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1 // Copyright 2014 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 CHROME_BROWSER_NOTIFICATIONS_GOOGLE_NOW_NOTIFICATION_STATS_COLLECTOR_H_ | |
6 #define CHROME_BROWSER_NOTIFICATIONS_GOOGLE_NOW_NOTIFICATION_STATS_COLLECTOR_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "ui/message_center/message_center.h" | |
11 #include "ui/message_center/message_center_observer.h" | |
12 #include "ui/message_center/message_center_types.h" | |
13 | |
14 // The Google Now Notification Stats Collector listens for message center | |
15 // events and records stats about Google Now specific notifications. | |
16 class GoogleNowNotificationStatsCollector | |
17 : public message_center::MessageCenterObserver { | |
18 public: | |
19 explicit GoogleNowNotificationStatsCollector( | |
20 message_center::MessageCenter* message_center); | |
21 virtual ~GoogleNowNotificationStatsCollector(); | |
22 | |
23 private: | |
24 // MessageCenterObserver | |
25 virtual void OnNotificationDisplayed( | |
26 const std::string& notification_id, | |
27 const message_center::DisplaySource source) OVERRIDE; | |
28 virtual void OnCenterVisibilityChanged( | |
29 message_center::Visibility visibility) OVERRIDE; | |
30 | |
31 // Counts the number of Google Now Notifications in the message center. | |
32 int CountVisibleGoogleNowNotifications(); | |
33 | |
34 // Returns true if the notification ID is for Google Now. | |
35 bool IsNotificationIdForGoogleNow(const std::string& notification_id); | |
36 | |
37 // Weak, global. | |
38 message_center::MessageCenter* message_center_; | |
39 | |
40 DISALLOW_COPY_AND_ASSIGN(GoogleNowNotificationStatsCollector); | |
41 }; | |
42 | |
43 #endif // CHROME_BROWSER_NOTIFICATIONS_GOOGLE_NOW_NOTIFICATION_STATS_COLLECTOR_
H_ | |
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