[gnome-shell/wip/message-tray] messageTray: Move the windows up/down when the tray is toggled

[Debarshi Ray <debarshir src gnome org>]

commit ade3558ab097e9e483d159e3b8af528e72794245
Author: Debarshi Ray <debarshir gnome org>
Date:   Sat Jul 14 13:10:40 2012 +0200

    messageTray: Move the windows up/down when the tray is toggled
    
    Only the windows on the primary monitor are moved because the
    secondary does not have a message tray.
    
    Fixes: https://bugzilla.gnome.org/677215

 js/ui/messageTray.js |   35 ++++++++++++++++++++++++++++++-----
 1 files changed, 30 insertions(+), 5 deletions(-)
---
diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index 1f36b4a..73bdaec 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -1549,6 +1549,7 @@ const MessageTray = new Lang.Class({
         this._notificationRemoved = false;
         this._reNotifyAfterHideNotification = null;
         this._inFullscreen = false;
+        this._windowsShifted = 0;
 
         this._corner = new Clutter.Rectangle({ width: 1,
                                                height: 1,
@@ -2257,6 +2258,9 @@ const MessageTray = new Lang.Class({
                       transition: 'easeOutQuad'
                     });
 
+        if (this._overviewVisible)
+            return;
+
         Main.layoutManager.togglePanelStruts();
 
         let actors = global.get_window_actors();
@@ -2264,8 +2268,17 @@ const MessageTray = new Lang.Class({
             let window = actors[i].metaWindow;
             if (!window.is_on_primary_monitor())
                 continue;
-            let rect = window.get_outer_rect();
-            window.move_frame(true, rect.x, rect.y - this.actor.height);
+
+            Tweener.addTween(actors[i],
+                             { y: actors[i].y - this.actor.height,
+                               time: ANIMATION_TIME,
+                               transition: 'easeOutQuad',
+                               onComplete: Lang.bind(this, function() {
+                                   let rect = window.get_outer_rect();
+                                   window.move_frame(true, rect.x, rect.y - this.actor.height);
+                               })
+                             });
+            this._windowsShifted++;
         }
     },
 
@@ -2276,15 +2289,27 @@ const MessageTray = new Lang.Class({
                       transition: 'easeOutQuad'
                     });
 
-        Main.layoutManager.togglePanelStruts();
+        if (this._windowsShifted == 0)
+            return;
 
         let actors = global.get_window_actors();
         for (let i = 0; i < actors.length; i++) {
             let window = actors[i].metaWindow;
             if (!window.is_on_primary_monitor())
                 continue;
-            let rect = window.get_outer_rect();
-            window.move_frame(true, rect.x, rect.y + this.actor.height);
+
+            Tweener.addTween(actors[i],
+                             { y: actors[i].y + this.actor.height,
+                               time: ANIMATION_TIME,
+                               transition: 'easeOutQuad',
+                               onComplete: Lang.bind(this, function() {
+                                   let rect = window.get_outer_rect();
+                                   window.move_frame(true, rect.x, rect.y + this.actor.height);
+                                   this._windowsShifted--;
+                                   if (this._windowsShifted == 0)
+                                       Main.layoutManager.togglePanelStruts();
+                               })
+                             });
         }
     },