ash/wm/root_window_layout_manager.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ASH_WM_ROOT_WINDOW_LAYOUT_MANAGER_H_
   6 #define ASH_WM_ROOT_WINDOW_LAYOUT_MANAGER_H_
   7
   8 #include "ash/shell_window_ids.h"
   9 #include "base/basictypes.h"
  10 #include "base/compiler_specific.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "ui/aura/layout_manager.h"
  13
  14 namespace aura {
  15 class Window;
  16 }
  17 namespace gfx {
  18 class Rect;
  19 }
  20 namespace ui {
  21 class Layer;
  22 }
  23 namespace views {
  24 class Widget;
  25 }
  26
  27 namespace ash {
  28 namespace internal {
  29
  30 // A layout manager for the root window.
  31 // Resizes all of its immediate children to fill the bounds of the root window.
  32 class RootWindowLayoutManager : public aura::LayoutManager {
  33  public:
  34   explicit RootWindowLayoutManager(aura::Window* owner);
  35   virtual ~RootWindowLayoutManager();
  36
  37   // Overridden from aura::LayoutManager:
  38   virtual void OnWindowResized() OVERRIDE;
  39   virtual void OnWindowAddedToLayout(aura::Window* child) OVERRIDE;
  40   virtual void OnWillRemoveWindowFromLayout(aura::Window* child) OVERRIDE;
  41   virtual void OnWindowRemovedFromLayout(aura::Window* child) OVERRIDE;
  42   virtual void OnChildWindowVisibilityChanged(aura::Window* child,
  43                                               bool visible) OVERRIDE;
  44   virtual void SetChildBounds(aura::Window* child,
  45                               const gfx::Rect& requested_bounds) OVERRIDE;
  46
  47  private:
  48   aura::Window* owner_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(RootWindowLayoutManager);
  51 };
  52
  53 }  // namespace internal
  54 }  // namespace ash
  55
  56 #endif  // ASH_WM_ROOT_WINDOW_LAYOUT_MANAGER_H_