[gnome-shell] [panel] Hide application menu in overview

[Florian Müllner <fmuellner src gnome org>]

commit a0be7fa455970f37f683990ba4ed1b48de61d3fc
Author: Florian Müllner <fmuellner src gnome org>
Date:   Wed May 12 23:30:14 2010 +0200

    [panel] Hide application menu in overview
    
    The activities overview is not a place where we expect users to
    interact with a specific application, so showing the application
    menu there is misleading.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=618479

 js/ui/panel.js |   37 +++++++++++++++++++++++++++++++++++--
 1 files changed, 35 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/panel.js b/js/ui/panel.js
index 0e52148..58e1d5f 100644
--- a/js/ui/panel.js
+++ b/js/ui/panel.js
@@ -681,11 +681,14 @@ AppMenuButton.prototype = {
         this.menu.addMenuItem(this._quitMenu);
         this._quitMenu.connect('activate', Lang.bind(this, this._onQuit));
 
+        this._visible = !Main.overview.visible;
+        if (!this._visible)
+            this.hide();
         Main.overview.connect('hiding', Lang.bind(this, function () {
-            this.actor.opacity = 255;
+            this.show();
         }));
         Main.overview.connect('showing', Lang.bind(this, function () {
-            this.actor.opacity = 192;
+            this.hide();
         }));
 
         let tracker = Shell.WindowTracker.get_default();
@@ -699,6 +702,36 @@ AppMenuButton.prototype = {
         this._sync();
     },
 
+    show: function() {
+        if (this._visible)
+            return;
+
+        this.actor.show();
+        Tweener.addTween(this.actor,
+                         { opacity: 255,
+                           time: Overview.ANIMATION_TIME,
+                           transition: 'easeOutQuad',
+                           onComplete: function() {
+                               this._visible = true;
+                           },
+                           onCompleteScope: this });
+    },
+
+    hide: function() {
+        if (!this._visible)
+            return;
+
+        Tweener.addTween(this.actor,
+                         { opacity: 0,
+                           time: Overview.ANIMATION_TIME,
+                           transition: 'easeOutQuad',
+                           onComplete: function() {
+                               this.actor.hide();
+                               this._visible = false;
+                           },
+                           onCompleteScope: this });
+    },
+
     _getContentPreferredWidth: function(actor, forHeight, alloc) {
         let [minSize, naturalSize] = this._iconBox.get_preferred_width(forHeight);
         alloc.min_size = minSize;