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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 COMPONENTS_CRONET_ANDROID_CRONET_IN_MEMORY_PREF_STORE_H_ | 5 #ifndef COMPONENTS_CRONET_ANDROID_CRONET_IN_MEMORY_PREF_STORE_H_ |
| 6 #define COMPONENTS_CRONET_ANDROID_CRONET_IN_MEMORY_PREF_STORE_H_ | 6 #define COMPONENTS_CRONET_ANDROID_CRONET_IN_MEMORY_PREF_STORE_H_ |
| 7 | 7 |
| 8 #include <stdint.h> |
| 9 |
| 8 #include <string> | 10 #include <string> |
| 9 | 11 |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
| 13 #include "base/macros.h" |
| 12 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
| 13 #include "base/observer_list.h" | 15 #include "base/observer_list.h" |
| 14 #include "base/prefs/persistent_pref_store.h" | 16 #include "base/prefs/persistent_pref_store.h" |
| 15 #include "base/prefs/pref_value_map.h" | 17 #include "base/prefs/pref_value_map.h" |
| 16 | 18 |
| 17 namespace base { | 19 namespace base { |
| 18 class Value; | 20 class Value; |
| 19 } | 21 } |
| 20 | 22 |
| 21 // A light-weight prefstore implementation that keeps preferences | 23 // A light-weight prefstore implementation that keeps preferences |
| 22 // in a memory backed store. This is not a persistent prefstore. | 24 // in a memory backed store. This is not a persistent prefstore. |
| 23 // TODO(bengr): Move to base/prefs or some other shared location. | 25 // TODO(bengr): Move to base/prefs or some other shared location. |
| 24 class CronetInMemoryPrefStore : public PersistentPrefStore { | 26 class CronetInMemoryPrefStore : public PersistentPrefStore { |
| 25 public: | 27 public: |
| 26 CronetInMemoryPrefStore(); | 28 CronetInMemoryPrefStore(); |
| 27 | 29 |
| 28 // PrefStore overrides: | 30 // PrefStore overrides: |
| 29 bool GetValue(const std::string& key, | 31 bool GetValue(const std::string& key, |
| 30 const base::Value** result) const override; | 32 const base::Value** result) const override; |
| 31 void AddObserver(PrefStore::Observer* observer) override; | 33 void AddObserver(PrefStore::Observer* observer) override; |
| 32 void RemoveObserver(PrefStore::Observer* observer) override; | 34 void RemoveObserver(PrefStore::Observer* observer) override; |
| 33 bool HasObservers() const override; | 35 bool HasObservers() const override; |
| 34 bool IsInitializationComplete() const override; | 36 bool IsInitializationComplete() const override; |
| 35 | 37 |
| 36 // PersistentPrefStore overrides: | 38 // PersistentPrefStore overrides: |
| 37 bool GetMutableValue(const std::string& key, base::Value** result) override; | 39 bool GetMutableValue(const std::string& key, base::Value** result) override; |
| 38 void ReportValueChanged(const std::string& key, uint32 flags) override; | 40 void ReportValueChanged(const std::string& key, uint32_t flags) override; |
| 39 void SetValue(const std::string& key, | 41 void SetValue(const std::string& key, |
| 40 scoped_ptr<base::Value> value, | 42 scoped_ptr<base::Value> value, |
| 41 uint32 flags) override; | 43 uint32_t flags) override; |
| 42 void SetValueSilently(const std::string& key, | 44 void SetValueSilently(const std::string& key, |
| 43 scoped_ptr<base::Value> value, | 45 scoped_ptr<base::Value> value, |
| 44 uint32 flags) override; | 46 uint32_t flags) override; |
| 45 void RemoveValue(const std::string& key, uint32 flags) override; | 47 void RemoveValue(const std::string& key, uint32_t flags) override; |
| 46 bool ReadOnly() const override; | 48 bool ReadOnly() const override; |
| 47 PrefReadError GetReadError() const override; | 49 PrefReadError GetReadError() const override; |
| 48 PersistentPrefStore::PrefReadError ReadPrefs() override; | 50 PersistentPrefStore::PrefReadError ReadPrefs() override; |
| 49 void ReadPrefsAsync(ReadErrorDelegate* error_delegate) override; | 51 void ReadPrefsAsync(ReadErrorDelegate* error_delegate) override; |
| 50 void CommitPendingWrite() override {} | 52 void CommitPendingWrite() override {} |
| 51 void SchedulePendingLossyWrites() override {} | 53 void SchedulePendingLossyWrites() override {} |
| 52 | 54 |
| 53 private: | 55 private: |
| 54 ~CronetInMemoryPrefStore() override; | 56 ~CronetInMemoryPrefStore() override; |
| 55 | 57 |
| 56 // Stores the preference values. | 58 // Stores the preference values. |
| 57 PrefValueMap prefs_; | 59 PrefValueMap prefs_; |
| 58 | 60 |
| 59 base::ObserverList<PrefStore::Observer, true> observers_; | 61 base::ObserverList<PrefStore::Observer, true> observers_; |
| 60 | 62 |
| 61 DISALLOW_COPY_AND_ASSIGN(CronetInMemoryPrefStore); | 63 DISALLOW_COPY_AND_ASSIGN(CronetInMemoryPrefStore); |
| 62 }; | 64 }; |
| 63 | 65 |
| 64 #endif // COMPONENTS_CRONET_ANDROID_CRONET_IN_MEMORY_PREF_STORE_H_ | 66 #endif // COMPONENTS_CRONET_ANDROID_CRONET_IN_MEMORY_PREF_STORE_H_ |
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