/*
	Copyright (c) 2004-2008, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.cometd.callbackPollTransport"]){dojo._hasResource["dojox.cometd.callbackPollTransport"]=true;dojo.provide("dojox.cometd.callbackPollTransport");dojo.require("dojox.cometd._base");dojo.require("dojox.cometd.longPollTransport");dojo.require("dojo.io.script");dojox.cometd.callbackPollTransport=new function(){this._connectionType="callback-polling";this._cometd=null;this.check=function(_1,_2,_3){return (dojo.indexOf(_1,"callback-polling")>=0);};this.tunnelInit=function(){var _4={channel:"/meta/connect",clientId:this._cometd.clientId,connectionType:this._connectionType,id:""+this._cometd.messageId++};_4=this._cometd._extendOut(_4);this.openTunnelWith([_4]);};this.tunnelCollapse=dojox.cometd.longPollTransport.tunnelCollapse;this._connect=dojox.cometd.longPollTransport._connect;this.deliver=dojox.cometd.longPollTransport.deliver;this.openTunnelWith=function(_5,_6){this._cometd._polling=true;var _7={load:dojo.hitch(this,function(_8){this._cometd._polling=false;this._cometd.deliver(_8);this._cometd._backon();this.tunnelCollapse();}),error:dojo.hitch(this,function(_9){this._cometd._polling=false;this._cometd._publishMeta("connect",false);this._cometd._backoff();this.tunnelCollapse();}),url:(_6||this._cometd.url),content:{message:dojo.toJson(_5)},callbackParamName:"jsonp"};var _a=this._cometd._connectTimeout();if(_a>0){_7.timeout=_a;}dojo.io.script.get(_7);};this.sendMessages=function(_b){for(var i=0;i<_b.length;i++){_b[i].clientId=this._cometd.clientId;_b[i].id=""+this._cometd.messageId++;_b[i]=this._cometd._extendOut(_b[i]);}var _d={url:this._cometd.url||dojo.config["cometdRoot"],load:dojo.hitch(this._cometd,"deliver"),callbackParamName:"jsonp",content:{message:dojo.toJson(_b)},error:dojo.hitch(this,function(_e){this._cometd._publishMeta("publish",false,{messages:_b});}),timeout:this._cometd.expectedNetworkDelay};return dojo.io.script.get(_d);};this.startup=function(_f){if(this._cometd._connected){return;}this.tunnelInit();};this.disconnect=dojox.cometd.longPollTransport.disconnect;this.disconnect=function(){var _10={channel:"/meta/disconnect",clientId:this._cometd.clientId,id:""+this._cometd.messageId++};_10=this._cometd._extendOut(_10);dojo.io.script.get({url:this._cometd.url||dojo.config["cometdRoot"],callbackParamName:"jsonp",content:{message:dojo.toJson([_10])}});};this.cancelConnect=function(){};};dojox.cometd.connectionTypes.register("callback-polling",dojox.cometd.callbackPollTransport.check,dojox.cometd.callbackPollTransport);}