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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_MESSAGE_CENTER_NOTIFICATION_BLOCKER_H_ | 5 #ifndef UI_MESSAGE_CENTER_NOTIFICATION_BLOCKER_H_ |
6 #define UI_MESSAGE_CENTER_NOTIFICATION_BLOCKER_H_ | 6 #define UI_MESSAGE_CENTER_NOTIFICATION_BLOCKER_H_ |
7 | 7 |
8 #include "base/observer_list.h" | 8 #include "base/observer_list.h" |
9 #include "ui/message_center/message_center_export.h" | 9 #include "ui/message_center/message_center_export.h" |
10 #include "ui/message_center/notification.h" | 10 #include "ui/message_center/notification.h" |
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24 | 24 |
25 explicit NotificationBlocker(MessageCenter* message_center); | 25 explicit NotificationBlocker(MessageCenter* message_center); |
26 virtual ~NotificationBlocker(); | 26 virtual ~NotificationBlocker(); |
27 | 27 |
28 void AddObserver(Observer* observer); | 28 void AddObserver(Observer* observer); |
29 void RemoveObserver(Observer* observer); | 29 void RemoveObserver(Observer* observer); |
30 | 30 |
31 // Checks the current state and updates the availability. | 31 // Checks the current state and updates the availability. |
32 virtual void CheckState() {} | 32 virtual void CheckState() {} |
33 | 33 |
34 // Returns true when notifications from |notifier_id| should appear in the | 34 // Returns true should be shown in the message center. Default returns true |
35 // message center. Default returns true always. | 35 // always. |
36 virtual bool ShouldShowNotification(const NotifierId& notifier_id) const; | 36 virtual bool ShouldShowNotification( |
| 37 const Notification& notification) const; |
37 | 38 |
38 // Returns true when notifications from |notifier_id| should be shown as | 39 // Returns true if this notification should be shown as popups on screen. |
39 // popups on screen. If it's false, those notifications should be queued. | 40 // If it's false, those notifications should be queued. |
40 // When a blocker starts returning false for a notification which is already | 41 // When a blocker starts returning false for a notification which is already |
41 // shown as a popup, the notification should be closed as a popup immediately. | 42 // shown as a popup, the notification should be closed as a popup immediately. |
42 virtual bool ShouldShowNotificationAsPopup( | 43 virtual bool ShouldShowNotificationAsPopup( |
43 const NotifierId& notifier_id) const = 0; | 44 const Notification& notification) const = 0; |
44 | 45 |
45 protected: | 46 protected: |
46 MessageCenter* message_center() { return message_center_; } | 47 MessageCenter* message_center() { return message_center_; } |
47 void NotifyBlockingStateChanged(); | 48 void NotifyBlockingStateChanged(); |
48 | 49 |
49 private: | 50 private: |
50 base::ObserverList<Observer> observers_; | 51 base::ObserverList<Observer> observers_; |
51 MessageCenter* message_center_; // weak | 52 MessageCenter* message_center_; // weak |
52 }; | 53 }; |
53 | 54 |
54 typedef std::vector<NotificationBlocker*> NotificationBlockers; | 55 typedef std::vector<NotificationBlocker*> NotificationBlockers; |
55 | 56 |
56 } // namespace message_center | 57 } // namespace message_center |
57 | 58 |
58 #endif // UI_MESSAGE_CENTER_NOTIFICATION_BLOCKER_H_ | 59 #endif // UI_MESSAGE_CENTER_NOTIFICATION_BLOCKER_H_ |
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