138 lines
2.5 KiB
JavaScript
138 lines
2.5 KiB
JavaScript
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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["dojo.hash"]){
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dojo._hasResource["dojo.hash"]=true;
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dojo.provide("dojo.hash");
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(function(){
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dojo.hash=function(_1,_2){
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if(!arguments.length){
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return _3();
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}
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if(_1.charAt(0)=="#"){
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_1=_1.substring(1);
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}
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if(_2){
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_4(_1);
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}else{
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location.href="#"+_1;
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}
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return _1;
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};
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var _5=null,_6=null,_7=dojo.config.hashPollFrequency||100;
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function _8(_9,_a){
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var i=_9.indexOf(_a);
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return (i>=0)?_9.substring(i+1):"";
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};
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function _3(){
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return _8(location.href,"#");
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};
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function _b(){
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dojo.publish("/dojo/hashchange",[_3()]);
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};
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function _c(){
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if(_3()===_5){
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return;
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}
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_5=_3();
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_b();
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};
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function _4(_d){
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if(_6){
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if(_6.isTransitioning()){
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setTimeout(dojo.hitch(null,_4,_d),_7);
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return;
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}
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var _e=_6.iframe.location.href;
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var _f=_e.indexOf("?");
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_6.iframe.location.replace(_e.substring(0,_f)+"?"+_d);
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return;
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}
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location.replace("#"+_d);
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_c();
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};
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function _10(){
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var ifr=document.createElement("iframe"),_11="dojo-hash-iframe",_12=dojo.config.dojoBlankHtmlUrl||dojo.moduleUrl("dojo","resources/blank.html");
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ifr.id=_11;
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ifr.src=_12+"?"+_3();
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ifr.style.display="none";
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document.body.appendChild(ifr);
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this.iframe=dojo.global[_11];
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var _13,_14,_15,_16,_17,_18=this.iframe.location;
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function _19(){
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_5=_3();
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_13=_17?_5:_8(_18.href,"?");
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_14=false;
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_15=null;
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};
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this.isTransitioning=function(){
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return _14;
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};
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this.pollLocation=function(){
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if(!_17){
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try{
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var _1a=_8(_18.href,"?");
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if(document.title!=_16){
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_16=this.iframe.document.title=document.title;
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}
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}
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catch(e){
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_17=true;
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console.error("dojo.hash: Error adding history entry. Server unreachable.");
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}
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}
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var _1b=_3();
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if(_14&&_5===_1b){
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if(_17||_1a===_15){
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_19();
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_b();
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}else{
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setTimeout(dojo.hitch(this,this.pollLocation),0);
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return;
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}
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}else{
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if(_5===_1b&&(_17||_13===_1a)){
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}else{
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if(_5!==_1b){
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_5=_1b;
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_14=true;
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_15=_1b;
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ifr.src=_12+"?"+_15;
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_17=false;
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setTimeout(dojo.hitch(this,this.pollLocation),0);
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return;
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}else{
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if(!_17){
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location.href="#"+_18.search.substring(1);
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_19();
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_b();
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}
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}
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}
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}
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setTimeout(dojo.hitch(this,this.pollLocation),_7);
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};
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_19();
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setTimeout(dojo.hitch(this,this.pollLocation),_7);
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};
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dojo.addOnLoad(function(){
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if("onhashchange" in dojo.global&&(!dojo.isIE||(dojo.isIE>=8&&document.compatMode!="BackCompat"))){
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dojo.connect(dojo.global,"onhashchange",_b);
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}else{
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if(document.addEventListener){
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_5=_3();
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setInterval(_c,_7);
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}else{
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if(document.attachEvent){
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_6=new _10();
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}
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}
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}
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});
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})();
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}
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