[gnome-shell/wip/message-tray] messageTray: Add it to the ctrl+alt+tab list when in the overview

[Debarshi Ray <debarshir src gnome org>]

commit c25bc10e12a725ae280995a2ce3380068118aa27
Author: Debarshi Ray <debarshir gnome org>
Date:   Thu Aug 9 02:30:13 2012 +0200

    messageTray: Add it to the ctrl+alt+tab list when in the overview

 js/ui/messageTray.js |   15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)
---
diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index 1232bc1..c255661 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -14,6 +14,7 @@ const Signals = imports.signals;
 const St = imports.gi.St;
 
 const BoxPointer = imports.ui.boxpointer;
+const CtrlAltTab = imports.ui.ctrlAltTab;
 const GnomeSession = imports.misc.gnomeSession;
 const GrabHelper = imports.ui.grabHelper;
 const Lightbox = imports.ui.lightbox;
@@ -1763,9 +1764,13 @@ const MessageTray = new Lang.Class({
                       transition: 'easeOutQuad'
                     });
 
-        // Don't move the windows up and grab if we are in the overview.
-        if (this._overviewVisible)
+        // Don't move the windows up and grab if we are in the overview,
+        // but show the tray in the ctrl+alt+tab list.
+        if (this._overviewVisible) {
+            Main.ctrlAltTabManager.addGroup(this.actor, _("Message Tray"), 'start-here',
+                                            { sortGroup: CtrlAltTab.SortGroup.BOTTOM });
             return;
+        }
 
         this._grabHelper.grab({ actor: this.actor,
                                 modal: true });
@@ -1805,8 +1810,12 @@ const MessageTray = new Lang.Class({
                       transition: 'easeOutQuad'
                     });
 
-        if (!this._desktopClone)
+        // If we are coming back from the overview, there are no windows
+        // to be moved. Just remove the tray from the ctrl+alt+tab list.
+        if (!this._desktopClone) {
+            Main.ctrlAltTabManager.removeGroup(this.actor);
             return;
+        }
 
         let geometry = this._desktopClone.clip;
         Tweener.addTween(this._desktopClone,