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Side by Side Diff: ui/message_center/message_center_tray.h

Issue 11819048: Implement message center on Windows (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: Now with more tests, and corrected copyright notices. Created 7 years, 11 months ago
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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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