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working websocket

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This commit is contained in:
maxwell 2010-06-19 00:09:58 -07:00
parent 63866a8128
commit 8019fc8d31
6 changed files with 957 additions and 0 deletions
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27
app/views/dashboard/socket.erb Normal file
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<html>
<head>
<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js'></script>
<script src='javascripts/swfobject.js'></script>
<script src='javascripts/FABridge.js'></script>
<script src='javascripts/web_socket.js'></script>
<script>
$(document).ready(function(){
function debug(str){ $("#debug").append("<p>" + str); };
ws = new WebSocket("ws://localhost:8080/");
ws.onmessage = function(evt) { $(".msg").prepend("<p>"+evt.data+"</p>"); };
ws.onclose = function() { debug("socket closed"); };
ws.onopen = function() {
debug("connected...");
ws.send("hello server");
ws.send("hello again");
};
});
</script>
</head>
<body>
boner
<div id="debug"></div>
<div class="msg"></div>
</body>
</html>

10
config/initializers/socket.rb Normal file
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require 'em-websocket'
require 'eventmachine'
EM.next_tick {
EventMachine::WebSocket.start(:host => "0.0.0.0", :port => 8080, :debug => true) do |ws|
ws.onopen { ws.send "Hello Client!"}
ws.onmessage { |msg| ws.send "Pong: #{msg}" }
ws.onclose { puts "WebSocket closed" }
end
}

604
public/javascripts/FABridge.js Normal file
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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)
{
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);
}
};

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// Copyright: Hiroshi Ichikawa <http://gimite.net/en/>
// Lincense: New BSD Lincense
// 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(){ }};
function hasFlash() {
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;
}
if (!hasFlash()) {
console.error("Flash Player is not installed.");
return;
}
WebSocket = function(url, protocol, proxyHost, proxyPort, headers) {
var self = this;
self.readyState = WebSocket.CONNECTING;
self.bufferedAmount = 0;
WebSocket.__addTask(function() {
self.__flash =
WebSocket.__flash.create(url, protocol, proxyHost || null, proxyPort || 0, headers || null);
self.__flash.addEventListener("open", function(fe) {
try {
if (self.onopen) self.onopen();
} catch (e) {
console.error(e.toString());
}
});
self.__flash.addEventListener("close", function(fe) {
try {
if (self.onclose) self.onclose();
} catch (e) {
console.error(e.toString());
}
});
self.__flash.addEventListener("message", function(fe) {
var data = decodeURIComponent(fe.getData());
try {
if (self.onmessage) {
var e;
if (window.MessageEvent) {
e = document.createEvent("MessageEvent");
e.initMessageEvent("message", false, false, data, null, null, window);
} else { // IE
e = {data: data};
}
self.onmessage(e);
}
} catch (e) {
console.error(e.toString());
}
});
self.__flash.addEventListener("stateChange", function(fe) {
try {
self.readyState = fe.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 == WebSocket.CONNECTING) {
throw "INVALID_STATE_ERR: Web Socket connection has not been established";
}
var result = this.__flash.send(data);
if (result < 0) { // success
return true;
} else {
this.bufferedAmount = result;
return false;
}
};
WebSocket.prototype.close = function() {
if (!this.__flash) return;
if (this.readyState != WebSocket.OPEN) return;
this.__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.
this.readyState = WebSocket.CLOSED;
if (this.onclose) this.onclose();
};
/**
* 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] = WebSocket_FireEvent(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);
}
};
/**
*
* @param {object} object
* @param {string} type
*/
function WebSocket_FireEvent(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.CLOSED = 2;
WebSocket.__tasks = [];
WebSocket.__initialize = function() {
if (!WebSocket.__swfLocation) {
//console.error("[WebSocket] set WebSocket.__swfLocation to location of WebSocketMain.swf");
//return;
WebSocket.__swfLocation = "js/WebSocketMain.swf";
}
var container = document.createElement("div");
container.id = "webSocketContainer";
// Puts the Flash out of the window. Note that we cannot use display: none or visibility: hidden
// here because it prevents Flash from loading at least in IE.
container.style.position = "absolute";
container.style.left = "-100px";
container.style.top = "-100px";
var holder = document.createElement("div");
holder.id = "webSocketFlash";
container.appendChild(holder);
document.body.appendChild(container);
swfobject.embedSWF(
WebSocket.__swfLocation, "webSocketFlash", "8", "8", "9.0.0",
null, {bridgeName: "webSocket"}, null, 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);
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);
}
}
// called from Flash
function webSocketLog(message) {
console.log(decodeURIComponent(message));
}
// called from Flash
function webSocketError(message) {
console.error(decodeURIComponent(message));
}
if (window.addEventListener) {
window.addEventListener("load", WebSocket.__initialize, false);
} else {
window.attachEvent("onload", WebSocket.__initialize);
}
})();