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_STATUS_AREA_BUTTON_H_
6#define CHROME_BROWSER_CHROMEOS_STATUS_STATUS_AREA_BUTTON_H_
7#pragma once
8
9#include "chrome/browser/chromeos/status/status_area_host.h"
10#include "views/controls/button/menu_button.h"
11#include "views/controls/menu/view_menu_delegate.h"
12
13namespace chromeos {
14
15// Button to be used to represent status and allow menus to be popped up.
16// Shows current button state by drawing a border around the current icon.
17class StatusAreaButton : public views::MenuButton {
18 public:
19  explicit StatusAreaButton(StatusAreaHost* host,
20                            views::ViewMenuDelegate* menu_delegate);
21  virtual ~StatusAreaButton() {}
22  virtual void PaintButton(gfx::Canvas* canvas, PaintButtonMode mode);
23
24  // Overrides TextButton's SetText to clear max text size before seting new
25  // text content so that the button size would fit the new text size.
26  virtual void SetText(const std::wstring& text);
27
28  void set_use_menu_button_paint(bool use_menu_button_paint) {
29    use_menu_button_paint_ = use_menu_button_paint;
30  }
31
32  // views::MenuButton overrides.
33  virtual bool Activate() OVERRIDE;
34
35  // View overrides.
36  virtual gfx::Size GetPreferredSize() OVERRIDE;
37  virtual gfx::Insets GetInsets() const OVERRIDE;
38  virtual void OnThemeChanged() OVERRIDE;
39
40  // Controls whether or not this status area button is able to be pressed.
41  void set_active(bool active) { active_ = active; }
42  bool active() const { return active_; }
43
44 protected:
45  // Subclasses should override these methods to return the correct dimensions.
46  virtual int icon_height() { return 24; }
47  virtual int icon_width() { return 23; }
48
49  // Subclasses can override this method to return more or less padding.
50  // The padding is added to both the left and right side.
51  virtual int horizontal_padding() { return 1; }
52
53  // True if the button wants to use views::MenuButton drawings.
54  bool use_menu_button_paint_;
55
56  // Insets to use for this button.
57  gfx::Insets insets_;
58
59  // Indicates when this button can be pressed.  Independent of
60  // IsEnabled state, so that when IsEnabled is true, this can still
61  // be false, and vice versa.
62  bool active_;
63
64  // The status area host,
65  StatusAreaHost* host_;
66
67 private:
68  void UpdateTextStyle();
69
70  DISALLOW_COPY_AND_ASSIGN(StatusAreaButton);
71};
72
73}  // namespace chromeos
74
75#endif  // CHROME_BROWSER_CHROMEOS_STATUS_STATUS_AREA_BUTTON_H_
76