[gnome-shell] overview: Handle drag-cancelled signal for items

[Florian Müllner <fmuellner src gnome org>]

commit 6ae914da2f8f22fe1eae8e83958f4b46b93d0157
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Mar 9 16:40:48 2011 +0100

    overview: Handle drag-cancelled signal for items
    
    Allow handling the drag-cancelled signal for non-window items, just
    like the handling for windows instroduced in commit a80e88e33.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=644324

 js/ui/appDisplay.js    |    4 ++++
 js/ui/overview.js      |    4 ++++
 js/ui/searchDisplay.js |    4 ++++
 3 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index ffd49fa..5017446 100644
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -412,6 +412,10 @@ AppWellIcon.prototype = {
                 this._removeMenuTimeout();
                 Main.overview.beginItemDrag(this);
             }));
+        this._draggable.connect('drag-cancelled', Lang.bind(this,
+            function () {
+                Main.overview.cancelledItemDrag(this);
+            }));
         this._draggable.connect('drag-end', Lang.bind(this,
             function () {
                Main.overview.endItemDrag(this);
diff --git a/js/ui/overview.js b/js/ui/overview.js
index 3bb4789..34ebec5 100644
--- a/js/ui/overview.js
+++ b/js/ui/overview.js
@@ -474,6 +474,10 @@ Overview.prototype = {
         this.emit('item-drag-begin');
     },
 
+    cancelledItemDrag: function(source) {
+        this.emit('item-drag-cancelled');
+    },
+
     endItemDrag: function(source) {
         this.emit('item-drag-end');
     },
diff --git a/js/ui/searchDisplay.js b/js/ui/searchDisplay.js
index 0527d8f..81fd89b 100644
--- a/js/ui/searchDisplay.js
+++ b/js/ui/searchDisplay.js
@@ -49,6 +49,10 @@ SearchResult.prototype = {
                           Lang.bind(this, function() {
                               Main.overview.beginItemDrag(this);
                           }));
+        draggable.connect('drag-cancelled',
+                          Lang.bind(this, function() {
+                              Main.overview.cancelledItemDrag(this);
+                          }));
         draggable.connect('drag-end',
                           Lang.bind(this, function() {
                               Main.overview.endItemDrag(this);