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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 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() {} | |
30 | |
31 virtual void OnMessageCenterTrayChanged() {}; | |
32 virtual void OnShowMessageCenterBubble() {}; | |
Pete Williamson
2013/01/17 19:07:45
Remove these events if they end up not getting use
dewittj
2013/01/18 00:57:46
Done.
| |
33 virtual void OnHideMessageCenterBubble() {}; | |
34 virtual void OnHidePopupBubble() {}; | |
35 }; | |
36 | |
37 class MESSAGE_CENTER_EXPORT MessageCenterTrayDelegate { | |
38 public: | |
39 virtual ~MessageCenterTrayDelegate () {} | |
40 | |
41 virtual bool ShowPopups(message_center::MessageBubbleBase* bubble) = 0; | |
42 virtual void HidePopups() = 0; | |
43 virtual void UpdatePopups() {} | |
44 virtual bool ShowMessageCenter(message_center::MessageBubbleBase* bubble) = 0; | |
45 virtual void HideMessageCenter() = 0; | |
46 virtual void UpdateMessageCenter() {} | |
47 }; | |
48 | |
49 | |
50 // Class that owns a MessageCenter and hosts it. Manages the popup and message | |
51 // center bubbles. Tells the MessageCenterTrayHost when the tray is changed, as | |
52 // well as when bubbles are shown and hidden. | |
53 class MESSAGE_CENTER_EXPORT MessageCenterTray | |
54 : public message_center::MessageCenter::Observer { | |
55 public: | |
56 explicit MessageCenterTray(MessageCenterTrayDelegate* host); | |
57 virtual ~MessageCenterTray(); | |
58 | |
59 void AddObserver(MessageCenterTrayObserver* observer); | |
60 void RemoveObserver(MessageCenterTrayObserver* observer); | |
61 | |
62 // Shows or updates the message center bubble and hides the popup bubble. | |
63 void ShowMessageCenterBubble(); | |
64 | |
65 // Hides the message center bubble if visible. | |
66 bool HideMessageCenterBubble(); | |
67 | |
68 void ToggleMessageCenterBubble(); | |
69 | |
70 // Shows or updates the popup notification bubble if appropriate. Calls | |
71 // MessageCenterTrayHost::CanShowPopups to determine if the system is in a | |
72 // good state for popups. | |
73 void ShowPopupBubble(); | |
74 | |
75 // Hides the notification bubble if visible. | |
76 bool HidePopupBubble(); | |
77 | |
78 bool IsMessageCenterVisible() { return message_center_visible_; } | |
79 | |
80 bool IsPopupVisible() { return popups_visible_; } | |
81 | |
82 views::TrayBubbleView* GetPopupBubbleView(); | |
83 views::TrayBubbleView* GetMessageCenterBubbleView(); | |
84 | |
85 MessageCenterTrayDelegate* delegate() { return delegate_; } | |
86 message_center::MessageCenter* message_center() { | |
87 return message_center_; | |
88 } | |
89 | |
90 // Overridden from message_center::MessageCenter::Observer. | |
91 virtual void OnMessageCenterChanged(bool new_notification) OVERRIDE; | |
92 | |
93 private: | |
94 // Notify each observer of events. | |
95 void NotifyMessageCenterTrayChanged() { | |
96 FOR_EACH_OBSERVER(MessageCenterTrayObserver, | |
97 observers_, | |
98 OnMessageCenterTrayChanged()); | |
99 } | |
100 void NotifyShowMessageCenterBubble() { | |
101 FOR_EACH_OBSERVER(MessageCenterTrayObserver, | |
102 observers_, | |
103 OnShowMessageCenterBubble()); | |
104 } | |
105 void NotifyHideMessageCenterBubble() { | |
106 FOR_EACH_OBSERVER(MessageCenterTrayObserver, | |
107 observers_, | |
108 OnHideMessageCenterBubble()); | |
109 } | |
110 void NotifyHidePopupBubble() { | |
111 FOR_EACH_OBSERVER(MessageCenterTrayObserver, | |
112 observers_, | |
113 OnHidePopupBubble()); | |
114 } | |
115 | |
116 | |
117 message_center::MessageCenter* message_center_; | |
118 bool message_center_visible_; | |
119 bool popups_visible_; | |
120 MessageCenterTrayDelegate* delegate_; | |
121 ObserverList<MessageCenterTrayObserver> observers_; | |
122 | |
123 DISALLOW_COPY_AND_ASSIGN(MessageCenterTray); | |
124 }; | |
125 | |
126 } // namespace ui | |
127 | |
128 #endif // UI_MESSAGE_CENTER_MESSAGE_CENTER_TRAY_H_ | |
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