1// Copyright (c) 2013 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 UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_
6#define UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_
7
8#include "base/observer_list.h"
9#include "ui/base/models/simple_menu_model.h"
10#include "ui/message_center/message_center_export.h"
11#include "ui/message_center/message_center_observer.h"
12#include "ui/message_center/message_center_tray_delegate.h"
13
14namespace message_center {
15
16class MessageCenter;
17class MessageBubbleBase;
18class MessagePopupBubble;
19class QuietModeBubble;
20
21// Implementation found with each supported platform's implementation of
22// MessageCenterTrayDelegate.
23MessageCenterTrayDelegate* CreateMessageCenterTray();
24
25// Class that observes a MessageCenter. Manages the popup and message center
26// bubbles. Tells the MessageCenterTrayHost when the tray is changed, as well
27// as when bubbles are shown and hidden.
28class MESSAGE_CENTER_EXPORT MessageCenterTray
29    : public MessageCenterObserver,
30      public ui::SimpleMenuModel::Delegate {
31 public:
32  MessageCenterTray(MessageCenterTrayDelegate* delegate,
33                    message_center::MessageCenter* message_center);
34  virtual ~MessageCenterTray();
35
36  // Shows or updates the message center bubble and hides the popup bubble.
37  // Returns whether the message center is visible after the call, whether or
38  // not it was visible before.
39  bool ShowMessageCenterBubble();
40
41  // Hides the message center if visible and returns whether the message center
42  // was visible before.
43  bool HideMessageCenterBubble();
44
45  // Marks the message center as "not visible" (this method will not hide the
46  // message center).
47  void MarkMessageCenterHidden();
48
49  void ToggleMessageCenterBubble();
50
51  // Causes an update if the popup bubble is already shown.
52  void ShowPopupBubble();
53
54  // Returns whether the popup was visible before.
55  bool HidePopupBubble();
56
57  // Toggles the visibility of the settings view in the message center bubble.
58  void ShowNotifierSettingsBubble();
59
60  // Creates the menu model for quiet mode and returns it. The caller must
61  // take the ownership of the return value.
62  ui::MenuModel* CreateQuietModeMenu();
63
64  bool message_center_visible() { return message_center_visible_; }
65  bool popups_visible() { return popups_visible_; }
66  MessageCenterTrayDelegate* delegate() { return delegate_; }
67  const message_center::MessageCenter* message_center() const {
68    return message_center_;
69  }
70  message_center::MessageCenter* message_center() { return message_center_; }
71
72  // Overridden from MessageCenterObserver:
73  virtual void OnNotificationAdded(const std::string& notification_id) OVERRIDE;
74  virtual void OnNotificationRemoved(const std::string& notification_id,
75                                     bool by_user) OVERRIDE;
76  virtual void OnNotificationUpdated(
77      const std::string& notification_id) OVERRIDE;
78  virtual void OnNotificationClicked(
79      const std::string& notification_id) OVERRIDE;
80  virtual void OnNotificationButtonClicked(
81      const std::string& notification_id,
82      int button_index) OVERRIDE;
83  virtual void OnNotificationDisplayed(
84      const std::string& notification_id) OVERRIDE;
85
86  // Overridden from SimpleMenuModel::Delegate.
87  virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
88  virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
89  virtual bool GetAcceleratorForCommandId(
90      int command_id,
91      ui::Accelerator* accelerator) OVERRIDE;
92  virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
93
94 private:
95  void OnMessageCenterChanged();
96  void NotifyMessageCenterTrayChanged();
97
98  // |message_center_| is a weak pointer that must live longer than
99  // MessageCenterTray.
100  message_center::MessageCenter* message_center_;
101  bool message_center_visible_;
102  bool popups_visible_;
103  // |delegate_| is a weak pointer that must live longer than MessageCenterTray.
104  MessageCenterTrayDelegate* delegate_;
105
106  DISALLOW_COPY_AND_ASSIGN(MessageCenterTray);
107};
108
109}  // namespace message_center
110
111#endif  // UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_
112