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overleaf/services/web/public/js/libs/fineuploader.js

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/**
* http://github.com/Valums-File-Uploader/file-uploader
*
* Multiple file upload component with progress-bar, drag-and-drop, support for all modern browsers.
*
* Original version: 1.0 © 2010 Andrew Valums ( andrew(at)valums.com )
* Current Maintainer (2.0+): © 2012, Ray Nicholus ( fineuploader(at)garstasio.com )
*
* Licensed under MIT license, GNU GPL 2 or later, GNU LGPL 2 or later, see license.txt.
*/
/*globals window, navigator, document, FormData, File, HTMLInputElement, XMLHttpRequest, Blob*/
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) {
// 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) {
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+$/g, "");
return this;
},
getByClass: function(className) {
var candidates,
result = [];
if (element.querySelectorAll){
return element.querySelectorAll('.' + className);
}
candidates = element.getElementsByTagName("*");
qq.each(candidates, function(idx, val) {
if (qq(val).hasClass(className)){
result.push(val);
}
});
return result;
},
children: function() {
var children = [],
child = element.firstChild;
while (child){
if (child.nodeType === 1){
children.push(child);
}
child = child.nextSibling;
}
return children;
},
setText: function(text) {
element.innerText = text;
element.textContent = text;
return this;
},
clearText: function() {
return qq(element).setText("");
}
};
};
qq.log = function(message, level) {
"use strict";
if (window.console) {
if (!level || level === 'info') {
window.console.log(message);
}
else
{
if (window.console[level]) {
window.console[level](message);
}
else {
window.console.log('<' + level + '> ' + message);
}
}
}
};
qq.isObject = function(variable) {
"use strict";
return variable !== null && variable && typeof(variable) === "object" && variable.constructor === Object;
};
qq.isFunction = function(variable) {
"use strict";
return typeof(variable) === "function";
};
qq.trimStr = function(string) {
if (String.prototype.trim) {
return string.trim();
}
return string.replace(/^\s+|\s+$/g,'');
};
qq.isFileOrInput = function(maybeFileOrInput) {
"use strict";
if (qq.isBlob(maybeFileOrInput) && window.File && maybeFileOrInput instanceof File) {
return true;
}
else if (window.HTMLInputElement) {
if (maybeFileOrInput instanceof HTMLInputElement) {
if (maybeFileOrInput.type && maybeFileOrInput.type.toLowerCase() === 'file') {
return true;
}
}
}
else if (maybeFileOrInput.tagName) {
if (maybeFileOrInput.tagName.toLowerCase() === 'input') {
if (maybeFileOrInput.type && maybeFileOrInput.type.toLowerCase() === 'file') {
return true;
}
}
}
return false;
};
qq.isBlob = function(maybeBlob) {
"use strict";
return window.Blob && maybeBlob instanceof Blob;
};
qq.isXhrUploadSupported = function() {
"use strict";
var input = document.createElement('input');
input.type = 'file';
return (
input.multiple !== undefined &&
typeof File !== "undefined" &&
typeof FormData !== "undefined" &&
typeof (new XMLHttpRequest()).upload !== "undefined" );
};
qq.isFolderDropSupported = function(dataTransfer) {
"use strict";
return (dataTransfer.items && dataTransfer.items[0].webkitGetAsEntry);
};
qq.isFileChunkingSupported = function() {
"use strict";
return !qq.android() && //android's impl of Blob.slice is broken
qq.isXhrUploadSupported() &&
(File.prototype.slice || File.prototype.webkitSlice || File.prototype.mozSlice);
};
qq.extend = function (first, second, extendNested) {
"use strict";
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;
}
});
};
/**
* 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){
"use strict";
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(){
"use strict";
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(){
"use strict";
return navigator.userAgent.indexOf('MSIE') !== -1;
};
qq.ie10 = function(){
"use strict";
return navigator.userAgent.indexOf('MSIE 10') !== -1;
};
qq.safari = function(){
"use strict";
return navigator.vendor !== undefined && navigator.vendor.indexOf("Apple") !== -1;
};
qq.chrome = function(){
"use strict";
return navigator.vendor !== undefined && navigator.vendor.indexOf('Google') !== -1;
};
qq.firefox = function(){
"use strict";
return (navigator.userAgent.indexOf('Mozilla') !== -1 && navigator.vendor !== undefined && navigator.vendor === '');
};
qq.windows = function(){
"use strict";
return navigator.platform === "Win32";
};
qq.android = function(){
"use strict";
return navigator.userAgent.toLowerCase().indexOf('android') !== -1;
};
//
// Events
qq.preventDefault = function(e){
"use strict";
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(){
"use strict";
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 item in the object or array
qq.each = function(obj, callback) {
"use strict";
var key, retVal;
if (obj) {
for (key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
retVal = callback(key, obj[key]);
if (retVal === false) {
break;
}
}
}
}
};
/**
* 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){
"use strict";
/*jshint laxbreak: true*/
var i, len,
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') ) {
// we wont use a for-in-loop on an array (performance)
for (i = -1, len = obj.length; i < len; i+=1){
add(obj[i], i);
}
} else if ((typeof obj !== 'undefined') && (obj !== null) && (typeof obj === "object")){
// for anything else but a scalar, we will use for-in-loop
for (i in obj){
if (obj.hasOwnProperty(i)) {
add(obj[i], i);
}
}
} 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) {
"use strict";
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) {
"use strict";
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(';'),
c;
for(var i=0;i < ca.length;i++) {
c = ca[i];
while (c.charAt(0)==' ') {
c = c.substring(1,c.length);
}
if (c.indexOf(nameEQ) === 0) {
return c.substring(nameEQ.length,c.length);
}
}
};
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 + ")");
}
};
/**
* A generic module which supports object disposing in dispose() method.
* */
qq.DisposeSupport = function() {
"use strict";
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);
}
};
};
qq.UploadButton = function(o){
this._options = {
element: null,
// if set to true adds multiple attribute to file input
multiple: false,
acceptFiles: null,
// name attribute of file input
name: 'file',
onChange: function(input){},
hoverClass: 'qq-upload-button-hover',
focusClass: 'qq-upload-button-focus'
};
qq.extend(this._options, o);
this._disposeSupport = new qq.DisposeSupport();
this._element = this._options.element;
// make button suitable container for input
qq(this._element).css({
position: 'relative',
overflow: 'hidden',
// Make sure browse button is in the right side
// in Internet Explorer
direction: 'ltr'
});
this._input = this._createInput();
};
qq.UploadButton.prototype = {
/* returns file input element */
getInput: function(){
return this._input;
},
/* cleans/recreates the file input */
reset: function(){
if (this._input.parentNode){
qq(this._input).remove();
}
qq(this._element).removeClass(this._options.focusClass);
this._input = this._createInput();
},
_createInput: function(){
var input = document.createElement("input");
if (this._options.multiple){
input.setAttribute("multiple", "multiple");
}
if (this._options.acceptFiles) input.setAttribute("accept", this._options.acceptFiles);
input.setAttribute("type", "file");
input.setAttribute("name", this._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
});
this._element.appendChild(input);
var self = this;
this._disposeSupport.attach(input, 'change', function(){
self._options.onChange(input);
});
this._disposeSupport.attach(input, 'mouseover', function(){
qq(self._element).addClass(self._options.hoverClass);
});
this._disposeSupport.attach(input, 'mouseout', function(){
qq(self._element).removeClass(self._options.hoverClass);
});
this._disposeSupport.attach(input, 'focus', function(){
qq(self._element).addClass(self._options.focusClass);
});
this._disposeSupport.attach(input, 'blur', function(){
qq(self._element).removeClass(self._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;
}
};
qq.FineUploaderBasic = function(o){
var that = this;
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'
},
validation: {
allowedExtensions: [],
sizeLimit: 0,
minSizeLimit: 0,
stopOnFirstInvalidFile: true
},
callbacks: {
onSubmit: function(id, name){},
onComplete: function(id, name, responseJSON){},
onCancel: function(id, name){},
onUpload: function(id, name){},
onUploadChunk: function(id, name, chunkData){},
onResume: function(id, fileName, chunkData){},
onProgress: function(id, name, loaded, total){},
onError: function(id, name, reason) {},
onAutoRetry: function(id, name, attemptNumber) {},
onManualRetry: function(id, name) {},
onValidateBatch: function(fileOrBlobData) {},
onValidate: function(fileOrBlobData) {},
onSubmitDelete: function(id) {},
onDelete: function(id){},
onDeleteComplete: function(id, xhr, isError){}
},
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.",
onLeave: "The files are being uploaded, if you leave now the upload will be cancelled."
},
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',
filename: 'qqfilename'
}
},
resume: {
enabled: false,
id: null,
cookiesExpireIn: 7, //days
paramNames: {
resuming: "qqresume"
}
},
formatFileName: function(fileOrBlobName) {
if (fileOrBlobName.length > 33) {
fileOrBlobName = fileOrBlobName.slice(0, 19) + '...' + fileOrBlobName.slice(-14);
}
return fileOrBlobName;
},
text: {
sizeSymbols: ['kB', 'MB', 'GB', 'TB', 'PB', 'EB']
},
deleteFile : {
enabled: false,
endpoint: '/server/upload',
customHeaders: {},
params: {}
},
cors: {
expected: false,
sendCredentials: false
},
blobs: {
defaultName: 'Misc data',
paramNames: {
name: 'qqblobname'
}
}
};
qq.extend(this._options, o, true);
this._wrapCallbacks();
this._disposeSupport = new qq.DisposeSupport();
// number of files being uploaded
this._filesInProgress = [];
this._storedIds = [];
this._autoRetries = [];
this._retryTimeouts = [];
this._preventRetries = [];
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 = this._createDeleteHandler();
if (this._options.button){
this._button = this._createUploadButton(this._options.button);
}
this._preventLeaveInProgress();
};
qq.FineUploaderBasic.prototype = {
log: function(str, level) {
if (this._options.debug && (!level || level === 'info')) {
qq.log('[FineUploader] ' + str);
}
else if (level && level !== 'info') {
qq.log('[FineUploader] ' + 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);
}
},
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._filesInProgress.length;
},
uploadStoredFiles: function(){
"use strict";
var idToUpload;
while(this._storedIds.length) {
idToUpload = this._storedIds.shift();
this._filesInProgress.push(idToUpload);
this._handler.upload(idToUpload);
}
},
clearStoredFiles: function(){
this._storedIds = [];
},
retry: function(id) {
if (this._onBeforeManualRetry(id)) {
this._handler.retry(id);
return true;
}
else {
return false;
}
},
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._filesInProgress = [];
this._storedIds = [];
this._autoRetries = [];
this._retryTimeouts = [];
this._preventRetries = [];
this._button.reset();
this._paramsStore.reset();
this._endpointStore.reset();
},
addFiles: function(filesBlobDataOrInputs) {
var self = this,
verifiedFilesOrInputs = [],
index, fileOrInput;
if (filesBlobDataOrInputs) {
if (!window.FileList || !(filesBlobDataOrInputs instanceof FileList)) {
filesBlobDataOrInputs = [].concat(filesBlobDataOrInputs);
}
for (index = 0; index < filesBlobDataOrInputs.length; index+=1) {
fileOrInput = filesBlobDataOrInputs[index];
if (qq.isFileOrInput(fileOrInput)) {
verifiedFilesOrInputs.push(fileOrInput);
}
else {
self.log(fileOrInput + ' is not a File or INPUT element! Ignoring!', 'warn');
}
}
this.log('Processing ' + verifiedFilesOrInputs.length + ' files or inputs...');
this._uploadFileOrBlobDataList(verifiedFilesOrInputs);
}
},
addBlobs: function(blobDataOrArray) {
if (blobDataOrArray) {
var blobDataArray = [].concat(blobDataOrArray),
verifiedBlobDataList = [],
self = this;
qq.each(blobDataArray, function(idx, blobData) {
if (qq.isBlob(blobData) && !qq.isFileOrInput(blobData)) {
verifiedBlobDataList.push({
blob: blobData,
name: self._options.blobs.defaultName
});
}
else if (qq.isObject(blobData) && blobData.blob && blobData.name) {
verifiedBlobDataList.push(blobData);
}
else {
self.log("addBlobs: entry at index " + idx + " is not a Blob or a BlobData object", "error");
}
});
this._uploadFileOrBlobDataList(verifiedBlobDataList);
}
else {
this.log("undefined or non-array parameter passed into addBlobs", "error");
}
},
getUuid: function(id) {
return this._handler.getUuid(id);
},
getResumableFilesData: function() {
return this._handler.getResumableFilesData();
},
getSize: function(id) {
return this._handler.getSize(id);
},
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);
}
},
_createUploadButton: function(element){
var self = this;
var button = new qq.UploadButton({
element: element,
multiple: this._options.multiple && qq.isXhrUploadSupported(),
acceptFiles: this._options.validation.acceptFiles,
onChange: function(input){
self._onInputChange(input);
},
hoverClass: this._options.classes.buttonHover,
focusClass: this._options.classes.buttonFocus
});
this._disposeSupport.addDisposer(function() { button.dispose(); });
return button;
},
_createUploadHandler: function(){
var self = this;
return new qq.UploadHandler({
debug: this._options.debug,
forceMultipart: this._options.request.forceMultipart,
maxConnections: this._options.maxConnections,
customHeaders: this._options.request.customHeaders,
inputName: this._options.request.inputName,
uuidParamName: this._options.request.uuidName,
totalFileSizeParamName: this._options.request.totalFileSizeName,
cors: this._options.cors,
demoMode: this._options.demoMode,
paramsInBody: this._options.request.paramsInBody,
paramsStore: this._paramsStore,
endpointStore: this._endpointStore,
chunking: this._options.chunking,
resume: this._options.resume,
blobs: this._options.blobs,
log: function(str, level) {
self.log(str, level);
},
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){
self._onComplete(id, name, result, xhr);
self._options.callbacks.onComplete(id, name, result);
},
onCancel: function(id, name){
self._onCancel(id, name);
self._options.callbacks.onCancel(id, name);
},
onUpload: function(id, name){
self._onUpload(id, name);
self._options.callbacks.onUpload(id, name);
},
onUploadChunk: function(id, name, chunkData){
self._options.callbacks.onUploadChunk(id, name, chunkData);
},
onResume: function(id, name, chunkData) {
return self._options.callbacks.onResume(id, name, chunkData);
},
onAutoRetry: function(id, name, responseJSON, xhr) {
self._preventRetries[id] = responseJSON[self._options.retry.preventRetryResponseProperty];
if (self._shouldAutoRetry(id, name, responseJSON)) {
self._maybeParseAndSendUploadError(id, name, responseJSON, xhr);
self._options.callbacks.onAutoRetry(id, name, self._autoRetries[id] + 1);
self._onBeforeAutoRetry(id, name);
self._retryTimeouts[id] = setTimeout(function() {
self._onAutoRetry(id, name, responseJSON)
}, self._options.retry.autoAttemptDelay * 1000);
return true;
}
else {
return false;
}
}
});
},
_createDeleteHandler: function() {
var self = this;
return new qq.DeleteFileAjaxRequestor({
maxConnections: this._options.maxConnections,
customHeaders: this._options.deleteFile.customHeaders,
paramsStore: this._deleteFileParamsStore,
endpointStore: this._deleteFileEndpointStore,
demoMode: this._options.demoMode,
cors: this._options.cors,
log: function(str, level) {
self.log(str, level);
},
onDelete: function(id) {
self._onDelete(id);
self._options.callbacks.onDelete(id);
},
onDeleteComplete: function(id, xhr, isError) {
self._onDeleteComplete(id, xhr, isError);
self._options.callbacks.onDeleteComplete(id, xhr, isError);
}
});
},
_preventLeaveInProgress: function(){
var self = this;
this._disposeSupport.attach(window, 'beforeunload', function(e){
if (!self._filesInProgress.length){return;}
var e = e || window.event;
// for ie, ff
e.returnValue = self._options.messages.onLeave;
// for webkit
return self._options.messages.onLeave;
});
},
_onSubmit: function(id, name){
if (this._options.autoUpload) {
this._filesInProgress.push(id);
}
},
_onProgress: function(id, name, loaded, total){
},
_onComplete: function(id, name, result, xhr){
this._removeFromFilesInProgress(id);
this._maybeParseAndSendUploadError(id, name, result, xhr);
},
_onCancel: function(id, name){
this._removeFromFilesInProgress(id);
clearTimeout(this._retryTimeouts[id]);
var storedItemIndex = qq.indexOf(this._storedIds, id);
if (!this._options.autoUpload && storedItemIndex >= 0) {
this._storedIds.splice(storedItemIndex, 1);
}
},
_isDeletePossible: function() {
return (this._options.deleteFile.enabled &&
(!this._options.cors.expected ||
(this._options.cors.expected && (qq.ie10() || !qq.ie()))
)
);
},
_onSubmitDelete: function(id) {
if (this._isDeletePossible()) {
if (this._options.callbacks.onSubmitDelete(id)) {
this._deleteHandler.sendDelete(id, this.getUuid(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(fileId) {},
_onDeleteComplete: function(id, xhr, isError) {
var name = this._handler.getName(id);
if (isError) {
this.log("Delete request for '" + name + "' has failed.", "error");
this._options.callbacks.onError(id, name, "Delete request failed with response code " + xhr.status);
}
else {
this.log("Delete request for '" + name + "' has succeeded.");
}
},
_removeFromFilesInProgress: function(id) {
var index = qq.indexOf(this._filesInProgress, id);
if (index >= 0) {
this._filesInProgress.splice(index, 1);
}
},
_onUpload: function(id, name){},
_onInputChange: function(input){
if (qq.isXhrUploadSupported()){
this.addFiles(input.files);
} else {
this.addFiles(input);
}
this._button.reset();
},
_onBeforeAutoRetry: function(id, name) {
this.log("Waiting " + this._options.retry.autoAttemptDelay + " seconds before retrying " + name + "...");
},
_onAutoRetry: function(id, name, responseJSON) {
this.log("Retrying " + name + "...");
this._autoRetries[id]++;
this._handler.retry(id);
},
_shouldAutoRetry: function(id, name, responseJSON) {
if (!this._preventRetries[id] && this._options.retry.enableAuto) {
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) {
if (this._preventRetries[id]) {
this.log("Retries are forbidden for id " + id, 'warn');
return false;
}
else if (this._handler.isValid(id)) {
var fileName = this._handler.getName(id);
if (this._options.callbacks.onManualRetry(id, fileName) === false) {
return false;
}
this.log("Retrying upload for '" + fileName + "' (id: " + id + ")...");
this._filesInProgress.push(id);
return true;
}
else {
this.log("'" + id + "' is not a valid file ID", 'error');
return false;
}
},
_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);
}
else {
var errorReason = response.error ? response.error : "Upload failure reason unknown";
this._options.callbacks.onError(id, name, errorReason);
}
}
},
_uploadFileOrBlobDataList: function(fileOrBlobDataList){
var validationDescriptors, index, batchInvalid;
validationDescriptors = this._getValidationDescriptors(fileOrBlobDataList);
batchInvalid = this._options.callbacks.onValidateBatch(validationDescriptors) === false;
if (!batchInvalid) {
if (fileOrBlobDataList.length > 0) {
for (index = 0; index < fileOrBlobDataList.length; index++){
if (this._validateFileOrBlobData(fileOrBlobDataList[index])){
this._upload(fileOrBlobDataList[index]);
} else {
if (this._options.validation.stopOnFirstInvalidFile){
return;
}
}
}
}
else {
this._error('noFilesError', "");
}
}
},
_upload: function(blobOrFileContainer){
var id = this._handler.add(blobOrFileContainer);
var name = this._handler.getName(id);
if (this._options.callbacks.onSubmit(id, name) !== false){
this._onSubmit(id, name);
if (this._options.autoUpload) {
this._handler.upload(id);
}
else {
this._storeForLater(id);
}
}
},
_storeForLater: function(id) {
this._storedIds.push(id);
},
_validateFileOrBlobData: function(fileOrBlobData){
var validationDescriptor, name, size;
validationDescriptor = this._getValidationDescriptor(fileOrBlobData);
name = validationDescriptor.name;
size = validationDescriptor.size;
if (this._options.callbacks.onValidate(validationDescriptor) === false) {
return false;
}
if (qq.isFileOrInput(fileOrBlobData) && !this._isAllowedExtension(name)){
this._error('typeError', name);
return false;
}
else if (size === 0){
this._error('emptyError', name);
return false;
}
else if (size && this._options.validation.sizeLimit && size > this._options.validation.sizeLimit){
this._error('sizeError', name);
return false;
}
else if (size && size < this._options.validation.minSizeLimit){
this._error('minSizeError', name);
return false;
}
return true;
},
_error: function(code, name){
var message = this._options.messages[code];
function r(name, replacement){ message = message.replace(name, replacement); }
var extensions = this._options.validation.allowedExtensions.join(', ').toLowerCase();
r('{file}', this._options.formatFileName(name));
r('{extensions}', extensions);
r('{sizeLimit}', this._formatSize(this._options.validation.sizeLimit));
r('{minSizeLimit}', this._formatSize(this._options.validation.minSizeLimit));
this._options.callbacks.onError(null, name, message);
return message;
},
_isAllowedExtension: function(fileName){
var allowed = this._options.validation.allowedExtensions,
valid = false;
if (!allowed.length) {
return true;
}
qq.each(allowed, function(idx, 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 / 1024;
i++;
} while (bytes > 99);
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) {
try {
return callback.apply(self, args);
}
catch (exception) {
self.log("Caught exception in '" + name + "' callback - " + exception.message, 'error');
}
}
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){
// 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 name, size, fileDescriptor;
fileDescriptor = {};
name = this._parseFileOrBlobDataName(fileOrBlobData);
size = this._parseFileOrBlobDataSize(fileOrBlobData);
fileDescriptor.name = name;
if (size) {
fileDescriptor.size = size;
}
return fileDescriptor;
},
_getValidationDescriptors: function(files) {
var self = this,
fileDescriptors = [];
qq.each(files, function(idx, file) {
fileDescriptors.push(self._getValidationDescriptor(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 = {};
}
};
}
};
/*globals qq, document*/
qq.DragAndDrop = function(o) {
"use strict";
var options, dz, dirPending,
droppedFiles = [],
droppedEntriesCount = 0,
droppedEntriesParsedCount = 0,
disposeSupport = new qq.DisposeSupport();
options = {
dropArea: null,
extraDropzones: [],
hideDropzones: true,
multiple: true,
classes: {
dropActive: null
},
callbacks: {
dropProcessing: function(isProcessing, files) {},
error: function(code, filename) {},
log: function(message, level) {}
}
};
qq.extend(options, o);
function maybeUploadDroppedFiles() {
if (droppedEntriesCount === droppedEntriesParsedCount && !dirPending) {
options.callbacks.log('Grabbed ' + droppedFiles.length + " files after tree traversal.");
dz.dropDisabled(false);
options.callbacks.dropProcessing(false, droppedFiles);
}
}
function addDroppedFile(file) {
droppedFiles.push(file);
droppedEntriesParsedCount+=1;
maybeUploadDroppedFiles();
}
function traverseFileTree(entry) {
var dirReader, i;
droppedEntriesCount+=1;
if (entry.isFile) {
entry.file(function(file) {
addDroppedFile(file);
});
}
else if (entry.isDirectory) {
dirPending = true;
dirReader = entry.createReader();
dirReader.readEntries(function(entries) {
droppedEntriesParsedCount+=1;
for (i = 0; i < entries.length; i+=1) {
traverseFileTree(entries[i]);
}
dirPending = false;
if (!entries.length) {
maybeUploadDroppedFiles();
}
});
}
}
function handleDataTransfer(dataTransfer) {
var i, items, entry;
options.callbacks.dropProcessing(true);
dz.dropDisabled(true);
if (dataTransfer.files.length > 1 && !options.multiple) {
options.callbacks.dropProcessing(false);
options.callbacks.error('tooManyFilesError', "");
dz.dropDisabled(false);
}
else {
droppedFiles = [];
droppedEntriesCount = 0;
droppedEntriesParsedCount = 0;
if (qq.isFolderDropSupported(dataTransfer)) {
items = dataTransfer.items;
for (i = 0; i < items.length; i+=1) {
entry = items[i].webkitGetAsEntry();
if (entry) {
//due to a bug in Chrome's File System API impl - #149735
if (entry.isFile) {
droppedFiles.push(items[i].getAsFile());
if (i === items.length-1) {
maybeUploadDroppedFiles();
}
}
else {
traverseFileTree(entry);
}
}
}
}
else {
options.callbacks.dropProcessing(false, dataTransfer.files);
dz.dropDisabled(false);
}
}
}
function setupDropzone(dropArea){
dz = new qq.UploadDropZone({
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){
if (options.hideDropzones) {
qq(dropArea).hide();
}
qq(dropArea).removeClass(options.classes.dropActive);
handleDataTransfer(e.dataTransfer);
}
});
disposeSupport.addDisposer(function() {
dz.dispose();
});
if (options.hideDropzones) {
qq(dropArea).hide();
}
}
function isFileDrag(dragEvent) {
var fileDrag;
qq.each(dragEvent.dataTransfer.types, function(key, val) {
if (val === 'Files') {
fileDrag = true;
return false;
}
});
return fileDrag;
}
function setupDragDrop(){
if (options.dropArea) {
options.extraDropzones.push(options.dropArea);
}
var i, dropzones = options.extraDropzones;
for (i=0; i < dropzones.length; i+=1){
setupDropzone(dropzones[i]);
}
// IE <= 9 does not support the File API used for drag+drop uploads
if (options.dropArea && (!qq.ie() || qq.ie10())) {
disposeSupport.attach(document, 'dragenter', function(e) {
if (!dz.dropDisabled() && isFileDrag(e)) {
if (qq(options.dropArea).hasClass(options.classes.dropDisabled)) {
return;
}
options.dropArea.style.display = 'block';
for (i=0; i < dropzones.length; i+=1) {
dropzones[i].style.display = 'block';
}
}
});
}
disposeSupport.attach(document, 'dragleave', function(e){
if (options.hideDropzones && qq.FineUploader.prototype._leaving_document_out(e)) {
for (i=0; i < dropzones.length; i+=1) {
qq(dropzones[i]).hide();
}
}
});
disposeSupport.attach(document, 'drop', function(e){
if (options.hideDropzones) {
for (i=0; i < dropzones.length; i+=1) {
qq(dropzones[i]).hide();
}
}
e.preventDefault();
});
}
return {
setup: function() {
setupDragDrop();
},
setupExtraDropzone: function(element) {
options.extraDropzones.push(element);
setupDropzone(element);
},
removeExtraDropzone: function(element) {
var i, dzs = options.extraDropzones;
for(i in dzs) {
if (dzs[i] === element) {
return dzs.splice(i, 1);
}
}
},
dispose: function() {
disposeSupport.dispose();
dz.dispose();
}
};
};
qq.UploadDropZone = function(o){
"use strict";
var options, element, preventDrop, dropOutsideDisabled, disposeSupport = new qq.DisposeSupport();
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
effectTest = qq.ie10() ? 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 attachEvents(){
disposeSupport.attach(element, 'dragover', function(e){
if (!isValidFileDrag(e)) {
return;
}
var effect = qq.ie() ? 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();
options.onDrop(e);
}
});
}
disableDropOutside();
attachEvents();
return {
dropDisabled: function(isDisabled) {
return isOrSetDropDisabled(isDisabled);
},
dispose: function() {
disposeSupport.dispose();
}
};
};
/**
* Class that creates upload widget with drag-and-drop and file list
* @inherits qq.FineUploaderBasic
*/
qq.FineUploader = function(o){
// call parent constructor
qq.FineUploaderBasic.apply(this, arguments);
// additional options
qq.extend(this._options, {
element: null,
listElement: null,
dragAndDrop: {
extraDropzones: [],
hideDropzones: true,
disableDefaultDropzone: false
},
text: {
uploadButton: 'Upload a file',
cancelButton: 'Cancel',
retryButton: 'Retry',
deleteButton: 'Delete',
failUpload: 'Upload failed',
dragZone: 'Drop files here to upload',
dropProcessing: 'Processing dropped files...',
formatProgress: "{percent}% of {total_size}",
waitingForResponse: "Processing..."
},
template: '<div class="qq-uploader">' +
((!this._options.dragAndDrop || !this._options.dragAndDrop.disableDefaultDropzone) ? '<div class="qq-upload-drop-area"><span>{dragZoneText}</span></div>' : '') +
(!this._options.button ? '<div class="qq-upload-button"><div>{uploadButtonText}</div></div>' : '') +
'<span class="qq-drop-processing"><span>{dropProcessingText}</span><span class="qq-drop-processing-spinner"></span></span>' +
(!this._options.listElement ? '<ul class="qq-upload-list"></ul>' : '') +
'</div>',
// template for one item in file list
fileTemplate: '<li>' +
'<div class="qq-progress-bar"></div>' +
'<span class="qq-upload-spinner"></span>' +
'<span class="qq-upload-finished"></span>' +
'<span class="qq-upload-file"></span>' +
'<span class="qq-upload-size"></span>' +
'<a class="qq-upload-cancel" href="#">{cancelButtonText}</a>' +
'<a class="qq-upload-retry" href="#">{retryButtonText}</a>' +
'<a class="qq-upload-delete" href="#">{deleteButtonText}</a>' +
'<span class="qq-upload-status-text">{statusText}</span>' +
'</li>',
classes: {
button: 'qq-upload-button',
drop: 'qq-upload-drop-area',
dropActive: 'qq-upload-drop-area-active',
dropDisabled: 'qq-upload-drop-area-disabled',
list: 'qq-upload-list',
progressBar: 'qq-progress-bar',
file: 'qq-upload-file',
spinner: 'qq-upload-spinner',
finished: 'qq-upload-finished',
retrying: 'qq-upload-retrying',
retryable: 'qq-upload-retryable',
size: 'qq-upload-size',
cancel: 'qq-upload-cancel',
deleteButton: 'qq-upload-delete',
retry: 'qq-upload-retry',
statusText: 'qq-upload-status-text',
success: 'qq-upload-success',
fail: 'qq-upload-fail',
successIcon: null,
failIcon: null,
dropProcessing: 'qq-drop-processing',
dropProcessingSpinner: 'qq-drop-processing-spinner'
},
failedUploadTextDisplay: {
mode: 'default', //default, custom, or none
maxChars: 50,
responseProperty: 'error',
enableTooltip: true
},
messages: {
tooManyFilesError: "You may only drop one file"
},
retry: {
showAutoRetryNote: true,
autoRetryNote: "Retrying {retryNum}/{maxAuto}...",
showButton: false
},
deleteFile: {
forceConfirm: false,
confirmMessage: "Are you sure you want to delete {filename}?",
deletingStatusText: "Deleting...",
deletingFailedText: "Delete failed"
},
display: {
fileSizeOnSubmit: false
},
showMessage: function(message){
setTimeout(function() {
alert(message);
}, 0);
},
showConfirm: function(message, okCallback, cancelCallback) {
setTimeout(function() {
var result = confirm(message);
if (result) {
okCallback();
}
else if (cancelCallback) {
cancelCallback();
}
}, 0);
}
}, true);
// overwrite options with user supplied
qq.extend(this._options, o, true);
this._wrapCallbacks();
// overwrite the upload button text if any
// same for the Cancel button and Fail message text
this._options.template = this._options.template.replace(/\{dragZoneText\}/g, this._options.text.dragZone);
this._options.template = this._options.template.replace(/\{uploadButtonText\}/g, this._options.text.uploadButton);
this._options.template = this._options.template.replace(/\{dropProcessingText\}/g, this._options.text.dropProcessing);
this._options.fileTemplate = this._options.fileTemplate.replace(/\{cancelButtonText\}/g, this._options.text.cancelButton);
this._options.fileTemplate = this._options.fileTemplate.replace(/\{retryButtonText\}/g, this._options.text.retryButton);
this._options.fileTemplate = this._options.fileTemplate.replace(/\{deleteButtonText\}/g, this._options.text.deleteButton);
this._options.fileTemplate = this._options.fileTemplate.replace(/\{statusText\}/g, "");
this._element = this._options.element;
this._element.innerHTML = this._options.template;
this._listElement = this._options.listElement || this._find(this._element, 'list');
this._classes = this._options.classes;
if (!this._button) {
this._button = this._createUploadButton(this._find(this._element, 'button'));
}
this._bindCancelAndRetryEvents();
this._dnd = this._setupDragAndDrop();
};
// inherit from Basic Uploader
qq.extend(qq.FineUploader.prototype, qq.FineUploaderBasic.prototype);
qq.extend(qq.FineUploader.prototype, {
clearStoredFiles: function() {
qq.FineUploaderBasic.prototype.clearStoredFiles.apply(this, arguments);
this._listElement.innerHTML = "";
},
addExtraDropzone: function(element){
this._dnd.setupExtraDropzone(element);
},
removeExtraDropzone: function(element){
return this._dnd.removeExtraDropzone(element);
},
getItemByFileId: function(id){
var item = this._listElement.firstChild;
// there can't be txt nodes in dynamically created list
// and we can use nextSibling
while (item){
if (item.qqFileId == id) return item;
item = item.nextSibling;
}
},
reset: function() {
qq.FineUploaderBasic.prototype.reset.apply(this, arguments);
this._element.innerHTML = this._options.template;
this._listElement = this._options.listElement || this._find(this._element, 'list');
if (!this._options.button) {
this._button = this._createUploadButton(this._find(this._element, 'button'));
}
this._bindCancelAndRetryEvents();
this._dnd.dispose();
this._dnd = this._setupDragAndDrop();
},
_removeFileItem: function(fileId) {
var item = this.getItemByFileId(fileId);
qq(item).remove();
},
_setupDragAndDrop: function() {
var self = this,
dropProcessingEl = this._find(this._element, 'dropProcessing'),
dnd, preventSelectFiles, defaultDropAreaEl;
preventSelectFiles = function(event) {
event.preventDefault();
};
if (!this._options.dragAndDrop.disableDefaultDropzone) {
defaultDropAreaEl = this._find(this._options.element, 'drop');
}
dnd = new qq.DragAndDrop({
dropArea: defaultDropAreaEl,
extraDropzones: this._options.dragAndDrop.extraDropzones,
hideDropzones: this._options.dragAndDrop.hideDropzones,
multiple: this._options.multiple,
classes: {
dropActive: this._options.classes.dropActive
},
callbacks: {
dropProcessing: function(isProcessing, files) {
var input = self._button.getInput();
if (isProcessing) {
qq(dropProcessingEl).css({display: 'block'});
qq(input).attach('click', preventSelectFiles);
}
else {
qq(dropProcessingEl).hide();
qq(input).detach('click', preventSelectFiles);
}
if (files) {
self.addFiles(files);
}
},
error: function(code, filename) {
self._error(code, filename);
},
log: function(message, level) {
self.log(message, level);
}
}
});
dnd.setup();
return dnd;
},
_leaving_document_out: function(e){
return ((qq.chrome() || (qq.safari() && qq.windows())) && e.clientX == 0 && e.clientY == 0) // null coords for Chrome and Safari Windows
|| (qq.firefox() && !e.relatedTarget); // null e.relatedTarget for Firefox
},
_storeForLater: function(id) {
qq.FineUploaderBasic.prototype._storeForLater.apply(this, arguments);
var item = this.getItemByFileId(id);
qq(this._find(item, 'spinner')).hide();
},
/**
* Gets one of the elements listed in this._options.classes
**/
_find: function(parent, type){
var element = qq(parent).getByClass(this._options.classes[type])[0];
if (!element){
throw new Error('element not found ' + type);
}
return element;
},
_onSubmit: function(id, name){
qq.FineUploaderBasic.prototype._onSubmit.apply(this, arguments);
this._addToList(id, name);
},
// Update the progress bar & percentage as the file is uploaded
_onProgress: function(id, name, loaded, total){
qq.FineUploaderBasic.prototype._onProgress.apply(this, arguments);
var item, progressBar, percent, cancelLink;
item = this.getItemByFileId(id);
progressBar = this._find(item, 'progressBar');
percent = Math.round(loaded / total * 100);
if (loaded === total) {
cancelLink = this._find(item, 'cancel');
qq(cancelLink).hide();
qq(progressBar).hide();
qq(this._find(item, 'statusText')).setText(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);
qq(progressBar).css({display: 'block'});
}
// Update progress bar element
qq(progressBar).css({width: percent + '%'});
},
_onComplete: function(id, name, result, xhr){
qq.FineUploaderBasic.prototype._onComplete.apply(this, arguments);
var item = this.getItemByFileId(id);
qq(this._find(item, 'statusText')).clearText();
qq(item).removeClass(this._classes.retrying);
qq(this._find(item, 'progressBar')).hide();
if (!this._options.disableCancelForFormUploads || qq.isXhrUploadSupported()) {
qq(this._find(item, 'cancel')).hide();
}
qq(this._find(item, 'spinner')).hide();
if (result.success) {
if (this._isDeletePossible()) {
this._showDeleteLink(id);
}
qq(item).addClass(this._classes.success);
if (this._classes.successIcon) {
this._find(item, 'finished').style.display = "inline-block";
qq(item).addClass(this._classes.successIcon);
}
} else {
qq(item).addClass(this._classes.fail);
if (this._classes.failIcon) {
this._find(item, 'finished').style.display = "inline-block";
qq(item).addClass(this._classes.failIcon);
}
if (this._options.retry.showButton && !this._preventRetries[id]) {
qq(item).addClass(this._classes.retryable);
}
this._controlFailureTextDisplay(item, result);
}
},
_onUpload: function(id, name){
qq.FineUploaderBasic.prototype._onUpload.apply(this, arguments);
this._showSpinner(id);
},
_onCancel: function(id, name) {
qq.FineUploaderBasic.prototype._onCancel.apply(this, arguments);
this._removeFileItem(id);
},
_onBeforeAutoRetry: function(id) {
var item, progressBar, failTextEl, retryNumForDisplay, maxAuto, retryNote;
qq.FineUploaderBasic.prototype._onBeforeAutoRetry.apply(this, arguments);
item = this.getItemByFileId(id);
progressBar = this._find(item, 'progressBar');
this._showCancelLink(item);
progressBar.style.width = 0;
qq(progressBar).hide();
if (this._options.retry.showAutoRetryNote) {
failTextEl = this._find(item, 'statusText');
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);
qq(failTextEl).setText(retryNote);
if (retryNumForDisplay === 1) {
qq(item).addClass(this._classes.retrying);
}
}
},
//return false if we should not attempt the requested retry
_onBeforeManualRetry: function(id) {
if (qq.FineUploaderBasic.prototype._onBeforeManualRetry.apply(this, arguments)) {
var item = this.getItemByFileId(id);
this._find(item, 'progressBar').style.width = 0;
qq(item).removeClass(this._classes.fail);
qq(this._find(item, 'statusText')).clearText();
this._showSpinner(id);
this._showCancelLink(item);
return true;
}
return false;
},
_onSubmitDelete: function(id) {
if (this._isDeletePossible()) {
if (this._options.callbacks.onSubmitDelete(id) !== false) {
if (this._options.deleteFile.forceConfirm) {
this._showDeleteConfirm(id);
}
else {
this._sendDeleteRequest(id);
}
}
}
else {
this.log("Delete request ignored for file ID " + id + ", delete feature is disabled.", "warn");
return false;
}
},
_onDeleteComplete: function(id, xhr, isError) {
qq.FineUploaderBasic.prototype._onDeleteComplete.apply(this, arguments);
var item = this.getItemByFileId(id),
spinnerEl = this._find(item, 'spinner'),
statusTextEl = this._find(item, 'statusText');
qq(spinnerEl).hide();
if (isError) {
qq(statusTextEl).setText(this._options.deleteFile.deletingFailedText);
this._showDeleteLink(id);
}
else {
this._removeFileItem(id);
}
},
_sendDeleteRequest: function(id) {
var item = this.getItemByFileId(id),
deleteLink = this._find(item, 'deleteButton'),
statusTextEl = this._find(item, 'statusText');
qq(deleteLink).hide();
this._showSpinner(id);
qq(statusTextEl).setText(this._options.deleteFile.deletingStatusText);
this._deleteHandler.sendDelete(id, this.getUuid(id));
},
_showDeleteConfirm: function(id) {
var fileName = this._handler.getName(id),
confirmMessage = this._options.deleteFile.confirmMessage.replace(/\{filename\}/g, fileName),
uuid = this.getUuid(id),
self = this;
this._options.showConfirm(confirmMessage, function() {
self._sendDeleteRequest(id);
});
},
_addToList: function(id, name){
var item = qq.toElement(this._options.fileTemplate);
if (this._options.disableCancelForFormUploads && !qq.isXhrUploadSupported()) {
var cancelLink = this._find(item, 'cancel');
qq(cancelLink).remove();
}
item.qqFileId = id;
var fileElement = this._find(item, 'file');
qq(fileElement).setText(this._options.formatFileName(name));
qq(this._find(item, 'size')).hide();
if (!this._options.multiple) {
this._handler.cancelAll();
this._clearList();
}
this._listElement.appendChild(item);
if (this._options.display.fileSizeOnSubmit && qq.isXhrUploadSupported()) {
this._displayFileSize(id);
}
},
_clearList: function(){
this._listElement.innerHTML = '';
this.clearStoredFiles();
},
_displayFileSize: function(id, loadedSize, totalSize) {
var item = this.getItemByFileId(id),
size = this.getSize(id),
sizeForDisplay = this._formatSize(size),
sizeEl = this._find(item, 'size');
if (loadedSize !== undefined && totalSize !== undefined) {
sizeForDisplay = this._formatProgress(loadedSize, totalSize);
}
qq(sizeEl).css({display: 'inline'});
qq(sizeEl).setText(sizeForDisplay);
},
/**
* delegate click event for cancel & retry links
**/
_bindCancelAndRetryEvents: function(){
var self = this,
list = this._listElement;
this._disposeSupport.attach(list, 'click', function(e){
e = e || window.event;
var target = e.target || e.srcElement;
if (qq(target).hasClass(self._classes.cancel) || qq(target).hasClass(self._classes.retry) || qq(target).hasClass(self._classes.deleteButton)){
qq.preventDefault(e);
var item = target.parentNode;
while(item.qqFileId === undefined) {
item = target = target.parentNode;
}
if (qq(target).hasClass(self._classes.deleteButton)) {
self.deleteFile(item.qqFileId);
}
else if (qq(target).hasClass(self._classes.cancel)) {
self.cancel(item.qqFileId);
}
else {
qq(item).removeClass(self._classes.retryable);
self.retry(item.qqFileId);
}
}
});
},
_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(item, 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');
}
qq(this._find(item, 'statusText')).setText(shortFailureReason || failureReason);
if (this._options.failedUploadTextDisplay.enableTooltip) {
this._showTooltip(item, failureReason);
}
}
else if (mode === 'default') {
qq(this._find(item, 'statusText')).setText(this._options.text.failUpload);
}
else if (mode !== 'none') {
this.log("failedUploadTextDisplay.mode value of '" + mode + "' is not valid", 'warn');
}
},
_showTooltip: function(item, text) {
item.title = text;
},
_showSpinner: function(id) {
var item = this.getItemByFileId(id),
spinnerEl = this._find(item, 'spinner');
spinnerEl.style.display = "inline-block";
},
_showCancelLink: function(item) {
if (!this._options.disableCancelForFormUploads || qq.isXhrUploadSupported()) {
var cancelLink = this._find(item, 'cancel');
qq(cancelLink).css({display: 'inline'});
}
},
_showDeleteLink: function(id) {
var item = this.getItemByFileId(id),
deleteLink = this._find(item, 'deleteButton');
qq(deleteLink).css({display: 'inline'});
},
_error: function(code, name){
var message = qq.FineUploaderBasic.prototype._error.apply(this, arguments);
this._options.showMessage(message);
}
});
/** Generic class for sending non-upload ajax requests and handling the associated responses **/
//TODO Use XDomainRequest if expectCors = true. Not necessary now since only DELETE requests are sent and XDR doesn't support pre-flighting.
/*globals qq, XMLHttpRequest*/
qq.AjaxRequestor = function(o) {
"use strict";
var log, shouldParamsBeInQueryString,
queue = [],
requestState = [],
options = {
method: 'POST',
maxConnections: 3,
customHeaders: {},
endpointStore: {},
paramsStore: {},
successfulResponseCodes: [200],
demoMode: false,
cors: {
expected: false,
sendCredentials: false
},
log: function(str, level) {},
onSend: function(id) {},
onComplete: function(id, xhr, isError) {},
onCancel: function(id) {}
};
qq.extend(options, o);
log = options.log;
shouldParamsBeInQueryString = getMethod() === 'GET' || getMethod() === 'DELETE';
/**
* Removes element from queue, sends next request
*/
function dequeue(id) {
var i = qq.indexOf(queue, id),
max = options.maxConnections,
nextId;
delete requestState[id];
queue.splice(i, 1);
if (queue.length >= max && i < max){
nextId = queue[max-1];
sendRequest(nextId);
}
}
function onComplete(id) {
var xhr = requestState[id].xhr,
method = getMethod(),
isError = false;
dequeue(id);
if (!isResponseSuccessful(xhr.status)) {
isError = true;
log(method + " request for " + id + " has failed - response code " + xhr.status, "error");
}
options.onComplete(id, xhr, isError);
}
function sendRequest(id) {
var xhr = new XMLHttpRequest(),
method = getMethod(),
params = {},
url;
options.onSend(id);
if (options.paramsStore.getParams) {
params = options.paramsStore.getParams(id);
}
url = createUrl(id, params);
requestState[id].xhr = xhr;
xhr.onreadystatechange = getReadyStateChangeHandler(id);
xhr.open(method, url, true);
if (options.cors.expected && options.cors.sendCredentials) {
xhr.withCredentials = true;
}
setHeaders(id);
log('Sending ' + method + " request for " + id);
if (!shouldParamsBeInQueryString && params) {
xhr.send(qq.obj2url(params, ""));
}
else {
xhr.send();
}
}
function createUrl(id, params) {
var endpoint = options.endpointStore.getEndpoint(id),
addToPath = requestState[id].addToPath;
if (addToPath !== undefined) {
endpoint += "/" + addToPath;
}
if (shouldParamsBeInQueryString && params) {
return qq.obj2url(params, endpoint);
}
else {
return endpoint;
}
}
function getReadyStateChangeHandler(id) {
var xhr = requestState[id].xhr;
return function() {
if (xhr.readyState === 4) {
onComplete(id, xhr);
}
};
}
function setHeaders(id) {
var xhr = requestState[id].xhr,
customHeaders = options.customHeaders;
xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
xhr.setRequestHeader("Cache-Control", "no-cache");
qq.each(customHeaders, function(name, val) {
xhr.setRequestHeader(name, val);
});
}
function cancelRequest(id) {
var xhr = requestState[id].xhr,
method = getMethod();
if (xhr) {
xhr.onreadystatechange = null;
xhr.abort();
dequeue(id);
log('Cancelled ' + method + " for " + id);
options.onCancel(id);
return true;
}
return false;
}
function isResponseSuccessful(responseCode) {
return qq.indexOf(options.successfulResponseCodes, responseCode) >= 0;
}
function getMethod() {
if (options.demoMode) {
return "GET";
}
return options.method;
}
return {
send: function(id, addToPath) {
requestState[id] = {
addToPath: addToPath
};
var len = queue.push(id);
// if too many active connections, wait...
if (len <= options.maxConnections){
sendRequest(id);
}
},
cancel: function(id) {
return cancelRequest(id);
}
};
};
/** Generic class for sending non-upload ajax requests and handling the associated responses **/
/*globals qq, XMLHttpRequest*/
qq.DeleteFileAjaxRequestor = function(o) {
"use strict";
var requestor,
options = {
endpointStore: {},
maxConnections: 3,
customHeaders: {},
paramsStore: {},
demoMode: false,
cors: {
expected: false,
sendCredentials: false
},
log: function(str, level) {},
onDelete: function(id) {},
onDeleteComplete: function(id, xhr, isError) {}
};
qq.extend(options, o);
requestor = new qq.AjaxRequestor({
method: 'DELETE',
endpointStore: options.endpointStore,
paramsStore: options.paramsStore,
maxConnections: options.maxConnections,
customHeaders: options.customHeaders,
successfulResponseCodes: [200, 202, 204],
demoMode: options.demoMode,
log: options.log,
onSend: options.onDelete,
onComplete: options.onDeleteComplete
});
return {
sendDelete: function(id, uuid) {
requestor.send(id, uuid);
options.log("Submitted delete file request for " + id);
}
};
};
qq.WindowReceiveMessage = function(o) {
var options = {
log: function(message, level) {}
},
callbackWrapperDetachers = {};
qq.extend(options, o);
return {
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();
}
}
}
};
};
/**
* Class for uploading files, uploading itself is handled by child classes
*/
/*globals qq*/
qq.UploadHandler = function(o) {
"use strict";
var queue = [],
options, log, dequeue, handlerImpl;
// Default options, can be overridden by the user
options = {
debug: false,
forceMultipart: true,
paramsInBody: false,
paramsStore: {},
endpointStore: {},
cors: {
expected: false,
sendCredentials: false
},
maxConnections: 3, // maximum number of concurrent uploads
uuidParamName: 'qquuid',
totalFileSizeParamName: '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"
}
},
blobs: {
paramNames: {
name: 'qqblobname'
}
},
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){},
onAutoRetry: function(id, fileName, response, xhr){},
onResume: function(id, fileName, chunkData){}
};
qq.extend(options, o);
log = options.log;
/**
* Removes element from queue, starts upload of next
*/
dequeue = function(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);
}
}
};
if (qq.isXhrUploadSupported()) {
handlerImpl = new qq.UploadHandlerXhr(options, dequeue, log);
}
else {
handlerImpl = new qq.UploadHandlerForm(options, dequeue, log);
}
return {
/**
* Adds file or file input to the queue
* @returns id
**/
add: function(file){
return handlerImpl.add(file);
},
/**
* Sends the file identified by id
*/
upload: function(id){
var len = queue.push(id);
// if too many active uploads, wait...
if (len <= options.maxConnections){
return handlerImpl.upload(id);
}
},
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) {
log('Cancelling ' + id);
options.paramsStore.remove(id);
handlerImpl.cancel(id);
dequeue(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 = [];
},
/**
* Returns name of the file identified by id
*/
getName: function(id){
return handlerImpl.getName(id);
},
/**
* Returns size of the file identified by id
*/
getSize: function(id){
if (handlerImpl.getSize) {
return handlerImpl.getSize(id);
}
},
getFile: function(id) {
if (handlerImpl.getFile) {
return handlerImpl.getFile(id);
}
},
/**
* Returns id of files being uploaded or
* waiting for their turn
*/
getQueue: function(){
return queue;
},
reset: function() {
log('Resetting upload handler');
queue = [];
handlerImpl.reset();
},
getUuid: function(id) {
return handlerImpl.getUuid(id);
},
/**
* Determine if the file exists.
*/
isValid: function(id) {
return handlerImpl.isValid(id);
},
getResumableFilesData: function() {
if (handlerImpl.getResumableFilesData) {
return handlerImpl.getResumableFilesData();
}
return [];
}
};
};
/*globals qq, document, setTimeout*/
/*globals clearTimeout*/
qq.UploadHandlerForm = function(o, uploadCompleteCallback, logCallback) {
"use strict";
var options = o,
inputs = [],
uuids = [],
detachLoadEvents = {},
postMessageCallbackTimers = {},
uploadComplete = uploadCompleteCallback,
log = logCallback,
corsMessageReceiver = new qq.WindowReceiveMessage({log: log}),
onloadCallbacks = {},
api;
function detachLoadEvent(id) {
if (detachLoadEvents[id] !== undefined) {
detachLoadEvents[id]();
delete detachLoadEvents[id];
}
}
function registerPostMessageCallback(iframe, callback) {
var id = iframe.id;
onloadCallbacks[uuids[id]] = callback;
detachLoadEvents[id] = qq(iframe).attach('load', function() {
if (inputs[id]) {
log("Received iframe load event for CORS upload request (file id " + id + ")");
postMessageCallbackTimers[id] = setTimeout(function() {
var errorMessage = "No valid message received from loaded iframe for file id " + id;
log(errorMessage, "error");
callback({
error: errorMessage
});
}, 1000);
}
});
corsMessageReceiver.receiveMessage(id, function(message) {
log("Received the following window message: '" + message + "'");
var response = qq.parseJson(message),
uuid = response.uuid,
onloadCallback;
if (uuid && onloadCallbacks[uuid]) {
clearTimeout(postMessageCallbackTimers[id]);
delete postMessageCallbackTimers[id];
detachLoadEvent(id);
onloadCallback = onloadCallbacks[uuid];
delete onloadCallbacks[uuid];
corsMessageReceiver.stopReceivingMessages(id);
onloadCallback(response);
}
else if (!uuid) {
log("'" + message + "' does not contain a UUID - ignoring.");
}
});
}
function attachLoadEvent(iframe, callback) {
/*jslint eqeq: true*/
if (options.cors.expected) {
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 + ")", 'error');
}
callback();
});
}
}
/**
* Returns json object received by iframe from server.
*/
function getIframeContentJson(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 = qq.parseJson(innerHTML);
} catch(error){
log('Error when attempting to parse form upload response (' + error + ")", 'error');
response = {success: false};
}
return response;
}
/**
* Creates iframe with unique name
*/
function createIframe(id){
// We can't use following code as the name attribute
// won't be properly registered in IE6, and new window
// on form submit will open
// var iframe = document.createElement('iframe');
// iframe.setAttribute('name', id);
var iframe = qq.toElement('<iframe src="javascript:false;" name="' + id + '" />');
iframe.setAttribute('id', id);
iframe.style.display = 'none';
document.body.appendChild(iframe);
return iframe;
}
/**
* Creates form, that will be submitted to iframe
*/
function createForm(id, iframe){
var params = options.paramsStore.getParams(id),
protocol = options.demoMode ? "GET" : "POST",
form = qq.toElement('<form method="' + protocol + '" enctype="multipart/form-data"></form>'),
endpoint = options.endpointStore.getEndpoint(id),
url = endpoint;
params[options.uuidParamName] = uuids[id];
if (!options.paramsInBody) {
url = qq.obj2url(params, endpoint);
}
else {
qq.obj2Inputs(params, form);
}
form.setAttribute('action', url);
form.setAttribute('target', iframe.name);
form.style.display = 'none';
document.body.appendChild(form);
return form;
}
api = {
add: function(fileInput) {
fileInput.setAttribute('name', options.inputName);
var id = inputs.push(fileInput) - 1;
uuids[id] = qq.getUniqueId();
// remove file input from DOM
if (fileInput.parentNode){
qq(fileInput).remove();
}
return id;
},
getName: function(id) {
/*jslint regexp: true*/
// get input value and remove path to normalize
return inputs[id].value.replace(/.*(\/|\\)/, "");
},
isValid: function(id) {
return inputs[id] !== undefined;
},
reset: function() {
qq.UploadHandler.prototype.reset.apply(this, arguments);
inputs = [];
uuids = [];
detachLoadEvents = {};
},
getUuid: function(id) {
return uuids[id];
},
cancel: function(id) {
options.onCancel(id, this.getName(id));
delete inputs[id];
delete uuids[id];
delete detachLoadEvents[id];
if (options.cors.expected) {
clearTimeout(postMessageCallbackTimers[id]);
delete postMessageCallbackTimers[id];
corsMessageReceiver.stopReceivingMessages(id);
}
var iframe = document.getElementById(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();
}
},
upload: function(id){
var input = inputs[id],
fileName = api.getName(id),
iframe = createIframe(id),
form;
if (!input){
throw new Error('file with passed id was not added, or already uploaded or cancelled');
}
options.onUpload(id, this.getName(id));
form = createForm(id, iframe);
form.appendChild(input);
attachLoadEvent(iframe, function(responseFromMessage){
log('iframe loaded');
var response = responseFromMessage ? responseFromMessage : getIframeContentJson(iframe);
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();
return id;
}
};
return api;
};
/*globals qq, File, XMLHttpRequest, FormData, Blob*/
qq.UploadHandlerXhr = function(o, uploadCompleteCallback, logCallback) {
"use strict";
var options = o,
uploadComplete = uploadCompleteCallback,
log = logCallback,
fileState = [],
cookieItemDelimiter = "|",
chunkFiles = options.chunking.enabled && qq.isFileChunkingSupported(),
resumeEnabled = options.resume.enabled && chunkFiles && qq.areCookiesEnabled(),
resumeId = getResumeId(),
multipart = options.forceMultipart || options.paramsInBody,
api;
function addChunkingSpecificParams(id, params, chunkData) {
var size = api.getSize(id),
name = api.getName(id);
params[options.chunking.paramNames.partIndex] = chunkData.part;
params[options.chunking.paramNames.partByteOffset] = chunkData.start;
params[options.chunking.paramNames.chunkSize] = chunkData.size;
params[options.chunking.paramNames.totalParts] = chunkData.count;
params[options.totalFileSizeParamName] = 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[options.chunking.paramNames.filename] = name;
}
}
function addResumeSpecificParams(params) {
params[options.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 getChunkData(id, chunkIndex) {
var chunkSize = options.chunking.partSize,
fileSize = api.getSize(id),
fileOrBlob = fileState[id].file || fileState[id].blobData.blob,
startBytes = chunkSize * chunkIndex,
endBytes = startBytes+chunkSize >= fileSize ? fileSize : startBytes+chunkSize,
totalChunks = getTotalChunks(id);
return {
part: chunkIndex,
start: startBytes,
end: endBytes,
count: totalChunks,
blob: getChunk(fileOrBlob, startBytes, endBytes),
size: endBytes - startBytes
};
}
function getTotalChunks(id) {
var fileSize = api.getSize(id),
chunkSize = options.chunking.partSize;
return Math.ceil(fileSize / chunkSize);
}
function createXhr(id) {
var xhr = new XMLHttpRequest();
fileState[id].xhr = xhr;
return xhr;
}
function setParamsAndGetEntityToSend(params, xhr, fileOrBlob, id) {
var formData = new FormData(),
method = options.demoMode ? "GET" : "POST",
endpoint = options.endpointStore.getEndpoint(id),
url = endpoint,
name = api.getName(id),
size = api.getSize(id),
blobData = fileState[id].blobData;
params[options.uuidParamName] = fileState[id].uuid;
if (multipart) {
params[options.totalFileSizeParamName] = size;
if (blobData) {
/**
* 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.
*/
params[options.blobs.paramNames.name] = blobData.name;
}
}
//build query string
if (!options.paramsInBody) {
if (!multipart) {
params[options.inputName] = name;
}
url = qq.obj2url(params, endpoint);
}
xhr.open(method, url, true);
if (options.cors.expected && options.cors.sendCredentials) {
xhr.withCredentials = true;
}
if (multipart) {
if (options.paramsInBody) {
qq.obj2FormData(params, formData);
}
formData.append(options.inputName, fileOrBlob);
return formData;
}
return fileOrBlob;
}
function setHeaders(id, xhr) {
var extraHeaders = options.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 = api.getName(id),
size = api.getSize(id);
fileState[id].attemptingResume = false;
options.onProgress(id, name, size, size);
options.onComplete(id, name, response, xhr);
delete fileState[id].xhr;
uploadComplete(id);
}
function uploadNextChunk(id) {
var chunkIdx = fileState[id].remainingChunkIdxs[0],
chunkData = getChunkData(id, chunkIdx),
xhr = createXhr(id),
size = api.getSize(id),
name = api.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);
options.onProgress(id, name, totalLoaded, estTotalRequestsSize);
}
};
options.onUploadChunk(id, name, getChunkDataForCallback(chunkData));
params = options.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 = getChunkData(id, chunkIdx),
blobSize = chunkData.size,
overhead = requestSize - blobSize,
size = api.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 = getChunkData(id, chunkIdx);
fileState[id].attemptingResume = false;
fileState[id].loaded += chunkData.size + getLastRequestOverhead(id);
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(xhr) {
var response;
try {
response = qq.parseJson(xhr.responseText);
}
catch(error) {
log('Error when attempting to parse xhr response text (' + error + ')', '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);
api.upload(id, true);
}
function handleNonResetErrorResponse(id, response, xhr) {
var name = api.getName(id);
if (options.onAutoRetry(id, name, response, xhr)) {
return;
}
else {
handleCompletedItem(id, response, xhr);
}
}
function onComplete(id, xhr) {
var response;
// the request was aborted/cancelled
if (!fileState[id]) {
return;
}
log("xhr - server response received for " + id);
log("responseText = " + xhr.responseText);
response = parseResponse(xhr);
if (isErrorResponse(xhr, response)) {
if (response.reset) {
handleResetResponse(id);
}
if (fileState[id].attemptingResume && response.reset) {
handleResetResponseOnResumeAttempt(id);
}
else {
handleNonResetErrorResponse(id, response, xhr);
}
}
else if (chunkFiles) {
handleSuccessfullyCompletedChunk(id, response, xhr);
}
else {
handleCompletedItem(id, response, xhr);
}
}
function getChunkDataForCallback(chunkData) {
return {
partIndex: chunkData.part,
startByte: chunkData.start + 1,
endByte: chunkData.end,
totalParts: chunkData.count
};
}
function getReadyStateChangeHandler(id, xhr) {
return function() {
if (xhr.readyState === 4) {
onComplete(id, xhr);
}
};
}
function persistChunkData(id, chunkData) {
var fileUuid = api.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 = options.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 = api.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 = api.getName(id),
fileSize = api.getSize(id),
maxChunkSize = options.chunking.partSize,
cookieName;
cookieName = "qqfilechunk" + cookieItemDelimiter + encodeURIComponent(filename) + cookieItemDelimiter + fileSize + cookieItemDelimiter + maxChunkSize;
if (resumeId !== undefined) {
cookieName += cookieItemDelimiter + resumeId;
}
return cookieName;
}
function getResumeId() {
if (options.resume.id !== null &&
options.resume.id !== undefined &&
!qq.isFunction(options.resume.id) &&
!qq.isObject(options.resume.id)) {
return options.resume.id;
}
}
function handleFileChunkingUpload(id, retry) {
var name = api.getName(id),
firstChunkIndex = 0,
persistedChunkInfoForResume, firstChunkDataForResume, currentChunkIndex;
if (!fileState[id].remainingChunkIdxs || fileState[id].remainingChunkIdxs.length === 0) {
fileState[id].remainingChunkIdxs = [];
if (resumeEnabled && !retry && fileState[id].file) {
persistedChunkInfoForResume = getPersistedChunkData(id);
if (persistedChunkInfoForResume) {
firstChunkDataForResume = getChunkData(id, persistedChunkInfoForResume.part);
if (options.onResume(id, name, getChunkDataForCallback(firstChunkDataForResume)) !== false) {
firstChunkIndex = persistedChunkInfoForResume.part;
fileState[id].uuid = persistedChunkInfoForResume.uuid;
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);
}
}
}
for (currentChunkIndex = getTotalChunks(id)-1; currentChunkIndex >= firstChunkIndex; currentChunkIndex-=1) {
fileState[id].remainingChunkIdxs.unshift(currentChunkIndex);
}
}
uploadNextChunk(id);
}
function handleStandardFileUpload(id) {
var fileOrBlob = fileState[id].file || fileState[id].blobData.blob,
name = api.getName(id),
xhr, params, toSend;
fileState[id].loaded = 0;
xhr = createXhr(id);
xhr.upload.onprogress = function(e){
if (e.lengthComputable){
fileState[id].loaded = e.loaded;
options.onProgress(id, name, e.loaded, e.total);
}
};
xhr.onreadystatechange = getReadyStateChangeHandler(id, xhr);
params = options.paramsStore.getParams(id);
toSend = setParamsAndGetEntityToSend(params, xhr, fileOrBlob, id);
setHeaders(id, xhr);
log('Sending upload request for ' + id);
xhr.send(toSend);
}
api = {
/**
* Adds File or Blob to the queue
* Returns id to use with upload, cancel
**/
add: function(fileOrBlobData){
var id;
if (fileOrBlobData instanceof File) {
id = fileState.push({file: fileOrBlobData}) - 1;
}
else if (fileOrBlobData.blob instanceof Blob) {
id = fileState.push({blobData: fileOrBlobData}) - 1;
}
else {
throw new Error('Passed obj in not a File or BlobData (in qq.UploadHandlerXhr)');
}
fileState[id].uuid = qq.getUniqueId();
return id;
},
getName: function(id){
var file = fileState[id].file,
blobData = fileState[id].blobData;
if (file) {
// fix missing name in Safari 4
//NOTE: fixed missing name firefox 11.0a2 file.fileName is actually undefined
return (file.fileName !== null && file.fileName !== undefined) ? file.fileName : file.name;
}
else {
return blobData.name;
}
},
getSize: function(id){
/*jshint eqnull: true*/
var fileOrBlob = fileState[id].file || fileState[id].blobData.blob;
if (qq.isFileOrInput(fileOrBlob)) {
return fileOrBlob.fileSize != null ? fileOrBlob.fileSize : fileOrBlob.size;
}
else {
return fileOrBlob.size;
}
},
getFile: function(id) {
if (fileState[id]) {
return fileState[id].file || fileState[id].blobData.blob;
}
},
/**
* Returns uploaded bytes for file identified by id
*/
getLoaded: function(id){
return fileState[id].loaded || 0;
},
isValid: function(id) {
return fileState[id] !== undefined;
},
reset: function() {
fileState = [];
},
getUuid: function(id) {
return fileState[id].uuid;
},
/**
* Sends the file identified by id to the server
*/
upload: function(id, retry){
var name = this.getName(id);
options.onUpload(id, name);
if (chunkFiles) {
handleFileChunkingUpload(id, retry);
}
else {
handleStandardFileUpload(id);
}
},
cancel: function(id){
var xhr = fileState[id].xhr;
options.onCancel(id, this.getName(id));
if (xhr) {
xhr.onreadystatechange = null;
xhr.abort();
}
if (resumeEnabled) {
deletePersistedChunkData(id);
}
delete fileState[id];
},
getResumableFilesData: function() {
var matchingCookieNames = [],
resumableFilesData = [];
if (chunkFiles && resumeEnabled) {
if (resumeId === undefined) {
matchingCookieNames = qq.getCookieNames(new RegExp("^qqfilechunk\\" + cookieItemDelimiter + ".+\\" +
cookieItemDelimiter + "\\d+\\" + cookieItemDelimiter + options.chunking.partSize + "="));
}
else {
matchingCookieNames = qq.getCookieNames(new RegExp("^qqfilechunk\\" + cookieItemDelimiter + ".+\\" +
cookieItemDelimiter + "\\d+\\" + cookieItemDelimiter + options.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 [];
}
};
return api;
};
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