make menus, bubbles, etc. top level windows on aura

ui/views/widget/desktop_aura/desktop_root_window_host_win.h

 // Copyright (c) 2012 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_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_WIN_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_WIN_H_
 
+#include "ui/aura/client/animation_host.h"
 #include "ui/aura/root_window_host.h"
 #include "ui/views/views_export.h"
 #include "ui/views/widget/desktop_aura/desktop_root_window_host.h"
 #include "ui/views/win/hwnd_message_handler_delegate.h"
 
 namespace aura {
 namespace client {
 class FocusClient;
 class ScreenPositionClient;
 }
 }
 
 namespace views {
 class DesktopActivationClient;
 class DesktopCaptureClient;
 class DesktopCursorClient;
 class DesktopDispatcherClient;
 class DesktopDragDropClientWin;
 class HWNDMessageHandler;
 
 namespace corewm {
 class CursorManager;
 }
 
 class VIEWS_EXPORT DesktopRootWindowHostWin
     : public DesktopRootWindowHost,
+      public aura::client::AnimationHost,
       public aura::RootWindowHost,
       public HWNDMessageHandlerDelegate {
  public:
   DesktopRootWindowHostWin(
       internal::NativeWidgetDelegate* native_widget_delegate,
       DesktopNativeWidgetAura* desktop_native_widget_aura,
       const gfx::Rect& initial_bounds);
   virtual ~DesktopRootWindowHostWin();
 
   // A way of converting an HWND into a content window.
   static aura::Window* GetContentWindowForHWND(HWND hwnd);
 
  protected:
   // Overridden from DesktopRootWindowHost:
   virtual aura::RootWindow* Init(aura::Window* content_window,
                                  const Widget::InitParams& params) OVERRIDE;
+  virtual void InitFocus(aura::Window* window) OVERRIDE;
   virtual void Close() OVERRIDE;
   virtual void CloseNow() OVERRIDE;
   virtual aura::RootWindowHost* AsRootWindowHost() OVERRIDE;
   virtual void ShowWindowWithState(ui::WindowShowState show_state) OVERRIDE;
   virtual void ShowMaximizedWithBounds(
       const gfx::Rect& restored_bounds) OVERRIDE;
   virtual bool IsVisible() const OVERRIDE;
   virtual void SetSize(const gfx::Size& size) OVERRIDE;
   virtual void CenterWindow(const gfx::Size& size) OVERRIDE;
   virtual void GetWindowPlacement(
@@ skipping 58 matching lines @@
   virtual bool CopyAreaToSkCanvas(const gfx::Rect& source_bounds,
                                   const gfx::Point& dest_offset,
                                   SkCanvas* canvas) OVERRIDE;
   virtual bool GrabSnapshot(
       const gfx::Rect& snapshot_bounds,
       std::vector<unsigned char>* png_representation) OVERRIDE;
   virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE;
   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
   virtual void PrepareForShutdown() OVERRIDE;
 
+  // Overridden from aura::client::AnimationHost
+  virtual void SetHostTransitionBounds(const gfx::Rect& bounds) OVERRIDE;
+  virtual void OnWindowHidingAnimationCompleted() OVERRIDE;
+
   // Overridden from HWNDMessageHandlerDelegate:
   virtual bool IsWidgetWindow() const OVERRIDE;
   virtual bool IsUsingCustomFrame() const OVERRIDE;
   virtual void SchedulePaint() OVERRIDE;
   virtual void EnableInactiveRendering() OVERRIDE;
   virtual bool IsInactiveRenderingDisabled() OVERRIDE;
   virtual bool CanResize() const OVERRIDE;
   virtual bool CanMaximize() const OVERRIDE;
   virtual bool CanActivate() const OVERRIDE;
   virtual bool WidgetSizeIsClientSize() const OVERRIDE;
@@ skipping 89 matching lines @@
 
   // In some cases, we set a screen position client on |root_window_|. If we
   // do, we're responsible for the lifetime.
   scoped_ptr<aura::client::ScreenPositionClient> position_client_;
 
   // Controls visibility of the cursor.
   scoped_ptr<views::corewm::CursorManager> cursor_client_;
 
   scoped_ptr<DesktopDragDropClientWin> drag_drop_client_;
 
+  // Extra size added to the host window. Typically, the window size matches
+  // the contained content, however, when performing a translating or scaling
+  // animation the window has to be enlarged so that the content is not
+  // clipped.
+  gfx::Rect window_expansion_;
+
+  // Whether the window close should be converted to a hide, and then actually
+  // closed on the completion of the hide animation. This is cached because
+  // the property is set on the contained window which has a shorter lifetime.
+  bool should_animate_window_close_;
+
+  // When Close()d and animations are being applied to this window, the close
+  // of the window needs to be deferred to when the close animation is
+  // completed. This variable indicates that a Close was converted to a Hide,
+  // so that when the Hide is completed the host window should be closed.
+  bool pending_close_;
+
   DISALLOW_COPY_AND_ASSIGN(DesktopRootWindowHostWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_ROOT_WINDOW_HOST_WIN_H_