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Diffstat (limited to 'public/fine-uploader.js')
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diff --git a/public/fine-uploader.js b/public/fine-uploader.js new file mode 100644 index 0000000..ee464b6 --- /dev/null +++ b/public/fine-uploader.js @@ -0,0 +1,11339 @@ +/*! +* Fine Uploader +* +* Copyright 2013-present, Widen Enterprises, Inc. +* +* Version: 5.10.0 +* +* Homepage: http://fineuploader.com +* +* Repository: git://github.com/FineUploader/fine-uploader.git +* +* Licensed only under the MIT license (http://fineuploader.com/licensing). +*/ + + +(function(global) { +/*globals window, navigator, document, FormData, File, HTMLInputElement, XMLHttpRequest, Blob, Storage, ActiveXObject */ +/* jshint -W079 */ +var qq = function(element) { + "use strict"; + + return { + hide: function() { + element.style.display = "none"; + return this; + }, + + /** Returns the function which detaches attached event */ + attach: function(type, fn) { + if (element.addEventListener) { + element.addEventListener(type, fn, false); + } else if (element.attachEvent) { + element.attachEvent("on" + type, fn); + } + return function() { + qq(element).detach(type, fn); + }; + }, + + detach: function(type, fn) { + if (element.removeEventListener) { + element.removeEventListener(type, fn, false); + } else if (element.attachEvent) { + element.detachEvent("on" + type, fn); + } + return this; + }, + + contains: function(descendant) { + // The [W3C spec](http://www.w3.org/TR/domcore/#dom-node-contains) + // says a `null` (or ostensibly `undefined`) parameter + // passed into `Node.contains` should result in a false return value. + // IE7 throws an exception if the parameter is `undefined` though. + if (!descendant) { + return false; + } + + // compareposition returns false in this case + if (element === descendant) { + return true; + } + + if (element.contains) { + return element.contains(descendant); + } else { + /*jslint bitwise: true*/ + return !!(descendant.compareDocumentPosition(element) & 8); + } + }, + + /** + * Insert this element before elementB. + */ + insertBefore: function(elementB) { + elementB.parentNode.insertBefore(element, elementB); + return this; + }, + + remove: function() { + element.parentNode.removeChild(element); + return this; + }, + + /** + * Sets styles for an element. + * Fixes opacity in IE6-8. + */ + css: function(styles) { + /*jshint eqnull: true*/ + if (element.style == null) { + throw new qq.Error("Can't apply style to node as it is not on the HTMLElement prototype chain!"); + } + + /*jshint -W116*/ + if (styles.opacity != null) { + if (typeof element.style.opacity !== "string" && typeof (element.filters) !== "undefined") { + styles.filter = "alpha(opacity=" + Math.round(100 * styles.opacity) + ")"; + } + } + qq.extend(element.style, styles); + + return this; + }, + + hasClass: function(name, considerParent) { + var re = new RegExp("(^| )" + name + "( |$)"); + return re.test(element.className) || !!(considerParent && re.test(element.parentNode.className)); + }, + + addClass: function(name) { + if (!qq(element).hasClass(name)) { + element.className += " " + name; + } + return this; + }, + + removeClass: function(name) { + var re = new RegExp("(^| )" + name + "( |$)"); + element.className = element.className.replace(re, " ").replace(/^\s+|\s+$/g, ""); + return this; + }, + + getByClass: function(className, first) { + var candidates, + result = []; + + if (first && element.querySelector) { + return element.querySelector("." + className); + } + else if (element.querySelectorAll) { + return element.querySelectorAll("." + className); + } + + candidates = element.getElementsByTagName("*"); + + qq.each(candidates, function(idx, val) { + if (qq(val).hasClass(className)) { + result.push(val); + } + }); + return first ? result[0] : result; + }, + + getFirstByClass: function(className) { + return qq(element).getByClass(className, true); + }, + + children: function() { + var children = [], + child = element.firstChild; + + while (child) { + if (child.nodeType === 1) { + children.push(child); + } + child = child.nextSibling; + } + + return children; + }, + + setText: function(text) { + element.innerText = text; + element.textContent = text; + return this; + }, + + clearText: function() { + return qq(element).setText(""); + }, + + // Returns true if the attribute exists on the element + // AND the value of the attribute is NOT "false" (case-insensitive) + hasAttribute: function(attrName) { + var attrVal; + + if (element.hasAttribute) { + + if (!element.hasAttribute(attrName)) { + return false; + } + + /*jshint -W116*/ + return (/^false$/i).exec(element.getAttribute(attrName)) == null; + } + else { + attrVal = element[attrName]; + + if (attrVal === undefined) { + return false; + } + + /*jshint -W116*/ + return (/^false$/i).exec(attrVal) == null; + } + } + }; +}; + +(function() { + "use strict"; + + qq.canvasToBlob = function(canvas, mime, quality) { + return qq.dataUriToBlob(canvas.toDataURL(mime, quality)); + }; + + qq.dataUriToBlob = function(dataUri) { + var arrayBuffer, byteString, + createBlob = function(data, mime) { + var BlobBuilder = window.BlobBuilder || + window.WebKitBlobBuilder || + window.MozBlobBuilder || + window.MSBlobBuilder, + blobBuilder = BlobBuilder && new BlobBuilder(); + + if (blobBuilder) { + blobBuilder.append(data); + return blobBuilder.getBlob(mime); + } + else { + return new Blob([data], {type: mime}); + } + }, + intArray, mimeString; + + // convert base64 to raw binary data held in a string + if (dataUri.split(",")[0].indexOf("base64") >= 0) { + byteString = atob(dataUri.split(",")[1]); + } + else { + byteString = decodeURI(dataUri.split(",")[1]); + } + + // extract the MIME + mimeString = dataUri.split(",")[0] + .split(":")[1] + .split(";")[0]; + + // write the bytes of the binary string to an ArrayBuffer + arrayBuffer = new ArrayBuffer(byteString.length); + intArray = new Uint8Array(arrayBuffer); + qq.each(byteString, function(idx, character) { + intArray[idx] = character.charCodeAt(0); + }); + + return createBlob(arrayBuffer, mimeString); + }; + + qq.log = function(message, level) { + if (window.console) { + if (!level || level === "info") { + window.console.log(message); + } + else + { + if (window.console[level]) { + window.console[level](message); + } + else { + window.console.log("<" + level + "> " + message); + } + } + } + }; + + qq.isObject = function(variable) { + return variable && !variable.nodeType && Object.prototype.toString.call(variable) === "[object Object]"; + }; + + qq.isFunction = function(variable) { + return typeof (variable) === "function"; + }; + + /** + * Check the type of a value. Is it an "array"? + * + * @param value value to test. + * @returns true if the value is an array or associated with an `ArrayBuffer` + */ + qq.isArray = function(value) { + return Object.prototype.toString.call(value) === "[object Array]" || + (value && window.ArrayBuffer && value.buffer && value.buffer.constructor === ArrayBuffer); + }; + + // Looks for an object on a `DataTransfer` object that is associated with drop events when utilizing the Filesystem API. + qq.isItemList = function(maybeItemList) { + return Object.prototype.toString.call(maybeItemList) === "[object DataTransferItemList]"; + }; + + // Looks for an object on a `NodeList` or an `HTMLCollection`|`HTMLFormElement`|`HTMLSelectElement` + // object that is associated with collections of Nodes. + qq.isNodeList = function(maybeNodeList) { + return Object.prototype.toString.call(maybeNodeList) === "[object NodeList]" || + // If `HTMLCollection` is the actual type of the object, we must determine this + // by checking for expected properties/methods on the object + (maybeNodeList.item && maybeNodeList.namedItem); + }; + + qq.isString = function(maybeString) { + return Object.prototype.toString.call(maybeString) === "[object String]"; + }; + + qq.trimStr = function(string) { + if (String.prototype.trim) { + return string.trim(); + } + + return string.replace(/^\s+|\s+$/g, ""); + }; + + /** + * @param str String to format. + * @returns {string} A string, swapping argument values with the associated occurrence of {} in the passed string. + */ + qq.format = function(str) { + + var args = Array.prototype.slice.call(arguments, 1), + newStr = str, + nextIdxToReplace = newStr.indexOf("{}"); + + qq.each(args, function(idx, val) { + var strBefore = newStr.substring(0, nextIdxToReplace), + strAfter = newStr.substring(nextIdxToReplace + 2); + + newStr = strBefore + val + strAfter; + nextIdxToReplace = newStr.indexOf("{}", nextIdxToReplace + val.length); + + // End the loop if we have run out of tokens (when the arguments exceed the # of tokens) + if (nextIdxToReplace < 0) { + return false; + } + }); + + return newStr; + }; + + qq.isFile = function(maybeFile) { + return window.File && Object.prototype.toString.call(maybeFile) === "[object File]"; + }; + + qq.isFileList = function(maybeFileList) { + return window.FileList && Object.prototype.toString.call(maybeFileList) === "[object FileList]"; + }; + + qq.isFileOrInput = function(maybeFileOrInput) { + return qq.isFile(maybeFileOrInput) || qq.isInput(maybeFileOrInput); + }; + + qq.isInput = function(maybeInput, notFile) { + var evaluateType = function(type) { + var normalizedType = type.toLowerCase(); + + if (notFile) { + return normalizedType !== "file"; + } + + return normalizedType === "file"; + }; + + if (window.HTMLInputElement) { + if (Object.prototype.toString.call(maybeInput) === "[object HTMLInputElement]") { + if (maybeInput.type && evaluateType(maybeInput.type)) { + return true; + } + } + } + if (maybeInput.tagName) { + if (maybeInput.tagName.toLowerCase() === "input") { + if (maybeInput.type && evaluateType(maybeInput.type)) { + return true; + } + } + } + + return false; + }; + + qq.isBlob = function(maybeBlob) { + if (window.Blob && Object.prototype.toString.call(maybeBlob) === "[object Blob]") { + return true; + } + }; + + qq.isXhrUploadSupported = function() { + var input = document.createElement("input"); + input.type = "file"; + + return ( + input.multiple !== undefined && + typeof File !== "undefined" && + typeof FormData !== "undefined" && + typeof (qq.createXhrInstance()).upload !== "undefined"); + }; + + // Fall back to ActiveX is native XHR is disabled (possible in any version of IE). + qq.createXhrInstance = function() { + if (window.XMLHttpRequest) { + return new XMLHttpRequest(); + } + + try { + return new ActiveXObject("MSXML2.XMLHTTP.3.0"); + } + catch (error) { + qq.log("Neither XHR or ActiveX are supported!", "error"); + return null; + } + }; + + qq.isFolderDropSupported = function(dataTransfer) { + return dataTransfer.items && + dataTransfer.items.length > 0 && + dataTransfer.items[0].webkitGetAsEntry; + }; + + qq.isFileChunkingSupported = function() { + return !qq.androidStock() && //Android's stock browser cannot upload Blobs correctly + qq.isXhrUploadSupported() && + (File.prototype.slice !== undefined || File.prototype.webkitSlice !== undefined || File.prototype.mozSlice !== undefined); + }; + + qq.sliceBlob = function(fileOrBlob, start, end) { + var slicer = fileOrBlob.slice || fileOrBlob.mozSlice || fileOrBlob.webkitSlice; + + return slicer.call(fileOrBlob, start, end); + }; + + qq.arrayBufferToHex = function(buffer) { + var bytesAsHex = "", + bytes = new Uint8Array(buffer); + + qq.each(bytes, function(idx, byt) { + var byteAsHexStr = byt.toString(16); + + if (byteAsHexStr.length < 2) { + byteAsHexStr = "0" + byteAsHexStr; + } + + bytesAsHex += byteAsHexStr; + }); + + return bytesAsHex; + }; + + qq.readBlobToHex = function(blob, startOffset, length) { + var initialBlob = qq.sliceBlob(blob, startOffset, startOffset + length), + fileReader = new FileReader(), + promise = new qq.Promise(); + + fileReader.onload = function() { + promise.success(qq.arrayBufferToHex(fileReader.result)); + }; + + fileReader.onerror = promise.failure; + + fileReader.readAsArrayBuffer(initialBlob); + + return promise; + }; + + qq.extend = function(first, second, extendNested) { + qq.each(second, function(prop, val) { + if (extendNested && qq.isObject(val)) { + if (first[prop] === undefined) { + first[prop] = {}; + } + qq.extend(first[prop], val, true); + } + else { + first[prop] = val; + } + }); + + return first; + }; + + /** + * Allow properties in one object to override properties in another, + * keeping track of the original values from the target object. + * + * Note that the pre-overriden properties to be overriden by the source will be passed into the `sourceFn` when it is invoked. + * + * @param target Update properties in this object from some source + * @param sourceFn A function that, when invoked, will return properties that will replace properties with the same name in the target. + * @returns {object} The target object + */ + qq.override = function(target, sourceFn) { + var super_ = {}, + source = sourceFn(super_); + + qq.each(source, function(srcPropName, srcPropVal) { + if (target[srcPropName] !== undefined) { + super_[srcPropName] = target[srcPropName]; + } + + target[srcPropName] = srcPropVal; + }); + + return target; + }; + + /** + * Searches for a given element (elt) in the array, returns -1 if it is not present. + */ + qq.indexOf = function(arr, elt, from) { + if (arr.indexOf) { + return arr.indexOf(elt, from); + } + + from = from || 0; + var len = arr.length; + + if (from < 0) { + from += len; + } + + for (; from < len; from += 1) { + if (arr.hasOwnProperty(from) && arr[from] === elt) { + return from; + } + } + return -1; + }; + + //this is a version 4 UUID + qq.getUniqueId = function() { + return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) { + /*jslint eqeq: true, bitwise: true*/ + var r = Math.random() * 16 | 0, v = c == "x" ? r : (r & 0x3 | 0x8); + return v.toString(16); + }); + }; + + // + // Browsers and platforms detection + qq.ie = function() { + return navigator.userAgent.indexOf("MSIE") !== -1 || + navigator.userAgent.indexOf("Trident") !== -1; + }; + + qq.ie7 = function() { + return navigator.userAgent.indexOf("MSIE 7") !== -1; + }; + + qq.ie8 = function() { + return navigator.userAgent.indexOf("MSIE 8") !== -1; + }; + + qq.ie10 = function() { + return navigator.userAgent.indexOf("MSIE 10") !== -1; + }; + + qq.ie11 = function() { + return qq.ie() && navigator.userAgent.indexOf("rv:11") !== -1; + }; + + qq.edge = function() { + return navigator.userAgent.indexOf("Edge") >= 0; + }; + + qq.safari = function() { + return navigator.vendor !== undefined && navigator.vendor.indexOf("Apple") !== -1; + }; + + qq.chrome = function() { + return navigator.vendor !== undefined && navigator.vendor.indexOf("Google") !== -1; + }; + + qq.opera = function() { + return navigator.vendor !== undefined && navigator.vendor.indexOf("Opera") !== -1; + }; + + qq.firefox = function() { + return (!qq.edge() && !qq.ie11() && navigator.userAgent.indexOf("Mozilla") !== -1 && navigator.vendor !== undefined && navigator.vendor === ""); + }; + + qq.windows = function() { + return navigator.platform === "Win32"; + }; + + qq.android = function() { + return navigator.userAgent.toLowerCase().indexOf("android") !== -1; + }; + + // We need to identify the Android stock browser via the UA string to work around various bugs in this browser, + // such as the one that prevents a `Blob` from being uploaded. + qq.androidStock = function() { + return qq.android() && navigator.userAgent.toLowerCase().indexOf("chrome") < 0; + }; + + qq.ios6 = function() { + return qq.ios() && navigator.userAgent.indexOf(" OS 6_") !== -1; + }; + + qq.ios7 = function() { + return qq.ios() && navigator.userAgent.indexOf(" OS 7_") !== -1; + }; + + qq.ios8 = function() { + return qq.ios() && navigator.userAgent.indexOf(" OS 8_") !== -1; + }; + + // iOS 8.0.0 + qq.ios800 = function() { + return qq.ios() && navigator.userAgent.indexOf(" OS 8_0 ") !== -1; + }; + + qq.ios = function() { + /*jshint -W014 */ + return navigator.userAgent.indexOf("iPad") !== -1 + || navigator.userAgent.indexOf("iPod") !== -1 + || navigator.userAgent.indexOf("iPhone") !== -1; + }; + + qq.iosChrome = function() { + return qq.ios() && navigator.userAgent.indexOf("CriOS") !== -1; + }; + + qq.iosSafari = function() { + return qq.ios() && !qq.iosChrome() && navigator.userAgent.indexOf("Safari") !== -1; + }; + + qq.iosSafariWebView = function() { + return qq.ios() && !qq.iosChrome() && !qq.iosSafari(); + }; + + // + // Events + + qq.preventDefault = function(e) { + if (e.preventDefault) { + e.preventDefault(); + } else { + e.returnValue = false; + } + }; + + /** + * Creates and returns element from html string + * Uses innerHTML to create an element + */ + qq.toElement = (function() { + var div = document.createElement("div"); + return function(html) { + div.innerHTML = html; + var element = div.firstChild; + div.removeChild(element); + return element; + }; + }()); + + //key and value are passed to callback for each entry in the iterable item + qq.each = function(iterableItem, callback) { + var keyOrIndex, retVal; + + if (iterableItem) { + // Iterate through [`Storage`](http://www.w3.org/TR/webstorage/#the-storage-interface) items + if (window.Storage && iterableItem.constructor === window.Storage) { + for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) { + retVal = callback(iterableItem.key(keyOrIndex), iterableItem.getItem(iterableItem.key(keyOrIndex))); + if (retVal === false) { + break; + } + } + } + // `DataTransferItemList` & `NodeList` objects are array-like and should be treated as arrays + // when iterating over items inside the object. + else if (qq.isArray(iterableItem) || qq.isItemList(iterableItem) || qq.isNodeList(iterableItem)) { + for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) { + retVal = callback(keyOrIndex, iterableItem[keyOrIndex]); + if (retVal === false) { + break; + } + } + } + else if (qq.isString(iterableItem)) { + for (keyOrIndex = 0; keyOrIndex < iterableItem.length; keyOrIndex++) { + retVal = callback(keyOrIndex, iterableItem.charAt(keyOrIndex)); + if (retVal === false) { + break; + } + } + } + else { + for (keyOrIndex in iterableItem) { + if (Object.prototype.hasOwnProperty.call(iterableItem, keyOrIndex)) { + retVal = callback(keyOrIndex, iterableItem[keyOrIndex]); + if (retVal === false) { + break; + } + } + } + } + } + }; + + //include any args that should be passed to the new function after the context arg + qq.bind = function(oldFunc, context) { + if (qq.isFunction(oldFunc)) { + var args = Array.prototype.slice.call(arguments, 2); + + return function() { + var newArgs = qq.extend([], args); + if (arguments.length) { + newArgs = newArgs.concat(Array.prototype.slice.call(arguments)); + } + return oldFunc.apply(context, newArgs); + }; + } + + throw new Error("first parameter must be a function!"); + }; + + /** + * obj2url() takes a json-object as argument and generates + * a querystring. pretty much like jQuery.param() + * + * how to use: + * + * `qq.obj2url({a:'b',c:'d'},'http://any.url/upload?otherParam=value');` + * + * will result in: + * + * `http://any.url/upload?otherParam=value&a=b&c=d` + * + * @param Object JSON-Object + * @param String current querystring-part + * @return String encoded querystring + */ + qq.obj2url = function(obj, temp, prefixDone) { + /*jshint laxbreak: true*/ + var uristrings = [], + prefix = "&", + add = function(nextObj, i) { + var nextTemp = temp + ? (/\[\]$/.test(temp)) // prevent double-encoding + ? temp + : temp + "[" + i + "]" + : i; + if ((nextTemp !== "undefined") && (i !== "undefined")) { + uristrings.push( + (typeof nextObj === "object") + ? qq.obj2url(nextObj, nextTemp, true) + : (Object.prototype.toString.call(nextObj) === "[object Function]") + ? encodeURIComponent(nextTemp) + "=" + encodeURIComponent(nextObj()) + : encodeURIComponent(nextTemp) + "=" + encodeURIComponent(nextObj) + ); + } + }; + + if (!prefixDone && temp) { + prefix = (/\?/.test(temp)) ? (/\?$/.test(temp)) ? "" : "&" : "?"; + uristrings.push(temp); + uristrings.push(qq.obj2url(obj)); + } else if ((Object.prototype.toString.call(obj) === "[object Array]") && (typeof obj !== "undefined")) { + qq.each(obj, function(idx, val) { + add(val, idx); + }); + } else if ((typeof obj !== "undefined") && (obj !== null) && (typeof obj === "object")) { + qq.each(obj, function(prop, val) { + add(val, prop); + }); + } else { + uristrings.push(encodeURIComponent(temp) + "=" + encodeURIComponent(obj)); + } + + if (temp) { + return uristrings.join(prefix); + } else { + return uristrings.join(prefix) + .replace(/^&/, "") + .replace(/%20/g, "+"); + } + }; + + qq.obj2FormData = function(obj, formData, arrayKeyName) { + if (!formData) { + formData = new FormData(); + } + + qq.each(obj, function(key, val) { + key = arrayKeyName ? arrayKeyName + "[" + key + "]" : key; + + if (qq.isObject(val)) { + qq.obj2FormData(val, formData, key); + } + else if (qq.isFunction(val)) { + formData.append(key, val()); + } + else { + formData.append(key, val); + } + }); + + return formData; + }; + + qq.obj2Inputs = function(obj, form) { + var input; + + if (!form) { + form = document.createElement("form"); + } + + qq.obj2FormData(obj, { + append: function(key, val) { + input = document.createElement("input"); + input.setAttribute("name", key); + input.setAttribute("value", val); + form.appendChild(input); + } + }); + + return form; + }; + + /** + * Not recommended for use outside of Fine Uploader since this falls back to an unchecked eval if JSON.parse is not + * implemented. For a more secure JSON.parse polyfill, use Douglas Crockford's json2.js. + */ + qq.parseJson = function(json) { + /*jshint evil: true*/ + if (window.JSON && qq.isFunction(JSON.parse)) { + return JSON.parse(json); + } else { + return eval("(" + json + ")"); + } + }; + + /** + * Retrieve the extension of a file, if it exists. + * + * @param filename + * @returns {string || undefined} + */ + qq.getExtension = function(filename) { + var extIdx = filename.lastIndexOf(".") + 1; + + if (extIdx > 0) { + return filename.substr(extIdx, filename.length - extIdx); + } + }; + + qq.getFilename = function(blobOrFileInput) { + /*jslint regexp: true*/ + + if (qq.isInput(blobOrFileInput)) { + // get input value and remove path to normalize + return blobOrFileInput.value.replace(/.*(\/|\\)/, ""); + } + else if (qq.isFile(blobOrFileInput)) { + if (blobOrFileInput.fileName !== null && blobOrFileInput.fileName !== undefined) { + return blobOrFileInput.fileName; + } + } + + return blobOrFileInput.name; + }; + + /** + * A generic module which supports object disposing in dispose() method. + * */ + qq.DisposeSupport = function() { + var disposers = []; + + return { + /** Run all registered disposers */ + dispose: function() { + var disposer; + do { + disposer = disposers.shift(); + if (disposer) { + disposer(); + } + } + while (disposer); + }, + + /** Attach event handler and register de-attacher as a disposer */ + attach: function() { + var args = arguments; + /*jslint undef:true*/ + this.addDisposer(qq(args[0]).attach.apply(this, Array.prototype.slice.call(arguments, 1))); + }, + + /** Add disposer to the collection */ + addDisposer: function(disposeFunction) { + disposers.push(disposeFunction); + } + }; + }; +}()); + +/* globals qq */ +/** + * Fine Uploader top-level Error container. Inherits from `Error`. + */ +(function() { + "use strict"; + + qq.Error = function(message) { + this.message = "[Fine Uploader " + qq.version + "] " + message; + }; + + qq.Error.prototype = new Error(); +}()); + +/*global qq */ +qq.version = "5.10.0"; + +/* globals qq */ +qq.supportedFeatures = (function() { + "use strict"; + + var supportsUploading, + supportsUploadingBlobs, + supportsFileDrop, + supportsAjaxFileUploading, + supportsFolderDrop, + supportsChunking, + supportsResume, + supportsUploadViaPaste, + supportsUploadCors, + supportsDeleteFileXdr, + supportsDeleteFileCorsXhr, + supportsDeleteFileCors, + supportsFolderSelection, + supportsImagePreviews, + supportsUploadProgress; + + function testSupportsFileInputElement() { + var supported = true, + tempInput; + + try { + tempInput = document.createElement("input"); + tempInput.type = "file"; + qq(tempInput).hide(); + + if (tempInput.disabled) { + supported = false; + } + } + catch (ex) { + supported = false; + } + + return supported; + } + + //only way to test for Filesystem API support since webkit does not expose the DataTransfer interface + function isChrome21OrHigher() { + return (qq.chrome() || qq.opera()) && + navigator.userAgent.match(/Chrome\/[2][1-9]|Chrome\/[3-9][0-9]/) !== undefined; + } + + //only way to test for complete Clipboard API support at this time + function isChrome14OrHigher() { + return (qq.chrome() || qq.opera()) && + navigator.userAgent.match(/Chrome\/[1][4-9]|Chrome\/[2-9][0-9]/) !== undefined; + } + + //Ensure we can send cross-origin `XMLHttpRequest`s + function isCrossOriginXhrSupported() { + if (window.XMLHttpRequest) { + var xhr = qq.createXhrInstance(); + + //Commonly accepted test for XHR CORS support. + return xhr.withCredentials !== undefined; + } + + return false; + } + + //Test for (terrible) cross-origin ajax transport fallback for IE9 and IE8 + function isXdrSupported() { + return window.XDomainRequest !== undefined; + } + + // CORS Ajax requests are supported if it is either possible to send credentialed `XMLHttpRequest`s, + // or if `XDomainRequest` is an available alternative. + function isCrossOriginAjaxSupported() { + if (isCrossOriginXhrSupported()) { + return true; + } + + return isXdrSupported(); + } + + function isFolderSelectionSupported() { + // We know that folder selection is only supported in Chrome via this proprietary attribute for now + return document.createElement("input").webkitdirectory !== undefined; + } + + function isLocalStorageSupported() { + try { + return !!window.localStorage && + // unpatched versions of IE10/11 have buggy impls of localStorage where setItem is a string + qq.isFunction(window.localStorage.setItem); + } + catch (error) { + // probably caught a security exception, so no localStorage for you + return false; + } + } + + function isDragAndDropSupported() { + var span = document.createElement("span"); + + return ("draggable" in span || ("ondragstart" in span && "ondrop" in span)) && + !qq.android() && !qq.ios(); + } + + supportsUploading = testSupportsFileInputElement(); + + supportsAjaxFileUploading = supportsUploading && qq.isXhrUploadSupported(); + + supportsUploadingBlobs = supportsAjaxFileUploading && !qq.androidStock(); + + supportsFileDrop = supportsAjaxFileUploading && isDragAndDropSupported(); + + supportsFolderDrop = supportsFileDrop && isChrome21OrHigher(); + + supportsChunking = supportsAjaxFileUploading && qq.isFileChunkingSupported(); + + supportsResume = supportsAjaxFileUploading && supportsChunking && isLocalStorageSupported(); + + supportsUploadViaPaste = supportsAjaxFileUploading && isChrome14OrHigher(); + + supportsUploadCors = supportsUploading && (window.postMessage !== undefined || supportsAjaxFileUploading); + + supportsDeleteFileCorsXhr = isCrossOriginXhrSupported(); + + supportsDeleteFileXdr = isXdrSupported(); + + supportsDeleteFileCors = isCrossOriginAjaxSupported(); + + supportsFolderSelection = isFolderSelectionSupported(); + + supportsImagePreviews = supportsAjaxFileUploading && window.FileReader !== undefined; + + supportsUploadProgress = (function() { + if (supportsAjaxFileUploading) { + return !qq.androidStock() && !qq.iosChrome(); + } + return false; + }()); + + return { + ajaxUploading: supportsAjaxFileUploading, + blobUploading: supportsUploadingBlobs, + canDetermineSize: supportsAjaxFileUploading, + chunking: supportsChunking, + deleteFileCors: supportsDeleteFileCors, + deleteFileCorsXdr: supportsDeleteFileXdr, //NOTE: will also return true in IE10, where XDR is also supported + deleteFileCorsXhr: supportsDeleteFileCorsXhr, + dialogElement: !!window.HTMLDialogElement, + fileDrop: supportsFileDrop, + folderDrop: supportsFolderDrop, + folderSelection: supportsFolderSelection, + imagePreviews: supportsImagePreviews, + imageValidation: supportsImagePreviews, + itemSizeValidation: supportsAjaxFileUploading, + pause: supportsChunking, + progressBar: supportsUploadProgress, + resume: supportsResume, + scaling: supportsImagePreviews && supportsUploadingBlobs, + tiffPreviews: qq.safari(), // Not the best solution, but simple and probably accurate enough (for now) + unlimitedScaledImageSize: !qq.ios(), // false simply indicates that there is some known limit + uploading: supportsUploading, + uploadCors: supportsUploadCors, + uploadCustomHeaders: supportsAjaxFileUploading, + uploadNonMultipart: supportsAjaxFileUploading, + uploadViaPaste: supportsUploadViaPaste + }; + +}()); + +/*globals qq*/ + +// Is the passed object a promise instance? +qq.isGenericPromise = function(maybePromise) { + "use strict"; + return !!(maybePromise && maybePromise.then && qq.isFunction(maybePromise.then)); +}; + +qq.Promise = function() { + "use strict"; + + var successArgs, failureArgs, + successCallbacks = [], + failureCallbacks = [], + doneCallbacks = [], + state = 0; + + qq.extend(this, { + then: function(onSuccess, onFailure) { + if (state === 0) { + if (onSuccess) { + successCallbacks.push(onSuccess); + } + if (onFailure) { + failureCallbacks.push(onFailure); + } + } + else if (state === -1) { + onFailure && onFailure.apply(null, failureArgs); + } + else if (onSuccess) { + onSuccess.apply(null, successArgs); + } + + return this; + }, + + done: function(callback) { + if (state === 0) { + doneCallbacks.push(callback); + } + else { + callback.apply(null, failureArgs === undefined ? successArgs : failureArgs); + } + + return this; + }, + + success: function() { + state = 1; + successArgs = arguments; + + if (successCallbacks.length) { + qq.each(successCallbacks, function(idx, callback) { + callback.apply(null, successArgs); + }); + } + + if (doneCallbacks.length) { + qq.each(doneCallbacks, function(idx, callback) { + callback.apply(null, successArgs); + }); + } + + return this; + }, + + failure: function() { + state = -1; + failureArgs = arguments; + + if (failureCallbacks.length) { + qq.each(failureCallbacks, function(idx, callback) { + callback.apply(null, failureArgs); + }); + } + + if (doneCallbacks.length) { + qq.each(doneCallbacks, function(idx, callback) { + callback.apply(null, failureArgs); + }); + } + + return this; + } + }); +}; + +/* globals qq */ +/** + * Placeholder for a Blob that will be generated on-demand. + * + * @param referenceBlob Parent of the generated blob + * @param onCreate Function to invoke when the blob must be created. Must be promissory. + * @constructor + */ +qq.BlobProxy = function(referenceBlob, onCreate) { + "use strict"; + + qq.extend(this, { + referenceBlob: referenceBlob, + + create: function() { + return onCreate(referenceBlob); + } + }); +}; + +/*globals qq*/ + +/** + * This module represents an upload or "Select File(s)" button. It's job is to embed an opaque `<input type="file">` + * element as a child of a provided "container" element. This "container" element (`options.element`) is used to provide + * a custom style for the `<input type="file">` element. The ability to change the style of the container element is also + * provided here by adding CSS classes to the container on hover/focus. + * + * TODO Eliminate the mouseover and mouseout event handlers since the :hover CSS pseudo-class should now be + * available on all supported browsers. + * + * @param o Options to override the default values + */ +qq.UploadButton = function(o) { + "use strict"; + + var self = this, + + disposeSupport = new qq.DisposeSupport(), + + options = { + // Corresponds to the `accept` attribute on the associated `<input type="file">` + acceptFiles: null, + + // "Container" element + element: null, + + focusClass: "qq-upload-button-focus", + + // A true value allows folders to be selected, if supported by the UA + folders: false, + + // **This option will be removed** in the future as the :hover CSS pseudo-class is available on all supported browsers + hoverClass: "qq-upload-button-hover", + + ios8BrowserCrashWorkaround: false, + + // If true adds `multiple` attribute to `<input type="file">` + multiple: false, + + // `name` attribute of `<input type="file">` + name: "qqfile", + + // Called when the browser invokes the onchange handler on the `<input type="file">` + onChange: function(input) {}, + + title: null + }, + input, buttonId; + + // Overrides any of the default option values with any option values passed in during construction. + qq.extend(options, o); + + buttonId = qq.getUniqueId(); + + // Embed an opaque `<input type="file">` element as a child of `options.element`. + function createInput() { + var input = document.createElement("input"); + + input.setAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME, buttonId); + input.setAttribute("title", options.title); + + self.setMultiple(options.multiple, input); + + if (options.folders && qq.supportedFeatures.folderSelection) { + // selecting directories is only possible in Chrome now, via a vendor-specific prefixed attribute + input.setAttribute("webkitdirectory", ""); + } + + if (options.acceptFiles) { + input.setAttribute("accept", options.acceptFiles); + } + + input.setAttribute("type", "file"); + input.setAttribute("name", options.name); + + qq(input).css({ + position: "absolute", + // in Opera only 'browse' button + // is clickable and it is located at + // the right side of the input + right: 0, + top: 0, + fontFamily: "Arial", + // It's especially important to make this an arbitrarily large value + // to ensure the rendered input button in IE takes up the entire + // space of the container element. Otherwise, the left side of the + // button will require a double-click to invoke the file chooser. + // In other browsers, this might cause other issues, so a large font-size + // is only used in IE. There is a bug in IE8 where the opacity style is ignored + // in some cases when the font-size is large. So, this workaround is not applied + // to IE8. + fontSize: qq.ie() && !qq.ie8() ? "3500px" : "118px", + margin: 0, + padding: 0, + cursor: "pointer", + opacity: 0 + }); + + // Setting the file input's height to 100% in IE7 causes + // most of the visible button to be unclickable. + !qq.ie7() && qq(input).css({height: "100%"}); + + options.element.appendChild(input); + + disposeSupport.attach(input, "change", function() { + options.onChange(input); + }); + + // **These event handlers will be removed** in the future as the :hover CSS pseudo-class is available on all supported browsers + disposeSupport.attach(input, "mouseover", function() { + qq(options.element).addClass(options.hoverClass); + }); + disposeSupport.attach(input, "mouseout", function() { + qq(options.element).removeClass(options.hoverClass); + }); + + disposeSupport.attach(input, "focus", function() { + qq(options.element).addClass(options.focusClass); + }); + disposeSupport.attach(input, "blur", function() { + qq(options.element).removeClass(options.focusClass); + }); + + return input; + } + + // Make button suitable container for input + qq(options.element).css({ + position: "relative", + overflow: "hidden", + // Make sure browse button is in the right side in Internet Explorer + direction: "ltr" + }); + + // Exposed API + qq.extend(this, { + getInput: function() { + return input; + }, + + getButtonId: function() { + return buttonId; + }, + + setMultiple: function(isMultiple, optInput) { + var input = optInput || this.getInput(); + + // Temporary workaround for bug in in iOS8 UIWebView that causes the browser to crash + // before the file chooser appears if the file input doesn't contain a multiple attribute. + // See #1283. + if (options.ios8BrowserCrashWorkaround && qq.ios8() && (qq.iosChrome() || qq.iosSafariWebView())) { + input.setAttribute("multiple", ""); + } + + else { + if (isMultiple) { + input.setAttribute("multiple", ""); + } + else { + input.removeAttribute("multiple"); + } + } + }, + + setAcceptFiles: function(acceptFiles) { + if (acceptFiles !== options.acceptFiles) { + input.setAttribute("accept", acceptFiles); + } + }, + + reset: function() { + if (input.parentNode) { + qq(input).remove(); + } + + qq(options.element).removeClass(options.focusClass); + input = null; + input = createInput(); + } + }); + + input = createInput(); +}; + +qq.UploadButton.BUTTON_ID_ATTR_NAME = "qq-button-id"; + +/*globals qq */ +qq.UploadData = function(uploaderProxy) { + "use strict"; + + var data = [], + byUuid = {}, + byStatus = {}, + byProxyGroupId = {}, + byBatchId = {}; + + function getDataByIds(idOrIds) { + if (qq.isArray(idOrIds)) { + var entries = []; + + qq.each(idOrIds, function(idx, id) { + entries.push(data[id]); + }); + + return entries; + } + + return data[idOrIds]; + } + + function getDataByUuids(uuids) { + if (qq.isArray(uuids)) { + var entries = []; + + qq.each(uuids, function(idx, uuid) { + entries.push(data[byUuid[uuid]]); + }); + + return entries; + } + + return data[byUuid[uuids]]; + } + + function getDataByStatus(status) { + var statusResults = [], + statuses = [].concat(status); + + qq.each(statuses, function(index, statusEnum) { + var statusResultIndexes = byStatus[statusEnum]; + + if (statusResultIndexes !== undefined) { + qq.each(statusResultIndexes, function(i, dataIndex) { + statusResults.push(data[dataIndex]); + }); + } + }); + + return statusResults; + } + + qq.extend(this, { + /** + * Adds a new file to the data cache for tracking purposes. + * + * @param spec Data that describes this file. Possible properties are: + * + * - uuid: Initial UUID for this file. + * - name: Initial name of this file. + * - size: Size of this file, omit if this cannot be determined + * - status: Initial `qq.status` for this file. Omit for `qq.status.SUBMITTING`. + * - batchId: ID of the batch this file belongs to + * - proxyGroupId: ID of the proxy group associated with this file + * + * @returns {number} Internal ID for this file. + */ + addFile: function(spec) { + var status = spec.status || qq.status.SUBMITTING, + id = data.push({ + name: spec.name, + originalName: spec.name, + uuid: spec.uuid, + size: spec.size == null ? -1 : spec.size, + status: status + }) - 1; + + if (spec.batchId) { + data[id].batchId = spec.batchId; + + if (byBatchId[spec.batchId] === undefined) { + byBatchId[spec.batchId] = []; + } + byBatchId[spec.batchId].push(id); + } + + if (spec.proxyGroupId) { + data[id].proxyGroupId = spec.proxyGroupId; + + if (byProxyGroupId[spec.proxyGroupId] === undefined) { + byProxyGroupId[spec.proxyGroupId] = []; + } + byProxyGroupId[spec.proxyGroupId].push(id); + } + + data[id].id = id; + byUuid[spec.uuid] = id; + + if (byStatus[status] === undefined) { + byStatus[status] = []; + } + byStatus[status].push(id); + + uploaderProxy.onStatusChange(id, null, status); + + return id; + }, + + retrieve: function(optionalFilter) { + if (qq.isObject(optionalFilter) && data.length) { + if (optionalFilter.id !== undefined) { + return getDataByIds(optionalFilter.id); + } + + else if (optionalFilter.uuid !== undefined) { + return getDataByUuids(optionalFilter.uuid); + } + + else if (optionalFilter.status) { + return getDataByStatus(optionalFilter.status); + } + } + else { + return qq.extend([], data, true); + } + }, + + reset: function() { + data = []; + byUuid = {}; + byStatus = {}; + byBatchId = {}; + }, + + setStatus: function(id, newStatus) { + var oldStatus = data[id].status, + byStatusOldStatusIndex = qq.indexOf(byStatus[oldStatus], id); + + byStatus[oldStatus].splice(byStatusOldStatusIndex, 1); + + data[id].status = newStatus; + + if (byStatus[newStatus] === undefined) { + byStatus[newStatus] = []; + } + byStatus[newStatus].push(id); + + uploaderProxy.onStatusChange(id, oldStatus, newStatus); + }, + + uuidChanged: function(id, newUuid) { + var oldUuid = data[id].uuid; + + data[id].uuid = newUuid; + byUuid[newUuid] = id; + delete byUuid[oldUuid]; + }, + + updateName: function(id, newName) { + data[id].name = newName; + }, + + updateSize: function(id, newSize) { + data[id].size = newSize; + }, + + // Only applicable if this file has a parent that we may want to reference later. + setParentId: function(targetId, parentId) { + data[targetId].parentId = parentId; + }, + + getIdsInProxyGroup: function(id) { + var proxyGroupId = data[id].proxyGroupId; + + if (proxyGroupId) { + return byProxyGroupId[proxyGroupId]; + } + return []; + }, + + getIdsInBatch: function(id) { + var batchId = data[id].batchId; + + return byBatchId[batchId]; + } + }); +}; + +qq.status = { + SUBMITTING: "submitting", + SUBMITTED: "submitted", + REJECTED: "rejected", + QUEUED: "queued", + CANCELED: "canceled", + PAUSED: "paused", + UPLOADING: "uploading", + UPLOAD_RETRYING: "retrying upload", + UPLOAD_SUCCESSFUL: "upload successful", + UPLOAD_FAILED: "upload failed", + DELETE_FAILED: "delete failed", + DELETING: "deleting", + DELETED: "deleted" +}; + +/*globals qq*/ +/** + * Defines the public API for FineUploaderBasic mode. + */ +(function() { + "use strict"; + + qq.basePublicApi = { + // DEPRECATED - TODO REMOVE IN NEXT MAJOR RELEASE (replaced by addFiles) + addBlobs: function(blobDataOrArray, params, endpoint) { + this.addFiles(blobDataOrArray, params, endpoint); + }, + + addInitialFiles: function(cannedFileList) { + var self = this; + + qq.each(cannedFileList, function(index, cannedFile) { + self._addCannedFile(cannedFile); + }); + }, + + addFiles: function(data, params, endpoint) { + this._maybeHandleIos8SafariWorkaround(); + + var batchId = this._storedIds.length === 0 ? qq.getUniqueId() : this._currentBatchId, + + processBlob = qq.bind(function(blob) { + this._handleNewFile({ + blob: blob, + name: this._options.blobs.defaultName + }, batchId, verifiedFiles); + }, this), + + processBlobData = qq.bind(function(blobData) { + this._handleNewFile(blobData, batchId, verifiedFiles); + }, this), + + processCanvas = qq.bind(function(canvas) { + var blob = qq.canvasToBlob(canvas); + + this._handleNewFile({ + blob: blob, + name: this._options.blobs.defaultName + ".png" + }, batchId, verifiedFiles); + }, this), + + processCanvasData = qq.bind(function(canvasData) { + var normalizedQuality = canvasData.quality && canvasData.quality / 100, + blob = qq.canvasToBlob(canvasData.canvas, canvasData.type, normalizedQuality); + + this._handleNewFile({ + blob: blob, + name: canvasData.name + }, batchId, verifiedFiles); + }, this), + + processFileOrInput = qq.bind(function(fileOrInput) { + if (qq.isInput(fileOrInput) && qq.supportedFeatures.ajaxUploading) { + var files = Array.prototype.slice.call(fileOrInput.files), + self = this; + + qq.each(files, function(idx, file) { + self._handleNewFile(file, batchId, verifiedFiles); + }); + } + else { + this._handleNewFile(fileOrInput, batchId, verifiedFiles); + } + }, this), + + normalizeData = function() { + if (qq.isFileList(data)) { + data = Array.prototype.slice.call(data); + } + data = [].concat(data); + }, + + self = this, + verifiedFiles = []; + + this._currentBatchId = batchId; + + if (data) { + normalizeData(); + + qq.each(data, function(idx, fileContainer) { + if (qq.isFileOrInput(fileContainer)) { + processFileOrInput(fileContainer); + } + else if (qq.isBlob(fileContainer)) { + processBlob(fileContainer); + } + else if (qq.isObject(fileContainer)) { + if (fileContainer.blob && fileContainer.name) { + processBlobData(fileContainer); + } + else if (fileContainer.canvas && fileContainer.name) { + processCanvasData(fileContainer); + } + } + else if (fileContainer.tagName && fileContainer.tagName.toLowerCase() === "canvas") { + processCanvas(fileContainer); + } + else { + self.log(fileContainer + " is not a valid file container! Ignoring!", "warn"); + } + }); + + this.log("Received " + verifiedFiles.length + " files."); + this._prepareItemsForUpload(verifiedFiles, params, endpoint); + } + }, + + cancel: function(id) { + this._handler.cancel(id); + }, + + cancelAll: function() { + var storedIdsCopy = [], + self = this; + + qq.extend(storedIdsCopy, this._storedIds); + qq.each(storedIdsCopy, function(idx, storedFileId) { + self.cancel(storedFileId); + }); + + this._handler.cancelAll(); + }, + + clearStoredFiles: function() { + this._storedIds = []; + }, + + continueUpload: function(id) { + var uploadData = this._uploadData.retrieve({id: id}); + + if (!qq.supportedFeatures.pause || !this._options.chunking.enabled) { + return false; + } + + if (uploadData.status === qq.status.PAUSED) { + this.log(qq.format("Paused file ID {} ({}) will be continued. Not paused.", id, this.getName(id))); + this._uploadFile(id); + return true; + } + else { + this.log(qq.format("Ignoring continue for file ID {} ({}). Not paused.", id, this.getName(id)), "error"); + } + + return false; + }, + + deleteFile: function(id) { + return this._onSubmitDelete(id); + }, + + // TODO document? + doesExist: function(fileOrBlobId) { + return this._handler.isValid(fileOrBlobId); + }, + + // Generate a variable size thumbnail on an img or canvas, + // returning a promise that is fulfilled when the attempt completes. + // Thumbnail can either be based off of a URL for an image returned + // by the server in the upload response, or the associated `Blob`. + drawThumbnail: function(fileId, imgOrCanvas, maxSize, fromServer, customResizeFunction) { + var promiseToReturn = new qq.Promise(), + fileOrUrl, options; + + if (this._imageGenerator) { + fileOrUrl = this._thumbnailUrls[fileId]; + options = { + customResizeFunction: customResizeFunction, + maxSize: maxSize > 0 ? maxSize : null, + scale: maxSize > 0 + }; + + // If client-side preview generation is possible + // and we are not specifically looking for the image URl returned by the server... + if (!fromServer && qq.supportedFeatures.imagePreviews) { + fileOrUrl = this.getFile(fileId); + } + + /* jshint eqeqeq:false,eqnull:true */ + if (fileOrUrl == null) { + promiseToReturn.failure({container: imgOrCanvas, error: "File or URL not found."}); + } + else { + this._imageGenerator.generate(fileOrUrl, imgOrCanvas, options).then( + function success(modifiedContainer) { + promiseToReturn.success(modifiedContainer); + }, + + function failure(container, reason) { + promiseToReturn.failure({container: container, error: reason || "Problem generating thumbnail"}); + } + ); + } + } + else { + promiseToReturn.failure({container: imgOrCanvas, error: "Missing image generator module"}); + } + + return promiseToReturn; + }, + + getButton: function(fileId) { + return this._getButton(this._buttonIdsForFileIds[fileId]); + }, + + getEndpoint: function(fileId) { + return this._endpointStore.get(fileId); + }, + + getFile: function(fileOrBlobId) { + return this._handler.getFile(fileOrBlobId) || null; + }, + + getInProgress: function() { + return this._uploadData.retrieve({ + status: [ + qq.status.UPLOADING, + qq.status.UPLOAD_RETRYING, + qq.status.QUEUED + ] + }).length; + }, + + getName: function(id) { + return this._uploadData.retrieve({id: id}).name; + }, + + // Parent ID for a specific file, or null if this is the parent, or if it has no parent. + getParentId: function(id) { + var uploadDataEntry = this.getUploads({id: id}), + parentId = null; + + if (uploadDataEntry) { + if (uploadDataEntry.parentId !== undefined) { + parentId = uploadDataEntry.parentId; + } + } + + return parentId; + }, + + getResumableFilesData: function() { + return this._handler.getResumableFilesData(); + }, + + getSize: function(id) { + return this._uploadData.retrieve({id: id}).size; + }, + + getNetUploads: function() { + return this._netUploaded; + }, + + getRemainingAllowedItems: function() { + var allowedItems = this._currentItemLimit; + + if (allowedItems > 0) { + return allowedItems - this._netUploadedOrQueued; + } + + return null; + }, + + getUploads: function(optionalFilter) { + return this._uploadData.retrieve(optionalFilter); + }, + + getUuid: function(id) { + return this._uploadData.retrieve({id: id}).uuid; + }, + + log: function(str, level) { + if (this._options.debug && (!level || level === "info")) { + qq.log("[Fine Uploader " + qq.version + "] " + str); + } + else if (level && level !== "info") { + qq.log("[Fine Uploader " + qq.version + "] " + str, level); + + } + }, + + pauseUpload: function(id) { + var uploadData = this._uploadData.retrieve({id: id}); + + if (!qq.supportedFeatures.pause || !this._options.chunking.enabled) { + return false; + } + + // Pause only really makes sense if the file is uploading or retrying + if (qq.indexOf([qq.status.UPLOADING, qq.status.UPLOAD_RETRYING], uploadData.status) >= 0) { + if (this._handler.pause(id)) { + this._uploadData.setStatus(id, qq.status.PAUSED); + return true; + } + else { + this.log(qq.format("Unable to pause file ID {} ({}).", id, this.getName(id)), "error"); + } + } + else { + this.log(qq.format("Ignoring pause for file ID {} ({}). Not in progress.", id, this.getName(id)), "error"); + } + + return false; + }, + + reset: function() { + this.log("Resetting uploader..."); + + this._handler.reset(); + this._storedIds = []; + this._autoRetries = []; + this._retryTimeouts = []; + this._preventRetries = []; + this._thumbnailUrls = []; + + qq.each(this._buttons, function(idx, button) { + button.reset(); + }); + + this._paramsStore.reset(); + this._endpointStore.reset(); + this._netUploadedOrQueued = 0; + this._netUploaded = 0; + this._uploadData.reset(); + this._buttonIdsForFileIds = []; + + this._pasteHandler && this._pasteHandler.reset(); + this._options.session.refreshOnReset && this._refreshSessionData(); + + this._succeededSinceLastAllComplete = []; + this._failedSinceLastAllComplete = []; + + this._totalProgress && this._totalProgress.reset(); + }, + + retry: function(id) { + return this._manualRetry(id); + }, + + scaleImage: function(id, specs) { + var self = this; + + return qq.Scaler.prototype.scaleImage(id, specs, { + log: qq.bind(self.log, self), + getFile: qq.bind(self.getFile, self), + uploadData: self._uploadData + }); + }, + + setCustomHeaders: function(headers, id) { + this._customHeadersStore.set(headers, id); + }, + + setDeleteFileCustomHeaders: function(headers, id) { + this._deleteFileCustomHeadersStore.set(headers, id); + }, + + setDeleteFileEndpoint: function(endpoint, id) { + this._deleteFileEndpointStore.set(endpoint, id); + }, + + setDeleteFileParams: function(params, id) { + this._deleteFileParamsStore.set(params, id); + }, + + // Re-sets the default endpoint, an endpoint for a specific file, or an endpoint for a specific button + setEndpoint: function(endpoint, id) { + this._endpointStore.set(endpoint, id); + }, + + setForm: function(elementOrId) { + this._updateFormSupportAndParams(elementOrId); + }, + + setItemLimit: function(newItemLimit) { + this._currentItemLimit = newItemLimit; + }, + + setName: function(id, newName) { + this._uploadData.updateName(id, newName); + }, + + setParams: function(params, id) { + this._paramsStore.set(params, id); + }, + + setUuid: function(id, newUuid) { + return this._uploadData.uuidChanged(id, newUuid); + }, + + uploadStoredFiles: function() { + if (this._storedIds.length === 0) { + this._itemError("noFilesError"); + } + else { + this._uploadStoredFiles(); + } + } + }; + + /** + * Defines the private (internal) API for FineUploaderBasic mode. + */ + qq.basePrivateApi = { + // Updates internal state with a file record (not backed by a live file). Returns the assigned ID. + _addCannedFile: function(sessionData) { + var id = this._uploadData.addFile({ + uuid: sessionData.uuid, + name: sessionData.name, + size: sessionData.size, + status: qq.status.UPLOAD_SUCCESSFUL + }); + + sessionData.deleteFileEndpoint && this.setDeleteFileEndpoint(sessionData.deleteFileEndpoint, id); + sessionData.deleteFileParams && this.setDeleteFileParams(sessionData.deleteFileParams, id); + + if (sessionData.thumbnailUrl) { + this._thumbnailUrls[id] = sessionData.thumbnailUrl; + } + + this._netUploaded++; + this._netUploadedOrQueued++; + + return id; + }, + + _annotateWithButtonId: function(file, associatedInput) { + if (qq.isFile(file)) { + file.qqButtonId = this._getButtonId(associatedInput); + } + }, + + _batchError: function(message) { + this._options.callbacks.onError(null, null, message, undefined); + }, + + _createDeleteHandler: function() { + var self = this; + + return new qq.DeleteFileAjaxRequester({ + method: this._options.deleteFile.method.toUpperCase(), + maxConnections: this._options.maxConnections, + uuidParamName: this._options.request.uuidName, + customHeaders: this._deleteFileCustomHeadersStore, + paramsStore: this._deleteFileParamsStore, + endpointStore: this._deleteFileEndpointStore, + cors: this._options.cors, + log: qq.bind(self.log, self), + onDelete: function(id) { + self._onDelete(id); + self._options.callbacks.onDelete(id); + }, + onDeleteComplete: function(id, xhrOrXdr, isError) { + self._onDeleteComplete(id, xhrOrXdr, isError); + self._options.callbacks.onDeleteComplete(id, xhrOrXdr, isError); + } + + }); + }, + + _createPasteHandler: function() { + var self = this; + + return new qq.PasteSupport({ + targetElement: this._options.paste.targetElement, + callbacks: { + log: qq.bind(self.log, self), + pasteReceived: function(blob) { + self._handleCheckedCallback({ + name: "onPasteReceived", + callback: qq.bind(self._options.callbacks.onPasteReceived, self, blob), + onSuccess: qq.bind(self._handlePasteSuccess, self, blob), + identifier: "pasted image" + }); + } + } + }); + }, + + _createStore: function(initialValue, _readOnlyValues_) { + var store = {}, + catchall = initialValue, + perIdReadOnlyValues = {}, + readOnlyValues = _readOnlyValues_, + copy = function(orig) { + if (qq.isObject(orig)) { + return qq.extend({}, orig); + } + return orig; + }, + getReadOnlyValues = function() { + if (qq.isFunction(readOnlyValues)) { + return readOnlyValues(); + } + return readOnlyValues; + }, + includeReadOnlyValues = function(id, existing) { + if (readOnlyValues && qq.isObject(existing)) { + qq.extend(existing, getReadOnlyValues()); + } + + if (perIdReadOnlyValues[id]) { + qq.extend(existing, perIdReadOnlyValues[id]); + } + }; + + return { + set: function(val, id) { + /*jshint eqeqeq: true, eqnull: true*/ + if (id == null) { + store = {}; + catchall = copy(val); + } + else { + store[id] = copy(val); + } + }, + + get: function(id) { + var values; + + /*jshint eqeqeq: true, eqnull: true*/ + if (id != null && store[id]) { + values = store[id]; + } + else { + values = copy(catchall); + } + + includeReadOnlyValues(id, values); + + return copy(values); + }, + + addReadOnly: function(id, values) { + // Only applicable to Object stores + if (qq.isObject(store)) { + // If null ID, apply readonly values to all files + if (id === null) { + if (qq.isFunction(values)) { + readOnlyValues = values; + } + else { + readOnlyValues = readOnlyValues || {}; + qq.extend(readOnlyValues, values); + } + } + else { + perIdReadOnlyValues[id] = perIdReadOnlyValues[id] || {}; + qq.extend(perIdReadOnlyValues[id], values); + } + } + }, + + remove: function(fileId) { + return delete store[fileId]; + }, + + reset: function() { + store = {}; + perIdReadOnlyValues = {}; + catchall = initialValue; + } + }; + }, + + _createUploadDataTracker: function() { + var self = this; + + return new qq.UploadData({ + getName: function(id) { + return self.getName(id); + }, + getUuid: function(id) { + return self.getUuid(id); + }, + getSize: function(id) { + return self.getSize(id); + }, + onStatusChange: function(id, oldStatus, newStatus) { + self._onUploadStatusChange(id, oldStatus, newStatus); + self._options.callbacks.onStatusChange(id, oldStatus, newStatus); + self._maybeAllComplete(id, newStatus); + + if (self._totalProgress) { + setTimeout(function() { + self._totalProgress.onStatusChange(id, oldStatus, newStatus); + }, 0); + } + } + }); + }, + + /** + * Generate a tracked upload button. + * + * @param spec Object containing a required `element` property + * along with optional `multiple`, `accept`, and `folders`. + * @returns {qq.UploadButton} + * @private + */ + _createUploadButton: function(spec) { + var self = this, + acceptFiles = spec.accept || this._options.validation.acceptFiles, + allowedExtensions = spec.allowedExtensions || this._options.validation.allowedExtensions, + button; + + function allowMultiple() { + if (qq.supportedFeatures.ajaxUploading) { + // Workaround for bug in iOS7+ (see #1039) + if (self._options.workarounds.iosEmptyVideos && + qq.ios() && + !qq.ios6() && + self._isAllowedExtension(allowedExtensions, ".mov")) { + + return false; + } + + if (spec.multiple === undefined) { + return self._options.multiple; + } + + return spec.multiple; + } + + return false; + } + + button = new qq.UploadButton({ + acceptFiles: acceptFiles, + element: spec.element, + focusClass: this._options.classes.buttonFocus, + folders: spec.folders, + hoverClass: this._options.classes.buttonHover, + ios8BrowserCrashWorkaround: this._options.workarounds.ios8BrowserCrash, + multiple: allowMultiple(), + name: this._options.request.inputName, + onChange: function(input) { + self._onInputChange(input); + }, + title: spec.title == null ? this._options.text.fileInputTitle : spec.title + }); + + this._disposeSupport.addDisposer(function() { + button.dispose(); + }); + + self._buttons.push(button); + + return button; + }, + + _createUploadHandler: function(additionalOptions, namespace) { + var self = this, + lastOnProgress = {}, + options = { + debug: this._options.debug, + maxConnections: this._options.maxConnections, + cors: this._options.cors, + paramsStore: this._paramsStore, + endpointStore: this._endpointStore, + chunking: this._options.chunking, + resume: this._options.resume, + blobs: this._options.blobs, + log: qq.bind(self.log, self), + preventRetryParam: this._options.retry.preventRetryResponseProperty, + onProgress: function(id, name, loaded, total) { + if (loaded < 0 || total < 0) { + return; + } + + if (lastOnProgress[id]) { + if (lastOnProgress[id].loaded !== loaded || lastOnProgress[id].total !== total) { + self._onProgress(id, name, loaded, total); + self._options.callbacks.onProgress(id, name, loaded, total); + } + } + else { + self._onProgress(id, name, loaded, total); + self._options.callbacks.onProgress(id, name, loaded, total); + } + + lastOnProgress[id] = {loaded: loaded, total: total}; + + }, + onComplete: function(id, name, result, xhr) { + delete lastOnProgress[id]; + + var status = self.getUploads({id: id}).status, + retVal; + + // This is to deal with some observed cases where the XHR readyStateChange handler is + // invoked by the browser multiple times for the same XHR instance with the same state + // readyState value. Higher level: don't invoke complete-related code if we've already + // done this. + if (status === qq.status.UPLOAD_SUCCESSFUL || status === qq.status.UPLOAD_FAILED) { + return; + } + + retVal = self._onComplete(id, name, result, xhr); + + // If the internal `_onComplete` handler returns a promise, don't invoke the `onComplete` callback + // until the promise has been fulfilled. + if (retVal instanceof qq.Promise) { + retVal.done(function() { + self._options.callbacks.onComplete(id, name, result, xhr); + }); + } + else { + self._options.callbacks.onComplete(id, name, result, xhr); + } + }, + onCancel: function(id, name, cancelFinalizationEffort) { + var promise = new qq.Promise(); + + self._handleCheckedCallback({ + name: "onCancel", + callback: qq.bind(self._options.callbacks.onCancel, self, id, name), + onFailure: promise.failure, + onSuccess: function() { + cancelFinalizationEffort.then(function() { + self._onCancel(id, name); + }); + + promise.success(); + }, + identifier: id + }); + + return promise; + }, + onUploadPrep: qq.bind(this._onUploadPrep, this), + onUpload: function(id, name) { + self._onUpload(id, name); + self._options.callbacks.onUpload(id, name); + }, + onUploadChunk: function(id, name, chunkData) { + self._onUploadChunk(id, chunkData); + self._options.callbacks.onUploadChunk(id, name, chunkData); + }, + onUploadChunkSuccess: function(id, chunkData, result, xhr) { + self._options.callbacks.onUploadChunkSuccess.apply(self, arguments); + }, + onResume: function(id, name, chunkData) { + return self._options.callbacks.onResume(id, name, chunkData); + }, + onAutoRetry: function(id, name, responseJSON, xhr) { + return self._onAutoRetry.apply(self, arguments); + }, + onUuidChanged: function(id, newUuid) { + self.log("Server requested UUID change from '" + self.getUuid(id) + "' to '" + newUuid + "'"); + self.setUuid(id, newUuid); + }, + getName: qq.bind(self.getName, self), + getUuid: qq.bind(self.getUuid, self), + getSize: qq.bind(self.getSize, self), + setSize: qq.bind(self._setSize, self), + getDataByUuid: function(uuid) { + return self.getUploads({uuid: uuid}); + }, + isQueued: function(id) { + var status = self.getUploads({id: id}).status; + return status === qq.status.QUEUED || + status === qq.status.SUBMITTED || + status === qq.status.UPLOAD_RETRYING || + status === qq.status.PAUSED; + }, + getIdsInProxyGroup: self._uploadData.getIdsInProxyGroup, + getIdsInBatch: self._uploadData.getIdsInBatch + }; + + qq.each(this._options.request, function(prop, val) { + options[prop] = val; + }); + + options.customHeaders = this._customHeadersStore; + + if (additionalOptions) { + qq.each(additionalOptions, function(key, val) { + options[key] = val; + }); + } + + return new qq.UploadHandlerController(options, namespace); + }, + + _fileOrBlobRejected: function(id) { + this._netUploadedOrQueued--; + this._uploadData.setStatus(id, qq.status.REJECTED); + }, + + _formatSize: function(bytes) { + var i = -1; + do { + bytes = bytes / 1000; + i++; + } while (bytes > 999); + + return Math.max(bytes, 0.1).toFixed(1) + this._options.text.sizeSymbols[i]; + }, + + // Creates an internal object that tracks various properties of each extra button, + // and then actually creates the extra button. + _generateExtraButtonSpecs: function() { + var self = this; + + this._extraButtonSpecs = {}; + + qq.each(this._options.extraButtons, function(idx, extraButtonOptionEntry) { + var multiple = extraButtonOptionEntry.multiple, + validation = qq.extend({}, self._options.validation, true), + extraButtonSpec = qq.extend({}, extraButtonOptionEntry); + + if (multiple === undefined) { + multiple = self._options.multiple; + } + + if (extraButtonSpec.validation) { + qq.extend(validation, extraButtonOptionEntry.validation, true); + } + + qq.extend(extraButtonSpec, { + multiple: multiple, + validation: validation + }, true); + + self._initExtraButton(extraButtonSpec); + }); + }, + + _getButton: function(buttonId) { + var extraButtonsSpec = this._extraButtonSpecs[buttonId]; + + if (extraButtonsSpec) { + return extraButtonsSpec.element; + } + else if (buttonId === this._defaultButtonId) { + return this._options.button; + } + }, + + /** + * Gets the internally used tracking ID for a button. + * + * @param buttonOrFileInputOrFile `File`, `<input type="file">`, or a button container element + * @returns {*} The button's ID, or undefined if no ID is recoverable + * @private + */ + _getButtonId: function(buttonOrFileInputOrFile) { + var inputs, fileInput, + fileBlobOrInput = buttonOrFileInputOrFile; + + // We want the reference file/blob here if this is a proxy (a file that will be generated on-demand later) + if (fileBlobOrInput instanceof qq.BlobProxy) { + fileBlobOrInput = fileBlobOrInput.referenceBlob; + } + + // If the item is a `Blob` it will never be associated with a button or drop zone. + if (fileBlobOrInput && !qq.isBlob(fileBlobOrInput)) { + if (qq.isFile(fileBlobOrInput)) { + return fileBlobOrInput.qqButtonId; + } + else if (fileBlobOrInput.tagName.toLowerCase() === "input" && + fileBlobOrInput.type.toLowerCase() === "file") { + + return fileBlobOrInput.getAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME); + } + + inputs = fileBlobOrInput.getElementsByTagName("input"); + + qq.each(inputs, function(idx, input) { + if (input.getAttribute("type") === "file") { + fileInput = input; + return false; + } + }); + + if (fileInput) { + return fileInput.getAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME); + } + } + }, + + _getNotFinished: function() { + return this._uploadData.retrieve({ + status: [ + qq.status.UPLOADING, + qq.status.UPLOAD_RETRYING, + qq.status.QUEUED, + qq.status.SUBMITTING, + qq.status.SUBMITTED, + qq.status.PAUSED + ] + }).length; + }, + + // Get the validation options for this button. Could be the default validation option + // or a specific one assigned to this particular button. + _getValidationBase: function(buttonId) { + var extraButtonSpec = this._extraButtonSpecs[buttonId]; + + return extraButtonSpec ? extraButtonSpec.validation : this._options.validation; + }, + + _getValidationDescriptor: function(fileWrapper) { + if (fileWrapper.file instanceof qq.BlobProxy) { + return { + name: qq.getFilename(fileWrapper.file.referenceBlob), + size: fileWrapper.file.referenceBlob.size + }; + } + + return { + name: this.getUploads({id: fileWrapper.id}).name, + size: this.getUploads({id: fileWrapper.id}).size + }; + }, + + _getValidationDescriptors: function(fileWrappers) { + var self = this, + fileDescriptors = []; + + qq.each(fileWrappers, function(idx, fileWrapper) { + fileDescriptors.push(self._getValidationDescriptor(fileWrapper)); + }); + + return fileDescriptors; + }, + + // Allows camera access on either the default or an extra button for iOS devices. + _handleCameraAccess: function() { + if (this._options.camera.ios && qq.ios()) { + var acceptIosCamera = "image/*;capture=camera", + button = this._options.camera.button, + buttonId = button ? this._getButtonId(button) : this._defaultButtonId, + optionRoot = this._options; + + // If we are not targeting the default button, it is an "extra" button + if (buttonId && buttonId !== this._defaultButtonId) { + optionRoot = this._extraButtonSpecs[buttonId]; + } + + // Camera access won't work in iOS if the `multiple` attribute is present on the file input + optionRoot.multiple = false; + + // update the options + if (optionRoot.validation.acceptFiles === null) { + optionRoot.validation.acceptFiles = acceptIosCamera; + } + else { + optionRoot.validation.acceptFiles += "," + acceptIosCamera; + } + + // update the already-created button + qq.each(this._buttons, function(idx, button) { + if (button.getButtonId() === buttonId) { + button.setMultiple(optionRoot.multiple); + button.setAcceptFiles(optionRoot.acceptFiles); + + return false; + } + }); + } + }, + + _handleCheckedCallback: function(details) { + var self = this, + callbackRetVal = details.callback(); + + if (qq.isGenericPromise(callbackRetVal)) { + this.log(details.name + " - waiting for " + details.name + " promise to be fulfilled for " + details.identifier); + return callbackRetVal.then( + function(successParam) { + self.log(details.name + " promise success for " + details.identifier); + details.onSuccess(successParam); + }, + function() { + if (details.onFailure) { + self.log(details.name + " promise failure for " + details.identifier); + details.onFailure(); + } + else { + self.log(details.name + " promise failure for " + details.identifier); + } + }); + } + + if (callbackRetVal !== false) { + details.onSuccess(callbackRetVal); + } + else { + if (details.onFailure) { + this.log(details.name + " - return value was 'false' for " + details.identifier + ". Invoking failure callback."); + details.onFailure(); + } + else { + this.log(details.name + " - return value was 'false' for " + details.identifier + ". Will not proceed."); + } + } + + return callbackRetVal; + }, + + // Updates internal state when a new file has been received, and adds it along with its ID to a passed array. + _handleNewFile: function(file, batchId, newFileWrapperList) { + 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); + + if (!qq.isInput(actualFile) && actualFile.size >= 0) { + size = actualFile.size; + } + + handler(actualFile, name, uuid, size, newFileWrapperList, batchId, this._options.request.uuidName, { + uploadData: self._uploadData, + paramsStore: self._paramsStore, + addFileToHandler: function(id, file) { + self._handler.add(id, file); + self._netUploadedOrQueued++; + self._trackButton(id); + } + }); + }, + + _handleNewFileGeneric: function(file, name, uuid, size, fileList, batchId) { + var id = this._uploadData.addFile({uuid: uuid, name: name, size: size, batchId: batchId}); + + this._handler.add(id, file); + this._trackButton(id); + + this._netUploadedOrQueued++; + + fileList.push({id: id, file: file}); + }, + + _handlePasteSuccess: function(blob, extSuppliedName) { + var extension = blob.type.split("/")[1], + name = extSuppliedName; + + /*jshint eqeqeq: true, eqnull: true*/ + if (name == null) { + name = this._options.paste.defaultName; + } + + name += "." + extension; + + this.addFiles({ + name: name, + blob: blob + }); + }, + + // Creates an extra button element + _initExtraButton: function(spec) { + var button = this._createUploadButton({ + accept: spec.validation.acceptFiles, + allowedExtensions: spec.validation.allowedExtensions, + element: spec.element, + folders: spec.folders, + multiple: spec.multiple, + title: spec.fileInputTitle + }); + + this._extraButtonSpecs[button.getButtonId()] = spec; + }, + + _initFormSupportAndParams: function() { + this._formSupport = qq.FormSupport && new qq.FormSupport( + this._options.form, qq.bind(this.uploadStoredFiles, this), qq.bind(this.log, this) + ); + + if (this._formSupport && this._formSupport.attachedToForm) { + this._paramsStore = this._createStore( + this._options.request.params, this._formSupport.getFormInputsAsObject + ); + + this._options.autoUpload = this._formSupport.newAutoUpload; + if (this._formSupport.newEndpoint) { + this._options.request.endpoint = this._formSupport.newEndpoint; + } + } + else { + this._paramsStore = this._createStore(this._options.request.params); + } + }, + + _isDeletePossible: function() { + if (!qq.DeleteFileAjaxRequester || !this._options.deleteFile.enabled) { + return false; + } + + if (this._options.cors.expected) { + if (qq.supportedFeatures.deleteFileCorsXhr) { + return true; + } + + if (qq.supportedFeatures.deleteFileCorsXdr && this._options.cors.allowXdr) { + return true; + } + + return false; + } + + return true; + }, + + _isAllowedExtension: function(allowed, fileName) { + var valid = false; + + if (!allowed.length) { + return true; + } + + qq.each(allowed, function(idx, allowedExt) { + /** + * If an argument is not a string, ignore it. Added when a possible issue with MooTools hijacking the + * `allowedExtensions` array was discovered. See case #735 in the issue tracker for more details. + */ + if (qq.isString(allowedExt)) { + /*jshint eqeqeq: true, eqnull: true*/ + var extRegex = new RegExp("\\." + allowedExt + "$", "i"); + + if (fileName.match(extRegex) != null) { + valid = true; + return false; + } + } + }); + + return valid; + }, + + /** + * Constructs and returns a message that describes an item/file error. Also calls `onError` callback. + * + * @param code REQUIRED - a code that corresponds to a stock message describing this type of error + * @param maybeNameOrNames names of the items that have failed, if applicable + * @param item `File`, `Blob`, or `<input type="file">` + * @private + */ + _itemError: function(code, maybeNameOrNames, item) { + var message = this._options.messages[code], + allowedExtensions = [], + names = [].concat(maybeNameOrNames), + name = names[0], + buttonId = this._getButtonId(item), + validationBase = this._getValidationBase(buttonId), + extensionsForMessage, placeholderMatch; + + function r(name, replacement) { message = message.replace(name, replacement); } + + qq.each(validationBase.allowedExtensions, function(idx, allowedExtension) { + /** + * If an argument is not a string, ignore it. Added when a possible issue with MooTools hijacking the + * `allowedExtensions` array was discovered. See case #735 in the issue tracker for more details. + */ + if (qq.isString(allowedExtension)) { + allowedExtensions.push(allowedExtension); + } + }); + + extensionsForMessage = allowedExtensions.join(", ").toLowerCase(); + + r("{file}", this._options.formatFileName(name)); + r("{extensions}", extensionsForMessage); + r("{sizeLimit}", this._formatSize(validationBase.sizeLimit)); + r("{minSizeLimit}", this._formatSize(validationBase.minSizeLimit)); + + placeholderMatch = message.match(/(\{\w+\})/g); + if (placeholderMatch !== null) { + qq.each(placeholderMatch, function(idx, placeholder) { + r(placeholder, names[idx]); + }); + } + + this._options.callbacks.onError(null, name, message, undefined); + + return message; + }, + + /** + * Conditionally orders a manual retry of a failed upload. + * + * @param id File ID of the failed upload + * @param callback Optional callback to invoke if a retry is prudent. + * In lieu of asking the upload handler to retry. + * @returns {boolean} true if a manual retry will occur + * @private + */ + _manualRetry: function(id, callback) { + if (this._onBeforeManualRetry(id)) { + this._netUploadedOrQueued++; + this._uploadData.setStatus(id, qq.status.UPLOAD_RETRYING); + + if (callback) { + callback(id); + } + else { + this._handler.retry(id); + } + + return true; + } + }, + + _maybeAllComplete: function(id, status) { + var self = this, + notFinished = this._getNotFinished(); + + if (status === qq.status.UPLOAD_SUCCESSFUL) { + this._succeededSinceLastAllComplete.push(id); + } + else if (status === qq.status.UPLOAD_FAILED) { + this._failedSinceLastAllComplete.push(id); + } + + if (notFinished === 0 && + (this._succeededSinceLastAllComplete.length || this._failedSinceLastAllComplete.length)) { + // Attempt to ensure onAllComplete is not invoked before other callbacks, such as onCancel & onComplete + setTimeout(function() { + self._onAllComplete(self._succeededSinceLastAllComplete, self._failedSinceLastAllComplete); + }, 0); + } + }, + + _maybeHandleIos8SafariWorkaround: function() { + var self = this; + + if (this._options.workarounds.ios8SafariUploads && qq.ios800() && qq.iosSafari()) { + setTimeout(function() { + window.alert(self._options.messages.unsupportedBrowserIos8Safari); + }, 0); + throw new qq.Error(this._options.messages.unsupportedBrowserIos8Safari); + } + }, + + _maybeParseAndSendUploadError: function(id, name, response, xhr) { + // Assuming no one will actually set the response code to something other than 200 + // and still set 'success' to true... + if (!response.success) { + if (xhr && xhr.status !== 200 && !response.error) { + this._options.callbacks.onError(id, name, "XHR returned response code " + xhr.status, xhr); + } + else { + var errorReason = response.error ? response.error : this._options.text.defaultResponseError; + this._options.callbacks.onError(id, name, errorReason, xhr); + } + } + }, + + _maybeProcessNextItemAfterOnValidateCallback: function(validItem, items, index, params, endpoint) { + var self = this; + + if (items.length > index) { + if (validItem || !this._options.validation.stopOnFirstInvalidFile) { + //use setTimeout to prevent a stack overflow with a large number of files in the batch & non-promissory callbacks + setTimeout(function() { + var validationDescriptor = self._getValidationDescriptor(items[index]), + buttonId = self._getButtonId(items[index].file), + button = self._getButton(buttonId); + + self._handleCheckedCallback({ + name: "onValidate", + callback: qq.bind(self._options.callbacks.onValidate, self, validationDescriptor, button), + onSuccess: qq.bind(self._onValidateCallbackSuccess, self, items, index, params, endpoint), + onFailure: qq.bind(self._onValidateCallbackFailure, self, items, index, params, endpoint), + identifier: "Item '" + validationDescriptor.name + "', size: " + validationDescriptor.size + }); + }, 0); + } + else if (!validItem) { + for (; index < items.length; index++) { + self._fileOrBlobRejected(items[index].id); + } + } + } + }, + + _onAllComplete: function(successful, failed) { + this._totalProgress && this._totalProgress.onAllComplete(successful, failed, this._preventRetries); + + this._options.callbacks.onAllComplete(qq.extend([], successful), qq.extend([], failed)); + + this._succeededSinceLastAllComplete = []; + this._failedSinceLastAllComplete = []; + }, + + /** + * Attempt to automatically retry a failed upload. + * + * @param id The file ID of the failed upload + * @param name The name of the file associated with the failed upload + * @param responseJSON Response from the server, parsed into a javascript object + * @param xhr Ajax transport used to send the failed request + * @param callback Optional callback to be invoked if a retry is prudent. + * Invoked in lieu of asking the upload handler to retry. + * @returns {boolean} true if an auto-retry will occur + * @private + */ + _onAutoRetry: function(id, name, responseJSON, xhr, callback) { + var self = this; + + self._preventRetries[id] = responseJSON[self._options.retry.preventRetryResponseProperty]; + + if (self._shouldAutoRetry(id, name, responseJSON)) { + self._maybeParseAndSendUploadError.apply(self, arguments); + self._options.callbacks.onAutoRetry(id, name, self._autoRetries[id]); + self._onBeforeAutoRetry(id, name); + + self._retryTimeouts[id] = setTimeout(function() { + self.log("Retrying " + name + "..."); + self._uploadData.setStatus(id, qq.status.UPLOAD_RETRYING); + + if (callback) { + callback(id); + } + else { + self._handler.retry(id); + } + }, self._options.retry.autoAttemptDelay * 1000); + + return true; + } + }, + + _onBeforeAutoRetry: function(id, name) { + this.log("Waiting " + this._options.retry.autoAttemptDelay + " seconds before retrying " + name + "..."); + }, + + //return false if we should not attempt the requested retry + _onBeforeManualRetry: function(id) { + var itemLimit = this._currentItemLimit, + fileName; + + if (this._preventRetries[id]) { + this.log("Retries are forbidden for id " + id, "warn"); + return false; + } + else if (this._handler.isValid(id)) { + fileName = this.getName(id); + + if (this._options.callbacks.onManualRetry(id, fileName) === false) { + return false; + } + + if (itemLimit > 0 && this._netUploadedOrQueued + 1 > itemLimit) { + this._itemError("retryFailTooManyItems"); + return false; + } + + this.log("Retrying upload for '" + fileName + "' (id: " + id + ")..."); + return true; + } + else { + this.log("'" + id + "' is not a valid file ID", "error"); + return false; + } + }, + + _onCancel: function(id, name) { + this._netUploadedOrQueued--; + + clearTimeout(this._retryTimeouts[id]); + + var storedItemIndex = qq.indexOf(this._storedIds, id); + if (!this._options.autoUpload && storedItemIndex >= 0) { + this._storedIds.splice(storedItemIndex, 1); + } + + this._uploadData.setStatus(id, qq.status.CANCELED); + }, + + _onComplete: function(id, name, result, xhr) { + if (!result.success) { + this._netUploadedOrQueued--; + this._uploadData.setStatus(id, qq.status.UPLOAD_FAILED); + + if (result[this._options.retry.preventRetryResponseProperty] === true) { + this._preventRetries[id] = true; + } + } + else { + if (result.thumbnailUrl) { + this._thumbnailUrls[id] = result.thumbnailUrl; + } + + this._netUploaded++; + this._uploadData.setStatus(id, qq.status.UPLOAD_SUCCESSFUL); + } + + this._maybeParseAndSendUploadError(id, name, result, xhr); + + return result.success ? true : false; + }, + + _onDelete: function(id) { + this._uploadData.setStatus(id, qq.status.DELETING); + }, + + _onDeleteComplete: function(id, xhrOrXdr, isError) { + var name = this.getName(id); + + if (isError) { + this._uploadData.setStatus(id, qq.status.DELETE_FAILED); + this.log("Delete request for '" + name + "' has failed.", "error"); + + // For error reporting, we only have access to the response status if this is not + // an `XDomainRequest`. + if (xhrOrXdr.withCredentials === undefined) { + this._options.callbacks.onError(id, name, "Delete request failed", xhrOrXdr); + } + else { + this._options.callbacks.onError(id, name, "Delete request failed with response code " + xhrOrXdr.status, xhrOrXdr); + } + } + else { + this._netUploadedOrQueued--; + this._netUploaded--; + this._handler.expunge(id); + this._uploadData.setStatus(id, qq.status.DELETED); + this.log("Delete request for '" + name + "' has succeeded."); + } + }, + + _onInputChange: function(input) { + var fileIndex; + + if (qq.supportedFeatures.ajaxUploading) { + for (fileIndex = 0; fileIndex < input.files.length; fileIndex++) { + this._annotateWithButtonId(input.files[fileIndex], input); + } + + this.addFiles(input.files); + } + // Android 2.3.x will fire `onchange` even if no file has been selected + else if (input.value.length > 0) { + this.addFiles(input); + } + + qq.each(this._buttons, function(idx, button) { + button.reset(); + }); + }, + + _onProgress: function(id, name, loaded, total) { + this._totalProgress && this._totalProgress.onIndividualProgress(id, loaded, total); + }, + + _onSubmit: function(id, name) { + //nothing to do yet in core uploader + }, + + _onSubmitCallbackSuccess: function(id, name) { + this._onSubmit.apply(this, arguments); + this._uploadData.setStatus(id, qq.status.SUBMITTED); + this._onSubmitted.apply(this, arguments); + + if (this._options.autoUpload) { + this._options.callbacks.onSubmitted.apply(this, arguments); + this._uploadFile(id); + } + else { + this._storeForLater(id); + this._options.callbacks.onSubmitted.apply(this, arguments); + } + }, + + _onSubmitDelete: function(id, onSuccessCallback, additionalMandatedParams) { + var uuid = this.getUuid(id), + adjustedOnSuccessCallback; + + if (onSuccessCallback) { + adjustedOnSuccessCallback = qq.bind(onSuccessCallback, this, id, uuid, additionalMandatedParams); + } + + if (this._isDeletePossible()) { + this._handleCheckedCallback({ + name: "onSubmitDelete", + callback: qq.bind(this._options.callbacks.onSubmitDelete, this, id), + onSuccess: adjustedOnSuccessCallback || + qq.bind(this._deleteHandler.sendDelete, this, id, uuid, additionalMandatedParams), + identifier: id + }); + return true; + } + else { + 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"); + return false; + } + }, + + _onSubmitted: function(id) { + //nothing to do in the base uploader + }, + + _onTotalProgress: function(loaded, total) { + this._options.callbacks.onTotalProgress(loaded, total); + }, + + _onUploadPrep: function(id) { + // nothing to do in the core uploader for now + }, + + _onUpload: function(id, name) { + this._uploadData.setStatus(id, qq.status.UPLOADING); + }, + + _onUploadChunk: function(id, chunkData) { + //nothing to do in the base uploader + }, + + _onUploadStatusChange: function(id, oldStatus, newStatus) { + // Make sure a "queued" retry attempt is canceled if the upload has been paused + if (newStatus === qq.status.PAUSED) { + clearTimeout(this._retryTimeouts[id]); + } + }, + + _onValidateBatchCallbackFailure: function(fileWrappers) { + var self = this; + + qq.each(fileWrappers, function(idx, fileWrapper) { + self._fileOrBlobRejected(fileWrapper.id); + }); + }, + + _onValidateBatchCallbackSuccess: function(validationDescriptors, items, params, endpoint, button) { + var errorMessage, + itemLimit = this._currentItemLimit, + proposedNetFilesUploadedOrQueued = this._netUploadedOrQueued; + + if (itemLimit === 0 || proposedNetFilesUploadedOrQueued <= itemLimit) { + if (items.length > 0) { + this._handleCheckedCallback({ + name: "onValidate", + callback: qq.bind(this._options.callbacks.onValidate, this, validationDescriptors[0], button), + onSuccess: qq.bind(this._onValidateCallbackSuccess, this, items, 0, params, endpoint), + onFailure: qq.bind(this._onValidateCallbackFailure, this, items, 0, params, endpoint), + identifier: "Item '" + items[0].file.name + "', size: " + items[0].file.size + }); + } + else { + this._itemError("noFilesError"); + } + } + else { + this._onValidateBatchCallbackFailure(items); + errorMessage = this._options.messages.tooManyItemsError + .replace(/\{netItems\}/g, proposedNetFilesUploadedOrQueued) + .replace(/\{itemLimit\}/g, itemLimit); + this._batchError(errorMessage); + } + }, + + _onValidateCallbackFailure: function(items, index, params, endpoint) { + var nextIndex = index + 1; + + this._fileOrBlobRejected(items[index].id, items[index].file.name); + + this._maybeProcessNextItemAfterOnValidateCallback(false, items, nextIndex, params, endpoint); + }, + + _onValidateCallbackSuccess: function(items, index, params, endpoint) { + var self = this, + nextIndex = index + 1, + validationDescriptor = this._getValidationDescriptor(items[index]); + + this._validateFileOrBlobData(items[index], validationDescriptor) + .then( + function() { + self._upload(items[index].id, params, endpoint); + self._maybeProcessNextItemAfterOnValidateCallback(true, items, nextIndex, params, endpoint); + }, + function() { + self._maybeProcessNextItemAfterOnValidateCallback(false, items, nextIndex, params, endpoint); + } + ); + }, + + _prepareItemsForUpload: function(items, params, endpoint) { + if (items.length === 0) { + this._itemError("noFilesError"); + return; + } + + var validationDescriptors = this._getValidationDescriptors(items), + buttonId = this._getButtonId(items[0].file), + button = this._getButton(buttonId); + + this._handleCheckedCallback({ + name: "onValidateBatch", + callback: qq.bind(this._options.callbacks.onValidateBatch, this, validationDescriptors, button), + onSuccess: qq.bind(this._onValidateBatchCallbackSuccess, this, validationDescriptors, items, params, endpoint, button), + onFailure: qq.bind(this._onValidateBatchCallbackFailure, this, items), + identifier: "batch validation" + }); + }, + + _preventLeaveInProgress: function() { + var self = this; + + this._disposeSupport.attach(window, "beforeunload", function(e) { + if (self.getInProgress()) { + e = e || window.event; + // for ie, ff + e.returnValue = self._options.messages.onLeave; + // for webkit + return self._options.messages.onLeave; + } + }); + }, + + // Attempts to refresh session data only if the `qq.Session` module exists + // and a session endpoint has been specified. The `onSessionRequestComplete` + // callback will be invoked once the refresh is complete. + _refreshSessionData: function() { + var self = this, + options = this._options.session; + + /* jshint eqnull:true */ + if (qq.Session && this._options.session.endpoint != null) { + if (!this._session) { + qq.extend(options, this._options.cors); + + options.log = qq.bind(this.log, this); + options.addFileRecord = qq.bind(this._addCannedFile, this); + + this._session = new qq.Session(options); + } + + setTimeout(function() { + self._session.refresh().then(function(response, xhrOrXdr) { + self._sessionRequestComplete(); + self._options.callbacks.onSessionRequestComplete(response, true, xhrOrXdr); + + }, function(response, xhrOrXdr) { + + self._options.callbacks.onSessionRequestComplete(response, false, xhrOrXdr); + }); + }, 0); + } + }, + + _sessionRequestComplete: function() {}, + + _setSize: function(id, newSize) { + this._uploadData.updateSize(id, newSize); + this._totalProgress && this._totalProgress.onNewSize(id); + }, + + _shouldAutoRetry: function(id, name, responseJSON) { + var uploadData = this._uploadData.retrieve({id: id}); + + /*jshint laxbreak: true */ + if (!this._preventRetries[id] + && this._options.retry.enableAuto + && uploadData.status !== qq.status.PAUSED) { + + if (this._autoRetries[id] === undefined) { + this._autoRetries[id] = 0; + } + + if (this._autoRetries[id] < this._options.retry.maxAutoAttempts) { + this._autoRetries[id] += 1; + return true; + } + } + + return false; + }, + + _storeForLater: function(id) { + this._storedIds.push(id); + }, + + // Maps a file with the button that was used to select it. + _trackButton: function(id) { + var buttonId; + + if (qq.supportedFeatures.ajaxUploading) { + buttonId = this._handler.getFile(id).qqButtonId; + } + else { + buttonId = this._getButtonId(this._handler.getInput(id)); + } + + if (buttonId) { + this._buttonIdsForFileIds[id] = buttonId; + } + }, + + _updateFormSupportAndParams: function(formElementOrId) { + this._options.form.element = formElementOrId; + + this._formSupport = qq.FormSupport && new qq.FormSupport( + this._options.form, qq.bind(this.uploadStoredFiles, this), qq.bind(this.log, this) + ); + + if (this._formSupport && this._formSupport.attachedToForm) { + this._paramsStore.addReadOnly(null, this._formSupport.getFormInputsAsObject); + + this._options.autoUpload = this._formSupport.newAutoUpload; + if (this._formSupport.newEndpoint) { + this.setEndpoint(this._formSupport.newEndpoint); + } + } + }, + + _upload: function(id, params, endpoint) { + var name = this.getName(id); + + if (params) { + this.setParams(params, id); + } + + if (endpoint) { + this.setEndpoint(endpoint, id); + } + + this._handleCheckedCallback({ + name: "onSubmit", + callback: qq.bind(this._options.callbacks.onSubmit, this, id, name), + onSuccess: qq.bind(this._onSubmitCallbackSuccess, this, id, name), + onFailure: qq.bind(this._fileOrBlobRejected, this, id, name), + identifier: id + }); + }, + + _uploadFile: function(id) { + if (!this._handler.upload(id)) { + this._uploadData.setStatus(id, qq.status.QUEUED); + } + }, + + _uploadStoredFiles: function() { + var idToUpload, stillSubmitting, + self = this; + + while (this._storedIds.length) { + idToUpload = this._storedIds.shift(); + this._uploadFile(idToUpload); + } + + // If we are still waiting for some files to clear validation, attempt to upload these again in a bit + stillSubmitting = this.getUploads({status: qq.status.SUBMITTING}).length; + if (stillSubmitting) { + qq.log("Still waiting for " + stillSubmitting + " files to clear submit queue. Will re-parse stored IDs array shortly."); + setTimeout(function() { + self._uploadStoredFiles(); + }, 1000); + } + }, + + /** + * Performs some internal validation checks on an item, defined in the `validation` option. + * + * @param fileWrapper Wrapper containing a `file` along with an `id` + * @param validationDescriptor Normalized information about the item (`size`, `name`). + * @returns qq.Promise with appropriate callbacks invoked depending on the validity of the file + * @private + */ + _validateFileOrBlobData: function(fileWrapper, validationDescriptor) { + var self = this, + file = (function() { + if (fileWrapper.file instanceof qq.BlobProxy) { + return fileWrapper.file.referenceBlob; + } + return fileWrapper.file; + }()), + name = validationDescriptor.name, + size = validationDescriptor.size, + buttonId = this._getButtonId(fileWrapper.file), + validationBase = this._getValidationBase(buttonId), + validityChecker = new qq.Promise(); + + validityChecker.then( + function() {}, + function() { + self._fileOrBlobRejected(fileWrapper.id, name); + }); + + if (qq.isFileOrInput(file) && !this._isAllowedExtension(validationBase.allowedExtensions, name)) { + this._itemError("typeError", name, file); + return validityChecker.failure(); + } + + if (size === 0) { + this._itemError("emptyError", name, file); + return validityChecker.failure(); + } + + if (size > 0 && validationBase.sizeLimit && size > validationBase.sizeLimit) { + this._itemError("sizeError", name, file); + return validityChecker.failure(); + } + + if (size > 0 && size < validationBase.minSizeLimit) { + this._itemError("minSizeError", name, file); + return validityChecker.failure(); + } + + if (qq.ImageValidation && qq.supportedFeatures.imagePreviews && qq.isFile(file)) { + new qq.ImageValidation(file, qq.bind(self.log, self)).validate(validationBase.image).then( + validityChecker.success, + function(errorCode) { + self._itemError(errorCode + "ImageError", name, file); + validityChecker.failure(); + } + ); + } + else { + validityChecker.success(); + } + + return validityChecker; + }, + + _wrapCallbacks: function() { + var self, safeCallback, prop; + + self = this; + + safeCallback = function(name, callback, args) { + var errorMsg; + + try { + return callback.apply(self, args); + } + catch (exception) { + errorMsg = exception.message || exception.toString(); + self.log("Caught exception in '" + name + "' callback - " + errorMsg, "error"); + } + }; + + /* jshint forin: false, loopfunc: true */ + for (prop in this._options.callbacks) { + (function() { + var callbackName, callbackFunc; + callbackName = prop; + callbackFunc = self._options.callbacks[callbackName]; + self._options.callbacks[callbackName] = function() { + return safeCallback(callbackName, callbackFunc, arguments); + }; + }()); + } + } + }; +}()); + +/*globals qq*/ +(function() { + "use strict"; + + qq.FineUploaderBasic = function(o) { + var self = this; + + // These options define FineUploaderBasic mode. + this._options = { + debug: false, + button: null, + multiple: true, + maxConnections: 3, + disableCancelForFormUploads: false, + autoUpload: true, + + request: { + customHeaders: {}, + endpoint: "/server/upload", + filenameParam: "qqfilename", + forceMultipart: true, + inputName: "qqfile", + method: "POST", + params: {}, + paramsInBody: true, + totalFileSizeName: "qqtotalfilesize", + uuidName: "qquuid" + }, + + validation: { + allowedExtensions: [], + sizeLimit: 0, + minSizeLimit: 0, + itemLimit: 0, + stopOnFirstInvalidFile: true, + acceptFiles: null, + image: { + maxHeight: 0, + maxWidth: 0, + minHeight: 0, + minWidth: 0 + } + }, + + callbacks: { + onSubmit: function(id, name) {}, + onSubmitted: function(id, name) {}, + onComplete: function(id, name, responseJSON, maybeXhr) {}, + onAllComplete: function(successful, failed) {}, + onCancel: function(id, name) {}, + onUpload: function(id, name) {}, + onUploadChunk: function(id, name, chunkData) {}, + onUploadChunkSuccess: function(id, chunkData, responseJSON, xhr) {}, + onResume: function(id, fileName, chunkData) {}, + onProgress: function(id, name, loaded, total) {}, + onTotalProgress: function(loaded, total) {}, + onError: function(id, name, reason, maybeXhrOrXdr) {}, + onAutoRetry: function(id, name, attemptNumber) {}, + onManualRetry: function(id, name) {}, + onValidateBatch: function(fileOrBlobData) {}, + onValidate: function(fileOrBlobData) {}, + onSubmitDelete: function(id) {}, + onDelete: function(id) {}, + onDeleteComplete: function(id, xhrOrXdr, isError) {}, + onPasteReceived: function(blob) {}, + onStatusChange: function(id, oldStatus, newStatus) {}, + onSessionRequestComplete: function(response, success, xhrOrXdr) {} + }, + + messages: { + typeError: "{file} has an invalid extension. Valid extension(s): {extensions}.", + sizeError: "{file} is too large, maximum file size is {sizeLimit}.", + minSizeError: "{file} is too small, minimum file size is {minSizeLimit}.", + emptyError: "{file} is empty, please select files again without it.", + noFilesError: "No files to upload.", + tooManyItemsError: "Too many items ({netItems}) would be uploaded. Item limit is {itemLimit}.", + maxHeightImageError: "Image is too tall.", + maxWidthImageError: "Image is too wide.", + minHeightImageError: "Image is not tall enough.", + minWidthImageError: "Image is not wide enough.", + retryFailTooManyItems: "Retry failed - you have reached your file limit.", + onLeave: "The files are being uploaded, if you leave now the upload will be canceled.", + 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." + }, + + retry: { + enableAuto: false, + maxAutoAttempts: 3, + autoAttemptDelay: 5, + preventRetryResponseProperty: "preventRetry" + }, + + classes: { + buttonHover: "qq-upload-button-hover", + buttonFocus: "qq-upload-button-focus" + }, + + chunking: { + enabled: false, + concurrent: { + enabled: false + }, + mandatory: false, + paramNames: { + partIndex: "qqpartindex", + partByteOffset: "qqpartbyteoffset", + chunkSize: "qqchunksize", + totalFileSize: "qqtotalfilesize", + totalParts: "qqtotalparts" + }, + partSize: 2000000, + // only relevant for traditional endpoints, only required when concurrent.enabled === true + success: { + endpoint: null + } + }, + + resume: { + enabled: false, + recordsExpireIn: 7, //days + paramNames: { + resuming: "qqresume" + } + }, + + formatFileName: function(fileOrBlobName) { + return fileOrBlobName; + }, + + text: { + defaultResponseError: "Upload failure reason unknown", + fileInputTitle: "file input", + sizeSymbols: ["kB", "MB", "GB", "TB", "PB", "EB"] + }, + + deleteFile: { + enabled: false, + method: "DELETE", + endpoint: "/server/upload", + customHeaders: {}, + params: {} + }, + + cors: { + expected: false, + sendCredentials: false, + allowXdr: false + }, + + blobs: { + defaultName: "misc_data" + }, + + paste: { + targetElement: null, + defaultName: "pasted_image" + }, + + camera: { + ios: false, + + // if ios is true: button is null means target the default button, otherwise target the button specified + button: null + }, + + // This refers to additional upload buttons to be handled by Fine Uploader. + // Each element is an object, containing `element` as the only required + // property. The `element` must be a container that will ultimately + // contain an invisible `<input type="file">` created by Fine Uploader. + // Optional properties of each object include `multiple`, `validation`, + // and `folders`. + extraButtons: [], + + // Depends on the session module. Used to query the server for an initial file list + // during initialization and optionally after a `reset`. + session: { + endpoint: null, + params: {}, + customHeaders: {}, + refreshOnReset: true + }, + + // Send parameters associated with an existing form along with the files + form: { + // Element ID, HTMLElement, or null + element: "qq-form", + + // Overrides the base `autoUpload`, unless `element` is null. + autoUpload: false, + + // true = upload files on form submission (and squelch submit event) + interceptSubmit: true + }, + + // scale images client side, upload a new file for each scaled version + scaling: { + customResizer: null, + + // send the original file as well + sendOriginal: true, + + // fox orientation for scaled images + orient: true, + + // If null, scaled image type will match reference image type. This value will be referred to + // for any size record that does not specific a type. + defaultType: null, + + defaultQuality: 80, + + failureText: "Failed to scale", + + includeExif: false, + + // metadata about each requested scaled version + sizes: [] + }, + + workarounds: { + iosEmptyVideos: true, + ios8SafariUploads: true, + ios8BrowserCrash: false + } + }; + + // Replace any default options with user defined ones + qq.extend(this._options, o, true); + + this._buttons = []; + this._extraButtonSpecs = {}; + this._buttonIdsForFileIds = []; + + this._wrapCallbacks(); + this._disposeSupport = new qq.DisposeSupport(); + + this._storedIds = []; + this._autoRetries = []; + this._retryTimeouts = []; + this._preventRetries = []; + this._thumbnailUrls = []; + + this._netUploadedOrQueued = 0; + this._netUploaded = 0; + this._uploadData = this._createUploadDataTracker(); + + this._initFormSupportAndParams(); + + this._customHeadersStore = this._createStore(this._options.request.customHeaders); + this._deleteFileCustomHeadersStore = this._createStore(this._options.deleteFile.customHeaders); + + this._deleteFileParamsStore = this._createStore(this._options.deleteFile.params); + + this._endpointStore = this._createStore(this._options.request.endpoint); + this._deleteFileEndpointStore = this._createStore(this._options.deleteFile.endpoint); + + this._handler = this._createUploadHandler(); + + this._deleteHandler = qq.DeleteFileAjaxRequester && this._createDeleteHandler(); + + if (this._options.button) { + this._defaultButtonId = this._createUploadButton({ + element: this._options.button, + title: this._options.text.fileInputTitle + }).getButtonId(); + } + + this._generateExtraButtonSpecs(); + + this._handleCameraAccess(); + + if (this._options.paste.targetElement) { + if (qq.PasteSupport) { + this._pasteHandler = this._createPasteHandler(); + } + else { + this.log("Paste support module not found", "error"); + } + } + + this._preventLeaveInProgress(); + + this._imageGenerator = qq.ImageGenerator && new qq.ImageGenerator(qq.bind(this.log, this)); + this._refreshSessionData(); + + this._succeededSinceLastAllComplete = []; + this._failedSinceLastAllComplete = []; + + this._scaler = (qq.Scaler && new qq.Scaler(this._options.scaling, qq.bind(this.log, this))) || {}; + if (this._scaler.enabled) { + this._customNewFileHandler = qq.bind(this._scaler.handleNewFile, this._scaler); + } + + if (qq.TotalProgress && qq.supportedFeatures.progressBar) { + this._totalProgress = new qq.TotalProgress( + qq.bind(this._onTotalProgress, this), + + function(id) { + var entry = self._uploadData.retrieve({id: id}); + return (entry && entry.size) || 0; + } + ); + } + + this._currentItemLimit = this._options.validation.itemLimit; + }; + + // Define the private & public API methods. + qq.FineUploaderBasic.prototype = qq.basePublicApi; + qq.extend(qq.FineUploaderBasic.prototype, qq.basePrivateApi); +}()); + +/*globals qq, XDomainRequest*/ +/** Generic class for sending non-upload ajax requests and handling the associated responses **/ +qq.AjaxRequester = function(o) { + "use strict"; + + var log, shouldParamsBeInQueryString, + queue = [], + requestData = {}, + options = { + acceptHeader: null, + validMethods: ["PATCH", "POST", "PUT"], + method: "POST", + contentType: "application/x-www-form-urlencoded", + maxConnections: 3, + customHeaders: {}, + endpointStore: {}, + paramsStore: {}, + mandatedParams: {}, + allowXRequestedWithAndCacheControl: true, + successfulResponseCodes: { + DELETE: [200, 202, 204], + PATCH: [200, 201, 202, 203, 204], + POST: [200, 201, 202, 203, 204], + PUT: [200, 201, 202, 203, 204], + GET: [200] + }, + cors: { + expected: false, + sendCredentials: false + }, + log: function(str, level) {}, + onSend: function(id) {}, + onComplete: function(id, xhrOrXdr, isError) {}, + onProgress: null + }; + + qq.extend(options, o); + log = options.log; + + if (qq.indexOf(options.validMethods, options.method) < 0) { + throw new Error("'" + options.method + "' is not a supported method for this type of request!"); + } + + // [Simple methods](http://www.w3.org/TR/cors/#simple-method) + // are defined by the W3C in the CORS spec as a list of methods that, in part, + // make a CORS request eligible to be exempt from preflighting. + function isSimpleMethod() { + return qq.indexOf(["GET", "POST", "HEAD"], options.method) >= 0; + } + + // [Simple headers](http://www.w3.org/TR/cors/#simple-header) + // are defined by the W3C in the CORS spec as a list of headers that, in part, + // make a CORS request eligible to be exempt from preflighting. + function containsNonSimpleHeaders(headers) { + var containsNonSimple = false; + + qq.each(containsNonSimple, function(idx, header) { + if (qq.indexOf(["Accept", "Accept-Language", "Content-Language", "Content-Type"], header) < 0) { + containsNonSimple = true; + return false; + } + }); + + return containsNonSimple; + } + + function isXdr(xhr) { + //The `withCredentials` test is a commonly accepted way to determine if XHR supports CORS. + return options.cors.expected && xhr.withCredentials === undefined; + } + + // Returns either a new `XMLHttpRequest` or `XDomainRequest` instance. + function getCorsAjaxTransport() { + var xhrOrXdr; + + if (window.XMLHttpRequest || window.ActiveXObject) { + xhrOrXdr = qq.createXhrInstance(); + + if (xhrOrXdr.withCredentials === undefined) { + xhrOrXdr = new XDomainRequest(); + // Workaround for XDR bug in IE9 - https://social.msdn.microsoft.com/Forums/ie/en-US/30ef3add-767c-4436-b8a9-f1ca19b4812e/ie9-rtm-xdomainrequest-issued-requests-may-abort-if-all-event-handlers-not-specified?forum=iewebdevelopment + xhrOrXdr.onload = function() {}; + xhrOrXdr.onerror = function() {}; + xhrOrXdr.ontimeout = function() {}; + xhrOrXdr.onprogress = function() {}; + } + } + + return xhrOrXdr; + } + + // Returns either a new XHR/XDR instance, or an existing one for the associated `File` or `Blob`. + function getXhrOrXdr(id, suppliedXhr) { + var xhrOrXdr = requestData[id].xhr; + + if (!xhrOrXdr) { + if (suppliedXhr) { + xhrOrXdr = suppliedXhr; + } + else { + if (options.cors.expected) { + xhrOrXdr = getCorsAjaxTransport(); + } + else { + xhrOrXdr = qq.createXhrInstance(); + } + } + + requestData[id].xhr = xhrOrXdr; + } + + return xhrOrXdr; + } + + // Removes element from queue, sends next request + function dequeue(id) { + var i = qq.indexOf(queue, id), + max = options.maxConnections, + nextId; + + delete requestData[id]; + queue.splice(i, 1); + + if (queue.length >= max && i < max) { + nextId = queue[max - 1]; + sendRequest(nextId); + } + } + + function onComplete(id, xdrError) { + var xhr = getXhrOrXdr(id), + method = options.method, + isError = xdrError === true; + + dequeue(id); + + if (isError) { + log(method + " request for " + id + " has failed", "error"); + } + else if (!isXdr(xhr) && !isResponseSuccessful(xhr.status)) { + isError = true; + log(method + " request for " + id + " has failed - response code " + xhr.status, "error"); + } + + options.onComplete(id, xhr, isError); + } + + function getParams(id) { + var onDemandParams = requestData[id].additionalParams, + mandatedParams = options.mandatedParams, + params; + + if (options.paramsStore.get) { + params = options.paramsStore.get(id); + } + + if (onDemandParams) { + qq.each(onDemandParams, function(name, val) { + params = params || {}; + params[name] = val; + }); + } + + if (mandatedParams) { + qq.each(mandatedParams, function(name, val) { + params = params || {}; + params[name] = val; + }); + } + + return params; + } + + function sendRequest(id, optXhr) { + var xhr = getXhrOrXdr(id, optXhr), + method = options.method, + params = getParams(id), + payload = requestData[id].payload, + url; + + options.onSend(id); + + url = createUrl(id, params, requestData[id].additionalQueryParams); + + // XDR and XHR status detection APIs differ a bit. + if (isXdr(xhr)) { + xhr.onload = getXdrLoadHandler(id); + xhr.onerror = getXdrErrorHandler(id); + } + else { + xhr.onreadystatechange = getXhrReadyStateChangeHandler(id); + } + + registerForUploadProgress(id); + + // The last parameter is assumed to be ignored if we are actually using `XDomainRequest`. + xhr.open(method, url, true); + + // Instruct the transport to send cookies along with the CORS request, + // unless we are using `XDomainRequest`, which is not capable of this. + if (options.cors.expected && options.cors.sendCredentials && !isXdr(xhr)) { + xhr.withCredentials = true; + } + + setHeaders(id); + + log("Sending " + method + " request for " + id); + + if (payload) { + xhr.send(payload); + } + else if (shouldParamsBeInQueryString || !params) { + xhr.send(); + } + else if (params && options.contentType && options.contentType.toLowerCase().indexOf("application/x-www-form-urlencoded") >= 0) { + xhr.send(qq.obj2url(params, "")); + } + else if (params && options.contentType && options.contentType.toLowerCase().indexOf("application/json") >= 0) { + xhr.send(JSON.stringify(params)); + } + else { + xhr.send(params); + } + + return xhr; + } + + function createUrl(id, params, additionalQueryParams) { + var endpoint = options.endpointStore.get(id), + addToPath = requestData[id].addToPath; + + /*jshint -W116,-W041 */ + if (addToPath != undefined) { + endpoint += "/" + addToPath; + } + + if (shouldParamsBeInQueryString && params) { + endpoint = qq.obj2url(params, endpoint); + } + + if (additionalQueryParams) { + endpoint = qq.obj2url(additionalQueryParams, endpoint); + } + + return endpoint; + } + + // Invoked by the UA to indicate a number of possible states that describe + // a live `XMLHttpRequest` transport. + function getXhrReadyStateChangeHandler(id) { + return function() { + if (getXhrOrXdr(id).readyState === 4) { + onComplete(id); + } + }; + } + + function registerForUploadProgress(id) { + var onProgress = options.onProgress; + + if (onProgress) { + getXhrOrXdr(id).upload.onprogress = function(e) { + if (e.lengthComputable) { + onProgress(id, e.loaded, e.total); + } + }; + } + } + + // This will be called by IE to indicate **success** for an associated + // `XDomainRequest` transported request. + function getXdrLoadHandler(id) { + return function() { + onComplete(id); + }; + } + + // This will be called by IE to indicate **failure** for an associated + // `XDomainRequest` transported request. + function getXdrErrorHandler(id) { + return function() { + onComplete(id, true); + }; + } + + function setHeaders(id) { + var xhr = getXhrOrXdr(id), + customHeaders = options.customHeaders, + onDemandHeaders = requestData[id].additionalHeaders || {}, + method = options.method, + allHeaders = {}; + + // If XDomainRequest is being used, we can't set headers, so just ignore this block. + if (!isXdr(xhr)) { + options.acceptHeader && xhr.setRequestHeader("Accept", options.acceptHeader); + + // Only attempt to add X-Requested-With & Cache-Control if permitted + if (options.allowXRequestedWithAndCacheControl) { + // Do not add X-Requested-With & Cache-Control if this is a cross-origin request + // OR the cross-origin request contains a non-simple method or header. + // This is done to ensure a preflight is not triggered exclusively based on the + // addition of these 2 non-simple headers. + if (!options.cors.expected || (!isSimpleMethod() || containsNonSimpleHeaders(customHeaders))) { + xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest"); + xhr.setRequestHeader("Cache-Control", "no-cache"); + } + } + + if (options.contentType && (method === "POST" || method === "PUT")) { + xhr.setRequestHeader("Content-Type", options.contentType); + } + + qq.extend(allHeaders, qq.isFunction(customHeaders) ? customHeaders(id) : customHeaders); + qq.extend(allHeaders, onDemandHeaders); + + qq.each(allHeaders, function(name, val) { + xhr.setRequestHeader(name, val); + }); + } + } + + function isResponseSuccessful(responseCode) { + return qq.indexOf(options.successfulResponseCodes[options.method], responseCode) >= 0; + } + + function prepareToSend(id, optXhr, addToPath, additionalParams, additionalQueryParams, additionalHeaders, payload) { + requestData[id] = { + addToPath: addToPath, + additionalParams: additionalParams, + additionalQueryParams: additionalQueryParams, + additionalHeaders: additionalHeaders, + payload: payload + }; + + var len = queue.push(id); + + // if too many active connections, wait... + if (len <= options.maxConnections) { + return sendRequest(id, optXhr); + } + } + + shouldParamsBeInQueryString = options.method === "GET" || options.method === "DELETE"; + + qq.extend(this, { + // Start the process of sending the request. The ID refers to the file associated with the request. + initTransport: function(id) { + var path, params, headers, payload, cacheBuster, additionalQueryParams; + + return { + // Optionally specify the end of the endpoint path for the request. + withPath: function(appendToPath) { + path = appendToPath; + return this; + }, + + // Optionally specify additional parameters to send along with the request. + // These will be added to the query string for GET/DELETE requests or the payload + // for POST/PUT requests. The Content-Type of the request will be used to determine + // how these parameters should be formatted as well. + withParams: function(additionalParams) { + params = additionalParams; + return this; + }, + + withQueryParams: function(_additionalQueryParams_) { + additionalQueryParams = _additionalQueryParams_; + return this; + }, + + // Optionally specify additional headers to send along with the request. + withHeaders: function(additionalHeaders) { + headers = additionalHeaders; + return this; + }, + + // Optionally specify a payload/body for the request. + withPayload: function(thePayload) { + payload = thePayload; + return this; + }, + + // Appends a cache buster (timestamp) to the request URL as a query parameter (only if GET or DELETE) + withCacheBuster: function() { + cacheBuster = true; + return this; + }, + + // Send the constructed request. + send: function(optXhr) { + if (cacheBuster && qq.indexOf(["GET", "DELETE"], options.method) >= 0) { + params.qqtimestamp = new Date().getTime(); + } + + return prepareToSend(id, optXhr, path, params, additionalQueryParams, headers, payload); + } + }; + }, + + canceled: function(id) { + dequeue(id); + } + }); +}; + +/* globals qq */ +/** + * Common upload handler functions. + * + * @constructor + */ +qq.UploadHandler = function(spec) { + "use strict"; + + var proxy = spec.proxy, + fileState = {}, + onCancel = proxy.onCancel, + getName = proxy.getName; + + qq.extend(this, { + add: function(id, fileItem) { + fileState[id] = fileItem; + fileState[id].temp = {}; + }, + + cancel: function(id) { + var self = this, + cancelFinalizationEffort = new qq.Promise(), + onCancelRetVal = onCancel(id, getName(id), cancelFinalizationEffort); + + onCancelRetVal.then(function() { + if (self.isValid(id)) { + fileState[id].canceled = true; + self.expunge(id); + } + cancelFinalizationEffort.success(); + }); + }, + + expunge: function(id) { + delete fileState[id]; + }, + + getThirdPartyFileId: function(id) { + return fileState[id].key; + }, + + isValid: function(id) { + return fileState[id] !== undefined; + }, + + reset: function() { + fileState = {}; + }, + + _getFileState: function(id) { + return fileState[id]; + }, + + _setThirdPartyFileId: function(id, thirdPartyFileId) { + fileState[id].key = thirdPartyFileId; + }, + + _wasCanceled: function(id) { + return !!fileState[id].canceled; + } + }); +}; + +/*globals qq*/ +/** + * Base upload handler module. Controls more specific handlers. + * + * @param o Options. Passed along to the specific handler submodule as well. + * @param namespace [optional] Namespace for the specific handler. + */ +qq.UploadHandlerController = function(o, namespace) { + "use strict"; + + var controller = this, + chunkingPossible = false, + concurrentChunkingPossible = false, + chunking, preventRetryResponse, log, handler, + + options = { + paramsStore: {}, + maxConnections: 3, // maximum number of concurrent uploads + chunking: { + enabled: false, + multiple: { + enabled: false + } + }, + log: function(str, level) {}, + onProgress: function(id, fileName, loaded, total) {}, + onComplete: function(id, fileName, response, xhr) {}, + onCancel: function(id, fileName) {}, + onUploadPrep: function(id) {}, // Called if non-trivial operations will be performed before onUpload + onUpload: function(id, fileName) {}, + onUploadChunk: function(id, fileName, chunkData) {}, + onUploadChunkSuccess: function(id, chunkData, response, xhr) {}, + onAutoRetry: function(id, fileName, response, xhr) {}, + onResume: function(id, fileName, chunkData) {}, + onUuidChanged: function(id, newUuid) {}, + getName: function(id) {}, + setSize: function(id, newSize) {}, + isQueued: function(id) {}, + getIdsInProxyGroup: function(id) {}, + getIdsInBatch: function(id) {} + }, + + chunked = { + // Called when each chunk has uploaded successfully + done: function(id, chunkIdx, response, xhr) { + var chunkData = handler._getChunkData(id, chunkIdx); + + handler._getFileState(id).attemptingResume = false; + + delete handler._getFileState(id).temp.chunkProgress[chunkIdx]; + handler._getFileState(id).loaded += chunkData.size; + + options.onUploadChunkSuccess(id, handler._getChunkDataForCallback(chunkData), response, xhr); + }, + + // Called when all chunks have been successfully uploaded and we want to ask the handler to perform any + // logic associated with closing out the file, such as combining the chunks. + finalize: function(id) { + var size = options.getSize(id), + name = options.getName(id); + + log("All chunks have been uploaded for " + id + " - finalizing...."); + handler.finalizeChunks(id).then( + function(response, xhr) { + log("Finalize successful for " + id); + + var normaizedResponse = upload.normalizeResponse(response, true); + + options.onProgress(id, name, size, size); + handler._maybeDeletePersistedChunkData(id); + upload.cleanup(id, normaizedResponse, xhr); + }, + function(response, xhr) { + var normaizedResponse = upload.normalizeResponse(response, false); + + log("Problem finalizing chunks for file ID " + id + " - " + normaizedResponse.error, "error"); + + if (normaizedResponse.reset) { + chunked.reset(id); + } + + if (!options.onAutoRetry(id, name, normaizedResponse, xhr)) { + upload.cleanup(id, normaizedResponse, xhr); + } + } + ); + }, + + hasMoreParts: function(id) { + return !!handler._getFileState(id).chunking.remaining.length; + }, + + nextPart: function(id) { + var nextIdx = handler._getFileState(id).chunking.remaining.shift(); + + if (nextIdx >= handler._getTotalChunks(id)) { + nextIdx = null; + } + + return nextIdx; + }, + + reset: function(id) { + log("Server or callback has ordered chunking effort to be restarted on next attempt for item ID " + id, "error"); + + handler._maybeDeletePersistedChunkData(id); + handler.reevaluateChunking(id); + handler._getFileState(id).loaded = 0; + }, + + sendNext: function(id) { + var size = options.getSize(id), + name = options.getName(id), + chunkIdx = chunked.nextPart(id), + chunkData = handler._getChunkData(id, chunkIdx), + resuming = handler._getFileState(id).attemptingResume, + inProgressChunks = handler._getFileState(id).chunking.inProgress || []; + + if (handler._getFileState(id).loaded == null) { + handler._getFileState(id).loaded = 0; + } + + // Don't follow-through with the resume attempt if the integrator returns false from onResume + if (resuming && options.onResume(id, name, chunkData) === false) { + chunked.reset(id); + chunkIdx = chunked.nextPart(id); + chunkData = handler._getChunkData(id, chunkIdx); + resuming = false; + } + + // If all chunks have already uploaded successfully, we must be re-attempting the finalize step. + if (chunkIdx == null && inProgressChunks.length === 0) { + chunked.finalize(id); + } + + // Send the next chunk + else { + log(qq.format("Sending chunked upload request for item {}.{}, bytes {}-{} of {}.", id, chunkIdx, chunkData.start + 1, chunkData.end, size)); + options.onUploadChunk(id, name, handler._getChunkDataForCallback(chunkData)); + inProgressChunks.push(chunkIdx); + handler._getFileState(id).chunking.inProgress = inProgressChunks; + + if (concurrentChunkingPossible) { + connectionManager.open(id, chunkIdx); + } + + if (concurrentChunkingPossible && connectionManager.available() && handler._getFileState(id).chunking.remaining.length) { + chunked.sendNext(id); + } + + handler.uploadChunk(id, chunkIdx, resuming).then( + // upload chunk success + function success(response, xhr) { + log("Chunked upload request succeeded for " + id + ", chunk " + chunkIdx); + + handler.clearCachedChunk(id, chunkIdx); + + var inProgressChunks = handler._getFileState(id).chunking.inProgress || [], + responseToReport = upload.normalizeResponse(response, true), + inProgressChunkIdx = qq.indexOf(inProgressChunks, chunkIdx); + + log(qq.format("Chunk {} for file {} uploaded successfully.", chunkIdx, id)); + + chunked.done(id, chunkIdx, responseToReport, xhr); + + if (inProgressChunkIdx >= 0) { + inProgressChunks.splice(inProgressChunkIdx, 1); + } + + handler._maybePersistChunkedState(id); + + if (!chunked.hasMoreParts(id) && inProgressChunks.length === 0) { + chunked.finalize(id); + } + else if (chunked.hasMoreParts(id)) { + chunked.sendNext(id); + } + else { + 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))); + } + }, + + // upload chunk failure + function failure(response, xhr) { + log("Chunked upload request failed for " + id + ", chunk " + chunkIdx); + + handler.clearCachedChunk(id, chunkIdx); + + var responseToReport = upload.normalizeResponse(response, false), + inProgressIdx; + + if (responseToReport.reset) { + chunked.reset(id); + } + else { + inProgressIdx = qq.indexOf(handler._getFileState(id).chunking.inProgress, chunkIdx); + if (inProgressIdx >= 0) { + handler._getFileState(id).chunking.inProgress.splice(inProgressIdx, 1); + handler._getFileState(id).chunking.remaining.unshift(chunkIdx); + } + } + + // We may have aborted all other in-progress chunks for this file due to a failure. + // If so, ignore the failures associated with those aborts. + if (!handler._getFileState(id).temp.ignoreFailure) { + // If this chunk has failed, we want to ignore all other failures of currently in-progress + // chunks since they will be explicitly aborted + if (concurrentChunkingPossible) { + handler._getFileState(id).temp.ignoreFailure = true; + + 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))); + qq.each(handler._getXhrs(id), function(ckid, ckXhr) { + log(qq.format("Attempting to abort file {}.{}. XHR readyState {}. ", id, ckid, ckXhr.readyState)); + ckXhr.abort(); + // Flag the transport, in case we are waiting for some other async operation + // to complete before attempting to upload the chunk + ckXhr._cancelled = true; + }); + + // We must indicate that all aborted chunks are no longer in progress + handler.moveInProgressToRemaining(id); + + // Free up any connections used by these chunks, but don't allow any + // other files to take up the connections (until we have exhausted all auto-retries) + connectionManager.free(id, true); + } + + if (!options.onAutoRetry(id, name, responseToReport, xhr)) { + // If one chunk fails, abort all of the others to avoid odd race conditions that occur + // if a chunk succeeds immediately after one fails before we have determined if the upload + // is a failure or not. + upload.cleanup(id, responseToReport, xhr); + } + } + } + ) + .done(function() { + handler.clearXhr(id, chunkIdx); + }) ; + } + } + }, + + connectionManager = { + _open: [], + _openChunks: {}, + _waiting: [], + + available: function() { + var max = options.maxConnections, + openChunkEntriesCount = 0, + openChunksCount = 0; + + qq.each(connectionManager._openChunks, function(fileId, openChunkIndexes) { + openChunkEntriesCount++; + openChunksCount += openChunkIndexes.length; + }); + + return max - (connectionManager._open.length - openChunkEntriesCount + openChunksCount); + }, + + /** + * Removes element from queue, starts upload of next + */ + free: function(id, dontAllowNext) { + var allowNext = !dontAllowNext, + waitingIndex = qq.indexOf(connectionManager._waiting, id), + connectionsIndex = qq.indexOf(connectionManager._open, id), + nextId; + + delete connectionManager._openChunks[id]; + + if (upload.getProxyOrBlob(id) instanceof qq.BlobProxy) { + log("Generated blob upload has ended for " + id + ", disposing generated blob."); + delete handler._getFileState(id).file; + } + + // If this file was not consuming a connection, it was just waiting, so remove it from the waiting array + if (waitingIndex >= 0) { + connectionManager._waiting.splice(waitingIndex, 1); + } + // If this file was consuming a connection, allow the next file to be uploaded + else if (allowNext && connectionsIndex >= 0) { + connectionManager._open.splice(connectionsIndex, 1); + + nextId = connectionManager._waiting.shift(); + if (nextId >= 0) { + connectionManager._open.push(nextId); + upload.start(nextId); + } + } + }, + + getWaitingOrConnected: function() { + var waitingOrConnected = []; + + // Chunked files may have multiple connections open per chunk (if concurrent chunking is enabled) + // We need to grab the file ID of any file that has at least one chunk consuming a connection. + qq.each(connectionManager._openChunks, function(fileId, chunks) { + if (chunks && chunks.length) { + waitingOrConnected.push(parseInt(fileId)); + } + }); + + // For non-chunked files, only one connection will be consumed per file. + // This is where we aggregate those file IDs. + qq.each(connectionManager._open, function(idx, fileId) { + if (!connectionManager._openChunks[fileId]) { + waitingOrConnected.push(parseInt(fileId)); + } + }); + + // There may be files waiting for a connection. + waitingOrConnected = waitingOrConnected.concat(connectionManager._waiting); + + return waitingOrConnected; + }, + + isUsingConnection: function(id) { + return qq.indexOf(connectionManager._open, id) >= 0; + }, + + open: function(id, chunkIdx) { + if (chunkIdx == null) { + connectionManager._waiting.push(id); + } + + if (connectionManager.available()) { + if (chunkIdx == null) { + connectionManager._waiting.pop(); + connectionManager._open.push(id); + } + else { + (function() { + var openChunksEntry = connectionManager._openChunks[id] || []; + openChunksEntry.push(chunkIdx); + connectionManager._openChunks[id] = openChunksEntry; + }()); + } + + return true; + } + + return false; + }, + + reset: function() { + connectionManager._waiting = []; + connectionManager._open = []; + } + }, + + simple = { + send: function(id, name) { + handler._getFileState(id).loaded = 0; + + log("Sending simple upload request for " + id); + handler.uploadFile(id).then( + function(response, optXhr) { + log("Simple upload request succeeded for " + id); + + var responseToReport = upload.normalizeResponse(response, true), + size = options.getSize(id); + + options.onProgress(id, name, size, size); + upload.maybeNewUuid(id, responseToReport); + upload.cleanup(id, responseToReport, optXhr); + }, + + function(response, optXhr) { + log("Simple upload request failed for " + id); + + var responseToReport = upload.normalizeResponse(response, false); + + if (!options.onAutoRetry(id, name, responseToReport, optXhr)) { + upload.cleanup(id, responseToReport, optXhr); + } + } + ); + } + }, + + upload = { + cancel: function(id) { + log("Cancelling " + id); + options.paramsStore.remove(id); + connectionManager.free(id); + }, + + cleanup: function(id, response, optXhr) { + var name = options.getName(id); + + options.onComplete(id, name, response, optXhr); + + if (handler._getFileState(id)) { + handler._clearXhrs && handler._clearXhrs(id); + } + + connectionManager.free(id); + }, + + // Returns a qq.BlobProxy, or an actual File/Blob if no proxy is involved, or undefined + // if none of these are available for the ID + getProxyOrBlob: function(id) { + return (handler.getProxy && handler.getProxy(id)) || + (handler.getFile && handler.getFile(id)); + }, + + initHandler: function() { + var handlerType = namespace ? qq[namespace] : qq.traditional, + handlerModuleSubtype = qq.supportedFeatures.ajaxUploading ? "Xhr" : "Form"; + + handler = new handlerType[handlerModuleSubtype + "UploadHandler"]( + options, + { + getDataByUuid: options.getDataByUuid, + getName: options.getName, + getSize: options.getSize, + getUuid: options.getUuid, + log: log, + onCancel: options.onCancel, + onProgress: options.onProgress, + onUuidChanged: options.onUuidChanged + } + ); + + if (handler._removeExpiredChunkingRecords) { + handler._removeExpiredChunkingRecords(); + } + }, + + isDeferredEligibleForUpload: function(id) { + return options.isQueued(id); + }, + + // For Blobs that are part of a group of generated images, along with a reference image, + // this will ensure the blobs in the group are uploaded in the order they were triggered, + // even if some async processing must be completed on one or more Blobs first. + maybeDefer: function(id, blob) { + // If we don't have a file/blob yet & no file/blob exists for this item, request it, + // and then submit the upload to the specific handler once the blob is available. + // ASSUMPTION: This condition will only ever be true if XHR uploading is supported. + if (blob && !handler.getFile(id) && blob instanceof qq.BlobProxy) { + + // Blob creation may take some time, so the caller may want to update the + // UI to indicate that an operation is in progress, even before the actual + // upload begins and an onUpload callback is invoked. + options.onUploadPrep(id); + + log("Attempting to generate a blob on-demand for " + id); + blob.create().then(function(generatedBlob) { + log("Generated an on-demand blob for " + id); + + // Update record associated with this file by providing the generated Blob + handler.updateBlob(id, generatedBlob); + + // Propagate the size for this generated Blob + options.setSize(id, generatedBlob.size); + + // Order handler to recalculate chunking possibility, if applicable + handler.reevaluateChunking(id); + + upload.maybeSendDeferredFiles(id); + }, + + // Blob could not be generated. Fail the upload & attempt to prevent retries. Also bubble error message. + function(errorMessage) { + var errorResponse = {}; + + if (errorMessage) { + errorResponse.error = errorMessage; + } + + log(qq.format("Failed to generate blob for ID {}. Error message: {}.", id, errorMessage), "error"); + + options.onComplete(id, options.getName(id), qq.extend(errorResponse, preventRetryResponse), null); + upload.maybeSendDeferredFiles(id); + connectionManager.free(id); + }); + } + else { + return upload.maybeSendDeferredFiles(id); + } + + return false; + }, + + // Upload any grouped blobs, in the proper order, that are ready to be uploaded + maybeSendDeferredFiles: function(id) { + var idsInGroup = options.getIdsInProxyGroup(id), + uploadedThisId = false; + + if (idsInGroup && idsInGroup.length) { + log("Maybe ready to upload proxy group file " + id); + + qq.each(idsInGroup, function(idx, idInGroup) { + if (upload.isDeferredEligibleForUpload(idInGroup) && !!handler.getFile(idInGroup)) { + uploadedThisId = idInGroup === id; + upload.now(idInGroup); + } + else if (upload.isDeferredEligibleForUpload(idInGroup)) { + return false; + } + }); + } + else { + uploadedThisId = true; + upload.now(id); + } + + return uploadedThisId; + }, + + maybeNewUuid: function(id, response) { + if (response.newUuid !== undefined) { + options.onUuidChanged(id, response.newUuid); + } + }, + + // The response coming from handler implementations may be in various formats. + // Instead of hoping a promise nested 5 levels deep will always return an object + // as its first param, let's just normalize the response here. + normalizeResponse: function(originalResponse, successful) { + var response = originalResponse; + + // The passed "response" param may not be a response at all. + // It could be a string, detailing the error, for example. + if (!qq.isObject(originalResponse)) { + response = {}; + + if (qq.isString(originalResponse) && !successful) { + response.error = originalResponse; + } + } + + response.success = successful; + + return response; + }, + + now: function(id) { + var name = options.getName(id); + + if (!controller.isValid(id)) { + throw new qq.Error(id + " is not a valid file ID to upload!"); + } + + options.onUpload(id, name); + + if (chunkingPossible && handler._shouldChunkThisFile(id)) { + chunked.sendNext(id); + } + else { + simple.send(id, name); + } + }, + + start: function(id) { + var blobToUpload = upload.getProxyOrBlob(id); + + if (blobToUpload) { + return upload.maybeDefer(id, blobToUpload); + } + else { + upload.now(id); + return true; + } + } + }; + + qq.extend(this, { + /** + * Adds file or file input to the queue + **/ + add: function(id, file) { + handler.add.apply(this, arguments); + }, + + /** + * Sends the file identified by id + */ + upload: function(id) { + if (connectionManager.open(id)) { + return upload.start(id); + } + return false; + }, + + retry: function(id) { + // On retry, if concurrent chunking has been enabled, we may have aborted all other in-progress chunks + // for a file when encountering a failed chunk upload. We then signaled the controller to ignore + // all failures associated with these aborts. We are now retrying, so we don't want to ignore + // any more failures at this point. + if (concurrentChunkingPossible) { + handler._getFileState(id).temp.ignoreFailure = false; + } + + // If we are attempting to retry a file that is already consuming a connection, this is likely an auto-retry. + // Just go ahead and ask the handler to upload again. + if (connectionManager.isUsingConnection(id)) { + return upload.start(id); + } + + // If we are attempting to retry a file that is not currently consuming a connection, + // this is likely a manual retry attempt. We will need to ensure a connection is available + // before the retry commences. + else { + return controller.upload(id); + } + }, + + /** + * Cancels file upload by id + */ + cancel: function(id) { + var cancelRetVal = handler.cancel(id); + + if (qq.isGenericPromise(cancelRetVal)) { + cancelRetVal.then(function() { + upload.cancel(id); + }); + } + else if (cancelRetVal !== false) { + upload.cancel(id); + } + }, + + /** + * Cancels all queued or in-progress uploads + */ + cancelAll: function() { + var waitingOrConnected = connectionManager.getWaitingOrConnected(), + i; + + // ensure files are cancelled in reverse order which they were added + // to avoid a flash of time where a queued file begins to upload before it is canceled + if (waitingOrConnected.length) { + for (i = waitingOrConnected.length - 1; i >= 0; i--) { + controller.cancel(waitingOrConnected[i]); + } + } + + connectionManager.reset(); + }, + + // Returns a File, Blob, or the Blob/File for the reference/parent file if the targeted blob is a proxy. + // Undefined if no file record is available. + getFile: function(id) { + if (handler.getProxy && handler.getProxy(id)) { + return handler.getProxy(id).referenceBlob; + } + + return handler.getFile && handler.getFile(id); + }, + + // Returns true if the Blob associated with the ID is related to a proxy s + isProxied: function(id) { + return !!(handler.getProxy && handler.getProxy(id)); + }, + + getInput: function(id) { + if (handler.getInput) { + return handler.getInput(id); + } + }, + + reset: function() { + log("Resetting upload handler"); + controller.cancelAll(); + connectionManager.reset(); + handler.reset(); + }, + + expunge: function(id) { + if (controller.isValid(id)) { + return handler.expunge(id); + } + }, + + /** + * Determine if the file exists. + */ + isValid: function(id) { + return handler.isValid(id); + }, + + getResumableFilesData: function() { + if (handler.getResumableFilesData) { + return handler.getResumableFilesData(); + } + return []; + }, + + /** + * This may or may not be implemented, depending on the handler. For handlers where a third-party ID is + * available (such as the "key" for Amazon S3), this will return that value. Otherwise, the return value + * will be undefined. + * + * @param id Internal file ID + * @returns {*} Some identifier used by a 3rd-party service involved in the upload process + */ + getThirdPartyFileId: function(id) { + if (controller.isValid(id)) { + return handler.getThirdPartyFileId(id); + } + }, + + /** + * Attempts to pause the associated upload if the specific handler supports this and the file is "valid". + * @param id ID of the upload/file to pause + * @returns {boolean} true if the upload was paused + */ + pause: function(id) { + if (controller.isResumable(id) && handler.pause && controller.isValid(id) && handler.pause(id)) { + connectionManager.free(id); + handler.moveInProgressToRemaining(id); + return true; + } + return false; + }, + + // True if the file is eligible for pause/resume. + isResumable: function(id) { + return !!handler.isResumable && handler.isResumable(id); + } + }); + + qq.extend(options, o); + log = options.log; + chunkingPossible = options.chunking.enabled && qq.supportedFeatures.chunking; + concurrentChunkingPossible = chunkingPossible && options.chunking.concurrent.enabled; + + preventRetryResponse = (function() { + var response = {}; + + response[options.preventRetryParam] = true; + + return response; + }()); + + upload.initHandler(); +}; + +/* globals qq */ +/** + * Common APIs exposed to creators of upload via form/iframe handlers. This is reused and possibly overridden + * in some cases by specific form upload handlers. + * + * @constructor + */ +qq.FormUploadHandler = function(spec) { + "use strict"; + + 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({log: log}); + + /** + * Remove any trace of the file from the handler. + * + * @param id ID of the associated file + */ + function expungeFile(id) { + delete detachLoadEvents[id]; + + // If we are dealing with CORS, we might still be waiting for a response from a loaded iframe. + // In that case, terminate the timer waiting for a message from the loaded iframe + // and stop listening for any more messages coming from this iframe. + if (isCors) { + clearTimeout(postMessageCallbackTimers[id]); + delete postMessageCallbackTimers[id]; + corsMessageReceiver.stopReceivingMessages(id); + } + + var iframe = document.getElementById(handler._getIframeName(id)); + if (iframe) { + // To cancel request set src to something else. We use src="javascript:false;" + // because it doesn't trigger ie6 prompt on https + /* jshint scripturl:true */ + iframe.setAttribute("src", "javascript:false;"); + + qq(iframe).remove(); + } + } + + /** + * @param iframeName `document`-unique Name of the associated iframe + * @returns {*} ID of the associated file + */ + function getFileIdForIframeName(iframeName) { + return iframeName.split("_")[0]; + } + + /** + * Generates an iframe to be used as a target for upload-related form submits. This also adds the iframe + * to the current `document`. Note that the iframe is hidden from view. + * + * @param name Name of the iframe. + * @returns {HTMLIFrameElement} The created iframe + */ + function initIframeForUpload(name) { + var iframe = qq.toElement("<iframe src='javascript:false;' name='" + name + "' />"); + + iframe.setAttribute("id", name); + + iframe.style.display = "none"; + document.body.appendChild(iframe); + + return iframe; + } + + /** + * If we are in CORS mode, we must listen for messages (containing the server response) from the associated + * iframe, since we cannot directly parse the content of the iframe due to cross-origin restrictions. + * + * @param iframe Listen for messages on this iframe. + * @param callback Invoke this callback with the message from the iframe. + */ + function registerPostMessageCallback(iframe, callback) { + var iframeName = iframe.id, + fileId = getFileIdForIframeName(iframeName), + uuid = getUuid(fileId); + + onloadCallbacks[uuid] = callback; + + // When the iframe has loaded (after the server responds to an upload request) + // declare the attempt a failure if we don't receive a valid message shortly after the response comes in. + detachLoadEvents[fileId] = qq(iframe).attach("load", function() { + if (handler.getInput(fileId)) { + log("Received iframe load event for CORS upload request (iframe name " + iframeName + ")"); + + postMessageCallbackTimers[iframeName] = setTimeout(function() { + var errorMessage = "No valid message received from loaded iframe for iframe name " + iframeName; + log(errorMessage, "error"); + callback({ + error: errorMessage + }); + }, 1000); + } + }); + + // Listen for messages coming from this iframe. When a message has been received, cancel the timer + // that declares the upload a failure if a message is not received within a reasonable amount of time. + corsMessageReceiver.receiveMessage(iframeName, function(message) { + log("Received the following window message: '" + message + "'"); + var fileId = getFileIdForIframeName(iframeName), + response = handler._parseJsonResponse(message), + uuid = response.uuid, + onloadCallback; + + if (uuid && onloadCallbacks[uuid]) { + log("Handling response for iframe name " + iframeName); + clearTimeout(postMessageCallbackTimers[iframeName]); + delete postMessageCallbackTimers[iframeName]; + + handler._detachLoadEvent(iframeName); + + onloadCallback = onloadCallbacks[uuid]; + + delete onloadCallbacks[uuid]; + corsMessageReceiver.stopReceivingMessages(iframeName); + onloadCallback(response); + } + else if (!uuid) { + log("'" + message + "' does not contain a UUID - ignoring."); + } + }); + } + + qq.extend(this, new qq.UploadHandler(spec)); + + qq.override(this, function(super_) { + return { + /** + * Adds File or Blob to the queue + **/ + add: function(id, fileInput) { + super_.add(id, {input: fileInput}); + + fileInput.setAttribute("name", inputName); + + // remove file input from DOM + if (fileInput.parentNode) { + qq(fileInput).remove(); + } + }, + + expunge: function(id) { + expungeFile(id); + super_.expunge(id); + }, + + isValid: function(id) { + return super_.isValid(id) && + handler._getFileState(id).input !== undefined; + } + }; + }); + + qq.extend(this, { + getInput: function(id) { + return handler._getFileState(id).input; + }, + + /** + * This function either delegates to a more specific message handler if CORS is involved, + * or simply registers a callback when the iframe has been loaded that invokes the passed callback + * after determining if the content of the iframe is accessible. + * + * @param iframe Associated iframe + * @param callback Callback to invoke after we have determined if the iframe content is accessible. + */ + _attachLoadEvent: function(iframe, callback) { + /*jslint eqeq: true*/ + var responseDescriptor; + + if (isCors) { + registerPostMessageCallback(iframe, callback); + } + else { + detachLoadEvents[iframe.id] = qq(iframe).attach("load", function() { + log("Received response for " + iframe.id); + + // when we remove iframe from dom + // the request stops, but in IE load + // event fires + if (!iframe.parentNode) { + return; + } + + try { + // fixing Opera 10.53 + if (iframe.contentDocument && + iframe.contentDocument.body && + iframe.contentDocument.body.innerHTML == "false") { + // In Opera event is fired second time + // when body.innerHTML changed from false + // to server response approx. after 1 sec + // when we upload file with iframe + return; + } + } + catch (error) { + //IE may throw an "access is denied" error when attempting to access contentDocument on the iframe in some cases + log("Error when attempting to access iframe during handling of upload response (" + error.message + ")", "error"); + responseDescriptor = {success: false}; + } + + callback(responseDescriptor); + }); + } + }, + + /** + * Creates an iframe with a specific document-unique name. + * + * @param id ID of the associated file + * @returns {HTMLIFrameElement} + */ + _createIframe: function(id) { + var iframeName = handler._getIframeName(id); + + return initIframeForUpload(iframeName); + }, + + /** + * Called when we are no longer interested in being notified when an iframe has loaded. + * + * @param id Associated file ID + */ + _detachLoadEvent: function(id) { + if (detachLoadEvents[id] !== undefined) { + detachLoadEvents[id](); + delete detachLoadEvents[id]; + } + }, + + /** + * @param fileId ID of the associated file + * @returns {string} The `document`-unique name of the iframe + */ + _getIframeName: function(fileId) { + return fileId + "_" + formHandlerInstanceId; + }, + + /** + * Generates a form element and appends it to the `document`. When the form is submitted, a specific iframe is targeted. + * The name of the iframe is passed in as a property of the spec parameter, and must be unique in the `document`. Note + * that the form is hidden from view. + * + * @param spec An object containing various properties to be used when constructing the form. Required properties are + * currently: `method`, `endpoint`, `params`, `paramsInBody`, and `targetName`. + * @returns {HTMLFormElement} The created form + */ + _initFormForUpload: function(spec) { + 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; + + if (paramsInBody) { + qq.obj2Inputs(params, form); + } + else { + url = qq.obj2url(params, endpoint); + } + + form.setAttribute("action", url); + form.setAttribute("target", targetName); + form.style.display = "none"; + document.body.appendChild(form); + + return form; + }, + + /** + * @param innerHtmlOrMessage JSON message + * @returns {*} The parsed response, or an empty object if the response could not be parsed + */ + _parseJsonResponse: function(innerHtmlOrMessage) { + var response = {}; + + try { + response = qq.parseJson(innerHtmlOrMessage); + } + catch (error) { + log("Error when attempting to parse iframe upload response (" + error.message + ")", "error"); + } + + return response; + } + }); +}; + +/* globals qq */ +/** + * Common API exposed to creators of XHR handlers. This is reused and possibly overriding in some cases by specific + * XHR upload handlers. + * + * @constructor + */ +qq.XhrUploadHandler = function(spec) { + "use strict"; + + var handler = this, + namespace = spec.options.namespace, + proxy = spec.proxy, + chunking = spec.options.chunking, + 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; + + function abort(id) { + qq.each(handler._getXhrs(id), function(xhrId, xhr) { + var ajaxRequester = handler._getAjaxRequester(id, xhrId); + + xhr.onreadystatechange = null; + xhr.upload.onprogress = null; + xhr.abort(); + ajaxRequester && ajaxRequester.canceled && ajaxRequester.canceled(id); + }); + } + + qq.extend(this, new qq.UploadHandler(spec)); + + qq.override(this, function(super_) { + return { + /** + * Adds File or Blob to the queue + **/ + add: function(id, blobOrProxy) { + if (qq.isFile(blobOrProxy) || qq.isBlob(blobOrProxy)) { + super_.add(id, {file: blobOrProxy}); + } + else if (blobOrProxy instanceof qq.BlobProxy) { + super_.add(id, {proxy: blobOrProxy}); + } + else { + throw new Error("Passed obj is not a File, Blob, or proxy"); + } + + handler._initTempState(id); + resumeEnabled && handler._maybePrepareForResume(id); + }, + + expunge: function(id) { + abort(id); + handler._maybeDeletePersistedChunkData(id); + handler._clearXhrs(id); + super_.expunge(id); + } + }; + }); + + qq.extend(this, { + // Clear the cached chunk `Blob` after we are done with it, just in case the `Blob` bytes are stored in memory. + clearCachedChunk: function(id, chunkIdx) { + delete handler._getFileState(id).temp.cachedChunks[chunkIdx]; + }, + + clearXhr: function(id, chunkIdx) { + var tempState = handler._getFileState(id).temp; + + if (tempState.xhrs) { + delete tempState.xhrs[chunkIdx]; + } + if (tempState.ajaxRequesters) { + delete tempState.ajaxRequesters[chunkIdx]; + } + }, + + // Called when all chunks have been successfully uploaded. Expected promissory return type. + // This defines the default behavior if nothing further is required when all chunks have been uploaded. + finalizeChunks: function(id, responseParser) { + var lastChunkIdx = handler._getTotalChunks(id) - 1, + xhr = handler._getXhr(id, lastChunkIdx); + + if (responseParser) { + return new qq.Promise().success(responseParser(xhr), xhr); + } + + return new qq.Promise().success({}, xhr); + }, + + getFile: function(id) { + return handler.isValid(id) && handler._getFileState(id).file; + }, + + getProxy: function(id) { + return handler.isValid(id) && handler._getFileState(id).proxy; + }, + + /** + * @returns {Array} Array of objects containing properties useful to integrators + * when it is important to determine which files are potentially resumable. + */ + getResumableFilesData: function() { + var resumableFilesData = []; + + handler._iterateResumeRecords(function(key, uploadData) { + handler.moveInProgressToRemaining(null, uploadData.chunking.inProgress, uploadData.chunking.remaining); + + var data = { + name: uploadData.name, + remaining: uploadData.chunking.remaining, + size: uploadData.size, + uuid: uploadData.uuid + }; + + if (uploadData.key) { + data.key = uploadData.key; + } + + resumableFilesData.push(data); + }); + + return resumableFilesData; + }, + + isResumable: function(id) { + return !!chunking && handler.isValid(id) && !handler._getFileState(id).notResumable; + }, + + moveInProgressToRemaining: function(id, optInProgress, optRemaining) { + var inProgress = optInProgress || handler._getFileState(id).chunking.inProgress, + remaining = optRemaining || handler._getFileState(id).chunking.remaining; + + if (inProgress) { + log(qq.format("Moving these chunks from in-progress {}, to remaining.", JSON.stringify(inProgress))); + inProgress.reverse(); + qq.each(inProgress, function(idx, chunkIdx) { + remaining.unshift(chunkIdx); + }); + inProgress.length = 0; + } + }, + + pause: function(id) { + if (handler.isValid(id)) { + log(qq.format("Aborting XHR upload for {} '{}' due to pause instruction.", id, getName(id))); + handler._getFileState(id).paused = true; + abort(id); + return true; + } + }, + + reevaluateChunking: function(id) { + if (chunking && handler.isValid(id)) { + var state = handler._getFileState(id), + totalChunks, + i; + + delete state.chunking; + + state.chunking = {}; + totalChunks = handler._getTotalChunks(id); + if (totalChunks > 1 || chunking.mandatory) { + state.chunking.enabled = true; + state.chunking.parts = totalChunks; + state.chunking.remaining = []; + + for (i = 0; i < totalChunks; i++) { + state.chunking.remaining.push(i); + } + + handler._initTempState(id); + } + else { + state.chunking.enabled = false; + } + } + }, + + updateBlob: function(id, newBlob) { + if (handler.isValid(id)) { + handler._getFileState(id).file = newBlob; + } + }, + + _clearXhrs: function(id) { + var tempState = handler._getFileState(id).temp; + + qq.each(tempState.ajaxRequesters, function(chunkId) { + delete tempState.ajaxRequesters[chunkId]; + }); + + qq.each(tempState.xhrs, function(chunkId) { + delete tempState.xhrs[chunkId]; + }); + }, + + /** + * Creates an XHR instance for this file and stores it in the fileState. + * + * @param id File ID + * @param optChunkIdx The chunk index associated with this XHR, if applicable + * @returns {XMLHttpRequest} + */ + _createXhr: function(id, optChunkIdx) { + return handler._registerXhr(id, optChunkIdx, qq.createXhrInstance()); + }, + + _getAjaxRequester: function(id, optChunkIdx) { + var chunkIdx = optChunkIdx == null ? -1 : optChunkIdx; + return handler._getFileState(id).temp.ajaxRequesters[chunkIdx]; + }, + + _getChunkData: function(id, chunkIndex) { + var chunkSize = chunking.partSize, + 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, + + // To work around a Webkit GC bug, we must keep each chunk `Blob` in scope until we are done with it. + // See https://github.com/Widen/fine-uploader/issues/937#issuecomment-41418760 + blob = cachedChunks[chunkIndex] || qq.sliceBlob(fileOrBlob, startBytes, endBytes); + + cachedChunks[chunkIndex] = blob; + + return { + part: chunkIndex, + start: startBytes, + end: endBytes, + count: totalChunks, + blob: blob, + size: endBytes - startBytes + }; + }, + + _getChunkDataForCallback: function(chunkData) { + return { + partIndex: chunkData.part, + startByte: chunkData.start + 1, + endByte: chunkData.end, + totalParts: chunkData.count + }; + }, + + /** + * @param id File ID + * @returns {string} Identifier for this item that may appear in the browser's local storage + */ + _getLocalStorageId: function(id) { + var formatVersion = "5.0", + name = getName(id), + size = getSize(id), + chunkSize = chunking.partSize, + endpoint = getEndpoint(id); + + return qq.format("qq{}resume{}-{}-{}-{}-{}", namespace, formatVersion, name, size, chunkSize, endpoint); + }, + + _getMimeType: function(id) { + return handler.getFile(id).type; + }, + + _getPersistableData: function(id) { + return handler._getFileState(id).chunking; + }, + + /** + * @param id ID of the associated file + * @returns {number} Number of parts this file can be divided into, or undefined if chunking is not supported in this UA + */ + _getTotalChunks: function(id) { + if (chunking) { + var fileSize = getSize(id), + chunkSize = chunking.partSize; + + return Math.ceil(fileSize / chunkSize); + } + }, + + _getXhr: function(id, optChunkIdx) { + var chunkIdx = optChunkIdx == null ? -1 : optChunkIdx; + return handler._getFileState(id).temp.xhrs[chunkIdx]; + }, + + _getXhrs: function(id) { + return handler._getFileState(id).temp.xhrs; + }, + + // Iterates through all XHR handler-created resume records (in local storage), + // invoking the passed callback and passing in the key and value of each local storage record. + _iterateResumeRecords: function(callback) { + if (resumeEnabled) { + qq.each(localStorage, function(key, item) { + if (key.indexOf(qq.format("qq{}resume", namespace)) === 0) { + var uploadData = JSON.parse(item); + callback(key, uploadData); + } + }); + } + }, + + _initTempState: function(id) { + handler._getFileState(id).temp = { + ajaxRequesters: {}, + chunkProgress: {}, + xhrs: {}, + cachedChunks: {} + }; + }, + + _markNotResumable: function(id) { + handler._getFileState(id).notResumable = true; + }, + + // Removes a chunked upload record from local storage, if possible. + // Returns true if the item was removed, false otherwise. + _maybeDeletePersistedChunkData: function(id) { + var localStorageId; + + if (resumeEnabled && handler.isResumable(id)) { + localStorageId = handler._getLocalStorageId(id); + + if (localStorageId && localStorage.getItem(localStorageId)) { + localStorage.removeItem(localStorageId); + return true; + } + } + + return false; + }, + + // If this is a resumable upload, grab the relevant data from storage and items in memory that track this upload + // so we can pick up from where we left off. + _maybePrepareForResume: function(id) { + var state = handler._getFileState(id), + localStorageId, persistedData; + + // Resume is enabled and possible and this is the first time we've tried to upload this file in this session, + // so prepare for a resume attempt. + if (resumeEnabled && state.key === undefined) { + localStorageId = handler._getLocalStorageId(id); + persistedData = localStorage.getItem(localStorageId); + + // If we found this item in local storage, maybe we should resume it. + if (persistedData) { + persistedData = JSON.parse(persistedData); + + // If we found a resume record but we have already handled this file in this session, + // don't try to resume it & ensure we don't persist future check data + if (getDataByUuid(persistedData.uuid)) { + handler._markNotResumable(id); + } + else { + log(qq.format("Identified file with ID {} and name of {} as resumable.", id, getName(id))); + + onUuidChanged(id, persistedData.uuid); + + state.key = persistedData.key; + state.chunking = persistedData.chunking; + state.loaded = persistedData.loaded; + state.attemptingResume = true; + + handler.moveInProgressToRemaining(id); + } + } + } + }, + + // Persist any data needed to resume this upload in a new session. + _maybePersistChunkedState: function(id) { + var state = handler._getFileState(id), + localStorageId, persistedData; + + // If local storage isn't supported by the browser, or if resume isn't enabled or possible, give up + if (resumeEnabled && handler.isResumable(id)) { + localStorageId = handler._getLocalStorageId(id); + + persistedData = { + name: getName(id), + size: getSize(id), + uuid: getUuid(id), + key: state.key, + chunking: state.chunking, + loaded: state.loaded, + lastUpdated: Date.now() + }; + + try { + localStorage.setItem(localStorageId, JSON.stringify(persistedData)); + } + catch (error) { + log(qq.format("Unable to save resume data for '{}' due to error: '{}'.", id, error.toString()), "warn"); + } + } + }, + + _registerProgressHandler: function(id, chunkIdx, chunkSize) { + var xhr = handler._getXhr(id, chunkIdx), + name = getName(id), + progressCalculator = { + simple: function(loaded, total) { + var fileSize = getSize(id); + + if (loaded === total) { + onProgress(id, name, fileSize, fileSize); + } + else { + onProgress(id, name, (loaded >= fileSize ? fileSize - 1 : loaded), fileSize); + } + }, + + chunked: function(loaded, total) { + 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; + + chunkProgress[chunkIdx] = estActualChunkLoaded; + + qq.each(chunkProgress, function(chunkIdx, chunkLoaded) { + totalLoadedForFile += chunkLoaded; + }); + + onProgress(id, name, totalLoadedForFile, totalFileSize); + } + }; + + xhr.upload.onprogress = function(e) { + if (e.lengthComputable) { + /* jshint eqnull: true */ + var type = chunkSize == null ? "simple" : "chunked"; + progressCalculator[type](e.loaded, e.total); + } + }; + }, + + /** + * Registers an XHR transport instance created elsewhere. + * + * @param id ID of the associated file + * @param optChunkIdx The chunk index associated with this XHR, if applicable + * @param xhr XMLHttpRequest object instance + * @param optAjaxRequester `qq.AjaxRequester` associated with this request, if applicable. + * @returns {XMLHttpRequest} + */ + _registerXhr: function(id, optChunkIdx, xhr, optAjaxRequester) { + var xhrsId = optChunkIdx == null ? -1 : optChunkIdx, + tempState = handler._getFileState(id).temp; + + tempState.xhrs = tempState.xhrs || {}; + tempState.ajaxRequesters = tempState.ajaxRequesters || {}; + + tempState.xhrs[xhrsId] = xhr; + + if (optAjaxRequester) { + tempState.ajaxRequesters[xhrsId] = optAjaxRequester; + } + + return xhr; + }, + + // Deletes any local storage records that are "expired". + _removeExpiredChunkingRecords: function() { + var expirationDays = resume.recordsExpireIn; + + handler._iterateResumeRecords(function(key, uploadData) { + var expirationDate = new Date(uploadData.lastUpdated); + + // transform updated date into expiration date + expirationDate.setDate(expirationDate.getDate() + expirationDays); + + if (expirationDate.getTime() <= Date.now()) { + log("Removing expired resume record with key " + key); + localStorage.removeItem(key); + } + }); + }, + + /** + * Determine if the associated file should be chunked. + * + * @param id ID of the associated file + * @returns {*} true if chunking is enabled, possible, and the file can be split into more than 1 part + */ + _shouldChunkThisFile: function(id) { + var state = handler._getFileState(id); + + if (!state.chunking) { + handler.reevaluateChunking(id); + } + + return state.chunking.enabled; + } + }); +}; + +/*globals qq */ +/*jshint -W117 */ +qq.WindowReceiveMessage = function(o) { + "use strict"; + + var options = { + log: function(message, level) {} + }, + callbackWrapperDetachers = {}; + + qq.extend(options, o); + + qq.extend(this, { + receiveMessage: function(id, callback) { + var onMessageCallbackWrapper = function(event) { + callback(event.data); + }; + + if (window.postMessage) { + callbackWrapperDetachers[id] = qq(window).attach("message", onMessageCallbackWrapper); + } + else { + log("iframe message passing not supported in this browser!", "error"); + } + }, + + stopReceivingMessages: function(id) { + if (window.postMessage) { + var detacher = callbackWrapperDetachers[id]; + if (detacher) { + detacher(); + } + } + } + }); +}; + +/*globals qq */ +/** + * Defines the public API for FineUploader mode. + */ +(function() { + "use strict"; + + qq.uiPublicApi = { + addInitialFiles: function(cannedFileList) { + this._parent.prototype.addInitialFiles.apply(this, arguments); + this._templating.addCacheToDom(); + }, + + clearStoredFiles: function() { + this._parent.prototype.clearStoredFiles.apply(this, arguments); + this._templating.clearFiles(); + }, + + addExtraDropzone: function(element) { + this._dnd && this._dnd.setupExtraDropzone(element); + }, + + removeExtraDropzone: function(element) { + if (this._dnd) { + return this._dnd.removeDropzone(element); + } + }, + + getItemByFileId: function(id) { + if (!this._templating.isHiddenForever(id)) { + return this._templating.getFileContainer(id); + } + }, + + reset: function() { + this._parent.prototype.reset.apply(this, arguments); + this._templating.reset(); + + if (!this._options.button && this._templating.getButton()) { + this._defaultButtonId = this._createUploadButton({ + element: this._templating.getButton(), + title: this._options.text.fileInputTitle + }).getButtonId(); + } + + if (this._dnd) { + this._dnd.dispose(); + this._dnd = this._setupDragAndDrop(); + } + + this._totalFilesInBatch = 0; + this._filesInBatchAddedToUi = 0; + + this._setupClickAndEditEventHandlers(); + }, + + setName: function(id, newName) { + var formattedFilename = this._options.formatFileName(newName); + + this._parent.prototype.setName.apply(this, arguments); + this._templating.updateFilename(id, formattedFilename); + }, + + pauseUpload: function(id) { + var paused = this._parent.prototype.pauseUpload.apply(this, arguments); + + paused && this._templating.uploadPaused(id); + return paused; + }, + + continueUpload: function(id) { + var continued = this._parent.prototype.continueUpload.apply(this, arguments); + + continued && this._templating.uploadContinued(id); + return continued; + }, + + getId: function(fileContainerOrChildEl) { + return this._templating.getFileId(fileContainerOrChildEl); + }, + + getDropTarget: function(fileId) { + var file = this.getFile(fileId); + + return file.qqDropTarget; + } + }; + + /** + * Defines the private (internal) API for FineUploader mode. + */ + qq.uiPrivateApi = { + _getButton: function(buttonId) { + var button = this._parent.prototype._getButton.apply(this, arguments); + + if (!button) { + if (buttonId === this._defaultButtonId) { + button = this._templating.getButton(); + } + } + + return button; + }, + + _removeFileItem: function(fileId) { + this._templating.removeFile(fileId); + }, + + _setupClickAndEditEventHandlers: function() { + this._fileButtonsClickHandler = qq.FileButtonsClickHandler && this._bindFileButtonsClickEvent(); + + // A better approach would be to check specifically for focusin event support by querying the DOM API, + // but the DOMFocusIn event is not exposed as a property, so we have to resort to UA string sniffing. + this._focusinEventSupported = !qq.firefox(); + + if (this._isEditFilenameEnabled()) + { + this._filenameClickHandler = this._bindFilenameClickEvent(); + this._filenameInputFocusInHandler = this._bindFilenameInputFocusInEvent(); + this._filenameInputFocusHandler = this._bindFilenameInputFocusEvent(); + } + }, + + _setupDragAndDrop: function() { + var self = this, + dropZoneElements = this._options.dragAndDrop.extraDropzones, + templating = this._templating, + defaultDropZone = templating.getDropZone(); + + defaultDropZone && dropZoneElements.push(defaultDropZone); + + return new qq.DragAndDrop({ + dropZoneElements: dropZoneElements, + allowMultipleItems: this._options.multiple, + classes: { + dropActive: this._options.classes.dropActive + }, + callbacks: { + processingDroppedFiles: function() { + templating.showDropProcessing(); + }, + processingDroppedFilesComplete: function(files, targetEl) { + templating.hideDropProcessing(); + + qq.each(files, function(idx, file) { + file.qqDropTarget = targetEl; + }); + + if (files.length) { + self.addFiles(files, null, null); + } + }, + dropError: function(code, errorData) { + self._itemError(code, errorData); + }, + dropLog: function(message, level) { + self.log(message, level); + } + } + }); + }, + + _bindFileButtonsClickEvent: function() { + var self = this; + + return new qq.FileButtonsClickHandler({ + templating: this._templating, + + log: function(message, lvl) { + self.log(message, lvl); + }, + + onDeleteFile: function(fileId) { + self.deleteFile(fileId); + }, + + onCancel: function(fileId) { + self.cancel(fileId); + }, + + onRetry: function(fileId) { + self.retry(fileId); + }, + + onPause: function(fileId) { + self.pauseUpload(fileId); + }, + + onContinue: function(fileId) { + self.continueUpload(fileId); + }, + + onGetName: function(fileId) { + return self.getName(fileId); + } + }); + }, + + _isEditFilenameEnabled: function() { + /*jshint -W014 */ + return this._templating.isEditFilenamePossible() + && !this._options.autoUpload + && qq.FilenameClickHandler + && qq.FilenameInputFocusHandler + && qq.FilenameInputFocusHandler; + }, + + _filenameEditHandler: function() { + var self = this, + templating = this._templating; + + return { + templating: templating, + log: function(message, lvl) { + self.log(message, lvl); + }, + onGetUploadStatus: function(fileId) { + return self.getUploads({id: fileId}).status; + }, + onGetName: function(fileId) { + return self.getName(fileId); + }, + onSetName: function(id, newName) { + self.setName(id, newName); + }, + onEditingStatusChange: function(id, isEditing) { + var qqInput = qq(templating.getEditInput(id)), + qqFileContainer = qq(templating.getFileContainer(id)); + + if (isEditing) { + qqInput.addClass("qq-editing"); + templating.hideFilename(id); + templating.hideEditIcon(id); + } + else { + qqInput.removeClass("qq-editing"); + templating.showFilename(id); + templating.showEditIcon(id); + } + + // Force IE8 and older to repaint + qqFileContainer.addClass("qq-temp").removeClass("qq-temp"); + } + }; + }, + + _onUploadStatusChange: function(id, oldStatus, newStatus) { + this._parent.prototype._onUploadStatusChange.apply(this, arguments); + + if (this._isEditFilenameEnabled()) { + // Status for a file exists before it has been added to the DOM, so we must be careful here. + if (this._templating.getFileContainer(id) && newStatus !== qq.status.SUBMITTED) { + this._templating.markFilenameEditable(id); + this._templating.hideEditIcon(id); + } + } + + if (newStatus === qq.status.UPLOAD_RETRYING) { + this._templating.hideRetry(id); + this._templating.setStatusText(id); + qq(this._templating.getFileContainer(id)).removeClass(this._classes.retrying); + } + else if (newStatus === qq.status.UPLOAD_FAILED) { + this._templating.hidePause(id); + } + }, + + _bindFilenameInputFocusInEvent: function() { + var spec = qq.extend({}, this._filenameEditHandler()); + + return new qq.FilenameInputFocusInHandler(spec); + }, + + _bindFilenameInputFocusEvent: function() { + var spec = qq.extend({}, this._filenameEditHandler()); + + return new qq.FilenameInputFocusHandler(spec); + }, + + _bindFilenameClickEvent: function() { + var spec = qq.extend({}, this._filenameEditHandler()); + + return new qq.FilenameClickHandler(spec); + }, + + _storeForLater: function(id) { + this._parent.prototype._storeForLater.apply(this, arguments); + this._templating.hideSpinner(id); + }, + + _onAllComplete: function(successful, failed) { + this._parent.prototype._onAllComplete.apply(this, arguments); + this._templating.resetTotalProgress(); + }, + + _onSubmit: function(id, name) { + var file = this.getFile(id); + + if (file && file.qqPath && this._options.dragAndDrop.reportDirectoryPaths) { + this._paramsStore.addReadOnly(id, { + qqpath: file.qqPath + }); + } + + this._parent.prototype._onSubmit.apply(this, arguments); + this._addToList(id, name); + }, + + // The file item has been added to the DOM. + _onSubmitted: function(id) { + // If the edit filename feature is enabled, mark the filename element as "editable" and the associated edit icon + if (this._isEditFilenameEnabled()) { + this._templating.markFilenameEditable(id); + this._templating.showEditIcon(id); + + // If the focusin event is not supported, we must add a focus handler to the newly create edit filename text input + if (!this._focusinEventSupported) { + this._filenameInputFocusHandler.addHandler(this._templating.getEditInput(id)); + } + } + }, + + // Update the progress bar & percentage as the file is uploaded + _onProgress: function(id, name, loaded, total) { + this._parent.prototype._onProgress.apply(this, arguments); + + this._templating.updateProgress(id, loaded, total); + + if (Math.round(loaded / total * 100) === 100) { + this._templating.hideCancel(id); + this._templating.hidePause(id); + this._templating.hideProgress(id); + this._templating.setStatusText(id, this._options.text.waitingForResponse); + + // If ~last byte was sent, display total file size + this._displayFileSize(id); + } + else { + // If still uploading, display percentage - total size is actually the total request(s) size + this._displayFileSize(id, loaded, total); + } + }, + + _onTotalProgress: function(loaded, total) { + this._parent.prototype._onTotalProgress.apply(this, arguments); + this._templating.updateTotalProgress(loaded, total); + }, + + _onComplete: function(id, name, result, xhr) { + var parentRetVal = this._parent.prototype._onComplete.apply(this, arguments), + templating = this._templating, + fileContainer = templating.getFileContainer(id), + self = this; + + function completeUpload(result) { + // If this file is not represented in the templating module, perhaps it was hidden intentionally. + // If so, don't perform any UI-related tasks related to this file. + if (!fileContainer) { + return; + } + + templating.setStatusText(id); + + qq(fileContainer).removeClass(self._classes.retrying); + templating.hideProgress(id); + + if (self.getUploads({id: id}).status !== qq.status.UPLOAD_FAILED) { + templating.hideCancel(id); + } + templating.hideSpinner(id); + + if (result.success) { + self._markFileAsSuccessful(id); + } + else { + qq(fileContainer).addClass(self._classes.fail); + templating.showCancel(id); + + if (templating.isRetryPossible() && !self._preventRetries[id]) { + qq(fileContainer).addClass(self._classes.retryable); + templating.showRetry(id); + } + self._controlFailureTextDisplay(id, result); + } + } + + // The parent may need to perform some async operation before we can accurately determine the status of the upload. + if (parentRetVal instanceof qq.Promise) { + parentRetVal.done(function(newResult) { + completeUpload(newResult); + }); + + } + else { + completeUpload(result); + } + + return parentRetVal; + }, + + _markFileAsSuccessful: function(id) { + var templating = this._templating; + + if (this._isDeletePossible()) { + templating.showDeleteButton(id); + } + + qq(templating.getFileContainer(id)).addClass(this._classes.success); + + this._maybeUpdateThumbnail(id); + }, + + _onUploadPrep: function(id) { + this._parent.prototype._onUploadPrep.apply(this, arguments); + this._templating.showSpinner(id); + }, + + _onUpload: function(id, name) { + var parentRetVal = this._parent.prototype._onUpload.apply(this, arguments); + + this._templating.showSpinner(id); + + return parentRetVal; + }, + + _onUploadChunk: function(id, chunkData) { + this._parent.prototype._onUploadChunk.apply(this, arguments); + + // Only display the pause button if we have finished uploading at least one chunk + // & this file can be resumed + if (chunkData.partIndex > 0 && this._handler.isResumable(id)) { + this._templating.allowPause(id); + } + }, + + _onCancel: function(id, name) { + this._parent.prototype._onCancel.apply(this, arguments); + this._removeFileItem(id); + + if (this._getNotFinished() === 0) { + this._templating.resetTotalProgress(); + } + }, + + _onBeforeAutoRetry: function(id) { + var retryNumForDisplay, maxAuto, retryNote; + + this._parent.prototype._onBeforeAutoRetry.apply(this, arguments); + + this._showCancelLink(id); + + if (this._options.retry.showAutoRetryNote) { + retryNumForDisplay = this._autoRetries[id]; + maxAuto = this._options.retry.maxAutoAttempts; + + retryNote = this._options.retry.autoRetryNote.replace(/\{retryNum\}/g, retryNumForDisplay); + retryNote = retryNote.replace(/\{maxAuto\}/g, maxAuto); + + this._templating.setStatusText(id, retryNote); + qq(this._templating.getFileContainer(id)).addClass(this._classes.retrying); + } + }, + + //return false if we should not attempt the requested retry + _onBeforeManualRetry: function(id) { + if (this._parent.prototype._onBeforeManualRetry.apply(this, arguments)) { + this._templating.resetProgress(id); + qq(this._templating.getFileContainer(id)).removeClass(this._classes.fail); + this._templating.setStatusText(id); + this._templating.showSpinner(id); + this._showCancelLink(id); + return true; + } + else { + qq(this._templating.getFileContainer(id)).addClass(this._classes.retryable); + this._templating.showRetry(id); + return false; + } + }, + + _onSubmitDelete: function(id) { + var onSuccessCallback = qq.bind(this._onSubmitDeleteSuccess, this); + + this._parent.prototype._onSubmitDelete.call(this, id, onSuccessCallback); + }, + + _onSubmitDeleteSuccess: function(id, uuid, additionalMandatedParams) { + if (this._options.deleteFile.forceConfirm) { + this._showDeleteConfirm.apply(this, arguments); + } + else { + this._sendDeleteRequest.apply(this, arguments); + } + }, + + _onDeleteComplete: function(id, xhr, isError) { + this._parent.prototype._onDeleteComplete.apply(this, arguments); + + this._templating.hideSpinner(id); + + if (isError) { + this._templating.setStatusText(id, this._options.deleteFile.deletingFailedText); + this._templating.showDeleteButton(id); + } + else { + this._removeFileItem(id); + } + }, + + _sendDeleteRequest: function(id, uuid, additionalMandatedParams) { + this._templating.hideDeleteButton(id); + this._templating.showSpinner(id); + this._templating.setStatusText(id, this._options.deleteFile.deletingStatusText); + this._deleteHandler.sendDelete.apply(this, arguments); + }, + + _showDeleteConfirm: function(id, uuid, mandatedParams) { + /*jshint -W004 */ + var fileName = this.getName(id), + confirmMessage = this._options.deleteFile.confirmMessage.replace(/\{filename\}/g, fileName), + uuid = this.getUuid(id), + deleteRequestArgs = arguments, + self = this, + retVal; + + retVal = this._options.showConfirm(confirmMessage); + + if (qq.isGenericPromise(retVal)) { + retVal.then(function() { + self._sendDeleteRequest.apply(self, deleteRequestArgs); + }); + } + else if (retVal !== false) { + self._sendDeleteRequest.apply(self, deleteRequestArgs); + } + }, + + _addToList: function(id, name, canned) { + var prependData, + prependIndex = 0, + dontDisplay = this._handler.isProxied(id) && this._options.scaling.hideScaled, + record; + + if (this._options.display.prependFiles) { + if (this._totalFilesInBatch > 1 && this._filesInBatchAddedToUi > 0) { + prependIndex = this._filesInBatchAddedToUi - 1; + } + + prependData = { + index: prependIndex + }; + } + + if (!canned) { + if (this._options.disableCancelForFormUploads && !qq.supportedFeatures.ajaxUploading) { + this._templating.disableCancel(); + } + + // Cancel all existing (previous) files and clear the list if this file is not part of + // a scaled file group that has already been accepted, or if this file is not part of + // a scaled file group at all. + if (!this._options.multiple) { + record = this.getUploads({id: id}); + + this._handledProxyGroup = this._handledProxyGroup || record.proxyGroupId; + + if (record.proxyGroupId !== this._handledProxyGroup || !record.proxyGroupId) { + this._handler.cancelAll(); + this._clearList(); + this._handledProxyGroup = null; + } + } + } + + if (canned) { + this._templating.addFileToCache(id, this._options.formatFileName(name), prependData, dontDisplay); + this._templating.updateThumbnail(id, this._thumbnailUrls[id], true, this._options.thumbnails.customResizer); + } + else { + this._templating.addFile(id, this._options.formatFileName(name), prependData, dontDisplay); + this._templating.generatePreview(id, this.getFile(id), this._options.thumbnails.customResizer); + } + + this._filesInBatchAddedToUi += 1; + + if (canned || + (this._options.display.fileSizeOnSubmit && qq.supportedFeatures.ajaxUploading)) { + + this._displayFileSize(id); + } + }, + + _clearList: function() { + this._templating.clearFiles(); + this.clearStoredFiles(); + }, + + _displayFileSize: function(id, loadedSize, totalSize) { + var size = this.getSize(id), + sizeForDisplay = this._formatSize(size); + + if (size >= 0) { + if (loadedSize !== undefined && totalSize !== undefined) { + sizeForDisplay = this._formatProgress(loadedSize, totalSize); + } + + this._templating.updateSize(id, sizeForDisplay); + } + }, + + _formatProgress: function(uploadedSize, totalSize) { + var message = this._options.text.formatProgress; + function r(name, replacement) { message = message.replace(name, replacement); } + + r("{percent}", Math.round(uploadedSize / totalSize * 100)); + r("{total_size}", this._formatSize(totalSize)); + return message; + }, + + _controlFailureTextDisplay: function(id, response) { + var mode, responseProperty, failureReason; + + mode = this._options.failedUploadTextDisplay.mode; + responseProperty = this._options.failedUploadTextDisplay.responseProperty; + + if (mode === "custom") { + failureReason = response[responseProperty]; + if (!failureReason) { + failureReason = this._options.text.failUpload; + } + + this._templating.setStatusText(id, failureReason); + + if (this._options.failedUploadTextDisplay.enableTooltip) { + this._showTooltip(id, failureReason); + } + } + else if (mode === "default") { + this._templating.setStatusText(id, this._options.text.failUpload); + } + else if (mode !== "none") { + this.log("failedUploadTextDisplay.mode value of '" + mode + "' is not valid", "warn"); + } + }, + + _showTooltip: function(id, text) { + this._templating.getFileContainer(id).title = text; + }, + + _showCancelLink: function(id) { + if (!this._options.disableCancelForFormUploads || qq.supportedFeatures.ajaxUploading) { + this._templating.showCancel(id); + } + }, + + _itemError: function(code, name, item) { + var message = this._parent.prototype._itemError.apply(this, arguments); + this._options.showMessage(message); + }, + + _batchError: function(message) { + this._parent.prototype._batchError.apply(this, arguments); + this._options.showMessage(message); + }, + + _setupPastePrompt: function() { + var self = this; + + this._options.callbacks.onPasteReceived = function() { + var message = self._options.paste.namePromptMessage, + defaultVal = self._options.paste.defaultName; + + return self._options.showPrompt(message, defaultVal); + }; + }, + + _fileOrBlobRejected: function(id, name) { + this._totalFilesInBatch -= 1; + this._parent.prototype._fileOrBlobRejected.apply(this, arguments); + }, + + _prepareItemsForUpload: function(items, params, endpoint) { + this._totalFilesInBatch = items.length; + this._filesInBatchAddedToUi = 0; + this._parent.prototype._prepareItemsForUpload.apply(this, arguments); + }, + + _maybeUpdateThumbnail: function(fileId) { + var thumbnailUrl = this._thumbnailUrls[fileId], + fileStatus = this.getUploads({id: fileId}).status; + + if (fileStatus !== qq.status.DELETED && + (thumbnailUrl || + this._options.thumbnails.placeholders.waitUntilResponse || + !qq.supportedFeatures.imagePreviews)) { + + // This will replace the "waiting" placeholder with a "preview not available" placeholder + // if called with a null thumbnailUrl. + this._templating.updateThumbnail(fileId, thumbnailUrl, this._options.thumbnails.customResizer); + } + }, + + _addCannedFile: function(sessionData) { + var id = this._parent.prototype._addCannedFile.apply(this, arguments); + + this._addToList(id, this.getName(id), true); + this._templating.hideSpinner(id); + this._templating.hideCancel(id); + this._markFileAsSuccessful(id); + + return id; + }, + + _setSize: function(id, newSize) { + this._parent.prototype._setSize.apply(this, arguments); + + this._templating.updateSize(id, this._formatSize(newSize)); + }, + + _sessionRequestComplete: function() { + this._templating.addCacheToDom(); + this._parent.prototype._sessionRequestComplete.apply(this, arguments); + } + }; +}()); + +/*globals qq */ +/** + * This defines FineUploader mode, which is a default UI w/ drag & drop uploading. + */ +qq.FineUploader = function(o, namespace) { + "use strict"; + + var self = this; + + // By default this should inherit instance data from FineUploaderBasic, but this can be overridden + // if the (internal) caller defines a different parent. The parent is also used by + // the private and public API functions that need to delegate to a parent function. + this._parent = namespace ? qq[namespace].FineUploaderBasic : qq.FineUploaderBasic; + this._parent.apply(this, arguments); + + // Options provided by FineUploader mode + qq.extend(this._options, { + element: null, + + button: null, + + listElement: null, + + dragAndDrop: { + extraDropzones: [], + reportDirectoryPaths: false + }, + + text: { + formatProgress: "{percent}% of {total_size}", + failUpload: "Upload failed", + waitingForResponse: "Processing...", + paused: "Paused" + }, + + template: "qq-template", + + classes: { + retrying: "qq-upload-retrying", + retryable: "qq-upload-retryable", + success: "qq-upload-success", + fail: "qq-upload-fail", + editable: "qq-editable", + hide: "qq-hide", + dropActive: "qq-upload-drop-area-active" + }, + + failedUploadTextDisplay: { + mode: "default", //default, custom, or none + responseProperty: "error", + enableTooltip: true + }, + + messages: { + tooManyFilesError: "You may only drop one file", + unsupportedBrowser: "Unrecoverable error - this browser does not permit file uploading of any kind." + }, + + retry: { + showAutoRetryNote: true, + autoRetryNote: "Retrying {retryNum}/{maxAuto}..." + }, + + deleteFile: { + forceConfirm: false, + confirmMessage: "Are you sure you want to delete {filename}?", + deletingStatusText: "Deleting...", + deletingFailedText: "Delete failed" + + }, + + display: { + fileSizeOnSubmit: false, + prependFiles: false + }, + + paste: { + promptForName: false, + namePromptMessage: "Please name this image" + }, + + thumbnails: { + customResizer: null, + maxCount: 0, + placeholders: { + waitUntilResponse: false, + notAvailablePath: null, + waitingPath: null + }, + timeBetweenThumbs: 750 + }, + + scaling: { + hideScaled: false + }, + + showMessage: function(message) { + if (self._templating.hasDialog("alert")) { + return self._templating.showDialog("alert", message); + } + else { + setTimeout(function() { + window.alert(message); + }, 0); + } + }, + + showConfirm: function(message) { + if (self._templating.hasDialog("confirm")) { + return self._templating.showDialog("confirm", message); + } + else { + return window.confirm(message); + } + }, + + showPrompt: function(message, defaultValue) { + if (self._templating.hasDialog("prompt")) { + return self._templating.showDialog("prompt", message, defaultValue); + } + else { + return window.prompt(message, defaultValue); + } + } + }, true); + + // Replace any default options with user defined ones + qq.extend(this._options, o, true); + + this._templating = new qq.Templating({ + log: qq.bind(this.log, this), + templateIdOrEl: this._options.template, + containerEl: this._options.element, + fileContainerEl: this._options.listElement, + button: this._options.button, + imageGenerator: this._imageGenerator, + classes: { + hide: this._options.classes.hide, + editable: this._options.classes.editable + }, + limits: { + maxThumbs: this._options.thumbnails.maxCount, + timeBetweenThumbs: this._options.thumbnails.timeBetweenThumbs + }, + placeholders: { + waitUntilUpdate: this._options.thumbnails.placeholders.waitUntilResponse, + thumbnailNotAvailable: this._options.thumbnails.placeholders.notAvailablePath, + waitingForThumbnail: this._options.thumbnails.placeholders.waitingPath + }, + text: this._options.text + }); + + if (this._options.workarounds.ios8SafariUploads && qq.ios800() && qq.iosSafari()) { + this._templating.renderFailure(this._options.messages.unsupportedBrowserIos8Safari); + } + else if (!qq.supportedFeatures.uploading || (this._options.cors.expected && !qq.supportedFeatures.uploadCors)) { + this._templating.renderFailure(this._options.messages.unsupportedBrowser); + } + else { + this._wrapCallbacks(); + + this._templating.render(); + + this._classes = this._options.classes; + + if (!this._options.button && this._templating.getButton()) { + this._defaultButtonId = this._createUploadButton({ + element: this._templating.getButton(), + title: this._options.text.fileInputTitle + }).getButtonId(); + } + + this._setupClickAndEditEventHandlers(); + + if (qq.DragAndDrop && qq.supportedFeatures.fileDrop) { + this._dnd = this._setupDragAndDrop(); + } + + if (this._options.paste.targetElement && this._options.paste.promptForName) { + if (qq.PasteSupport) { + this._setupPastePrompt(); + } + else { + this.log("Paste support module not found.", "error"); + } + } + + this._totalFilesInBatch = 0; + this._filesInBatchAddedToUi = 0; + } +}; + +// Inherit the base public & private API methods +qq.extend(qq.FineUploader.prototype, qq.basePublicApi); +qq.extend(qq.FineUploader.prototype, qq.basePrivateApi); + +// Add the FineUploader/default UI public & private UI methods, which may override some base methods. +qq.extend(qq.FineUploader.prototype, qq.uiPublicApi); +qq.extend(qq.FineUploader.prototype, qq.uiPrivateApi); + +/* globals qq */ +/* jshint -W065 */ +/** + * Module responsible for rendering all Fine Uploader UI templates. This module also asserts at least + * a limited amount of control over the template elements after they are added to the DOM. + * Wherever possible, this module asserts total control over template elements present in the DOM. + * + * @param spec Specification object used to control various templating behaviors + * @constructor + */ +qq.Templating = function(spec) { + "use strict"; + + 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", + // This variable is duplicated in the DnD module since it can function as a standalone as well + 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 = { + content: document.createDocumentFragment(), + map: {} + }, + isCancelDisabled = false, + generatedThumbnails = 0, + thumbnailQueueMonitorRunning = false, + thumbGenerationQueue = [], + thumbnailMaxSize = -1, + options = { + log: null, + limits: { + maxThumbs: 0, + timeBetweenThumbs: 750 + }, + templateIdOrEl: "qq-template", + containerEl: null, + fileContainerEl: null, + button: null, + imageGenerator: null, + classes: { + hide: "qq-hide", + editable: "qq-editable" + }, + placeholders: { + waitUntilUpdate: false, + thumbnailNotAvailable: null, + waitingForThumbnail: null + }, + text: { + paused: "Paused" + } + }, + selectorClasses = { + button: "qq-upload-button-selector", + alertDialog: "qq-alert-dialog-selector", + dialogCancelButton: "qq-cancel-button-selector", + confirmDialog: "qq-confirm-dialog-selector", + dialogMessage: "qq-dialog-message-selector", + dialogOkButton: "qq-ok-button-selector", + promptDialog: "qq-prompt-dialog-selector", + uploader: "qq-uploader-selector", + drop: "qq-upload-drop-area-selector", + list: "qq-upload-list-selector", + progressBarContainer: "qq-progress-bar-container-selector", + progressBar: "qq-progress-bar-selector", + totalProgressBarContainer: "qq-total-progress-bar-container-selector", + totalProgressBar: "qq-total-progress-bar-selector", + file: "qq-upload-file-selector", + spinner: "qq-upload-spinner-selector", + size: "qq-upload-size-selector", + cancel: "qq-upload-cancel-selector", + pause: "qq-upload-pause-selector", + continueButton: "qq-upload-continue-selector", + deleteButton: "qq-upload-delete-selector", + retry: "qq-upload-retry-selector", + statusText: "qq-upload-status-text-selector", + editFilenameInput: "qq-edit-filename-selector", + editNameIcon: "qq-edit-filename-icon-selector", + dropText: "qq-upload-drop-area-text-selector", + dropProcessing: "qq-drop-processing-selector", + dropProcessingSpinner: "qq-drop-processing-spinner-selector", + thumbnail: "qq-thumbnail-selector" + }, + previewGeneration = {}, + cachedThumbnailNotAvailableImg = new qq.Promise(), + cachedWaitingForThumbnailImg = new qq.Promise(), + log, + isEditElementsExist, + isRetryElementExist, + templateHtml, + container, + fileList, + showThumbnails, + serverScale, + + // During initialization of the templating module we should cache any + // placeholder images so we can quickly swap them into the file list on demand. + // Any placeholder images that cannot be loaded/found are simply ignored. + cacheThumbnailPlaceholders = function() { + var notAvailableUrl = options.placeholders.thumbnailNotAvailable, + waitingUrl = options.placeholders.waitingForThumbnail, + spec = { + maxSize: thumbnailMaxSize, + scale: serverScale + }; + + if (showThumbnails) { + if (notAvailableUrl) { + options.imageGenerator.generate(notAvailableUrl, new Image(), spec).then( + function(updatedImg) { + cachedThumbnailNotAvailableImg.success(updatedImg); + }, + function() { + cachedThumbnailNotAvailableImg.failure(); + log("Problem loading 'not available' placeholder image at " + notAvailableUrl, "error"); + } + ); + } + else { + cachedThumbnailNotAvailableImg.failure(); + } + + if (waitingUrl) { + options.imageGenerator.generate(waitingUrl, new Image(), spec).then( + function(updatedImg) { + cachedWaitingForThumbnailImg.success(updatedImg); + }, + function() { + cachedWaitingForThumbnailImg.failure(); + log("Problem loading 'waiting for thumbnail' placeholder image at " + waitingUrl, "error"); + } + ); + } + else { + cachedWaitingForThumbnailImg.failure(); + } + } + }, + + // Displays a "waiting for thumbnail" type placeholder image + // iff we were able to load it during initialization of the templating module. + displayWaitingImg = function(thumbnail) { + var waitingImgPlacement = new qq.Promise(); + + cachedWaitingForThumbnailImg.then(function(img) { + maybeScalePlaceholderViaCss(img, thumbnail); + /* jshint eqnull:true */ + if (!thumbnail.src) { + thumbnail.src = img.src; + thumbnail.onload = function() { + thumbnail.onload = null; + show(thumbnail); + waitingImgPlacement.success(); + }; + } + else { + waitingImgPlacement.success(); + } + }, function() { + // In some browsers (such as IE9 and older) an img w/out a src attribute + // are displayed as "broken" images, so we should just hide the img tag + // if we aren't going to display the "waiting" placeholder. + hide(thumbnail); + waitingImgPlacement.success(); + }); + + return waitingImgPlacement; + }, + + generateNewPreview = function(id, blob, spec) { + var thumbnail = getThumbnail(id); + + log("Generating new thumbnail for " + id); + blob.qqThumbnailId = id; + + return options.imageGenerator.generate(blob, thumbnail, spec).then( + function() { + generatedThumbnails++; + show(thumbnail); + previewGeneration[id].success(); + }, + function() { + previewGeneration[id].failure(); + + // Display the "not available" placeholder img only if we are + // not expecting a thumbnail at a later point, such as in a server response. + if (!options.placeholders.waitUntilUpdate) { + maybeSetDisplayNotAvailableImg(id, thumbnail); + } + }); + }, + + generateNextQueuedPreview = function() { + if (thumbGenerationQueue.length) { + thumbnailQueueMonitorRunning = true; + + var queuedThumbRequest = thumbGenerationQueue.shift(); + + if (queuedThumbRequest.update) { + processUpdateQueuedPreviewRequest(queuedThumbRequest); + } + else { + processNewQueuedPreviewRequest(queuedThumbRequest); + } + } + else { + thumbnailQueueMonitorRunning = false; + } + }, + + getCancel = function(id) { + return getTemplateEl(getFile(id), selectorClasses.cancel); + }, + + getContinue = function(id) { + return getTemplateEl(getFile(id), selectorClasses.continueButton); + }, + + getDialog = function(type) { + return getTemplateEl(container, selectorClasses[type + "Dialog"]); + }, + + getDelete = function(id) { + return getTemplateEl(getFile(id), selectorClasses.deleteButton); + }, + + getDropProcessing = function() { + return getTemplateEl(container, selectorClasses.dropProcessing); + }, + + getEditIcon = function(id) { + return getTemplateEl(getFile(id), selectorClasses.editNameIcon); + }, + + getFile = function(id) { + return fileBatch.map[id] || qq(fileList).getFirstByClass(FILE_CLASS_PREFIX + id); + }, + + getFilename = function(id) { + return getTemplateEl(getFile(id), selectorClasses.file); + }, + + getPause = function(id) { + return getTemplateEl(getFile(id), selectorClasses.pause); + }, + + getProgress = function(id) { + /* jshint eqnull:true */ + // Total progress bar + if (id == null) { + return getTemplateEl(container, selectorClasses.totalProgressBarContainer) || + getTemplateEl(container, selectorClasses.totalProgressBar); + } + + // Per-file progress bar + return getTemplateEl(getFile(id), selectorClasses.progressBarContainer) || + getTemplateEl(getFile(id), selectorClasses.progressBar); + }, + + getRetry = function(id) { + return getTemplateEl(getFile(id), selectorClasses.retry); + }, + + getSize = function(id) { + return getTemplateEl(getFile(id), selectorClasses.size); + }, + + getSpinner = function(id) { + return getTemplateEl(getFile(id), selectorClasses.spinner); + }, + + getTemplateEl = function(context, cssClass) { + return context && qq(context).getFirstByClass(cssClass); + }, + + getThumbnail = function(id) { + return showThumbnails && getTemplateEl(getFile(id), selectorClasses.thumbnail); + }, + + hide = function(el) { + el && qq(el).addClass(options.classes.hide); + }, + + // Ensures a placeholder image does not exceed any max size specified + // via `style` attribute properties iff <canvas> was not used to scale + // the placeholder AND the target <img> doesn't already have these `style` attribute properties set. + maybeScalePlaceholderViaCss = function(placeholder, thumbnail) { + var maxWidth = placeholder.style.maxWidth, + maxHeight = placeholder.style.maxHeight; + + if (maxHeight && maxWidth && !thumbnail.style.maxWidth && !thumbnail.style.maxHeight) { + qq(thumbnail).css({ + maxWidth: maxWidth, + maxHeight: maxHeight + }); + } + }, + + // Displays a "thumbnail not available" type placeholder image + // iff we were able to load this placeholder during initialization + // of the templating module or after preview generation has failed. + maybeSetDisplayNotAvailableImg = function(id, thumbnail) { + var previewing = previewGeneration[id] || new qq.Promise().failure(), + notAvailableImgPlacement = new qq.Promise(); + + cachedThumbnailNotAvailableImg.then(function(img) { + previewing.then( + function() { + notAvailableImgPlacement.success(); + }, + function() { + maybeScalePlaceholderViaCss(img, thumbnail); + + thumbnail.onload = function() { + thumbnail.onload = null; + notAvailableImgPlacement.success(); + }; + + thumbnail.src = img.src; + show(thumbnail); + } + ); + }); + + return notAvailableImgPlacement; + }, + + /** + * Grabs the HTML from the script tag holding the template markup. This function will also adjust + * some internally-tracked state variables based on the contents of the template. + * The template is filtered so that irrelevant elements (such as the drop zone if DnD is not supported) + * are omitted from the DOM. Useful errors will be thrown if the template cannot be parsed. + * + * @returns {{template: *, fileTemplate: *}} HTML for the top-level file items templates + */ + parseAndGetTemplate = function() { + var scriptEl, + scriptHtml, + fileListNode, + tempTemplateEl, + fileListHtml, + defaultButton, + dropArea, + thumbnail, + dropProcessing, + dropTextEl, + uploaderEl; + + log("Parsing template"); + + /*jshint -W116*/ + if (options.templateIdOrEl == null) { + throw new Error("You MUST specify either a template element or ID!"); + } + + // Grab the contents of the script tag holding the template. + if (qq.isString(options.templateIdOrEl)) { + scriptEl = document.getElementById(options.templateIdOrEl); + + if (scriptEl === null) { + throw new Error(qq.format("Cannot find template script at ID '{}'!", options.templateIdOrEl)); + } + + scriptHtml = scriptEl.innerHTML; + } + else { + if (options.templateIdOrEl.innerHTML === undefined) { + throw new Error("You have specified an invalid value for the template option! " + + "It must be an ID or an Element."); + } + + scriptHtml = options.templateIdOrEl.innerHTML; + } + + scriptHtml = qq.trimStr(scriptHtml); + tempTemplateEl = document.createElement("div"); + tempTemplateEl.appendChild(qq.toElement(scriptHtml)); + uploaderEl = qq(tempTemplateEl).getFirstByClass(selectorClasses.uploader); + + // Don't include the default template button in the DOM + // if an alternate button container has been specified. + if (options.button) { + defaultButton = qq(tempTemplateEl).getFirstByClass(selectorClasses.button); + if (defaultButton) { + qq(defaultButton).remove(); + } + } + + // Omit the drop processing element from the DOM if DnD is not supported by the UA, + // or the drag and drop module is not found. + // NOTE: We are consciously not removing the drop zone if the UA doesn't support DnD + // to support layouts where the drop zone is also a container for visible elements, + // such as the file list. + if (!qq.DragAndDrop || !qq.supportedFeatures.fileDrop) { + dropProcessing = qq(tempTemplateEl).getFirstByClass(selectorClasses.dropProcessing); + if (dropProcessing) { + qq(dropProcessing).remove(); + } + } + + dropArea = qq(tempTemplateEl).getFirstByClass(selectorClasses.drop); + + // If DnD is not available then remove + // it from the DOM as well. + if (dropArea && !qq.DragAndDrop) { + log("DnD module unavailable.", "info"); + qq(dropArea).remove(); + } + + if (!qq.supportedFeatures.fileDrop) { + // don't display any "drop files to upload" background text + uploaderEl.removeAttribute(DROPZPONE_TEXT_ATTR); + + if (dropArea && qq(dropArea).hasAttribute(HIDE_DROPZONE_ATTR)) { + // If there is a drop area defined in the template, and the current UA doesn't support DnD, + // and the drop area is marked as "hide before enter", ensure it is hidden as the DnD module + // will not do this (since we will not be loading the DnD module) + qq(dropArea).css({ + display: "none" + }); + } + } + else if (qq(uploaderEl).hasAttribute(DROPZPONE_TEXT_ATTR) && dropArea) { + dropTextEl = qq(dropArea).getFirstByClass(selectorClasses.dropText); + dropTextEl && qq(dropTextEl).remove(); + } + + // Ensure the `showThumbnails` flag is only set if the thumbnail element + // is present in the template AND the current UA is capable of generating client-side previews. + thumbnail = qq(tempTemplateEl).getFirstByClass(selectorClasses.thumbnail); + if (!showThumbnails) { + thumbnail && qq(thumbnail).remove(); + } + else if (thumbnail) { + thumbnailMaxSize = parseInt(thumbnail.getAttribute(THUMBNAIL_MAX_SIZE_ATTR)); + // Only enforce max size if the attr value is non-zero + thumbnailMaxSize = thumbnailMaxSize > 0 ? thumbnailMaxSize : null; + + serverScale = qq(thumbnail).hasAttribute(THUMBNAIL_SERVER_SCALE_ATTR); + } + showThumbnails = showThumbnails && thumbnail; + + isEditElementsExist = qq(tempTemplateEl).getByClass(selectorClasses.editFilenameInput).length > 0; + isRetryElementExist = qq(tempTemplateEl).getByClass(selectorClasses.retry).length > 0; + + fileListNode = qq(tempTemplateEl).getFirstByClass(selectorClasses.list); + /*jshint -W116*/ + if (fileListNode == null) { + throw new Error("Could not find the file list container in the template!"); + } + + fileListHtml = fileListNode.innerHTML; + fileListNode.innerHTML = ""; + + // We must call `createElement` in IE8 in order to target and hide any <dialog> via CSS + if (tempTemplateEl.getElementsByTagName("DIALOG").length) { + document.createElement("dialog"); + } + + log("Template parsing complete"); + + return { + template: qq.trimStr(tempTemplateEl.innerHTML), + fileTemplate: qq.trimStr(fileListHtml) + }; + }, + + prependFile = function(el, index, fileList) { + var parentEl = fileList, + beforeEl = parentEl.firstChild; + + if (index > 0) { + beforeEl = qq(parentEl).children()[index].nextSibling; + + } + + parentEl.insertBefore(el, beforeEl); + }, + + processNewQueuedPreviewRequest = function(queuedThumbRequest) { + var id = queuedThumbRequest.id, + optFileOrBlob = queuedThumbRequest.optFileOrBlob, + relatedThumbnailId = optFileOrBlob && optFileOrBlob.qqThumbnailId, + thumbnail = getThumbnail(id), + spec = { + customResizeFunction: queuedThumbRequest.customResizeFunction, + maxSize: thumbnailMaxSize, + orient: true, + scale: true + }; + + if (qq.supportedFeatures.imagePreviews) { + if (thumbnail) { + if (options.limits.maxThumbs && options.limits.maxThumbs <= generatedThumbnails) { + maybeSetDisplayNotAvailableImg(id, thumbnail); + generateNextQueuedPreview(); + } + else { + displayWaitingImg(thumbnail).done(function() { + previewGeneration[id] = new qq.Promise(); + + previewGeneration[id].done(function() { + setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs); + }); + + /* jshint eqnull: true */ + // If we've already generated an <img> for this file, use the one that exists, + // don't waste resources generating a new one. + if (relatedThumbnailId != null) { + useCachedPreview(id, relatedThumbnailId); + } + else { + generateNewPreview(id, optFileOrBlob, spec); + } + }); + } + } + // File element in template may have been removed, so move on to next item in queue + else { + generateNextQueuedPreview(); + } + } + else if (thumbnail) { + displayWaitingImg(thumbnail); + generateNextQueuedPreview(); + } + }, + + processUpdateQueuedPreviewRequest = function(queuedThumbRequest) { + var id = queuedThumbRequest.id, + thumbnailUrl = queuedThumbRequest.thumbnailUrl, + showWaitingImg = queuedThumbRequest.showWaitingImg, + thumbnail = getThumbnail(id), + spec = { + customResizeFunction: queuedThumbRequest.customResizeFunction, + scale: serverScale, + maxSize: thumbnailMaxSize + }; + + if (thumbnail) { + if (thumbnailUrl) { + if (options.limits.maxThumbs && options.limits.maxThumbs <= generatedThumbnails) { + maybeSetDisplayNotAvailableImg(id, thumbnail); + generateNextQueuedPreview(); + } + else { + if (showWaitingImg) { + displayWaitingImg(thumbnail); + } + + return options.imageGenerator.generate(thumbnailUrl, thumbnail, spec).then( + function() { + show(thumbnail); + generatedThumbnails++; + setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs); + }, + + function() { + maybeSetDisplayNotAvailableImg(id, thumbnail); + setTimeout(generateNextQueuedPreview, options.limits.timeBetweenThumbs); + } + ); + } + } + else { + maybeSetDisplayNotAvailableImg(id, thumbnail); + generateNextQueuedPreview(); + } + } + }, + + setProgressBarWidth = function(id, percent) { + var bar = getProgress(id), + /* jshint eqnull:true */ + progressBarSelector = id == null ? selectorClasses.totalProgressBar : selectorClasses.progressBar; + + if (bar && !qq(bar).hasClass(progressBarSelector)) { + bar = qq(bar).getFirstByClass(progressBarSelector); + } + + if (bar) { + qq(bar).css({width: percent + "%"}); + bar.setAttribute("aria-valuenow", percent); + } + }, + + show = function(el) { + el && qq(el).removeClass(options.classes.hide); + }, + + useCachedPreview = function(targetThumbnailId, cachedThumbnailId) { + var targetThumbnail = getThumbnail(targetThumbnailId), + cachedThumbnail = getThumbnail(cachedThumbnailId); + + log(qq.format("ID {} is the same file as ID {}. Will use generated thumbnail from ID {} instead.", targetThumbnailId, cachedThumbnailId, cachedThumbnailId)); + + // Generation of the related thumbnail may still be in progress, so, wait until it is done. + previewGeneration[cachedThumbnailId].then(function() { + generatedThumbnails++; + previewGeneration[targetThumbnailId].success(); + log(qq.format("Now using previously generated thumbnail created for ID {} on ID {}.", cachedThumbnailId, targetThumbnailId)); + targetThumbnail.src = cachedThumbnail.src; + show(targetThumbnail); + }, + function() { + previewGeneration[targetThumbnailId].failure(); + if (!options.placeholders.waitUntilUpdate) { + maybeSetDisplayNotAvailableImg(targetThumbnailId, targetThumbnail); + } + }); + }; + + qq.extend(options, spec); + log = options.log; + + // No need to worry about conserving CPU or memory on older browsers, + // since there is no ability to preview, and thumbnail display is primitive and quick. + if (!qq.supportedFeatures.imagePreviews) { + options.limits.timeBetweenThumbs = 0; + options.limits.maxThumbs = 0; + } + + container = options.containerEl; + showThumbnails = options.imageGenerator !== undefined; + templateHtml = parseAndGetTemplate(); + + cacheThumbnailPlaceholders(); + + qq.extend(this, { + render: function() { + log("Rendering template in DOM."); + + generatedThumbnails = 0; + + container.innerHTML = templateHtml.template; + hide(getDropProcessing()); + this.hideTotalProgress(); + fileList = options.fileContainerEl || getTemplateEl(container, selectorClasses.list); + + log("Template rendering complete"); + }, + + renderFailure: function(message) { + var cantRenderEl = qq.toElement(message); + container.innerHTML = ""; + container.appendChild(cantRenderEl); + }, + + reset: function() { + this.render(); + }, + + clearFiles: function() { + fileList.innerHTML = ""; + }, + + disableCancel: function() { + isCancelDisabled = true; + }, + + addFile: function(id, name, prependInfo, hideForever, batch) { + var fileEl = qq.toElement(templateHtml.fileTemplate), + fileNameEl = getTemplateEl(fileEl, selectorClasses.file), + uploaderEl = getTemplateEl(container, selectorClasses.uploader), + fileContainer = batch ? fileBatch.content : fileList, + thumb; + + if (batch) { + fileBatch.map[id] = fileEl; + } + + qq(fileEl).addClass(FILE_CLASS_PREFIX + id); + uploaderEl.removeAttribute(DROPZPONE_TEXT_ATTR); + + if (fileNameEl) { + qq(fileNameEl).setText(name); + fileNameEl.setAttribute("title", name); + } + + fileEl.setAttribute(FILE_ID_ATTR, id); + + if (prependInfo) { + prependFile(fileEl, prependInfo.index, fileContainer); + } + else { + fileContainer.appendChild(fileEl); + } + + if (hideForever) { + fileEl.style.display = "none"; + qq(fileEl).addClass(HIDDEN_FOREVER_CLASS); + } + else { + hide(getProgress(id)); + hide(getSize(id)); + hide(getDelete(id)); + hide(getRetry(id)); + hide(getPause(id)); + hide(getContinue(id)); + + if (isCancelDisabled) { + this.hideCancel(id); + } + + thumb = getThumbnail(id); + if (thumb && !thumb.src) { + cachedWaitingForThumbnailImg.then(function(waitingImg) { + thumb.src = waitingImg.src; + if (waitingImg.style.maxHeight && waitingImg.style.maxWidth) { + qq(thumb).css({ + maxHeight: waitingImg.style.maxHeight, + maxWidth: waitingImg.style.maxWidth + }); + } + + show(thumb); + }); + } + } + }, + + addFileToCache: function(id, name, prependInfo, hideForever) { + this.addFile(id, name, prependInfo, hideForever, true); + }, + + addCacheToDom: function() { + fileList.appendChild(fileBatch.content); + fileBatch.content = document.createDocumentFragment(); + fileBatch.map = {}; + }, + + removeFile: function(id) { + qq(getFile(id)).remove(); + }, + + getFileId: function(el) { + var currentNode = el; + + if (currentNode) { + /*jshint -W116*/ + while (currentNode.getAttribute(FILE_ID_ATTR) == null) { + currentNode = currentNode.parentNode; + } + + return parseInt(currentNode.getAttribute(FILE_ID_ATTR)); + } + }, + + getFileList: function() { + return fileList; + }, + + markFilenameEditable: function(id) { + var filename = getFilename(id); + + filename && qq(filename).addClass(options.classes.editable); + }, + + updateFilename: function(id, name) { + var filenameEl = getFilename(id); + + if (filenameEl) { + qq(filenameEl).setText(name); + filenameEl.setAttribute("title", name); + } + }, + + hideFilename: function(id) { + hide(getFilename(id)); + }, + + showFilename: function(id) { + show(getFilename(id)); + }, + + isFileName: function(el) { + return qq(el).hasClass(selectorClasses.file); + }, + + getButton: function() { + return options.button || getTemplateEl(container, selectorClasses.button); + }, + + hideDropProcessing: function() { + hide(getDropProcessing()); + }, + + showDropProcessing: function() { + show(getDropProcessing()); + }, + + getDropZone: function() { + return getTemplateEl(container, selectorClasses.drop); + }, + + isEditFilenamePossible: function() { + return isEditElementsExist; + }, + + hideRetry: function(id) { + hide(getRetry(id)); + }, + + isRetryPossible: function() { + return isRetryElementExist; + }, + + showRetry: function(id) { + show(getRetry(id)); + }, + + getFileContainer: function(id) { + return getFile(id); + }, + + showEditIcon: function(id) { + var icon = getEditIcon(id); + + icon && qq(icon).addClass(options.classes.editable); + }, + + isHiddenForever: function(id) { + return qq(getFile(id)).hasClass(HIDDEN_FOREVER_CLASS); + }, + + hideEditIcon: function(id) { + var icon = getEditIcon(id); + + icon && qq(icon).removeClass(options.classes.editable); + }, + + isEditIcon: function(el) { + return qq(el).hasClass(selectorClasses.editNameIcon, true); + }, + + getEditInput: function(id) { + return getTemplateEl(getFile(id), selectorClasses.editFilenameInput); + }, + + isEditInput: function(el) { + return qq(el).hasClass(selectorClasses.editFilenameInput, true); + }, + + updateProgress: function(id, loaded, total) { + var bar = getProgress(id), + percent; + + if (bar && total > 0) { + percent = Math.round(loaded / total * 100); + + if (percent === 100) { + hide(bar); + } + else { + show(bar); + } + + setProgressBarWidth(id, percent); + } + }, + + updateTotalProgress: function(loaded, total) { + this.updateProgress(null, loaded, total); + }, + + hideProgress: function(id) { + var bar = getProgress(id); + + bar && hide(bar); + }, + + hideTotalProgress: function() { + this.hideProgress(); + }, + + resetProgress: function(id) { + setProgressBarWidth(id, 0); + this.hideTotalProgress(id); + }, + + resetTotalProgress: function() { + this.resetProgress(); + }, + + showCancel: function(id) { + if (!isCancelDisabled) { + var cancel = getCancel(id); + + cancel && qq(cancel).removeClass(options.classes.hide); + } + }, + + hideCancel: function(id) { + hide(getCancel(id)); + }, + + isCancel: function(el) { + return qq(el).hasClass(selectorClasses.cancel, true); + }, + + allowPause: function(id) { + show(getPause(id)); + hide(getContinue(id)); + }, + + uploadPaused: function(id) { + this.setStatusText(id, options.text.paused); + this.allowContinueButton(id); + hide(getSpinner(id)); + }, + + hidePause: function(id) { + hide(getPause(id)); + }, + + isPause: function(el) { + return qq(el).hasClass(selectorClasses.pause, true); + }, + + isContinueButton: function(el) { + return qq(el).hasClass(selectorClasses.continueButton, true); + }, + + allowContinueButton: function(id) { + show(getContinue(id)); + hide(getPause(id)); + }, + + uploadContinued: function(id) { + this.setStatusText(id, ""); + this.allowPause(id); + show(getSpinner(id)); + }, + + showDeleteButton: function(id) { + show(getDelete(id)); + }, + + hideDeleteButton: function(id) { + hide(getDelete(id)); + }, + + isDeleteButton: function(el) { + return qq(el).hasClass(selectorClasses.deleteButton, true); + }, + + isRetry: function(el) { + return qq(el).hasClass(selectorClasses.retry, true); + }, + + updateSize: function(id, text) { + var size = getSize(id); + + if (size) { + show(size); + qq(size).setText(text); + } + }, + + setStatusText: function(id, text) { + var textEl = getTemplateEl(getFile(id), selectorClasses.statusText); + + if (textEl) { + /*jshint -W116*/ + if (text == null) { + qq(textEl).clearText(); + } + else { + qq(textEl).setText(text); + } + } + }, + + hideSpinner: function(id) { + qq(getFile(id)).removeClass(IN_PROGRESS_CLASS); + hide(getSpinner(id)); + }, + + showSpinner: function(id) { + qq(getFile(id)).addClass(IN_PROGRESS_CLASS); + show(getSpinner(id)); + }, + + generatePreview: function(id, optFileOrBlob, customResizeFunction) { + if (!this.isHiddenForever(id)) { + thumbGenerationQueue.push({id: id, customResizeFunction: customResizeFunction, optFileOrBlob: optFileOrBlob}); + !thumbnailQueueMonitorRunning && generateNextQueuedPreview(); + } + }, + + updateThumbnail: function(id, thumbnailUrl, showWaitingImg, customResizeFunction) { + if (!this.isHiddenForever(id)) { + thumbGenerationQueue.push({customResizeFunction: customResizeFunction, update: true, id: id, thumbnailUrl: thumbnailUrl, showWaitingImg: showWaitingImg}); + !thumbnailQueueMonitorRunning && generateNextQueuedPreview(); + } + }, + + hasDialog: function(type) { + return qq.supportedFeatures.dialogElement && !!getDialog(type); + }, + + showDialog: function(type, message, defaultValue) { + 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() { + cancelBtn.removeEventListener("click", cancelClickHandler); + okBtn && okBtn.removeEventListener("click", okClickHandler); + promise.failure(); + }, + + cancelClickHandler = function() { + cancelBtn.removeEventListener("click", cancelClickHandler); + dialog.close(); + }, + + okClickHandler = function() { + dialog.removeEventListener("close", closeHandler); + okBtn.removeEventListener("click", okClickHandler); + dialog.close(); + + promise.success(inputEl && inputEl.value); + }; + + dialog.addEventListener("close", closeHandler); + cancelBtn.addEventListener("click", cancelClickHandler); + okBtn && okBtn.addEventListener("click", okClickHandler); + + if (inputEl) { + inputEl.value = defaultValue; + } + messageEl.textContent = message; + + dialog.showModal(); + + return promise; + } + }); +}; + +/*globals qq*/ +/** + * Upload handler used that assumes the current user agent does not have any support for the + * File API, and, therefore, makes use of iframes and forms to submit the files directly to + * a generic server. + * + * @param options Options passed from the base handler + * @param proxy Callbacks & methods used to query for or push out data/changes + */ +qq.traditional = qq.traditional || {}; +qq.traditional.FormUploadHandler = function(options, proxy) { + "use strict"; + + var handler = this, + getName = proxy.getName, + getUuid = proxy.getUuid, + log = proxy.log; + + /** + * Returns json object received by iframe from server. + */ + function getIframeContentJson(id, iframe) { + /*jshint evil: true*/ + + var response, doc, innerHtml; + + //IE may throw an "access is denied" error when attempting to access contentDocument on the iframe in some cases + try { + // iframe.contentWindow.document - for IE<7 + doc = iframe.contentDocument || iframe.contentWindow.document; + innerHtml = doc.body.innerHTML; + + log("converting iframe's innerHTML to JSON"); + log("innerHTML = " + innerHtml); + //plain text response may be wrapped in <pre> tag + if (innerHtml && innerHtml.match(/^<pre/i)) { + innerHtml = doc.body.firstChild.firstChild.nodeValue; + } + + response = handler._parseJsonResponse(innerHtml); + } + catch (error) { + log("Error when attempting to parse form upload response (" + error.message + ")", "error"); + response = {success: false}; + } + + return response; + } + + /** + * Creates form, that will be submitted to iframe + */ + function createForm(id, iframe) { + var params = options.paramsStore.get(id), + method = options.method.toLowerCase() === "get" ? "GET" : "POST", + endpoint = options.endpointStore.get(id), + name = getName(id); + + params[options.uuidName] = getUuid(id); + params[options.filenameParam] = name; + + return handler._initFormForUpload({ + method: method, + endpoint: endpoint, + params: params, + paramsInBody: options.paramsInBody, + targetName: iframe.name + }); + } + + this.uploadFile = function(id) { + var input = handler.getInput(id), + iframe = handler._createIframe(id), + promise = new qq.Promise(), + form; + + form = createForm(id, iframe); + form.appendChild(input); + + handler._attachLoadEvent(iframe, function(responseFromMessage) { + log("iframe loaded"); + + var response = responseFromMessage ? responseFromMessage : getIframeContentJson(id, iframe); + + handler._detachLoadEvent(id); + + //we can't remove an iframe if the iframe doesn't belong to the same domain + if (!options.cors.expected) { + qq(iframe).remove(); + } + + if (response.success) { + promise.success(response); + } + else { + promise.failure(response); + } + }); + + log("Sending upload request for " + id); + form.submit(); + qq(form).remove(); + + return promise; + }; + + qq.extend(this, new qq.FormUploadHandler({ + options: { + isCors: options.cors.expected, + inputName: options.inputName + }, + + proxy: { + onCancel: options.onCancel, + getName: getName, + getUuid: getUuid, + log: log + } + })); +}; + +/*globals qq*/ +/** + * Upload handler used to upload to traditional endpoints. It depends on File API support, and, therefore, + * makes use of `XMLHttpRequest` level 2 to upload `File`s and `Blob`s to a generic server. + * + * @param spec Options passed from the base handler + * @param proxy Callbacks & methods used to query for or push out data/changes + */ +qq.traditional = qq.traditional || {}; +qq.traditional.XhrUploadHandler = function(spec, proxy) { + "use strict"; + + 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) { + var size = getSize(id), + name = getName(id); + + params[spec.chunking.paramNames.partIndex] = chunkData.part; + params[spec.chunking.paramNames.partByteOffset] = chunkData.start; + params[spec.chunking.paramNames.chunkSize] = chunkData.size; + params[spec.chunking.paramNames.totalParts] = chunkData.count; + params[spec.totalFileSizeName] = size; + + /** + * When a Blob is sent in a multipart request, the filename value in the content-disposition header is either "blob" + * or an empty string. So, we will need to include the actual file name as a param in this case. + */ + if (multipart) { + params[spec.filenameParam] = name; + } + }, + + allChunksDoneRequester = new qq.traditional.AllChunksDoneAjaxRequester({ + cors: spec.cors, + endpoint: spec.chunking.success.endpoint, + log: log + }), + + createReadyStateChangedHandler = function(id, xhr) { + var promise = new qq.Promise(); + + xhr.onreadystatechange = function() { + if (xhr.readyState === 4) { + var result = onUploadOrChunkComplete(id, xhr); + + if (result.success) { + promise.success(result.response, xhr); + } + else { + promise.failure(result.response, xhr); + } + } + }; + + return promise; + }, + + getChunksCompleteParams = function(id) { + var params = spec.paramsStore.get(id), + name = getName(id), + size = getSize(id); + + params[spec.uuidName] = getUuid(id); + params[spec.filenameParam] = name; + params[spec.totalFileSizeName] = size; + params[spec.chunking.paramNames.totalParts] = handler._getTotalChunks(id); + + return params; + }, + + isErrorUploadResponse = function(xhr, response) { + return qq.indexOf([200, 201, 202, 203, 204], xhr.status) < 0 || + !response.success || + response.reset; + }, + + onUploadOrChunkComplete = function(id, xhr) { + var response; + + log("xhr - server response received for " + id); + log("responseText = " + xhr.responseText); + + response = parseResponse(true, xhr); + + return { + success: !isErrorUploadResponse(xhr, response), + response: response + }; + }, + + // If this is an upload response, we require a JSON payload, otherwise, it is optional. + parseResponse = function(upload, xhr) { + var response = {}; + + try { + log(qq.format("Received response status {} with body: {}", xhr.status, xhr.responseText)); + response = qq.parseJson(xhr.responseText); + } + catch (error) { + upload && log("Error when attempting to parse xhr response text (" + error.message + ")", "error"); + } + + return response; + }, + + sendChunksCompleteRequest = function(id) { + var promise = new qq.Promise(); + + allChunksDoneRequester.complete( + id, + handler._createXhr(id), + getChunksCompleteParams(id), + spec.customHeaders.get(id) + ) + .then(function(xhr) { + promise.success(parseResponse(false, xhr), xhr); + }, function(xhr) { + promise.failure(parseResponse(false, xhr), xhr); + }); + + return promise; + }, + + setParamsAndGetEntityToSend = function(params, xhr, fileOrBlob, id) { + var formData = new FormData(), + method = spec.method, + endpoint = spec.endpointStore.get(id), + name = getName(id), + size = getSize(id); + + params[spec.uuidName] = getUuid(id); + params[spec.filenameParam] = name; + + if (multipart) { + params[spec.totalFileSizeName] = size; + } + + //build query string + if (!spec.paramsInBody) { + if (!multipart) { + params[spec.inputName] = name; + } + endpoint = qq.obj2url(params, endpoint); + } + + xhr.open(method, endpoint, true); + + if (spec.cors.expected && spec.cors.sendCredentials) { + xhr.withCredentials = true; + } + + if (multipart) { + if (spec.paramsInBody) { + qq.obj2FormData(params, formData); + } + + formData.append(spec.inputName, fileOrBlob); + return formData; + } + + return fileOrBlob; + }, + + setUploadHeaders = function(id, xhr) { + var extraHeaders = spec.customHeaders.get(id), + fileOrBlob = handler.getFile(id); + + xhr.setRequestHeader("Accept", "application/json"); + xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest"); + xhr.setRequestHeader("Cache-Control", "no-cache"); + + if (!multipart) { + xhr.setRequestHeader("Content-Type", "application/octet-stream"); + //NOTE: return mime type in xhr works on chrome 16.0.9 firefox 11.0a2 + xhr.setRequestHeader("X-Mime-Type", fileOrBlob.type); + } + + qq.each(extraHeaders, function(name, val) { + xhr.setRequestHeader(name, val); + }); + }; + + qq.extend(this, { + uploadChunk: function(id, chunkIdx, resuming) { + var chunkData = handler._getChunkData(id, chunkIdx), + xhr = handler._createXhr(id, chunkIdx), + size = getSize(id), + promise, toSend, params; + + promise = createReadyStateChangedHandler(id, xhr); + handler._registerProgressHandler(id, chunkIdx, chunkData.size); + params = spec.paramsStore.get(id); + addChunkingSpecificParams(id, params, chunkData); + + if (resuming) { + params[spec.resume.paramNames.resuming] = true; + } + + toSend = setParamsAndGetEntityToSend(params, xhr, chunkData.blob, id); + setUploadHeaders(id, xhr); + xhr.send(toSend); + + return promise; + }, + + uploadFile: function(id) { + var fileOrBlob = handler.getFile(id), + promise, xhr, params, toSend; + + xhr = handler._createXhr(id); + handler._registerProgressHandler(id); + promise = createReadyStateChangedHandler(id, xhr); + params = spec.paramsStore.get(id); + toSend = setParamsAndGetEntityToSend(params, xhr, fileOrBlob, id); + setUploadHeaders(id, xhr); + xhr.send(toSend); + + return promise; + } + }); + + qq.extend(this, new qq.XhrUploadHandler({ + options: qq.extend({namespace: "traditional"}, spec), + proxy: qq.extend({getEndpoint: spec.endpointStore.get}, proxy) + })); + + qq.override(this, function(super_) { + return { + finalizeChunks: function(id) { + if (spec.chunking.success.endpoint) { + return sendChunksCompleteRequest(id); + } + else { + return super_.finalizeChunks(id, qq.bind(parseResponse, this, true)); + } + } + }; + }); +}; + +/*globals qq*/ +/** + * Ajax requester used to send a POST to a traditional endpoint once all chunks for a specific file have uploaded + * successfully. + * + * @param o Options from the caller - will override the defaults. + * @constructor + */ +qq.traditional.AllChunksDoneAjaxRequester = function(o) { + "use strict"; + + var requester, + method = "POST", + options = { + cors: { + allowXdr: false, + expected: false, + sendCredentials: false + }, + endpoint: null, + log: function(str, level) {} + }, + promises = {}, + endpointHandler = { + get: function(id) { + return options.endpoint; + } + }; + + qq.extend(options, o); + + requester = qq.extend(this, new qq.AjaxRequester({ + acceptHeader: "application/json", + validMethods: [method], + method: method, + endpointStore: endpointHandler, + allowXRequestedWithAndCacheControl: false, + cors: options.cors, + log: options.log, + onComplete: function(id, xhr, isError) { + var promise = promises[id]; + + delete promises[id]; + + if (isError) { + promise.failure(xhr); + } + else { + promise.success(xhr); + } + } + })); + + qq.extend(this, { + complete: function(id, xhr, params, headers) { + var promise = new qq.Promise(); + + options.log("Submitting All Chunks Done request for " + id); + + promises[id] = promise; + + requester.initTransport(id) + .withParams(params) + .withHeaders(headers) + .send(xhr); + + return promise; + } + }); +}; + +/*globals qq*/ +qq.PasteSupport = function(o) { + "use strict"; + + var options, detachPasteHandler; + + options = { + targetElement: null, + callbacks: { + log: function(message, level) {}, + pasteReceived: function(blob) {} + } + }; + + function isImage(item) { + return item.type && + item.type.indexOf("image/") === 0; + } + + function registerPasteHandler() { + detachPasteHandler = qq(options.targetElement).attach("paste", function(event) { + var clipboardData = event.clipboardData; + + if (clipboardData) { + qq.each(clipboardData.items, function(idx, item) { + if (isImage(item)) { + var blob = item.getAsFile(); + options.callbacks.pasteReceived(blob); + } + }); + } + }); + } + + function unregisterPasteHandler() { + if (detachPasteHandler) { + detachPasteHandler(); + } + } + + qq.extend(options, o); + registerPasteHandler(); + + qq.extend(this, { + reset: function() { + unregisterPasteHandler(); + } + }); +}; + +/*globals qq, document, CustomEvent*/ +qq.DragAndDrop = function(o) { + "use strict"; + + var options, + HIDE_ZONES_EVENT_NAME = "qq-hidezones", + HIDE_BEFORE_ENTER_ATTR = "qq-hide-dropzone", + uploadDropZones = [], + droppedFiles = [], + disposeSupport = new qq.DisposeSupport(); + + options = { + dropZoneElements: [], + allowMultipleItems: true, + classes: { + dropActive: null + }, + callbacks: new qq.DragAndDrop.callbacks() + }; + + qq.extend(options, o, true); + + function uploadDroppedFiles(files, uploadDropZone) { + // We need to convert the `FileList` to an actual `Array` to avoid iteration issues + var filesAsArray = Array.prototype.slice.call(files); + + options.callbacks.dropLog("Grabbed " + files.length + " dropped files."); + uploadDropZone.dropDisabled(false); + options.callbacks.processingDroppedFilesComplete(filesAsArray, uploadDropZone.getElement()); + } + + function traverseFileTree(entry) { + var parseEntryPromise = new qq.Promise(); + + if (entry.isFile) { + entry.file(function(file) { + var name = entry.name, + fullPath = entry.fullPath, + indexOfNameInFullPath = fullPath.indexOf(name); + + // remove file name from full path string + fullPath = fullPath.substr(0, indexOfNameInFullPath); + + // remove leading slash in full path string + if (fullPath.charAt(0) === "/") { + fullPath = fullPath.substr(1); + } + + file.qqPath = fullPath; + droppedFiles.push(file); + parseEntryPromise.success(); + }, + function(fileError) { + options.callbacks.dropLog("Problem parsing '" + entry.fullPath + "'. FileError code " + fileError.code + ".", "error"); + parseEntryPromise.failure(); + }); + } + else if (entry.isDirectory) { + getFilesInDirectory(entry).then( + function allEntriesRead(entries) { + var entriesLeft = entries.length; + + qq.each(entries, function(idx, entry) { + traverseFileTree(entry).done(function() { + entriesLeft -= 1; + + if (entriesLeft === 0) { + parseEntryPromise.success(); + } + }); + }); + + if (!entries.length) { + parseEntryPromise.success(); + } + }, + + function readFailure(fileError) { + options.callbacks.dropLog("Problem parsing '" + entry.fullPath + "'. FileError code " + fileError.code + ".", "error"); + parseEntryPromise.failure(); + } + ); + } + + return parseEntryPromise; + } + + // Promissory. Guaranteed to read all files in the root of the passed directory. + function getFilesInDirectory(entry, reader, accumEntries, existingPromise) { + var promise = existingPromise || new qq.Promise(), + dirReader = reader || entry.createReader(); + + dirReader.readEntries( + function readSuccess(entries) { + var newEntries = accumEntries ? accumEntries.concat(entries) : entries; + + if (entries.length) { + setTimeout(function() { // prevent stack overflow, however unlikely + getFilesInDirectory(entry, dirReader, newEntries, promise); + }, 0); + } + else { + promise.success(newEntries); + } + }, + + promise.failure + ); + + return promise; + } + + function handleDataTransfer(dataTransfer, uploadDropZone) { + var pendingFolderPromises = [], + handleDataTransferPromise = new qq.Promise(); + + options.callbacks.processingDroppedFiles(); + uploadDropZone.dropDisabled(true); + + if (dataTransfer.files.length > 1 && !options.allowMultipleItems) { + options.callbacks.processingDroppedFilesComplete([]); + options.callbacks.dropError("tooManyFilesError", ""); + uploadDropZone.dropDisabled(false); + handleDataTransferPromise.failure(); + } + else { + droppedFiles = []; + + if (qq.isFolderDropSupported(dataTransfer)) { + qq.each(dataTransfer.items, function(idx, item) { + var entry = item.webkitGetAsEntry(); + + if (entry) { + //due to a bug in Chrome's File System API impl - #149735 + if (entry.isFile) { + droppedFiles.push(item.getAsFile()); + } + + else { + pendingFolderPromises.push(traverseFileTree(entry).done(function() { + pendingFolderPromises.pop(); + if (pendingFolderPromises.length === 0) { + handleDataTransferPromise.success(); + } + })); + } + } + }); + } + else { + droppedFiles = dataTransfer.files; + } + + if (pendingFolderPromises.length === 0) { + handleDataTransferPromise.success(); + } + } + + return handleDataTransferPromise; + } + + function setupDropzone(dropArea) { + var dropZone = new qq.UploadDropZone({ + HIDE_ZONES_EVENT_NAME: HIDE_ZONES_EVENT_NAME, + element: dropArea, + onEnter: function(e) { + qq(dropArea).addClass(options.classes.dropActive); + e.stopPropagation(); + }, + onLeaveNotDescendants: function(e) { + qq(dropArea).removeClass(options.classes.dropActive); + }, + onDrop: function(e) { + handleDataTransfer(e.dataTransfer, dropZone).then( + function() { + uploadDroppedFiles(droppedFiles, dropZone); + }, + function() { + options.callbacks.dropLog("Drop event DataTransfer parsing failed. No files will be uploaded.", "error"); + } + ); + } + }); + + disposeSupport.addDisposer(function() { + dropZone.dispose(); + }); + + qq(dropArea).hasAttribute(HIDE_BEFORE_ENTER_ATTR) && qq(dropArea).hide(); + + uploadDropZones.push(dropZone); + + return dropZone; + } + + function isFileDrag(dragEvent) { + var fileDrag; + + qq.each(dragEvent.dataTransfer.types, function(key, val) { + if (val === "Files") { + fileDrag = true; + return false; + } + }); + + return fileDrag; + } + + // Attempt to determine when the file has left the document. It is not always possible to detect this + // in all cases, but it is generally possible in all browsers, with a few exceptions. + // + // Exceptions: + // * IE10+ & Safari: We can't detect a file leaving the document if the Explorer window housing the file + // overlays the browser window. + // * IE10+: If the file is dragged out of the window too quickly, IE does not set the expected values of the + // event's X & Y properties. + function leavingDocumentOut(e) { + if (qq.firefox()) { + return !e.relatedTarget; + } + + if (qq.safari()) { + return e.x < 0 || e.y < 0; + } + + return e.x === 0 && e.y === 0; + } + + function setupDragDrop() { + var dropZones = options.dropZoneElements, + + maybeHideDropZones = function() { + setTimeout(function() { + qq.each(dropZones, function(idx, dropZone) { + qq(dropZone).hasAttribute(HIDE_BEFORE_ENTER_ATTR) && qq(dropZone).hide(); + qq(dropZone).removeClass(options.classes.dropActive); + }); + }, 10); + }; + + qq.each(dropZones, function(idx, dropZone) { + var uploadDropZone = setupDropzone(dropZone); + + // IE <= 9 does not support the File API used for drag+drop uploads + if (dropZones.length && qq.supportedFeatures.fileDrop) { + disposeSupport.attach(document, "dragenter", function(e) { + if (!uploadDropZone.dropDisabled() && isFileDrag(e)) { + qq.each(dropZones, function(idx, dropZone) { + // We can't apply styles to non-HTMLElements, since they lack the `style` property. + // Also, if the drop zone isn't initially hidden, let's not mess with `style.display`. + if (dropZone instanceof HTMLElement && + qq(dropZone).hasAttribute(HIDE_BEFORE_ENTER_ATTR)) { + + qq(dropZone).css({display: "block"}); + } + }); + } + }); + } + }); + + disposeSupport.attach(document, "dragleave", function(e) { + if (leavingDocumentOut(e)) { + maybeHideDropZones(); + } + }); + + // Just in case we were not able to detect when a dragged file has left the document, + // hide all relevant drop zones the next time the mouse enters the document. + // Note that mouse events such as this one are not fired during drag operations. + disposeSupport.attach(qq(document).children()[0], "mouseenter", function(e) { + maybeHideDropZones(); + }); + + disposeSupport.attach(document, "drop", function(e) { + e.preventDefault(); + maybeHideDropZones(); + }); + + disposeSupport.attach(document, HIDE_ZONES_EVENT_NAME, maybeHideDropZones); + } + + setupDragDrop(); + + qq.extend(this, { + setupExtraDropzone: function(element) { + options.dropZoneElements.push(element); + setupDropzone(element); + }, + + removeDropzone: function(element) { + var i, + dzs = options.dropZoneElements; + + for (i in dzs) { + if (dzs[i] === element) { + return dzs.splice(i, 1); + } + } + }, + + dispose: function() { + disposeSupport.dispose(); + qq.each(uploadDropZones, function(idx, dropZone) { + dropZone.dispose(); + }); + } + }); +}; + +qq.DragAndDrop.callbacks = function() { + "use strict"; + + return { + processingDroppedFiles: function() {}, + processingDroppedFilesComplete: function(files, targetEl) {}, + dropError: function(code, errorSpecifics) { + qq.log("Drag & drop error code '" + code + " with these specifics: '" + errorSpecifics + "'", "error"); + }, + dropLog: function(message, level) { + qq.log(message, level); + } + }; +}; + +qq.UploadDropZone = function(o) { + "use strict"; + + var disposeSupport = new qq.DisposeSupport(), + options, element, preventDrop, dropOutsideDisabled; + + options = { + element: null, + onEnter: function(e) {}, + onLeave: function(e) {}, + // is not fired when leaving element by hovering descendants + onLeaveNotDescendants: function(e) {}, + onDrop: function(e) {} + }; + + qq.extend(options, o); + element = options.element; + + function dragoverShouldBeCanceled() { + return qq.safari() || (qq.firefox() && qq.windows()); + } + + function disableDropOutside(e) { + // run only once for all instances + if (!dropOutsideDisabled) { + + // for these cases we need to catch onDrop to reset dropArea + if (dragoverShouldBeCanceled) { + disposeSupport.attach(document, "dragover", function(e) { + e.preventDefault(); + }); + } else { + disposeSupport.attach(document, "dragover", function(e) { + if (e.dataTransfer) { + e.dataTransfer.dropEffect = "none"; + e.preventDefault(); + } + }); + } + + dropOutsideDisabled = true; + } + } + + function isValidFileDrag(e) { + // e.dataTransfer currently causing IE errors + // IE9 does NOT support file API, so drag-and-drop is not possible + if (!qq.supportedFeatures.fileDrop) { + return false; + } + + var effectTest, dt = e.dataTransfer, + // do not check dt.types.contains in webkit, because it crashes safari 4 + isSafari = qq.safari(); + + // dt.effectAllowed is none in Safari 5 + // dt.types.contains check is for firefox + + // dt.effectAllowed crashes IE 11 & 10 when files have been dragged from + // the filesystem + effectTest = qq.ie() && qq.supportedFeatures.fileDrop ? true : dt.effectAllowed !== "none"; + return dt && effectTest && (dt.files || (!isSafari && dt.types.contains && dt.types.contains("Files"))); + } + + function isOrSetDropDisabled(isDisabled) { + if (isDisabled !== undefined) { + preventDrop = isDisabled; + } + return preventDrop; + } + + function triggerHidezonesEvent() { + var hideZonesEvent; + + function triggerUsingOldApi() { + hideZonesEvent = document.createEvent("Event"); + hideZonesEvent.initEvent(options.HIDE_ZONES_EVENT_NAME, true, true); + } + + if (window.CustomEvent) { + try { + hideZonesEvent = new CustomEvent(options.HIDE_ZONES_EVENT_NAME); + } + catch (err) { + triggerUsingOldApi(); + } + } + else { + triggerUsingOldApi(); + } + + document.dispatchEvent(hideZonesEvent); + } + + function attachEvents() { + disposeSupport.attach(element, "dragover", function(e) { + if (!isValidFileDrag(e)) { + return; + } + + // dt.effectAllowed crashes IE 11 & 10 when files have been dragged from + // the filesystem + var effect = qq.ie() && qq.supportedFeatures.fileDrop ? null : e.dataTransfer.effectAllowed; + if (effect === "move" || effect === "linkMove") { + e.dataTransfer.dropEffect = "move"; // for FF (only move allowed) + } else { + e.dataTransfer.dropEffect = "copy"; // for Chrome + } + + e.stopPropagation(); + e.preventDefault(); + }); + + disposeSupport.attach(element, "dragenter", function(e) { + if (!isOrSetDropDisabled()) { + if (!isValidFileDrag(e)) { + return; + } + options.onEnter(e); + } + }); + + disposeSupport.attach(element, "dragleave", function(e) { + if (!isValidFileDrag(e)) { + return; + } + + options.onLeave(e); + + var relatedTarget = document.elementFromPoint(e.clientX, e.clientY); + // do not fire when moving a mouse over a descendant + if (qq(this).contains(relatedTarget)) { + return; + } + + options.onLeaveNotDescendants(e); + }); + + disposeSupport.attach(element, "drop", function(e) { + if (!isOrSetDropDisabled()) { + if (!isValidFileDrag(e)) { + return; + } + + e.preventDefault(); + e.stopPropagation(); + options.onDrop(e); + + triggerHidezonesEvent(); + } + }); + } + + disableDropOutside(); + attachEvents(); + + qq.extend(this, { + dropDisabled: function(isDisabled) { + return isOrSetDropDisabled(isDisabled); + }, + + dispose: function() { + disposeSupport.dispose(); + }, + + getElement: function() { + return element; + } + }); +}; + +/*globals qq, XMLHttpRequest*/ +qq.DeleteFileAjaxRequester = function(o) { + "use strict"; + + var requester, + options = { + method: "DELETE", + uuidParamName: "qquuid", + endpointStore: {}, + maxConnections: 3, + customHeaders: function(id) {return {};}, + paramsStore: {}, + cors: { + expected: false, + sendCredentials: false + }, + log: function(str, level) {}, + onDelete: function(id) {}, + onDeleteComplete: function(id, xhrOrXdr, isError) {} + }; + + qq.extend(options, o); + + function getMandatedParams() { + if (options.method.toUpperCase() === "POST") { + return { + _method: "DELETE" + }; + } + + return {}; + } + + requester = qq.extend(this, new qq.AjaxRequester({ + acceptHeader: "application/json", + validMethods: ["POST", "DELETE"], + method: options.method, + endpointStore: options.endpointStore, + paramsStore: options.paramsStore, + mandatedParams: getMandatedParams(), + maxConnections: options.maxConnections, + customHeaders: function(id) { + return options.customHeaders.get(id); + }, + log: options.log, + onSend: options.onDelete, + onComplete: options.onDeleteComplete, + cors: options.cors + })); + + qq.extend(this, { + sendDelete: function(id, uuid, additionalMandatedParams) { + var additionalOptions = additionalMandatedParams || {}; + + options.log("Submitting delete file request for " + id); + + if (options.method === "DELETE") { + requester.initTransport(id) + .withPath(uuid) + .withParams(additionalOptions) + .send(); + } + else { + additionalOptions[options.uuidParamName] = uuid; + requester.initTransport(id) + .withParams(additionalOptions) + .send(); + } + } + }); +}; + +/*global qq, define */ +/*jshint strict:false,bitwise:false,nonew:false,asi:true,-W064,-W116,-W089 */ +/** + * Mega pixel image rendering library for iOS6+ + * + * Fixes iOS6+'s image file rendering issue for large size image (over mega-pixel), + * which causes unexpected subsampling when drawing it in canvas. + * By using this library, you can safely render the image with proper stretching. + * + * Copyright (c) 2012 Shinichi Tomita <shinichi.tomita@gmail.com> + * Released under the MIT license + * + * Heavily modified by Widen for Fine Uploader + */ +(function() { + + /** + * Detect subsampling in loaded image. + * In iOS, larger images than 2M pixels may be subsampled in rendering. + */ + function detectSubsampling(img) { + var iw = img.naturalWidth, + ih = img.naturalHeight, + canvas = document.createElement("canvas"), + ctx; + + if (iw * ih > 1024 * 1024) { // subsampling may happen over megapixel image + canvas.width = canvas.height = 1; + ctx = canvas.getContext("2d"); + ctx.drawImage(img, -iw + 1, 0); + // subsampled image becomes half smaller in rendering size. + // check alpha channel value to confirm image is covering edge pixel or not. + // if alpha value is 0 image is not covering, hence subsampled. + return ctx.getImageData(0, 0, 1, 1).data[3] === 0; + } else { + return false; + } + } + + /** + * Detecting vertical squash in loaded image. + * Fixes a bug which squash image vertically while drawing into canvas for some images. + */ + function detectVerticalSquash(img, iw, ih) { + var canvas = document.createElement("canvas"), + sy = 0, + ey = ih, + py = ih, + ctx, data, alpha, ratio; + + canvas.width = 1; + canvas.height = ih; + ctx = canvas.getContext("2d"); + ctx.drawImage(img, 0, 0); + data = ctx.getImageData(0, 0, 1, ih).data; + + // search image edge pixel position in case it is squashed vertically. + while (py > sy) { + alpha = data[(py - 1) * 4 + 3]; + if (alpha === 0) { + ey = py; + } else { + sy = py; + } + py = (ey + sy) >> 1; + } + + ratio = (py / ih); + return (ratio === 0) ? 1 : ratio; + } + + /** + * Rendering image element (with resizing) and get its data URL + */ + function renderImageToDataURL(img, blob, options, doSquash) { + var canvas = document.createElement("canvas"), + mime = options.mime || "image/jpeg", + promise = new qq.Promise(); + + renderImageToCanvas(img, blob, canvas, options, doSquash) + .then(function() { + promise.success( + canvas.toDataURL(mime, options.quality || 0.8) + ); + }) + + return promise; + } + + function maybeCalculateDownsampledDimensions(spec) { + var maxPixels = 5241000; //iOS specific value + + if (!qq.ios()) { + throw new qq.Error("Downsampled dimensions can only be reliably calculated for iOS!"); + } + + if (spec.origHeight * spec.origWidth > maxPixels) { + return { + newHeight: Math.round(Math.sqrt(maxPixels * (spec.origHeight / spec.origWidth))), + newWidth: Math.round(Math.sqrt(maxPixels * (spec.origWidth / spec.origHeight))) + } + } + } + + /** + * Rendering image element (with resizing) into the canvas element + */ + function renderImageToCanvas(img, blob, canvas, options, doSquash) { + var iw = img.naturalWidth, + ih = img.naturalHeight, + width = options.width, + height = options.height, + ctx = canvas.getContext("2d"), + promise = new qq.Promise(), + modifiedDimensions; + + ctx.save(); + + if (options.resize) { + return renderImageToCanvasWithCustomResizer({ + blob: blob, + canvas: canvas, + image: img, + imageHeight: ih, + imageWidth: iw, + orientation: options.orientation, + resize: options.resize, + targetHeight: height, + targetWidth: width + }) + } + + if (!qq.supportedFeatures.unlimitedScaledImageSize) { + modifiedDimensions = maybeCalculateDownsampledDimensions({ + origWidth: width, + origHeight: height + }); + + if (modifiedDimensions) { + 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"); + + width = modifiedDimensions.newWidth; + height = modifiedDimensions.newHeight; + } + } + + transformCoordinate(canvas, width, height, options.orientation); + + // Fine Uploader specific: Save some CPU cycles if not using iOS + // Assumption: This logic is only needed to overcome iOS image sampling issues + if (qq.ios()) { + (function() { + if (detectSubsampling(img)) { + iw /= 2; + ih /= 2; + } + + var d = 1024, // size of tiling canvas + 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; + + tmpCanvas.width = tmpCanvas.height = d; + tmpCtx = tmpCanvas.getContext("2d"); + + while (sy < ih) { + sx = 0; + dx = 0; + while (sx < iw) { + tmpCtx.clearRect(0, 0, d, d); + tmpCtx.drawImage(img, -sx, -sy); + ctx.drawImage(tmpCanvas, 0, 0, d, d, dx, dy, dw, dh); + sx += d; + dx += dw; + } + sy += d; + dy += dh; + } + ctx.restore(); + tmpCanvas = tmpCtx = null; + }()) + } + else { + ctx.drawImage(img, 0, 0, width, height); + } + + canvas.qqImageRendered && canvas.qqImageRendered(); + promise.success(); + + return promise; + } + + function renderImageToCanvasWithCustomResizer(resizeInfo) { + 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; + + transformCoordinate(sourceCanvas, imageWidth, imageHeight, orientation); + + targetCanvas.height = targetHeight; + targetCanvas.width = targetWidth; + + sourceCanvasContext.drawImage(image, 0, 0); + + resize({ + blob: blob, + height: targetHeight, + image: image, + sourceCanvas: sourceCanvas, + targetCanvas: targetCanvas, + width: targetWidth + }) + .then( + function success() { + targetCanvas.qqImageRendered && targetCanvas.qqImageRendered(); + promise.success(); + }, + promise.failure + ) + + return promise; + } + + /** + * Transform canvas coordination according to specified frame size and orientation + * Orientation value is from EXIF tag + */ + function transformCoordinate(canvas, width, height, orientation) { + switch (orientation) { + case 5: + case 6: + case 7: + case 8: + canvas.width = height; + canvas.height = width; + break; + default: + canvas.width = width; + canvas.height = height; + } + var ctx = canvas.getContext("2d"); + switch (orientation) { + case 2: + // horizontal flip + ctx.translate(width, 0); + ctx.scale(-1, 1); + break; + case 3: + // 180 rotate left + ctx.translate(width, height); + ctx.rotate(Math.PI); + break; + case 4: + // vertical flip + ctx.translate(0, height); + ctx.scale(1, -1); + break; + case 5: + // vertical flip + 90 rotate right + ctx.rotate(0.5 * Math.PI); + ctx.scale(1, -1); + break; + case 6: + // 90 rotate right + ctx.rotate(0.5 * Math.PI); + ctx.translate(0, -height); + break; + case 7: + // horizontal flip + 90 rotate right + ctx.rotate(0.5 * Math.PI); + ctx.translate(width, -height); + ctx.scale(-1, 1); + break; + case 8: + // 90 rotate left + ctx.rotate(-0.5 * Math.PI); + ctx.translate(-width, 0); + break; + default: + break; + } + } + + /** + * MegaPixImage class + */ + function MegaPixImage(srcImage, errorCallback) { + var self = this; + + if (window.Blob && srcImage instanceof Blob) { + (function() { + var img = new Image(), + URL = window.URL && window.URL.createObjectURL ? window.URL : + window.webkitURL && window.webkitURL.createObjectURL ? window.webkitURL : null; + if (!URL) { throw Error("No createObjectURL function found to create blob url"); } + img.src = URL.createObjectURL(srcImage); + self.blob = srcImage; + srcImage = img; + }()); + } + if (!srcImage.naturalWidth && !srcImage.naturalHeight) { + srcImage.onload = function() { + var listeners = self.imageLoadListeners; + if (listeners) { + self.imageLoadListeners = null; + // IE11 doesn't reliably report actual image dimensions immediately after onload for small files, + // so let's push this to the end of the UI thread queue. + setTimeout(function() { + for (var i = 0, len = listeners.length; i < len; i++) { + listeners[i](); + } + }, 0); + } + }; + srcImage.onerror = errorCallback; + this.imageLoadListeners = []; + } + this.srcImage = srcImage; + } + + /** + * Rendering megapix image into specified target element + */ + MegaPixImage.prototype.render = function(target, options) { + options = options || {}; + + 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; + + if (this.imageLoadListeners) { + this.imageLoadListeners.push(function() { self.render(target, options) }); + return; + } + + if (width && !height) { + height = (imgHeight * width / imgWidth) << 0; + } else if (height && !width) { + width = (imgWidth * height / imgHeight) << 0; + } else { + width = imgWidth; + height = imgHeight; + } + if (maxWidth && width > maxWidth) { + width = maxWidth; + height = (imgHeight * width / imgWidth) << 0; + } + if (maxHeight && height > maxHeight) { + height = maxHeight; + width = (imgWidth * height / imgHeight) << 0; + } + + opt = { width: width, height: height }, + qq.each(options, function(optionsKey, optionsValue) { + opt[optionsKey] = optionsValue; + }); + + if (tagName === "img") { + (function() { + var oldTargetSrc = target.src; + renderImageToDataURL(self.srcImage, self.blob, opt, doSquash) + .then(function(dataUri) { + target.src = dataUri; + oldTargetSrc === target.src && target.onload(); + }); + }()) + } else if (tagName === "canvas") { + renderImageToCanvas(this.srcImage, this.blob, target, opt, doSquash); + } + if (typeof this.onrender === "function") { + this.onrender(target); + } + }; + + qq.MegaPixImage = MegaPixImage; +})(); + +/*globals qq */ +/** + * Draws a thumbnail of a Blob/File/URL onto an <img> or <canvas>. + * + * @constructor + */ +qq.ImageGenerator = function(log) { + "use strict"; + + function isImg(el) { + return el.tagName.toLowerCase() === "img"; + } + + function isCanvas(el) { + return el.tagName.toLowerCase() === "canvas"; + } + + function isImgCorsSupported() { + return new Image().crossOrigin !== undefined; + } + + function isCanvasSupported() { + var canvas = document.createElement("canvas"); + + return canvas.getContext && canvas.getContext("2d"); + } + + // This is only meant to determine the MIME type of a renderable image file. + // It is used to ensure images drawn from a URL that have transparent backgrounds + // are rendered correctly, among other things. + function determineMimeOfFileName(nameWithPath) { + /*jshint -W015 */ + var pathSegments = nameWithPath.split("/"), + name = pathSegments[pathSegments.length - 1], + extension = qq.getExtension(name); + + extension = extension && extension.toLowerCase(); + + switch (extension) { + case "jpeg": + case "jpg": + return "image/jpeg"; + case "png": + return "image/png"; + case "bmp": + return "image/bmp"; + case "gif": + return "image/gif"; + case "tiff": + case "tif": + return "image/tiff"; + } + } + + // This will likely not work correctly in IE8 and older. + // It's only used as part of a formula to determine + // if a canvas can be used to scale a server-hosted thumbnail. + // If canvas isn't supported by the UA (IE8 and older) + // this method should not even be called. + function isCrossOrigin(url) { + var targetAnchor = document.createElement("a"), + targetProtocol, targetHostname, targetPort; + + targetAnchor.href = url; + + targetProtocol = targetAnchor.protocol; + targetPort = targetAnchor.port; + targetHostname = targetAnchor.hostname; + + if (targetProtocol.toLowerCase() !== window.location.protocol.toLowerCase()) { + return true; + } + + if (targetHostname.toLowerCase() !== window.location.hostname.toLowerCase()) { + return true; + } + + // IE doesn't take ports into consideration when determining if two endpoints are same origin. + if (targetPort !== window.location.port && !qq.ie()) { + return true; + } + + return false; + } + + function registerImgLoadListeners(img, promise) { + img.onload = function() { + img.onload = null; + img.onerror = null; + promise.success(img); + }; + + img.onerror = function() { + img.onload = null; + img.onerror = null; + log("Problem drawing thumbnail!", "error"); + promise.failure(img, "Problem drawing thumbnail!"); + }; + } + + function registerCanvasDrawImageListener(canvas, promise) { + // The image is drawn on the canvas by a third-party library, + // and we want to know when this is completed. Since the library + // may invoke drawImage many times in a loop, we need to be called + // back when the image is fully rendered. So, we are expecting the + // code that draws this image to follow a convention that involves a + // function attached to the canvas instance be invoked when it is done. + canvas.qqImageRendered = function() { + promise.success(canvas); + }; + } + + // Fulfills a `qq.Promise` when an image has been drawn onto the target, + // whether that is a <canvas> or an <img>. The attempt is considered a + // failure if the target is not an <img> or a <canvas>, or if the drawing + // attempt was not successful. + function registerThumbnailRenderedListener(imgOrCanvas, promise) { + var registered = isImg(imgOrCanvas) || isCanvas(imgOrCanvas); + + if (isImg(imgOrCanvas)) { + registerImgLoadListeners(imgOrCanvas, promise); + } + else if (isCanvas(imgOrCanvas)) { + registerCanvasDrawImageListener(imgOrCanvas, promise); + } + else { + promise.failure(imgOrCanvas); + log(qq.format("Element container of type {} is not supported!", imgOrCanvas.tagName), "error"); + } + + return registered; + } + + // Draw a preview iff the current UA can natively display it. + // Also rotate the image if necessary. + function draw(fileOrBlob, container, options) { + var drawPreview = new qq.Promise(), + identifier = new qq.Identify(fileOrBlob, log), + maxSize = options.maxSize, + // jshint eqnull:true + orient = options.orient == null ? true : options.orient, + megapixErrorHandler = function() { + container.onerror = null; + container.onload = null; + log("Could not render preview, file may be too large!", "error"); + drawPreview.failure(container, "Browser cannot render image!"); + }; + + identifier.isPreviewable().then( + function(mime) { + // If options explicitly specify that Orientation is not desired, + // replace the orient task with a dummy promise that "succeeds" immediately. + var dummyExif = { + parse: function() { + return new qq.Promise().success(); + } + }, + exif = orient ? new qq.Exif(fileOrBlob, log) : dummyExif, + mpImg = new qq.MegaPixImage(fileOrBlob, megapixErrorHandler); + + if (registerThumbnailRenderedListener(container, drawPreview)) { + exif.parse().then( + function(exif) { + var orientation = exif && exif.Orientation; + + mpImg.render(container, { + maxWidth: maxSize, + maxHeight: maxSize, + orientation: orientation, + mime: mime, + resize: options.customResizeFunction + }); + }, + + function(failureMsg) { + log(qq.format("EXIF data could not be parsed ({}). Assuming orientation = 1.", failureMsg)); + + mpImg.render(container, { + maxWidth: maxSize, + maxHeight: maxSize, + mime: mime, + resize: options.customResizeFunction + }); + } + ); + } + }, + + function() { + log("Not previewable"); + drawPreview.failure(container, "Not previewable"); + } + ); + + return drawPreview; + } + + function drawOnCanvasOrImgFromUrl(url, canvasOrImg, draw, maxSize, customResizeFunction) { + var tempImg = new Image(), + tempImgRender = new qq.Promise(); + + registerThumbnailRenderedListener(tempImg, tempImgRender); + + if (isCrossOrigin(url)) { + tempImg.crossOrigin = "anonymous"; + } + + tempImg.src = url; + + tempImgRender.then( + function rendered() { + registerThumbnailRenderedListener(canvasOrImg, draw); + + var mpImg = new qq.MegaPixImage(tempImg); + mpImg.render(canvasOrImg, { + maxWidth: maxSize, + maxHeight: maxSize, + mime: determineMimeOfFileName(url), + resize: customResizeFunction + }); + }, + + draw.failure + ); + } + + function drawOnImgFromUrlWithCssScaling(url, img, draw, maxSize) { + registerThumbnailRenderedListener(img, draw); + // NOTE: The fact that maxWidth/height is set on the thumbnail for scaled images + // that must drop back to CSS is known and exploited by the templating module. + // In this module, we pre-render "waiting" thumbs for all files immediately after they + // are submitted, and we must be sure to pass any style associated with the "waiting" preview. + qq(img).css({ + maxWidth: maxSize + "px", + maxHeight: maxSize + "px" + }); + + img.src = url; + } + + // Draw a (server-hosted) thumbnail given a URL. + // This will optionally scale the thumbnail as well. + // It attempts to use <canvas> to scale, but will fall back + // to max-width and max-height style properties if the UA + // doesn't support canvas or if the images is cross-domain and + // the UA doesn't support the crossorigin attribute on img tags, + // which is required to scale a cross-origin image using <canvas> & + // then export it back to an <img>. + function drawFromUrl(url, container, options) { + var draw = new qq.Promise(), + scale = options.scale, + maxSize = scale ? options.maxSize : null; + + // container is an img, scaling needed + if (scale && isImg(container)) { + // Iff canvas is available in this UA, try to use it for scaling. + // Otherwise, fall back to CSS scaling + if (isCanvasSupported()) { + // Attempt to use <canvas> for image scaling, + // but we must fall back to scaling via CSS/styles + // if this is a cross-origin image and the UA doesn't support <img> CORS. + if (isCrossOrigin(url) && !isImgCorsSupported()) { + drawOnImgFromUrlWithCssScaling(url, container, draw, maxSize); + } + else { + drawOnCanvasOrImgFromUrl(url, container, draw, maxSize); + } + } + else { + drawOnImgFromUrlWithCssScaling(url, container, draw, maxSize); + } + } + // container is a canvas, scaling optional + else if (isCanvas(container)) { + drawOnCanvasOrImgFromUrl(url, container, draw, maxSize); + } + // container is an img & no scaling: just set the src attr to the passed url + else if (registerThumbnailRenderedListener(container, draw)) { + container.src = url; + } + + return draw; + } + + qq.extend(this, { + /** + * Generate a thumbnail. Depending on the arguments, this may either result in + * a client-side rendering of an image (if a `Blob` is supplied) or a server-generated + * image that may optionally be scaled client-side using <canvas> or CSS/styles (as a fallback). + * + * @param fileBlobOrUrl a `File`, `Blob`, or a URL pointing to the image + * @param container <img> or <canvas> to contain the preview + * @param options possible properties include `maxSize` (int), `orient` (bool - default true), resize` (bool - default true), and `customResizeFunction`. + * @returns qq.Promise fulfilled when the preview has been drawn, or the attempt has failed + */ + generate: function(fileBlobOrUrl, container, options) { + if (qq.isString(fileBlobOrUrl)) { + log("Attempting to update thumbnail based on server response."); + return drawFromUrl(fileBlobOrUrl, container, options || {}); + } + else { + log("Attempting to draw client-side image preview."); + return draw(fileBlobOrUrl, container, options || {}); + } + } + }); + +}; + +/*globals qq */ +/** + * EXIF image data parser. Currently only parses the Orientation tag value, + * but this may be expanded to other tags in the future. + * + * @param fileOrBlob Attempt to parse EXIF data in this `Blob` + * @constructor + */ +qq.Exif = function(fileOrBlob, log) { + "use strict"; + + // Orientation is the only tag parsed here at this time. + var TAG_IDS = [274], + TAG_INFO = { + 274: { + name: "Orientation", + bytes: 2 + } + }; + + // Convert a little endian (hex string) to big endian (decimal). + function parseLittleEndian(hex) { + var result = 0, + pow = 0; + + while (hex.length > 0) { + result += parseInt(hex.substring(0, 2), 16) * Math.pow(2, pow); + hex = hex.substring(2, hex.length); + pow += 8; + } + + return result; + } + + // Find the byte offset, of Application Segment 1 (EXIF). + // External callers need not supply any arguments. + function seekToApp1(offset, promise) { + var theOffset = offset, + thePromise = promise; + if (theOffset === undefined) { + theOffset = 2; + thePromise = new qq.Promise(); + } + + qq.readBlobToHex(fileOrBlob, theOffset, 4).then(function(hex) { + var match = /^ffe([0-9])/.exec(hex), + segmentLength; + + if (match) { + if (match[1] !== "1") { + segmentLength = parseInt(hex.slice(4, 8), 16); + seekToApp1(theOffset + segmentLength + 2, thePromise); + } + else { + thePromise.success(theOffset); + } + } + else { + thePromise.failure("No EXIF header to be found!"); + } + }); + + return thePromise; + } + + // Find the byte offset of Application Segment 1 (EXIF) for valid JPEGs only. + function getApp1Offset() { + var promise = new qq.Promise(); + + qq.readBlobToHex(fileOrBlob, 0, 6).then(function(hex) { + if (hex.indexOf("ffd8") !== 0) { + promise.failure("Not a valid JPEG!"); + } + else { + seekToApp1().then(function(offset) { + promise.success(offset); + }, + function(error) { + promise.failure(error); + }); + } + }); + + return promise; + } + + // Determine the byte ordering of the EXIF header. + function isLittleEndian(app1Start) { + var promise = new qq.Promise(); + + qq.readBlobToHex(fileOrBlob, app1Start + 10, 2).then(function(hex) { + promise.success(hex === "4949"); + }); + + return promise; + } + + // Determine the number of directory entries in the EXIF header. + function getDirEntryCount(app1Start, littleEndian) { + var promise = new qq.Promise(); + + qq.readBlobToHex(fileOrBlob, app1Start + 18, 2).then(function(hex) { + if (littleEndian) { + return promise.success(parseLittleEndian(hex)); + } + else { + promise.success(parseInt(hex, 16)); + } + }); + + return promise; + } + + // Get the IFD portion of the EXIF header as a hex string. + function getIfd(app1Start, dirEntries) { + var offset = app1Start + 20, + bytes = dirEntries * 12; + + return qq.readBlobToHex(fileOrBlob, offset, bytes); + } + + // Obtain an array of all directory entries (as hex strings) in the EXIF header. + function getDirEntries(ifdHex) { + var entries = [], + offset = 0; + + while (offset + 24 <= ifdHex.length) { + entries.push(ifdHex.slice(offset, offset + 24)); + offset += 24; + } + + return entries; + } + + // Obtain values for all relevant tags and return them. + function getTagValues(littleEndian, dirEntries) { + var TAG_VAL_OFFSET = 16, + tagsToFind = qq.extend([], TAG_IDS), + vals = {}; + + qq.each(dirEntries, function(idx, entry) { + var idHex = entry.slice(0, 4), + id = littleEndian ? parseLittleEndian(idHex) : parseInt(idHex, 16), + tagsToFindIdx = tagsToFind.indexOf(id), + tagValHex, tagName, tagValLength; + + if (tagsToFindIdx >= 0) { + tagName = TAG_INFO[id].name; + tagValLength = TAG_INFO[id].bytes; + tagValHex = entry.slice(TAG_VAL_OFFSET, TAG_VAL_OFFSET + (tagValLength * 2)); + vals[tagName] = littleEndian ? parseLittleEndian(tagValHex) : parseInt(tagValHex, 16); + + tagsToFind.splice(tagsToFindIdx, 1); + } + + if (tagsToFind.length === 0) { + return false; + } + }); + + return vals; + } + + qq.extend(this, { + /** + * Attempt to parse the EXIF header for the `Blob` associated with this instance. + * + * @returns {qq.Promise} To be fulfilled when the parsing is complete. + * If successful, the parsed EXIF header as an object will be included. + */ + parse: function() { + var parser = new qq.Promise(), + onParseFailure = function(message) { + log(qq.format("EXIF header parse failed: '{}' ", message)); + parser.failure(message); + }; + + getApp1Offset().then(function(app1Offset) { + log(qq.format("Moving forward with EXIF header parsing for '{}'", fileOrBlob.name === undefined ? "blob" : fileOrBlob.name)); + + isLittleEndian(app1Offset).then(function(littleEndian) { + + log(qq.format("EXIF Byte order is {} endian", littleEndian ? "little" : "big")); + + getDirEntryCount(app1Offset, littleEndian).then(function(dirEntryCount) { + + log(qq.format("Found {} APP1 directory entries", dirEntryCount)); + + getIfd(app1Offset, dirEntryCount).then(function(ifdHex) { + var dirEntries = getDirEntries(ifdHex), + tagValues = getTagValues(littleEndian, dirEntries); + + log("Successfully parsed some EXIF tags"); + + parser.success(tagValues); + }, onParseFailure); + }, onParseFailure); + }, onParseFailure); + }, onParseFailure); + + return parser; + } + }); + +}; + +/*globals qq */ +qq.Identify = function(fileOrBlob, log) { + "use strict"; + + function isIdentifiable(magicBytes, questionableBytes) { + var identifiable = false, + magicBytesEntries = [].concat(magicBytes); + + qq.each(magicBytesEntries, function(idx, magicBytesArrayEntry) { + if (questionableBytes.indexOf(magicBytesArrayEntry) === 0) { + identifiable = true; + return false; + } + }); + + return identifiable; + } + + qq.extend(this, { + /** + * Determines if a Blob can be displayed natively in the current browser. This is done by reading magic + * bytes in the beginning of the file, so this is an asynchronous operation. Before we attempt to read the + * file, we will examine the blob's type attribute to save CPU cycles. + * + * @returns {qq.Promise} Promise that is fulfilled when identification is complete. + * If successful, the MIME string is passed to the success handler. + */ + isPreviewable: function() { + var self = this, + identifier = new qq.Promise(), + previewable = false, + name = fileOrBlob.name === undefined ? "blob" : fileOrBlob.name; + + log(qq.format("Attempting to determine if {} can be rendered in this browser", name)); + + log("First pass: check type attribute of blob object."); + + if (this.isPreviewableSync()) { + log("Second pass: check for magic bytes in file header."); + + qq.readBlobToHex(fileOrBlob, 0, 4).then(function(hex) { + qq.each(self.PREVIEWABLE_MIME_TYPES, function(mime, bytes) { + if (isIdentifiable(bytes, hex)) { + // Safari is the only supported browser that can deal with TIFFs natively, + // so, if this is a TIFF and the UA isn't Safari, declare this file "non-previewable". + if (mime !== "image/tiff" || qq.supportedFeatures.tiffPreviews) { + previewable = true; + identifier.success(mime); + } + + return false; + } + }); + + log(qq.format("'{}' is {} able to be rendered in this browser", name, previewable ? "" : "NOT")); + + if (!previewable) { + identifier.failure(); + } + }, + function() { + log("Error reading file w/ name '" + name + "'. Not able to be rendered in this browser."); + identifier.failure(); + }); + } + else { + identifier.failure(); + } + + return identifier; + }, + + /** + * Determines if a Blob can be displayed natively in the current browser. This is done by checking the + * blob's type attribute. This is a synchronous operation, useful for situations where an asynchronous operation + * would be challenging to support. Note that the blob's type property is not as accurate as reading the + * file's magic bytes. + * + * @returns {Boolean} true if the blob can be rendered in the current browser + */ + isPreviewableSync: function() { + var fileMime = fileOrBlob.type, + // Assumption: This will only ever be executed in browsers that support `Object.keys`. + isRecognizedImage = qq.indexOf(Object.keys(this.PREVIEWABLE_MIME_TYPES), fileMime) >= 0, + previewable = false, + name = fileOrBlob.name === undefined ? "blob" : fileOrBlob.name; + + if (isRecognizedImage) { + if (fileMime === "image/tiff") { + previewable = qq.supportedFeatures.tiffPreviews; + } + else { + previewable = true; + } + } + + !previewable && log(name + " is not previewable in this browser per the blob's type attr"); + + return previewable; + } + }); +}; + +qq.Identify.prototype.PREVIEWABLE_MIME_TYPES = { + "image/jpeg": "ffd8ff", + "image/gif": "474946", + "image/png": "89504e", + "image/bmp": "424d", + "image/tiff": ["49492a00", "4d4d002a"] +}; + +/*globals qq*/ +/** + * Attempts to validate an image, wherever possible. + * + * @param blob File or Blob representing a user-selecting image. + * @param log Uses this to post log messages to the console. + * @constructor + */ +qq.ImageValidation = function(blob, log) { + "use strict"; + + /** + * @param limits Object with possible image-related limits to enforce. + * @returns {boolean} true if at least one of the limits has a non-zero value + */ + function hasNonZeroLimits(limits) { + var atLeastOne = false; + + qq.each(limits, function(limit, value) { + if (value > 0) { + atLeastOne = true; + return false; + } + }); + + return atLeastOne; + } + + /** + * @returns {qq.Promise} The promise is a failure if we can't obtain the width & height. + * Otherwise, `success` is called on the returned promise with an object containing + * `width` and `height` properties. + */ + function getWidthHeight() { + var sizeDetermination = new qq.Promise(); + + new qq.Identify(blob, log).isPreviewable().then(function() { + var image = new Image(), + url = window.URL && window.URL.createObjectURL ? window.URL : + window.webkitURL && window.webkitURL.createObjectURL ? window.webkitURL : + null; + + if (url) { + image.onerror = function() { + log("Cannot determine dimensions for image. May be too large.", "error"); + sizeDetermination.failure(); + }; + + image.onload = function() { + sizeDetermination.success({ + width: this.width, + height: this.height + }); + }; + + image.src = url.createObjectURL(blob); + } + else { + log("No createObjectURL function available to generate image URL!", "error"); + sizeDetermination.failure(); + } + }, sizeDetermination.failure); + + return sizeDetermination; + } + + /** + * + * @param limits Object with possible image-related limits to enforce. + * @param dimensions Object containing `width` & `height` properties for the image to test. + * @returns {String || undefined} The name of the failing limit. Undefined if no failing limits. + */ + function getFailingLimit(limits, dimensions) { + var failingLimit; + + qq.each(limits, function(limitName, limitValue) { + if (limitValue > 0) { + var limitMatcher = /(max|min)(Width|Height)/.exec(limitName), + dimensionPropName = limitMatcher[2].charAt(0).toLowerCase() + limitMatcher[2].slice(1), + actualValue = dimensions[dimensionPropName]; + + /*jshint -W015*/ + switch (limitMatcher[1]) { + case "min": + if (actualValue < limitValue) { + failingLimit = limitName; + return false; + } + break; + case "max": + if (actualValue > limitValue) { + failingLimit = limitName; + return false; + } + break; + } + } + }); + + return failingLimit; + } + + /** + * Validate the associated blob. + * + * @param limits + * @returns {qq.Promise} `success` is called on the promise is the image is valid or + * if the blob is not an image, or if the image is not verifiable. + * Otherwise, `failure` with the name of the failing limit. + */ + this.validate = function(limits) { + var validationEffort = new qq.Promise(); + + log("Attempting to validate image."); + + if (hasNonZeroLimits(limits)) { + getWidthHeight().then(function(dimensions) { + var failingLimit = getFailingLimit(limits, dimensions); + + if (failingLimit) { + validationEffort.failure(failingLimit); + } + else { + validationEffort.success(); + } + }, validationEffort.success); + } + else { + validationEffort.success(); + } + + return validationEffort; + }; +}; + +/* globals qq */ +/** + * Module used to control populating the initial list of files. + * + * @constructor + */ +qq.Session = function(spec) { + "use strict"; + + var options = { + endpoint: null, + params: {}, + customHeaders: {}, + cors: {}, + addFileRecord: function(sessionData) {}, + log: function(message, level) {} + }; + + qq.extend(options, spec, true); + + function isJsonResponseValid(response) { + if (qq.isArray(response)) { + return true; + } + + options.log("Session response is not an array.", "error"); + } + + function handleFileItems(fileItems, success, xhrOrXdr, promise) { + var someItemsIgnored = false; + + success = success && isJsonResponseValid(fileItems); + + if (success) { + qq.each(fileItems, function(idx, fileItem) { + /* jshint eqnull:true */ + if (fileItem.uuid == null) { + someItemsIgnored = true; + options.log(qq.format("Session response item {} did not include a valid UUID - ignoring.", idx), "error"); + } + else if (fileItem.name == null) { + someItemsIgnored = true; + options.log(qq.format("Session response item {} did not include a valid name - ignoring.", idx), "error"); + } + else { + try { + options.addFileRecord(fileItem); + return true; + } + catch (err) { + someItemsIgnored = true; + options.log(err.message, "error"); + } + } + + return false; + }); + } + + promise[success && !someItemsIgnored ? "success" : "failure"](fileItems, xhrOrXdr); + } + + // Initiate a call to the server that will be used to populate the initial file list. + // Returns a `qq.Promise`. + this.refresh = function() { + /*jshint indent:false */ + var refreshEffort = new qq.Promise(), + refreshCompleteCallback = function(response, success, xhrOrXdr) { + handleFileItems(response, success, xhrOrXdr, refreshEffort); + }, + requesterOptions = qq.extend({}, options), + requester = new qq.SessionAjaxRequester( + qq.extend(requesterOptions, {onComplete: refreshCompleteCallback}) + ); + + requester.queryServer(); + + return refreshEffort; + }; +}; + +/*globals qq, XMLHttpRequest*/ +/** + * Thin module used to send GET requests to the server, expecting information about session + * data used to initialize an uploader instance. + * + * @param spec Various options used to influence the associated request. + * @constructor + */ +qq.SessionAjaxRequester = function(spec) { + "use strict"; + + var requester, + options = { + endpoint: null, + customHeaders: {}, + params: {}, + cors: { + expected: false, + sendCredentials: false + }, + onComplete: function(response, success, xhrOrXdr) {}, + log: function(str, level) {} + }; + + qq.extend(options, spec); + + function onComplete(id, xhrOrXdr, isError) { + var response = null; + + /* jshint eqnull:true */ + if (xhrOrXdr.responseText != null) { + try { + response = qq.parseJson(xhrOrXdr.responseText); + } + catch (err) { + options.log("Problem parsing session response: " + err.message, "error"); + isError = true; + } + } + + options.onComplete(response, !isError, xhrOrXdr); + } + + requester = qq.extend(this, new qq.AjaxRequester({ + acceptHeader: "application/json", + validMethods: ["GET"], + method: "GET", + endpointStore: { + get: function() { + return options.endpoint; + } + }, + customHeaders: options.customHeaders, + log: options.log, + onComplete: onComplete, + cors: options.cors + })); + + qq.extend(this, { + queryServer: function() { + var params = qq.extend({}, options.params); + + options.log("Session query request."); + + requester.initTransport("sessionRefresh") + .withParams(params) + .withCacheBuster() + .send(); + } + }); +}; + +/* globals qq */ +/** + * Module that handles support for existing forms. + * + * @param options Options passed from the integrator-supplied options related to form support. + * @param startUpload Callback to invoke when files "stored" should be uploaded. + * @param log Proxy for the logger + * @constructor + */ +qq.FormSupport = function(options, startUpload, log) { + "use strict"; + var self = this, + interceptSubmit = options.interceptSubmit, + formEl = options.element, + autoUpload = options.autoUpload; + + // Available on the public API associated with this module. + qq.extend(this, { + // To be used by the caller to determine if the endpoint will be determined by some processing + // that occurs in this module, such as if the form has an action attribute. + // Ignore if `attachToForm === false`. + newEndpoint: null, + + // To be used by the caller to determine if auto uploading should be allowed. + // Ignore if `attachToForm === false`. + newAutoUpload: autoUpload, + + // true if a form was detected and is being tracked by this module + attachedToForm: false, + + // Returns an object with names and values for all valid form elements associated with the attached form. + getFormInputsAsObject: function() { + /* jshint eqnull:true */ + if (formEl == null) { + return null; + } + + return self._form2Obj(formEl); + } + }); + + // If the form contains an action attribute, this should be the new upload endpoint. + function determineNewEndpoint(formEl) { + if (formEl.getAttribute("action")) { + self.newEndpoint = formEl.getAttribute("action"); + } + } + + // Return true only if the form is valid, or if we cannot make this determination. + // If the form is invalid, ensure invalid field(s) are highlighted in the UI. + function validateForm(formEl, nativeSubmit) { + if (formEl.checkValidity && !formEl.checkValidity()) { + log("Form did not pass validation checks - will not upload.", "error"); + nativeSubmit(); + } + else { + return true; + } + } + + // Intercept form submit attempts, unless the integrator has told us not to do this. + function maybeUploadOnSubmit(formEl) { + var nativeSubmit = formEl.submit; + + // Intercept and squelch submit events. + qq(formEl).attach("submit", function(event) { + event = event || window.event; + + if (event.preventDefault) { + event.preventDefault(); + } + else { + event.returnValue = false; + } + + validateForm(formEl, nativeSubmit) && startUpload(); + }); + + // The form's `submit()` function may be called instead (i.e. via jQuery.submit()). + // Intercept that too. + formEl.submit = function() { + validateForm(formEl, nativeSubmit) && startUpload(); + }; + } + + // If the element value passed from the uploader is a string, assume it is an element ID - select it. + // The rest of the code in this module depends on this being an HTMLElement. + function determineFormEl(formEl) { + if (formEl) { + if (qq.isString(formEl)) { + formEl = document.getElementById(formEl); + } + + if (formEl) { + log("Attaching to form element."); + determineNewEndpoint(formEl); + interceptSubmit && maybeUploadOnSubmit(formEl); + } + } + + return formEl; + } + + formEl = determineFormEl(formEl); + this.attachedToForm = !!formEl; +}; + +qq.extend(qq.FormSupport.prototype, { + // Converts all relevant form fields to key/value pairs. This is meant to mimic the data a browser will + // construct from a given form when the form is submitted. + _form2Obj: function(form) { + "use strict"; + var obj = {}, + notIrrelevantType = function(type) { + var irrelevantTypes = [ + "button", + "image", + "reset", + "submit" + ]; + + return qq.indexOf(irrelevantTypes, type.toLowerCase()) < 0; + }, + radioOrCheckbox = function(type) { + return qq.indexOf(["checkbox", "radio"], type.toLowerCase()) >= 0; + }, + ignoreValue = function(el) { + if (radioOrCheckbox(el.type) && !el.checked) { + return true; + } + + return el.disabled && el.type.toLowerCase() !== "hidden"; + }, + selectValue = function(select) { + var value = null; + + qq.each(qq(select).children(), function(idx, child) { + if (child.tagName.toLowerCase() === "option" && child.selected) { + value = child.value; + return false; + } + }); + + return value; + }; + + qq.each(form.elements, function(idx, el) { + if ((qq.isInput(el, true) || el.tagName.toLowerCase() === "textarea") && + notIrrelevantType(el.type) && + !ignoreValue(el)) { + + obj[el.name] = el.value; + } + else if (el.tagName.toLowerCase() === "select" && !ignoreValue(el)) { + var value = selectValue(el); + + if (value !== null) { + obj[el.name] = value; + } + } + }); + + return obj; + } +}); + +/* globals qq, ExifRestorer */ +/** + * Controls generation of scaled images based on a reference image encapsulated in a `File` or `Blob`. + * Scaled images are generated and converted to blobs on-demand. + * Multiple scaled images per reference image with varying sizes and other properties are supported. + * + * @param spec Information about the scaled images to generate. + * @param log Logger instance + * @constructor + */ +qq.Scaler = function(spec, log) { + "use strict"; + + 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); + + // Revealed API for instances of this module + qq.extend(this, { + // If no targeted sizes have been declared or if this browser doesn't support + // client-side image preview generation, there is no scaling to do. + enabled: qq.supportedFeatures.scaling && sizes.length > 0, + + getFileRecords: function(originalFileUuid, originalFileName, originalBlobOrBlobData) { + var self = this, + records = [], + originalBlob = originalBlobOrBlobData.blob ? originalBlobOrBlobData.blob : originalBlobOrBlobData, + identifier = new qq.Identify(originalBlob, log); + + // If the reference file cannot be rendered natively, we can't create scaled versions. + if (identifier.isPreviewableSync()) { + // Create records for each scaled version & add them to the records array, smallest first. + qq.each(sizes, function(idx, sizeRecord) { + var outputType = self._determineOutputType({ + defaultType: defaultType, + requestedType: sizeRecord.type, + refType: originalBlob.type + }); + + records.push({ + uuid: qq.getUniqueId(), + name: self._getName(originalFileName, { + name: sizeRecord.name, + type: outputType, + refType: originalBlob.type + }), + blob: new qq.BlobProxy(originalBlob, + qq.bind(self._generateScaledImage, self, { + customResizeFunction: customResizeFunction, + maxSize: sizeRecord.maxSize, + orient: orient, + type: outputType, + quality: defaultQuality, + failedText: failedToScaleText, + includeExif: includeExif, + log: log + })) + }); + }); + + records.push({ + uuid: originalFileUuid, + name: originalFileName, + size: originalBlob.size, + blob: includeOriginal ? originalBlob : null + }); + } + else { + records.push({ + uuid: originalFileUuid, + name: originalFileName, + size: originalBlob.size, + blob: originalBlob + }); + } + + return records; + }, + + handleNewFile: function(file, name, uuid, size, fileList, batchId, uuidParamName, api) { + 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(); + + qq.each(self.getFileRecords(uuid, name, file), function(idx, record) { + var blobSize = record.size, + id; + + if (record.blob instanceof qq.BlobProxy) { + blobSize = -1; + } + + id = uploadData.addFile({ + uuid: record.uuid, + name: record.name, + size: blobSize, + batchId: batchId, + proxyGroupId: proxyGroupId + }); + + if (record.blob instanceof qq.BlobProxy) { + scaledIds.push(id); + } + else { + originalId = id; + } + + if (record.blob) { + addFileToHandler(id, record.blob); + fileList.push({id: id, file: record.blob}); + } + else { + uploadData.setStatus(id, qq.status.REJECTED); + } + }); + + // If we are potentially uploading an original file and some scaled versions, + // ensure the scaled versions include reference's to the parent's UUID and size + // in their associated upload requests. + if (originalId !== null) { + qq.each(scaledIds, function(idx, scaledId) { + var params = { + qqparentuuid: uploadData.retrieve({id: originalId}).uuid, + qqparentsize: uploadData.retrieve({id: originalId}).size + }; + + // Make sure the UUID for each scaled image is sent with the upload request, + // to be consistent (since we may need to ensure it is sent for the original file as well). + params[uuidParamName] = uploadData.retrieve({id: scaledId}).uuid; + + uploadData.setParentId(scaledId, originalId); + paramsStore.addReadOnly(scaledId, params); + }); + + // If any scaled images are tied to this parent image, be SURE we send its UUID as an upload request + // parameter as well. + if (scaledIds.length) { + (function() { + var param = {}; + param[uuidParamName] = uploadData.retrieve({id: originalId}).uuid; + paramsStore.addReadOnly(originalId, param); + }()); + } + } + } + }); +}; + +qq.extend(qq.Scaler.prototype, { + scaleImage: function(id, specs, api) { + "use strict"; + + if (!qq.supportedFeatures.scaling) { + throw new qq.Error("Scaling is not supported in this browser!"); + } + + var scalingEffort = new qq.Promise(), + log = api.log, + file = api.getFile(id), + uploadData = api.uploadData.retrieve({id: id}), + name = uploadData && uploadData.name, + uuid = uploadData && uploadData.uuid, + scalingOptions = { + customResizer: specs.customResizer, + sendOriginal: false, + orient: specs.orient, + defaultType: specs.type || null, + defaultQuality: specs.quality, + failedToScaleText: "Unable to scale", + sizes: [{name: "", maxSize: specs.maxSize}] + }, + scaler = new qq.Scaler(scalingOptions, log); + + if (!qq.Scaler || !qq.supportedFeatures.imagePreviews || !file) { + scalingEffort.failure(); + + 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"); + } + else { + (qq.bind(function() { + // Assumption: There will never be more than one record + var record = scaler.getFileRecords(uuid, name, file)[0]; + + if (record && record.blob instanceof qq.BlobProxy) { + record.blob.create().then(scalingEffort.success, scalingEffort.failure); + } + else { + log(id + " is not a scalable image!", "error"); + scalingEffort.failure(); + } + }, this)()); + } + + return scalingEffort; + }, + + // NOTE: We cannot reliably determine at this time if the UA supports a specific MIME type for the target format. + // image/jpeg and image/png are the only safe choices at this time. + _determineOutputType: function(spec) { + "use strict"; + + var requestedType = spec.requestedType, + defaultType = spec.defaultType, + referenceType = spec.refType; + + // If a default type and requested type have not been specified, this should be a + // JPEG if the original type is a JPEG, otherwise, a PNG. + if (!defaultType && !requestedType) { + if (referenceType !== "image/jpeg") { + return "image/png"; + } + return referenceType; + } + + // A specified default type is used when a requested type is not specified. + if (!requestedType) { + return defaultType; + } + + // If requested type is specified, use it, as long as this recognized type is supported by the current UA + if (qq.indexOf(Object.keys(qq.Identify.prototype.PREVIEWABLE_MIME_TYPES), requestedType) >= 0) { + if (requestedType === "image/tiff") { + return qq.supportedFeatures.tiffPreviews ? requestedType : defaultType; + } + + return requestedType; + } + + return defaultType; + }, + + // Get a file name for a generated scaled file record, based on the provided scaled image description + _getName: function(originalName, scaledVersionProperties) { + "use strict"; + + var startOfExt = originalName.lastIndexOf("."), + versionType = scaledVersionProperties.type || "image/png", + referenceType = scaledVersionProperties.refType, + scaledName = "", + scaledExt = qq.getExtension(originalName), + nameAppendage = ""; + + if (scaledVersionProperties.name && scaledVersionProperties.name.trim().length) { + nameAppendage = " (" + scaledVersionProperties.name + ")"; + } + + if (startOfExt >= 0) { + scaledName = originalName.substr(0, startOfExt); + + if (referenceType !== versionType) { + scaledExt = versionType.split("/")[1]; + } + + scaledName += nameAppendage + "." + scaledExt; + } + else { + scaledName = originalName + nameAppendage; + } + + return scaledName; + }, + + // We want the smallest scaled file to be uploaded first + _getSortedSizes: function(sizes) { + "use strict"; + + sizes = qq.extend([], sizes); + + return sizes.sort(function(a, b) { + if (a.maxSize > b.maxSize) { + return 1; + } + if (a.maxSize < b.maxSize) { + return -1; + } + return 0; + }); + }, + + _generateScaledImage: function(spec, sourceFile) { + "use strict"; + + 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"); + + log("Attempting to generate scaled version for " + sourceFile.name); + + imageGenerator.generate(sourceFile, canvas, {maxSize: maxSize, orient: orient, customResizeFunction: customResizeFunction}).then(function() { + var scaledImageDataUri = canvas.toDataURL(type, quality), + signalSuccess = function() { + log("Success generating scaled version for " + sourceFile.name); + var blob = qq.dataUriToBlob(scaledImageDataUri); + scalingEffort.success(blob); + }; + + if (includeExif) { + self._insertExifHeader(sourceFile, scaledImageDataUri, log).then(function(scaledImageDataUriWithExif) { + scaledImageDataUri = scaledImageDataUriWithExif; + signalSuccess(); + }, + function() { + log("Problem inserting EXIF header into scaled image. Using scaled image w/out EXIF data.", "error"); + signalSuccess(); + }); + } + else { + signalSuccess(); + } + }, function() { + log("Failed attempt to generate scaled version for " + sourceFile.name, "error"); + scalingEffort.failure(failedText); + }); + + return scalingEffort; + }, + + // Attempt to insert the original image's EXIF header into a scaled version. + _insertExifHeader: function(originalImage, scaledImageDataUri, log) { + "use strict"; + + var reader = new FileReader(), + insertionEffort = new qq.Promise(), + originalImageDataUri = ""; + + reader.onload = function() { + originalImageDataUri = reader.result; + insertionEffort.success(qq.ExifRestorer.restore(originalImageDataUri, scaledImageDataUri)); + }; + + reader.onerror = function() { + log("Problem reading " + originalImage.name + " during attempt to transfer EXIF data to scaled version.", "error"); + insertionEffort.failure(); + }; + + reader.readAsDataURL(originalImage); + + return insertionEffort; + }, + + _dataUriToBlob: function(dataUri) { + "use strict"; + + var byteString, mimeString, arrayBuffer, intArray; + + // convert base64 to raw binary data held in a string + if (dataUri.split(",")[0].indexOf("base64") >= 0) { + byteString = atob(dataUri.split(",")[1]); + } + else { + byteString = decodeURI(dataUri.split(",")[1]); + } + + // extract the MIME + mimeString = dataUri.split(",")[0] + .split(":")[1] + .split(";")[0]; + + // write the bytes of the binary string to an ArrayBuffer + arrayBuffer = new ArrayBuffer(byteString.length); + intArray = new Uint8Array(arrayBuffer); + qq.each(byteString, function(idx, character) { + intArray[idx] = character.charCodeAt(0); + }); + + return this._createBlob(arrayBuffer, mimeString); + }, + + _createBlob: function(data, mime) { + "use strict"; + + var BlobBuilder = window.BlobBuilder || + window.WebKitBlobBuilder || + window.MozBlobBuilder || + window.MSBlobBuilder, + blobBuilder = BlobBuilder && new BlobBuilder(); + + if (blobBuilder) { + blobBuilder.append(data); + return blobBuilder.getBlob(mime); + } + else { + return new Blob([data], {type: mime}); + } + } +}); + +//Based on MinifyJpeg +//http://elicon.blog57.fc2.com/blog-entry-206.html + +qq.ExifRestorer = (function() +{ + + var ExifRestorer = {}; + + ExifRestorer.KEY_STR = "ABCDEFGHIJKLMNOP" + + "QRSTUVWXYZabcdef" + + "ghijklmnopqrstuv" + + "wxyz0123456789+/" + + "="; + + ExifRestorer.encode64 = function(input) + { + var output = "", + chr1, chr2, chr3 = "", + enc1, enc2, enc3, enc4 = "", + i = 0; + + do { + chr1 = input[i++]; + chr2 = input[i++]; + chr3 = input[i++]; + + enc1 = chr1 >> 2; + enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); + enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); + enc4 = chr3 & 63; + + if (isNaN(chr2)) { + enc3 = enc4 = 64; + } else if (isNaN(chr3)) { + enc4 = 64; + } + + output = output + + this.KEY_STR.charAt(enc1) + + this.KEY_STR.charAt(enc2) + + this.KEY_STR.charAt(enc3) + + this.KEY_STR.charAt(enc4); + chr1 = chr2 = chr3 = ""; + enc1 = enc2 = enc3 = enc4 = ""; + } while (i < input.length); + + return output; + }; + + ExifRestorer.restore = function(origFileBase64, resizedFileBase64) + { + var expectedBase64Header = "data:image/jpeg;base64,"; + + if (!origFileBase64.match(expectedBase64Header)) + { + return resizedFileBase64; + } + + var rawImage = this.decode64(origFileBase64.replace(expectedBase64Header, "")); + var segments = this.slice2Segments(rawImage); + + var image = this.exifManipulation(resizedFileBase64, segments); + + return expectedBase64Header + this.encode64(image); + + }; + + + ExifRestorer.exifManipulation = function(resizedFileBase64, segments) + { + var exifArray = this.getExifArray(segments), + newImageArray = this.insertExif(resizedFileBase64, exifArray), + aBuffer = new Uint8Array(newImageArray); + + return aBuffer; + }; + + + ExifRestorer.getExifArray = function(segments) + { + var seg; + for (var x = 0; x < segments.length; x++) + { + seg = segments[x]; + if (seg[0] == 255 & seg[1] == 225) //(ff e1) + { + return seg; + } + } + return []; + }; + + + ExifRestorer.insertExif = function(resizedFileBase64, exifArray) + { + 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; + + array = array.concat(exifArray); + array = array.concat(ato); + return array; + }; + + + + ExifRestorer.slice2Segments = function(rawImageArray) + { + var head = 0, + segments = []; + + while (1) + { + if (rawImageArray[head] == 255 & rawImageArray[head + 1] == 218){break;} + if (rawImageArray[head] == 255 & rawImageArray[head + 1] == 216) + { + head += 2; + } + else + { + var length = rawImageArray[head + 2] * 256 + rawImageArray[head + 3], + endPoint = head + length + 2, + seg = rawImageArray.slice(head, endPoint); + segments.push(seg); + head = endPoint; + } + if (head > rawImageArray.length){break;} + } + + return segments; + }; + + + + ExifRestorer.decode64 = function(input) + { + var output = "", + chr1, chr2, chr3 = "", + enc1, enc2, enc3, enc4 = "", + i = 0, + buf = []; + + // remove all characters that are not A-Z, a-z, 0-9, +, /, or = + var base64test = /[^A-Za-z0-9\+\/\=]/g; + if (base64test.exec(input)) { + throw new Error("There were invalid base64 characters in the input text. " + + "Valid base64 characters are A-Z, a-z, 0-9, '+', '/',and '='"); + } + input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); + + do { + enc1 = this.KEY_STR.indexOf(input.charAt(i++)); + enc2 = this.KEY_STR.indexOf(input.charAt(i++)); + enc3 = this.KEY_STR.indexOf(input.charAt(i++)); + enc4 = this.KEY_STR.indexOf(input.charAt(i++)); + + chr1 = (enc1 << 2) | (enc2 >> 4); + chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); + chr3 = ((enc3 & 3) << 6) | enc4; + + buf.push(chr1); + + if (enc3 != 64) { + buf.push(chr2); + } + if (enc4 != 64) { + buf.push(chr3); + } + + chr1 = chr2 = chr3 = ""; + enc1 = enc2 = enc3 = enc4 = ""; + + } while (i < input.length); + + return buf; + }; + + + return ExifRestorer; +})(); + +/* globals qq */ +/** + * Keeps a running tally of total upload progress for a batch of files. + * + * @param callback Invoked when total progress changes, passing calculated total loaded & total size values. + * @param getSize Function that returns the size of a file given its ID + * @constructor + */ +qq.TotalProgress = function(callback, getSize) { + "use strict"; + + var perFileProgress = {}, + totalLoaded = 0, + totalSize = 0, + + lastLoadedSent = -1, + lastTotalSent = -1, + callbackProxy = function(loaded, total) { + if (loaded !== lastLoadedSent || total !== lastTotalSent) { + callback(loaded, total); + } + + lastLoadedSent = loaded; + lastTotalSent = total; + }, + + /** + * @param failed Array of file IDs that have failed + * @param retryable Array of file IDs that are retryable + * @returns true if none of the failed files are eligible for retry + */ + noRetryableFiles = function(failed, retryable) { + var none = true; + + qq.each(failed, function(idx, failedId) { + if (qq.indexOf(retryable, failedId) >= 0) { + none = false; + return false; + } + }); + + return none; + }, + + onCancel = function(id) { + updateTotalProgress(id, -1, -1); + delete perFileProgress[id]; + }, + + onAllComplete = function(successful, failed, retryable) { + if (failed.length === 0 || noRetryableFiles(failed, retryable)) { + callbackProxy(totalSize, totalSize); + this.reset(); + } + }, + + onNew = function(id) { + var size = getSize(id); + + // We might not know the size yet, such as for blob proxies + if (size > 0) { + updateTotalProgress(id, 0, size); + perFileProgress[id] = {loaded: 0, total: size}; + } + }, + + /** + * Invokes the callback with the current total progress of all files in the batch. Called whenever it may + * be appropriate to re-calculate and disseminate this data. + * + * @param id ID of a file that has changed in some important way + * @param newLoaded New loaded value for this file. -1 if this value should no longer be part of calculations + * @param newTotal New total size of the file. -1 if this value should no longer be part of calculations + */ + updateTotalProgress = function(id, newLoaded, newTotal) { + var oldLoaded = perFileProgress[id] ? perFileProgress[id].loaded : 0, + oldTotal = perFileProgress[id] ? perFileProgress[id].total : 0; + + if (newLoaded === -1 && newTotal === -1) { + totalLoaded -= oldLoaded; + totalSize -= oldTotal; + } + else { + if (newLoaded) { + totalLoaded += newLoaded - oldLoaded; + } + if (newTotal) { + totalSize += newTotal - oldTotal; + } + } + + callbackProxy(totalLoaded, totalSize); + }; + + qq.extend(this, { + // Called when a batch of files has completed uploading. + onAllComplete: onAllComplete, + + // Called when the status of a file has changed. + onStatusChange: function(id, oldStatus, newStatus) { + if (newStatus === qq.status.CANCELED || newStatus === qq.status.REJECTED) { + onCancel(id); + } + else if (newStatus === qq.status.SUBMITTING) { + onNew(id); + } + }, + + // Called whenever the upload progress of an individual file has changed. + onIndividualProgress: function(id, loaded, total) { + updateTotalProgress(id, loaded, total); + perFileProgress[id] = {loaded: loaded, total: total}; + }, + + // Called whenever the total size of a file has changed, such as when the size of a generated blob is known. + onNewSize: function(id) { + onNew(id); + }, + + reset: function() { + perFileProgress = {}; + totalLoaded = 0; + totalSize = 0; + } + }); +}; + +/*globals qq */ +// Base handler for UI (FineUploader mode) events. +// Some more specific handlers inherit from this one. +qq.UiEventHandler = function(s, protectedApi) { + "use strict"; + + var disposer = new qq.DisposeSupport(), + spec = { + eventType: "click", + attachTo: null, + onHandled: function(target, event) {} + }; + + // This makes up the "public" API methods that will be accessible + // to instances constructing a base or child handler + qq.extend(this, { + addHandler: function(element) { + addHandler(element); + }, + + dispose: function() { + disposer.dispose(); + } + }); + + function addHandler(element) { + disposer.attach(element, spec.eventType, function(event) { + // Only in IE: the `event` is a property of the `window`. + event = event || window.event; + + // On older browsers, we must check the `srcElement` instead of the `target`. + var target = event.target || event.srcElement; + + spec.onHandled(target, event); + }); + } + + // These make up the "protected" API methods that children of this base handler will utilize. + qq.extend(protectedApi, { + getFileIdFromItem: function(item) { + return item.qqFileId; + }, + + getDisposeSupport: function() { + return disposer; + } + }); + + qq.extend(spec, s); + + if (spec.attachTo) { + addHandler(spec.attachTo); + } +}; + +/* global qq */ +qq.FileButtonsClickHandler = function(s) { + "use strict"; + + var inheritedInternalApi = {}, + spec = { + templating: null, + log: function(message, lvl) {}, + onDeleteFile: function(fileId) {}, + onCancel: function(fileId) {}, + onRetry: function(fileId) {}, + onPause: function(fileId) {}, + onContinue: function(fileId) {}, + onGetName: function(fileId) {} + }, + buttonHandlers = { + cancel: function(id) { spec.onCancel(id); }, + retry: function(id) { spec.onRetry(id); }, + deleteButton: function(id) { spec.onDeleteFile(id); }, + pause: function(id) { spec.onPause(id); }, + continueButton: function(id) { spec.onContinue(id); } + }; + + function examineEvent(target, event) { + qq.each(buttonHandlers, function(buttonType, handler) { + var firstLetterCapButtonType = buttonType.charAt(0).toUpperCase() + buttonType.slice(1), + fileId; + + if (spec.templating["is" + firstLetterCapButtonType](target)) { + fileId = spec.templating.getFileId(target); + qq.preventDefault(event); + spec.log(qq.format("Detected valid file button click event on file '{}', ID: {}.", spec.onGetName(fileId), fileId)); + handler(fileId); + return false; + } + }); + } + + qq.extend(spec, s); + + spec.eventType = "click"; + spec.onHandled = examineEvent; + spec.attachTo = spec.templating.getFileList(); + + qq.extend(this, new qq.UiEventHandler(spec, inheritedInternalApi)); +}; + +/*globals qq */ +// Child of FilenameEditHandler. Used to detect click events on filename display elements. +qq.FilenameClickHandler = function(s) { + "use strict"; + + var inheritedInternalApi = {}, + spec = { + templating: null, + log: function(message, lvl) {}, + classes: { + file: "qq-upload-file", + editNameIcon: "qq-edit-filename-icon" + }, + onGetUploadStatus: function(fileId) {}, + onGetName: function(fileId) {} + }; + + qq.extend(spec, s); + + // This will be called by the parent handler when a `click` event is received on the list element. + function examineEvent(target, event) { + if (spec.templating.isFileName(target) || spec.templating.isEditIcon(target)) { + var fileId = spec.templating.getFileId(target), + status = spec.onGetUploadStatus(fileId); + + // We only allow users to change filenames of files that have been submitted but not yet uploaded. + if (status === qq.status.SUBMITTED) { + spec.log(qq.format("Detected valid filename click event on file '{}', ID: {}.", spec.onGetName(fileId), fileId)); + qq.preventDefault(event); + + inheritedInternalApi.handleFilenameEdit(fileId, target, true); + } + } + } + + spec.eventType = "click"; + spec.onHandled = examineEvent; + + qq.extend(this, new qq.FilenameEditHandler(spec, inheritedInternalApi)); +}; + +/*globals qq */ +// Child of FilenameEditHandler. Used to detect focusin events on file edit input elements. +qq.FilenameInputFocusInHandler = function(s, inheritedInternalApi) { + "use strict"; + + var spec = { + templating: null, + onGetUploadStatus: function(fileId) {}, + log: function(message, lvl) {} + }; + + if (!inheritedInternalApi) { + inheritedInternalApi = {}; + } + + // This will be called by the parent handler when a `focusin` event is received on the list element. + function handleInputFocus(target, event) { + if (spec.templating.isEditInput(target)) { + var fileId = spec.templating.getFileId(target), + status = spec.onGetUploadStatus(fileId); + + if (status === qq.status.SUBMITTED) { + spec.log(qq.format("Detected valid filename input focus event on file '{}', ID: {}.", spec.onGetName(fileId), fileId)); + inheritedInternalApi.handleFilenameEdit(fileId, target); + } + } + } + + spec.eventType = "focusin"; + spec.onHandled = handleInputFocus; + + qq.extend(spec, s); + qq.extend(this, new qq.FilenameEditHandler(spec, inheritedInternalApi)); +}; + +/*globals qq */ +/** + * Child of FilenameInputFocusInHandler. Used to detect focus events on file edit input elements. This child module is only + * needed for UAs that do not support the focusin event. Currently, only Firefox lacks this event. + * + * @param spec Overrides for default specifications + */ +qq.FilenameInputFocusHandler = function(spec) { + "use strict"; + + spec.eventType = "focus"; + spec.attachTo = null; + + qq.extend(this, new qq.FilenameInputFocusInHandler(spec, {})); +}; + +/*globals qq */ +// Handles edit-related events on a file item (FineUploader mode). This is meant to be a parent handler. +// Children will delegate to this handler when specific edit-related actions are detected. +qq.FilenameEditHandler = function(s, inheritedInternalApi) { + "use strict"; + + var spec = { + templating: null, + log: function(message, lvl) {}, + onGetUploadStatus: function(fileId) {}, + onGetName: function(fileId) {}, + onSetName: function(fileId, newName) {}, + onEditingStatusChange: function(fileId, isEditing) {} + }; + + function getFilenameSansExtension(fileId) { + var filenameSansExt = spec.onGetName(fileId), + extIdx = filenameSansExt.lastIndexOf("."); + + if (extIdx > 0) { + filenameSansExt = filenameSansExt.substr(0, extIdx); + } + + return filenameSansExt; + } + + function getOriginalExtension(fileId) { + var origName = spec.onGetName(fileId); + return qq.getExtension(origName); + } + + // Callback iff the name has been changed + function handleNameUpdate(newFilenameInputEl, fileId) { + var newName = newFilenameInputEl.value, + origExtension; + + if (newName !== undefined && qq.trimStr(newName).length > 0) { + origExtension = getOriginalExtension(fileId); + + if (origExtension !== undefined) { + newName = newName + "." + origExtension; + } + + spec.onSetName(fileId, newName); + } + + spec.onEditingStatusChange(fileId, false); + } + + // The name has been updated if the filename edit input loses focus. + function registerInputBlurHandler(inputEl, fileId) { + inheritedInternalApi.getDisposeSupport().attach(inputEl, "blur", function() { + handleNameUpdate(inputEl, fileId); + }); + } + + // The name has been updated if the user presses enter. + function registerInputEnterKeyHandler(inputEl, fileId) { + inheritedInternalApi.getDisposeSupport().attach(inputEl, "keyup", function(event) { + + var code = event.keyCode || event.which; + + if (code === 13) { + handleNameUpdate(inputEl, fileId); + } + }); + } + + qq.extend(spec, s); + + spec.attachTo = spec.templating.getFileList(); + + qq.extend(this, new qq.UiEventHandler(spec, inheritedInternalApi)); + + qq.extend(inheritedInternalApi, { + handleFilenameEdit: function(id, target, focusInput) { + var newFilenameInputEl = spec.templating.getEditInput(id); + + spec.onEditingStatusChange(id, true); + + newFilenameInputEl.value = getFilenameSansExtension(id); + + if (focusInput) { + newFilenameInputEl.focus(); + } + + registerInputBlurHandler(newFilenameInputEl, id); + registerInputEnterKeyHandler(newFilenameInputEl, id); + } + }); +}; +if (typeof define === 'function' && define.amd) { + define(function() { + return qq; + }); +} +else if (typeof module !== 'undefined' && module.exports) { + module.exports = qq; +} +else { + global.qq = qq; +} +}(window)); + +/*! 2016-06-16 */ |