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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 CHROME_BROWSER_LIFETIME_KEEP_ALIVE_REGISTRY_H_ | 5 #ifndef CHROME_BROWSER_LIFETIME_KEEP_ALIVE_REGISTRY_H_ |
6 #define CHROME_BROWSER_LIFETIME_KEEP_ALIVE_REGISTRY_H_ | 6 #define CHROME_BROWSER_LIFETIME_KEEP_ALIVE_REGISTRY_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "base/memory/singleton.h" | 11 #include "base/memory/singleton.h" |
12 #include "base/observer_list.h" | 12 #include "base/observer_list.h" |
13 | 13 |
14 enum class KeepAliveOrigin; | 14 enum class KeepAliveOrigin; |
15 enum class KeepAliveRestartOption; | 15 enum class KeepAliveRestartOption; |
16 class KeepAliveStateObserver; | 16 class KeepAliveStateObserver; |
17 | 17 |
18 class KeepAliveRegistry { | 18 class KeepAliveRegistry { |
19 public: | 19 public: |
20 static KeepAliveRegistry* GetInstance(); | 20 static KeepAliveRegistry* GetInstance(); |
21 | 21 |
22 // Methods to query the state of the registry. | 22 // Methods to query the state of the registry. |
23 // TODO(dgn): This currently does not give a complete picture. It has no | 23 // TODO(dgn): This currently does not give a complete picture. It has no |
24 // information about the many places that rely on IncrementKeepAliveCount and | 24 // information about the many places that rely on AddRefModule to keep the |
25 // AddRefModule to keep the browser alive. Tracked by https://crbug.com/587926 | 25 // browser alive. Tracked by https://crbug.com/587926 |
26 bool IsKeepingAlive() const; | 26 bool IsKeepingAlive() const; |
27 bool IsRestartAllowed() const; | 27 bool IsRestartAllowed() const; |
28 | 28 |
29 void AddObserver(KeepAliveStateObserver* observer); | 29 void AddObserver(KeepAliveStateObserver* observer); |
30 void RemoveObserver(KeepAliveStateObserver* observer); | 30 void RemoveObserver(KeepAliveStateObserver* observer); |
31 | 31 |
32 private: | 32 private: |
33 friend struct base::DefaultSingletonTraits<KeepAliveRegistry>; | 33 friend struct base::DefaultSingletonTraits<KeepAliveRegistry>; |
34 // Friend to be able to use Register/Unregister | 34 // Friend to be able to use Register/Unregister |
35 friend class ScopedKeepAlive; | 35 friend class ScopedKeepAlive; |
(...skipping 24 matching lines...) Expand all Loading... |
60 base::ObserverList<KeepAliveStateObserver> observers_; | 60 base::ObserverList<KeepAliveStateObserver> observers_; |
61 | 61 |
62 DISALLOW_COPY_AND_ASSIGN(KeepAliveRegistry); | 62 DISALLOW_COPY_AND_ASSIGN(KeepAliveRegistry); |
63 }; | 63 }; |
64 | 64 |
65 #ifndef NDEBUG | 65 #ifndef NDEBUG |
66 std::ostream& operator<<(std::ostream& out, const KeepAliveRegistry& registry); | 66 std::ostream& operator<<(std::ostream& out, const KeepAliveRegistry& registry); |
67 #endif // ndef NDEBUG | 67 #endif // ndef NDEBUG |
68 | 68 |
69 #endif // CHROME_BROWSER_LIFETIME_KEEP_ALIVE_REGISTRY_H_ | 69 #endif // CHROME_BROWSER_LIFETIME_KEEP_ALIVE_REGISTRY_H_ |
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