--- /dev/null
+/*!
+* Fine Uploader
+*
+* Copyright 2013, Widen Enterprises, Inc. info@fineuploader.com
+*
+* Version: 4.2.1
+*
+* Homepage: http://fineuploader.com
+*
+* Repository: git://github.com/Widen/fine-uploader.git
+*
+* Licensed under GNU GPL v3, see LICENSE
+*/
+
+
+/*globals window, navigator, document, FormData, File, HTMLInputElement, XMLHttpRequest, Blob, Storage, ActiveXObject */
+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) {
+ var re = new RegExp("(^| )" + name + "( |$)");
+ return re.test(element.className);
+ },
+
+ addClass: function(name) {
+ if (!qq(element).hasClass(name)){
+ element.className += " " + name;
+ }
+ return this;
+ },
+
+ removeClass: function(name) {
+ var re = new RegExp("(^| )" + name + "( |$)");
+ element.className = element.className.replace(re, " ").replace(/^\s+|\s+$/g, "");
+ return this;
+ },
+
+ getByClass: function(className) {
+ var candidates,
+ result = [];
+
+ if (element.querySelectorAll){
+ return element.querySelectorAll("." + className);
+ }
+
+ candidates = element.getElementsByTagName("*");
+
+ qq.each(candidates, function(idx, val) {
+ if (qq(val).hasClass(className)){
+ result.push(val);
+ }
+ });
+ return result;
+ },
+
+ children: function() {
+ var children = [],
+ child = element.firstChild;
+
+ while (child){
+ if (child.nodeType === 1){
+ children.push(child);
+ }
+ child = child.nextSibling;
+ }
+
+ return children;
+ },
+
+ setText: function(text) {
+ element.innerText = text;
+ element.textContent = text;
+ return this;
+ },
+
+ clearText: function() {
+ return qq(element).setText("");
+ },
+
+ // Returns true if the attribute exists on the element
+ // AND the value of the attribute is NOT "false" (case-insensitive)
+ hasAttribute: function(attrName) {
+ var attrVal;
+
+ if (element.hasAttribute) {
+
+ if (!element.hasAttribute(attrName)) {
+ return false;
+ }
+
+ /*jshint -W116*/
+ return (/^false$/i).exec(element.getAttribute(attrName)) == null;
+ }
+ else {
+ attrVal = element[attrName];
+
+ if (attrVal === undefined) {
+ return false;
+ }
+
+ /*jshint -W116*/
+ return (/^false$/i).exec(attrVal) == null;
+ }
+ }
+ };
+};
+
+(function(){
+ "use strict";
+
+ qq.log = function(message, level) {
+ if (window.console) {
+ if (!level || level === "info") {
+ window.console.log(message);
+ }
+ else
+ {
+ if (window.console[level]) {
+ window.console[level](message);
+ }
+ else {
+ window.console.log("<" + level + "> " + message);
+ }
+ }
+ }
+ };
+
+ qq.isObject = function(variable) {
+ return variable && !variable.nodeType && Object.prototype.toString.call(variable) === "[object Object]";
+ };
+
+ qq.isFunction = function(variable) {
+ return typeof(variable) === "function";
+ };
+
+ /**
+ * Check the type of a value. Is it an "array"?
+ *
+ * @param value value to test.
+ * @returns true if the value is an array or associated with an `ArrayBuffer`
+ */
+ qq.isArray = function(value) {
+ return Object.prototype.toString.call(value) === "[object Array]" ||
+ (value && window.ArrayBuffer && value.buffer && value.buffer.constructor === ArrayBuffer);
+ };
+
+ // Looks for an object on a `DataTransfer` object that is associated with drop events when utilizing the Filesystem API.
+ qq.isItemList = function(maybeItemList) {
+ return Object.prototype.toString.call(maybeItemList) === "[object DataTransferItemList]";
+ };
+
+ // Looks for an object on a `NodeList` or an `HTMLCollection`|`HTMLFormElement`|`HTMLSelectElement`
+ // object that is associated with collections of Nodes.
+ qq.isNodeList = function(maybeNodeList) {
+ return Object.prototype.toString.call(maybeNodeList) === "[object NodeList]" ||
+ // If `HTMLCollection` is the actual type of the object, we must determine this
+ // by checking for expected properties/methods on the object
+ (maybeNodeList.item && maybeNodeList.namedItem);
+ };
+
+ qq.isString = function(maybeString) {
+ return Object.prototype.toString.call(maybeString) === "[object String]";
+ };
+
+ qq.trimStr = function(string) {
+ if (String.prototype.trim) {
+ return string.trim();
+ }
+
+ return string.replace(/^\s+|\s+$/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) {
+ if (window.HTMLInputElement) {
+ if (Object.prototype.toString.call(maybeInput) === "[object HTMLInputElement]") {
+ if (maybeInput.type && maybeInput.type.toLowerCase() === "file") {
+ return true;
+ }
+ }
+ }
+ if (maybeInput.tagName) {
+ if (maybeInput.tagName.toLowerCase() === "input") {
+ if (maybeInput.type && maybeInput.type.toLowerCase() === "file") {
+ return true;
+ }
+ }
+ }
+
+ return false;
+ };
+
+ qq.isBlob = function(maybeBlob) {
+ return window.Blob && Object.prototype.toString.call(maybeBlob) === "[object Blob]";
+ };
+
+ 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[0].webkitGetAsEntry);
+ };
+
+ qq.isFileChunkingSupported = function() {
+ return !qq.android() && //android's impl of Blob.slice is broken
+ 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, byte) {
+ var byteAsHexStr = byte.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.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 in the array, returns -1 if it is not present.
+ * @param {Number} [from] The index at which to begin the search
+ */
+ 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;
+ };
+ qq.ie7 = function(){
+ return navigator.userAgent.indexOf("MSIE 7") !== -1;
+ };
+ qq.ie10 = function(){
+ return navigator.userAgent.indexOf("MSIE 10") !== -1;
+ };
+ qq.ie11 = function(){
+ return (navigator.userAgent.indexOf("Trident") !== -1 &&
+ navigator.userAgent.indexOf("rv:11") !== -1);
+ };
+ 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.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;
+ };
+ qq.ios7 = function() {
+ return qq.ios() && navigator.userAgent.indexOf(" OS 7_") !== -1;
+ };
+ qq.ios = function() {
+ /*jshint -W014 */
+ return navigator.userAgent.indexOf("iPad") !== -1
+ || navigator.userAgent.indexOf("iPod") !== -1
+ || navigator.userAgent.indexOf("iPhone") !== -1;
+ };
+
+ //
+ // 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;
+ };
+
+ qq.setCookie = function(name, value, days) {
+ var date = new Date(),
+ expires = "";
+
+ if (days) {
+ date.setTime(date.getTime()+(days*24*60*60*1000));
+ expires = "; expires="+date.toGMTString();
+ }
+
+ document.cookie = name+"="+value+expires+"; path=/";
+ };
+
+ qq.getCookie = function(name) {
+ var nameEQ = name + "=",
+ ca = document.cookie.split(";"),
+ cookie;
+
+ qq.each(ca, function(idx, part) {
+ /*jshint -W116 */
+ var cookiePart = part;
+ while (cookiePart.charAt(0) == " ") {
+ cookiePart = cookiePart.substring(1, cookiePart.length);
+ }
+
+ if (cookiePart.indexOf(nameEQ) === 0) {
+ cookie = cookiePart.substring(nameEQ.length, cookiePart.length);
+ return false;
+ }
+ });
+
+ return cookie;
+ };
+
+ qq.getCookieNames = function(regexp) {
+ var cookies = document.cookie.split(";"),
+ cookieNames = [];
+
+ qq.each(cookies, function(idx, cookie) {
+ cookie = qq.trimStr(cookie);
+
+ var equalsIdx = cookie.indexOf("=");
+
+ if (cookie.match(regexp)) {
+ cookieNames.push(cookie.substr(0, equalsIdx));
+ }
+ });
+
+ return cookieNames;
+ };
+
+ qq.deleteCookie = function(name) {
+ qq.setCookie(name, "", -1);
+ };
+
+ qq.areCookiesEnabled = function() {
+ var randNum = Math.random() * 100000,
+ name = "qqCookieTest:" + randNum;
+ qq.setCookie(name, 1);
+
+ if (qq.getCookie(name)) {
+ qq.deleteCookie(name);
+ return true;
+ }
+ return false;
+ };
+
+ /**
+ * 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 = message;
+ };
+
+ qq.Error.prototype = new Error();
+}());
+
+/*global qq */
+qq.version="4.2.1";
+
+/* globals qq */
+qq.supportedFeatures = (function () {
+ "use strict";
+
+ var supportsUploading,
+ supportsAjaxFileUploading,
+ supportsFolderDrop,
+ supportsChunking,
+ supportsResume,
+ supportsUploadViaPaste,
+ supportsUploadCors,
+ supportsDeleteFileXdr,
+ supportsDeleteFileCorsXhr,
+ supportsDeleteFileCors,
+ supportsFolderSelection,
+ supportsImagePreviews;
+
+
+ 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;
+ }
+
+
+ supportsUploading = testSupportsFileInputElement();
+
+ supportsAjaxFileUploading = supportsUploading && qq.isXhrUploadSupported();
+
+ supportsFolderDrop = supportsAjaxFileUploading && isChrome21OrHigher();
+
+ supportsChunking = supportsAjaxFileUploading && qq.isFileChunkingSupported();
+
+ supportsResume = supportsAjaxFileUploading && supportsChunking && qq.areCookiesEnabled();
+
+ supportsUploadViaPaste = supportsAjaxFileUploading && isChrome14OrHigher();
+
+ supportsUploadCors = supportsUploading && (window.postMessage !== undefined || supportsAjaxFileUploading);
+
+ supportsDeleteFileCorsXhr = isCrossOriginXhrSupported();
+
+ supportsDeleteFileXdr = isXdrSupported();
+
+ supportsDeleteFileCors = isCrossOriginAjaxSupported();
+
+ supportsFolderSelection = isFolderSelectionSupported();
+
+ supportsImagePreviews = supportsAjaxFileUploading && window.FileReader !== undefined;
+
+
+ return {
+ uploading: supportsUploading,
+ ajaxUploading: supportsAjaxFileUploading,
+ fileDrop: supportsAjaxFileUploading, //NOTE: will also return true for touch-only devices. It's not currently possible to accurately test for touch-only devices
+ folderDrop: supportsFolderDrop,
+ chunking: supportsChunking,
+ resume: supportsResume,
+ uploadCustomHeaders: supportsAjaxFileUploading,
+ uploadNonMultipart: supportsAjaxFileUploading,
+ itemSizeValidation: supportsAjaxFileUploading,
+ uploadViaPaste: supportsUploadViaPaste,
+ progressBar: supportsAjaxFileUploading,
+ uploadCors: supportsUploadCors,
+ deleteFileCorsXhr: supportsDeleteFileCorsXhr,
+ deleteFileCorsXdr: supportsDeleteFileXdr, //NOTE: will also return true in IE10, where XDR is also supported
+ deleteFileCors: supportsDeleteFileCors,
+ canDetermineSize: supportsAjaxFileUploading,
+ folderSelection: supportsFolderSelection,
+ imagePreviews: supportsImagePreviews,
+ imageValidation: supportsImagePreviews,
+ pause: supportsChunking
+ };
+
+}());
+
+/*globals qq*/
+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*/
+
+/**
+ * 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 disposeSupport = new qq.DisposeSupport(),
+
+ options = {
+ // "Container" element
+ element: null,
+
+ // If true adds `multiple` attribute to `<input type="file">`
+ multiple: false,
+
+ // Corresponds to the `accept` attribute on the associated `<input type="file">`
+ acceptFiles: null,
+
+ // A true value allows folders to be selected, if supported by the UA
+ folders: 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) {},
+
+ // **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",
+
+ focusClass: "qq-upload-button-focus"
+ },
+ 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);
+
+ if (options.multiple) {
+ input.setAttribute("multiple", "");
+ }
+
+ 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",
+ // 4 persons reported this, the max values that worked for them were 243, 236, 236, 118
+ fontSize: "118px",
+ margin: 0,
+ padding: 0,
+ cursor: "pointer",
+ opacity: 0
+ });
+
+ 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);
+ });
+
+ // IE and Opera, unfortunately have 2 tab stops on file input
+ // which is unacceptable in our case, disable keyboard access
+ if (window.attachEvent) {
+ // it is IE or Opera
+ input.setAttribute("tabIndex", "-1");
+ }
+
+ 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"
+ });
+
+ input = createInput();
+
+
+ // Exposed API
+ qq.extend(this, {
+ getInput: function() {
+ return input;
+ },
+
+ getButtonId: function() {
+ return buttonId;
+ },
+
+ setMultiple: function(isMultiple) {
+ if (isMultiple !== options.multiple) {
+ 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 = createInput();
+ }
+ });
+};
+
+qq.UploadButton.BUTTON_ID_ATTR_NAME = "qq-button-id";
+
+/*globals qq */
+qq.UploadData = function(uploaderProxy) {
+ "use strict";
+
+ var data = [],
+ byUuid = {},
+ byStatus = {};
+
+
+ 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 uuid Initial UUID for this file.
+ * @param name Initial name of this file.
+ * @param size Size of this file, -1 if this cannot be determined
+ * @param status Initial `qq.status` for this file. If null/undefined, `qq.status.SUBMITTING`.
+ * @returns {number} Internal ID for this file.
+ */
+ addFile: function(uuid, name, size, status) {
+ status = status || qq.status.SUBMITTING;
+
+ var id = data.push({
+ name: name,
+ originalName: name,
+ uuid: uuid,
+ size: size,
+ status: status
+ }) - 1;
+
+ data[id].id = id;
+ byUuid[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 = {};
+ },
+
+ 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;
+ }
+ });
+};
+
+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 = {
+ log: function(str, level) {
+ if (this._options.debug && (!level || level === "info")) {
+ qq.log("[FineUploader " + qq.version + "] " + str);
+ }
+ else if (level && level !== "info") {
+ qq.log("[FineUploader " + qq.version + "] " + str, level);
+
+ }
+ },
+
+ setParams: function(params, id) {
+ /*jshint eqeqeq: true, eqnull: true*/
+ if (id == null) {
+ this._options.request.params = params;
+ }
+ else {
+ this._paramsStore.setParams(params, id);
+ }
+ },
+
+ setDeleteFileParams: function(params, id) {
+ /*jshint eqeqeq: true, eqnull: true*/
+ if (id == null) {
+ this._options.deleteFile.params = params;
+ }
+ else {
+ this._deleteFileParamsStore.setParams(params, id);
+ }
+ },
+
+ // Re-sets the default endpoint, an endpoint for a specific file, or an endpoint for a specific button
+ setEndpoint: function(endpoint, id) {
+ /*jshint eqeqeq: true, eqnull: true*/
+ if (id == null) {
+ this._options.request.endpoint = endpoint;
+ }
+ else {
+ this._endpointStore.setEndpoint(endpoint, id);
+ }
+ },
+
+ getInProgress: function() {
+ return this._uploadData.retrieve({
+ status: [
+ qq.status.UPLOADING,
+ qq.status.UPLOAD_RETRYING,
+ qq.status.QUEUED
+ ]
+ }).length;
+ },
+
+ getNetUploads: function() {
+ return this._netUploaded;
+ },
+
+ uploadStoredFiles: function() {
+ var idToUpload;
+
+ if (this._storedIds.length === 0) {
+ this._itemError("noFilesError");
+ }
+ else {
+ while (this._storedIds.length) {
+ idToUpload = this._storedIds.shift();
+ this._handler.upload(idToUpload);
+ }
+ }
+ },
+
+ clearStoredFiles: function(){
+ this._storedIds = [];
+ },
+
+ retry: function(id) {
+ return this._manualRetry(id);
+ },
+
+ 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();
+ },
+
+ 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();
+ },
+
+ addFiles: function(filesOrInputs, params, endpoint) {
+ var verifiedFilesOrInputs = [],
+ fileOrInputIndex, fileOrInput, fileIndex;
+
+ if (filesOrInputs) {
+ if (!qq.isFileList(filesOrInputs)) {
+ filesOrInputs = [].concat(filesOrInputs);
+ }
+
+ for (fileOrInputIndex = 0; fileOrInputIndex < filesOrInputs.length; fileOrInputIndex+=1) {
+ fileOrInput = filesOrInputs[fileOrInputIndex];
+
+ if (qq.isFileOrInput(fileOrInput)) {
+ if (qq.isInput(fileOrInput) && qq.supportedFeatures.ajaxUploading) {
+ for (fileIndex = 0; fileIndex < fileOrInput.files.length; fileIndex++) {
+ this._handleNewFile(fileOrInput.files[fileIndex], verifiedFilesOrInputs);
+ }
+ }
+ else {
+ this._handleNewFile(fileOrInput, verifiedFilesOrInputs);
+ }
+ }
+ else {
+ this.log(fileOrInput + " is not a File or INPUT element! Ignoring!", "warn");
+ }
+ }
+
+ this.log("Received " + verifiedFilesOrInputs.length + " files or inputs.");
+ this._prepareItemsForUpload(verifiedFilesOrInputs, params, endpoint);
+ }
+ },
+
+ addBlobs: function(blobDataOrArray, params, endpoint) {
+ if (blobDataOrArray) {
+ var blobDataArray = [].concat(blobDataOrArray),
+ verifiedBlobDataList = [],
+ self = this;
+
+ qq.each(blobDataArray, function(idx, blobData) {
+ var blobOrBlobData;
+
+ if (qq.isBlob(blobData) && !qq.isFileOrInput(blobData)) {
+ blobOrBlobData = {
+ blob: blobData,
+ name: self._options.blobs.defaultName
+ };
+ }
+ else if (qq.isObject(blobData) && blobData.blob && blobData.name) {
+ blobOrBlobData = blobData;
+ }
+ else {
+ self.log("addBlobs: entry at index " + idx + " is not a Blob or a BlobData object", "error");
+ }
+
+ blobOrBlobData && self._handleNewFile(blobOrBlobData, verifiedBlobDataList);
+ });
+
+ this._prepareItemsForUpload(verifiedBlobDataList, params, endpoint);
+ }
+ else {
+ this.log("undefined or non-array parameter passed into addBlobs", "error");
+ }
+ },
+
+ getUuid: function(id) {
+ return this._uploadData.retrieve({id: id}).uuid;
+ },
+
+ setUuid: function(id, newUuid) {
+ return this._uploadData.uuidChanged(id, newUuid);
+ },
+
+ getResumableFilesData: function() {
+ return this._handler.getResumableFilesData();
+ },
+
+ getSize: function(id) {
+ return this._uploadData.retrieve({id: id}).size;
+ },
+
+ getName: function(id) {
+ return this._uploadData.retrieve({id: id}).name;
+ },
+
+ setName: function(id, newName) {
+ this._uploadData.updateName(id, newName);
+ },
+
+ getFile: function(fileOrBlobId) {
+ return this._handler.getFile(fileOrBlobId);
+ },
+
+ deleteFile: function(id) {
+ this._onSubmitDelete(id);
+ },
+
+ setDeleteFileEndpoint: function(endpoint, id) {
+ /*jshint eqeqeq: true, eqnull: true*/
+ if (id == null) {
+ this._options.deleteFile.endpoint = endpoint;
+ }
+ else {
+ this._deleteFileEndpointStore.setEndpoint(endpoint, id);
+ }
+ },
+
+ doesExist: function(fileOrBlobId) {
+ return this._handler.isValid(fileOrBlobId);
+ },
+
+ getUploads: function(optionalFilter) {
+ return this._uploadData.retrieve(optionalFilter);
+ },
+
+ getButton: function(fileId) {
+ return this._getButton(this._buttonIdsForFileIds[fileId]);
+ },
+
+ // 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) {
+ if (this._imageGenerator) {
+ var fileOrUrl = this._thumbnailUrls[fileId],
+ options = {
+ scale: maxSize > 0,
+ maxSize: maxSize > 0 ? maxSize : null
+ };
+
+ // 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) {
+ return new qq.Promise().failure(imgOrCanvas, "File or URL not found.");
+ }
+
+ return this._imageGenerator.generate(fileOrUrl, imgOrCanvas, options);
+ }
+ },
+
+ 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 {
+ qq.log(qq.format("Unable to pause file ID {} ({}).", id, this.getName(id)), "error");
+ }
+ }
+ else {
+ qq.log(qq.format("Ignoring pause for file ID {} ({}). Not in progress.", id, this.getName(id)), "error");
+ }
+
+ return false;
+ },
+
+ 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) {
+ qq.log(qq.format("Paused file ID {} ({}) will be continued. Not paused.", id, this.getName(id)));
+
+ if (!this._handler.upload(id)) {
+ this._uploadData.setStatus(id, qq.status.QUEUED);
+ }
+ return true;
+ }
+ else {
+ qq.log(qq.format("Ignoring continue for file ID {} ({}). Not paused.", id, this.getName(id)), "error");
+ }
+
+ return false;
+ },
+
+ getRemainingAllowedItems: function() {
+ var allowedItems = this._options.validation.itemLimit;
+
+ if (allowedItems > 0) {
+ return this._options.validation.itemLimit - this._netUploadedOrQueued;
+ }
+
+ return null;
+ }
+ };
+
+
+
+
+ /**
+ * Defines the private (internal) API for FineUploaderBasic mode.
+ */
+ qq.basePrivateApi = {
+ // 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._options.callbacks.onSessionRequestComplete(response, true, xhrOrXdr);
+
+ }, function(response, xhrOrXdr) {
+
+ self._options.callbacks.onSessionRequestComplete(response, false, xhrOrXdr);
+ });
+ }, 0);
+ }
+ },
+
+ // 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(sessionData.uuid, sessionData.name, sessionData.size,
+ 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;
+ },
+
+ // Updates internal state when a new file has been received, and adds it along with its ID to a passed array.
+ _handleNewFile: function(file, newFileWrapperList) {
+ var size = -1,
+ uuid = qq.getUniqueId(),
+ name = qq.getFilename(file),
+ id;
+
+ if (file.size >= 0) {
+ size = file.size;
+ }
+ else if (file.blob) {
+ size = file.blob.size;
+ }
+
+ id = this._uploadData.addFile(uuid, name, size);
+ this._handler.add(id, file);
+
+ this._netUploadedOrQueued++;
+
+ newFileWrapperList.push({id: id, file: file});
+ },
+
+ // 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);
+ });
+ },
+
+ // Creates an extra button element
+ _initExtraButton: function(spec) {
+ var button = this._createUploadButton({
+ element: spec.element,
+ multiple: spec.multiple,
+ accept: spec.validation.acceptFiles,
+ folders: spec.folders,
+ allowedExtensions: spec.validation.allowedExtensions
+ });
+
+ this._extraButtonSpecs[button.getButtonId()] = spec;
+ },
+
+ /**
+ * 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;
+
+ // If the item is a `Blob` it will never be associated with a button or drop zone.
+ if (buttonOrFileInputOrFile && !buttonOrFileInputOrFile.blob && !qq.isBlob(buttonOrFileInputOrFile)) {
+ if (qq.isFile(buttonOrFileInputOrFile)) {
+ return buttonOrFileInputOrFile.qqButtonId;
+ }
+ else if (buttonOrFileInputOrFile.tagName.toLowerCase() === "input" &&
+ buttonOrFileInputOrFile.type.toLowerCase() === "file") {
+
+ return buttonOrFileInputOrFile.getAttribute(qq.UploadButton.BUTTON_ID_ATTR_NAME);
+ }
+
+ inputs = buttonOrFileInputOrFile.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);
+ }
+ }
+ },
+
+ _annotateWithButtonId: function(file, associatedInput) {
+ if (qq.isFile(file)) {
+ file.qqButtonId = this._getButtonId(associatedInput);
+ }
+ },
+
+ _getButton: function(buttonId) {
+ var extraButtonsSpec = this._extraButtonSpecs[buttonId];
+
+ if (extraButtonsSpec) {
+ return extraButtonsSpec.element;
+ }
+ else if (buttonId === this._defaultButtonId) {
+ return this._options.button;
+ }
+ },
+
+ _handleCheckedCallback: function(details) {
+ var self = this,
+ callbackRetVal = details.callback();
+
+ if (callbackRetVal instanceof qq.Promise) {
+ 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;
+ },
+
+ /**
+ * 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;
+
+ function allowMultiple() {
+ if (qq.supportedFeatures.ajaxUploading) {
+ // Workaround for bug in iOS7 (see #1039)
+ if (qq.ios7() && self._isAllowedExtension(allowedExtensions, ".mov")) {
+ return false;
+ }
+
+ if (spec.multiple === undefined) {
+ return self._options.multiple;
+ }
+
+ return spec.multiple;
+ }
+
+ return false;
+ }
+
+ var button = new qq.UploadButton({
+ element: spec.element,
+ folders: spec.folders,
+ name: this._options.request.inputName,
+ multiple: allowMultiple(),
+ acceptFiles: acceptFiles,
+ onChange: function(input) {
+ self._onInputChange(input);
+ },
+ hoverClass: this._options.classes.buttonHover,
+ focusClass: this._options.classes.buttonFocus
+ });
+
+ this._disposeSupport.addDisposer(function() {
+ button.dispose();
+ });
+
+ self._buttons.push(button);
+
+ return button;
+ },
+
+ _createUploadHandler: function(additionalOptions, namespace) {
+ var self = this,
+ options = {
+ debug: this._options.debug,
+ maxConnections: this._options.maxConnections,
+ cors: this._options.cors,
+ demoMode: this._options.demoMode,
+ paramsStore: this._paramsStore,
+ endpointStore: this._endpointStore,
+ chunking: this._options.chunking,
+ resume: this._options.resume,
+ blobs: this._options.blobs,
+ log: qq.bind(self.log, self),
+ onProgress: function(id, name, loaded, total){
+ self._onProgress(id, name, loaded, total);
+ self._options.callbacks.onProgress(id, name, loaded, total);
+ },
+ onComplete: function(id, name, result, xhr){
+ var 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) {
+ return self._handleCheckedCallback({
+ name: "onCancel",
+ callback: qq.bind(self._options.callbacks.onCancel, self, id, name),
+ onSuccess: qq.bind(self._onCancel, self, id, name),
+ identifier: id
+ });
+ },
+ 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)
+ };
+
+ qq.each(this._options.request, function(prop, val) {
+ options[prop] = val;
+ });
+
+ if (additionalOptions) {
+ qq.each(additionalOptions, function(key, val) {
+ options[key] = val;
+ });
+ }
+
+ return new qq.UploadHandler(options, namespace);
+ },
+
+ _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._options.deleteFile.customHeaders,
+ paramsStore: this._deleteFileParamsStore,
+ endpointStore: this._deleteFileEndpointStore,
+ demoMode: this._options.demoMode,
+ 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"
+ });
+ }
+ }
+ });
+ },
+
+ _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);
+ }
+ });
+ },
+
+ _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]);
+ }
+ },
+
+ _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.addBlobs({
+ name: name,
+ blob: blob
+ });
+ },
+
+ _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;
+ }
+ });
+ },
+
+ _onSubmit: function(id, name) {
+ //nothing to do yet in core uploader
+ },
+
+ _onProgress: function(id, name, loaded, total) {
+ //nothing to do yet in core uploader
+ },
+
+ _onComplete: function(id, name, result, xhr) {
+ if (!result.success) {
+ this._netUploadedOrQueued--;
+ this._uploadData.setStatus(id, qq.status.UPLOAD_FAILED);
+ }
+ 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;
+ },
+
+ _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);
+ },
+
+ _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;
+ },
+
+ _onSubmitDelete: function(id, onSuccessCallback, additionalMandatedParams) {
+ var uuid = this.getUuid(id),
+ adjustedOnSuccessCallback;
+
+ if (onSuccessCallback) {
+ adjustedOnSuccessCallback = qq.bind(onSuccessCallback, this, id, uuid, additionalMandatedParams);
+ }
+
+ if (this._isDeletePossible()) {
+ return 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
+ });
+ }
+ 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;
+ }
+ },
+
+ _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 reporing, we only have accesss 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.");
+ }
+ },
+
+ _onUpload: function(id, name) {
+ this._uploadData.setStatus(id, qq.status.UPLOADING);
+ },
+
+ _onUploadChunk: function(id, chunkData) {
+ //nothing to do in the base uploader
+ },
+
+ _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();
+ });
+ },
+
+ _onBeforeAutoRetry: function(id, name) {
+ this.log("Waiting " + this._options.retry.autoAttemptDelay + " seconds before retrying " + name + "...");
+ },
+
+ /**
+ * 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] + 1);
+ self._onBeforeAutoRetry(id, name);
+
+ self._retryTimeouts[id] = setTimeout(function() {
+ self.log("Retrying " + name + "...");
+ self._autoRetries[id]++;
+ self._uploadData.setStatus(id, qq.status.UPLOAD_RETRYING);
+
+ if (callback) {
+ callback(id);
+ }
+ else {
+ self._handler.retry(id);
+ }
+ }, self._options.retry.autoAttemptDelay * 1000);
+
+ return true;
+ }
+ },
+
+ _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;
+ }
+
+ return this._autoRetries[id] < this._options.retry.maxAutoAttempts;
+ }
+
+ return false;
+ },
+
+ //return false if we should not attempt the requested retry
+ _onBeforeManualRetry: function(id) {
+ var itemLimit = this._options.validation.itemLimit;
+
+ if (this._preventRetries[id]) {
+ this.log("Retries are forbidden for id " + id, "warn");
+ return false;
+ }
+ else if (this._handler.isValid(id)) {
+ var 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;
+ }
+ },
+
+ /**
+ * 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;
+ }
+ },
+
+ _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);
+ }
+ }
+ },
+
+ _prepareItemsForUpload: function(items, params, endpoint) {
+ 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"
+ });
+ },
+
+ _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
+ });
+ },
+
+ _onSubmitCallbackSuccess: function(id, name) {
+ 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;
+ }
+
+ this._onSubmit.apply(this, arguments);
+ this._uploadData.setStatus(id, qq.status.SUBMITTED);
+ this._onSubmitted.apply(this, arguments);
+ this._options.callbacks.onSubmitted.apply(this, arguments);
+
+ if (this._options.autoUpload) {
+ if (!this._handler.upload(id)) {
+ this._uploadData.setStatus(id, qq.status.QUEUED);
+ }
+ }
+ else {
+ this._storeForLater(id);
+ }
+ },
+
+ _onSubmitted: function(id) {
+ //nothing to do in the base uploader
+ },
+
+ _storeForLater: function(id) {
+ this._storedIds.push(id);
+ },
+
+ _onValidateBatchCallbackSuccess: function(validationDescriptors, items, params, endpoint, button) {
+ var errorMessage,
+ itemLimit = this._options.validation.itemLimit,
+ 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);
+ }
+ },
+
+ _onValidateBatchCallbackFailure: function(fileWrappers) {
+ var self = this;
+
+ qq.each(fileWrappers, function(idx, fileWrapper) {
+ self._fileOrBlobRejected(fileWrapper.id);
+ });
+ },
+
+ _onValidateCallbackSuccess: function(items, index, params, endpoint) {
+ var self = this,
+ nextIndex = index+1,
+ validationDescriptor = this._getValidationDescriptor(items[index].file);
+
+ 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);
+ }
+ );
+ },
+
+ _onValidateCallbackFailure: function(items, index, params, endpoint) {
+ var nextIndex = index+ 1;
+
+ this._fileOrBlobRejected(items[0].id, items[0].file.name);
+
+ this._maybeProcessNextItemAfterOnValidateCallback(false, items, nextIndex, params, endpoint);
+ },
+
+ _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].file);
+
+ self._handleCheckedCallback({
+ name: "onValidate",
+ callback: qq.bind(self._options.callbacks.onValidate, self, items[index].file),
+ 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);
+ }
+ }
+ }
+ },
+
+ /**
+ * 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 = fileWrapper.file,
+ name = validationDescriptor.name,
+ size = validationDescriptor.size,
+ buttonId = this._getButtonId(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 && validationBase.sizeLimit && size > validationBase.sizeLimit) {
+ this._itemError("sizeError", name, file);
+ return validityChecker.failure();
+ }
+
+ if (size && 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;
+ },
+
+ _fileOrBlobRejected: function(id) {
+ this._netUploadedOrQueued--;
+ this._uploadData.setStatus(id, qq.status.REJECTED);
+ },
+
+ /**
+ * 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;
+ },
+
+ _batchError: function(message) {
+ this._options.callbacks.onError(null, null, message, undefined);
+ },
+
+ _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;
+ },
+
+ _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];
+ },
+
+ _wrapCallbacks: function() {
+ var self, safeCallback;
+
+ 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 (var 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);
+ };
+ }());
+ }
+ },
+
+ _parseFileOrBlobDataName: function(fileOrBlobData) {
+ var name;
+
+ if (qq.isFileOrInput(fileOrBlobData)) {
+ if (fileOrBlobData.value) {
+ // it is a file input
+ // get input value and remove path to normalize
+ name = fileOrBlobData.value.replace(/.*(\/|\\)/, "");
+ } else {
+ // fix missing properties in Safari 4 and firefox 11.0a2
+ name = (fileOrBlobData.fileName !== null && fileOrBlobData.fileName !== undefined) ? fileOrBlobData.fileName : fileOrBlobData.name;
+ }
+ }
+ else {
+ name = fileOrBlobData.name;
+ }
+
+ return name;
+ },
+
+ _parseFileOrBlobDataSize: function(fileOrBlobData) {
+ var size;
+
+ if (qq.isFileOrInput(fileOrBlobData)) {
+ if (fileOrBlobData.value === undefined) {
+ // fix missing properties in Safari 4 and firefox 11.0a2
+ size = (fileOrBlobData.fileSize !== null && fileOrBlobData.fileSize !== undefined) ? fileOrBlobData.fileSize : fileOrBlobData.size;
+ }
+ }
+ else {
+ size = fileOrBlobData.blob.size;
+ }
+
+ return size;
+ },
+
+ _getValidationDescriptor: function(fileOrBlobData) {
+ var fileDescriptor = {},
+ name = this._parseFileOrBlobDataName(fileOrBlobData),
+ size = this._parseFileOrBlobDataSize(fileOrBlobData);
+
+ fileDescriptor.name = name;
+ if (size !== undefined) {
+ fileDescriptor.size = size;
+ }
+
+ return fileDescriptor;
+ },
+
+ _getValidationDescriptors: function(fileWrappers) {
+ var self = this,
+ fileDescriptors = [];
+
+ qq.each(fileWrappers, function(idx, fileWrapper) {
+ fileDescriptors.push(self._getValidationDescriptor(fileWrapper.file));
+ });
+
+ return fileDescriptors;
+ },
+
+ _createParamsStore: function(type) {
+ var paramsStore = {},
+ self = this;
+
+ return {
+ setParams: function(params, id) {
+ var paramsCopy = {};
+ qq.extend(paramsCopy, params);
+ paramsStore[id] = paramsCopy;
+ },
+
+ getParams: function(id) {
+ /*jshint eqeqeq: true, eqnull: true*/
+ var paramsCopy = {};
+
+ if (id != null && paramsStore[id]) {
+ qq.extend(paramsCopy, paramsStore[id]);
+ }
+ else {
+ qq.extend(paramsCopy, self._options[type].params);
+ }
+
+ return paramsCopy;
+ },
+
+ remove: function(fileId) {
+ return delete paramsStore[fileId];
+ },
+
+ reset: function() {
+ paramsStore = {};
+ }
+ };
+ },
+
+ _createEndpointStore: function(type) {
+ var endpointStore = {},
+ self = this;
+
+ return {
+ setEndpoint: function(endpoint, id) {
+ endpointStore[id] = endpoint;
+ },
+
+ getEndpoint: function(id) {
+ /*jshint eqeqeq: true, eqnull: true*/
+ if (id != null && endpointStore[id]) {
+ return endpointStore[id];
+ }
+
+ return self._options[type].endpoint;
+ },
+
+ remove: function(fileId) {
+ return delete endpointStore[fileId];
+ },
+
+ reset: function() {
+ endpointStore = {};
+ }
+ };
+ },
+
+ // 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;
+ }
+ });
+ }
+ },
+
+ // 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;
+
+ }
+ };
+}());
+
+/*globals qq*/
+(function(){
+ "use strict";
+
+ qq.FineUploaderBasic = function(o) {
+ // These options define FineUploaderBasic mode.
+ this._options = {
+ debug: false,
+ button: null,
+ multiple: true,
+ maxConnections: 3,
+ disableCancelForFormUploads: false,
+ autoUpload: true,
+
+ request: {
+ endpoint: "/server/upload",
+ params: {},
+ paramsInBody: true,
+ customHeaders: {},
+ forceMultipart: true,
+ inputName: "qqfile",
+ uuidName: "qquuid",
+ totalFileSizeName: "qqtotalfilesize",
+ filenameParam: "qqfilename"
+ },
+
+ 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){},
+ 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){},
+ 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."
+ },
+
+ retry: {
+ enableAuto: false,
+ maxAutoAttempts: 3,
+ autoAttemptDelay: 5,
+ preventRetryResponseProperty: "preventRetry"
+ },
+
+ classes: {
+ buttonHover: "qq-upload-button-hover",
+ buttonFocus: "qq-upload-button-focus"
+ },
+
+ chunking: {
+ enabled: false,
+ partSize: 2000000,
+ paramNames: {
+ partIndex: "qqpartindex",
+ partByteOffset: "qqpartbyteoffset",
+ chunkSize: "qqchunksize",
+ totalFileSize: "qqtotalfilesize",
+ totalParts: "qqtotalparts"
+ }
+ },
+
+ resume: {
+ enabled: false,
+ id: null,
+ cookiesExpireIn: 7, //days
+ paramNames: {
+ resuming: "qqresume"
+ }
+ },
+
+ formatFileName: function(fileOrBlobName) {
+ if (fileOrBlobName !== undefined && fileOrBlobName.length > 33) {
+ fileOrBlobName = fileOrBlobName.slice(0, 19) + "..." + fileOrBlobName.slice(-14);
+ }
+ return fileOrBlobName;
+ },
+
+ text: {
+ defaultResponseError: "Upload failure reason unknown",
+ 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
+ }
+ };
+
+ // 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._paramsStore = this._createParamsStore("request");
+ this._deleteFileParamsStore = this._createParamsStore("deleteFile");
+
+ this._endpointStore = this._createEndpointStore("request");
+ this._deleteFileEndpointStore = this._createEndpointStore("deleteFile");
+
+ this._handler = this._createUploadHandler();
+
+ this._deleteHandler = qq.DeleteFileAjaxRequester && this._createDeleteHandler();
+
+ if (this._options.button) {
+ this._defaultButtonId = this._createUploadButton({element: this._options.button}).getButtonId();
+ }
+
+ this._generateExtraButtonSpecs();
+
+ this._handleCameraAccess();
+
+ if (this._options.paste.targetElement) {
+ if (qq.PasteSupport) {
+ this._pasteHandler = this._createPasteHandler();
+ }
+ else {
+ qq.log("Paste support module not found", "info");
+ }
+ }
+
+ this._preventLeaveInProgress();
+
+ this._imageGenerator = qq.ImageGenerator && new qq.ImageGenerator(qq.bind(this.log, this));
+ this._refreshSessionData();
+ };
+
+ // 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 = {
+ validMethods: ["POST"],
+ method: "POST",
+ contentType: "application/x-www-form-urlencoded",
+ maxConnections: 3,
+ customHeaders: {},
+ endpointStore: {},
+ paramsStore: {},
+ mandatedParams: {},
+ allowXRequestedWithAndCacheControl: true,
+ successfulResponseCodes: {
+ "DELETE": [200, 202, 204],
+ "POST": [200, 204],
+ "GET": [200]
+ },
+ cors: {
+ expected: false,
+ sendCredentials: false
+ },
+ log: function (str, level) {},
+ onSend: function (id) {},
+ onComplete: function (id, xhrOrXdr, isError) {}
+ };
+
+ 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();
+ }
+ }
+
+ return xhrOrXdr;
+ }
+
+ // Returns either a new XHR/XDR instance, or an existing one for the associated `File` or `Blob`.
+ function getXhrOrXdr(id, dontCreateIfNotExist) {
+ var xhrOrXdr = requestData[id].xhr;
+
+ if (!xhrOrXdr && !dontCreateIfNotExist) {
+ 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.getParams) {
+ params = options.paramsStore.getParams(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) {
+ var xhr = getXhrOrXdr(id),
+ method = options.method,
+ params = getParams(id),
+ payload = requestData[id].payload,
+ url;
+
+ options.onSend(id);
+
+ url = createUrl(id, params);
+
+ // 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);
+ }
+
+ // 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.toLowerCase().indexOf("application/x-www-form-urlencoded") >= 0) {
+ xhr.send(qq.obj2url(params, ""));
+ }
+ else if (params && options.contentType.toLowerCase().indexOf("application/json") >= 0) {
+ xhr.send(JSON.stringify(params));
+ }
+ else {
+ xhr.send(params);
+ }
+ }
+
+ function createUrl(id, params) {
+ var endpoint = options.endpointStore.getEndpoint(id),
+ addToPath = requestData[id].addToPath;
+
+ /*jshint -W116,-W041 */
+ if (addToPath != undefined) {
+ endpoint += "/" + addToPath;
+ }
+
+ if (shouldParamsBeInQueryString && params) {
+ return qq.obj2url(params, endpoint);
+ }
+ else {
+ 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);
+ }
+ };
+ }
+
+ // 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)) {
+ // 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, 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, addToPath, additionalParams, additionalHeaders, payload) {
+ requestData[id] = {
+ addToPath: addToPath,
+ additionalParams: additionalParams,
+ additionalHeaders: additionalHeaders,
+ payload: payload
+ };
+
+ var len = queue.push(id);
+
+ // if too many active connections, wait...
+ if (len <= options.maxConnections) {
+ sendRequest(id);
+ }
+ }
+
+
+ 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;
+
+ 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;
+ },
+
+ // 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;
+ },
+
+ // Send the constructed request.
+ send: function() {
+ prepareToSend(id, path, params, headers, payload);
+ }
+ };
+ }
+ });
+};
+
+/*globals qq*/
+/**
+ * Base upload handler module. Delegates to more specific handlers.
+ *
+ * @param o Options. Passed along to the specific handler submodule as well.
+ * @param namespace [optional] Namespace for the specific handler.
+ */
+qq.UploadHandler = function(o, namespace) {
+ "use strict";
+
+ var queue = [],
+ options, log, handlerImpl;
+
+ // Default options, can be overridden by the user
+ options = {
+ debug: false,
+ forceMultipart: true,
+ paramsInBody: false,
+ paramsStore: {},
+ endpointStore: {},
+ filenameParam: "qqfilename",
+ cors: {
+ expected: false,
+ sendCredentials: false
+ },
+ maxConnections: 3, // maximum number of concurrent uploads
+ uuidName: "qquuid",
+ totalFileSizeName: "qqtotalfilesize",
+ chunking: {
+ enabled: false,
+ partSize: 2000000, //bytes
+ paramNames: {
+ partIndex: "qqpartindex",
+ partByteOffset: "qqpartbyteoffset",
+ chunkSize: "qqchunksize",
+ totalParts: "qqtotalparts",
+ filename: "qqfilename"
+ }
+ },
+ resume: {
+ enabled: false,
+ id: null,
+ cookiesExpireIn: 7, //days
+ paramNames: {
+ resuming: "qqresume"
+ }
+ },
+ log: function(str, level) {},
+ onProgress: function(id, fileName, loaded, total){},
+ onComplete: function(id, fileName, response, xhr){},
+ onCancel: function(id, fileName){},
+ 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) {}
+
+ };
+ qq.extend(options, o);
+
+ log = options.log;
+
+ /**
+ * Removes element from queue, starts upload of next
+ */
+ function dequeue(id) {
+ var i = qq.indexOf(queue, id),
+ max = options.maxConnections,
+ nextId;
+
+ if (i >= 0) {
+ queue.splice(i, 1);
+
+ if (queue.length >= max && i < max){
+ nextId = queue[max-1];
+ handlerImpl.upload(nextId);
+ }
+ }
+ }
+
+ function cancelSuccess(id) {
+ log("Cancelling " + id);
+ options.paramsStore.remove(id);
+ dequeue(id);
+ }
+
+ function determineHandlerImpl() {
+ var handlerType = namespace ? qq[namespace] : qq,
+ handlerModuleSubtype = qq.supportedFeatures.ajaxUploading ? "Xhr" : "Form";
+
+ handlerImpl = new handlerType["UploadHandler" + handlerModuleSubtype](
+ options,
+ {onUploadComplete: dequeue, onUuidChanged: options.onUuidChanged,
+ getName: options.getName, getUuid: options.getUuid, getSize: options.getSize, log: log}
+ );
+ }
+
+
+ qq.extend(this, {
+ /**
+ * Adds file or file input to the queue
+ * @returns id
+ **/
+ add: function(id, file) {
+ return handlerImpl.add.apply(this, arguments);
+ },
+
+ /**
+ * Sends the file identified by id
+ */
+ upload: function(id) {
+ var len = queue.push(id);
+
+ // if too many active uploads, wait...
+ if (len <= options.maxConnections){
+ handlerImpl.upload(id);
+ return true;
+ }
+
+ return false;
+ },
+
+ retry: function(id) {
+ var i = qq.indexOf(queue, id);
+ if (i >= 0) {
+ return handlerImpl.upload(id, true);
+ }
+ else {
+ return this.upload(id);
+ }
+ },
+
+ /**
+ * Cancels file upload by id
+ */
+ cancel: function(id) {
+ var cancelRetVal = handlerImpl.cancel(id);
+
+ if (cancelRetVal instanceof qq.Promise) {
+ cancelRetVal.then(function() {
+ cancelSuccess(id);
+ });
+ }
+ else if (cancelRetVal !== false) {
+ cancelSuccess(id);
+ }
+ },
+
+ /**
+ * Cancels all queued or in-progress uploads
+ */
+ cancelAll: function() {
+ var self = this,
+ queueCopy = [];
+
+ qq.extend(queueCopy, queue);
+ qq.each(queueCopy, function(idx, fileId) {
+ self.cancel(fileId);
+ });
+
+ queue = [];
+ },
+
+ getFile: function(id) {
+ if (handlerImpl.getFile) {
+ return handlerImpl.getFile(id);
+ }
+ },
+
+ getInput: function(id) {
+ if (handlerImpl.getInput) {
+ return handlerImpl.getInput(id);
+ }
+ },
+
+ reset: function() {
+ log("Resetting upload handler");
+ this.cancelAll();
+ queue = [];
+ handlerImpl.reset();
+ },
+
+ expunge: function(id) {
+ if (this.isValid(id)) {
+ return handlerImpl.expunge(id);
+ }
+ },
+
+ /**
+ * Determine if the file exists.
+ */
+ isValid: function(id) {
+ return handlerImpl.isValid(id);
+ },
+
+ getResumableFilesData: function() {
+ if (handlerImpl.getResumableFilesData) {
+ return handlerImpl.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 (handlerImpl.getThirdPartyFileId && this.isValid(id)) {
+ return handlerImpl.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 (handlerImpl.pause && this.isValid(id) && handlerImpl.pause(id)) {
+ dequeue(id);
+ return true;
+ }
+ }
+ });
+
+ determineHandlerImpl();
+};
+
+/* 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.
+ *
+ * @param internalApi Object that will be filled with internal API methods
+ * @param spec Options/static values used to configure this handler
+ * @param proxy Callbacks & methods used to query for or push out data/changes
+ * @constructor
+ */
+qq.UploadHandlerFormApi = function(internalApi, spec, proxy) {
+ "use strict";
+
+ var formHandlerInstanceId = qq.getUniqueId(),
+ onloadCallbacks = {},
+ detachLoadEvents = {},
+ postMessageCallbackTimers = {},
+ publicApi = this,
+ isCors = spec.isCors,
+ fileState = spec.fileState,
+ inputName = spec.inputName,
+ onCancel = proxy.onCancel,
+ onUuidChanged = proxy.onUuidChanged,
+ getName = proxy.getName,
+ 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];
+ delete fileState[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(internalApi.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
+ iframe.setAttribute("src", "java" + String.fromCharCode(115) + "cript:false;"); //deal with "JSLint: javascript URL" warning, which apparently cannot be turned off
+
+ qq(iframe).remove();
+ }
+ }
+
+ /**
+ * 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 (fileState[fileId].input) {
+ 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 = internalApi.parseJsonResponse(fileId, message),
+ uuid = response.uuid,
+ onloadCallback;
+
+ if (uuid && onloadCallbacks[uuid]) {
+ log("Handling response for iframe name " + iframeName);
+ clearTimeout(postMessageCallbackTimers[iframeName]);
+ delete postMessageCallbackTimers[iframeName];
+
+ internalApi.detachLoadEvent(iframeName);
+
+ onloadCallback = onloadCallbacks[uuid];
+
+ delete onloadCallbacks[uuid];
+ corsMessageReceiver.stopReceivingMessages(iframeName);
+ onloadCallback(response);
+ }
+ else if (!uuid) {
+ log("'" + message + "' does not contain a UUID - ignoring.");
+ }
+ });
+ }
+
+ /**
+ * 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;
+ }
+
+ /**
+ * @param iframeName `document`-unique Name of the associated iframe
+ * @returns {*} ID of the associated file
+ */
+ function getFileIdForIframeName(iframeName) {
+ return iframeName.split("_")[0];
+ }
+
+
+// INTERNAL API
+
+ qq.extend(internalApi, {
+ /**
+ * @param fileId ID of the associated file
+ * @returns {string} The `document`-unique name of the iframe
+ */
+ getIframeName: function(fileId) {
+ return fileId + "_" + formHandlerInstanceId;
+ },
+
+ /**
+ * Creates an iframe with a specific document-unique name.
+ *
+ * @param id ID of the associated file
+ * @returns {HTMLIFrameElement}
+ */
+ createIframe: function(id) {
+ var iframeName = internalApi.getIframeName(id);
+
+ return initIframeForUpload(iframeName);
+ },
+
+ /**
+ * @param id ID of the associated file
+ * @param innerHtmlOrMessage JSON message
+ * @returns {*} The parsed response, or an empty object if the response could not be parsed
+ */
+ parseJsonResponse: function(id, innerHtmlOrMessage) {
+ var response;
+
+ try {
+ response = qq.parseJson(innerHtmlOrMessage);
+
+ if (response.newUuid !== undefined) {
+ onUuidChanged(id, response.newUuid);
+ }
+ }
+ catch(error) {
+ log("Error when attempting to parse iframe upload response (" + error.message + ")", "error");
+ response = {};
+ }
+
+ return response;
+ },
+
+ /**
+ * 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;
+ },
+
+ /**
+ * 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);
+ });
+ }
+ },
+
+ /**
+ * 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];
+ }
+ }
+ });
+
+
+// PUBLIC API
+
+ qq.extend(this, {
+ add: function(id, fileInput) {
+ fileState[id] = {input: fileInput};
+
+ fileInput.setAttribute("name", inputName);
+
+ // remove file input from DOM
+ if (fileInput.parentNode){
+ qq(fileInput).remove();
+ }
+ },
+
+ getInput: function(id) {
+ return fileState[id].input;
+ },
+
+ isValid: function(id) {
+ return fileState[id] !== undefined &&
+ fileState[id].input !== undefined;
+ },
+
+ reset: function() {
+ fileState.length = 0;
+ },
+
+ expunge: function(id) {
+ return expungeFile(id);
+ },
+
+ cancel: function(id) {
+ var onCancelRetVal = onCancel(id, getName(id));
+
+ if (onCancelRetVal instanceof qq.Promise) {
+ return onCancelRetVal.then(function() {
+ this.expunge(id);
+ });
+ }
+ else if (onCancelRetVal !== false) {
+ this.expunge(id);
+ return true;
+ }
+
+ return false;
+ },
+
+ upload: function(id) {
+ // implementation-specific
+ }
+ });
+};
+
+/* globals qq */
+/**
+ * Common API exposed to creators of XHR handlers. This is reused and possibly overriding in some cases by specific
+ * XHR upload handlers.
+ *
+ * @param internalApi Object that will be filled with internal API methods
+ * @param spec Options/static values used to configure this handler
+ * @param proxy Callbacks & methods used to query for or push out data/changes
+ * @constructor
+ */
+qq.UploadHandlerXhrApi = function(internalApi, spec, proxy) {
+ "use strict";
+
+ var publicApi = this,
+ fileState = spec.fileState,
+ chunking = spec.chunking,
+ onUpload = proxy.onUpload,
+ onCancel = proxy.onCancel,
+ onUuidChanged = proxy.onUuidChanged,
+ getName = proxy.getName,
+ getSize = proxy.getSize,
+ log = proxy.log;
+
+
+ function getChunk(fileOrBlob, startByte, endByte) {
+ if (fileOrBlob.slice) {
+ return fileOrBlob.slice(startByte, endByte);
+ }
+ else if (fileOrBlob.mozSlice) {
+ return fileOrBlob.mozSlice(startByte, endByte);
+ }
+ else if (fileOrBlob.webkitSlice) {
+ return fileOrBlob.webkitSlice(startByte, endByte);
+ }
+ }
+
+ qq.extend(internalApi, {
+ /**
+ * Creates an XHR instance for this file and stores it in the fileState.
+ *
+ * @param id File ID
+ * @returns {XMLHttpRequest}
+ */
+ createXhr: function(id) {
+ var xhr = qq.createXhrInstance();
+
+ fileState[id].xhr = xhr;
+
+ return xhr;
+ },
+
+ /**
+ * @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);
+ }
+ },
+
+ getChunkData: function(id, chunkIndex) {
+ var chunkSize = chunking.partSize,
+ fileSize = getSize(id),
+ fileOrBlob = publicApi.getFile(id),
+ startBytes = chunkSize * chunkIndex,
+ endBytes = startBytes+chunkSize >= fileSize ? fileSize : startBytes+chunkSize,
+ totalChunks = internalApi.getTotalChunks(id);
+
+ return {
+ part: chunkIndex,
+ start: startBytes,
+ end: endBytes,
+ count: totalChunks,
+ blob: getChunk(fileOrBlob, startBytes, endBytes),
+ size: endBytes - startBytes
+ };
+ },
+
+ getChunkDataForCallback: function(chunkData) {
+ return {
+ partIndex: chunkData.part,
+ startByte: chunkData.start + 1,
+ endByte: chunkData.end,
+ totalParts: chunkData.count
+ };
+ }
+ });
+
+ qq.extend(this, {
+ /**
+ * Adds File or Blob to the queue
+ **/
+ add: function(id, fileOrBlobData) {
+ if (qq.isFile(fileOrBlobData)) {
+ fileState[id] = {file: fileOrBlobData};
+ }
+ else if (qq.isBlob(fileOrBlobData.blob)) {
+ fileState[id] = {blobData: fileOrBlobData};
+ }
+ else {
+ throw new Error("Passed obj is not a File or BlobData (in qq.UploadHandlerXhr)");
+ }
+ },
+
+ getFile: function(id) {
+ if (fileState[id]) {
+ return fileState[id].file || fileState[id].blobData.blob;
+ }
+ },
+
+ isValid: function(id) {
+ return fileState[id] !== undefined;
+ },
+
+ reset: function() {
+ fileState.length = 0;
+ },
+
+ expunge: function(id) {
+ var xhr = fileState[id].xhr;
+
+ if (xhr) {
+ xhr.onreadystatechange = null;
+ xhr.abort();
+ }
+
+ delete fileState[id];
+ },
+
+ /**
+ * Sends the file identified by id to the server
+ */
+ upload: function(id, retry) {
+ fileState[id] && delete fileState[id].paused;
+ return onUpload(id, retry);
+ },
+
+ cancel: function(id) {
+ var onCancelRetVal = onCancel(id, getName(id));
+
+ if (onCancelRetVal instanceof qq.Promise) {
+ return onCancelRetVal.then(function() {
+ this.expunge(id);
+ });
+ }
+ else if (onCancelRetVal !== false) {
+ this.expunge(id);
+ return true;
+ }
+
+ return false;
+ },
+
+ pause: function(id) {
+ var xhr = fileState[id].xhr;
+
+ if(xhr) {
+ log(qq.format("Aborting XHR upload for {} '{}' due to pause instruction.", id, getName(id)));
+ fileState[id].paused = true;
+ xhr.abort();
+ return true;
+ }
+ }
+ });
+};
+
+/*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 = {
+ 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) {
+ 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()}).getButtonId();
+ }
+
+ if (this._dnd) {
+ this._dnd.dispose();
+ this._dnd = this._setupDragAndDrop();
+ }
+
+ this._totalFilesInBatch = 0;
+ this._filesInBatchAddedToUi = 0;
+
+ this._setupClickAndEditEventHandlers();
+ },
+
+ 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) {
+ 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) {
+ qq(self._templating.getFileContainer(fileId)).removeClass(self._classes.retryable);
+ 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) {
+ var formattedFilename = self._options.formatFileName(newName);
+
+ templating.updateFilename(id, formattedFilename);
+ 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);
+ }
+ }
+ },
+
+ _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);
+ },
+
+ _onSubmit: function(id, name) {
+ 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 (loaded === total) {
+ this._templating.hideCancel(id);
+ this._templating.hidePause(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);
+ }
+ },
+
+ _onComplete: function(id, name, result, xhr) {
+ var parentRetVal = this._parent.prototype._onComplete.apply(this, arguments),
+ templating = this._templating,
+ self = this;
+
+ function completeUpload(result) {
+ templating.setStatusText(id);
+
+ qq(templating.getFileContainer(id)).removeClass(self._classes.retrying);
+ templating.hideProgress(id);
+
+ if (!self._options.disableCancelForFormUploads || qq.supportedFeatures.ajaxUploading) {
+ templating.hideCancel(id);
+ }
+ templating.hideSpinner(id);
+
+ if (result.success) {
+ self._markFileAsSuccessful(id);
+ }
+ else {
+ qq(templating.getFileContainer(id)).addClass(self._classes.fail);
+
+ if (self._templating.isRetryPossible() && !self._preventRetries[id]) {
+ qq(templating.getFileContainer(id)).addClass(self._classes.retryable);
+ }
+ 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);
+ },
+
+ _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
+ chunkData.partIndex > 0 && this._templating.allowPause(id);
+ },
+
+ _onCancel: function(id, name) {
+ this._parent.prototype._onCancel.apply(this, arguments);
+ this._removeFileItem(id);
+ },
+
+ _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] + 1;
+ 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);
+ 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 (retVal instanceof qq.Promise) {
+ 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;
+
+ 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();
+ }
+
+ if (!this._options.multiple) {
+ this._handler.cancelAll();
+ this._clearList();
+ }
+ }
+
+ this._templating.addFile(id, this._options.formatFileName(name), prependData);
+
+ if (canned) {
+ this._thumbnailUrls[id] && this._templating.updateThumbnail(id, this._thumbnailUrls[id], true);
+ }
+ else {
+ this._templating.generatePreview(id, this.getFile(id));
+ }
+
+ this._filesInBatchAddedToUi += 1;
+
+ if (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, maxChars, responseProperty, failureReason, shortFailureReason;
+
+ mode = this._options.failedUploadTextDisplay.mode;
+ maxChars = this._options.failedUploadTextDisplay.maxChars;
+ responseProperty = this._options.failedUploadTextDisplay.responseProperty;
+
+ if (mode === "custom") {
+ failureReason = response[responseProperty];
+ if (failureReason) {
+ if (failureReason.length > maxChars) {
+ shortFailureReason = failureReason.substring(0, maxChars) + "...";
+ }
+ }
+ else {
+ failureReason = this._options.text.failUpload;
+ this.log("'" + responseProperty + "' is not a valid property on the server response.", "warn");
+ }
+
+ this._templating.setStatusText(id, shortFailureReason || 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];
+
+ this._templating.updateThumbnail(fileId, thumbnailUrl);
+ },
+
+ _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;
+ }
+ };
+}());
+
+/*globals qq */
+/**
+ * This defines FineUploader mode, which is a default UI w/ drag & drop uploading.
+ */
+qq.FineUploader = function(o, namespace) {
+ "use strict";
+
+ // 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: []
+ },
+
+ 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
+ maxChars: 50,
+ 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: {
+ placeholders: {
+ waitUntilResponse: false,
+ notAvailablePath: null,
+ waitingPath: null
+ }
+ },
+
+ showMessage: function(message){
+ setTimeout(function() {
+ window.alert(message);
+ }, 0);
+ },
+
+ showConfirm: function(message) {
+ return window.confirm(message);
+ },
+
+ showPrompt: function(message, defaultValue) {
+ 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
+ },
+ placeholders: {
+ waitUntilUpdate: this._options.thumbnails.placeholders.waitUntilResponse,
+ thumbnailNotAvailable: this._options.thumbnails.placeholders.notAvailablePath,
+ waitingForThumbnail: this._options.thumbnails.placeholders.waitingPath
+ },
+ text: this._options.text
+ });
+
+ 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()}).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 {
+ qq.log("Paste support module not found.", "info");
+ }
+ }
+
+ 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",
+ isCancelDisabled = false,
+ thumbnailMaxSize = -1,
+ options = {
+ log: null,
+ 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",
+ drop: "qq-upload-drop-area-selector",
+ list: "qq-upload-list-selector",
+ progressBarContainer: "qq-progress-bar-container-selector",
+ progressBar: "qq-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",
+ 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;
+
+ /**
+ * 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
+ */
+ function parseAndGetTemplate() {
+ var scriptEl,
+ scriptHtml,
+ fileListNode,
+ tempTemplateEl,
+ fileListHtml,
+ defaultButton,
+ dropArea,
+ thumbnail,
+ dropProcessing;
+
+ 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));
+
+ // Don't include the default template button in the DOM
+ // if an alternate button container has been specified.
+ if (options.button) {
+ defaultButton = qq(tempTemplateEl).getByClass(selectorClasses.button)[0];
+ 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).getByClass(selectorClasses.dropProcessing)[0];
+ if (dropProcessing) {
+ qq(dropProcessing).remove();
+ }
+
+ }
+
+ dropArea = qq(tempTemplateEl).getByClass(selectorClasses.drop)[0];
+
+ // If DnD is not available then remove
+ // it from the DOM as well.
+ if (dropArea && !qq.DragAndDrop) {
+ qq.log("DnD module unavailable.", "info");
+ qq(dropArea).remove();
+ }
+
+ // 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)
+ if (dropArea && !qq.supportedFeatures.fileDrop &&
+ qq(dropArea).hasAttribute(HIDE_DROPZONE_ATTR)) {
+
+ qq(dropArea).css({
+ display: "none"
+ });
+ }
+
+ // 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).getByClass(selectorClasses.thumbnail)[0];
+ 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).getByClass(selectorClasses.list)[0];
+ /*jshint -W116*/
+ if (fileListNode == null) {
+ throw new Error("Could not find the file list container in the template!");
+ }
+
+ fileListHtml = fileListNode.innerHTML;
+ fileListNode.innerHTML = "";
+
+ log("Template parsing complete");
+
+ return {
+ template: qq.trimStr(tempTemplateEl.innerHTML),
+ fileTemplate: qq.trimStr(fileListHtml)
+ };
+ }
+
+ function getFile(id) {
+ return qq(fileList).getByClass(FILE_CLASS_PREFIX + id)[0];
+ }
+
+ function getTemplateEl(context, cssClass) {
+ return qq(context).getByClass(cssClass)[0];
+ }
+
+ function prependFile(el, index) {
+ var parentEl = fileList,
+ beforeEl = parentEl.firstChild;
+
+ if (index > 0) {
+ beforeEl = qq(parentEl).children()[index].nextSibling;
+
+ }
+
+ parentEl.insertBefore(el, beforeEl);
+ }
+
+ function getCancel(id) {
+ return getTemplateEl(getFile(id), selectorClasses.cancel);
+ }
+
+ function getPause(id) {
+ return getTemplateEl(getFile(id), selectorClasses.pause);
+ }
+
+ function getContinue(id) {
+ return getTemplateEl(getFile(id), selectorClasses.continueButton);
+ }
+
+ function getProgress(id) {
+ return getTemplateEl(getFile(id), selectorClasses.progressBarContainer) ||
+ getTemplateEl(getFile(id), selectorClasses.progressBar);
+ }
+
+ function getSpinner(id) {
+ return getTemplateEl(getFile(id), selectorClasses.spinner);
+ }
+
+ function getEditIcon(id) {
+ return getTemplateEl(getFile(id), selectorClasses.editNameIcon);
+ }
+
+ function getSize(id) {
+ return getTemplateEl(getFile(id), selectorClasses.size);
+ }
+
+ function getDelete(id) {
+ return getTemplateEl(getFile(id), selectorClasses.deleteButton);
+ }
+
+ function getRetry(id) {
+ return getTemplateEl(getFile(id), selectorClasses.retry);
+ }
+
+ function getFilename(id) {
+ return getTemplateEl(getFile(id), selectorClasses.file);
+ }
+
+ function getDropProcessing() {
+ return getTemplateEl(container, selectorClasses.dropProcessing);
+ }
+
+ function getThumbnail(id) {
+ return showThumbnails && getTemplateEl(getFile(id), selectorClasses.thumbnail);
+ }
+
+ function hide(el) {
+ el && qq(el).addClass(options.classes.hide);
+ }
+
+ function show(el) {
+ el && qq(el).removeClass(options.classes.hide);
+ }
+
+ function setProgressBarWidth(id, percent) {
+ var bar = getProgress(id);
+
+ if (bar && !qq(bar).hasClass(selectorClasses.progressBar)) {
+ bar = qq(bar).getByClass(selectorClasses.progressBar)[0];
+ }
+
+ bar && qq(bar).css({width: percent + "%"});
+ }
+
+ // 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.
+ function cacheThumbnailPlaceholders() {
+ 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.
+ function displayWaitingImg(thumbnail) {
+ cachedWaitingForThumbnailImg.then(function(img) {
+ maybeScalePlaceholderViaCss(img, thumbnail);
+ /* jshint eqnull:true */
+ if (thumbnail.getAttribute("src") == null) {
+ thumbnail.src = img.src;
+ show(thumbnail);
+ }
+ }, function() {
+ // In some browsers (such as IE9 and older) an img w/out a src attribute
+ // are displayed as "broken" images, so we sohuld just hide the img tag
+ // if we aren't going to display the "waiting" placeholder.
+ hide(thumbnail);
+ });
+ }
+
+ // 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.
+ function maybeSetDisplayNotAvailableImg(id, thumbnail) {
+ var previewing = previewGeneration[id] || new qq.Promise().failure();
+
+ cachedThumbnailNotAvailableImg.then(function(img) {
+ previewing.then(
+ function() {
+ delete previewGeneration[id];
+ },
+ function() {
+ maybeScalePlaceholderViaCss(img, thumbnail);
+ thumbnail.src = img.src;
+ show(thumbnail);
+ delete previewGeneration[id];
+ }
+ );
+ });
+ }
+
+ // 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.
+ function maybeScalePlaceholderViaCss(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
+ });
+ }
+ }
+
+
+ qq.extend(options, spec);
+ log = options.log;
+
+ container = options.containerEl;
+ showThumbnails = options.imageGenerator !== undefined;
+ templateHtml = parseAndGetTemplate();
+
+ cacheThumbnailPlaceholders();
+
+ qq.extend(this, {
+ render: function() {
+ log("Rendering template in DOM.");
+
+ container.innerHTML = templateHtml.template;
+ hide(getDropProcessing());
+ 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) {
+ var fileEl = qq.toElement(templateHtml.fileTemplate),
+ fileNameEl = getTemplateEl(fileEl, selectorClasses.file);
+
+ qq(fileEl).addClass(FILE_CLASS_PREFIX + id);
+ fileNameEl && qq(fileNameEl).setText(name);
+ fileEl.setAttribute(FILE_ID_ATTR, id);
+
+ if (prependInfo) {
+ prependFile(fileEl, prependInfo.index);
+ }
+ else {
+ fileList.appendChild(fileEl);
+ }
+
+ hide(getProgress(id));
+ hide(getSize(id));
+ hide(getDelete(id));
+ hide(getRetry(id));
+ hide(getPause(id));
+ hide(getContinue(id));
+
+ if (isCancelDisabled) {
+ this.hideCancel(id);
+ }
+ },
+
+ 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 filename = getFilename(id);
+
+ filename && qq(filename).setText(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;
+ },
+
+ isRetryPossible: function() {
+ return isRetryElementExist;
+ },
+
+ getFileContainer: function(id) {
+ return getFile(id);
+ },
+
+ showEditIcon: function(id) {
+ var icon = getEditIcon(id);
+
+ icon && qq(icon).addClass(options.classes.editable);
+ },
+
+ hideEditIcon: function(id) {
+ var icon = getEditIcon(id);
+
+ icon && qq(icon).removeClass(options.classes.editable);
+ },
+
+ isEditIcon: function(el) {
+ return qq(el).hasClass(selectorClasses.editNameIcon);
+ },
+
+ getEditInput: function(id) {
+ return getTemplateEl(getFile(id), selectorClasses.editFilenameInput);
+ },
+
+ isEditInput: function(el) {
+ return qq(el).hasClass(selectorClasses.editFilenameInput);
+ },
+
+ updateProgress: function(id, loaded, total) {
+ var bar = getProgress(id),
+ percent;
+
+ if (bar) {
+ percent = Math.round(loaded / total * 100);
+
+ if (loaded === total) {
+ hide(bar);
+ }
+ else {
+ show(bar);
+ }
+
+ setProgressBarWidth(id, percent);
+ }
+ },
+
+ hideProgress: function(id) {
+ var bar = getProgress(id);
+
+ bar && hide(bar);
+ },
+
+ resetProgress: function(id) {
+ setProgressBarWidth(id, 0);
+ },
+
+ 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);
+ },
+
+ 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);
+ },
+
+ isContinueButton: function(el) {
+ return qq(el).hasClass(selectorClasses.continueButton);
+ },
+
+ 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);
+ },
+
+ isRetry: function(el) {
+ return qq(el).hasClass(selectorClasses.retry);
+ },
+
+ 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) {
+ hide(getSpinner(id));
+ },
+
+ showSpinner: function(id) {
+ show(getSpinner(id));
+ },
+
+ generatePreview: function(id, fileOrBlob) {
+ var thumbnail = getThumbnail(id),
+ spec = {
+ maxSize: thumbnailMaxSize,
+ scale: true,
+ orient: true
+ };
+
+ if (qq.supportedFeatures.imagePreviews) {
+ previewGeneration[id] = new qq.Promise();
+
+ if (thumbnail) {
+ displayWaitingImg(thumbnail);
+ return options.imageGenerator.generate(fileOrBlob, thumbnail, spec).then(
+ function() {
+ 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);
+ }
+ });
+ }
+ }
+ else if (thumbnail) {
+ displayWaitingImg(thumbnail);
+ }
+ },
+
+ updateThumbnail: function(id, thumbnailUrl, showWaitingImg) {
+ var thumbnail = getThumbnail(id),
+ spec = {
+ maxSize: thumbnailMaxSize,
+ scale: serverScale
+ };
+
+ if (thumbnail) {
+ if (thumbnailUrl) {
+ if (showWaitingImg) {
+ displayWaitingImg(thumbnail);
+ }
+
+ return options.imageGenerator.generate(thumbnailUrl, thumbnail, spec).then(
+ function() {
+ show(thumbnail);
+ },
+ function() {
+ maybeSetDisplayNotAvailableImg(id, thumbnail);
+ }
+ );
+ }
+ else {
+ maybeSetDisplayNotAvailableImg(id, thumbnail);
+ }
+ }
+ }
+ });
+};
+
+/*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.UploadHandlerForm = function(options, proxy) {
+ "use strict";
+
+ var fileState = [],
+ uploadCompleteCallback = proxy.onUploadComplete,
+ onUuidChanged = proxy.onUuidChanged,
+ getName = proxy.getName,
+ getUuid = proxy.getUuid,
+ uploadComplete = uploadCompleteCallback,
+ log = proxy.log,
+ internalApi = {};
+
+
+ /**
+ * Returns json object received by iframe from server.
+ */
+ function getIframeContentJson(id, iframe) {
+ /*jshint evil: true*/
+
+ var response;
+
+ //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
+ var 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 = internalApi.parseJsonResponse(id, 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.getParams(id),
+ method = options.demoMode ? "GET" : "POST",
+ endpoint = options.endpointStore.getEndpoint(id),
+ name = getName(id);
+
+ params[options.uuidName] = getUuid(id);
+ params[options.filenameParam] = name;
+
+ return internalApi.initFormForUpload({
+ method: method,
+ endpoint: endpoint,
+ params: params,
+ paramsInBody: options.paramsInBody,
+ targetName: iframe.name
+ });
+ }
+
+ qq.extend(this, new qq.UploadHandlerFormApi(internalApi,
+ {fileState: fileState, isCors: options.cors.expected, inputName: options.inputName},
+ {onCancel: options.onCancel, onUuidChanged: onUuidChanged, getName: getName, getUuid: getUuid, log: log}));
+
+ qq.extend(this, {
+ upload: function(id) {
+ var input = fileState[id].input,
+ fileName = getName(id),
+ iframe = internalApi.createIframe(id),
+ form;
+
+ if (!input){
+ throw new Error("file with passed id was not added, or already uploaded or canceled");
+ }
+
+ options.onUpload(id, getName(id));
+
+ form = createForm(id, iframe);
+ form.appendChild(input);
+
+ internalApi.attachLoadEvent(iframe, function(responseFromMessage){
+ log("iframe loaded");
+
+ var response = responseFromMessage ? responseFromMessage : getIframeContentJson(id, iframe);
+
+ internalApi.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) {
+ if (options.onAutoRetry(id, fileName, response)) {
+ return;
+ }
+ }
+ options.onComplete(id, fileName, response);
+ uploadComplete(id);
+ });
+
+ log("Sending upload request for " + id);
+ form.submit();
+ qq(form).remove();
+ }
+ });
+};
+
+/*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.UploadHandlerXhr = function(spec, proxy) {
+ "use strict";
+
+ var uploadComplete = proxy.onUploadComplete,
+ onUuidChanged = proxy.onUuidChanged,
+ getName = proxy.getName,
+ getUuid = proxy.getUuid,
+ getSize = proxy.getSize,
+ log = proxy.log,
+ fileState = [],
+ cookieItemDelimiter = "|",
+ chunkFiles = spec.chunking.enabled && qq.supportedFeatures.chunking,
+ resumeEnabled = spec.resume.enabled && chunkFiles && qq.supportedFeatures.resume,
+ multipart = spec.forceMultipart || spec.paramsInBody,
+ internalApi = {},
+ publicApi = this,
+ resumeId;
+
+ function getResumeId() {
+ if (spec.resume.id !== null &&
+ spec.resume.id !== undefined &&
+ !qq.isFunction(spec.resume.id) &&
+ !qq.isObject(spec.resume.id)) {
+
+ return spec.resume.id;
+ }
+ }
+
+ resumeId = getResumeId();
+
+ function addChunkingSpecificParams(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;
+ }
+ }
+
+ function addResumeSpecificParams(params) {
+ params[spec.resume.paramNames.resuming] = true;
+ }
+
+ function getChunk(fileOrBlob, startByte, endByte) {
+ if (fileOrBlob.slice) {
+ return fileOrBlob.slice(startByte, endByte);
+ }
+ else if (fileOrBlob.mozSlice) {
+ return fileOrBlob.mozSlice(startByte, endByte);
+ }
+ else if (fileOrBlob.webkitSlice) {
+ return fileOrBlob.webkitSlice(startByte, endByte);
+ }
+ }
+
+ function setParamsAndGetEntityToSend(params, xhr, fileOrBlob, id) {
+ var formData = new FormData(),
+ method = spec.demoMode ? "GET" : "POST",
+ endpoint = spec.endpointStore.getEndpoint(id),
+ url = endpoint,
+ 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;
+ }
+ url = qq.obj2url(params, endpoint);
+ }
+
+ xhr.open(method, url, 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;
+ }
+
+ function setHeaders(id, xhr) {
+ var extraHeaders = spec.customHeaders,
+ fileOrBlob = fileState[id].file || fileState[id].blobData.blob;
+
+ 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);
+ });
+ }
+
+ function handleCompletedItem(id, response, xhr) {
+ var name = getName(id),
+ size = getSize(id);
+
+ fileState[id].attemptingResume = false;
+
+ spec.onProgress(id, name, size, size);
+ spec.onComplete(id, name, response, xhr);
+
+ if (fileState[id]) {
+ delete fileState[id].xhr;
+ }
+
+ uploadComplete(id);
+ }
+
+ function uploadNextChunk(id) {
+ var chunkIdx = fileState[id].remainingChunkIdxs[0],
+ chunkData = internalApi.getChunkData(id, chunkIdx),
+ xhr = internalApi.createXhr(id),
+ size = getSize(id),
+ name = getName(id),
+ toSend, params;
+
+ if (fileState[id].loaded === undefined) {
+ fileState[id].loaded = 0;
+ }
+
+ if (resumeEnabled && fileState[id].file) {
+ persistChunkData(id, chunkData);
+ }
+
+ xhr.onreadystatechange = getReadyStateChangeHandler(id, xhr);
+
+ xhr.upload.onprogress = function(e) {
+ if (e.lengthComputable) {
+ var totalLoaded = e.loaded + fileState[id].loaded,
+ estTotalRequestsSize = calcAllRequestsSizeForChunkedUpload(id, chunkIdx, e.total);
+
+ spec.onProgress(id, name, totalLoaded, estTotalRequestsSize);
+ }
+ };
+
+ spec.onUploadChunk(id, name, internalApi.getChunkDataForCallback(chunkData));
+
+ params = spec.paramsStore.getParams(id);
+ addChunkingSpecificParams(id, params, chunkData);
+
+ if (fileState[id].attemptingResume) {
+ addResumeSpecificParams(params);
+ }
+
+ toSend = setParamsAndGetEntityToSend(params, xhr, chunkData.blob, id);
+ setHeaders(id, xhr);
+
+ log("Sending chunked upload request for item " + id + ": bytes " + (chunkData.start+1) + "-" + chunkData.end + " of " + size);
+ xhr.send(toSend);
+ }
+
+ function calcAllRequestsSizeForChunkedUpload(id, chunkIdx, requestSize) {
+ var chunkData = internalApi.getChunkData(id, chunkIdx),
+ blobSize = chunkData.size,
+ overhead = requestSize - blobSize,
+ size = getSize(id),
+ chunkCount = chunkData.count,
+ initialRequestOverhead = fileState[id].initialRequestOverhead,
+ overheadDiff = overhead - initialRequestOverhead;
+
+ fileState[id].lastRequestOverhead = overhead;
+
+ if (chunkIdx === 0) {
+ fileState[id].lastChunkIdxProgress = 0;
+ fileState[id].initialRequestOverhead = overhead;
+ fileState[id].estTotalRequestsSize = size + (chunkCount * overhead);
+ }
+ else if (fileState[id].lastChunkIdxProgress !== chunkIdx) {
+ fileState[id].lastChunkIdxProgress = chunkIdx;
+ fileState[id].estTotalRequestsSize += overheadDiff;
+ }
+
+ return fileState[id].estTotalRequestsSize;
+ }
+
+ function getLastRequestOverhead(id) {
+ if (multipart) {
+ return fileState[id].lastRequestOverhead;
+ }
+ else {
+ return 0;
+ }
+ }
+
+ function handleSuccessfullyCompletedChunk(id, response, xhr) {
+ var chunkIdx = fileState[id].remainingChunkIdxs.shift(),
+ chunkData = internalApi.getChunkData(id, chunkIdx);
+
+ fileState[id].attemptingResume = false;
+ fileState[id].loaded += chunkData.size + getLastRequestOverhead(id);
+
+ spec.onUploadChunkSuccess(id, internalApi.getChunkDataForCallback(chunkData), response, xhr);
+
+ if (fileState[id].remainingChunkIdxs.length > 0) {
+ uploadNextChunk(id);
+ }
+ else {
+ if (resumeEnabled) {
+ deletePersistedChunkData(id);
+ }
+
+ handleCompletedItem(id, response, xhr);
+ }
+ }
+
+ function isErrorResponse(xhr, response) {
+ return xhr.status !== 200 || !response.success || response.reset;
+ }
+
+ function parseResponse(id, xhr) {
+ var response;
+
+ try {
+ log(qq.format("Received response status {} with body: {}", xhr.status, xhr.responseText));
+
+ response = qq.parseJson(xhr.responseText);
+
+ if (response.newUuid !== undefined) {
+ onUuidChanged(id, response.newUuid);
+ }
+ }
+ catch(error) {
+ log("Error when attempting to parse xhr response text (" + error.message + ")", "error");
+ response = {};
+ }
+
+ return response;
+ }
+
+ function handleResetResponse(id) {
+ log("Server has ordered chunking effort to be restarted on next attempt for item ID " + id, "error");
+
+ if (resumeEnabled) {
+ deletePersistedChunkData(id);
+ fileState[id].attemptingResume = false;
+ }
+
+ fileState[id].remainingChunkIdxs = [];
+ delete fileState[id].loaded;
+ delete fileState[id].estTotalRequestsSize;
+ delete fileState[id].initialRequestOverhead;
+ }
+
+ function handleResetResponseOnResumeAttempt(id) {
+ fileState[id].attemptingResume = false;
+ log("Server has declared that it cannot handle resume for item ID " + id + " - starting from the first chunk", "error");
+ handleResetResponse(id);
+ publicApi.upload(id, true);
+ }
+
+ function handleNonResetErrorResponse(id, response, xhr) {
+ var name = getName(id);
+
+ if (spec.onAutoRetry(id, name, response, xhr)) {
+ return;
+ }
+ else {
+ handleCompletedItem(id, response, xhr);
+ }
+ }
+
+ function onComplete(id, xhr) {
+ var state = fileState[id],
+ attemptingResume = state && state.attemptingResume,
+ paused = state && state.paused,
+ response;
+
+ // The logic in this function targets uploads that have not been paused or canceled,
+ // so return at once if this is not the case.
+ if (!state || paused) {
+ return;
+ }
+
+ log("xhr - server response received for " + id);
+ log("responseText = " + xhr.responseText);
+ response = parseResponse(id, xhr);
+
+ if (isErrorResponse(xhr, response)) {
+ if (response.reset) {
+ handleResetResponse(id);
+ }
+
+ if (attemptingResume && response.reset) {
+ handleResetResponseOnResumeAttempt(id);
+ }
+ else {
+ handleNonResetErrorResponse(id, response, xhr);
+ }
+ }
+ else if (chunkFiles) {
+ handleSuccessfullyCompletedChunk(id, response, xhr);
+ }
+ else {
+ handleCompletedItem(id, response, xhr);
+ }
+ }
+
+ function getReadyStateChangeHandler(id, xhr) {
+ return function() {
+ if (xhr.readyState === 4) {
+ onComplete(id, xhr);
+ }
+ };
+ }
+
+ function persistChunkData(id, chunkData) {
+ var fileUuid = getUuid(id),
+ lastByteSent = fileState[id].loaded,
+ initialRequestOverhead = fileState[id].initialRequestOverhead,
+ estTotalRequestsSize = fileState[id].estTotalRequestsSize,
+ cookieName = getChunkDataCookieName(id),
+ cookieValue = fileUuid +
+ cookieItemDelimiter + chunkData.part +
+ cookieItemDelimiter + lastByteSent +
+ cookieItemDelimiter + initialRequestOverhead +
+ cookieItemDelimiter + estTotalRequestsSize,
+ cookieExpDays = spec.resume.cookiesExpireIn;
+
+ qq.setCookie(cookieName, cookieValue, cookieExpDays);
+ }
+
+ function deletePersistedChunkData(id) {
+ if (fileState[id].file) {
+ var cookieName = getChunkDataCookieName(id);
+ qq.deleteCookie(cookieName);
+ }
+ }
+
+ function getPersistedChunkData(id) {
+ var chunkCookieValue = qq.getCookie(getChunkDataCookieName(id)),
+ filename = getName(id),
+ sections, uuid, partIndex, lastByteSent, initialRequestOverhead, estTotalRequestsSize;
+
+ if (chunkCookieValue) {
+ sections = chunkCookieValue.split(cookieItemDelimiter);
+
+ if (sections.length === 5) {
+ uuid = sections[0];
+ partIndex = parseInt(sections[1], 10);
+ lastByteSent = parseInt(sections[2], 10);
+ initialRequestOverhead = parseInt(sections[3], 10);
+ estTotalRequestsSize = parseInt(sections[4], 10);
+
+ return {
+ uuid: uuid,
+ part: partIndex,
+ lastByteSent: lastByteSent,
+ initialRequestOverhead: initialRequestOverhead,
+ estTotalRequestsSize: estTotalRequestsSize
+ };
+ }
+ else {
+ log("Ignoring previously stored resume/chunk cookie for " + filename + " - old cookie format", "warn");
+ }
+ }
+ }
+
+ function getChunkDataCookieName(id) {
+ var filename = getName(id),
+ fileSize = getSize(id),
+ maxChunkSize = spec.chunking.partSize,
+ cookieName;
+
+ cookieName = "qqfilechunk" + cookieItemDelimiter + encodeURIComponent(filename) + cookieItemDelimiter + fileSize + cookieItemDelimiter + maxChunkSize;
+
+ if (resumeId !== undefined) {
+ cookieName += cookieItemDelimiter + resumeId;
+ }
+
+ return cookieName;
+ }
+
+ function calculateRemainingChunkIdxsAndUpload(id, firstChunkIndex) {
+ var currentChunkIndex;
+
+ for (currentChunkIndex = internalApi.getTotalChunks(id)-1; currentChunkIndex >= firstChunkIndex; currentChunkIndex-=1) {
+ fileState[id].remainingChunkIdxs.unshift(currentChunkIndex);
+ }
+
+ uploadNextChunk(id);
+ }
+
+ function onResumeSuccess(id, name, firstChunkIndex, persistedChunkInfoForResume) {
+ firstChunkIndex = persistedChunkInfoForResume.part;
+ fileState[id].loaded = persistedChunkInfoForResume.lastByteSent;
+ fileState[id].estTotalRequestsSize = persistedChunkInfoForResume.estTotalRequestsSize;
+ fileState[id].initialRequestOverhead = persistedChunkInfoForResume.initialRequestOverhead;
+ fileState[id].attemptingResume = true;
+ log("Resuming " + name + " at partition index " + firstChunkIndex);
+
+ calculateRemainingChunkIdxsAndUpload(id, firstChunkIndex);
+ }
+
+ function handlePossibleResumeAttempt(id, persistedChunkInfoForResume, firstChunkIndex) {
+ var name = getName(id),
+ firstChunkDataForResume = internalApi.getChunkData(id, persistedChunkInfoForResume.part),
+ onResumeRetVal;
+
+ onResumeRetVal = spec.onResume(id, name, internalApi.getChunkDataForCallback(firstChunkDataForResume));
+ if (onResumeRetVal instanceof qq.Promise) {
+ log("Waiting for onResume promise to be fulfilled for " + id);
+ onResumeRetVal.then(
+ function() {
+ onResumeSuccess(id, name, firstChunkIndex, persistedChunkInfoForResume);
+ },
+ function() {
+ log("onResume promise fulfilled - failure indicated. Will not resume.");
+ calculateRemainingChunkIdxsAndUpload(id, firstChunkIndex);
+ }
+ );
+ }
+ else if (onResumeRetVal !== false) {
+ onResumeSuccess(id, name, firstChunkIndex, persistedChunkInfoForResume);
+ }
+ else {
+ log("onResume callback returned false. Will not resume.");
+ calculateRemainingChunkIdxsAndUpload(id, firstChunkIndex);
+ }
+ }
+
+ function handleFileChunkingUpload(id, retry) {
+ var firstChunkIndex = 0,
+ persistedChunkInfoForResume;
+
+ if (!fileState[id].remainingChunkIdxs || fileState[id].remainingChunkIdxs.length === 0) {
+ fileState[id].remainingChunkIdxs = [];
+
+ if (resumeEnabled && !retry && fileState[id].file) {
+ persistedChunkInfoForResume = getPersistedChunkData(id);
+ if (persistedChunkInfoForResume) {
+ handlePossibleResumeAttempt(id, persistedChunkInfoForResume, firstChunkIndex);
+ }
+ else {
+ calculateRemainingChunkIdxsAndUpload(id, firstChunkIndex);
+ }
+ }
+ else {
+ calculateRemainingChunkIdxsAndUpload(id, firstChunkIndex);
+ }
+ }
+ else {
+ uploadNextChunk(id);
+ }
+ }
+
+ function handleStandardFileUpload(id) {
+ var fileOrBlob = fileState[id].file || fileState[id].blobData.blob,
+ name = getName(id),
+ xhr, params, toSend;
+
+ fileState[id].loaded = 0;
+
+ xhr = internalApi.createXhr(id);
+
+ xhr.upload.onprogress = function(e){
+ if (e.lengthComputable){
+ fileState[id].loaded = e.loaded;
+ spec.onProgress(id, name, e.loaded, e.total);
+ }
+ };
+
+ xhr.onreadystatechange = getReadyStateChangeHandler(id, xhr);
+
+ params = spec.paramsStore.getParams(id);
+ toSend = setParamsAndGetEntityToSend(params, xhr, fileOrBlob, id);
+ setHeaders(id, xhr);
+
+ log("Sending upload request for " + id);
+ xhr.send(toSend);
+ }
+
+ function handleUploadSignal(id, retry) {
+ var name = getName(id);
+
+ if (publicApi.isValid(id)) {
+ spec.onUpload(id, name);
+
+ if (chunkFiles) {
+ handleFileChunkingUpload(id, retry);
+ }
+ else {
+ handleStandardFileUpload(id);
+ }
+ }
+ }
+
+
+ qq.extend(this, new qq.UploadHandlerXhrApi(
+ internalApi,
+ {fileState: fileState, chunking: chunkFiles ? spec.chunking : null},
+ {onUpload: handleUploadSignal, onCancel: spec.onCancel, onUuidChanged: onUuidChanged, getName: getName,
+ getSize: getSize, getUuid: getUuid, log: log}
+ ));
+
+ // Base XHR API overrides
+ qq.override(this, function(super_) {
+ return {
+ add: function(id, fileOrBlobData) {
+ var persistedChunkData;
+
+ super_.add.apply(this, arguments);
+
+ if (resumeEnabled) {
+ persistedChunkData = getPersistedChunkData(id);
+
+ if (persistedChunkData) {
+ onUuidChanged(id, persistedChunkData.uuid);
+ }
+ }
+
+ return id;
+ },
+
+ getResumableFilesData: function() {
+ var matchingCookieNames = [],
+ resumableFilesData = [];
+
+ if (chunkFiles && resumeEnabled) {
+ if (resumeId === undefined) {
+ matchingCookieNames = qq.getCookieNames(new RegExp("^qqfilechunk\\" + cookieItemDelimiter + ".+\\" +
+ cookieItemDelimiter + "\\d+\\" + cookieItemDelimiter + spec.chunking.partSize + "="));
+ }
+ else {
+ matchingCookieNames = qq.getCookieNames(new RegExp("^qqfilechunk\\" + cookieItemDelimiter + ".+\\" +
+ cookieItemDelimiter + "\\d+\\" + cookieItemDelimiter + spec.chunking.partSize + "\\" +
+ cookieItemDelimiter + resumeId + "="));
+ }
+
+ qq.each(matchingCookieNames, function(idx, cookieName) {
+ var cookiesNameParts = cookieName.split(cookieItemDelimiter);
+ var cookieValueParts = qq.getCookie(cookieName).split(cookieItemDelimiter);
+
+ resumableFilesData.push({
+ name: decodeURIComponent(cookiesNameParts[1]),
+ size: cookiesNameParts[2],
+ uuid: cookieValueParts[0],
+ partIdx: cookieValueParts[1]
+ });
+ });
+
+ return resumableFilesData;
+ }
+ return [];
+ },
+
+ expunge: function(id) {
+ if (resumeEnabled) {
+ deletePersistedChunkData(id);
+ }
+
+ super_.expunge(id);
+ }
+ };
+ });
+};
+
+/*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() {
+ 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 dirReader,
+ parseEntryPromise = new qq.Promise();
+
+ if (entry.isFile) {
+ entry.file(function(file) {
+ 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) {
+ dirReader = entry.createReader();
+ dirReader.readEntries(function(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(fileError) {
+ options.callbacks.dropLog("Problem parsing '" + entry.fullPath + "'. FileError code " + fileError.code + ".", "error");
+ parseEntryPromise.failure();
+ });
+ }
+
+ return parseEntryPromise;
+ }
+
+ 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).done(function() {
+ uploadDroppedFiles(droppedFiles, dropZone);
+ });
+ }
+ });
+
+ 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;
+ }
+
+ function leavingDocumentOut(e) {
+ /* jshint -W041, eqeqeq:false */
+ // null coords for Chrome and Safari Windows
+ return ((qq.chrome() || (qq.safari() && qq.windows())) && e.clientX == 0 && e.clientY == 0) ||
+ // null e.relatedTarget for Firefox
+ (qq.firefox() && !e.relatedTarget);
+ }
+
+ function setupDragDrop() {
+ var dropZones = options.dropZoneElements;
+
+ 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.ie() || qq.ie10())) {
+ 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
+ if (dropZone instanceof HTMLElement) {
+ qq(dropZone).css({display: "block"});
+ }
+ });
+ }
+ });
+ }
+ });
+
+ disposeSupport.attach(document, "dragleave", function(e) {
+ if (leavingDocumentOut(e)) {
+ qq.each(dropZones, function(idx, dropZone) {
+ qq(dropZone).hasAttribute(HIDE_BEFORE_ENTER_ATTR) && qq(dropZone).hide();
+ });
+ }
+ });
+
+ disposeSupport.attach(document, "drop", function(e){
+ qq.each(dropZones, function(idx, dropZone) {
+ qq(dropZone).hasAttribute(HIDE_BEFORE_ENTER_ATTR) && qq(dropZone).hide();
+ });
+ e.preventDefault();
+ });
+
+ disposeSupport.attach(document, HIDE_ZONES_EVENT_NAME, function(e) {
+ qq.each(options.dropZoneElements, function(idx, zone) {
+ qq(zone).hasAttribute(HIDE_BEFORE_ENTER_ATTR) && qq(zone).hide();
+ qq(zone).removeClass(options.classes.dropActive);
+ });
+ });
+ }
+
+ 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 dragover_should_be_canceled(){
+ 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 (dragover_should_be_canceled){
+ 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.ie() && !qq.ie10()) {
+ 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 IE11 when files have been dragged from
+ // the filesystem
+ effectTest = (qq.ie10() || qq.ie11()) ? 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 IE11 when files have been dragged from
+ // the filesystem
+ var effect = (qq.ie() || qq.ie11()) ? 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: {},
+ paramsStore: {},
+ demoMode: false,
+ 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 = new qq.AjaxRequester({
+ validMethods: ["POST", "DELETE"],
+ method: options.method,
+ endpointStore: options.endpointStore,
+ paramsStore: options.paramsStore,
+ mandatedParams: getMandatedParams(),
+ maxConnections: options.maxConnections,
+ customHeaders: options.customHeaders,
+ demoMode: options.demoMode,
+ 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 Safari
+ *
+ * Fixes iOS6 Safari'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
+ */
+(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;
+ if (iw * ih > 1024 * 1024) { // subsampling may happen over megapixel image
+ var canvas = document.createElement('canvas');
+ canvas.width = canvas.height = 1;
+ var 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');
+ canvas.width = 1;
+ canvas.height = ih;
+ var ctx = canvas.getContext('2d');
+ ctx.drawImage(img, 0, 0);
+ var data = ctx.getImageData(0, 0, 1, ih).data;
+ // search image edge pixel position in case it is squashed vertically.
+ var sy = 0;
+ var ey = ih;
+ var py = ih;
+ while (py > sy) {
+ var alpha = data[(py - 1) * 4 + 3];
+ if (alpha === 0) {
+ ey = py;
+ } else {
+ sy = py;
+ }
+ py = (ey + sy) >> 1;
+ }
+ var ratio = (py / ih);
+ return (ratio===0)?1:ratio;
+ }
+
+ /**
+ * Rendering image element (with resizing) and get its data URL
+ */
+ function renderImageToDataURL(img, options, doSquash) {
+ var canvas = document.createElement('canvas'),
+ mime = options.mime || "image/jpeg";
+
+ renderImageToCanvas(img, canvas, options, doSquash);
+ return canvas.toDataURL(mime, options.quality || 0.8);
+ }
+
+ /**
+ * Rendering image element (with resizing) into the canvas element
+ */
+ function renderImageToCanvas(img, canvas, options, doSquash) {
+ var iw = img.naturalWidth, ih = img.naturalHeight;
+ var width = options.width, height = options.height;
+ var ctx = canvas.getContext('2d');
+ ctx.save();
+ 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()) {
+ var subsampled = detectSubsampling(img);
+ if (subsampled) {
+ iw /= 2;
+ ih /= 2;
+ }
+ var d = 1024; // size of tiling canvas
+ var tmpCanvas = document.createElement('canvas');
+ tmpCanvas.width = tmpCanvas.height = d;
+ var tmpCtx = tmpCanvas.getContext('2d');
+ var vertSquashRatio = doSquash ? detectVerticalSquash(img, iw, ih) : 1;
+ var dw = Math.ceil(d * width / iw);
+ var dh = Math.ceil(d * height / ih / vertSquashRatio);
+ var sy = 0;
+ var dy = 0;
+ while (sy < ih) {
+ var sx = 0;
+ var 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);
+ }
+ }
+
+ /**
+ * 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) {
+ if (window.Blob && srcImage instanceof Blob) {
+ var img = new Image();
+ var 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);
+ this.blob = srcImage;
+ srcImage = img;
+ }
+ if (!srcImage.naturalWidth && !srcImage.naturalHeight) {
+ var _this = this;
+ srcImage.onload = function() {
+ var listeners = _this.imageLoadListeners;
+ if (listeners) {
+ _this.imageLoadListeners = null;
+ for (var i=0, len=listeners.length; i<len; i++) {
+ listeners[i]();
+ }
+ }
+ };
+ srcImage.onerror = errorCallback;
+ this.imageLoadListeners = [];
+ }
+ this.srcImage = srcImage;
+ }
+
+ /**
+ * Rendering megapix image into specified target element
+ */
+ MegaPixImage.prototype.render = function(target, options) {
+ if (this.imageLoadListeners) {
+ var _this = this;
+ this.imageLoadListeners.push(function() { _this.render(target, options) });
+ return;
+ }
+ options = options || {};
+ var 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';
+ 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;
+ }
+ var opt = { width : width, height : height };
+ for (var k in options) opt[k] = options[k];
+
+ var tagName = target.tagName.toLowerCase();
+ if (tagName === 'img') {
+ target.src = renderImageToDataURL(this.srcImage, opt, doSquash);
+ } else if (tagName === 'canvas') {
+ renderImageToCanvas(this.srcImage, target, opt, doSquash);
+ }
+ if (typeof this.onrender === 'function') {
+ this.onrender(target);
+ }
+ };
+
+ /**
+ * Export class to global
+ */
+ if (typeof define === 'function' && define.amd) {
+ define([], function() { return MegaPixImage; }); // for AMD loader
+ } else {
+ this.MegaPixImage = MegaPixImage;
+ }
+
+})();
+
+/*globals qq, MegaPixImage */
+/**
+ * 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) {
+ var context = canvas.getContext("2d"),
+ oldDrawImage = context.drawImage;
+
+ // The image is drawn on the canvas by a third-party library,
+ // and we want to know when this happens so we can fulfill the associated promise.
+ context.drawImage = function() {
+ oldDrawImage.apply(this, arguments);
+ promise.success(canvas);
+ context.drawImage = oldDrawImage;
+ };
+ }
+
+ // 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,
+ 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) {
+ var exif = new qq.Exif(fileOrBlob, log),
+ mpImg = new MegaPixImage(fileOrBlob, megapixErrorHandler);
+
+ if (registerThumbnailRenderedListener(container, drawPreview)) {
+ exif.parse().then(
+ function(exif) {
+ var orientation = exif.Orientation;
+
+ mpImg.render(container, {
+ maxWidth: maxSize,
+ maxHeight: maxSize,
+ orientation: orientation,
+ mime: mime
+ });
+ },
+
+ function(failureMsg) {
+ log(qq.format("EXIF data could not be parsed ({}). Assuming orientation = 1.", failureMsg));
+
+ mpImg.render(container, {
+ maxWidth: maxSize,
+ maxHeight: maxSize,
+ mime: mime
+ });
+ }
+ );
+ }
+ },
+
+ function() {
+ log("Not previewable");
+ drawPreview.failure(container, "Not previewable");
+ }
+ );
+
+ return drawPreview;
+ }
+
+ function drawOnCanvasOrImgFromUrl(url, canvasOrImg, draw, maxSize) {
+ var tempImg = new Image(),
+ tempImgRender = new qq.Promise();
+
+ registerThumbnailRenderedListener(tempImg, tempImgRender);
+
+ if (isCrossOrigin(url)) {
+ tempImg.crossOrigin = "anonymous";
+ }
+
+ tempImg.src = url;
+
+ tempImgRender.then(function() {
+ registerThumbnailRenderedListener(canvasOrImg, draw);
+
+ var mpImg = new MegaPixImage(tempImg);
+ mpImg.render(canvasOrImg, {
+ maxWidth: maxSize,
+ maxHeight: maxSize,
+ mime: determineMimeOfFileName(url)
+ });
+ });
+ }
+
+ function drawOnImgFromUrlWithCssScaling(url, img, draw, maxSize) {
+ registerThumbnailRenderedListener(img, draw);
+ 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), and `resize` (bool)
+ * @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 || {});
+ }
+ }
+ });
+
+ /*<testing>*/
+ this._testing = {};
+ this._testing.isImg = isImg;
+ this._testing.isCanvas = isCanvas;
+ this._testing.isCrossOrigin = isCrossOrigin;
+ this._testing.determineMimeOfFileName = determineMimeOfFileName;
+ /*</testing>*/
+};
+
+/*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);
+ if (match) {
+ if (match[1] !== "1") {
+ var 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;
+ }
+ });
+
+ /*<testing>*/
+ this._testing = {};
+ this._testing.parseLittleEndian = parseLittleEndian;
+ /*</testing>*/
+};
+
+/*globals qq */
+qq.Identify = function(fileOrBlob, log) {
+ "use strict";
+
+ var PREVIEWABLE_MAGIC_BYTES = {
+ "image/jpeg": "ffd8ff",
+ "image/gif": "474946",
+ "image/png": "89504e",
+ "image/bmp": "424d",
+ "image/tiff": ["49492a00", "4d4d002a"]
+ };
+
+ 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, {
+ isPreviewable: function() {
+ var idenitifer = 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));
+
+ qq.readBlobToHex(fileOrBlob, 0, 4).then(function(hex) {
+ qq.each(PREVIEWABLE_MAGIC_BYTES, 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.safari()) {
+ previewable = true;
+ idenitifer.success(mime);
+ }
+
+ return false;
+ }
+ });
+
+ log(qq.format("'{}' is {} able to be rendered in this browser", name, previewable ? "" : "NOT"));
+
+ if (!previewable) {
+ idenitifer.failure();
+ }
+ });
+
+ return idenitifer;
+ }
+ });
+};
+
+/*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);
+ },
+ requsterOptions = qq.extend({}, options),
+ requester = new qq.SessionAjaxRequester(
+ qq.extend(requsterOptions, {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 = new qq.AjaxRequester({
+ validMethods: ["GET"],
+ method: "GET",
+ endpointStore: {
+ getEndpoint: 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);
+
+ // cache buster, particularly for IE & iOS
+ params.qqtimestamp = new Date().getTime();
+
+ options.log("Session query request.");
+
+ requester.initTransport("sessionRefresh")
+ .withParams(params)
+ .send();
+ }
+ });
+};
+
+/*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);
+ }
+ });
+};
+
+/*! 2014-01-19 */