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