root / trunk / web / dojo / dojox / cometd / callbackPollTransport.js @ 12
History | View | Annotate | Download (2.7 KB)
| 1 |
/*
|
|---|---|
| 2 |
Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
|
| 3 |
Available via Academic Free License >= 2.1 OR the modified BSD license.
|
| 4 |
see: http://dojotoolkit.org/license for details
|
| 5 |
*/
|
| 6 |
|
| 7 |
|
| 8 |
if(!dojo._hasResource["dojox.cometd.callbackPollTransport"]){ |
| 9 |
dojo._hasResource["dojox.cometd.callbackPollTransport"]=true; |
| 10 |
dojo.provide("dojox.cometd.callbackPollTransport");
|
| 11 |
dojo.require("dojox.cometd._base");
|
| 12 |
dojo.require("dojox.cometd.longPollTransport");
|
| 13 |
dojo.require("dojo.io.script");
|
| 14 |
dojox.cometd.callbackPollTransport=new function(){ |
| 15 |
this._connectionType="callback-polling"; |
| 16 |
this._cometd=null; |
| 17 |
this.check=function(_1,_2,_3){ |
| 18 |
return (dojo.indexOf(_1,"callback-polling")>=0); |
| 19 |
}; |
| 20 |
this.tunnelInit=function(){ |
| 21 |
var _4={channel:"/meta/connect",clientId:this._cometd.clientId,connectionType:this._connectionType,id:""+this._cometd.messageId++}; |
| 22 |
_4=this._cometd._extendOut(_4);
|
| 23 |
this.openTunnelWith([_4]);
|
| 24 |
}; |
| 25 |
this.tunnelCollapse=dojox.cometd.longPollTransport.tunnelCollapse;
|
| 26 |
this._connect=dojox.cometd.longPollTransport._connect;
|
| 27 |
this.deliver=dojox.cometd.longPollTransport.deliver;
|
| 28 |
this.openTunnelWith=function(_5,_6){ |
| 29 |
this._cometd._polling=true; |
| 30 |
var _7={load:dojo.hitch(this,function(_8){ |
| 31 |
this._cometd._polling=false; |
| 32 |
this._cometd.deliver(_8);
|
| 33 |
this._cometd._backon();
|
| 34 |
this.tunnelCollapse();
|
| 35 |
}),error:dojo.hitch(this,function(_9){ |
| 36 |
this._cometd._polling=false; |
| 37 |
this._cometd._publishMeta("connect",false); |
| 38 |
this._cometd._backoff();
|
| 39 |
this.tunnelCollapse();
|
| 40 |
}),url:(_6||this._cometd.url),content:{message:dojo.toJson(_5)},callbackParamName:"jsonp"}; |
| 41 |
var _a=this._cometd._connectTimeout(); |
| 42 |
if(_a>0){ |
| 43 |
_7.timeout=_a; |
| 44 |
} |
| 45 |
dojo.io.script.get(_7); |
| 46 |
}; |
| 47 |
this.sendMessages=function(_b){ |
| 48 |
for(var i=0;i<_b.length;i++){ |
| 49 |
_b[i].clientId=this._cometd.clientId;
|
| 50 |
_b[i].id=""+this._cometd.messageId++; |
| 51 |
_b[i]=this._cometd._extendOut(_b[i]);
|
| 52 |
} |
| 53 |
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){ |
| 54 |
this._cometd._publishMeta("publish",false,{messages:_b}); |
| 55 |
}),timeout:this._cometd.expectedNetworkDelay}; |
| 56 |
return dojo.io.script.get(_c);
|
| 57 |
}; |
| 58 |
this.startup=function(_e){ |
| 59 |
if(this._cometd._connected){ |
| 60 |
return;
|
| 61 |
} |
| 62 |
this.tunnelInit();
|
| 63 |
}; |
| 64 |
this.disconnect=dojox.cometd.longPollTransport.disconnect;
|
| 65 |
this.disconnect=function(){ |
| 66 |
var _f={channel:"/meta/disconnect",clientId:this._cometd.clientId,id:""+this._cometd.messageId++}; |
| 67 |
_f=this._cometd._extendOut(_f);
|
| 68 |
dojo.io.script.get({url:this._cometd.url||dojo.config["cometdRoot"],callbackParamName:"jsonp",content:{message:dojo.toJson([_f])}});
|
| 69 |
}; |
| 70 |
this.cancelConnect=function(){ |
| 71 |
}; |
| 72 |
}; |
| 73 |
dojox.cometd.connectionTypes.register("callback-polling",dojox.cometd.callbackPollTransport.check,dojox.cometd.callbackPollTransport);
|
| 74 |
} |