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root / trunk / web / dojo / dojox / io / proxy / xip.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.io.proxy.xip"]){
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dojo._hasResource["dojox.io.proxy.xip"]=true;
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dojo.provide("dojox.io.proxy.xip");
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dojo.require("dojo.io.iframe");
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dojo.require("dojox.data.dom");
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dojox.io.proxy.xip={xipClientUrl:((dojo.config||djConfig)["xipClientUrl"])||dojo.moduleUrl("dojox.io.proxy","xip_client.html"),urlLimit:4000,_callbackName:(dojox._scopeName||"dojox")+".io.proxy.xip.fragmentReceived",_state:{},_stateIdCounter:0,_isWebKit:navigator.userAgent.indexOf("WebKit")!=-1,send:function(_1){
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var _2=this.xipClientUrl;
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if(_2.split(":")[0].match(/javascript/i)||_1._ifpServerUrl.split(":")[0].match(/javascript/i)){
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return;
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}
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var _3=_2.indexOf(":");
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var _4=_2.indexOf("/");
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if(_3==-1||_4<_3){
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var _5=window.location.href;
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if(_4==0){
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_2=_5.substring(0,_5.indexOf("/",9))+_2;
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}else{
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_2=_5.substring(0,(_5.lastIndexOf("/")+1))+_2;
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}
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}
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this.fullXipClientUrl=_2;
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if(typeof document.postMessage!="undefined"){
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document.addEventListener("message",dojo.hitch(this,this.fragmentReceivedEvent),false);
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}
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this.send=this._realSend;
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return this._realSend(_1);
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},_realSend:function(_6){
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var _7="XhrIframeProxy"+(this._stateIdCounter++);
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_6._stateId=_7;
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var _8=_6._ifpServerUrl+"#0:init:id="+_7+"&client="+encodeURIComponent(this.fullXipClientUrl)+"&callback="+encodeURIComponent(this._callbackName);
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this._state[_7]={facade:_6,stateId:_7,clientFrame:dojo.io.iframe.create(_7,"",_8),isSending:false,serverUrl:_6._ifpServerUrl,requestData:null,responseMessage:"",requestParts:[],idCounter:1,partIndex:0,serverWindow:null};
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return _7;
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},receive:function(_9,_a){
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var _b={};
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var _c=_a.split("&");
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for(var i=0;i<_c.length;i++){
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if(_c[i]){
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var _d=_c[i].split("=");
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_b[decodeURIComponent(_d[0])]=decodeURIComponent(_d[1]);
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}
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}
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var _e=this._state[_9];
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var _f=_e.facade;
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_f._setResponseHeaders(_b.responseHeaders);
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if(_b.status==0||_b.status){
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_f.status=parseInt(_b.status,10);
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}
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if(_b.statusText){
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_f.statusText=_b.statusText;
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}
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if(_b.responseText){
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_f.responseText=_b.responseText;
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var _10=_f.getResponseHeader("Content-Type");
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if(_10){
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var _11=_10.split(";")[0];
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if(_11.indexOf("application/xml")==0||_11.indexOf("text/xml")==0){
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_f.responseXML=dojox.data.dom.createDocument(_b.responseText,_10);
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}
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}
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}
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_f.readyState=4;
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this.destroyState(_9);
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},frameLoaded:function(_12){
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var _13=this._state[_12];
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var _14=_13.facade;
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var _15=[];
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for(var _16 in _14._requestHeaders){
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_15.push(_16+": "+_14._requestHeaders[_16]);
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}
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var _17={uri:_14._uri};
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if(_15.length>0){
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_17.requestHeaders=_15.join("\r\n");
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}
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if(_14._method){
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_17.method=_14._method;
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}
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if(_14._bodyData){
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_17.data=_14._bodyData;
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}
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this.sendRequest(_12,dojo.objectToQuery(_17));
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},destroyState:function(_18){
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var _19=this._state[_18];
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if(_19){
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delete this._state[_18];
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var _1a=_19.clientFrame.parentNode;
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_1a.removeChild(_19.clientFrame);
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_19.clientFrame=null;
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_19=null;
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}
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},createFacade:function(){
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if(arguments&&arguments[0]&&arguments[0].iframeProxyUrl){
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return new dojox.io.proxy.xip.XhrIframeFacade(arguments[0].iframeProxyUrl);
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}else{
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return dojox.io.proxy.xip._xhrObjOld.apply(dojo,arguments);
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}
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},sendRequest:function(_1b,_1c){
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var _1d=this._state[_1b];
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if(!_1d.isSending){
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_1d.isSending=true;
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_1d.requestData=_1c||"";
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_1d.serverWindow=frames[_1d.stateId];
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if(!_1d.serverWindow){
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_1d.serverWindow=document.getElementById(_1d.stateId).contentWindow;
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}
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if(typeof document.postMessage=="undefined"){
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if(_1d.serverWindow.contentWindow){
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_1d.serverWindow=_1d.serverWindow.contentWindow;
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}
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}
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this.sendRequestStart(_1b);
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}
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},sendRequestStart:function(_1e){
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var _1f=this._state[_1e];
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_1f.requestParts=[];
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var _20=_1f.requestData;
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var _21=_1f.serverUrl.length;
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var _22=this.urlLimit-_21;
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var _23=0;
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while((_20.length-_23)+_21>this.urlLimit){
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var _24=_20.substring(_23,_23+_22);
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var _25=_24.lastIndexOf("%");
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if(_25==_24.length-1||_25==_24.length-2){
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_24=_24.substring(0,_25);
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}
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_1f.requestParts.push(_24);
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_23+=_24.length;
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}
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_1f.requestParts.push(_20.substring(_23,_20.length));
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_1f.partIndex=0;
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this.sendRequestPart(_1e);
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},sendRequestPart:function(_26){
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var _27=this._state[_26];
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if(_27.partIndex<_27.requestParts.length){
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var _28=_27.requestParts[_27.partIndex];
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var cmd="part";
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if(_27.partIndex+1==_27.requestParts.length){
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cmd="end";
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}else{
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if(_27.partIndex==0){
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cmd="start";
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}
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}
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this.setServerUrl(_26,cmd,_28);
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_27.partIndex++;
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}
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},setServerUrl:function(_29,cmd,_2a){
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var _2b=this.makeServerUrl(_29,cmd,_2a);
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var _2c=this._state[_29];
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if(this._isWebKit){
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_2c.serverWindow.location=_2b;
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}else{
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_2c.serverWindow.location.replace(_2b);
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}
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},makeServerUrl:function(_2d,cmd,_2e){
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var _2f=this._state[_2d];
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var _30=_2f.serverUrl+"#"+(_2f.idCounter++)+":"+cmd;
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if(_2e){
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_30+=":"+_2e;
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}
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return _30;
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},fragmentReceivedEvent:function(evt){
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if(evt.uri.split("#")[0]==this.fullXipClientUrl){
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this.fragmentReceived(evt.data);
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}
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},fragmentReceived:function(_31){
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var _32=_31.indexOf("#");
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var _33=_31.substring(0,_32);
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var _34=_31.substring(_32+1,_31.length);
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var msg=this.unpackMessage(_34);
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var _35=this._state[_33];
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switch(msg.command){
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case "loaded":
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this.frameLoaded(_33);
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break;
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case "ok":
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this.sendRequestPart(_33);
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break;
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case "start":
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_35.responseMessage=""+msg.message;
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this.setServerUrl(_33,"ok");
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break;
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case "part":
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_35.responseMessage+=msg.message;
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this.setServerUrl(_33,"ok");
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break;
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case "end":
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this.setServerUrl(_33,"ok");
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_35.responseMessage+=msg.message;
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this.receive(_33,_35.responseMessage);
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break;
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}
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},unpackMessage:function(_36){
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var _37=_36.split(":");
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var _38=_37[1];
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_36=_37[2]||"";
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var _39=null;
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if(_38=="init"){
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var _3a=_36.split("&");
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_39={};
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for(var i=0;i<_3a.length;i++){
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var _3b=_3a[i].split("=");
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_39[decodeURIComponent(_3b[0])]=decodeURIComponent(_3b[1]);
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}
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}
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return {command:_38,message:_36,config:_39};
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}};
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dojox.io.proxy.xip._xhrObjOld=dojo._xhrObj;
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dojo._xhrObj=dojox.io.proxy.xip.createFacade;
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dojox.io.proxy.xip.XhrIframeFacade=function(_3c){
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this._requestHeaders={};
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this._allResponseHeaders=null;
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this._responseHeaders={};
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this._method=null;
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this._uri=null;
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this._bodyData=null;
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this.responseText=null;
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this.responseXML=null;
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this.status=null;
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this.statusText=null;
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this.readyState=0;
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this._ifpServerUrl=_3c;
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this._stateId=null;
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};
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dojo.extend(dojox.io.proxy.xip.XhrIframeFacade,{open:function(_3d,uri){
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this._method=_3d;
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this._uri=uri;
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this.readyState=1;
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},setRequestHeader:function(_3e,_3f){
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this._requestHeaders[_3e]=_3f;
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},send:function(_40){
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this._bodyData=_40;
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this._stateId=dojox.io.proxy.xip.send(this);
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this.readyState=2;
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},abort:function(){
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dojox.io.proxy.xip.destroyState(this._stateId);
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},getAllResponseHeaders:function(){
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return this._allResponseHeaders;
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},getResponseHeader:function(_41){
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return this._responseHeaders[_41];
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},_setResponseHeaders:function(_42){
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if(_42){
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this._allResponseHeaders=_42;
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_42=_42.replace(/\r/g,"");
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var _43=_42.split("\n");
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for(var i=0;i<_43.length;i++){
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if(_43[i]){
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var _44=_43[i].split(": ");
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this._responseHeaders[_44[0]]=_44[1];
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}
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}
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}
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}});
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}