| dojo.provide("dojo.a11y"); |
| dojo.require("dojo.uri.*"); |
| dojo.require("dojo.html.common"); |
| dojo.a11y={imgPath:dojo.uri.moduleUri("dojo.widget","templates/images"),doAccessibleCheck:true,accessible:null,checkAccessible:function(){ |
| if(this.accessible===null){ |
| this.accessible=false; |
| if(this.doAccessibleCheck==true){ |
| this.accessible=this.testAccessible(); |
| } |
| } |
| return this.accessible; |
| },testAccessible:function(){ |
| this.accessible=false; |
| if(dojo.render.html.ie||dojo.render.html.mozilla){ |
| var _1=document.createElement("div"); |
| _1.style.backgroundImage="url(\""+this.imgPath+"/tab_close.gif\")"; |
| dojo.body().appendChild(_1); |
| var _2=null; |
| if(window.getComputedStyle){ |
| var _3=getComputedStyle(_1,""); |
| _2=_3.getPropertyValue("background-image"); |
| }else{ |
| _2=_1.currentStyle.backgroundImage; |
| } |
| var _4=false; |
| if(_2!=null&&(_2=="none"||_2=="url(invalid-url:)")){ |
| this.accessible=true; |
| } |
| dojo.body().removeChild(_1); |
| } |
| return this.accessible; |
| },setCheckAccessible:function(_5){ |
| this.doAccessibleCheck=_5; |
| },setAccessibleMode:function(){ |
| if(this.accessible===null){ |
| if(this.checkAccessible()){ |
| dojo.render.html.prefixes.unshift("a11y"); |
| } |
| } |
| return this.accessible; |
| }}; |
