n            if (qq.supportedFeatures.imagePreviews) {\n                if (thumbnail) {\n                    if (options.limits.maxThumbs && options.limits.maxThumbs <= generatedThumbnails) {\n                        maybeSetDisplayNotAvailableImg(id, thumbnail);\n                        generateNextQueuedPreview();\n                    } else {\n                        displayWaitingImg(thumbnail).done(function() {\n                            previewGeneration[id] = new qq.Promise();\n                            previewGeneration[id].done(function() {\n                                setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs);\n                            });\n                            if (relatedThumbnailId != null) {\n                                useCachedPreview(id, relatedThumbnailId);\n                            } else {\n                                generateNewPreview(id, optFileOrBlob, spec);\n                            }\n                        });\n                    }\n                } else {\n                    generateNextQueuedPreview();\n                }\n            } else if (thumbnail) {\n                displayWaitingImg(thumbnail);\n                generateNextQueuedPreview();\n            }\n        }, processUpdateQueuedPreviewRequest = function(queuedThumbRequest) {\n            var id = queuedThumbRequest.id, thumbnailUrl = queuedThumbRequest.thumbnailUrl, showWaitingImg = queuedThumbRequest.showWaitingImg, thumbnail = getThumbnail(id), spec = {\n                customResizeFunction: queuedThumbRequest.customResizeFunction,\n                scale: serverScale,\n                maxSize: thumbnailMaxSize\n            };\n            if (thumbnail) {\n                if (thumbnailUrl) {\n                    if (options.limits.maxThumbs && options.limits.maxThumbs <= generatedThumbnails) {\n                        maybeSetDisplayNotAvailableImg(id, thumbnail);\n                        generateNextQueuedPreview();\n                    } else {\n                        if (showWaitingImg) {\n                            displayWaitingImg(thumbnail);\n                        }\n                        return options.imageGenerator.generate(thumbnailUrl, thumbnail, spec).then(function() {\n                            show(thumbnail);\n                            generatedThumbnails++;\n                            setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs);\n                        }, function() {\n                            maybeSetDisplayNotAvailableImg(id, thumbnail);\n                            setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs);\n                        });\n                    }\n                } else {\n                    maybeSetDisplayNotAvailableImg(id, thumbnail);\n                    generateNextQueuedPreview();\n                }\n            }\n        }, setProgressBarWidth = function(id, percent) {\n            var bar = getProgress(id), progressBarSelector = id == null ? selectorClasses.totalProgressBar : selectorClasses.progressBar;\n            if (bar && !qq(bar).hasClass(progressBarSelector)) {\n                bar = qq(bar).getFirstByClass(progressBarSelector);\n            }\n            if (bar) {\n                qq(bar).css({\n                    width: percent + \"%\"\n                });\n                bar.setAttribute(\"aria-valuenow\", percent);\n            }\n        }, show = function(el) {\n            el && qq(el).removeClass(options.classes.hide);\n        }, useCachedPreview = function(targetThumbnailId, cachedThumbnailId) {\n            var targetThumbnail = getThumbnail(targetThumbnailId), cachedThumbnail = getThumbnail(cachedThumbnailId);\n            log(qq.format(\"ID {} is the same file as ID {}.  Will use generated thumbnail from ID {} instead.\", targetThumbnailId, cachedThumbnailId, cachedThumbnailId));\n            previewGeneration[cachedThumbnailId].then(function() {\n                generatedThumbnails++;\n                previewGeneration[targetThumbnailId].success();\n                log(qq.format(\"Now using previously generated thumbnail created for ID {} on ID {}.\", cachedThumbnailId, targetThumbnailId));\n                targetThumbnail.src = cachedThumbnail.src;\n                show(targetThumbnail);\n            }, function() {\n                previewGeneration[targetThumbnailId].failure();\n                if (!options.placeholders.waitUntilUpdate) {\n                    maybeSetDisplayNotAvailableImg(targetThumbnailId, targetThumbnail);\n                }\n            });\n        };\n        qq.extend(options, spec);\n        log = options.log;\n        if (!qq.supportedFeatures.imagePreviews) {\n            options.limits.timeBetweenThumbs = 0;\n            options.limits.maxThumbs = 0;\n        }\n        container = options.containerEl;\n        showThumbnails = options.imageGenerator !== undefined;\n        templateDom = parseAndGetTemplate();\n        cacheThumbnailPlaceholders();\n        qq.extend(this, {\n            render: function() {\n                log(\"Rendering template in DOM.\");\n                generatedThumbnails = 0;\n                container.appendChild(templateDom.template.cloneNode(true));\n                hide(getDropProcessing());\n                this.hideTotalProgress();\n                fileList = options.fileContainerEl || getTemplateEl(container, selectorClasses.list);\n                log(\"Template rendering complete\");\n            },\n            renderFailure: function(message) {\n                var cantRenderEl = qq.toElement(message);\n                container.innerHTML = \"\";\n                container.appendChild(cantRenderEl);\n            },\n            reset: function() {\n                container.innerHTML = \"\";\n                this.render();\n            },\n            clearFiles: function() {\n                fileList.innerHTML = \"\";\n            },\n            disableCancel: function() {\n                isCancelDisabled = true;\n            },\n            addFile: function(id, name, prependInfo, hideForever, batch) {\n                var fileEl = templateDom.fileTemplate.cloneNode(true), fileNameEl = getTemplateEl(fileEl, selectorClasses.file), uploaderEl = getTemplateEl(container, selectorClasses.uploader), fileContainer = batch ? fileBatch.content : fileList, thumb;\n                if (batch) {\n                    fileBatch.map[id] = fileEl;\n                }\n                qq(fileEl).addClass(FILE_CLASS_PREFIX + id);\n                uploaderEl.removeAttribute(DROPZPONE_TEXT_ATTR);\n                if (fileNameEl) {\n                    qq(fileNameEl).setText(name);\n                    fileNameEl.setAttribute(\"title\", name);\n                }\n                fileEl.setAttribute(FILE_ID_ATTR, id);\n                if (prependInfo) {\n                    prependFile(fileEl, prependInfo.index, fileContainer);\n                } else {\n                    fileContainer.appendChild(fileEl);\n                }\n                if (hideForever) {\n                    fileEl.style.display = \"none\";\n                    qq(fileEl).addClass(HIDDEN_FOREVER_CLASS);\n                } else {\n                    hide(getProgress(id));\n                    hide(getSize(id));\n                    hide(getDelete(id));\n                    hide(getRetry(id));\n                    hide(getPause(id));\n                    hide(getContinue(id));\n                    if (isCancelDisabled) {\n                        this.hideCancel(id);\n                    }\n                    thumb = getThumbnail(id);\n                    if (thumb && !thumb.src) {\n                        cachedWaitingForThumbnailImg.then(function(waitingImg) {\n                            thumb.src = waitingImg.src;\n                            if (waitingImg.style.maxHeight && waitingImg.style.maxWidth) {\n                                qq(thumb).css({\n                                    maxHeight: waitingImg.style.maxHeight,\n                                    maxWidth: waitingImg.style.maxWidth\n                                });\n                            }\n                            show(thumb);\n                        });\n                    }\n                }\n            },\n            addFileToCache: function(id, name, prependInfo, hideForever) {\n                this.addFile(id, name, prependInfo, hideForever, true);\n            },\n            addCacheToDom: function() {\n                fileList.appendChild(fileBatch.content);\n                fileBatch.content = document.createDocumentFragment();\n                fileBatch.map = {};\n            },\n            removeFile: function(id) {\n                qq(getFile(id)).remove();\n            },\n            getFileId: function(el) {\n                var currentNode = el;\n                if (currentNode) {\n                    while (currentNode.getAttribute(FILE_ID_ATTR) == null) {\n                        currentNode = currentNode.parentNode;\n                    }\n                    return parseInt(currentNode.getAttribute(FILE_ID_ATTR));\n                }\n            },\n            getFileList: function() {\n                return fileList;\n            },\n            markFilenameEditable: function(id) {\n                var filename = getFilename(id);\n                filename && qq(filename).addClass(options.classes.editable);\n            },\n            updateFilename: function(id, name) {\n                var filenameEl = getFilename(id);\n                if (filenameEl) {\n                    qq(filenameEl).setText(name);\n                    filenameEl.setAttribute(\"title\", name);\n                }\n            },\n            hideFilename: function(id) {\n                hide(getFilename(id));\n            },\n            showFilename: function(id) {\n                show(getFilename(id));\n            },\n            isFileName: function(el) {\n                return qq(el).hasClass(selectorClasses.file);\n            },\n            getButton: function() {\n                return options.button || getTemplateEl(container, selectorClasses.button);\n            },\n            hideDropProcessing: function() {\n                hide(getDropProcessing());\n            },\n            showDropProcessing: function() {\n                show(getDropProcessing());\n            },\n            getDropZone: function() {\n                return getTemplateEl(container, selectorClasses.drop);\n            },\n            isEditFilenamePossible: function() {\n                return isEditElementsExist;\n            },\n            hideRetry: function(id) {\n                hide(getRetry(id));\n            },\n            isRetryPossible: function() {\n                return isRetryElementExist;\n            },\n            showRetry: function(id) {\n                show(getRetry(id));\n            },\n            getFileContainer: function(id) {\n                return getFile(id);\n            },\n            showEditIcon: function(id) {\n                var icon = getEditIcon(id);\n                icon && qq(icon).addClass(options.classes.editable);\n            },\n            isHiddenForever: function(id) {\n                return qq(getFile(id)).hasClass(HIDDEN_FOREVER_CLASS);\n            },\n            hideEditIcon: function(id) {\n                var icon = getEditIcon(id);\n                icon && qq(icon).removeClass(options.classes.editable);\n            },\n            isEditIcon: function(el) {\n                return qq(el).hasClass(selectorClasses.editNameIcon, true);\n            },\n            getEditInput: function(id) {\n                return getTemplateEl(getFile(id), selectorClasses.editFilenameInput);\n            },\n            isEditInput: function(el) {\n                return qq(el).hasClass(selectorClasses.editFilenameInput, true);\n            },\n            updateProgress: function(id, loaded, total) {\n                var bar = getProgress(id), percent;\n                if (bar && total > 0) {\n                    percent = Math.round(loaded / total * 100);\n                    if (percent === 100) {\n                        hide(bar);\n                    } else {\n                        show(bar);\n                    }\n                    setProgressBarWidth(id, percent);\n                }\n            },\n            updateTotalProgress: function(loaded, total) {\n                this.updateProgress(null, loaded, total);\n            },\n            hideProgress: function(id) {\n                var bar = getProgress(id);\n                bar && hide(bar);\n            },\n            hideTotalProgress: function() {\n                this.hideProgress();\n            },\n            resetProgress: function(id) {\n                setProgressBarWidth(id, 0);\n                this.hideTotalProgress(id);\n            },\n            resetTotalProgress: function() {\n                this.resetProgress();\n            },\n            showCancel: function(id) {\n                if (!isCancelDisabled) {\n                    var cancel = getCancel(id);\n                    cancel && qq(cancel).removeClass(options.classes.hide);\n                }\n            },\n            hideCancel: function(id) {\n                hide(getCancel(id));\n            },\n            isCancel: function(el) {\n                return qq(el).hasClass(selectorClasses.cancel, true);\n            },\n            allowPause: function(id) {\n                show(getPause(id));\n                hide(getContinue(id));\n            },\n            uploadPaused: function(id) {\n                this.setStatusText(id, options.text.paused);\n                this.allowContinueButton(id);\n                hide(getSpinner(id));\n            },\n            hidePause: function(id) {\n                hide(getPause(id));\n            },\n            isPause: function(el) {\n                return qq(el).hasClass(selectorClasses.pause, true);\n            },\n            isContinueButton: function(el) {\n                return qq(el).hasClass(selectorClasses.continueButton, true);\n            },\n            allowContinueButton: function(id) {\n                show(getContinue(id));\n                hide(getPause(id));\n            },\n            uploadContinued: function(id) {\n                this.setStatusText(id, \"\");\n                this.allowPause(id);\n                show(getSpinner(id));\n            },\n            showDeleteButton: function(id) {\n                show(getDelete(id));\n            },\n            hideDeleteButton: function(id) {\n                hide(getDelete(id));\n            },\n            isDeleteButton: function(el) {\n                return qq(el).hasClass(selectorClasses.deleteButton, true);\n            },\n            isRetry: function(el) {\n                return qq(el).hasClass(selectorClasses.retry, true);\n            },\n            updateSize: function(id, text) {\n                var size = getSize(id);\n                if (size) {\n                    show(size);\n                    qq(size).setText(text);\n                }\n            },\n            setStatusText: function(id, text) {\n                var textEl = getTemplateEl(getFile(id), selectorClasses.statusText);\n                if (textEl) {\n                    if (text == null) {\n                        qq(textEl).clearText();\n                    } else {\n                        qq(textEl).setText(text);\n                    }\n                }\n            },\n            hideSpinner: function(id) {\n                qq(getFile(id)).removeClass(IN_PROGRESS_CLASS);\n                hide(getSpinner(id));\n            },\n            showSpinner: function(id) {\n                qq(getFile(id)).addClass(IN_PROGRESS_CLASS);\n                show(getSpinner(id));\n            },\n            generatePreview: function(id, optFileOrBlob, customResizeFunction) {\n                if (!this.isHiddenForever(id)) {\n                    thumbGenerationQueue.push({\n                        id: id,\n                        customResizeFunction: customResizeFunction,\n                        optFileOrBlob: optFileOrBlob\n                    });\n                    !thumbnailQueueMonitorRunning && generateNextQueuedPreview();\n                }\n            },\n            updateThumbnail: function(id, thumbnailUrl, showWaitingImg, customResizeFunction) {\n                if (!this.isHiddenForever(id)) {\n                    thumbGenerationQueue.push({\n                        customResizeFunction: customResizeFunction,\n                        update: true,\n                        id: id,\n                        thumbnailUrl: thumbnailUrl,\n                        showWaitingImg: showWaitingImg\n                    });\n                    !thumbnailQueueMonitorRunning && generateNextQueuedPreview();\n                }\n            },\n            hasDialog: function(type) {\n                return qq.supportedFeatures.dialogElement && !!getDialog(type);\n            },\n            showDialog: function(type, message, defaultValue) {\n                var dialog = getDialog(type), messageEl = getTemplateEl(dialog, selectorClasses.dialogMessage), inputEl = dialog.getElementsByTagName(\"INPUT\")[0], cancelBtn = getTemplateEl(dialog, selectorClasses.dialogCancelButton), okBtn = getTemplateEl(dialog, selectorClasses.dialogOkButton), promise = new qq.Promise(), closeHandler = function() {\n                    cancelBtn.removeEventListener(\"click\", cancelClickHandler);\n                    okBtn && okBtn.removeEventListener(\"click\", okClickHandler);\n                    promise.failure();\n                }, cancelClickHandler = function() {\n                    cancelBtn.removeEventListener(\"click\", cancelClickHandler);\n                    dialog.close();\n                }, okClickHandler = function() {\n                    dialog.removeEventListener(\"close\", closeHandler);\n                    okBtn.removeEventListener(\"click\", okClickHandler);\n                    dialog.close();\n                    promise.success(inputEl && inputEl.value);\n                };\n                dialog.addEventListener(\"close\", closeHandler);\n                cancelBtn.addEventListener(\"click\", cancelClickHandler);\n                okBtn && okBtn.addEventListener(\"click\", okClickHandler);\n                if (inputEl) {\n                    inputEl.value = defaultValue;\n                }\n                messageEl.textContent = message;\n                dialog.showModal();\n                return promise;\n            }\n        });\n    };\n    qq.UiEventHandler = function(s, protectedApi) {\n        \"use strict\";\n        var disposer = new qq.DisposeSupport(), spec = {\n            eventType: \"click\",\n            attachTo: null,\n            onHandled: function(target, event) {}\n        };\n        qq.extend(this, {\n            addHandler: function(element) {\n                addHandler(element);\n            },\n            dispose: function() {\n                disposer.dispose();\n            }\n        });\n        function addHandler(element) {\n            disposer.attach(element, spec.eventType, function(event) {\n                event = event || window.event;\n                var target = event.target || event.srcElement;\n                spec.onHandled(target, event);\n            });\n        }\n        qq.extend(protectedApi, {\n            getFileIdFromItem: function(item) {\n                return item.qqFileId;\n            },\n            getDisposeSupport: function() {\n                return disposer;\n            }\n        });\n        qq.extend(spec, s);\n        if (spec.attachTo) {\n            addHandler(spec.attachTo);\n        }\n    };\n    qq.FileButtonsClickHandler = function(s) {\n        \"use strict\";\n        var inheritedInternalApi = {}, spec = {\n            templating: null,\n            log: function(message, lvl) {},\n            onDeleteFile: function(fileId) {},\n            onCancel: function(fileId) {},\n            onRetry: function(fileId) {},\n            onPause: function(fileId) {},\n            onContinue: function(fileId) {},\n            onGetName: function(fileId) {}\n        }, buttonHandlers = {\n            cancel: function(id) {\n                spec.onCancel(id);\n            },\n            retry: function(id) {\n                spec.onRetry(id);\n            },\n            deleteButton: function(id) {\n                spec.onDeleteFile(id);\n            },\n            pause: function(id) {\n                spec.onPause(id);\n            },\n            continueButton: function(id) {\n                spec.onContinue(id);\n            }\n        };\n        function examineEvent(target, event) {\n            qq.each(buttonHandlers, function(buttonType, handler) {\n                var firstLetterCapButtonType = buttonType.charAt(0).toUpperCase() + buttonType.slice(1), fileId;\n                if (spec.templating[\"is\" + firstLetterCapButtonType](target)) {\n                    fileId = spec.templating.getFileId(target);\n                    qq.preventDefault(event);\n                    spec.log(qq.format(\"Detected valid file button click event on file '{}', ID: {}.\", spec.onGetName(fileId), fileId));\n                    handler(fileId);\n                    return false;\n                }\n            });\n        }\n        qq.extend(spec, s);\n        spec.eventType = \"click\";\n        spec.onHandled = examineEvent;\n        spec.attachTo = spec.templating.getFileList();\n        qq.extend(this, new qq.UiEventHandler(spec, inheritedInternalApi));\n    };\n    qq.FilenameClickHandler = function(s) {\n        \"use strict\";\n        var inheritedInternalApi = {}, spec = {\n            templating: null,\n            log: function(message, lvl) {},\n            classes: {\n                file: \"qq-upload-file\",\n                editNameIcon: \"qq-edit-filename-icon\"\n            },\n            onGetUploadStatus: function(fileId) {},\n            onGetName: function(fileId) {}\n        };\n        qq.extend(spec, s);\n        function examineEvent(target, event) {\n            if (spec.templating.isFileName(target) || spec.templating.isEditIcon(target)) {\n                var fileId = spec.templating.getFileId(target), status = spec.onGetUploadStatus(fileId);\n                if (status === qq.status.SUBMITTED) {\n                    spec.log(qq.format(\"Detected valid filename click event on file '{}', ID: {}.\", spec.onGetName(fileId), fileId));\n                    qq.preventDefault(event);\n                    inheritedInternalApi.handleFilenameEdit(fileId, target, true);\n                }\n            }\n        }\n        spec.eventType = \"click\";\n        spec.onHandled = examineEvent;\n        qq.extend(this, new qq.FilenameEditHandler(spec, inheritedInternalApi));\n    };\n    qq.FilenameInputFocusInHandler = function(s, inheritedInternalApi) {\n        \"use strict\";\n        var spec = {\n            templating: null,\n            onGetUploadStatus: function(fileId) {},\n            log: function(message, lvl) {}\n        };\n        if (!inheritedInternalApi) {\n            inheritedInternalApi = {};\n        }\n        function handleInputFocus(target, event) {\n            if (spec.templating.isEditInput(target)) {\n                var fileId = spec.templating.getFileId(target), status = spec.onGetUploadStatus(fileId);\n                if (status === qq.status.SUBMITTED) {\n                    spec.log(qq.format(\"Detected valid filename input focus event on file '{}', ID: {}.\", spec.onGetName(fileId), fileId));\n                    inheritedInternalApi.handleFilenameEdit(fileId, target);\n                }\n            }\n        }\n        spec.eventType = \"focusin\";\n        spec.onHandled = handleInputFocus;\n        qq.extend(spec, s);\n        qq.extend(this, new qq.FilenameEditHandler(spec, inheritedInternalApi));\n    };\n    qq.FilenameInputFocusHandler = function(spec) {\n        \"use strict\";\n        spec.eventType = \"focus\";\n        spec.attachTo = null;\n        qq.extend(this, new qq.FilenameInputFocusInHandler(spec, {}));\n    };\n    qq.FilenameEditHandler = function(s, inheritedInternalApi) {\n        \"use strict\";\n        var spec = {\n            templating: null,\n            log: function(message, lvl) {},\n            onGetUploadStatus: function(fileId) {},\n            onGetName: function(fileId) {},\n            onSetName: function(fileId, newName) {},\n            onEditingStatusChange: function(fileId, isEditing) {}\n        };\n        function getFilenameSansExtension(fileId) {\n            var filenameSansExt = spec.onGetName(fileId), extIdx = filenameSansExt.lastIndexOf(\".\");\n            if (extIdx > 0) {\n                filenameSansExt = filenameSansExt.substr(0, extIdx);\n            }\n            return filenameSansExt;\n        }\n        function getOriginalExtension(fileId) {\n            var origName = spec.onGetName(fileId);\n            return qq.getExtension(origName);\n        }\n        function handleNameUpdate(newFilenameInputEl, fileId) {\n            var newName = newFilenameInputEl.value, origExtension;\n            if (newName !== undefined && qq.trimStr(newName).length > 0) {\n                origExtension = getOriginalExtension(fileId);\n                if (origExtension !== undefined) {\n                    newName = newName + \".\" + origExtension;\n                }\n                spec.onSetName(fileId, newName);\n            }\n            spec.onEditingStatusChange(fileId, false);\n        }\n        function registerInputBlurHandler(inputEl, fileId) {\n            inheritedInternalApi.getDisposeSupport().attach(inputEl, \"blur\", function() {\n                handleNameUpdate(inputEl, fileId);\n            });\n        }\n        function registerInputEnterKeyHandler(inputEl, fileId) {\n            inheritedInternalApi.getDisposeSupport().attach(inputEl, \"keyup\", function(event) {\n                var code = event.keyCode || event.which;\n                if (code === 13) {\n                    handleNameUpdate(inputEl, fileId);\n                }\n            });\n        }\n        qq.extend(spec, s);\n        spec.attachTo = spec.templating.getFileList();\n        qq.extend(this, new qq.UiEventHandler(spec, inheritedInternalApi));\n        qq.extend(inheritedInternalApi, {\n            handleFilenameEdit: function(id, target, focusInput) {\n                var newFilenameInputEl = spec.templating.getEditInput(id);\n                spec.onEditingStatusChange(id, true);\n                newFilenameInputEl.value = getFilenameSansExtension(id);\n                if (focusInput) {\n                    newFilenameInputEl.focus();\n                }\n                registerInputBlurHandler(newFilenameInputEl, id);\n                registerInputEnterKeyHandler(newFilenameInputEl, id);\n            }\n        });\n    };\n    (function() {\n        \"use strict\";\n        qq.s3.FineUploader = function(o) {\n            var options = {\n                failedUploadTextDisplay: {\n                    mode: \"custom\"\n                }\n            };\n            qq.extend(options, o, true);\n            qq.FineUploader.call(this, options, \"s3\");\n            if (!qq.supportedFeatures.ajaxUploading && options.iframeSupport.localBlankPagePath === undefined) {\n                this._options.element.innerHTML = \"<div>You MUST set the <code>localBlankPagePath</code> property \" + \"of the <code>iframeSupport</code> option since this browser does not support the File API!</div>\";\n            }\n        };\n        qq.extend(qq.s3.FineUploader.prototype, qq.s3.FineUploaderBasic.prototype);\n        qq.extend(qq.s3.FineUploader.prototype, qq.uiPublicApi);\n        qq.extend(qq.s3.FineUploader.prototype, qq.uiPrivateApi);\n    })();\n})(window);\n//# sourceMappingURL=s3.fine-uploader.js.map"],"sourceRoot":""}