| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152 |
- define("dijit/hccss", [
- "require", // require.toUrl
- "dojo/_base/config", // config.blankGif
- "dojo/dom-class", // domClass.add domConstruct.create domStyle.getComputedStyle
- "dojo/dom-construct", // domClass.add domConstruct.create domStyle.getComputedStyle
- "dojo/dom-style", // domClass.add domConstruct.create domStyle.getComputedStyle
- "dojo/ready", // ready
- "dojo/_base/sniff", // has("ie") has("mozilla")
- "dojo/_base/window" // win.body
- ], function(require, config, domClass, domConstruct, domStyle, ready, has, win){
- // module:
- // dijit/hccss
- // summary:
- // Test if computer is in high contrast mode, and sets dijit_a11y flag on <body> if it is.
- if(has("ie") || has("mozilla")){ // NOTE: checking in Safari messes things up
- // priority is 90 to run ahead of parser priority of 100
- ready(90, function(){
- // summary:
- // Detects if we are in high-contrast mode or not
- // create div for testing if high contrast mode is on or images are turned off
- var div = domConstruct.create("div",{
- id: "a11yTestNode",
- style:{
- cssText:'border: 1px solid;'
- + 'border-color:red green;'
- + 'position: absolute;'
- + 'height: 5px;'
- + 'top: -999px;'
- + 'background-image: url("' + (config.blankGif || require.toUrl("dojo/resources/blank.gif")) + '");'
- }
- }, win.body());
- // test it
- var cs = domStyle.getComputedStyle(div);
- if(cs){
- var bkImg = cs.backgroundImage;
- var needsA11y = (cs.borderTopColor == cs.borderRightColor) || (bkImg != null && (bkImg == "none" || bkImg == "url(invalid-url:)" ));
- if(needsA11y){
- domClass.add(win.body(), "dijit_a11y");
- }
- if(has("ie")){
- div.outerHTML = ""; // prevent mixed-content warning, see http://support.microsoft.com/kb/925014
- }else{
- win.body().removeChild(div);
- }
- }
- });
- }
- });
|
