/js/lib/Socket.IO-node/support/socket.io-client/lib/transports/xhr-multipart.js

 1/**
 2 * Socket.IO client
 3 * 
 4 * @author Guillermo Rauch <guillermo@learnboost.com>
 5 * @license The MIT license.
 6 * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
 7 */
 8
 9(function(){
10	var io = this.io;
11	
12	var XHRMultipart = io.Transport['xhr-multipart'] = function(){
13		io.Transport.XHR.apply(this, arguments);
14	};
15	
16	io.util.inherit(XHRMultipart, io.Transport.XHR);
17	
18	XHRMultipart.prototype.type = 'xhr-multipart';
19	
20	XHRMultipart.prototype._get = function(){
21		var self = this;
22		this._xhr = this._request('', 'GET', true);
23		this._xhr.onreadystatechange = function(){
24			if (self._xhr.readyState == 4) self._onData(self._xhr.responseText);
25		};
26		this._xhr.send(null);
27	};
28	
29	XHRMultipart.check = function(){
30		return 'XMLHttpRequest' in window && 'prototype' in XMLHttpRequest && 'multipart' in XMLHttpRequest.prototype;
31	};
32
33	XHRMultipart.xdomainCheck = function(){
34		return true;
35	};
36	
37})();