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root / trunk / web / dojo / dojox / cometd / callbackPollTransport.js @ 12

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/*
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        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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        Available via Academic Free License >= 2.1 OR the modified BSD license.
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        see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.cometd.callbackPollTransport"]){
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dojo._hasResource["dojox.cometd.callbackPollTransport"]=true;
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dojo.provide("dojox.cometd.callbackPollTransport");
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dojo.require("dojox.cometd._base");
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dojo.require("dojox.cometd.longPollTransport");
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dojo.require("dojo.io.script");
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dojox.cometd.callbackPollTransport=new function(){
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this._connectionType="callback-polling";
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this._cometd=null;
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this.check=function(_1,_2,_3){
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return (dojo.indexOf(_1,"callback-polling")>=0);
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};
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this.tunnelInit=function(){
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var _4={channel:"/meta/connect",clientId:this._cometd.clientId,connectionType:this._connectionType,id:""+this._cometd.messageId++};
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_4=this._cometd._extendOut(_4);
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this.openTunnelWith([_4]);
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};
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this.tunnelCollapse=dojox.cometd.longPollTransport.tunnelCollapse;
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this._connect=dojox.cometd.longPollTransport._connect;
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this.deliver=dojox.cometd.longPollTransport.deliver;
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this.openTunnelWith=function(_5,_6){
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this._cometd._polling=true;
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var _7={load:dojo.hitch(this,function(_8){
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this._cometd._polling=false;
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this._cometd.deliver(_8);
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this._cometd._backon();
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this.tunnelCollapse();
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}),error:dojo.hitch(this,function(_9){
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this._cometd._polling=false;
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this._cometd._publishMeta("connect",false);
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this._cometd._backoff();
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this.tunnelCollapse();
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}),url:(_6||this._cometd.url),content:{message:dojo.toJson(_5)},callbackParamName:"jsonp"};
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var _a=this._cometd._connectTimeout();
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if(_a>0){
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_7.timeout=_a;
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}
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dojo.io.script.get(_7);
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};
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this.sendMessages=function(_b){
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for(var i=0;i<_b.length;i++){
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_b[i].clientId=this._cometd.clientId;
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_b[i].id=""+this._cometd.messageId++;
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_b[i]=this._cometd._extendOut(_b[i]);
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}
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var _c={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(_d){
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this._cometd._publishMeta("publish",false,{messages:_b});
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}),timeout:this._cometd.expectedNetworkDelay};
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return dojo.io.script.get(_c);
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};
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this.startup=function(_e){
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if(this._cometd._connected){
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return;
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}
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this.tunnelInit();
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};
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this.disconnect=dojox.cometd.longPollTransport.disconnect;
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this.disconnect=function(){
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var _f={channel:"/meta/disconnect",clientId:this._cometd.clientId,id:""+this._cometd.messageId++};
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_f=this._cometd._extendOut(_f);
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dojo.io.script.get({url:this._cometd.url||dojo.config["cometdRoot"],callbackParamName:"jsonp",content:{message:dojo.toJson([_f])}});
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};
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this.cancelConnect=function(){
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};
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};
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dojox.cometd.connectionTypes.register("callback-polling",dojox.cometd.callbackPollTransport.check,dojox.cometd.callbackPollTransport);
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}