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