/**
 * Plupload - multi-runtime File Uploader
 * v2.3.1
 *
 * Copyright 2013, Moxiecode Systems AB
 * Released under GPL License.
 *
 * License: http://www.plupload.com/license
 * Contributing: http://www.plupload.com/contributing
 *
 * Date: 2017-02-06
 */
(function (global, factory) {
    var extract = function () {
        var ctx = {};
        factory.apply(ctx, arguments);
        return ctx.plupload;
    };

    if (typeof define === "function" && define.amd) {
        define("plupload", ["./moxie"], extract);
    } else if (typeof module === "object" && module.exports) {
        module.exports = extract(require("../../../js-sdk-master 2/src/moxie"));
    } else {
        global.plupload = extract(global.moxie);
    }
})(this || window, function (moxie) {
    /**
     * Plupload.js
     *
     * Copyright 2013, Moxiecode Systems AB
     * Released under GPL License.
     *
     * License: http://www.plupload.com/license
     * Contributing: http://www.plupload.com/contributing
     */

    (function (exports, o, undef) {
        var delay = window.setTimeout;
        var fileFilters = {};
        var u = o.core.utils;
        var Runtime = o.runtime.Runtime;

        // 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 && settings.chunk_size > 0) {
                    caps.slice_blob = true;
                }

                if (
                    !plupload.isEmptyObj(settings.resize) ||
                    settings.multipart === false
                ) {
                    caps.send_binary_string = true;
                }

                if (settings.http_method) {
                    caps.use_http_method = settings.http_method;
                }

                plupload.each(settings, function (value, feature) {
                    resolve(feature, !!value, true); // strict check
                });
            }

            return caps;
        }

        /**
         * @module plupload
         * @static
         */
        var plupload = {
            /**
             * Plupload version will be replaced on build.
             *
             * @property VERSION
             * @for Plupload
             * @static
             * @final
             */
            VERSION: "2.3.1",

            /**
             * 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: u.Mime.mimes,

            /**
             * In some cases sniffing is the only way around :(
             */
            ua: u.Env,

            /**
             * 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: u.Basic.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: u.Basic.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: u.Basic.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: u.Dom.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: u.Basic.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: u.Dom.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: u.Dom.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: u.Basic.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: u.Basic.inArray,

            /**
	Recieve an array of functions (usually async) to call in sequence, each  function
	receives a callback as first argument that it should call, when it completes. Finally,
	after everything is complete, main callback is called. Passing truthy value to the
	callback as a first argument will interrupt the sequence and invoke main callback
	immediately.

	@method inSeries
	@static
	@param {Array} queue Array of functions to call in sequence
	@param {Function} cb Main callback that is called in the end, or in case of error
	*/
            inSeries: u.Basic.inSeries,

            /**
             * 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.core.I18n.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.core.I18n.translate,

            /**
             * Pseudo sprintf implementation - simple way to replace tokens with specified values.
             *
             * @param {String} str String with tokens
             * @return {String} String with replaced tokens
             */
            sprintf: u.Basic.sprintf,

            /**
             * Checks if object is empty.
             *
             * @method isEmptyObj
             * @static
             * @param {Object} obj Object to check.
             * @return {Boolean}
             */
            isEmptyObj: u.Basic.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: u.Dom.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: u.Dom.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: u.Dom.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: u.Dom.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: u.Events.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: u.Events.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: u.Events.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: u.Basic.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 = 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 {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 {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 {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 {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 {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.
	@param {Object} [settings.headers] Custom headers to send with the upload. Hash of name/value pairs.
	@param {String} [settings.http_method="POST"] HTTP method to use during upload (only PUT or POST allowed).
	@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,flash,silverlight,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.
	@param {Boolean} [settings.send_chunk_number=true] Whether to send chunks and chunk numbers, or total and offset bytes.
	@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).
	@param {String} settings.url URL of the server-side upload handler.
	@param {Boolean} [settings.unique_names=false] If true will generate unique filenames for uploaded files.

*/
        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 just before a chunk is uploaded. This event enables you to override settings
             * on the uploader instance before the chunk is uploaded.
             *
             * @event BeforeChunkUpload
             * @param {plupload.Uploader} uploader Uploader instance sending the event.
             * @param {plupload.File} file File to be uploaded.
             * @param {Object} args POST params to be sent.
             * @param {Blob} chunkBlob Current blob.
             * @param {offset} offset Current offset.
             */

            /**
	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;
                var loaded;
                var loadedDuringCurrentSession = 0;

                // 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
                        loaded = (file.loaded * file.origSize) / file.size;

                        if (
                            !file.completeTimestamp ||
                            file.completeTimestamp > startTime
                        ) {
                            loadedDuringCurrentSession += loaded;
                        }

                        total.loaded += loaded;
                    } 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(
                        loadedDuringCurrentSession /
                            ((+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 = 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,
                    swf_url: settings.flash_swf_url,
                    xap_url: settings.silverlight_xap_url,
                };

                // add runtime specific options if any
                plupload.each(
                    settings.runtimes.split(/\s*,\s*/),
                    function (runtime) {
                        if (settings[runtime]) {
                            options[runtime] = settings[runtime];
                        }
                    }
                );

                let buttonIndex = 0;
                // initialize file pickers - there can be many
                if (settings.browse_button) {
                    plupload.each(settings.browse_button, function (el) {
                        queue.push(function (cb) {
                            buttonIndex++;
                            if (buttonIndex === 1) {
                                var fileInput = new o.file.FileInput(
                                    plupload.extend({}, options, {
                                        accept: settings.filters.mime_types,
                                        name: settings.file_data_name,
                                        multiple: false,
                                        directory: true,
                                        container: settings.container,
                                        browse_button: el,
                                    })
                                );
                            } else {
                                var fileInput = new o.file.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 = Runtime.getInfo(this.ruid);

                                // for backward compatibility
                                plupload.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) {
                                                plupload.addClass(
                                                    el,
                                                    settings.browse_button_hover
                                                );
                                            } else if (
                                                "mouseleave" === e.type
                                            ) {
                                                plupload.removeClass(
                                                    el,
                                                    settings.browse_button_hover
                                                );
                                            }
                                        }

                                        if (settings.browse_button_active) {
                                            if ("mousedown" === e.type) {
                                                plupload.addClass(
                                                    el,
                                                    settings.browse_button_active
                                                );
                                            } else if ("mouseup" === e.type) {
                                                plupload.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.file.FileDrop(
                                plupload.extend({}, options, {
                                    drop_zone: el,
                                })
                            );

                            fileDrop.onready = function () {
                                var info = Runtime.getInfo(this.ruid);

                                // for backward compatibility
                                plupload.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();
                        });
                    });
                }

                plupload.inSeries(queue, function () {
                    if (typeof cb === "function") {
                        cb(inited);
                    }
                });
            }

            function resizeImage(blob, params, cb) {
                var img = new o.image.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 "http_method":
                            settings[option] =
                                value.toUpperCase() === "PUT" ? "PUT" : "POST";
                            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) {
                                if (
                                    plupload.typeOf(value.mime_types) ===
                                    "string"
                                ) {
                                    value.mime_types = o.core.utils.Mime.mimes2extList(
                                        value.mime_types
                                    );
                                }

                                value.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"
                                    );
                                })(value.mime_types);

                                settings.filters.mime_types = value.mime_types;
                            }
                            break;

                        case "resize":
                            if (value) {
                                settings.resize = plupload.extend(
                                    {
                                        preserve_headers: true,
                                        crop: false,
                                    },
                                    value
                                );
                            } else {
                                settings.resize = false;
                            }
                            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":
                        case "flash_swf_url":
                        case "silverlight_xap_url":
                            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 = 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(err = null) {
                    if (retries-- > 0) {
                        delay(uploadNextChunk, 1000);
                    } else {
                        file.loaded = offset; // reset all progress

                        up.trigger("Error", {
                            code: plupload.HTTP_ERROR,
                            message:
                                err == null
                                    ? plupload.translate("HTTP Error.")
                                    : err,
                            file: file,
                            response: xhr.responseText,
                            status: xhr.status,
                            responseHeaders: xhr.getAllResponseHeaders(),
                        });
                    }
                }

                function uploadNextChunk() {
                    var chunkBlob,
                        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;
                        }
                    }

                    if (
                        up.trigger(
                            "BeforeChunkUpload",
                            file,
                            args,
                            chunkBlob,
                            offset
                        )
                    ) {
                        uploadChunk(args, chunkBlob, curChunkSize);
                    }
                }

                function uploadChunk(args, chunkBlob, curChunkSize) {
                    var formData;

                    xhr = new o.xhr.XMLHttpRequest();

                    // todo 自动变换此项设置
                    //xhr.withCredentials = true;

                    // 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;
                        }
                        if (xhr.status == 203) {
                            handleError();
                            return;
                        }

                        // 本地策略/远程/OSS需要读取错误代码以出发错误
                        if (
                            uploadConfig.saveType === "local" ||
                            uploadConfig.saveType === "remote" ||
                            uploadConfig.saveType === "oss" ||
                            (uploadConfig.saveType === "onedrive" &&
                                file.size <= 4 * 1024 * 1024)
                        ) {
                            var res = JSON.parse(xhr.responseText);
                            if (res.code !== 0) {
                                handleError(res.msg);
                                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 (plupload.ua.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;
                            file.completeTimestamp = +new Date();

                            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(up.settings.http_method, url, true);

                        // Set custom headers
                        plupload.each(
                            up.settings.headers,
                            function (value, name) {
                                xhr.setRequestHeader(name, value);
                            }
                        );

                        formData = new o.xhr.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,
                            swf_url: up.settings.flash_swf_url,
                            xap_url: up.settings.silverlight_xap_url,
                        });
                    } else {
                        // if no multipart, send as binary stream
                        url = plupload.buildUrl(
                            up.settings.url,
                            plupload.extend(args, up.settings.multipart_params)
                        );

                        xhr.open(up.settings.http_method, url, true);

                        // Set custom headers
                        plupload.each(
                            up.settings.headers,
                            function (value, name) {
                                xhr.setRequestHeader(name, value);
                            }
                        );

                        // do not set Content-Type, if it was defined previously (see #1203)
                        if (!xhr.hasRequestHeader("Content-Type")) {
                            xhr.setRequestHeader(
                                "Content-Type",
                                "application/octet-stream"
                            ); // Binary stream header
                        }

                        xhr.send(chunkBlob, {
                            runtime_order: up.settings.runtimes,
                            required_caps: up.settings.required_features,
                            preferred_caps: preferred_caps,
                            swf_url: up.settings.flash_swf_url,
                            xap_url: up.settings.silverlight_xap_url,
                        });
                    }
                }

                blob = file.getSource();

                // Start uploading chunks
                if (
                    !plupload.isEmptyObj(up.settings.resize) &&
                    runtimeCan(blob, "send_binary_string") &&
                    plupload.inArray(blob.type, ["image/jpeg", "image/png"]) !==
                        -1
                ) {
                    // 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;
                    err.file.completeTimestamp = +new Date();
                    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 = {
                chunk_size: 0,
                file_data_name: "file",
                filters: {
                    mime_types: [],
                    prevent_duplicates: false,
                    max_file_size: 0,
                },
                flash_swf_url: "js/Moxie.swf",
                http_method: "POST",
                max_retries: 0,
                multipart: true,
                multi_selection: true,
                resize: false,
                runtimes: Runtime.order,
                send_file_name: true,
                send_chunk_number: true,
                silverlight_xap_url: "js/Moxie.xap",
            };

            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.sprintf(
                                        plupload.translate(
                                            "%s specified, but cannot be found."
                                        ),
                                        el
                                    ),
                                };
                                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 = 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 = [];
                        plupload.each(
                            self.settings.filters,
                            function (rule, name) {
                                if (fileFilters[name]) {
                                    queue.push(function (cb) {
                                        fileFilters[name].call(
                                            self,
                                            rule,
                                            file,
                                            function (res) {
                                                cb(!res);
                                            }
                                        );
                                    });
                                }
                            }
                        );
                        plupload.inSeries(queue, cb);
                    }

                    /**
                     * @method resolveFile
                     * @private
                     * @param {moxie.file.File|moxie.file.Blob|plupload.File|File|Blob|input[type="file"]} file
                     */
                    function resolveFile(file) {
                        var type = plupload.typeOf(file);

                        // moxie.file.File
                        if (file instanceof o.file.File) {
                            if (!file.ruid && !file.isDetached()) {
                                if (!ruid) {
                                    // weird case
                                    return false;
                                }
                                file.ruid = ruid;
                                file.connectRuntime(ruid);
                            }
                            resolveFile(new plupload.File(file));
                        }
                        // moxie.file.Blob
                        else if (file instanceof o.file.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 (
                            plupload.inArray(type, ["file", "blob"]) !== -1
                        ) {
                            resolveFile(new o.file.File(null, file));
                        }
                        // input[type="file"]
                        else if (
                            type === "node" &&
                            plupload.typeOf(file.files) === "filelist"
                        ) {
                            // if we are dealing with input[type="file"]
                            plupload.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
                            plupload.each(file, resolveFile);
                        }
                    }

                    ruid = getRUID();

                    resolveFile(file);

                    if (queue.length) {
                        plupload.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.core.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)

                    /**
                     * Set when file becomes plupload.DONE or plupload.FAILED. Is used to calculate proper plupload.QueueProgress.bytesPerSec.
                     * @private
                     * @property completeTimestamp
                     * @type {Number}
                     */
                    completeTimestamp: 0,

                    /**
                     * 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 plupload.inArray(plupload.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;
            };
        };

        exports.plupload = plupload;
    })(this, moxie);
});
