From e8479a070d389a3b9bd4aaa1ab6fc5bf4bc640fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niklas=20Laxstr=C3=B6m?= <niklas.laxstrom@gmail.com>
Date: Thu, 1 Aug 2013 15:33:12 +0000
Subject: [PATCH] Log ui-lang-revert

Change-Id: Ic48dbd7a9d4d43812f437e3c9f17d1ee208166e8
---
 resources/js/ext.uls.interface.js | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/resources/js/ext.uls.interface.js b/resources/js/ext.uls.interface.js
index 0a1cb286..1ac9bb1b 100644
--- a/resources/js/ext.uls.interface.js
+++ b/resources/js/ext.uls.interface.js
@@ -239,9 +239,16 @@
 					hideTipsy();
 				}, timeout );
 			} );
-			// Event handler for links in the tooltip
-			$( 'a.uls-prevlang-link' ).on( 'click', function () {
-				mw.uls.changeLanguage( $( this ).attr( 'lang' ) );
+
+			// Event handler for links in the tooltip.
+			// It looks like the tipsy is always created from scratch so that
+			// there wont be multiple event handlers bound to same click.
+			$( 'a.uls-prevlang-link' ).on( 'click.ulstipsy', function ( event ) {
+				event.preventDefault();
+				mw.uls.logEvent( { action: 'ui-lang-revert' }, 500 )
+					.always( function () {
+						mw.uls.changeLanguage( event.target.lang );
+					} );
 			} );
 			tipsyTimer = window.setTimeout( function () {
 				hideTipsy();