From 57dda2b95e0997165dcc6eba83e5aa101bd10b51 Mon Sep 17 00:00:00 2001
From: Krinkle <krinkle@users.mediawiki.org>
Date: Fri, 24 Feb 2012 23:22:30 +0000
Subject: [mw.loader] Refactor addInlineCSS's logic, fixing various bugs

* Using mw.util.addCSS as base to instance of bug 33305 automatically
* Expose as mw.loader.addStyleTag
* Re-use the code in mw.util.addCSS
* Drop the "text > Cdata > element > jQuery object > innerHTML", in favor of setting cssText or appending a text node (html escapement isn't a problem when working with text nodes directly).
* Appending this way also works in IE, no need for the dispose/re-create style-tag logic in the try-catch().

* Follows-up r110988 (fixme)
---
 resources/mediawiki/mediawiki.util.js | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

(limited to 'resources/mediawiki/mediawiki.util.js')

diff --git a/resources/mediawiki/mediawiki.util.js b/resources/mediawiki/mediawiki.util.js
index 277b19457cfb..6edbe5d1d7b8 100644
--- a/resources/mediawiki/mediawiki.util.js
+++ b/resources/mediawiki/mediawiki.util.js
@@ -149,23 +149,24 @@
 		},
 
 		/**
-		 * Append a new style block to the head
+		 * Append a new style block to the head and return the CSSStyleSheet object.
+		 * Use .ownerNode to access the <style> element, or use mw.loader.addStyleTag.
+		 * This function returns the styleSheet object for convience (due to cross-browsers
+		 * difference as to where it is located).
+		 * @example
+		 * <code>
+		 * var sheet = mw.util.addCSS('.foobar { display: none; }');
+		 * $(foo).click(function () {
+		 *     // Toggle the sheet on and off
+		 *     sheet.disabled = !sheet.disabled;
+		 * });
+		 * </code>
 		 *
 		 * @param text string CSS to be appended
-		 * @return CSSStyleSheet
+		 * @return CSSStyleSheet (use .ownerNode to get to the <style> element)
 		 */
 		addCSS: function ( text ) {
-			var s = document.createElement( 'style' );
-			s.type = 'text/css';
-			s.rel = 'stylesheet';
-			// Insert into document before setting cssText (bug 33305)
-			document.getElementsByTagName('head')[0].appendChild( s );
-			if ( s.styleSheet ) {
-				s.styleSheet.cssText = text; // IE
-			} else {
-				// Safari sometimes borks on null
-				s.appendChild( document.createTextNode( String( text ) ) );
-			}
+			var s = mw.loader.addStyleTag( text );
 			return s.sheet || s;
 		},
 
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