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

diff --git a/js/ui/dnd.js b/js/ui/dnd.js
index 46d32fdd3ed315095115266bfbca4c25404e9d48..46440d6ffe4a8d6379707713203ff1897450a6bc 100644 (file)
--- 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;
         }