1 files changed, 54 insertions, 0 deletions
diff --git a/lib/dojo/hccss.js.uncompressed.js b/lib/dojo/hccss.js.uncompressed.js
new file mode 100644
index 000000000..feb953968
--- /dev/null
+++ b/lib/dojo/hccss.js.uncompressed.js
@@ -0,0 +1,54 @@
+define("dojo/hccss", [
+	"require",			// require.toUrl
+	"./_base/config", // config.blankGif
+	"./dom-class", // domClass.add
+	"./dom-style", // domStyle.getComputedStyle
+	"./has",
+	"./ready", // ready
+	"./_base/window" // win.body
+], function(require, config, domClass, domStyle, has, ready, win){
+
+	// module:
+	//		dojo/hccss
+
+	/*=====
+	return function(){
+		// summary:
+		//		Test if computer is in high contrast mode (i.e. if browser is not displaying background images).
+		//		Defines `has("highcontrast")` and sets `dj_a11y` CSS class on `<body>` if machine is in high contrast mode.
+		//		Returns `has()` method;
+	};
+	=====*/
+
+	// Has() test for when background images aren't displayed.  Don't call has("highcontrast") before dojo/domReady!.
+	has.add("highcontrast", function(){
+		// note: if multiple documents, doesn't matter which one we use
+		var div = win.doc.createElement("div");
+		div.style.cssText = "border: 1px solid; border-color:red green; position: absolute; height: 5px; top: -999px;" +
+			"background-image: url(" + (config.blankGif || require.toUrl("./resources/blank.gif")) + ");";
+		win.body().appendChild(div);
+
+		var cs = domStyle.getComputedStyle(div),
+			bkImg = cs.backgroundImage,
+			hc = (cs.borderTopColor == cs.borderRightColor) ||
+				(bkImg && (bkImg == "none" || bkImg == "url(invalid-url:)" ));
+
+		if(has("ie") <= 8){
+			div.outerHTML = "";		// prevent mixed-content warning, see http://support.microsoft.com/kb/925014
+		}else{
+			win.body().removeChild(div);
+		}
+
+		return hc;
+	});
+
+	// Priority is 90 to run ahead of parser priority of 100.   For 2.0, remove the ready() call and instead
+	// change this module to depend on dojo/domReady!
+	ready(90, function(){
+		if(has("highcontrast")){
+			domClass.add(win.body(), "dj_a11y");
+		}
+	});
+
+	return has;
+});