power_status_view.h revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9 
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_SYSTEM_CHROMEOS_POWER_POWER_STATUS_VIEW_H_
6#define ASH_SYSTEM_CHROMEOS_POWER_POWER_STATUS_VIEW_H_
7
8#include "ash/ash_export.h"
9#include "ash/system/chromeos/power/power_status.h"
10#include "ui/views/view.h"
11
12namespace views {
13class ImageView;
14class Label;
15}
16
17namespace ash {
18namespace internal {
19
20class ASH_EXPORT PowerStatusView : public views::View,
21                                   public PowerStatus::Observer {
22 public:
23  enum ViewType {
24    VIEW_DEFAULT,
25    VIEW_NOTIFICATION
26  };
27
28  PowerStatusView(ViewType view_type, bool default_view_right_align);
29  virtual ~PowerStatusView();
30
31  // Overridden from views::View.
32  virtual gfx::Size GetPreferredSize() OVERRIDE;
33  virtual int GetHeightForWidth(int width) OVERRIDE;
34  virtual void Layout() OVERRIDE;
35
36  // Overridden from PowerStatus::Observer.
37  virtual void OnPowerStatusChanged() OVERRIDE;
38
39 private:
40  friend class PowerStatusDefaultViewTest;
41  friend class PowerStatusNotificationViewTest;
42
43  void LayoutDefaultView();
44  void LayoutNotificationView();
45  void UpdateTextForDefaultView();
46  void UpdateTextForNotificationView();
47
48  // Overridden from views::View.
49  virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE;
50
51  // Layout default view UI items on the right side of system tray pop up item
52  // if true; otherwise, layout the UI items on the left side.
53  bool default_view_right_align_;
54
55  // Labels used only for VIEW_NOTIFICATION.
56  views::Label* status_label_;
57  views::Label* time_label_;
58
59  // Labels used only for VIEW_DEFAULT.
60  views::Label* time_status_label_;
61  views::Label* percentage_label_;
62
63  // Battery status indicator icon.
64  views::ImageView* icon_;
65
66  ViewType view_type_;
67
68  DISALLOW_COPY_AND_ASSIGN(PowerStatusView);
69};
70
71}  // namespace internal
72}  // namespace ash
73
74#endif  // ASH_SYSTEM_CHROMEOS_POWER_POWER_STATUS_VIEW_H_
75