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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; | |
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 MESSAGE_CENTER_EXPORT MessageCenterTrayObserver { | |
28 public: | |
29 virtual ~MessageCenterTrayObserver() {} | |
stevenjb
2013/01/18 23:11:46
destructor should be protected
dewittj
2013/01/20 19:02:06
Done.
| |
30 | |
31 virtual void OnMessageCenterTrayChanged() {} | |
stevenjb
2013/01/18 23:11:46
With just a single method, it should be a pure vir
dewittj
2013/01/20 19:02:06
Done.
| |
32 }; | |
33 | |
34 class MESSAGE_CENTER_EXPORT MessageCenterTrayDelegate { | |
35 public: | |
36 virtual ~MessageCenterTrayDelegate () {} | |
37 | |
38 virtual bool ShowPopups(message_center::MessageBubbleBase* bubble) = 0; | |
39 virtual void HidePopups() = 0; | |
40 virtual void UpdatePopups() {} | |
stevenjb
2013/01/18 23:11:46
Default implementations, even trivial ones, should
dewittj
2013/01/20 19:02:06
Done.
| |
41 virtual bool ShowMessageCenter(message_center::MessageBubbleBase* bubble) = 0; | |
42 virtual void HideMessageCenter() = 0; | |
43 virtual void UpdateMessageCenter() {} | |
44 }; | |
45 | |
46 | |
stevenjb
2013/01/18 23:11:46
one blank line
dewittj
2013/01/20 19:02:06
Done.
| |
47 // Class that owns a MessageCenter and hosts it. Manages the popup and message | |
48 // center bubbles. Tells the MessageCenterTrayHost when the tray is changed, as | |
49 // well as when bubbles are shown and hidden. | |
50 class MESSAGE_CENTER_EXPORT MessageCenterTray | |
51 : public message_center::MessageCenter::Observer { | |
52 public: | |
53 explicit MessageCenterTray(MessageCenterTrayDelegate* host); | |
54 virtual ~MessageCenterTray(); | |
55 | |
56 void AddObserver(MessageCenterTrayObserver* observer); | |
57 void RemoveObserver(MessageCenterTrayObserver* observer); | |
58 | |
59 // Shows or updates the message center bubble and hides the popup bubble. | |
60 void ShowMessageCenterBubble(); | |
61 | |
62 // Hides the message center bubble if visible. | |
63 bool HideMessageCenterBubble(); | |
64 | |
65 void ToggleMessageCenterBubble(); | |
66 | |
67 // Shows or updates the popup notification bubble if appropriate. Calls | |
68 // MessageCenterTrayHost::CanShowPopups to determine if the system is in a | |
69 // good state for popups. | |
70 void ShowPopupBubble(); | |
71 | |
72 // Hides the notification bubble if visible. | |
73 bool HidePopupBubble(); | |
74 | |
75 bool IsMessageCenterVisible() { return message_center_visible_; } | |
stevenjb
2013/01/18 23:11:46
Should just be message_center_visible()
dewittj
2013/01/20 19:02:06
Done.
| |
76 | |
77 bool IsPopupVisible() { return popups_visible_; } | |
stevenjb
2013/01/18 23:11:46
popups_visible()
dewittj
2013/01/20 19:02:06
Done.
| |
78 | |
79 MessageCenterTrayDelegate* delegate() { return delegate_; } | |
80 message_center::MessageCenter* message_center() { | |
81 return message_center_; | |
82 } | |
83 | |
84 // Overridden from message_center::MessageCenter::Observer. | |
85 virtual void OnMessageCenterChanged(bool new_notification) OVERRIDE; | |
86 | |
87 private: | |
88 // Notify each observer of events. | |
89 void NotifyMessageCenterTrayChanged(); | |
90 | |
91 message_center::MessageCenter* message_center_; | |
92 bool message_center_visible_; | |
93 bool popups_visible_; | |
94 MessageCenterTrayDelegate* delegate_; | |
95 ObserverList<MessageCenterTrayObserver> observers_; | |
96 | |
97 DISALLOW_COPY_AND_ASSIGN(MessageCenterTray); | |
98 }; | |
99 | |
100 } // namespace ui | |
101 | |
102 #endif // UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_ | |
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