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_STATUS_AREA_LAYOUT_MANAGER_H_
6#define ASH_WM_STATUS_AREA_LAYOUT_MANAGER_H_
7
8#include "ash/snap_to_pixel_layout_manager.h"
9#include "base/basictypes.h"
10#include "base/compiler_specific.h"
11#include "ui/aura/layout_manager.h"
12
13namespace ash {
14class ShelfWidget;
15
16// StatusAreaLayoutManager is a layout manager responsible for the status area.
17// In any case when status area needs relayout it redirects this call to
18// ShelfLayoutManager.
19class StatusAreaLayoutManager : public SnapToPixelLayoutManager {
20 public:
21  StatusAreaLayoutManager(aura::Window* container, ShelfWidget* shelf);
22  virtual ~StatusAreaLayoutManager();
23
24  // Overridden from aura::LayoutManager:
25  virtual void OnWindowResized() OVERRIDE;
26  virtual void SetChildBounds(aura::Window* child,
27                              const gfx::Rect& requested_bounds) OVERRIDE;
28
29 private:
30  // Updates layout of the status area. Effectively calls ShelfLayoutManager
31  // to update layout of the shelf.
32  void LayoutStatusArea();
33
34  // True when inside LayoutStatusArea method.
35  // Used to prevent calling itself again from SetChildBounds().
36  bool in_layout_;
37
38  ShelfWidget* shelf_;
39
40  DISALLOW_COPY_AND_ASSIGN(StatusAreaLayoutManager);
41};
42
43}  // namespace ash
44
45#endif  // ASH_WM_STATUS_AREA_LAYOUT_MANAGER_H_
46