/*
 * jQuery File Upload Processing Plugin
 * https://github.com/blueimp/jQuery-File-Upload
 *
 * Copyright 2012, Sebastian Tschan
 * https://blueimp.net
 *
 * Licensed under the MIT license:
 * http://www.opensource.org/licenses/MIT
 */

/* jshint nomen:false */
/* global define, require, window */
(function(factory){"use strict";if(typeof define==="function"&&define.amd){define(["jquery","./jquery.fileupload"],factory)}else{factory(window.jQuery)}})(function($){"use strict";var originalAdd=$.blueimp.fileupload.prototype.options.add;$.widget("blueimp.fileupload",$.blueimp.fileupload,{options:{processQueue:[],add:function(e,data){var $this=$(this);data.process(function(){return $this.fileupload("process",data)});originalAdd.call(this,e,data)}},processActions:{},_processFile:function(data,originalData){var that=this,dfd=$.Deferred().resolveWith(that,[data]),chain=dfd.promise();this._trigger("process",null,data);$.each(data.processQueue,function(i,settings){var func=function(data){if(originalData.errorThrown){return $.Deferred().rejectWith(that,[originalData]).promise()}return that.processActions[settings.action].call(that,data,settings)};chain=chain.pipe(func,settings.always&&func)});chain.done(function(){that._trigger("processdone",null,data);that._trigger("processalways",null,data)}).fail(function(){that._trigger("processfail",null,data);that._trigger("processalways",null,data)});return chain},_transformProcessQueue:function(options){var processQueue=[];$.each(options.processQueue,function(){var settings={},action=this.action,prefix=this.prefix===true?action:this.prefix;$.each(this,function(key,value){if($.type(value)==="string"&&value.charAt(0)==="@"){settings[key]=options[value.slice(1)||(prefix?prefix+key.charAt(0).toUpperCase()+key.slice(1):key)]}else{settings[key]=value}});processQueue.push(settings)});options.processQueue=processQueue},processing:function(){return this._processing},process:function(data){var that=this,options=$.extend({},this.options,data);if(options.processQueue&&options.processQueue.length){this._transformProcessQueue(options);if(this._processing===0){this._trigger("processstart")}$.each(data.files,function(index){var opts=index?$.extend({},options):options,func=function(){if(data.errorThrown){return $.Deferred().rejectWith(that,[data]).promise()}return that._processFile(opts,data)};opts.index=index;that._processing+=1;that._processingQueue=that._processingQueue.pipe(func,func).always(function(){that._processing-=1;if(that._processing===0){that._trigger("processstop")}})})}return this._processingQueue},_create:function(){this._super();this._processing=0;this._processingQueue=$.Deferred().resolveWith(this).promise()}})});