lib/dojo/hash.js

   1 /*
   2         Copyright (c) 2004-2012, 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 //>>built
   8 define("dojo/hash",["./_base/kernel","require","./_base/config","./_base/connect","./_base/lang","./ready","./sniff"],function(_1,_2,_3,_4,_5,_6,_7){_1.hash=function(_8,_9){if(!arguments.length){return _a();}if(_8.charAt(0)=="#"){_8=_8.substring(1);}if(_9){_b(_8);}else{location.href="#"+_8;}return _8;};var _c,_d,_e,_f=_3.hashPollFrequency||100;function _10(str,_11){var i=str.indexOf(_11);return (i>=0)?str.substring(i+1):"";};function _a(){return _10(location.href,"#");};function _12(){_4.publish("/dojo/hashchange",[_a()]);};function _13(){if(_a()===_c){return;}_c=_a();_12();};function _b(_14){if(_d){if(_d.isTransitioning()){setTimeout(_5.hitch(null,_b,_14),_f);return;}var _15=_d.iframe.location.href;var _16=_15.indexOf("?");_d.iframe.location.replace(_15.substring(0,_16)+"?"+_14);return;}location.replace("#"+_14);!_e&&_13();};function _17(){var ifr=document.createElement("iframe"),_18="dojo-hash-iframe",_19=_3.dojoBlankHtmlUrl||_2.toUrl("./resources/blank.html");if(_3.useXDomain&&!_3.dojoBlankHtmlUrl){console.warn("dojo.hash: When using cross-domain Dojo builds,"+" please save dojo/resources/blank.html to your domain and set djConfig.dojoBlankHtmlUrl"+" to the path on your domain to blank.html");}ifr.id=_18;ifr.src=_19+"?"+_a();ifr.style.display="none";document.body.appendChild(ifr);this.iframe=_1.global[_18];var _1a,_1b,_1c,_1d,_1e,_1f=this.iframe.location;function _20(){_c=_a();_1a=_1e?_c:_10(_1f.href,"?");_1b=false;_1c=null;};this.isTransitioning=function(){return _1b;};this.pollLocation=function(){if(!_1e){try{var _21=_10(_1f.href,"?");if(document.title!=_1d){_1d=this.iframe.document.title=document.title;}}catch(e){_1e=true;console.error("dojo.hash: Error adding history entry. Server unreachable.");}}var _22=_a();if(_1b&&_c===_22){if(_1e||_21===_1c){_20();_12();}else{setTimeout(_5.hitch(this,this.pollLocation),0);return;}}else{if(_c===_22&&(_1e||_1a===_21)){}else{if(_c!==_22){_c=_22;_1b=true;_1c=_22;ifr.src=_19+"?"+_1c;_1e=false;setTimeout(_5.hitch(this,this.pollLocation),0);return;}else{if(!_1e){location.href="#"+_1f.search.substring(1);_20();_12();}}}}setTimeout(_5.hitch(this,this.pollLocation),_f);};_20();setTimeout(_5.hitch(this,this.pollLocation),_f);};_6(function(){if("onhashchange" in _1.global&&(!_7("ie")||(_7("ie")>=8&&document.compatMode!="BackCompat"))){_e=_4.connect(_1.global,"onhashchange",_12);}else{if(document.addEventListener){_c=_a();setInterval(_13,_f);}else{if(document.attachEvent){_d=new _17();}}}});return _1.hash;});