Implicit animations through Layer.

ui/aura/window.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_WINDOW_H_
 #define UI_AURA_WINDOW_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 60 matching lines @@
 
   // Changes the visibility of the window.
   void SetVisibility(Visibility visibility);
   Visibility visibility() const { return visibility_; }
 
   // Assigns a LayoutManager to size and place child windows.
   // The Window takes ownership of the LayoutManager.
   void SetLayoutManager(LayoutManager* layout_manager);
 
   // Changes the bounds of the window.
-  void SetBounds(const gfx::Rect& bounds, int anim_ms);
-  const gfx::Rect& bounds() const { return bounds_; }
+  void SetBounds(const gfx::Rect& new_bounds, int anim_ms);

[Ben Goodger (Google), 2011/09/27 22:38:04]

Make a SetBoundsAnimated that takes anim_ms and have SetBounds just take new
bounds.

+  const gfx::Rect& bounds() const;
 
   // Marks the a portion of window as needing to be painted.
   void SchedulePaintInRect(const gfx::Rect& rect);
 
   // Sets the contents of the window.
   void SetCanvas(const SkCanvas& canvas, const gfx::Point& origin);
 
   // Sets the parent window of the window. If NULL, the window is parented to
   // the desktop's window.
   void SetParent(Window* parent);
@@ skipping 68 matching lines @@
 
   // Overridden from ui::LayerDelegate:
   virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE;
 
   WindowDelegate* delegate_;
 
   Visibility visibility_;
 
   scoped_ptr<ui::Layer> layer_;
 
-  // Bounds of the window in the desktop's coordinate system.
-  gfx::Rect bounds_;
-
   // The Window's parent.
   // TODO(beng): Implement NULL-ness for toplevels.
   Window* parent_;
 
   // Child windows. Topmost is last.
   Windows children_;
 
   int id_;
   string16 name_;
 
   scoped_ptr<EventFilter> event_filter_;
   scoped_ptr<LayoutManager> layout_manager_;
 
   void* user_data_;
 
   DISALLOW_COPY_AND_ASSIGN(Window);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_H_