Changes launcher animations to fade before moving.

ui/aura_shell/launcher/launcher_view.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_AURA_SHELL_LAUNCHER_VIEW_H_
 #define UI_AURA_SHELL_LAUNCHER_VIEW_H_
 #pragma once
 
 #include "ui/aura_shell/launcher/launcher_button_host.h"
 #include "ui/aura_shell/launcher/launcher_model_observer.h"
@@ skipping 17 matching lines @@
                      public LauncherModelObserver,
                      public views::ButtonListener,
                      public LauncherButtonHost {
  public:
   explicit LauncherView(LauncherModel* model);
   virtual ~LauncherView();
 
   void Init();
 
  private:
+  class FadeOutAnimationDelegate;
+  class StartFadeAnimationDelegate;
+
   struct IdealBounds {
     gfx::Rect new_browser_bounds;
     gfx::Rect show_apps_bounds;
   };
 
   // Sets the bounds of each view to its ideal bounds.
   void LayoutToIdealBounds();
 
   // Calculates the ideal bounds. The bounds of each button corresponding to an
   // item in the model is set in |view_model_|, the bounds of the
   // |new_browser_button_| and |show_apps_button_| is set in |bounds|.
   void CalculateIdealBounds(IdealBounds* bounds);
 
   // Animates the bounds of each view to its ideal bounds.
   void AnimateToIdealBounds();
 
   // Creates the view used to represent |item|.
   views::View* CreateViewForItem(const LauncherItem& item);
 
-  // Resizes the widget to fit the view.
-  void Resize();
+  // Fades |view| from an opacity of 0 to 1. This is when adding a new item.
+  void FadeIn(views::View* view);
 
   // Invoked when the mouse has moved enough to trigger a drag. Sets internal
   // state in preparation for the drag.
   void PrepareForDrag(const views::MouseEvent& event);
 
   // Invoked when the mouse is dragged. Updates the models as appropriate.
   void ContinueDrag(const views::MouseEvent& event);
 
   // If there is a drag operation in progress it's canceled.
   void CancelDrag(views::View* deleted_view);
@@ skipping 46 matching lines @@
   // Index |drag_view_| was initially at.
   int start_drag_index_;
 
   DISALLOW_COPY_AND_ASSIGN(LauncherView);
 };
 
 }  // namespace internal
 }  // namespace aura_shell
 
 #endif  // UI_AURA_SHELL_LAUNCHER_VIEW_H_