From 6fb3ffad36e9ac318a186d471d60459d6b16094c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Scott=20Gonz=C3=A1lez?= <scott.gonzalez@gmail.com>
Date: Sat, 15 Nov 2008 04:29:08 +0000
Subject: [PATCH] Core: Fixed #3562: Modify .removeAttr() to work on ARIA
 properties in FF2.

---
 tests/core.js | 21 ++++++++++++++++-----
 ui/ui.core.js | 12 ++++++++++--
 2 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/tests/core.js b/tests/core.js
index 6c701de41..0836fb588 100644
--- a/tests/core.js
+++ b/tests/core.js
@@ -56,12 +56,23 @@ test("tabbable - tabindex", function() {
 module('jQuery extensions');
 
 test("attr - aria", function() {
-	expect(4);
+	expect(6);
 	
-	ok(!$('#aria').attr('role'), 'role is empty via attr');
-	equals($('#aria').attr('role', 'tablist').attr('role'), 'tablist', 'role is tablist');
-	equals($('#aria').attr('aria-expanded', true).attr('aria-expanded'), 'true', 'aria expanded is true');
-	equals($('#aria').attr('aria-expanded', false).attr('aria-expanded'), 'false', 'aria expanded is false');
+	var el = $('#aria');
+	
+	ok(!el.attr('role'), 'role is empty via attr');
+	equals(el.attr('role', 'tablist').attr('role'), 'tablist', 'role is tablist');
+	
+	equals(el.attr('aria-expanded'), undefined, 'aria expanded is undefined');
+	
+	el.attr('aria-expanded', true);
+	equals(el.attr('aria-expanded'), 'true', 'aria expanded is true');
+	
+	el.removeAttr('aria-expanded');
+	equals(el.attr('aria-expanded'), undefined, 'aria expanded is undefined after removing');
+	
+	el.attr('aria-expanded', false);
+	equals(el.attr('aria-expanded'), 'false', 'aria expanded is false');
 });
 
 })(jQuery);
diff --git a/ui/ui.core.js b/ui/ui.core.js
index 3b6beb329..7601588b3 100644
--- a/ui/ui.core.js
+++ b/ui/ui.core.js
@@ -135,9 +135,10 @@ $.ui = {
 };
 
 // WAI-ARIA normalization
-// tweak $.attr for FF2 implementation
 if (isFF2) {
 	var attr = $.attr,
+		removeAttr = $.fn.removeAttr,
+		ariaNS = "http://www.w3.org/2005/07/aaa",
 		ariaState = /^aria-/,
 		ariaRole = /^wairole:/;
 	
@@ -150,11 +151,18 @@ if (isFF2) {
 				: (attr.apply(this, arguments) || "").replace(ariaRole, ""))
 			: (ariaState.test(name)
 				? (set
-					? elem.setAttributeNS("http://www.w3.org/2005/07/aaa",
+					? elem.setAttributeNS(ariaNS,
 						name.replace(ariaState, "aaa:"), value)
 					: attr.call(this, elem, name.replace(ariaState, "aaa:")))
 				: attr.apply(this, arguments)));
 	};
+	
+	$.fn.removeAttr = function(name) {
+		return (ariaState.test(name)
+			? this.each(function() {
+				this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));
+			}) : removeAttr.call(this, name));
+	};
 }
 
 //jQuery plugins