From: Scott González <scott.gonzalez@gmail.com>
Date: Mon, 7 May 2012 14:34:15 +0000 (-0400)
Subject: Effects: Check for anonymous content being exposed via document.activeElement. Fixes... 
X-Git-Tag: 1.8.21~10
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=b676d5956137d8bc35087e3160813a025be436d0;p=jquery-ui.git

Effects: Check for anonymous content being exposed via document.activeElement. Fixes #8288 - Regression: jquery-ui animations focus fix causes Firefox Security Manager veto.
(cherry picked from commit a7e143b4fe395baeda297ea96ef39921ea7f5a5d)

Conflicts:

	ui/jquery.effects.core.js
---

diff --git a/ui/jquery.effects.core.js b/ui/jquery.effects.core.js
index eb848a13f..8ce867bd4 100644
--- a/ui/jquery.effects.core.js
+++ b/ui/jquery.effects.core.js
@@ -370,7 +370,16 @@ $.extend($.effects, {
 				}),
 			active = document.activeElement;
 
-		element.wrap(wrapper);
+		// support: Firefox
+		// Firefox incorrectly exposes anonymous content
+		// https://bugzilla.mozilla.org/show_bug.cgi?id=561664
+		try {
+			active.id;
+		} catch( e ) {
+			active = document.body;
+		}
+
+		element.wrap( wrapper );
 
 		// Fixes #7595 - Elements lose focus when wrapped.
 		if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {