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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 ATHENA_TEST_BASE_ACTIVITY_LIFETIME_TRACKER_H_ | |
6 #define ATHENA_TEST_BASE_ACTIVITY_LIFETIME_TRACKER_H_ | |
7 | |
8 #include "athena/activity/public/activity_manager_observer.h" | |
9 #include "base/macros.h" | |
10 | |
11 namespace athena { | |
12 class Activity; | |
13 | |
14 // Listens for activities to be started / ended and will return them. | |
15 class ActivityLifetimeTracker : public ActivityManagerObserver { | |
16 public: | |
17 ActivityLifetimeTracker(); | |
18 ~ActivityLifetimeTracker() override; | |
19 | |
20 // ActivityManagerObserver: | |
21 void OnActivityStarted(Activity* activity) override; | |
22 void OnActivityEnding(Activity* activity) override; | |
23 void OnActivityOrderChanged() override; | |
24 | |
25 // Returns the newly created activity (if any) and resets its reference. | |
26 Activity* GetNewActivityAndReset(); | |
27 | |
28 // Returns a deleted activity (if any) and resets its reference. | |
29 // Note that the pointer is void* since the Activity was deleted when | |
30 // requested. | |
31 void* GetDeletedActivityAndReset(); | |
32 | |
33 private: | |
34 // The activity which got created if not nullptr. | |
35 Activity* new_activity_; | |
36 | |
37 // An old activity which got unloaded if not nullptr. | |
38 void* deleted_activity_; | |
39 | |
40 DISALLOW_COPY_AND_ASSIGN(ActivityLifetimeTracker); | |
41 }; | |
42 | |
43 } // namespace athena | |
44 | |
45 #endif // ATHENA_TEST_BASE_ACTIVITY_LIFETIME_TRACKER_H_ | |
46 | |
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