[gnome-shell/gnome-3-6] messageTray: Fix close button position in RTL locales

[Florian MÃllner <fmuellner src gnome org>]

commit a598b06496179722d26ad6eb77eb016672b1c54f
Author: Florian MÃllner <fmuellner gnome org>
Date:   Thu Oct 25 18:51:43 2012 +0200

    messageTray: Fix close button position in RTL locales
    
    https://bugzilla.gnome.org/show_bug.cgi?id=686879

 js/ui/messageTray.js |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index 34ffc89..6d51b45 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -242,7 +242,10 @@ function makeCloseButton() {
 
     closeButton.connect('style-changed', function() {
         let themeNode = closeButton.get_theme_node();
-        closeButton.translation_x = themeNode.get_length('-shell-close-overlap-x');
+
+        // libcroco doesn't support negative units
+        let direction = closeButton.get_text_direction() == Clutter.TextDirection.RTL ? -1 : 1;
+        closeButton.translation_x = direction * themeNode.get_length('-shell-close-overlap-x');
 
         // libcroco doesn't support negative units
         closeButton.translation_y = -themeNode.get_length('-shell-close-overlap-y');