1 files changed, 52 insertions, 0 deletions
diff --git a/lib/dijit/hccss.js.uncompressed.js b/lib/dijit/hccss.js.uncompressed.js
new file mode 100644
index 000000000..80ea79231
--- /dev/null
+++ b/lib/dijit/hccss.js.uncompressed.js
@@ -0,0 +1,52 @@
+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);
+				}
+			}
+		});
+	}
+});