status_area_widget.h revision 3551c9c881056c480085172ff9840cab31610854 
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_STATUS_AREA_WIDGET_H_
6#define ASH_SYSTEM_STATUS_AREA_WIDGET_H_
7
8#include "ash/ash_export.h"
9#include "ash/shelf/shelf_types.h"
10#include "ash/system/user/login_status.h"
11#include "ui/views/widget/widget.h"
12
13namespace ash {
14
15class ShellDelegate;
16class SystemTray;
17class WebNotificationTray;
18
19namespace internal {
20
21class LogoutButtonTray;
22class StatusAreaWidgetDelegate;
23
24class ASH_EXPORT StatusAreaWidget : public views::Widget {
25 public:
26  static const char kNativeViewName[];
27
28  explicit StatusAreaWidget(aura::Window* status_container);
29  virtual ~StatusAreaWidget();
30
31  // Creates the SystemTray, WebNotificationTray and LogoutButtonTray.
32  void CreateTrayViews();
33
34  // Destroys the system tray and web notification tray. Called before
35  // tearing down the windows to avoid shutdown ordering issues.
36  void Shutdown();
37
38  // Update the alignment of the widget and tray views.
39  void SetShelfAlignment(ShelfAlignment alignment);
40
41  // Set the visibility of system notifications.
42  void SetHideSystemNotifications(bool hide);
43
44  // Called by the client when the login status changes. Caches login_status
45  // and calls UpdateAfterLoginStatusChange for the system tray and the web
46  // notification tray.
47  void UpdateAfterLoginStatusChange(user::LoginStatus login_status);
48
49  internal::StatusAreaWidgetDelegate* status_area_widget_delegate() {
50    return status_area_widget_delegate_;
51  }
52  SystemTray* system_tray() { return system_tray_; }
53  WebNotificationTray* web_notification_tray() {
54    return web_notification_tray_;
55  }
56
57  user::LoginStatus login_status() const { return login_status_; }
58
59  // Returns true if the launcher should be visible. This is used when the
60  // launcher is configured to auto-hide and test if the shelf should force
61  // the launcher to remain visible.
62  bool ShouldShowLauncher() const;
63
64  // True if any message bubble is shown.
65  bool IsMessageBubbleShown() const;
66
67  // Overridden from views::Widget:
68  virtual void OnNativeWidgetActivationChanged(bool active) OVERRIDE;
69
70 private:
71  void AddSystemTray();
72  void AddWebNotificationTray();
73  void AddLogoutButtonTray();
74
75  // Weak pointers to View classes that are parented to StatusAreaWidget:
76  internal::StatusAreaWidgetDelegate* status_area_widget_delegate_;
77  SystemTray* system_tray_;
78  WebNotificationTray* web_notification_tray_;
79  LogoutButtonTray* logout_button_tray_;
80  user::LoginStatus login_status_;
81
82  DISALLOW_COPY_AND_ASSIGN(StatusAreaWidget);
83};
84
85}  // namespace internal
86}  // namespace ash
87
88#endif  // ASH_SYSTEM_STATUS_AREA_WIDGET_H_
89