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plupload.js (60314B)

---

 /**
  * Plupload - multi-runtime File Uploader
  * v2.1.9
  *
  * Copyright 2013, Moxiecode Systems AB
  * Released under GPL License.
  *
  * License: http://www.plupload.com/license
  * Contributing: http://www.plupload.com/contributing
  *
  * Date: 2016-05-15
  */
 /**
  * Plupload.js
  *
  * Copyright 2013, Moxiecode Systems AB
  * Released under GPL License.
  *
  * License: http://www.plupload.com/license
  * Contributing: http://www.plupload.com/contributing
  */
 
 /**
  * Modified for WordPress, Silverlight and Flash runtimes support was removed.
  * See https://core.trac.wordpress.org/ticket/41755.
  */
 
 /*global mOxie:true */
 
 ;(function(window, o, undef) {
 
 var delay = window.setTimeout
 , fileFilters = {}
 ;
 
 // convert plupload features to caps acceptable by mOxie
 function normalizeCaps(settings) {		
 	var features = settings.required_features, caps = {};
 
 	function resolve(feature, value, strict) {
 		// Feature notation is deprecated, use caps (this thing here is required for backward compatibility)
 		var map = { 
 			chunks: 'slice_blob',
 			jpgresize: 'send_binary_string',
 			pngresize: 'send_binary_string',
 			progress: 'report_upload_progress',
 			multi_selection: 'select_multiple',
 			dragdrop: 'drag_and_drop',
 			drop_element: 'drag_and_drop',
 			headers: 'send_custom_headers',
 			urlstream_upload: 'send_binary_string',
 			canSendBinary: 'send_binary',
 			triggerDialog: 'summon_file_dialog'
 		};
 
 		if (map[feature]) {
 			caps[map[feature]] = value;
 		} else if (!strict) {
 			caps[feature] = value;
 		}
 	}
 
 	if (typeof(features) === 'string') {
 		plupload.each(features.split(/\s*,\s*/), function(feature) {
 			resolve(feature, true);
 		});
 	} else if (typeof(features) === 'object') {
 		plupload.each(features, function(value, feature) {
 			resolve(feature, value);
 		});
 	} else if (features === true) {
 		// check settings for required features
 		if (settings.chunk_size > 0) {
 			caps.slice_blob = true;
 		}
 
 		if (settings.resize.enabled || !settings.multipart) {
 			caps.send_binary_string = true;
 		}
 		
 		plupload.each(settings, function(value, feature) {
 			resolve(feature, !!value, true); // strict check
 		});
 	}
 
 	// WP: only html runtimes.
 	settings.runtimes = 'html5,html4';
 
 	return caps;
 }
 
 /** 
  * @module plupload	
  * @static
  */
 var plupload = {
 	/**
 	 * Plupload version will be replaced on build.
 	 *
 	 * @property VERSION
 	 * @for Plupload
 	 * @static
 	 * @final
 	 */
 	VERSION : '2.1.9',
 
 	/**
 	 * The state of the queue before it has started and after it has finished
 	 *
 	 * @property STOPPED
 	 * @static
 	 * @final
 	 */
 	STOPPED : 1,
 
 	/**
 	 * Upload process is running
 	 *
 	 * @property STARTED
 	 * @static
 	 * @final
 	 */
 	STARTED : 2,
 
 	/**
 	 * File is queued for upload
 	 *
 	 * @property QUEUED
 	 * @static
 	 * @final
 	 */
 	QUEUED : 1,
 
 	/**
 	 * File is being uploaded
 	 *
 	 * @property UPLOADING
 	 * @static
 	 * @final
 	 */
 	UPLOADING : 2,
 
 	/**
 	 * File has failed to be uploaded
 	 *
 	 * @property FAILED
 	 * @static
 	 * @final
 	 */
 	FAILED : 4,
 
 	/**
 	 * File has been uploaded successfully
 	 *
 	 * @property DONE
 	 * @static
 	 * @final
 	 */
 	DONE : 5,
 
 	// Error constants used by the Error event
 
 	/**
 	 * Generic error for example if an exception is thrown inside Silverlight.
 	 *
 	 * @property GENERIC_ERROR
 	 * @static
 	 * @final
 	 */
 	GENERIC_ERROR : -100,
 
 	/**
 	 * HTTP transport error. For example if the server produces a HTTP status other than 200.
 	 *
 	 * @property HTTP_ERROR
 	 * @static
 	 * @final
 	 */
 	HTTP_ERROR : -200,
 
 	/**
 	 * Generic I/O error. For example if it wasn't possible to open the file stream on local machine.
 	 *
 	 * @property IO_ERROR
 	 * @static
 	 * @final
 	 */
 	IO_ERROR : -300,
 
 	/**
 	 * @property SECURITY_ERROR
 	 * @static
 	 * @final
 	 */
 	SECURITY_ERROR : -400,
 
 	/**
 	 * Initialization error. Will be triggered if no runtime was initialized.
 	 *
 	 * @property INIT_ERROR
 	 * @static
 	 * @final
 	 */
 	INIT_ERROR : -500,
 
 	/**
 	 * File size error. If the user selects a file that is too large it will be blocked and an error of this type will be triggered.
 	 *
 	 * @property FILE_SIZE_ERROR
 	 * @static
 	 * @final
 	 */
 	FILE_SIZE_ERROR : -600,
 
 	/**
 	 * File extension error. If the user selects a file that isn't valid according to the filters setting.
 	 *
 	 * @property FILE_EXTENSION_ERROR
 	 * @static
 	 * @final
 	 */
 	FILE_EXTENSION_ERROR : -601,
 
 	/**
 	 * Duplicate file error. If prevent_duplicates is set to true and user selects the same file again.
 	 *
 	 * @property FILE_DUPLICATE_ERROR
 	 * @static
 	 * @final
 	 */
 	FILE_DUPLICATE_ERROR : -602,
 
 	/**
 	 * Runtime will try to detect if image is proper one. Otherwise will throw this error.
 	 *
 	 * @property IMAGE_FORMAT_ERROR
 	 * @static
 	 * @final
 	 */
 	IMAGE_FORMAT_ERROR : -700,
 
 	/**
 	 * While working on files runtime may run out of memory and will throw this error.
 	 *
 	 * @since 2.1.2
 	 * @property MEMORY_ERROR
 	 * @static
 	 * @final
 	 */
 	MEMORY_ERROR : -701,
 
 	/**
 	 * Each runtime has an upper limit on a dimension of the image it can handle. If bigger, will throw this error.
 	 *
 	 * @property IMAGE_DIMENSIONS_ERROR
 	 * @static
 	 * @final
 	 */
 	IMAGE_DIMENSIONS_ERROR : -702,
 
 	/**
 	 * Mime type lookup table.
 	 *
 	 * @property mimeTypes
 	 * @type Object
 	 * @final
 	 */
 	mimeTypes : o.mimes,
 
 	/**
 	 * In some cases sniffing is the only way around :(
 	 */
 	ua: o.ua,
 
 	/**
 	 * Gets the true type of the built-in object (better version of typeof).
 	 * @credits Angus Croll (http://javascriptweblog.wordpress.com/)
 	 *
 	 * @method typeOf
 	 * @static
 	 * @param {Object} o Object to check.
 	 * @return {String} Object [[Class]]
 	 */
 	typeOf: o.typeOf,
 
 	/**
 	 * Extends the specified object with another object.
 	 *
 	 * @method extend
 	 * @static
 	 * @param {Object} target Object to extend.
 	 * @param {Object..} obj Multiple objects to extend with.
 	 * @return {Object} Same as target, the extended object.
 	 */
 	extend : o.extend,
 
 	/**
 	 * Generates an unique ID. This is 99.99% unique since it takes the current time and 5 random numbers.
 	 * The only way a user would be able to get the same ID is if the two persons at the same exact millisecond manages
 	 * to get 5 the same random numbers between 0-65535 it also uses a counter so each call will be guaranteed to be page unique.
 	 * It's more probable for the earth to be hit with an asteriod. You can also if you want to be 100% sure set the plupload.guidPrefix property
 	 * to an user unique key.
 	 *
 	 * @method guid
 	 * @static
 	 * @return {String} Virtually unique id.
 	 */
 	guid : o.guid,
 
 	/**
 	 * Get array of DOM Elements by their ids.
 	 * 
 	 * @method get
 	 * @param {String} id Identifier of the DOM Element
 	 * @return {Array}
 	*/
 	getAll : function get(ids) {
 		var els = [], el;
 
 		if (plupload.typeOf(ids) !== 'array') {
 			ids = [ids];
 		}
 
 		var i = ids.length;
 		while (i--) {
 			el = plupload.get(ids[i]);
 			if (el) {
 				els.push(el);
 			}
 		}
 
 		return els.length ? els : null;
 	},
 
 	/**
 	Get DOM element by id
 
 	@method get
 	@param {String} id Identifier of the DOM Element
 	@return {Node}
 	*/
 	get: o.get,
 
 	/**
 	 * Executes the callback function for each item in array/object. If you return false in the
 	 * callback it will break the loop.
 	 *
 	 * @method each
 	 * @static
 	 * @param {Object} obj Object to iterate.
 	 * @param {function} callback Callback function to execute for each item.
 	 */
 	each : o.each,
 
 	/**
 	 * Returns the absolute x, y position of an Element. The position will be returned in a object with x, y fields.
 	 *
 	 * @method getPos
 	 * @static
 	 * @param {Element} node HTML element or element id to get x, y position from.
 	 * @param {Element} root Optional root element to stop calculations at.
 	 * @return {object} Absolute position of the specified element object with x, y fields.
 	 */
 	getPos : o.getPos,
 
 	/**
 	 * Returns the size of the specified node in pixels.
 	 *
 	 * @method getSize
 	 * @static
 	 * @param {Node} node Node to get the size of.
 	 * @return {Object} Object with a w and h property.
 	 */
 	getSize : o.getSize,
 
 	/**
 	 * Encodes the specified string.
 	 *
 	 * @method xmlEncode
 	 * @static
 	 * @param {String} s String to encode.
 	 * @return {String} Encoded string.
 	 */
 	xmlEncode : function(str) {
 		var xmlEncodeChars = {'<' : 'lt', '>' : 'gt', '&' : 'amp', '"' : 'quot', '\'' : '#39'}, xmlEncodeRegExp = /[<>&\"\']/g;
 
 		return str ? ('' + str).replace(xmlEncodeRegExp, function(chr) {
 			return xmlEncodeChars[chr] ? '&' + xmlEncodeChars[chr] + ';' : chr;
 		}) : str;
 	},
 
 	/**
 	 * Forces anything into an array.
 	 *
 	 * @method toArray
 	 * @static
 	 * @param {Object} obj Object with length field.
 	 * @return {Array} Array object containing all items.
 	 */
 	toArray : o.toArray,
 
 	/**
 	 * Find an element in array and return its index if present, otherwise return -1.
 	 *
 	 * @method inArray
 	 * @static
 	 * @param {mixed} needle Element to find
 	 * @param {Array} array
 	 * @return {Int} Index of the element, or -1 if not found
 	 */
 	inArray : o.inArray,
 
 	/**
 	 * Extends the language pack object with new items.
 	 *
 	 * @method addI18n
 	 * @static
 	 * @param {Object} pack Language pack items to add.
 	 * @return {Object} Extended language pack object.
 	 */
 	addI18n : o.addI18n,
 
 	/**
 	 * Translates the specified string by checking for the english string in the language pack lookup.
 	 *
 	 * @method translate
 	 * @static
 	 * @param {String} str String to look for.
 	 * @return {String} Translated string or the input string if it wasn't found.
 	 */
 	translate : o.translate,
 
 	/**
 	 * Checks if object is empty.
 	 *
 	 * @method isEmptyObj
 	 * @static
 	 * @param {Object} obj Object to check.
 	 * @return {Boolean}
 	 */
 	isEmptyObj : o.isEmptyObj,
 
 	/**
 	 * Checks if specified DOM element has specified class.
 	 *
 	 * @method hasClass
 	 * @static
 	 * @param {Object} obj DOM element like object to add handler to.
 	 * @param {String} name Class name
 	 */
 	hasClass : o.hasClass,
 
 	/**
 	 * Adds specified className to specified DOM element.
 	 *
 	 * @method addClass
 	 * @static
 	 * @param {Object} obj DOM element like object to add handler to.
 	 * @param {String} name Class name
 	 */
 	addClass : o.addClass,
 
 	/**
 	 * Removes specified className from specified DOM element.
 	 *
 	 * @method removeClass
 	 * @static
 	 * @param {Object} obj DOM element like object to add handler to.
 	 * @param {String} name Class name
 	 */
 	removeClass : o.removeClass,
 
 	/**
 	 * Returns a given computed style of a DOM element.
 	 *
 	 * @method getStyle
 	 * @static
 	 * @param {Object} obj DOM element like object.
 	 * @param {String} name Style you want to get from the DOM element
 	 */
 	getStyle : o.getStyle,
 
 	/**
 	 * Adds an event handler to the specified object and store reference to the handler
 	 * in objects internal Plupload registry (@see removeEvent).
 	 *
 	 * @method addEvent
 	 * @static
 	 * @param {Object} obj DOM element like object to add handler to.
 	 * @param {String} name Name to add event listener to.
 	 * @param {Function} callback Function to call when event occurs.
 	 * @param {String} (optional) key that might be used to add specifity to the event record.
 	 */
 	addEvent : o.addEvent,
 
 	/**
 	 * Remove event handler from the specified object. If third argument (callback)
 	 * is not specified remove all events with the specified name.
 	 *
 	 * @method removeEvent
 	 * @static
 	 * @param {Object} obj DOM element to remove event listener(s) from.
 	 * @param {String} name Name of event listener to remove.
 	 * @param {Function|String} (optional) might be a callback or unique key to match.
 	 */
 	removeEvent: o.removeEvent,
 
 	/**
 	 * Remove all kind of events from the specified object
 	 *
 	 * @method removeAllEvents
 	 * @static
 	 * @param {Object} obj DOM element to remove event listeners from.
 	 * @param {String} (optional) unique key to match, when removing events.
 	 */
 	removeAllEvents: o.removeAllEvents,
 
 	/**
 	 * Cleans the specified name from national characters (diacritics). The result will be a name with only a-z, 0-9 and _.
 	 *
 	 * @method cleanName
 	 * @static
 	 * @param {String} s String to clean up.
 	 * @return {String} Cleaned string.
 	 */
 	cleanName : function(name) {
 		var i, lookup;
 
 		// Replace diacritics
 		lookup = [
 			/[\300-\306]/g, 'A', /[\340-\346]/g, 'a',
 			/\307/g, 'C', /\347/g, 'c',
 			/[\310-\313]/g, 'E', /[\350-\353]/g, 'e',
 			/[\314-\317]/g, 'I', /[\354-\357]/g, 'i',
 			/\321/g, 'N', /\361/g, 'n',
 			/[\322-\330]/g, 'O', /[\362-\370]/g, 'o',
 			/[\331-\334]/g, 'U', /[\371-\374]/g, 'u'
 		];
 
 		for (i = 0; i < lookup.length; i += 2) {
 			name = name.replace(lookup[i], lookup[i + 1]);
 		}
 
 		// Replace whitespace
 		name = name.replace(/\s+/g, '_');
 
 		// Remove anything else
 		name = name.replace(/[^a-z0-9_\-\.]+/gi, '');
 
 		return name;
 	},
 
 	/**
 	 * Builds a full url out of a base URL and an object with items to append as query string items.
 	 *
 	 * @method buildUrl
 	 * @static
 	 * @param {String} url Base URL to append query string items to.
 	 * @param {Object} items Name/value object to serialize as a querystring.
 	 * @return {String} String with url + serialized query string items.
 	 */
 	buildUrl : function(url, items) {
 		var query = '';
 
 		plupload.each(items, function(value, name) {
 			query += (query ? '&' : '') + encodeURIComponent(name) + '=' + encodeURIComponent(value);
 		});
 
 		if (query) {
 			url += (url.indexOf('?') > 0 ? '&' : '?') + query;
 		}
 
 		return url;
 	},
 
 	/**
 	 * Formats the specified number as a size string for example 1024 becomes 1 KB.
 	 *
 	 * @method formatSize
 	 * @static
 	 * @param {Number} size Size to format as string.
 	 * @return {String} Formatted size string.
 	 */
 	formatSize : function(size) {
 
 		if (size === undef || /\D/.test(size)) {
 			return plupload.translate('N/A');
 		}
 
 		function round(num, precision) {
 			return Math.round(num * Math.pow(10, precision)) / Math.pow(10, precision);
 		}
 
 		var boundary = Math.pow(1024, 4);
 
 		// TB
 		if (size > boundary) {
 			return round(size / boundary, 1) + " " + plupload.translate('tb');
 		}
 
 		// GB
 		if (size > (boundary/=1024)) {
 			return round(size / boundary, 1) + " " + plupload.translate('gb');
 		}
 
 		// MB
 		if (size > (boundary/=1024)) {
 			return round(size / boundary, 1) + " " + plupload.translate('mb');
 		}
 
 		// KB
 		if (size > 1024) {
 			return Math.round(size / 1024) + " " + plupload.translate('kb');
 		}
 
 		return size + " " + plupload.translate('b');
 	},
 
 
 	/**
 	 * Parses the specified size string into a byte value. For example 10kb becomes 10240.
 	 *
 	 * @method parseSize
 	 * @static
 	 * @param {String|Number} size String to parse or number to just pass through.
 	 * @return {Number} Size in bytes.
 	 */
 	parseSize : o.parseSizeStr,
 
 
 	/**
 	 * A way to predict what runtime will be choosen in the current environment with the
 	 * specified settings.
 	 *
 	 * @method predictRuntime
 	 * @static
 	 * @param {Object|String} config Plupload settings to check
 	 * @param {String} [runtimes] Comma-separated list of runtimes to check against
 	 * @return {String} Type of compatible runtime
 	 */
 	predictRuntime : function(config, runtimes) {
 		var up, runtime;
 
 		up = new plupload.Uploader(config);
 		runtime = o.Runtime.thatCan(up.getOption().required_features, runtimes || config.runtimes);
 		up.destroy();
 		return runtime;
 	},
 
 	/**
 	 * Registers a filter that will be executed for each file added to the queue.
 	 * If callback returns false, file will not be added.
 	 *
 	 * Callback receives two arguments: a value for the filter as it was specified in settings.filters
 	 * and a file to be filtered. Callback is executed in the context of uploader instance.
 	 *
 	 * @method addFileFilter
 	 * @static
 	 * @param {String} name Name of the filter by which it can be referenced in settings.filters
 	 * @param {String} cb Callback - the actual routine that every added file must pass
 	 */
 	addFileFilter: function(name, cb) {
 		fileFilters[name] = cb;
 	}
 };
 
 
 plupload.addFileFilter('mime_types', function(filters, file, cb) {
 	if (filters.length && !filters.regexp.test(file.name)) {
 		this.trigger('Error', {
 			code : plupload.FILE_EXTENSION_ERROR,
 			message : plupload.translate('File extension error.'),
 			file : file
 		});
 		cb(false);
 	} else {
 		cb(true);
 	}
 });
 
 
 plupload.addFileFilter('max_file_size', function(maxSize, file, cb) {
 	var undef;
 
 	maxSize = plupload.parseSize(maxSize);
 
 	// Invalid file size
 	if (file.size !== undef && maxSize && file.size > maxSize) {
 		this.trigger('Error', {
 			code : plupload.FILE_SIZE_ERROR,
 			message : plupload.translate('File size error.'),
 			file : file
 		});
 		cb(false);
 	} else {
 		cb(true);
 	}
 });
 
 
 plupload.addFileFilter('prevent_duplicates', function(value, file, cb) {
 	if (value) {
 		var ii = this.files.length;
 		while (ii--) {
 			// Compare by name and size (size might be 0 or undefined, but still equivalent for both)
 			if (file.name === this.files[ii].name && file.size === this.files[ii].size) {
 				this.trigger('Error', {
 					code : plupload.FILE_DUPLICATE_ERROR,
 					message : plupload.translate('Duplicate file error.'),
 					file : file
 				});
 				cb(false);
 				return;
 			}
 		}
 	}
 	cb(true);
 });
 
 
 /**
 @class Uploader
 @constructor
 
 @param {Object} settings For detailed information about each option check documentation.
 	@param {String|DOMElement} settings.browse_button id of the DOM element or DOM element itself to use as file dialog trigger.
 	@param {String} settings.url URL of the server-side upload handler.
 	@param {Number|String} [settings.chunk_size=0] Chunk size in bytes to slice the file into. Shorcuts with b, kb, mb, gb, tb suffixes also supported. `e.g. 204800 or "204800b" or "200kb"`. By default - disabled.
 	@param {Boolean} [settings.send_chunk_number=true] Whether to send chunks and chunk numbers, or total and offset bytes.
 	@param {String|DOMElement} [settings.container] id of the DOM element or DOM element itself that will be used to wrap uploader structures. Defaults to immediate parent of the `browse_button` element.
 	@param {String|DOMElement} [settings.drop_element] id of the DOM element or DOM element itself to use as a drop zone for Drag-n-Drop.
 	@param {String} [settings.file_data_name="file"] Name for the file field in Multipart formated message.
 	@param {Object} [settings.filters={}] Set of file type filters.
 		@param {Array} [settings.filters.mime_types=[]] List of file types to accept, each one defined by title and list of extensions. `e.g. {title : "Image files", extensions : "jpg,jpeg,gif,png"}`. Dispatches `plupload.FILE_EXTENSION_ERROR`
 		@param {String|Number} [settings.filters.max_file_size=0] Maximum file size that the user can pick, in bytes. Optionally supports b, kb, mb, gb, tb suffixes. `e.g. "10mb" or "1gb"`. By default - not set. Dispatches `plupload.FILE_SIZE_ERROR`.
 		@param {Boolean} [settings.filters.prevent_duplicates=false] Do not let duplicates into the queue. Dispatches `plupload.FILE_DUPLICATE_ERROR`.
 	@param {String} [settings.flash_swf_url] URL of the Flash swf. (Not used in WordPress)
 	@param {Object} [settings.headers] Custom headers to send with the upload. Hash of name/value pairs.
 	@param {Number} [settings.max_retries=0] How many times to retry the chunk or file, before triggering Error event.
 	@param {Boolean} [settings.multipart=true] Whether to send file and additional parameters as Multipart formated message.
 	@param {Object} [settings.multipart_params] Hash of key/value pairs to send with every file upload.
 	@param {Boolean} [settings.multi_selection=true] Enable ability to select multiple files at once in file dialog.
 	@param {String|Object} [settings.required_features] Either comma-separated list or hash of required features that chosen runtime should absolutely possess.
 	@param {Object} [settings.resize] Enable resizng of images on client-side. Applies to `image/jpeg` and `image/png` only. `e.g. {width : 200, height : 200, quality : 90, crop: true}`
 		@param {Number} [settings.resize.width] If image is bigger, it will be resized.
 		@param {Number} [settings.resize.height] If image is bigger, it will be resized.
 		@param {Number} [settings.resize.quality=90] Compression quality for jpegs (1-100).
 		@param {Boolean} [settings.resize.crop=false] Whether to crop images to exact dimensions. By default they will be resized proportionally.
 	@param {String} [settings.runtimes="html5,html4"] Comma separated list of runtimes, that Plupload will try in turn, moving to the next if previous fails.
 	@param {String} [settings.silverlight_xap_url] URL of the Silverlight xap. (Not used in WordPress)
 	@param {Boolean} [settings.unique_names=false] If true will generate unique filenames for uploaded files.
 	@param {Boolean} [settings.send_file_name=true] Whether to send file name as additional argument - 'name' (required for chunked uploads and some other cases where file name cannot be sent via normal ways).
 */
 plupload.Uploader = function(options) {
 	/**
 	Fires when the current RunTime has been initialized.
 	
 	@event Init
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	 */
 
 	/**
 	Fires after the init event incase you need to perform actions there.
 	
 	@event PostInit
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	 */
 
 	/**
 	Fires when the option is changed in via uploader.setOption().
 	
 	@event OptionChanged
 	@since 2.1
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	@param {String} name Name of the option that was changed
 	@param {Mixed} value New value for the specified option
 	@param {Mixed} oldValue Previous value of the option
 	 */
 
 	/**
 	Fires when the silverlight/flash or other shim needs to move.
 	
 	@event Refresh
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	 */
 
 	/**
 	Fires when the overall state is being changed for the upload queue.
 	
 	@event StateChanged
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	 */
 
 	/**
 	Fires when browse_button is clicked and browse dialog shows.
 	
 	@event Browse
 	@since 2.1.2
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	 */	
 
 	/**
 	Fires for every filtered file before it is added to the queue.
 	
 	@event FileFiltered
 	@since 2.1
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	@param {plupload.File} file Another file that has to be added to the queue.
 	 */
 
 	/**
 	Fires when the file queue is changed. In other words when files are added/removed to the files array of the uploader instance.
 	
 	@event QueueChanged
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	 */ 
 
 	/**
 	Fires after files were filtered and added to the queue.
 	
 	@event FilesAdded
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	@param {Array} files Array of file objects that were added to queue by the user.
 	 */
 
 	/**
 	Fires when file is removed from the queue.
 	
 	@event FilesRemoved
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	@param {Array} files Array of files that got removed.
 	 */
 
 	/**
 	Fires just before a file is uploaded. Can be used to cancel the upload for the specified file
 	by returning false from the handler.
 	
 	@event BeforeUpload
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	@param {plupload.File} file File to be uploaded.
 	 */
 
 	/**
 	Fires when a file is to be uploaded by the runtime.
 	
 	@event UploadFile
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	@param {plupload.File} file File to be uploaded.
 	 */
 
 	/**
 	Fires while a file is being uploaded. Use this event to update the current file upload progress.
 	
 	@event UploadProgress
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	@param {plupload.File} file File that is currently being uploaded.
 	 */	
 
 	/**
 	Fires when file chunk is uploaded.
 	
 	@event ChunkUploaded
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	@param {plupload.File} file File that the chunk was uploaded for.
 	@param {Object} result Object with response properties.
 		@param {Number} result.offset The amount of bytes the server has received so far, including this chunk.
 		@param {Number} result.total The size of the file.
 		@param {String} result.response The response body sent by the server.
 		@param {Number} result.status The HTTP status code sent by the server.
 		@param {String} result.responseHeaders All the response headers as a single string.
 	 */
 
 	/**
 	Fires when a file is successfully uploaded.
 	
 	@event FileUploaded
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	@param {plupload.File} file File that was uploaded.
 	@param {Object} result Object with response properties.
 		@param {String} result.response The response body sent by the server.
 		@param {Number} result.status The HTTP status code sent by the server.
 		@param {String} result.responseHeaders All the response headers as a single string.
 	 */
 
 	/**
 	Fires when all files in a queue are uploaded.
 	
 	@event UploadComplete
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	@param {Array} files Array of file objects that was added to queue/selected by the user.
 	 */
 
 	/**
 	Fires when a error occurs.
 	
 	@event Error
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	@param {Object} error Contains code, message and sometimes file and other details.
 		@param {Number} error.code The plupload error code.
 		@param {String} error.message Description of the error (uses i18n).
 	 */
 
 	/**
 	Fires when destroy method is called.
 	
 	@event Destroy
 	@param {plupload.Uploader} uploader Uploader instance sending the event.
 	 */
 	var uid = plupload.guid()
 	, settings
 	, files = []
 	, preferred_caps = {}
 	, fileInputs = []
 	, fileDrops = []
 	, startTime
 	, total
 	, disabled = false
 	, xhr
 	;
 
 
 	// Private methods
 	function uploadNext() {
 		var file, count = 0, i;
 
 		if (this.state == plupload.STARTED) {
 			// Find first QUEUED file
 			for (i = 0; i < files.length; i++) {
 				if (!file && files[i].status == plupload.QUEUED) {
 					file = files[i];
 					if (this.trigger("BeforeUpload", file)) {
 						file.status = plupload.UPLOADING;
 						this.trigger("UploadFile", file);
 					}
 				} else {
 					count++;
 				}
 			}
 
 			// All files are DONE or FAILED
 			if (count == files.length) {
 				if (this.state !== plupload.STOPPED) {
 					this.state = plupload.STOPPED;
 					this.trigger("StateChanged");
 				}
 				this.trigger("UploadComplete", files);
 			}
 		}
 	}
 
 
 	function calcFile(file) {
 		file.percent = file.size > 0 ? Math.ceil(file.loaded / file.size * 100) : 100;
 		calc();
 	}
 
 
 	function calc() {
 		var i, file;
 
 		// Reset stats
 		total.reset();
 
 		// Check status, size, loaded etc on all files
 		for (i = 0; i < files.length; i++) {
 			file = files[i];
 
 			if (file.size !== undef) {
 				// We calculate totals based on original file size
 				total.size += file.origSize;
 
 				// Since we cannot predict file size after resize, we do opposite and
 				// interpolate loaded amount to match magnitude of total
 				total.loaded += file.loaded * file.origSize / file.size;
 			} else {
 				total.size = undef;
 			}
 
 			if (file.status == plupload.DONE) {
 				total.uploaded++;
 			} else if (file.status == plupload.FAILED) {
 				total.failed++;
 			} else {
 				total.queued++;
 			}
 		}
 
 		// If we couldn't calculate a total file size then use the number of files to calc percent
 		if (total.size === undef) {
 			total.percent = files.length > 0 ? Math.ceil(total.uploaded / files.length * 100) : 0;
 		} else {
 			total.bytesPerSec = Math.ceil(total.loaded / ((+new Date() - startTime || 1) / 1000.0));
 			total.percent = total.size > 0 ? Math.ceil(total.loaded / total.size * 100) : 0;
 		}
 	}
 
 
 	function getRUID() {
 		var ctrl = fileInputs[0] || fileDrops[0];
 		if (ctrl) {
 			return ctrl.getRuntime().uid;
 		}
 		return false;
 	}
 
 
 	function runtimeCan(file, cap) {
 		if (file.ruid) {
 			var info = o.Runtime.getInfo(file.ruid);
 			if (info) {
 				return info.can(cap);
 			}
 		}
 		return false;
 	}
 
 
 	function bindEventListeners() {
 		this.bind('FilesAdded FilesRemoved', function(up) {
 			up.trigger('QueueChanged');
 			up.refresh();
 		});
 
 		this.bind('CancelUpload', onCancelUpload);
 		
 		this.bind('BeforeUpload', onBeforeUpload);
 
 		this.bind('UploadFile', onUploadFile);
 
 		this.bind('UploadProgress', onUploadProgress);
 
 		this.bind('StateChanged', onStateChanged);
 
 		this.bind('QueueChanged', calc);
 
 		this.bind('Error', onError);
 
 		this.bind('FileUploaded', onFileUploaded);
 
 		this.bind('Destroy', onDestroy);
 	}
 
 
 	function initControls(settings, cb) {
 		var self = this, inited = 0, queue = [];
 
 		// common settings
 		var options = {
 			runtime_order: settings.runtimes,
 			required_caps: settings.required_features,
 			preferred_caps: preferred_caps
 		};
 
 		// add runtime specific options if any
 		plupload.each(settings.runtimes.split(/\s*,\s*/), function(runtime) {
 			if (settings[runtime]) {
 				options[runtime] = settings[runtime];
 			}
 		});
 
 		// initialize file pickers - there can be many
 		if (settings.browse_button) {
 			plupload.each(settings.browse_button, function(el) {
 				queue.push(function(cb) {
 					var fileInput = new o.FileInput(plupload.extend({}, options, {
 						accept: settings.filters.mime_types,
 						name: settings.file_data_name,
 						multiple: settings.multi_selection,
 						container: settings.container,
 						browse_button: el
 					}));
 
 					fileInput.onready = function() {
 						var info = o.Runtime.getInfo(this.ruid);
 
 						// for backward compatibility
 						o.extend(self.features, {
 							chunks: info.can('slice_blob'),
 							multipart: info.can('send_multipart'),
 							multi_selection: info.can('select_multiple')
 						});
 
 						inited++;
 						fileInputs.push(this);
 						cb();
 					};
 
 					fileInput.onchange = function() {
 						self.addFile(this.files);
 					};
 
 					fileInput.bind('mouseenter mouseleave mousedown mouseup', function(e) {
 						if (!disabled) {
 							if (settings.browse_button_hover) {
 								if ('mouseenter' === e.type) {
 									o.addClass(el, settings.browse_button_hover);
 								} else if ('mouseleave' === e.type) {
 									o.removeClass(el, settings.browse_button_hover);
 								}
 							}
 
 							if (settings.browse_button_active) {
 								if ('mousedown' === e.type) {
 									o.addClass(el, settings.browse_button_active);
 								} else if ('mouseup' === e.type) {
 									o.removeClass(el, settings.browse_button_active);
 								}
 							}
 						}
 					});
 
 					fileInput.bind('mousedown', function() {
 						self.trigger('Browse');
 					});
 
 					fileInput.bind('error runtimeerror', function() {
 						fileInput = null;
 						cb();
 					});
 
 					fileInput.init();
 				});
 			});
 		}
 
 		// initialize drop zones
 		if (settings.drop_element) {
 			plupload.each(settings.drop_element, function(el) {
 				queue.push(function(cb) {
 					var fileDrop = new o.FileDrop(plupload.extend({}, options, {
 						drop_zone: el
 					}));
 
 					fileDrop.onready = function() {
 						var info = o.Runtime.getInfo(this.ruid);
 
 						// for backward compatibility
 						o.extend(self.features, {
 							chunks: info.can('slice_blob'),
 							multipart: info.can('send_multipart'),
 							dragdrop: info.can('drag_and_drop')
 						});
 
 						inited++;
 						fileDrops.push(this);
 						cb();
 					};
 
 					fileDrop.ondrop = function() {
 						self.addFile(this.files);
 					};
 
 					fileDrop.bind('error runtimeerror', function() {
 						fileDrop = null;
 						cb();
 					});
 
 					fileDrop.init();
 				});
 			});
 		}
 
 
 		o.inSeries(queue, function() {
 			if (typeof(cb) === 'function') {
 				cb(inited);
 			}
 		});
 	}
 
 
 	function resizeImage(blob, params, cb) {
 		var img = new o.Image();
 
 		try {
 			img.onload = function() {
 				// no manipulation required if...
 				if (params.width > this.width &&
 					params.height > this.height &&
 					params.quality === undef &&
 					params.preserve_headers &&
 					!params.crop
 				) {
 					this.destroy();
 					return cb(blob);
 				}
 				// otherwise downsize
 				img.downsize(params.width, params.height, params.crop, params.preserve_headers);
 			};
 
 			img.onresize = function() {
 				cb(this.getAsBlob(blob.type, params.quality));
 				this.destroy();
 			};
 
 			img.onerror = function() {
 				cb(blob);
 			};
 
 			img.load(blob);
 		} catch(ex) {
 			cb(blob);
 		}
 	}
 
 
 	function setOption(option, value, init) {
 		var self = this, reinitRequired = false;
 
 		function _setOption(option, value, init) {
 			var oldValue = settings[option];
 
 			switch (option) {
 				case 'max_file_size':
 					if (option === 'max_file_size') {
 						settings.max_file_size = settings.filters.max_file_size = value;
 					}
 					break;
 
 				case 'chunk_size':
 					if (value = plupload.parseSize(value)) {
 						settings[option] = value;
 						settings.send_file_name = true;
 					}
 					break;
 
 				case 'multipart':
 					settings[option] = value;
 					if (!value) {
 						settings.send_file_name = true;
 					}
 					break;
 
 				case 'unique_names':
 					settings[option] = value;
 					if (value) {
 						settings.send_file_name = true;
 					}
 					break;
 
 				case 'filters':
 					// for sake of backward compatibility
 					if (plupload.typeOf(value) === 'array') {
 						value = {
 							mime_types: value
 						};
 					}
 
 					if (init) {
 						plupload.extend(settings.filters, value);
 					} else {
 						settings.filters = value;
 					}
 
 					// if file format filters are being updated, regenerate the matching expressions
 					if (value.mime_types) {
 						settings.filters.mime_types.regexp = (function(filters) {
 							var extensionsRegExp = [];
 
 							plupload.each(filters, function(filter) {
 								plupload.each(filter.extensions.split(/,/), function(ext) {
 									if (/^\s*\*\s*$/.test(ext)) {
 										extensionsRegExp.push('\\.*');
 									} else {
 										extensionsRegExp.push('\\.' + ext.replace(new RegExp('[' + ('/^$.*+?|()[]{}\\'.replace(/./g, '\\$&')) + ']', 'g'), '\\$&'));
 									}
 								});
 							});
 
 							return new RegExp('(' + extensionsRegExp.join('|') + ')$', 'i');
 						}(settings.filters.mime_types));
 					}
 					break;
 	
 				case 'resize':
 					if (init) {
 						plupload.extend(settings.resize, value, {
 							enabled: true
 						});
 					} else {
 						settings.resize = value;
 					}
 					break;
 
 				case 'prevent_duplicates':
 					settings.prevent_duplicates = settings.filters.prevent_duplicates = !!value;
 					break;
 
 				// options that require reinitialisation
 				case 'container':
 				case 'browse_button':
 				case 'drop_element':
 						value = 'container' === option
 							? plupload.get(value)
 							: plupload.getAll(value)
 							; 
 				
 				case 'runtimes':
 				case 'multi_selection':
 					settings[option] = value;
 					if (!init) {
 						reinitRequired = true;
 					}
 					break;
 
 				default:
 					settings[option] = value;
 			}
 
 			if (!init) {
 				self.trigger('OptionChanged', option, value, oldValue);
 			}
 		}
 
 		if (typeof(option) === 'object') {
 			plupload.each(option, function(value, option) {
 				_setOption(option, value, init);
 			});
 		} else {
 			_setOption(option, value, init);
 		}
 
 		if (init) {
 			// Normalize the list of required capabilities
 			settings.required_features = normalizeCaps(plupload.extend({}, settings));
 
 			// Come up with the list of capabilities that can affect default mode in a multi-mode runtimes
 			preferred_caps = normalizeCaps(plupload.extend({}, settings, {
 				required_features: true
 			}));
 		} else if (reinitRequired) {
 			self.trigger('Destroy');
 			
 			initControls.call(self, settings, function(inited) {
 				if (inited) {
 					self.runtime = o.Runtime.getInfo(getRUID()).type;
 					self.trigger('Init', { runtime: self.runtime });
 					self.trigger('PostInit');
 				} else {
 					self.trigger('Error', {
 						code : plupload.INIT_ERROR,
 						message : plupload.translate('Init error.')
 					});
 				}
 			});
 		}
 	}
 
 
 	// Internal event handlers
 	function onBeforeUpload(up, file) {
 		// Generate unique target filenames
 		if (up.settings.unique_names) {
 			var matches = file.name.match(/\.([^.]+)$/), ext = "part";
 			if (matches) {
 				ext = matches[1];
 			}
 			file.target_name = file.id + '.' + ext;
 		}
 	}
 
 
 	function onUploadFile(up, file) {
 		var url = up.settings.url
 		, chunkSize = up.settings.chunk_size
 		, retries = up.settings.max_retries
 		, features = up.features
 		, offset = 0
 		, blob
 		;
 
 		// make sure we start at a predictable offset
 		if (file.loaded) {
 			offset = file.loaded = chunkSize ? chunkSize * Math.floor(file.loaded / chunkSize) : 0;
 		}
 
 		function handleError() {
 			if (retries-- > 0) {
 				delay(uploadNextChunk, 1000);
 			} else {
 				file.loaded = offset; // reset all progress
 
 				up.trigger('Error', {
 					code : plupload.HTTP_ERROR,
 					message : plupload.translate('HTTP Error.'),
 					file : file,
 					response : xhr.responseText,
 					status : xhr.status,
 					responseHeaders: xhr.getAllResponseHeaders()
 				});
 			}
 		}
 
 		function uploadNextChunk() {
 			var chunkBlob, formData, args = {}, curChunkSize;
 
 			// make sure that file wasn't cancelled and upload is not stopped in general
 			if (file.status !== plupload.UPLOADING || up.state === plupload.STOPPED) {
 				return;
 			}
 
 			// send additional 'name' parameter only if required
 			if (up.settings.send_file_name) {
 				args.name = file.target_name || file.name;
 			}
 
 			if (chunkSize && features.chunks && blob.size > chunkSize) { // blob will be of type string if it was loaded in memory 
 				curChunkSize = Math.min(chunkSize, blob.size - offset);
 				chunkBlob = blob.slice(offset, offset + curChunkSize);
 			} else {
 				curChunkSize = blob.size;
 				chunkBlob = blob;
 			}
 
 			// If chunking is enabled add corresponding args, no matter if file is bigger than chunk or smaller
 			if (chunkSize && features.chunks) {
 				// Setup query string arguments
 				if (up.settings.send_chunk_number) {
 					args.chunk = Math.ceil(offset / chunkSize);
 					args.chunks = Math.ceil(blob.size / chunkSize);
 				} else { // keep support for experimental chunk format, just in case
 					args.offset = offset;
 					args.total = blob.size;
 				}
 			}
 
 			xhr = new o.XMLHttpRequest();
 
 			// Do we have upload progress support
 			if (xhr.upload) {
 				xhr.upload.onprogress = function(e) {
 					file.loaded = Math.min(file.size, offset + e.loaded);
 					up.trigger('UploadProgress', file);
 				};
 			}
 
 			xhr.onload = function() {
 				// check if upload made itself through
 				if (xhr.status >= 400) {
 					handleError();
 					return;
 				}
 
 				retries = up.settings.max_retries; // reset the counter
 
 				// Handle chunk response
 				if (curChunkSize < blob.size) {
 					chunkBlob.destroy();
 
 					offset += curChunkSize;
 					file.loaded = Math.min(offset, blob.size);
 
 					up.trigger('ChunkUploaded', file, {
 						offset : file.loaded,
 						total : blob.size,
 						response : xhr.responseText,
 						status : xhr.status,
 						responseHeaders: xhr.getAllResponseHeaders()
 					});
 
 					// stock Android browser doesn't fire upload progress events, but in chunking mode we can fake them
 					if (o.Env.browser === 'Android Browser') {
 						// doesn't harm in general, but is not required anywhere else
 						up.trigger('UploadProgress', file);
 					} 
 				} else {
 					file.loaded = file.size;
 				}
 
 				chunkBlob = formData = null; // Free memory
 
 				// Check if file is uploaded
 				if (!offset || offset >= blob.size) {
 					// If file was modified, destory the copy
 					if (file.size != file.origSize) {
 						blob.destroy();
 						blob = null;
 					}
 
 					up.trigger('UploadProgress', file);
 
 					file.status = plupload.DONE;
 
 					up.trigger('FileUploaded', file, {
 						response : xhr.responseText,
 						status : xhr.status,
 						responseHeaders: xhr.getAllResponseHeaders()
 					});
 				} else {
 					// Still chunks left
 					delay(uploadNextChunk, 1); // run detached, otherwise event handlers interfere
 				}
 			};
 
 			xhr.onerror = function() {
 				handleError();
 			};
 
 			xhr.onloadend = function() {
 				this.destroy();
 				xhr = null;
 			};
 
 			// Build multipart request
 			if (up.settings.multipart && features.multipart) {
 				xhr.open("post", url, true);
 
 				// Set custom headers
 				plupload.each(up.settings.headers, function(value, name) {
 					xhr.setRequestHeader(name, value);
 				});
 
 				formData = new o.FormData();
 
 				// Add multipart params
 				plupload.each(plupload.extend(args, up.settings.multipart_params), function(value, name) {
 					formData.append(name, value);
 				});
 
 				// Add file and send it
 				formData.append(up.settings.file_data_name, chunkBlob);
 				xhr.send(formData, {
 					runtime_order: up.settings.runtimes,
 					required_caps: up.settings.required_features,
 					preferred_caps: preferred_caps
 				});
 			} else {
 				// if no multipart, send as binary stream
 				url = plupload.buildUrl(up.settings.url, plupload.extend(args, up.settings.multipart_params));
 
 				xhr.open("post", url, true);
 
 				xhr.setRequestHeader('Content-Type', 'application/octet-stream'); // Binary stream header
 
 				// Set custom headers
 				plupload.each(up.settings.headers, function(value, name) {
 					xhr.setRequestHeader(name, value);
 				});
 
 				xhr.send(chunkBlob, {
 					runtime_order: up.settings.runtimes,
 					required_caps: up.settings.required_features,
 					preferred_caps: preferred_caps
 				});
 			}
 		}
 
 		blob = file.getSource();
 
 		// Start uploading chunks
 		if (up.settings.resize.enabled && runtimeCan(blob, 'send_binary_string') && !!~o.inArray(blob.type, ['image/jpeg', 'image/png'])) {
 			// Resize if required
 			resizeImage.call(this, blob, up.settings.resize, function(resizedBlob) {
 				blob = resizedBlob;
 				file.size = resizedBlob.size;
 				uploadNextChunk();
 			});
 		} else {
 			uploadNextChunk();
 		}
 	}
 
 
 	function onUploadProgress(up, file) {
 		calcFile(file);
 	}
 
 
 	function onStateChanged(up) {
 		if (up.state == plupload.STARTED) {
 			// Get start time to calculate bps
 			startTime = (+new Date());
 		} else if (up.state == plupload.STOPPED) {
 			// Reset currently uploading files
 			for (var i = up.files.length - 1; i >= 0; i--) {
 				if (up.files[i].status == plupload.UPLOADING) {
 					up.files[i].status = plupload.QUEUED;
 					calc();
 				}
 			}
 		}
 	}
 
 
 	function onCancelUpload() {
 		if (xhr) {
 			xhr.abort();
 		}
 	}
 
 
 	function onFileUploaded(up) {
 		calc();
 
 		// Upload next file but detach it from the error event
 		// since other custom listeners might want to stop the queue
 		delay(function() {
 			uploadNext.call(up);
 		}, 1);
 	}
 
 
 	function onError(up, err) {
 		if (err.code === plupload.INIT_ERROR) {
 			up.destroy();
 		}
 		// Set failed status if an error occured on a file
 		else if (err.code === plupload.HTTP_ERROR) {
 			err.file.status = plupload.FAILED;
 			calcFile(err.file);
 
 			// Upload next file but detach it from the error event
 			// since other custom listeners might want to stop the queue
 			if (up.state == plupload.STARTED) { // upload in progress
 				up.trigger('CancelUpload');
 				delay(function() {
 					uploadNext.call(up);
 				}, 1);
 			}
 		}
 	}
 
 
 	function onDestroy(up) {
 		up.stop();
 
 		// Purge the queue
 		plupload.each(files, function(file) {
 			file.destroy();
 		});
 		files = [];
 
 		if (fileInputs.length) {
 			plupload.each(fileInputs, function(fileInput) {
 				fileInput.destroy();
 			});
 			fileInputs = [];
 		}
 
 		if (fileDrops.length) {
 			plupload.each(fileDrops, function(fileDrop) {
 				fileDrop.destroy();
 			});
 			fileDrops = [];
 		}
 
 		preferred_caps = {};
 		disabled = false;
 		startTime = xhr = null;
 		total.reset();
 	}
 
 
 	// Default settings
 	settings = {
 		runtimes: o.Runtime.order,
 		max_retries: 0,
 		chunk_size: 0,
 		multipart: true,
 		multi_selection: true,
 		file_data_name: 'file',
 		filters: {
 			mime_types: [],
 			prevent_duplicates: false,
 			max_file_size: 0
 		},
 		resize: {
 			enabled: false,
 			preserve_headers: true,
 			crop: false
 		},
 		send_file_name: true,
 		send_chunk_number: true
 	};
 
 	
 	setOption.call(this, options, null, true);
 
 	// Inital total state
 	total = new plupload.QueueProgress(); 
 
 	// Add public methods
 	plupload.extend(this, {
 
 		/**
 		 * Unique id for the Uploader instance.
 		 *
 		 * @property id
 		 * @type String
 		 */
 		id : uid,
 		uid : uid, // mOxie uses this to differentiate between event targets
 
 		/**
 		 * Current state of the total uploading progress. This one can either be plupload.STARTED or plupload.STOPPED.
 		 * These states are controlled by the stop/start methods. The default value is STOPPED.
 		 *
 		 * @property state
 		 * @type Number
 		 */
 		state : plupload.STOPPED,
 
 		/**
 		 * Map of features that are available for the uploader runtime. Features will be filled
 		 * before the init event is called, these features can then be used to alter the UI for the end user.
 		 * Some of the current features that might be in this map is: dragdrop, chunks, jpgresize, pngresize.
 		 *
 		 * @property features
 		 * @type Object
 		 */
 		features : {},
 
 		/**
 		 * Current runtime name.
 		 *
 		 * @property runtime
 		 * @type String
 		 */
 		runtime : null,
 
 		/**
 		 * Current upload queue, an array of File instances.
 		 *
 		 * @property files
 		 * @type Array
 		 * @see plupload.File
 		 */
 		files : files,
 
 		/**
 		 * Object with name/value settings.
 		 *
 		 * @property settings
 		 * @type Object
 		 */
 		settings : settings,
 
 		/**
 		 * Total progess information. How many files has been uploaded, total percent etc.
 		 *
 		 * @property total
 		 * @type plupload.QueueProgress
 		 */
 		total : total,
 
 
 		/**
 		 * Initializes the Uploader instance and adds internal event listeners.
 		 *
 		 * @method init
 		 */
 		init : function() {
 			var self = this, opt, preinitOpt, err;
 			
 			preinitOpt = self.getOption('preinit');
 			if (typeof(preinitOpt) == "function") {
 				preinitOpt(self);
 			} else {
 				plupload.each(preinitOpt, function(func, name) {
 					self.bind(name, func);
 				});
 			}
 
 			bindEventListeners.call(self);
 
 			// Check for required options
 			plupload.each(['container', 'browse_button', 'drop_element'], function(el) {
 				if (self.getOption(el) === null) {
 					err = {
 						code : plupload.INIT_ERROR,
 						message : plupload.translate("'%' specified, but cannot be found.")
 					}
 					return false;
 				}
 			});
 
 			if (err) {
 				return self.trigger('Error', err);
 			}
 
 
 			if (!settings.browse_button && !settings.drop_element) {
 				return self.trigger('Error', {
 					code : plupload.INIT_ERROR,
 					message : plupload.translate("You must specify either 'browse_button' or 'drop_element'.")
 				});
 			}
 
 
 			initControls.call(self, settings, function(inited) {
 				var initOpt = self.getOption('init');
 				if (typeof(initOpt) == "function") {
 					initOpt(self);
 				} else {
 					plupload.each(initOpt, function(func, name) {
 						self.bind(name, func);
 					});
 				}
 
 				if (inited) {
 					self.runtime = o.Runtime.getInfo(getRUID()).type;
 					self.trigger('Init', { runtime: self.runtime });
 					self.trigger('PostInit');
 				} else {
 					self.trigger('Error', {
 						code : plupload.INIT_ERROR,
 						message : plupload.translate('Init error.')
 					});
 				}
 			});
 		},
 
 		/**
 		 * Set the value for the specified option(s).
 		 *
 		 * @method setOption
 		 * @since 2.1
 		 * @param {String|Object} option Name of the option to change or the set of key/value pairs
 		 * @param {Mixed} [value] Value for the option (is ignored, if first argument is object)
 		 */
 		setOption: function(option, value) {
 			setOption.call(this, option, value, !this.runtime); // until runtime not set we do not need to reinitialize
 		},
 
 		/**
 		 * Get the value for the specified option or the whole configuration, if not specified.
 		 * 
 		 * @method getOption
 		 * @since 2.1
 		 * @param {String} [option] Name of the option to get
 		 * @return {Mixed} Value for the option or the whole set
 		 */
 		getOption: function(option) {
 			if (!option) {
 				return settings;
 			}
 			return settings[option];
 		},
 
 		/**
 		 * Refreshes the upload instance by dispatching out a refresh event to all runtimes.
 		 * This would for example reposition flash/silverlight shims on the page.
 		 *
 		 * @method refresh
 		 */
 		refresh : function() {
 			if (fileInputs.length) {
 				plupload.each(fileInputs, function(fileInput) {
 					fileInput.trigger('Refresh');
 				});
 			}
 			this.trigger('Refresh');
 		},
 
 		/**
 		 * Starts uploading the queued files.
 		 *
 		 * @method start
 		 */
 		start : function() {
 			if (this.state != plupload.STARTED) {
 				this.state = plupload.STARTED;
 				this.trigger('StateChanged');
 
 				uploadNext.call(this);
 			}
 		},
 
 		/**
 		 * Stops the upload of the queued files.
 		 *
 		 * @method stop
 		 */
 		stop : function() {
 			if (this.state != plupload.STOPPED) {
 				this.state = plupload.STOPPED;
 				this.trigger('StateChanged');
 				this.trigger('CancelUpload');
 			}
 		},
 
 
 		/**
 		 * Disables/enables browse button on request.
 		 *
 		 * @method disableBrowse
 		 * @param {Boolean} disable Whether to disable or enable (default: true)
 		 */
 		disableBrowse : function() {
 			disabled = arguments[0] !== undef ? arguments[0] : true;
 
 			if (fileInputs.length) {
 				plupload.each(fileInputs, function(fileInput) {
 					fileInput.disable(disabled);
 				});
 			}
 
 			this.trigger('DisableBrowse', disabled);
 		},
 
 		/**
 		 * Returns the specified file object by id.
 		 *
 		 * @method getFile
 		 * @param {String} id File id to look for.
 		 * @return {plupload.File} File object or undefined if it wasn't found;
 		 */
 		getFile : function(id) {
 			var i;
 			for (i = files.length - 1; i >= 0; i--) {
 				if (files[i].id === id) {
 					return files[i];
 				}
 			}
 		},
 
 		/**
 		 * Adds file to the queue programmatically. Can be native file, instance of Plupload.File,
 		 * instance of mOxie.File, input[type="file"] element, or array of these. Fires FilesAdded, 
 		 * if any files were added to the queue. Otherwise nothing happens.
 		 *
 		 * @method addFile
 		 * @since 2.0
 		 * @param {plupload.File|mOxie.File|File|Node|Array} file File or files to add to the queue.
 		 * @param {String} [fileName] If specified, will be used as a name for the file
 		 */
 		addFile : function(file, fileName) {
 			var self = this
 			, queue = [] 
 			, filesAdded = []
 			, ruid
 			;
 
 			function filterFile(file, cb) {
 				var queue = [];
 				o.each(self.settings.filters, function(rule, name) {
 					if (fileFilters[name]) {
 						queue.push(function(cb) {
 							fileFilters[name].call(self, rule, file, function(res) {
 								cb(!res);
 							});
 						});
 					}
 				});
 				o.inSeries(queue, cb);
 			}
 
 			/**
 			 * @method resolveFile
 			 * @private
 			 * @param {o.File|o.Blob|plupload.File|File|Blob|input[type="file"]} file
 			 */
 			function resolveFile(file) {
 				var type = o.typeOf(file);
 
 				// o.File
 				if (file instanceof o.File) { 
 					if (!file.ruid && !file.isDetached()) {
 						if (!ruid) { // weird case
 							return false;
 						}
 						file.ruid = ruid;
 						file.connectRuntime(ruid);
 					}
 					resolveFile(new plupload.File(file));
 				}
 				// o.Blob 
 				else if (file instanceof o.Blob) {
 					resolveFile(file.getSource());
 					file.destroy();
 				} 
 				// plupload.File - final step for other branches
 				else if (file instanceof plupload.File) {
 					if (fileName) {
 						file.name = fileName;
 					}
 					
 					queue.push(function(cb) {
 						// run through the internal and user-defined filters, if any
 						filterFile(file, function(err) {
 							if (!err) {
 								// make files available for the filters by updating the main queue directly
 								files.push(file);
 								// collect the files that will be passed to FilesAdded event
 								filesAdded.push(file); 
 
 								self.trigger("FileFiltered", file);
 							}
 							delay(cb, 1); // do not build up recursions or eventually we might hit the limits
 						});
 					});
 				} 
 				// native File or blob
 				else if (o.inArray(type, ['file', 'blob']) !== -1) {
 					resolveFile(new o.File(null, file));
 				} 
 				// input[type="file"]
 				else if (type === 'node' && o.typeOf(file.files) === 'filelist') {
 					// if we are dealing with input[type="file"]
 					o.each(file.files, resolveFile);
 				} 
 				// mixed array of any supported types (see above)
 				else if (type === 'array') {
 					fileName = null; // should never happen, but unset anyway to avoid funny situations
 					o.each(file, resolveFile);
 				}
 			}
 
 			ruid = getRUID();
 			
 			resolveFile(file);
 
 			if (queue.length) {
 				o.inSeries(queue, function() {
 					// if any files left after filtration, trigger FilesAdded
 					if (filesAdded.length) {
 						self.trigger("FilesAdded", filesAdded);
 					}
 				});
 			}
 		},
 
 		/**
 		 * Removes a specific file.
 		 *
 		 * @method removeFile
 		 * @param {plupload.File|String} file File to remove from queue.
 		 */
 		removeFile : function(file) {
 			var id = typeof(file) === 'string' ? file : file.id;
 
 			for (var i = files.length - 1; i >= 0; i--) {
 				if (files[i].id === id) {
 					return this.splice(i, 1)[0];
 				}
 			}
 		},
 
 		/**
 		 * Removes part of the queue and returns the files removed. This will also trigger the FilesRemoved and QueueChanged events.
 		 *
 		 * @method splice
 		 * @param {Number} start (Optional) Start index to remove from.
 		 * @param {Number} length (Optional) Lengh of items to remove.
 		 * @return {Array} Array of files that was removed.
 		 */
 		splice : function(start, length) {
 			// Splice and trigger events
 			var removed = files.splice(start === undef ? 0 : start, length === undef ? files.length : length);
 
 			// if upload is in progress we need to stop it and restart after files are removed
 			var restartRequired = false;
 			if (this.state == plupload.STARTED) { // upload in progress
 				plupload.each(removed, function(file) {
 					if (file.status === plupload.UPLOADING) {
 						restartRequired = true; // do not restart, unless file that is being removed is uploading
 						return false;
 					}
 				});
 				
 				if (restartRequired) {
 					this.stop();
 				}
 			}
 
 			this.trigger("FilesRemoved", removed);
 
 			// Dispose any resources allocated by those files
 			plupload.each(removed, function(file) {
 				file.destroy();
 			});
 			
 			if (restartRequired) {
 				this.start();
 			}
 
 			return removed;
 		},
 
 		/**
 		Dispatches the specified event name and its arguments to all listeners.
 
 		@method trigger
 		@param {String} name Event name to fire.
 		@param {Object..} Multiple arguments to pass along to the listener functions.
 		*/
 
 		// override the parent method to match Plupload-like event logic
 		dispatchEvent: function(type) {
 			var list, args, result;
 						
 			type = type.toLowerCase();
 							
 			list = this.hasEventListener(type);
 
 			if (list) {
 				// sort event list by priority
 				list.sort(function(a, b) { return b.priority - a.priority; });
 				
 				// first argument should be current plupload.Uploader instance
 				args = [].slice.call(arguments);
 				args.shift();
 				args.unshift(this);
 
 				for (var i = 0; i < list.length; i++) {
 					// Fire event, break chain if false is returned
 					if (list[i].fn.apply(list[i].scope, args) === false) {
 						return false;
 					}
 				}
 			}
 			return true;
 		},
 
 		/**
 		Check whether uploader has any listeners to the specified event.
 
 		@method hasEventListener
 		@param {String} name Event name to check for.
 		*/
 
 
 		/**
 		Adds an event listener by name.
 
 		@method bind
 		@param {String} name Event name to listen for.
 		@param {function} fn Function to call ones the event gets fired.
 		@param {Object} [scope] Optional scope to execute the specified function in.
 		@param {Number} [priority=0] Priority of the event handler - handlers with higher priorities will be called first
 		*/
 		bind: function(name, fn, scope, priority) {
 			// adapt moxie EventTarget style to Plupload-like
 			plupload.Uploader.prototype.bind.call(this, name, fn, priority, scope);
 		},
 
 		/**
 		Removes the specified event listener.
 
 		@method unbind
 		@param {String} name Name of event to remove.
 		@param {function} fn Function to remove from listener.
 		*/
 
 		/**
 		Removes all event listeners.
 
 		@method unbindAll
 		*/
 
 
 		/**
 		 * Destroys Plupload instance and cleans after itself.
 		 *
 		 * @method destroy
 		 */
 		destroy : function() {
 			this.trigger('Destroy');
 			settings = total = null; // purge these exclusively
 			this.unbindAll();
 		}
 	});
 };
 
 plupload.Uploader.prototype = o.EventTarget.instance;
 
 /**
  * Constructs a new file instance.
  *
  * @class File
  * @constructor
  * 
  * @param {Object} file Object containing file properties
  * @param {String} file.name Name of the file.
  * @param {Number} file.size File size.
  */
 plupload.File = (function() {
 	var filepool = {};
 
 	function PluploadFile(file) {
 
 		plupload.extend(this, {
 
 			/**
 			 * File id this is a globally unique id for the specific file.
 			 *
 			 * @property id
 			 * @type String
 			 */
 			id: plupload.guid(),
 
 			/**
 			 * File name for example "myfile.gif".
 			 *
 			 * @property name
 			 * @type String
 			 */
 			name: file.name || file.fileName,
 
 			/**
 			 * File type, `e.g image/jpeg`
 			 *
 			 * @property type
 			 * @type String
 			 */
 			type: file.type || '',
 
 			/**
 			 * File size in bytes (may change after client-side manupilation).
 			 *
 			 * @property size
 			 * @type Number
 			 */
 			size: file.size || file.fileSize,
 
 			/**
 			 * Original file size in bytes.
 			 *
 			 * @property origSize
 			 * @type Number
 			 */
 			origSize: file.size || file.fileSize,
 
 			/**
 			 * Number of bytes uploaded of the files total size.
 			 *
 			 * @property loaded
 			 * @type Number
 			 */
 			loaded: 0,
 
 			/**
 			 * Number of percentage uploaded of the file.
 			 *
 			 * @property percent
 			 * @type Number
 			 */
 			percent: 0,
 
 			/**
 			 * Status constant matching the plupload states QUEUED, UPLOADING, FAILED, DONE.
 			 *
 			 * @property status
 			 * @type Number
 			 * @see plupload
 			 */
 			status: plupload.QUEUED,
 
 			/**
 			 * Date of last modification.
 			 *
 			 * @property lastModifiedDate
 			 * @type {String}
 			 */
 			lastModifiedDate: file.lastModifiedDate || (new Date()).toLocaleString(), // Thu Aug 23 2012 19:40:00 GMT+0400 (GET)
 
 			/**
 			 * Returns native window.File object, when it's available.
 			 *
 			 * @method getNative
 			 * @return {window.File} or null, if plupload.File is of different origin
 			 */
 			getNative: function() {
 				var file = this.getSource().getSource();
 				return o.inArray(o.typeOf(file), ['blob', 'file']) !== -1 ? file : null;
 			},
 
 			/**
 			 * Returns mOxie.File - unified wrapper object that can be used across runtimes.
 			 *
 			 * @method getSource
 			 * @return {mOxie.File} or null
 			 */
 			getSource: function() {
 				if (!filepool[this.id]) {
 					return null;
 				}
 				return filepool[this.id];
 			},
 
 			/**
 			 * Destroys plupload.File object.
 			 *
 			 * @method destroy
 			 */
 			destroy: function() {
 				var src = this.getSource();
 				if (src) {
 					src.destroy();
 					delete filepool[this.id];
 				}
 			}
 		});
 
 		filepool[this.id] = file;
 	}
 
 	return PluploadFile;
 }());
 
 
 /**
  * Constructs a queue progress.
  *
  * @class QueueProgress
  * @constructor
  */
  plupload.QueueProgress = function() {
 	var self = this; // Setup alias for self to reduce code size when it's compressed
 
 	/**
 	 * Total queue file size.
 	 *
 	 * @property size
 	 * @type Number
 	 */
 	self.size = 0;
 
 	/**
 	 * Total bytes uploaded.
 	 *
 	 * @property loaded
 	 * @type Number
 	 */
 	self.loaded = 0;
 
 	/**
 	 * Number of files uploaded.
 	 *
 	 * @property uploaded
 	 * @type Number
 	 */
 	self.uploaded = 0;
 
 	/**
 	 * Number of files failed to upload.
 	 *
 	 * @property failed
 	 * @type Number
 	 */
 	self.failed = 0;
 
 	/**
 	 * Number of files yet to be uploaded.
 	 *
 	 * @property queued
 	 * @type Number
 	 */
 	self.queued = 0;
 
 	/**
 	 * Total percent of the uploaded bytes.
 	 *
 	 * @property percent
 	 * @type Number
 	 */
 	self.percent = 0;
 
 	/**
 	 * Bytes uploaded per second.
 	 *
 	 * @property bytesPerSec
 	 * @type Number
 	 */
 	self.bytesPerSec = 0;
 
 	/**
 	 * Resets the progress to its initial values.
 	 *
 	 * @method reset
 	 */
 	self.reset = function() {
 		self.size = self.loaded = self.uploaded = self.failed = self.queued = self.percent = self.bytesPerSec = 0;
 	};
 };
 
 window.plupload = plupload;
 
 }(window, mOxie));