iconGrid: Cancel animations on unmap

We now cancel animations on override, however we also want to cancel
animations altogether on unmap (that is, when hiding the overview)
to avoid icons swarming into the void.

https://bugzilla.gnome.org/show_bug.cgi?id=736148

diff --git a/js/ui/iconGrid.js b/js/ui/iconGrid.js
index bd3c453c64b35ac68bbf133fa68a40d2e752168d..deb91e9a570c330233258b1569ad75717d02f222 100644 (file)
--- a/js/ui/iconGrid.js
+++ b/js/ui/iconGrid.js
@@ -276,6 +276,13 @@ var IconGrid = new Lang.Class({
         this.actor.add(this._grid, { expand: true, y_align: St.Align.START });
         this.actor.connect('style-changed', Lang.bind(this, this._onStyleChanged));
 
+        // Cancel animations when hiding the overview, to avoid icons
+        // swarming into the void ...
+        this.actor.connect('notify::mapped', () => {
+            if (!this.actor.mapped)
+                this._cancelAnimation();
+        });
+
         this._grid.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
         this._grid.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
         this._grid.connect('allocate', Lang.bind(this, this._allocate));