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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 #include "chrome/browser/metrics/thread_watcher_android.h" | 5 #include "chrome/browser/metrics/thread_watcher_android.h" |
6 | 6 |
7 #include "base/android/application_status_listener.h" | 7 #include "base/android/application_status_listener.h" |
8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
9 #include "base/lazy_instance.h" | 9 #include "base/lazy_instance.h" |
| 10 #include "base/logging.h" |
10 #include "chrome/browser/metrics/thread_watcher.h" | 11 #include "chrome/browser/metrics/thread_watcher.h" |
11 | 12 |
12 namespace { | 13 namespace { |
13 | 14 |
14 // For most of the activities, the C++ side is initialized asynchronously | 15 // For most of the activities, the C++ side is initialized asynchronously |
15 // and the very first APPLICATION_STATE_HAS_RUNNING_ACTIVITIES is never received | 16 // and the very first APPLICATION_STATE_HAS_RUNNING_ACTIVITIES is never received |
16 // whilst the ThreadWatcherList is initiated higher up in the stack. | 17 // whilst the ThreadWatcherList is initiated higher up in the stack. |
17 // However, some activities are initialized synchronously, and it'll receive | 18 // However, some activities are initialized synchronously, and it'll receive |
18 // an APPLICATION_STATE_HAS_RUNNING_ACTIVITIES here as well. | 19 // an APPLICATION_STATE_HAS_RUNNING_ACTIVITIES here as well. |
19 // Protect against this case, and only let | 20 // Protect against this case, and only let |
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33 base::android::APPLICATION_STATE_HAS_RUNNING_ACTIVITIES && | 34 base::android::APPLICATION_STATE_HAS_RUNNING_ACTIVITIES && |
34 g_application_has_stopped) { | 35 g_application_has_stopped) { |
35 g_application_has_stopped = false; | 36 g_application_has_stopped = false; |
36 ThreadWatcherList::StartWatchingAll( | 37 ThreadWatcherList::StartWatchingAll( |
37 *base::CommandLine::ForCurrentProcess()); | 38 *base::CommandLine::ForCurrentProcess()); |
38 } | 39 } |
39 } | 40 } |
40 | 41 |
41 struct LeakyApplicationStatusListenerTraits { | 42 struct LeakyApplicationStatusListenerTraits { |
42 static const bool kRegisterOnExit = false; | 43 static const bool kRegisterOnExit = false; |
43 #ifndef NDEBUG | 44 #if DCHECK_IS_ON() |
44 static const bool kAllowedToAccessOnNonjoinableThread = true; | 45 static const bool kAllowedToAccessOnNonjoinableThread = true; |
45 #endif | 46 #endif |
46 | 47 |
47 static base::android::ApplicationStatusListener* New(void* instance) { | 48 static base::android::ApplicationStatusListener* New(void* instance) { |
48 ANNOTATE_SCOPED_MEMORY_LEAK; | 49 ANNOTATE_SCOPED_MEMORY_LEAK; |
49 return new (instance) base::android::ApplicationStatusListener( | 50 return new (instance) base::android::ApplicationStatusListener( |
50 base::Bind(&OnApplicationStateChange)); | 51 base::Bind(&OnApplicationStateChange)); |
51 } | 52 } |
52 | 53 |
53 static void Delete(base::android::ApplicationStatusListener* instance) { | 54 static void Delete(base::android::ApplicationStatusListener* instance) { |
54 } | 55 } |
55 }; | 56 }; |
56 | 57 |
57 base::LazyInstance<base::android::ApplicationStatusListener, | 58 base::LazyInstance<base::android::ApplicationStatusListener, |
58 LeakyApplicationStatusListenerTraits> | 59 LeakyApplicationStatusListenerTraits> |
59 g_application_status_listener = LAZY_INSTANCE_INITIALIZER; | 60 g_application_status_listener = LAZY_INSTANCE_INITIALIZER; |
60 | 61 |
61 } // namespace | 62 } // namespace |
62 | 63 |
63 void ThreadWatcherAndroid::RegisterApplicationStatusListener() { | 64 void ThreadWatcherAndroid::RegisterApplicationStatusListener() { |
64 // Leaky. | 65 // Leaky. |
65 g_application_status_listener.Get(); | 66 g_application_status_listener.Get(); |
66 } | 67 } |
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