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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/message_center/message_center.h" | |
10 #include "ui/message_center/message_center_export.h" | |
11 #include "ui/views/bubble/tray_bubble_view.h" | |
12 | |
13 template <typename T> struct DefaultSingletonTraits; | |
Jun Mukai
2013/01/22 18:55:34
No one looks singleton in this file. Can we remove
dewittj
2013/01/22 20:49:21
Done.
| |
14 | |
15 namespace message_center { | |
16 class MessageBubbleBase; | |
17 class MessagePopupBubble; | |
18 class QuietModeBubble; | |
19 } | |
20 | |
21 namespace views { | |
22 class Widget; | |
23 } | |
24 | |
25 namespace ui { | |
26 | |
27 class MessageCenterTrayObserver { | |
28 public: | |
29 virtual void OnMessageCenterTrayChanged() = 0; | |
30 | |
31 protected: | |
32 virtual ~MessageCenterTrayObserver() {} | |
33 }; | |
34 | |
35 class MessageCenterTrayDelegate { | |
36 public: | |
37 static MessageCenterTrayDelegate* CreateForPlatform(); | |
38 virtual ~MessageCenterTrayDelegate() {}; | |
39 | |
40 virtual bool ShowPopups(message_center::MessageBubbleBase* bubble) = 0; | |
41 virtual void HidePopups() = 0; | |
42 virtual void UpdatePopups() = 0; | |
43 virtual bool ShowMessageCenter(message_center::MessageBubbleBase* bubble) = 0; | |
44 virtual void HideMessageCenter() = 0; | |
45 virtual void UpdateMessageCenter() = 0; | |
46 }; | |
47 | |
48 // Class that owns a MessageCenter and hosts it. Manages the popup and message | |
Jun Mukai
2013/01/22 18:55:34
This class doesn't own MessageCenter but only has
dewittj
2013/01/22 20:49:21
Fixed comment.
| |
49 // center bubbles. Tells the MessageCenterTrayHost when the tray is changed, as | |
50 // well as when bubbles are shown and hidden. | |
51 class MESSAGE_CENTER_EXPORT MessageCenterTray | |
52 : public message_center::MessageCenter::Observer { | |
53 public: | |
54 MessageCenterTray(MessageCenterTrayDelegate* delegate, | |
55 message_center::MessageCenter* message_center); | |
56 virtual ~MessageCenterTray(); | |
57 | |
58 void AddObserver(MessageCenterTrayObserver* observer); | |
59 void RemoveObserver(MessageCenterTrayObserver* observer); | |
60 | |
61 // Shows or updates the message center bubble and hides the popup bubble. | |
62 void ShowMessageCenterBubble(); | |
63 | |
64 // Returns whether the message center was visible before. | |
65 bool HideMessageCenterBubble(); | |
66 | |
67 void ToggleMessageCenterBubble(); | |
68 | |
69 // Causes an update if the popup bubble is already shown. | |
70 void ShowPopupBubble(); | |
71 | |
72 // Returns whether the popup was visible before. | |
73 bool HidePopupBubble(); | |
74 | |
75 bool message_center_visible() { return message_center_visible_; } | |
76 bool popups_visible() { return popups_visible_; } | |
77 MessageCenterTrayDelegate* delegate() { return delegate_; } | |
78 message_center::MessageCenter* message_center() { return message_center_; } | |
79 | |
80 // Overridden from message_center::MessageCenter::Observer. | |
81 virtual void OnMessageCenterChanged(bool new_notification) OVERRIDE; | |
82 | |
83 private: | |
84 // Notify each observer of events. | |
85 void NotifyMessageCenterTrayChanged(); | |
86 | |
87 message_center::MessageCenter* message_center_; | |
88 bool message_center_visible_; | |
89 bool popups_visible_; | |
90 MessageCenterTrayDelegate* delegate_; | |
91 ObserverList<MessageCenterTrayObserver> observers_; | |
92 | |
93 DISALLOW_COPY_AND_ASSIGN(MessageCenterTray); | |
94 }; | |
95 | |
96 } // namespace ui | |
97 | |
98 #endif // UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_ | |
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