/public/socket.io.js
JavaScript | 2155 lines | 1558 code | 279 blank | 318 comment | 350 complexity | caec90fef733b5eff9d90f211117da4b MD5 | raw file
- /** Socket.IO 0.7pre - Built with build.js */
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- this.io = {
- version: '0.7pre',
-
- setPath: function(path){
- if (window.console && console.error) console.error('io.setPath will be removed. Please set the variable WEB_SOCKET_SWF_LOCATION pointing to WebSocketMain.swf');
- this.path = /\/$/.test(path) ? path : path + '/';
- WEB_SOCKET_SWF_LOCATION = path + 'lib/vendor/web-socket-js/WebSocketMain.swf';
- }
- };
- if ('jQuery' in this) jQuery.io = this.io;
- if (typeof window != 'undefined'){
- // WEB_SOCKET_SWF_LOCATION = (document.location.protocol == 'https:' ? 'https:' : 'http:') + '//cdn.socket.io/' + this.io.version + '/WebSocketMain.swf';
- WEB_SOCKET_SWF_LOCATION = '/Socket.IO/lib/vendor/web-socket-js/WebSocketMain.swf';
- }
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- (function(){
- var _pageLoaded = false;
- io.util = {
- ios: false,
- load: function(fn){
- if (document.readyState == 'complete' || _pageLoaded) return fn();
- if ('attachEvent' in window){
- window.attachEvent('onload', fn);
- } else {
- window.addEventListener('load', fn, false);
- }
- },
- inherit: function(ctor, superCtor){
- // no support for `instanceof` for now
- for (var i in superCtor.prototype){
- ctor.prototype[i] = superCtor.prototype[i];
- }
- },
- indexOf: function(arr, item, from){
- for (var l = arr.length, i = (from < 0) ? Math.max(0, l + from) : from || 0; i < l; i++){
- if (arr[i] === item) return i;
- }
- return -1;
- },
- isArray: function(obj){
- return Object.prototype.toString.call(obj) === '[object Array]';
- },
-
- merge: function(target, additional){
- for (var i in additional)
- if (additional.hasOwnProperty(i))
- target[i] = additional[i];
- }
- };
- io.util.ios = /iphone|ipad/i.test(navigator.userAgent);
- io.util.android = /android/i.test(navigator.userAgent);
- io.util.opera = /opera/i.test(navigator.userAgent);
- io.util.load(function(){
- _pageLoaded = true;
- });
- })();
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- io.data = {};
- /**
- * Data decoder class
- *
- * @api public
- */
- io.data.Decoder = function(){
- this.reset();
- this.buffer = '';
- this.events = {};
- };
- io.data.Decoder.prototype = {
- /**
- * Add data to the buffer for parsing
- *
- * @param {String} data
- * @api public
- */
- add: function(data){
- this.buffer += data;
- this.parse();
- },
- /**
- * Parse the current buffer
- *
- * @api private
- */
- parse: function(){
- for (var l = this.buffer.length; this.i < l; this.i++){
- var chr = this.buffer[this.i];
- if (this.type === undefined){
- if (chr == ':') return this.error('Data type not specified');
- this.type = '' + chr;
- continue;
- }
- if (this.length === undefined && chr == ':'){
- this.length = '';
- continue;
- }
- if (this.data === undefined){
- if (chr != ':'){
- this.length += chr;
- } else {
- if (this.length.length === 0)
- return this.error('Data length not specified');
- this.length = Number(this.length);
- this.data = '';
- }
- continue;
- }
- if (this.data.length === this.length){
- if (chr == ','){
- this.emit('data', this.type, this.data);
- this.buffer = this.buffer.substr(this.i + 1);
- this.reset();
- return this.parse();
- } else {
- return this.error('Termination character "," expected');
- }
- } else {
- this.data += chr;
- }
- }
- },
- /**
- * Reset the parser state
- *
- * @api private
- */
- reset: function(){
- this.i = 0;
- this.type = this.data = this.length = undefined;
- },
- /**
- * Error handling functions
- *
- * @param {String} reason to report
- * @api private
- */
- error: function(reason){
- this.reset();
- this.emit('error', reason);
- },
- /**
- * Emits an event
- *
- * @param {String} ev name
- * @api public
- */
- emit: function(ev){
- if (!(ev in this.events))
- return this;
- for (var i = 0, l = this.events[ev].length; i < l; i++)
- if (this.events[ev][i])
- this.events[ev][i].apply(this, Array.prototype.slice.call(arguments).slice(1));
- return this;
- },
- /**
- * Adds an event listener
- *
- * @param {String} ev name
- * @param {Function} callback
- * @api public
- */
- on: function(ev, fn){
- if (!(ev in this.events))
- this.events[ev] = [];
- this.events[ev].push(fn);
- return this;
- },
- /**
- * Removes an event listener
- *
- * @param {String} ev name
- * @param {Function} callback
- * @api public
- */
- removeListener: function(ev, fn){
- if (!(ev in this.events))
- return this;
- for (var i = 0, l = this.events[ev].length; i < l; i++)
- if (this.events[ev][i] == fn)
- this.events[ev].splice(i, 1);
- return this;
- }
- };
- /**
- * Encode function
- *
- * Examples:
- * encode([3, 'Message of type 3']);
- * encode([[1, 'Message of type 1], [2, 'Message of type 2]]);
- *
- * @param {Array} list of messages
- * @api public
- */
- io.data.encode = function(messages){
- messages = io.util.isArray(messages[0]) ? messages : [messages];
- var ret = '';
- for (var i = 0, str; i < messages.length; i++){
- str = String(messages[i][1]);
- if (str === undefined || str === null) str = '';
- ret += messages[i][0] + ':' + str.length + ':' + str + ',';
- }
- return ret;
- };
- /**
- * Encode message function
- *
- * @param {String} message
- * @param {Object} annotations
- * @api public
- */
- io.data.encodeMessage = function(msg, annotations){
- var data = ''
- , anns = annotations || {};
- for (var k in anns){
- v = anns[k];
- data += k + (v !== null && v !== undefined ? ':' + v : '') + "\n";
- }
- data += ':' + (msg === undefined || msg === null ? '' : msg);
- return data;
- };
- /**
- * Decode message function
- *
- * @param {String} message
- * @api public
- */
- io.data.decodeMessage = function(msg){
- var anns = {}
- , data;
- for (var i = 0, chr, key, value, l = msg.length; i < l; i++){
- chr = msg[i];
- if (i === 0 && chr === ':'){
- data = msg.substr(1);
- break;
- }
- if (key == null && value == null && chr == ':'){
- data = msg.substr(i + 1);
- break;
- }
- if (chr === "\n"){
- anns[key] = value;
- key = value = undefined;
- continue;
- }
- if (key === undefined){
- key = chr;
- continue;
- }
- if (value === undefined && chr == ':'){
- value = '';
- continue;
- }
- if (value !== undefined)
- value += chr;
- else
- key += chr;
- }
- return [data, anns];
- };
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- // abstract
- (function(){
-
- Transport = io.Transport = function(base, options){
- var self = this;
- this.base = base;
- this.options = {
- timeout: 15000 // based on heartbeat interval default
- };
- io.util.merge(this.options, options);
- this._decoder = new io.data.Decoder();
- this._decoder.on('data', function(type, message){
- self._onMessage(type, message);
- });
- };
- Transport.prototype.write = function(){
- throw new Error('Missing write() implementation');
- };
- Transport.prototype.connect = function(){
- throw new Error('Missing connect() implementation');
- };
- Transport.prototype.disconnect = function(){
- throw new Error('Missing disconnect() implementation');
- };
-
- Transport.prototype._onData = function(data){
- this._setTimeout();
- this._decoder.add(data);
- };
-
- Transport.prototype._setTimeout = function(){
- var self = this;
- if (this._timeout) clearTimeout(this._timeout);
- this._timeout = setTimeout(function(){
- self._onTimeout();
- }, this.options.timeout);
- };
-
- Transport.prototype._onTimeout = function(){
- this._onDisconnect();
- };
-
- Transport.prototype._onMessage = function(type, message){
- switch (type){
- case '0':
- this.disconnect();
- break;
- case '1':
- var msg = io.data.decodeMessage(message);
- // handle json decoding
- if ('j' in msg[1]){
- if (!window.JSON || !JSON.parse)
- alert('`JSON.parse` is not available, but Socket.IO is trying to parse'
- + 'JSON. Please include json2.js in your <head>');
- msg[0] = JSON.parse(msg[0]);
- }
- this.base._onMessage(msg[0], msg[1]);
- break;
- case '2':
- this._onHeartbeat(message);
- break;
- case '3':
- this.sessionid = message;
- this._onConnect();
- break;
- }
- },
-
- Transport.prototype._onHeartbeat = function(heartbeat){
- this.write('2', heartbeat); // echo
- };
-
- Transport.prototype._onConnect = function(){
- this.connected = true;
- this.connecting = false;
- this.base._onConnect();
- this._setTimeout();
- };
- Transport.prototype._onDisconnect = function(){
- this.connecting = false;
- this.connected = false;
- this.sessionid = null;
- this.base._onDisconnect();
- };
- Transport.prototype._prepareUrl = function(){
- return (this.base.options.secure ? 'https' : 'http')
- + '://' + this.base.host
- + ':' + this.base.options.port
- + '/' + this.base.options.resource
- + '/' + this.type
- + (this.sessionid ? ('/' + this.sessionid) : '/');
- };
- })();
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- (function(){
-
- var empty = new Function,
-
- XMLHttpRequestCORS = (function(){
- if (!('XMLHttpRequest' in window)) return false;
- // CORS feature detection
- var a = new XMLHttpRequest();
- return a.withCredentials != undefined;
- })(),
-
- request = function(xdomain){
- if ('XDomainRequest' in window && xdomain) return new XDomainRequest();
- if ('XMLHttpRequest' in window && (!xdomain || XMLHttpRequestCORS)) return new XMLHttpRequest();
- if (!xdomain){
- try {
- var a = new ActiveXObject('MSXML2.XMLHTTP');
- return a;
- } catch(e){}
-
- try {
- var b = new ActiveXObject('Microsoft.XMLHTTP');
- return b;
- } catch(e){}
- }
- return false;
- },
-
- XHR = io.Transport.XHR = function(){
- io.Transport.apply(this, arguments);
- this._sendBuffer = [];
- };
-
- io.util.inherit(XHR, io.Transport);
-
- XHR.prototype.connect = function(){
- this._get();
- return this;
- };
-
- XHR.prototype._checkSend = function(){
- if (!this._posting && this._sendBuffer.length){
- var encoded = io.data.encode(this._sendBuffer);
- this._sendBuffer = [];
- this._send(encoded);
- }
- };
-
- XHR.prototype.write = function(type, data){
- if (io.util.isArray(type))
- this._sendBuffer.push.apply(this._sendBuffer, type);
- else
- this._sendBuffer.push([type, data]);
- this._checkSend();
- return this;
- };
-
- XHR.prototype._send = function(data){
- var self = this;
- this._posting = true;
- this._sendXhr = this._request('send', 'POST');
- this._sendXhr.onreadystatechange = function(){
- var status;
- if (self._sendXhr.readyState == 4){
- self._sendXhr.onreadystatechange = empty;
- try { status = self._sendXhr.status; } catch(e){}
- self._posting = false;
- if (status == 200){
- self._checkSend();
- } else {
- self._onDisconnect();
- }
- }
- };
- this._sendXhr.send('data=' + encodeURIComponent(data));
- };
-
- XHR.prototype.disconnect = function(){
- // send disconnection signal
- this._onDisconnect();
- return this;
- };
-
- XHR.prototype._onDisconnect = function(){
- if (this._xhr){
- this._xhr.onreadystatechange = this._xhr.onload = empty;
- this._xhr.abort();
- this._xhr = null;
- }
- if (this._sendXhr){
- this._sendXhr.onreadystatechange = this._sendXhr.onload = empty;
- this._sendXhr.abort();
- this._sendXhr = null;
- }
- this._sendBuffer = [];
- io.Transport.prototype._onDisconnect.call(this);
- };
-
- XHR.prototype._request = function(url, method, multipart){
- var req = request(this.base._isXDomain());
- if (multipart) req.multipart = true;
- req.open(method || 'GET', this._prepareUrl() + (url ? '/' + url : ''));
- if (method == 'POST' && 'setRequestHeader' in req){
- req.setRequestHeader('Content-type', 'application/x-www-form-urlencoded; charset=utf-8');
- }
- return req;
- };
-
- XHR.check = function(xdomain){
- try {
- if (request(xdomain)) return true;
- } catch(e){}
- return false;
- };
-
- XHR.xdomainCheck = function(){
- return XHR.check(true);
- };
-
- XHR.request = request;
-
- })();
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- (function(){
-
- var WS = io.Transport.websocket = function(){
- io.Transport.apply(this, arguments);
- };
-
- io.util.inherit(WS, io.Transport);
-
- WS.prototype.type = 'websocket';
-
- WS.prototype.connect = function(){
- var self = this;
- this.socket = new WebSocket(this._prepareUrl());
- this.socket.onmessage = function(ev){ self._onData(ev.data); };
- this.socket.onclose = function(ev){ self._onClose(); };
- return this;
- };
-
- WS.prototype.write = function(type, data){
- if (this.socket)
- this.socket.send(io.data.encode(io.util.isArray(type) ? type : [type, data]));
- return this;
- };
-
- WS.prototype.disconnect = function(){
- if (this.socket) this.socket.close();
- this._onDisconnect();
- return this;
- };
-
- WS.prototype._onClose = function(){
- this._onDisconnect();
- return this;
- };
-
- WS.prototype._prepareUrl = function(){
- return (this.base.options.secure ? 'wss' : 'ws')
- + '://' + this.base.host
- + ':' + this.base.options.port
- + '/' + this.base.options.resource
- + '/' + this.type
- + (this.sessionid ? ('/' + this.sessionid) : '');
- };
-
- WS.check = function(){
- // we make sure WebSocket is not confounded with a previously loaded flash WebSocket
- return 'WebSocket' in window && WebSocket.prototype && ( WebSocket.prototype.send && !!WebSocket.prototype.send.toString().match(/native/i)) && typeof WebSocket !== "undefined";
- };
- WS.xdomainCheck = function(){
- return true;
- };
-
- })();
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- (function(){
-
- var Flashsocket = io.Transport.flashsocket = function(){
- io.Transport.websocket.apply(this, arguments);
- };
-
- io.util.inherit(Flashsocket, io.Transport.websocket);
-
- Flashsocket.prototype.type = 'flashsocket';
-
- Flashsocket.prototype.connect = function(){
- var self = this, args = arguments;
- WebSocket.__addTask(function(){
- io.Transport.websocket.prototype.connect.apply(self, args);
- });
- return this;
- };
-
- Flashsocket.prototype.send = function(){
- var self = this, args = arguments;
- WebSocket.__addTask(function(){
- io.Transport.websocket.prototype.send.apply(self, args);
- });
- return this;
- };
-
- Flashsocket.check = function(){
- if (typeof WebSocket == 'undefined' || !('__addTask' in WebSocket)) return false;
- if (io.util.opera) return false; // opera is buggy with this transport
- if ('navigator' in window && 'plugins' in navigator && navigator.plugins['Shockwave Flash']){
- return !!navigator.plugins['Shockwave Flash'].description;
- }
- if ('ActiveXObject' in window) {
- try {
- return !!new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
- } catch (e) {}
- }
- return false;
- };
-
- Flashsocket.xdomainCheck = function(){
- return true;
- };
-
- })();
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- (function(){
-
- var HTMLFile = io.Transport.htmlfile = function(){
- io.Transport.XHR.apply(this, arguments);
- };
-
- io.util.inherit(HTMLFile, io.Transport.XHR);
-
- HTMLFile.prototype.type = 'htmlfile';
-
- HTMLFile.prototype._get = function(){
- var self = this;
- this._open();
- window.attachEvent('onunload', function(){ self._destroy(); });
- };
-
- HTMLFile.prototype._open = function(){
- this._doc = new ActiveXObject('htmlfile');
- this._doc.open();
- this._doc.write('<html></html>');
- this._doc.parentWindow.s = this;
- this._doc.close();
- var _iframeC = this._doc.createElement('div');
- this._doc.body.appendChild(_iframeC);
- this._iframe = this._doc.createElement('iframe');
- _iframeC.appendChild(this._iframe);
- this._iframe.src = this._prepareUrl() + '/' + (+ new Date);
- };
-
- HTMLFile.prototype._ = function(data, doc){
- this._onData(data);
- var script = doc.getElementsByTagName('script')[0];
- script.parentNode.removeChild(script);
- };
- HTMLFile.prototype._destroy = function(){
- if (this._iframe){
- this._iframe.src = 'about:blank';
- this._doc = null;
- CollectGarbage();
- }
- };
-
- HTMLFile.prototype.disconnect = function(){
- this._destroy();
- return io.Transport.XHR.prototype.disconnect.call(this);
- };
-
- HTMLFile.check = function(){
- if ('ActiveXObject' in window){
- try {
- var a = new ActiveXObject('htmlfile');
- return a && io.Transport.XHR.check();
- } catch(e){}
- }
- return false;
- };
- HTMLFile.xdomainCheck = function(){
- // we can probably do handling for sub-domains, we should test that it's cross domain but a subdomain here
- return false;
- };
-
- })();
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- (function(){
-
- var XHRMultipart = io.Transport['xhr-multipart'] = function(){
- io.Transport.XHR.apply(this, arguments);
- };
-
- io.util.inherit(XHRMultipart, io.Transport.XHR);
-
- XHRMultipart.prototype.type = 'xhr-multipart';
-
- XHRMultipart.prototype._get = function(){
- var self = this;
- this._xhr = this._request('', 'GET', true);
- this._xhr.onreadystatechange = function(){
- if (self._xhr.readyState == 3) self._onData(self._xhr.responseText);
- };
- this._xhr.send();
- };
-
- XHRMultipart.check = function(){
- return 'XMLHttpRequest' in window && 'prototype' in XMLHttpRequest && 'multipart' in XMLHttpRequest.prototype;
- };
- XHRMultipart.xdomainCheck = function(){
- return true;
- };
-
- })();
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- (function(){
- var empty = new Function(),
- XHRPolling = io.Transport['xhr-polling'] = function(){
- io.Transport.XHR.apply(this, arguments);
- };
- io.util.inherit(XHRPolling, io.Transport.XHR);
- XHRPolling.prototype.type = 'xhr-polling';
- XHRPolling.prototype.connect = function(){
- if (io.util.ios || io.util.android){
- var self = this;
- io.util.load(function(){
- setTimeout(function(){
- io.Transport.XHR.prototype.connect.call(self);
- }, 10);
- });
- } else {
- io.Transport.XHR.prototype.connect.call(this);
- }
- };
- XHRPolling.prototype._get = function(){
- var self = this;
- this._xhr = this._request(+ new Date, 'GET');
- if ('onload' in this._xhr){
- this._xhr.onload = function(){
- self._onData(this.responseText);
- self._get();
- };
- } else {
- this._xhr.onreadystatechange = function(){
- var status;
- if (self._xhr.readyState == 4){
- self._xhr.onreadystatechange = empty;
- try { status = self._xhr.status; } catch(e){}
- if (status == 200){
- self._onData(self._xhr.responseText);
- self._get();
- } else {
- self._onDisconnect();
- }
- }
- };
- }
- this._xhr.send();
- };
- XHRPolling.check = function(){
- return io.Transport.XHR.check();
- };
- XHRPolling.xdomainCheck = function(){
- return io.Transport.XHR.xdomainCheck();
- };
- })();
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- io.JSONP = [];
- JSONPPolling = io.Transport['jsonp-polling'] = function(){
- io.Transport.XHR.apply(this, arguments);
- this._insertAt = document.getElementsByTagName('script')[0];
- this._index = io.JSONP.length;
- io.JSONP.push(this);
- };
- io.util.inherit(JSONPPolling, io.Transport['xhr-polling']);
- JSONPPolling.prototype.type = 'jsonp-polling';
- JSONPPolling.prototype._send = function(data){
- var self = this;
- if (!('_form' in this)){
- var form = document.createElement('FORM'),
- area = document.createElement('TEXTAREA'),
- id = this._iframeId = 'socket_io_iframe_' + this._index,
- iframe;
- form.style.position = 'absolute';
- form.style.top = '-1000px';
- form.style.left = '-1000px';
- form.target = id;
- form.method = 'POST';
- form.action = this._prepareUrl() + '/' + (+new Date) + '/' + this._index;
- area.name = 'data';
- form.appendChild(area);
- this._insertAt.parentNode.insertBefore(form, this._insertAt);
- document.body.appendChild(form);
- this._form = form;
- this._area = area;
- }
- function complete(){
- initIframe();
- self._posting = false;
- self._checkSend();
- };
- function initIframe(){
- if (self._iframe){
- self._form.removeChild(self._iframe);
- }
- try {
- // ie6 dynamic iframes with target="" support (thanks Chris Lambacher)
- iframe = document.createElement('<iframe name="'+ self._iframeId +'">');
- } catch(e){
- iframe = document.createElement('iframe');
- iframe.name = self._iframeId;
- }
- iframe.id = self._iframeId;
- self._form.appendChild(iframe);
- self._iframe = iframe;
- };
- initIframe();
- this._posting = true;
- this._area.value = data;
- try {
- this._form.submit();
- } catch(e){}
- if (this._iframe.attachEvent){
- iframe.onreadystatechange = function(){
- if (self._iframe.readyState == 'complete') complete();
- };
- } else {
- this._iframe.onload = complete;
- }
- };
- JSONPPolling.prototype._get = function(){
- var self = this,
- script = document.createElement('SCRIPT');
- if (this._script){
- this._script.parentNode.removeChild(this._script);
- this._script = null;
- }
- script.async = true;
- script.src = this._prepareUrl() + '/' + (+new Date) + '/' + this._index;
- script.onerror = function(){
- self._onDisconnect();
- };
- this._insertAt.parentNode.insertBefore(script, this._insertAt);
- this._script = script;
- };
- JSONPPolling.prototype.disconnect = function(){
- if (this._script){
- this._script.parentNode.removeChild(this._script);
- this._script = null;
- }
- io.Transport['xhr-polling'].prototype.disconnect.call(this);
- return this;
- };
- JSONPPolling.prototype._ = function(){
- this._onData.apply(this, arguments);
- this._get();
- return this;
- };
- JSONPPolling.check = function(){
- return true;
- };
- JSONPPolling.xdomainCheck = function(){
- return true;
- };
- /**
- * Socket.IO client
- *
- * @author Guillermo Rauch <guillermo@learnboost.com>
- * @license The MIT license.
- * @copyright Copyright (c) 2010 LearnBoost <dev@learnboost.com>
- */
- (function(){
-
- var Socket = io.Socket = function(host, options){
- this.host = host || document.domain;
- this.options = {
- secure: false,
- document: document,
- port: document.location.port || 80,
- resource: 'socket.io',
- transports: ['websocket', 'flashsocket', 'htmlfile', 'xhr-multipart', 'xhr-polling', 'jsonp-polling'],
- transportOptions: {
- 'xhr-polling': {
- timeout: 25000 // based on polling duration default
- },
- 'jsonp-polling': {
- timeout: 25000
- }
- },
- connectTimeout: 5000,
- tryTransportsOnConnectTimeout: true,
- rememberTransport: true
- };
- io.util.merge(this.options, options);
- this.connected = false;
- this.connecting = false;
- this._events = {};
- this.transport = this.getTransport();
- if (!this.transport && 'console' in window) console.error('No transport available');
- };
-
- Socket.prototype.getTransport = function(override){
- var transports = override || this.options.transports, match;
- if (this.options.rememberTransport && !override){
- match = this.options.document.cookie.match('(?:^|;)\\s*socketio=([^;]*)');
- if (match){
- this._rememberedTransport = true;
- transports = [decodeURIComponent(match[1])];
- }
- }
- for (var i = 0, transport; transport = transports[i]; i++){
- if (io.Transport[transport]
- && io.Transport[transport].check()
- && (!this._isXDomain() || io.Transport[transport].xdomainCheck())){
- return new io.Transport[transport](this, this.options.transportOptions[transport] || {});
- }
- }
- return null;
- };
-
- Socket.prototype.connect = function(){
- if (this.transport && !this.connected){
- if (this.connecting) this.disconnect();
- this.connecting = true;
- this.transport.connect();
- if (this.options.connectTimeout){
- var self = this;
- setTimeout(function(){
- if (!self.connected){
- self.disconnect();
- if (self.options.tryTransportsOnConnectTimeout && !self._rememberedTransport){
- var remainingTransports = [], transports = self.options.transports;
- for (var i = 0, transport; transport = transports[i]; i++){
- if (transport != self.transport.type) remainingTransports.push(transport);
- }
- if (remainingTransports.length){
- self.transport = self.getTransport(remainingTransports);
- self.connect();
- }
- }
- }
- }, this.options.connectTimeout);
- }
- }
- return this;
- };
-
- Socket.prototype.write = function(message, atts){
- if (!this.transport || !this.transport.connected) return this._queue(message, atts);
- this.transport.write(message, atts);
- return this;
- };
-
- Socket.prototype.send = function(message, atts){
- atts = atts || {};
- if (typeof message == 'object'){
- atts['j'] = null;
- message = JSON.stringify(message);
- }
- this.write('1', io.data.encodeMessage(message, atts));
- return this;
- };
- Socket.prototype.json = function(obj, atts){
- atts = atts || {};
- atts['j'] = null
- return this.send(JSON.stringify(obj), atts);
- }
- Socket.prototype.disconnect = function(){
- this.transport.disconnect();
- return this;
- };
-
- Socket.prototype.on = function(name, fn){
- if (!(name in this._events)) this._events[name] = [];
- this._events[name].push(fn);
- return this;
- };
-
- Socket.prototype.emit = function(name, args){
- if (name in this._events){
- for (var i = 0, ii = this._events[name].length; i < ii; i++)
- this._events[name][i].apply(this, args === undefined ? [] : args);
- }
- return this;
- };
-
- Socket.prototype.removeEvent = function(name, fn){
- if (name in this._events){
- for (var a = 0, l = this._events[name].length; a < l; a++)
- if (this._events[name][a] == fn) this._events[name].splice(a, 1);
- }
- return this;
- };
-
- Socket.prototype._queue = function(message, atts){
- if (!('_queueStack' in this)) this._queueStack = [];
- this._queueStack.push([message, atts]);
- return this;
- };
-
- Socket.prototype._doQueue = function(){
- if (!('_queueStack' in this) || !this._queueStack.length) return this;
- this.transport.write(this._queueStack);
- this._queueStack = [];
- return this;
- };
-
- Socket.prototype._isXDomain = function(){
- return this.host !== document.domain;
- };
-
- Socket.prototype._onConnect = function(){
- this.connected = true;
- this.connecting = false;
- this._doQueue();
- if (this.options.rememberTransport) this.options.document.cookie = 'socketio=' + encodeURIComponent(this.transport.type);
- this.emit('connect');
- };
-
- Socket.prototype._onMessage = function(data){
- this.emit('message', [data]);
- };
-
- Socket.prototype._onDisconnect = function(){
- var wasConnected = this.connected;
- this.connected = false;
- this.connecting = false;
- this._queueStack = [];
- if (wasConnected) this.emit('disconnect');
- };
-
- Socket.prototype.addListener = Socket.prototype.addEvent = Socket.prototype.addEventListener = Socket.prototype.on;
-
- Socket.prototype.fire = Socket.prototype.emit;
- })();
- /* SWFObject v2.2 <http://code.google.com/p/swfobject/>
- is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
- */
- var swfobject=function(){var D="undefined",r="object",S="Shockwave Flash",W="ShockwaveFlash.ShockwaveFlash",q="application/x-shockwave-flash",R="SWFObjectExprInst",x="onreadystatechange",O=window,j=document,t=navigator,T=false,U=[h],o=[],N=[],I=[],l,Q,E,B,J=false,a=false,n,G,m=true,M=function(){var aa=typeof j.getElementById!=D&&typeof j.getElementsByTagName!=D&&typeof j.createElement!=D,ah=t.userAgent.toLowerCase(),Y=t.platform.toLowerCase(),ae=Y?/win/.test(Y):/win/.test(ah),ac=Y?/mac/.test(Y):/mac/.test(ah),af=/webkit/.test(ah)?parseFloat(ah.replace(/^.*webkit\/(\d+(\.\d+)?).*$/,"$1")):false,X=!+"\v1",ag=[0,0,0],ab=null;if(typeof t.plugins!=D&&typeof t.plugins[S]==r){ab=t.plugins[S].description;if(ab&&!(typeof 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- /*
- /*
- Copyright 2006 Adobe Systems Incorporated
- 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.
- */
- /*
- * The Bridge class, responsible for navigating AS instances
- */
- function FABridge(target,bridgeName)
- {
- this.target = target;
- this.remoteTypeCache = {};
- this.remoteInstanceCache = {};
- this.remoteFunctionCache = {};
- this.localFunctionCache = {};
- this.bridgeID = FABridge.nextBridgeID++;
- this.name = bridgeName;
- this.nextLocalFuncID = 0;
- FABridge.instances[this.name] = this;
- FABridge.idMap[this.bridgeID] = this;
- return this;
- }
- // type codes for packed values
- FABridge.TYPE_ASINSTANCE = 1;
- FABridge.TYPE_ASFUNCTION = 2;
- FABridge.TYPE_JSFUNCTION = 3;
- FABridge.TYPE_ANONYMOUS = 4;
- FABridge.initCallbacks = {};
- FABridge.userTypes = {};
- FABridge.addToUserTypes = function()
- {
- for (var i = 0; i < arguments.length; i++)
- {
- FABridge.userTypes[arguments[i]] = {
- 'typeName': arguments[i],
- 'enriched': false
- };
- }
- }
- FABridge.argsToArray = function(args)
- {
- var result = [];
- for (var i = 0; i < args.length; i++)
- {
- result[i] = args[i];
- }
- return result;
- }
- function instanceFactory(objID)
- {
- this.fb_instance_id = objID;
- return this;
- }
- function FABridge__invokeJSFunction(args)
- {
- var funcID = args[0];
- var throughArgs = args.concat();//FABridge.argsToArray(arguments);
- throughArgs.shift();
-
- var bridge = FABridge.extractBridgeFromID(funcID);
- return bridge.invokeLocalFunction(funcID, throughArgs);
- }
- FABridge.addInitializationCallback = function(bridgeName, callback)
- {
- var inst = FABridge.instances[bridgeName];
- if (inst != undefined)
- {
- callback.call(inst);
- return;
- }
- var callbackList = FABridge.initCallbacks[bridgeName];
- if(callbackList == null)
- {
- FABridge.initCallbacks[bridgeName] = callbackList = [];
- }
- callbackList.push(callback);
- }
- // updated for changes to SWFObject2
- function FABridge__bridgeInitialized(bridgeName) {
- var objects = document.getElementsByTagName("object");
- var ol = objects.length;
- var activeObjects = [];
- if (ol > 0) {
- for (var i = 0; i < ol; i++) {
- if (typeof objects[i].SetVariable != "undefined") {
- activeObjects[activeObjects.length] = objects[i];
- }
- }
- }
- var embeds = document.getElementsByTagName("embed");
- var el = embeds.length;
- var activeEmbeds = [];
- if (el > 0) {
- for (var j = 0; j < el; j++) {
- if (typeof embeds[j].SetVariable != "undefined") {
- activeEmbeds[activeEmbeds.length] = embeds[j];
- }
- }
- }
- var aol = activeObjects.length;
- var ael = activeEmbeds.length;
- var searchStr = "bridgeName="+ bridgeName;
- if ((aol == 1 && !ael) || (aol == 1 && ael == 1)) {
- FABridge.attachBridge(activeObjects[0], bridgeName);
- }
- else if (ael == 1 && !aol) {
- FABridge.attachBridge(activeEmbeds[0], bridgeName);
- }
- else {
- var flash_found = false;
- if (aol > 1) {
- for (var k = 0; k < aol; k++) {
- var params = activeObjects[k].childNodes;
- for (var l = 0; l < params.length; l++) {
- var param = params[l];
- if (param.nodeType == 1 && param.tagName.toLowerCase() == "param" && param["name"].toLowerCase() == "flashvars" && param["value"].indexOf(searchStr) >= 0) {
- FABridge.attachBridge(activeObjects[k], bridgeName);
- flash_found = true;
- break;
- }
- }
- if (flash_found) {
- break;
- }
- }
- }
- if (!flash_found && ael > 1) {
- for (var m = 0; m < ael; m++) {
- var flashVars = activeEmbeds[m].attributes.getNamedItem("flashVars").nodeValue;
- if (flashVars.indexOf(searchStr) >= 0) {
- FABridge.attachBridge(activeEmbeds[m], bridgeName);
- break;
- }
- }
- }
- }
- return true;
- }
- // used to track multiple bridge instances, since callbacks from AS are global across the page.
- FABridge.nextBridgeID = 0;
- FABridge.instances = {};
- FABridge.idMap = {};
- FABridge.refCount = 0;
- FABridge.extractBridgeFromID = function(id)
- {
- var bridgeID = (id >> 16);
- return FABridge.idMap[bridgeID];
- }
- FABridge.attachBridge = function(instance, bridgeName)
- {
- var newBridgeInstance = new FABridge(instance, bridgeName);
- FABridge[bridgeName] = newBridgeInstance;
- /* FABridge[bridgeName] = function() {
- return newBridgeInstance.root();
- }
- */
- var callbacks = FABridge.initCallbacks[bridgeName];
- if (callbacks == null)
- {
- return;
- }
- for (var i = 0; i < callbacks.length; i++)
- {
- callbacks[i].call(newBridgeInstance);
- }
- delete FABridge.initCallbacks[bridgeName]
- }
- // some methods can't be proxied. You can use the explicit get,set, and call methods if necessary.
- FABridge.blockedMethods =
- {
- toString: true,
- get: true,
- set: true,
- call: true
- };
- FABridge.prototype =
- {
- // bootstrapping
- root: function()
- {
- return this.deserialize(this.target.getRoot());
- },
- //clears all of the AS objects in the cache maps
- releaseASObjects: function()
- {
- return this.target.releaseASObjects();
- },
- //clears a specific object in AS from the type maps
- releaseNamedASObject: function(value)
- {
- if(typeof(value) != "object")
- {
- return false;
- }
- else
- {
- var ret = this.target.releaseNamedASObject(value.fb_instance_id);
- return ret;
- }
- },
- //create a new AS Object
- create: function(className)
- {
- return this.deserialize(this.target.create(className));
- },
- // utilities
- makeID: function(token)
- {
- return (this.bridgeID << 16) + token;
- },
- // low level access to the flash object
- //get a named property from an AS object
- getPropertyFromAS: function(objRef, propName)
- {
- if (FABridge.refCount > 0)
- {
- throw new Error("You are trying to call recursively into the Flash Player which is not allowed. In most cases the JavaScript setTimeout function, can be used as a workaround.");
- }
- else
- {
- FABridge.refCount++;
- retVal = this.target.getPropFromAS(objRef, propName);
- retVal = this.handleError(retVal);
- FABridge.refCount--;
- return retVal;
- }
- },
- //set a named property on an AS object
- setPropertyInAS: function(objRef,propName, value)
- {
- if (FABridge.refCount > 0)
- {
- throw new Error("You are trying to call recursively into the Flash Player which is not allowed. In most cases the JavaScript setTimeout function, can be used as a workaround.");
- }
- else
- {
- FABridge.refCount++;
- retVal = this.target.setPropInAS(objRef,propName, this.serialize(value));
- retVal = this.handleError(retVal);
- FABridge.refCount--;
- return retVal;
- }
- },
- //call an AS function
- callASFunction: function(funcID, args)
- {
- if (FABridge.refCount > 0)
- {
- throw new Error("You are trying to call recursively into the Flash Player which is not allowed. In most cases the JavaScript setTimeout function, can be used as a workaround.");
- }
- else
- {
- FABridge.refCount++;
- retVal = this.target.invokeASFunction(funcID, this.serialize(args));
- retVal = this.handleError(retVal);
- FABridge.refCount--;
- return retVal;
- }
- },
- //call a method on an AS object
- callASMethod: function(objID, funcName, args)
- {
- if (FABridge.refCount > 0)
- {
- throw new Error("You are trying to call recursively into the Flash Player which is not allowed. In most cases the JavaScript setTimeout function, can be used as a workaround.");
- }
- else
- {
- FABridge.refCount++;
- args = this.serialize(args);
- retVal = this.target.invokeASMethod(objID, funcName, args);
- retVal = this.handleError(retVal);
- FABridge.refCount--;
- return retVal;
- }
- },
- // responders to remote calls from flash
- //callback from flash that executes a local JS function
- //used mostly when setting js functions as callbacks on events
- invokeLocalFunction: function(funcID, args)
- {
- var result;
- var func = this.localFunctionCache[funcID];
- if(func != undefined)
- {
- result = this.serialize(func.apply(null, this.deserialize(args)));
- }
- return result;
- },
- // Object Types and Proxies
-
- // accepts an object reference, returns a type object matching the obj reference.
- getTypeFromName: function(objTypeName)
- {
- return this.remoteTypeCache[objTypeName];
- },
- //create an AS proxy for the given object ID and type
- createProxy: function(objID, typeName)
- {
- var objType = this.getTypeFromName(typeName);
- instanceFactory.prototype = objType;
- var instance = new instanceFactory(objID);
- this.remoteInstanceCache[objID] = instance;
- return instance;
- },
- //return the proxy associated with the given object ID
- getProxy: function(objID)
- {
- return this.remoteInstanceCache[objID];
- },
- // accepts a type structure, returns a constructed type
- addTypeDataToCache: function(typeData)
- {
- var newType = new ASProxy(this, typeData.name);
- var accessors = typeData.accessors;
- for (var i = 0; i < accessors.length; i++)
- {
- this.addPropertyToType(newType, accessors[i]);
- }
- var methods = typeData.methods;
- for (var i = 0; i < methods.length; i++)
- {
- if (FABridge.blockedMethods[methods[i]] == undefined)
- {
- this.addMethodToType(newType, methods[i]);
- }
- }
- this.remoteTypeCache[newType.typeName] = newType;
- return newType;
- },
- //add a property to a typename; used to define the properties that can be called on an AS proxied object
- addPropertyToType: function(ty, propName)
- {
- var c = propName.charAt(0);
- var setterName;
- var getterName;
- if(c >= "a" && c <= "z")
- {
- getterName = "get" + c.toUpperCase() + propName.substr(1);
- setterName = "set" + c.toUpperCase() + propName.substr(1);
- }
- else
- {
- getterName = "get" + propName;
- setterName = "set" + propName;
- }
- ty[setterName] = function(val)
- {
- this.bridge.setPropertyInAS(this.fb_instance_id, propName, val);
- }
- ty[getterName] = function()
- {
- return this.bridge.deserialize(this.bridge.getPropertyFromAS(this.fb_instance_id, propName));
- }
- },
- //add a method to a typename; used to define the methods that can be callefd on an AS proxied object
- addMethodToType: function(ty, methodName)
- {
- ty[methodName] = function()
- {
- return this.bridge.deserialize(this.bridge.callASMethod(this.fb_instance_id, methodName, FABridge.argsToArray(arguments)));
- }
- },
- // Function Proxies
- //returns the AS proxy for the specified function ID
- getFunctionProxy: function(funcID)
- {
- var bridge = this;
- if (this.remoteFunctionCache[funcID] == null)
- {
- this.remoteFunctionCache[funcID] = function()
- {
- bridge.callASFunction(funcID, FABridge.argsToArray(arguments));
- }
- }
- return this.remoteFunctionCache[funcID];
- },
-
- //reutrns the ID of the given function; if it doesnt exist it is created and added to the local cache
- getFunctionID: function(func)
- {
- if (func.__bridge_id__ == undefined)
- {
- func.__bridge_id__ = this.makeID(this.nextLocalFuncID++);
- this.localFunctionCache[func.__bridge_id__] = func;
- }
- return func.__bridge_id__;
- },
- // serialization / deserialization
- serialize: function(value)
- {
- var result = {};
- var t = typeof(value);
- //primitives are kept as such
- if (t == "number" || t == "string" || t == "boolean" || t == null || t == undefined)
- {
- result = value;
- }
- else if (value instanceof Array)
- {
- //arrays are serializesd recursively
- result = [];
- for (var i = 0; i < value.length; i++)
- {
- result[i] = this.serialize(value[i]);
- }
- }
- else if (t == "function")
- {
- //js functions are assigned an ID and stored in the local cache
- result.type = FABridge.TYPE_JSFUNCTION;
- result.value = this.getFunctionID(value);
- }
- else if (value instanceof ASProxy)
- {
- result.type = FABridge.TYPE_ASINSTANCE;
- result.value = value.fb_instance_id;
- }
- else
- {
- result.type = FABridge.TYPE_ANONYMOUS;
- result.value = value;
- }
- return result;
- },
- //on deserialization we always check the return for the specific error code that is used to marshall NPE's into JS errors
- // the unpacking is done by returning the value on each pachet for objects/arrays
- deserialize: function(packedValue)
- {
- var result;
- var t = typeof(packedValue);
- if (t == "number" || t == "string" || t == "boolean" || packedValue == null || packedValue == undefined)
- {
- result = this.handleError(packedValue);
- }
- else if (packedValue instanceof Array)
- {
- result = [];
- for (var i = 0; i < packedValue.length; i++)
- {
- result[i] = this.deserialize(packedValue[i]);
- }
- }
- else if (t == "object")
- {
- for(var i = 0; i < packedValue.newTypes.length; i++)
- {
- this.addTypeDataToCache(packedValue.newTypes[i]);
- }
- for (var aRefID in packedValue.newRefs)
- {
- this.createProxy(aRefID, packedValue.newRefs[aRefID]);
- }
- if (packedValue.type == FABridge.TYPE_PRIMITIVE)
- {
- result = packedValue.value;
- }
- else if (packedValue.type == FABridge.TYPE_ASFUNCTION)
- {
- result = this.getFunctionProxy(packedValue.value);
- }
- else if (packedValue.type == FABridge.TYPE_ASINSTANCE)
- {
- result = this.getProxy(packedValue.value);
- }
- else if (packedValue.type == FABridge.TYPE_ANONYMOUS)
- {
- result = packedValue.value;
- }
- }
- return result;
- },
- //increases the reference count for the given object
- addRef: function(obj)
- {
- this.target.incRef(obj.fb_instance_id);
- },
- //decrease the reference count for the given object and release it if needed
- release:function(obj)
- {
- this.target.releaseRef(obj.fb_instance_id);
- },
- // check the given value for the components of the hard-coded error code : __FLASHERROR
- // used to marshall NPE's into flash
-
- handleError: function(value)
- {
- if (typeof(value)=="string" && value.indexOf("__FLASHERROR")==0)
- {
- var myErrorMessage = value.split("||");
- if(FABridge.refCount > 0 )
- {
- FABridge.refCount--;
- }
- throw new Error(myErrorMessage[1]);
- return value;
- }
- else
- {
- return value;
- }
- }
- };
- // The root ASProxy class that facades a flash object
- ASProxy = function(bridge, typeName)
- {
- this.bridge = bridge;
- this.typeName = typeName;
- return this;
- };
- //methods available on each ASProxy object
- ASProxy.prototype =
- {
- get: function(propName)
- {
- return this.bridge.deserialize(this.bridge.getPropertyFromAS(this.fb_instance_id, propName));
- },
- set: function(propName, value)
- {
- this.bridge.setPropertyInAS(this.fb_instance_id, propName, value);
- },
- call: function(funcName, args)
- {
- this.bridge.callASMethod(this.fb_instance_id, funcName, args);
- },
-
- addRef: function() {
- this.bridge.addRef(this);
- },
-
- release: function() {
- this.bridge.release(this);
- }
- };
- // Copyright: Hiroshi Ichikawa <http://gimite.net/en/>
- // License: New BSD License
- // Reference: http://dev.w3.org/html5/websockets/
- // Reference: http://tools.ietf.org/html/draft-hixie-thewebsocketprotocol
- (function() {
-
- if (window.WebSocket) return;
- var console = window.console;
- if (!console) console = {log: function(){ }, error: function(){ }};
- if (!swfobject.hasFlashPlayerVersion("9.0.0")) {
- console.error("Flash Player is not installed.");
- return;
- }
- if (location.protocol == "file:") {
- console.error(
- "WARNING: web-socket-js doesn't work in file:///... URL " +
- "unless you set Flash Security Settings properly. " +
- "Open the page via Web server i.e. http://...");
- }
- WebSocket = function(url, protocol, proxyHost, proxyPort, headers) {
- var self = this;
- self.readyState = WebSocket.CONNECTING;
- self.bufferedAmount = 0;
- // Uses setTimeout() to make sure __createFlash() runs after the caller sets ws.onopen etc.
- // Otherwise, when onopen fires immediately, onopen is called before it is set.
- setTimeout(function() {
- WebSocket.__addTask(function() {
- self.__createFlash(url, protocol, proxyHost, proxyPort, headers);
- });
- }, 1);
- }
-
- WebSocket.prototype.__createFlash = function(url, protocol, proxyHost, proxyPort, headers) {
- var self = this;
- self.__flash =
- WebSocket.__flash.create(url, protocol, proxyHost || null, proxyPort || 0, headers || null);
- self.__flash.addEventListener("open", function(fe) {
- try {
- self.readyState = self.__flash.getReadyState();
- if (self.__timer) clearInterval(self.__timer);
- if (window.opera) {
- // Workaround for weird behavior of Opera which sometimes drops events.
- self.__timer = setInterval(function () {
- self.__handleMessages();
- }, 500);
- }
- if (self.onopen) self.onopen();
- } catch (e) {
- console.error(e.toString());
- }
- });
- self.__flash.addEventListener("close", function(fe) {
- try {
- self.readyState = self.__flash.getReadyState();
- if (self.__timer) clearInterval(self.__timer);
- if (self.onclose) self.onclose();
- } catch (e) {
- console.error(e.toString());
- }
- });
- self.__flash.addEventListener("message", function() {
- try {
- self.__handleMessages();
- } catch (e) {
- console.error(e.toString());
- }
- });
- self.__flash.addEventListener("error", function(fe) {
- try {
- if (self.__timer) clearInterval(self.__timer);
- if (self.onerror) self.onerror();
- } catch (e) {
- console.error(e.toString());
- }
- });
- self.__flash.addEventListener("stateChange", function(fe) {
- try {
- self.readyState = self.__flash.getReadyState();
- self.bufferedAmount = fe.getBufferedAmount();
- } catch (e) {
- console.error(e.toString());
- }
- });
- //console.log("[WebSocket] Flash object is ready");
- };
- WebSocket.prototype.send = function(data) {
- if (this.__flash) {
- this.readyState = this.__flash.getReadyState();
- }
- if (!this.__flash || this.readyState == WebSocket.CONNECTING) {
- throw "INVALID_STATE_ERR: Web Socket connection has not been established";
- }
- // We use encodeURIComponent() here, because FABridge doesn't work if
- // the argument includes some characters. We don't use escape() here
- // because of this:
- // https://developer.mozilla.org/en/Core_JavaScript_1.5_Guide/Functions#escape_and_unescape_Functions
- // But it looks decodeURIComponent(encodeURIComponent(s)) doesn't
- // preserve all Unicode characters either e.g. "\uffff" in Firefox.
- var result = this.__flash.send(encodeURIComponent(data));
- if (result < 0) { // success
- return true;
- } else {
- this.bufferedAmount = result;
- return false;
- }
- };
- WebSocket.prototype.close = function() {
- var self = this;
- if (!self.__flash) return;
- self.readyState = self.__flash.getReadyState();
- if (self.readyState == WebSocket.CLOSED || self.readyState == WebSocket.CLOSING) return;
- self.__flash.close();
- // Sets/calls them manually here because Flash WebSocketConnection.close cannot fire events
- // which causes weird error:
- // > You are trying to call recursively into the Flash Player which is not allowed.
- self.readyState = WebSocket.CLOSED;
- if (self.__timer) clearInterval(self.__timer);
- if (self.onclose) {
- // Make it asynchronous so that it looks more like an actual
- // close event
- setTimeout(self.onclose, 1);
- }
- };
- /**
- * Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>}
- *
- * @param {string} type
- * @param {function} listener
- * @param {boolean} useCapture !NB Not implemented yet
- * @return void
- */
- WebSocket.prototype.addEventListener = function(type, listener, useCapture) {
- if (!('__events' in this)) {
- this.__events = {};
- }
- if (!(type in this.__events)) {
- this.__events[type] = [];
- if ('function' == typeof this['on' + type]) {
- this.__events[type].defaultHandler = this['on' + type];
- this['on' + type] = this.__createEventHandler(this, type);
- }
- }
- this.__events[type].push(listener);
- };
- /**
- * Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>}
- *
- * @param {string} type
- * @param {function} listener
- * @param {boolean} useCapture NB! Not implemented yet
- * @return void
- */
- WebSocket.prototype.removeEventListener = function(type, listener, useCapture) {
- if (!('__events' in this)) {
- this.__events = {};
- }
- if (!(type in this.__events)) return;
- for (var i = this.__events.length; i > -1; --i) {
- if (listener === this.__events[type][i]) {
- this.__events[type].splice(i, 1);
- break;
- }
- }
- };
- /**
- * Implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration">DOM 2 EventTarget Interface</a>}
- *
- * @param {WebSocketEvent} event
- * @return void
- */
- WebSocket.prototype.dispatchEvent = function(event) {
- if (!('__events' in this)) throw 'UNSPECIFIED_EVENT_TYPE_ERR';
- if (!(event.type in this.__events)) throw 'UNSPECIFIED_EVENT_TYPE_ERR';
- for (var i = 0, l = this.__events[event.type].length; i < l; ++ i) {
- this.__events[event.type][i](event);
- if (event.cancelBubble) break;
- }
- if (false !== event.returnValue &&
- 'function' == typeof this.__events[event.type].defaultHandler)
- {
- this.__events[event.type].defaultHandler(event);
- }
- };
- WebSocket.prototype.__handleMessages = function() {
- // Gets data using readSocketData() instead of getting it from event object
- // of Flash event. This is to make sure to keep message order.
- // It seems sometimes Flash events don't arrive in the same order as they are sent.
- var arr = this.__flash.readSocketData();
- for (var i = 0; i < arr.length; i++) {
- var data = decodeURIComponent(arr[i]);
- try {
- if (this.onmessage) {
- var e;
- if (window.MessageEvent) {
- e = document.createEvent("MessageEvent");
- e.initMessageEvent("message", false, false, data, null, null, window, null);
- } else { // IE
- e = {data: data};
- }
- this.onmessage(e);
- }
- } catch (e) {
- console.error(e.toString());
- }
- }
- };
- /**
- * @param {object} object
- * @param {string} type
- */
- WebSocket.prototype.__createEventHandler = function(object, type) {
- return function(data) {
- var event = new WebSocketEvent();
- event.initEvent(type, true, true);
- event.target = event.currentTarget = object;
- for (var key in data) {
- event[key] = data[key];
- }
- object.dispatchEvent(event, arguments);
- };
- }
- /**
- * Basic implementation of {@link <a href="http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-interface">DOM 2 EventInterface</a>}
- *
- * @class
- * @constructor
- */
- function WebSocketEvent(){}
- /**
- *
- * @type boolean
- */
- WebSocketEvent.prototype.cancelable = true;
- /**
- *
- * @type boolean
- */
- WebSocketEvent.prototype.cancelBubble = false;
- /**
- *
- * @return void
- */
- WebSocketEvent.prototype.preventDefault = function() {
- if (this.cancelable) {
- this.returnValue = false;
- }
- };
- /**
- *
- * @return void
- */
- WebSocketEvent.prototype.stopPropagation = function() {
- this.cancelBubble = true;
- };
- /**
- *
- * @param {string} eventTypeArg
- * @param {boolean} canBubbleArg
- * @param {boolean} cancelableArg
- * @return void
- */
- WebSocketEvent.prototype.initEvent = function(eventTypeArg, canBubbleArg, cancelableArg) {
- this.type = eventTypeArg;
- this.cancelable = cancelableArg;
- this.timeStamp = new Date();
- };
- WebSocket.CONNECTING = 0;
- WebSocket.OPEN = 1;
- WebSocket.CLOSING = 2;
- WebSocket.CLOSED = 3;
- WebSocket.__tasks = [];
- WebSocket.__initialize = function() {
- if (WebSocket.__swfLocation) {
- // For backword compatibility.
- window.WEB_SOCKET_SWF_LOCATION = WebSocket.__swfLocation;
- }
- if (!window.WEB_SOCKET_SWF_LOCATION) {
- console.error("[WebSocket] set WEB_SOCKET_SWF_LOCATION to location of WebSocketMain.swf");
- return;
- }
- var container = document.createElement("div");
- container.id = "webSocketContainer";
- // Hides Flash box. We cannot use display: none or visibility: hidden because it prevents
- // Flash from loading at least in IE. So we move it out of the screen at (-100, -100).
- // But this even doesn't work with Flash Lite (e.g. in Droid Incredible). So with Flash
- // Lite, we put it at (0, 0). This shows 1x1 box visible at left-top corner but this is
- // the best we can do as far as we know now.
- container.style.position = "absolute";
- if (WebSocket.__isFlashLite()) {
- container.style.left = "0px";
- container.style.top = "0px";
- } else {
- container.style.left = "-100px";
- container.style.top = "-100px";
- }
- var holder = document.createElement("div");
- holder.id = "webSocketFlash";
- container.appendChild(holder);
- document.body.appendChild(container);
- // See this article for hasPriority:
- // http://help.adobe.com/en_US/as3/mobile/WS4bebcd66a74275c36cfb8137124318eebc6-7ffd.html
- swfobject.embedSWF(
- WEB_SOCKET_SWF_LOCATION, "webSocketFlash",
- "1" /* width */, "1" /* height */, "9.0.0" /* SWF version */,
- null, {bridgeName: "webSocket"}, {hasPriority: true, allowScriptAccess: "always"}, null,
- function(e) {
- if (!e.success) console.error("[WebSocket] swfobject.embedSWF failed");
- }
- );
- FABridge.addInitializationCallback("webSocket", function() {
- try {
- //console.log("[WebSocket] FABridge initializad");
- WebSocket.__flash = FABridge.webSocket.root();
- WebSocket.__flash.setCallerUrl(location.href);
- WebSocket.__flash.setDebug(!!window.WEB_SOCKET_DEBUG);
- for (var i = 0; i < WebSocket.__tasks.length; ++i) {
- WebSocket.__tasks[i]();
- }
- WebSocket.__tasks = [];
- } catch (e) {
- console.error("[WebSocket] " + e.toString());
- }
- });
- };
- WebSocket.__addTask = function(task) {
- if (WebSocket.__flash) {
- task();
- } else {
- WebSocket.__tasks.push(task);
- }
- };
-
- WebSocket.__isFlashLite = function() {
- if (!window.navigator || !window.navigator.mimeTypes) return false;
- var mimeType = window.navigator.mimeTypes["application/x-shockwave-flash"];
- if (!mimeType || !mimeType.enabledPlugin || !mimeType.enabledPlugin.filename) return false;
- return mimeType.enabledPlugin.filename.match(/flashlite/i) ? true : false;
- };
- // called from Flash
- window.webSocketLog = function(message) {
- console.log(decodeURIComponent(message));
- };
- // called from Flash
- window.webSocketError = function(message) {
- console.error(decodeURIComponent(message));
- };
- if (!window.WEB_SOCKET_DISABLE_AUTO_INITIALIZATION) {
- if (window.addEventListener) {
- window.addEventListener("load", WebSocket.__initialize, false);
- } else {
- window.attachEvent("onload", WebSocket.__initialize);
- }
- }
-
- })();