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 "base/strings/string16.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#include "ui/message_center/notifier_settings.h"
14
15namespace ui {
16class MenuModel;
17}
18
19namespace message_center {
20
21class MessageCenter;
22class MessageBubbleBase;
23class MessagePopupBubble;
24class QuietModeBubble;
25
26// Implementation found with each supported platform's implementation of
27// MessageCenterTrayDelegate.
28MessageCenterTrayDelegate* CreateMessageCenterTray();
29
30// Class that observes a MessageCenter. Manages the popup and message center
31// bubbles. Tells the MessageCenterTrayHost when the tray is changed, as well
32// as when bubbles are shown and hidden.
33class MESSAGE_CENTER_EXPORT MessageCenterTray : public MessageCenterObserver {
34 public:
35  MessageCenterTray(MessageCenterTrayDelegate* delegate,
36                    message_center::MessageCenter* message_center);
37  virtual ~MessageCenterTray();
38
39  // Shows or updates the message center bubble and hides the popup bubble.
40  // Returns whether the message center is visible after the call, whether or
41  // not it was visible before.
42  bool ShowMessageCenterBubble();
43
44  // Hides the message center if visible and returns whether the message center
45  // was visible before.
46  bool HideMessageCenterBubble();
47
48  // Marks the message center as "not visible" (this method will not hide the
49  // message center).
50  void MarkMessageCenterHidden();
51
52  void ToggleMessageCenterBubble();
53
54  // Causes an update if the popup bubble is already shown.
55  void ShowPopupBubble();
56
57  // Returns whether the popup was visible before.
58  bool HidePopupBubble();
59
60  // Toggles the visibility of the settings view in the message center bubble.
61  void ShowNotifierSettingsBubble();
62
63  // Creates a model for the context menu for a notification card.
64  scoped_ptr<ui::MenuModel> CreateNotificationMenuModel(
65      const NotifierId& notifier_id,
66      const base::string16& display_source);
67
68  bool message_center_visible() { return message_center_visible_; }
69  bool popups_visible() { return popups_visible_; }
70  MessageCenterTrayDelegate* delegate() { return delegate_; }
71  const message_center::MessageCenter* message_center() const {
72    return message_center_;
73  }
74  message_center::MessageCenter* message_center() { return message_center_; }
75
76  // Overridden from MessageCenterObserver:
77  virtual void OnNotificationAdded(const std::string& notification_id) OVERRIDE;
78  virtual void OnNotificationRemoved(const std::string& notification_id,
79                                     bool by_user) OVERRIDE;
80  virtual void OnNotificationUpdated(
81      const std::string& notification_id) OVERRIDE;
82  virtual void OnNotificationClicked(
83      const std::string& notification_id) OVERRIDE;
84  virtual void OnNotificationButtonClicked(
85      const std::string& notification_id,
86      int button_index) OVERRIDE;
87  virtual void OnNotificationDisplayed(
88      const std::string& notification_id,
89      const DisplaySource source) OVERRIDE;
90  virtual void OnQuietModeChanged(bool in_quiet_mode) OVERRIDE;
91  virtual void OnBlockingStateChanged(NotificationBlocker* blocker) OVERRIDE;
92
93 private:
94  void OnMessageCenterChanged();
95  void NotifyMessageCenterTrayChanged();
96  void HidePopupBubbleInternal();
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