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