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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 | |
24 // information about the many places that rely on AddRefModule to keep the | |
25 // browser alive. Tracked by https://crbug.com/587926 | |
26 bool IsKeepingAlive() const; | 23 bool IsKeepingAlive() const; |
27 bool IsRestartAllowed() const; | 24 bool IsRestartAllowed() const; |
25 bool IsOriginRegistered(KeepAliveOrigin origin) const; | |
dgn
2016/03/16 15:10:50
Should I rename it xxForTesting? I suppose it coul
sky
2016/03/17 00:02:24
I wouldn't bother.
| |
28 | 26 |
29 void AddObserver(KeepAliveStateObserver* observer); | 27 void AddObserver(KeepAliveStateObserver* observer); |
30 void RemoveObserver(KeepAliveStateObserver* observer); | 28 void RemoveObserver(KeepAliveStateObserver* observer); |
31 | 29 |
32 private: | 30 private: |
33 friend struct base::DefaultSingletonTraits<KeepAliveRegistry>; | 31 friend struct base::DefaultSingletonTraits<KeepAliveRegistry>; |
34 // Friend to be able to use Register/Unregister | 32 // Friend to be able to use Register/Unregister |
35 friend class ScopedKeepAlive; | 33 friend class ScopedKeepAlive; |
36 friend std::ostream& operator<<(std::ostream& out, | 34 friend std::ostream& operator<<(std::ostream& out, |
37 const KeepAliveRegistry& registry); | 35 const KeepAliveRegistry& registry); |
(...skipping 22 matching lines...) Expand all Loading... | |
60 base::ObserverList<KeepAliveStateObserver> observers_; | 58 base::ObserverList<KeepAliveStateObserver> observers_; |
61 | 59 |
62 DISALLOW_COPY_AND_ASSIGN(KeepAliveRegistry); | 60 DISALLOW_COPY_AND_ASSIGN(KeepAliveRegistry); |
63 }; | 61 }; |
64 | 62 |
65 #ifndef NDEBUG | 63 #ifndef NDEBUG |
66 std::ostream& operator<<(std::ostream& out, const KeepAliveRegistry& registry); | 64 std::ostream& operator<<(std::ostream& out, const KeepAliveRegistry& registry); |
67 #endif // ndef NDEBUG | 65 #endif // ndef NDEBUG |
68 | 66 |
69 #endif // CHROME_BROWSER_LIFETIME_KEEP_ALIVE_REGISTRY_H_ | 67 #endif // CHROME_BROWSER_LIFETIME_KEEP_ALIVE_REGISTRY_H_ |
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