/* jsxmlsocket.js * * The MIT License * * Copyright (c) 2009 Erik Rigtorp * Copyright (c) 2008 Tjeerd Jan 'Aidamina' van der Molen * * 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. */ // Container that holds the jSocket Objects var jsXMLSocketContainer = []; // jsXMLSocket Constructor function jsXMLSocket(){ // Random id to identify the socket while(true){ this.id = "jsXMLSocket_"+Math.round(Math.random()*10000); try{ // Should throw an exception if it can't find the id in the container jsXMLSocket_GetSocket(this.id); } catch(e){ // We found an unused id break; } } // Put the jSocket in the container jsXMLSocketContainer.push({id: this.id, socket:this}); // Unused variable name used in flash for testing // Should use jSocket.variableTest = 'whatever' // If you are using a variable 'xt' in your flashmovie this.variableTest ='xt'; // Connection state this.connected = false; } // Find the Swf object jsXMLSocket.prototype.findSwf = function(){ if (window.document[this.id]){ return window.document[this.id]; } if (!$.browser.msi){ if (document.embeds && document.embeds[this.id]) return document.embeds[this.id]; } else{ return $("#"+this.id)[0]; } } // Setup the socket // target: jQuery selector specifying the container that the jSocket will be placed in jsXMLSocket.prototype.setup = function(target) { if(this.target!=undefined) throw 'Can only call setup on a jsXMLSocket Object once.'; this.target = target; // Add the object to the dom //$(this.target).append("

"); document.getElementById("socket").innerHTML="

"; } // Connect to a listening socket // host: hostname/ip to connect to // port: tcp/ip port to connect on jsXMLSocket.prototype.connect = function(host,port){ if(!this.movie) throw "jsXMLSocket isn't ready yet, use the onReady event"; if(this.connected) this.movie.close(); this.movie.connect(host, port); } // Close the socket connection jsXMLSocket.prototype.close = function(){ this.connected = false; if(this.movie) this.movie.close(); } // Find a socket by id in the jsXMLSocketContainer // id: socket id function jsXMLSocket_GetSocket(id){ var socket = false; $.each(jsXMLSocketContainer,function() { if(this.id==id){ socket = this.socket; return false; } }); if(socket) return socket; // Exception is used in the constructor throw "jsXMLSocket '"+id+"' not found in jsXMLSocketContainer"; } // Callback for the flash object to signal the flash file is loaded // triggers jsXMLSocket.onReady function jsXMLSocket_onInit(id){ var socket = jsXMLSocket_GetSocket(id); var v = socket.variableTest; // Wait until we can actually set Variables in flash var f = function(){ var err = true; try{ // Needs to be in the loop, early results might fail, when DOM hasn't updated yet var m = socket.findSwf(); m.SetVariable(v, 't'); if('t' != m.GetVariable(v)) throw null; m.SetVariable(v, ''); // Store the found movie for later use socket.movie = m; err=false; } catch(e){ window.setTimeout(f,0); } // Fire the event if(!err&&socket.onReady) socket.onReady(); } window.setTimeout(f,0); } // Callback for the flash object to signal data is received // triggers jsXMLSocket.onData function jsXMLSocket_onData(id, data){ var socket = jsXMLSocket_GetSocket(id); if(socket.onData) socket.onData(data); } // Callback for the flash object to signal the connection attempt is finished // triggers jsXMLSocket.onConnect function jsXMLSocket_onConnect(id){ var socket = jsXMLSocket_GetSocket(id); socket.connected = true; if(socket.onConnect) socket.onConnect(true); } // Callback for the flash object to signal the connection attempt is finished // triggers jsXMLSocket.onError function jsXMLSocket_onError(id, error){ var socket = jsXMLSocket_GetSocket(id); if(socket.onConnect) socket.onConnect(false,error); } // Callback for the flash object to signal the connection was closed from the other end // triggers jsXMLSocket.onClose function jsXMLSocket_onClose(id){ var socket = jsXMLSocket_GetSocket(id); socket.connected = false; if(socket.onClose) socket.onClose(); } jsXMLSocket.prototype.checkConnected = function(){ if(!this.connected||!this.movie) throw "jSocket is not connected, use the onConnect event "; } // Generic write jsXMLSocket.prototype.send = function(data) { this.checkConnected(); this.movie.send(data); }