File:BinaryLoader.js
/*
* BinaryLoader
* Visit http://createjs.com/ for documentation, updates and examples.
*
*
* Copyright (c) 2012 gskinner.com, inc.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* @module PreloadJS
*/
// namespace:
this.createjs = this.createjs || {};
(function () {
"use strict";
// constructor
/**
* A loader for binary files. This is useful for loading web audio, or content that requires an ArrayBuffer.
* @class BinaryLoader
* @param {LoadItem|Object} loadItem
* @extends AbstractLoader
* @constructor
*/
function BinaryLoader(loadItem) {
this.AbstractLoader_constructor(loadItem, true, createjs.Types.BINARY);
this.on("initialize", this._updateXHR, this);
};
var p = createjs.extend(BinaryLoader, createjs.AbstractLoader);
var s = BinaryLoader;
// static methods
/**
* Determines if the loader can load a specific item. This loader can only load items that are of type
* {{#crossLink "Types/BINARY:property"}}{{/crossLink}}
* @method canLoadItem
* @param {LoadItem|Object} item The LoadItem that a LoadQueue is trying to load.
* @returns {Boolean} Whether the loader can load the item.
* @static
*/
s.canLoadItem = function (item) {
return item.type == createjs.Types.BINARY;
};
// private methods
/**
* Before the item loads, set the response type to "arraybuffer"
* @property _updateXHR
* @param {Event} event
* @private
*/
p._updateXHR = function (event) {
event.loader.setResponseType("arraybuffer");
};
createjs.BinaryLoader = createjs.promote(BinaryLoader, "AbstractLoader");
}());