1// Copyright (c) 2011 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 CHROME_BROWSER_CHROMEOS_STATUS_POWER_MENU_BUTTON_H_
6#define CHROME_BROWSER_CHROMEOS_STATUS_POWER_MENU_BUTTON_H_
7#pragma once
8
9#include "chrome/browser/chromeos/cros/power_library.h"
10#include "chrome/browser/chromeos/status/status_area_button.h"
11#include "ui/base/models/menu_model.h"
12#include "views/controls/menu/menu_2.h"
13#include "views/controls/menu/view_menu_delegate.h"
14
15namespace base {
16class TimeDelta;
17}
18
19class SkBitmap;
20
21namespace chromeos {
22
23// The power menu button in the status area.
24// This class will handle getting the power status and populating the menu.
25class PowerMenuButton : public StatusAreaButton,
26                        public views::ViewMenuDelegate,
27                        public ui::MenuModel,
28                        public PowerLibrary::Observer {
29 public:
30  PowerMenuButton(StatusAreaHost* host);
31  virtual ~PowerMenuButton();
32
33  // ui::MenuModel implementation.
34  virtual bool HasIcons() const  { return false; }
35  virtual int GetItemCount() const;
36  virtual ui::MenuModel::ItemType GetTypeAt(int index) const;
37  virtual int GetCommandIdAt(int index) const { return index; }
38  virtual string16 GetLabelAt(int index) const;
39  virtual bool IsItemDynamicAt(int index) const { return true; }
40  virtual bool GetAcceleratorAt(int index,
41      ui::Accelerator* accelerator) const { return false; }
42  virtual bool IsItemCheckedAt(int index) const { return false; }
43  virtual int GetGroupIdAt(int index) const { return 0; }
44  virtual bool GetIconAt(int index, SkBitmap* icon) { return false; }
45  virtual ui::ButtonMenuItemModel* GetButtonMenuItemAt(int index) const {
46    return NULL;
47  }
48  virtual bool IsEnabledAt(int index) const { return false; }
49  virtual ui::MenuModel* GetSubmenuModelAt(int index) const { return NULL; }
50  virtual void HighlightChangedTo(int index) {}
51  virtual void ActivatedAt(int index) {}
52  virtual void MenuWillShow() {}
53  virtual void SetMenuModelDelegate(ui::MenuModelDelegate* delegate) {}
54
55  // PowerLibrary::Observer implementation.
56  virtual void PowerChanged(PowerLibrary* obj);
57  virtual void SystemResumed() {}
58
59  int icon_id() const { return icon_id_; }
60
61 protected:
62  virtual int icon_width() { return 26; }
63
64 private:
65  // views::View
66  virtual void OnLocaleChanged() OVERRIDE;
67
68  // views::ViewMenuDelegate implementation.
69  virtual void RunMenu(views::View* source, const gfx::Point& pt);
70
71  // Update the power icon and menu label info depending on the power status.
72  void UpdateIconAndLabelInfo();
73
74  // The number of power images.
75  static const int kNumPowerImages;
76
77  // Stored data gathered from CrosLibrary::PowerLibrary.
78  bool battery_is_present_;
79  bool line_power_on_;
80  bool battery_fully_charged_;
81  double battery_percentage_;
82  base::TimeDelta battery_time_to_full_;
83  base::TimeDelta battery_time_to_empty_;
84
85  // The currently showing icon bitmap id.
86  int icon_id_;
87
88  // The power menu. This needs to be initialized last since it calls into
89  // GetLabelAt() during construction.
90  views::Menu2 power_menu_;
91
92  DISALLOW_COPY_AND_ASSIGN(PowerMenuButton);
93};
94
95}  // namespace chromeos
96
97#endif  // CHROME_BROWSER_CHROMEOS_STATUS_POWER_MENU_BUTTON_H_
98