[gnome-shell] dnd: If needed, destroy _dragActor in _cancelDrag

[Owen Taylor <otaylor src gnome org>]

commit d38f41a459e3ce8bc11aeeca1efae443df49f73b
Author: Maxim Ermilov <zaspire rambler ru>
Date:   Mon Jan 31 02:04:56 2011 +0300

    dnd: If needed, destroy _dragActor in _cancelDrag
    
    In the case where the original actor is destroyed, we don't
    show a snap back animation, so we need to destroy drag actor
    as we would do in _onAnimationComplete.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=640781

 js/ui/dnd.js |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/dnd.js b/js/ui/dnd.js
index 46d32fd..46440d6 100644
--- a/js/ui/dnd.js
+++ b/js/ui/dnd.js
@@ -507,6 +507,9 @@ _Draggable.prototype = {
             if (!this._buttonDown)
                 this._dragComplete();
             this.emit('drag-end', eventTime, false);
+            if (!this._dragOrigParent)
+                this._dragActor.destroy();
+
             return;
         }