[gnome-shell] messageTray: Make sure to always grab focus

[Jasper St. Pierre <jstpierre src gnome org>]

commit 7d29e691a4ec3074e8bbb04f0c9bb14f1c03b810
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Feb 29 19:30:43 2012 -0500

    messageTray: Make sure to always grab focus
    
    If a widget isn't focusable or none of its children are focusable, then
    navigate_focus will return false and the key focus won't be set. We
    need to explicitly grab the key focus in this case.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=671001

 js/ui/messageTray.js |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index f9c275d..0999bcc 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -261,7 +261,9 @@ const FocusGrabber = new Lang.Class({
 
         this._hasFocus = true;
 
-        this.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
+        if (!this.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false))
+            this.actor.grab_key_focus();
+
         this.emit('focus-grabbed');
     },