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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 BASE_PREFS_VALUE_MAP_PREF_STORE_H_ | 5 #ifndef BASE_PREFS_VALUE_MAP_PREF_STORE_H_ |
| 6 #define BASE_PREFS_VALUE_MAP_PREF_STORE_H_ | 6 #define BASE_PREFS_VALUE_MAP_PREF_STORE_H_ |
| 7 | 7 |
| 8 #include <stdint.h> |
| 9 |
| 8 #include <map> | 10 #include <map> |
| 9 #include <string> | 11 #include <string> |
| 10 | 12 |
| 11 #include "base/basictypes.h" | 13 #include "base/macros.h" |
| 12 #include "base/observer_list.h" | 14 #include "base/observer_list.h" |
| 13 #include "base/prefs/base_prefs_export.h" | 15 #include "base/prefs/base_prefs_export.h" |
| 14 #include "base/prefs/pref_value_map.h" | 16 #include "base/prefs/pref_value_map.h" |
| 15 #include "base/prefs/writeable_pref_store.h" | 17 #include "base/prefs/writeable_pref_store.h" |
| 16 | 18 |
| 17 // A basic PrefStore implementation that uses a simple name-value map for | 19 // A basic PrefStore implementation that uses a simple name-value map for |
| 18 // storing the preference values. | 20 // storing the preference values. |
| 19 class BASE_PREFS_EXPORT ValueMapPrefStore : public WriteablePrefStore { | 21 class BASE_PREFS_EXPORT ValueMapPrefStore : public WriteablePrefStore { |
| 20 public: | 22 public: |
| 21 ValueMapPrefStore(); | 23 ValueMapPrefStore(); |
| 22 | 24 |
| 23 // PrefStore overrides: | 25 // PrefStore overrides: |
| 24 bool GetValue(const std::string& key, | 26 bool GetValue(const std::string& key, |
| 25 const base::Value** value) const override; | 27 const base::Value** value) const override; |
| 26 void AddObserver(PrefStore::Observer* observer) override; | 28 void AddObserver(PrefStore::Observer* observer) override; |
| 27 void RemoveObserver(PrefStore::Observer* observer) override; | 29 void RemoveObserver(PrefStore::Observer* observer) override; |
| 28 bool HasObservers() const override; | 30 bool HasObservers() const override; |
| 29 | 31 |
| 30 // WriteablePrefStore overrides: | 32 // WriteablePrefStore overrides: |
| 31 void SetValue(const std::string& key, | 33 void SetValue(const std::string& key, |
| 32 scoped_ptr<base::Value> value, | 34 scoped_ptr<base::Value> value, |
| 33 uint32 flags) override; | 35 uint32_t flags) override; |
| 34 void RemoveValue(const std::string& key, uint32 flags) override; | 36 void RemoveValue(const std::string& key, uint32_t flags) override; |
| 35 bool GetMutableValue(const std::string& key, base::Value** value) override; | 37 bool GetMutableValue(const std::string& key, base::Value** value) override; |
| 36 void ReportValueChanged(const std::string& key, uint32 flags) override; | 38 void ReportValueChanged(const std::string& key, uint32_t flags) override; |
| 37 void SetValueSilently(const std::string& key, | 39 void SetValueSilently(const std::string& key, |
| 38 scoped_ptr<base::Value> value, | 40 scoped_ptr<base::Value> value, |
| 39 uint32 flags) override; | 41 uint32_t flags) override; |
| 40 | 42 |
| 41 protected: | 43 protected: |
| 42 ~ValueMapPrefStore() override; | 44 ~ValueMapPrefStore() override; |
| 43 | 45 |
| 44 // Notify observers about the initialization completed event. | 46 // Notify observers about the initialization completed event. |
| 45 void NotifyInitializationCompleted(); | 47 void NotifyInitializationCompleted(); |
| 46 | 48 |
| 47 private: | 49 private: |
| 48 PrefValueMap prefs_; | 50 PrefValueMap prefs_; |
| 49 | 51 |
| 50 base::ObserverList<PrefStore::Observer, true> observers_; | 52 base::ObserverList<PrefStore::Observer, true> observers_; |
| 51 | 53 |
| 52 DISALLOW_COPY_AND_ASSIGN(ValueMapPrefStore); | 54 DISALLOW_COPY_AND_ASSIGN(ValueMapPrefStore); |
| 53 }; | 55 }; |
| 54 | 56 |
| 55 #endif // BASE_PREFS_VALUE_MAP_PREF_STORE_H_ | 57 #endif // BASE_PREFS_VALUE_MAP_PREF_STORE_H_ |
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