root / trunk / web / dojo / dojox / cometd / longPollTransportFormEncoded.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.longPollTransportFormEncoded"]){ |
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| 9 | dojo._hasResource["dojox.cometd.longPollTransportFormEncoded"]=true; |
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| 10 | dojo.provide("dojox.cometd.longPollTransportFormEncoded");
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| 11 | dojo.require("dojox.cometd._base");
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| 12 | dojox.cometd.longPollTransportFormEncoded=new function(){ |
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| 13 | this._connectionType="long-polling"; |
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| 14 | this._cometd=null; |
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| 15 | this.check=function(_1,_2,_3){ |
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| 16 | return ((!_3)&&(dojo.indexOf(_1,"long-polling")>=0)); |
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| 17 | }; |
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| 18 | this.tunnelInit=function(){ |
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| 19 | var _4={channel:"/meta/connect",clientId:this._cometd.clientId,connectionType:this._connectionType,id:""+this._cometd.messageId++}; |
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| 20 | _4=this._cometd._extendOut(_4);
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| 21 | this.openTunnelWith({message:dojo.toJson([_4])}); |
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| 22 | }; |
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| 23 | this.tunnelCollapse=function(){ |
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| 24 | if(!this._cometd._initialized){ |
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| 25 | return;
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| 26 | } |
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| 27 | if(this._cometd._advice&&this._cometd._advice["reconnect"]=="none"){ |
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| 28 | return;
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| 29 | } |
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| 30 | var _5=this._cometd._interval(); |
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| 31 | if(this._cometd._status=="connected"){ |
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| 32 | setTimeout(dojo.hitch(this,"_connect"),_5); |
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| 33 | }else{
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| 34 | setTimeout(dojo.hitch(this._cometd,function(){ |
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| 35 | this.init(this.url,this._props); |
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| 36 | }),_5); |
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| 37 | } |
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| 38 | }; |
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| 39 | this._connect=function(){ |
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| 40 | if(!this._cometd._initialized){ |
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| 41 | return;
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| 42 | } |
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| 43 | if(this._cometd._polling){ |
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| 44 | return;
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| 45 | } |
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| 46 | if((this._cometd._advice)&&(this._cometd._advice["reconnect"]=="handshake")){ |
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| 47 | this._cometd._status="unconnected"; |
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| 48 | this._initialized=false; |
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| 49 | this._cometd.init(this._cometd.url,this._cometd._props); |
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| 50 | }else{
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| 51 | if(this._cometd._status=="connected"){ |
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| 52 | var _6={channel:"/meta/connect",connectionType:this._connectionType,clientId:this._cometd.clientId,id:""+this._cometd.messageId++}; |
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| 53 | if(this._cometd.connectTimeout>=this._cometd.expectedNetworkDelay){ |
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| 54 | _6.advice={timeout:this._cometd.connectTimeout-this._cometd.expectedNetworkDelay};
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| 55 | } |
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| 56 | _6=this._cometd._extendOut(_6);
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| 57 | this.openTunnelWith({message:dojo.toJson([_6])}); |
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| 58 | } |
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| 59 | } |
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| 60 | }; |
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| 61 | this.deliver=function(_7){ |
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| 62 | }; |
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| 63 | this.openTunnelWith=function(_8,_9){ |
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| 64 | this._cometd._polling=true; |
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| 65 | var _a={url:(_9||this._cometd.url),content:_8,handleAs:this._cometd.handleAs,load:dojo.hitch(this,function(_b){ |
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| 66 | this._cometd._polling=false; |
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| 67 | this._cometd.deliver(_b);
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| 68 | this._cometd._backon();
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| 69 | this.tunnelCollapse();
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| 70 | }),error:dojo.hitch(this,function(_c){ |
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| 71 | var _d={failure:true,error:_c,advice:this._cometd._advice}; |
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| 72 | this._cometd._polling=false; |
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| 73 | this._cometd._publishMeta("connect",false,_d); |
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| 74 | this._cometd._backoff();
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| 75 | this.tunnelCollapse();
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| 76 | })}; |
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| 77 | var _e=this._cometd._connectTimeout(); |
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| 78 | if(_e>0){ |
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| 79 | _a.timeout=_e; |
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| 80 | } |
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| 81 | this._poll=dojo.xhrPost(_a);
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| 82 | }; |
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| 83 | this.sendMessages=function(_f){ |
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| 84 | for(var i=0;i<_f.length;i++){ |
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| 85 | _f[i].clientId=this._cometd.clientId;
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| 86 | _f[i].id=""+this._cometd.messageId++; |
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| 87 | _f[i]=this._cometd._extendOut(_f[i]);
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| 88 | } |
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| 89 | return dojo.xhrPost({url:this._cometd.url||dojo.config["cometdRoot"],handleAs:this._cometd.handleAs,load:dojo.hitch(this._cometd,"deliver"),content:{message:dojo.toJson(_f)},error:dojo.hitch(this,function(err){ |
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| 90 | this._cometd._publishMeta("publish",false,{messages:_f}); |
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| 91 | }),timeout:this._cometd.expectedNetworkDelay}); |
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| 92 | }; |
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| 93 | this.startup=function(_10){ |
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| 94 | if(this._cometd._status=="connected"){ |
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| 95 | return;
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| 96 | } |
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| 97 | this.tunnelInit();
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| 98 | }; |
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| 99 | this.disconnect=function(){ |
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| 100 | var _11={channel:"/meta/disconnect",clientId:this._cometd.clientId,id:""+this._cometd.messageId++}; |
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| 101 | _11=this._cometd._extendOut(_11);
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| 102 | dojo.xhrPost({url:this._cometd.url||dojo.config["cometdRoot"],handleAs:this._cometd.handleAs,content:{message:dojo.toJson([_11])}});
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| 103 | }; |
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| 104 | this.cancelConnect=function(){ |
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| 105 | if(this._poll){ |
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| 106 | this._poll.cancel();
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| 107 | this._cometd._polling=false; |
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| 108 | this._cometd._publishMeta("connect",false,{cancel:true}); |
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| 109 | this._cometd._backoff();
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| 110 | this.disconnect();
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| 111 | this.tunnelCollapse();
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| 112 | } |
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| 113 | }; |
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| 114 | }; |
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| 115 | dojox.cometd.longPollTransport=dojox.cometd.longPollTransportFormEncoded; |
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| 116 | dojox.cometd.connectionTypes.register("long-polling",dojox.cometd.longPollTransport.check,dojox.cometd.longPollTransportFormEncoded);
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| 117 | dojox.cometd.connectionTypes.register("long-polling-form-encoded",dojox.cometd.longPollTransport.check,dojox.cometd.longPollTransportFormEncoded);
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| 118 | } |