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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_PREFS_VALUE_MAP_PREF_STORE_H_ | 5 #ifndef CHROME_BROWSER_PREFS_VALUE_MAP_PREF_STORE_H_ |
| 6 #define CHROME_BROWSER_PREFS_VALUE_MAP_PREF_STORE_H_ | 6 #define CHROME_BROWSER_PREFS_VALUE_MAP_PREF_STORE_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
| 10 #include "base/observer_list.h" | 10 #include "base/observer_list.h" |
| 11 #include "chrome/browser/prefs/pref_value_map.h" | 11 #include "chrome/browser/prefs/pref_value_map.h" |
| 12 #include "chrome/common/pref_store.h" | 12 #include "chrome/common/pref_store.h" |
| 13 | 13 |
| 14 // A basic PrefStore implementation that uses a simple name-value map for | 14 // A basic PrefStore implementation that uses a simple name-value map for |
| 15 // storing the preference values. | 15 // storing the preference values. |
| 16 class ValueMapPrefStore : public PrefStore { | 16 class ValueMapPrefStore : public PrefStore { |
| 17 public: | 17 public: |
| 18 typedef std::map<std::string, Value*>::iterator iterator; | 18 typedef std::map<std::string, base::Value*>::iterator iterator; |
| 19 typedef std::map<std::string, Value*>::const_iterator const_iterator; | 19 typedef std::map<std::string, base::Value*>::const_iterator const_iterator; |
| 20 | 20 |
| 21 ValueMapPrefStore(); | 21 ValueMapPrefStore(); |
| 22 virtual ~ValueMapPrefStore(); | 22 virtual ~ValueMapPrefStore(); |
| 23 | 23 |
| 24 // PrefStore overrides: | 24 // PrefStore overrides: |
| 25 virtual ReadResult GetValue(const std::string& key, | 25 virtual ReadResult GetValue(const std::string& key, |
| 26 const Value** value) const; | 26 const base::Value** value) const; |
| 27 virtual void AddObserver(PrefStore::Observer* observer); | 27 virtual void AddObserver(PrefStore::Observer* observer); |
| 28 virtual void RemoveObserver(PrefStore::Observer* observer); | 28 virtual void RemoveObserver(PrefStore::Observer* observer); |
| 29 | 29 |
| 30 iterator begin(); | 30 iterator begin(); |
| 31 iterator end(); | 31 iterator end(); |
| 32 const_iterator begin() const; | 32 const_iterator begin() const; |
| 33 const_iterator end() const; | 33 const_iterator end() const; |
| 34 | 34 |
| 35 protected: | 35 protected: |
| 36 // Store a |value| for |key| in the store. Also generates an notification if | 36 // Store a |value| for |key| in the store. Also generates an notification if |
| 37 // the value changed. Assumes ownership of |value|, which must be non-NULL. | 37 // the value changed. Assumes ownership of |value|, which must be non-NULL. |
| 38 void SetValue(const std::string& key, Value* value); | 38 void SetValue(const std::string& key, base::Value* value); |
| 39 | 39 |
| 40 // Remove the value for |key| from the store. Sends a notification if there | 40 // Remove the value for |key| from the store. Sends a notification if there |
| 41 // was a value to be removed. | 41 // was a value to be removed. |
| 42 void RemoveValue(const std::string& key); | 42 void RemoveValue(const std::string& key); |
| 43 | 43 |
| 44 // Notify observers about the initialization completed event. | 44 // Notify observers about the initialization completed event. |
| 45 void NotifyInitializationCompleted(); | 45 void NotifyInitializationCompleted(); |
| 46 | 46 |
| 47 private: | 47 private: |
| 48 PrefValueMap prefs_; | 48 PrefValueMap prefs_; |
| 49 | 49 |
| 50 ObserverList<PrefStore::Observer, true> observers_; | 50 ObserverList<PrefStore::Observer, true> observers_; |
| 51 | 51 |
| 52 DISALLOW_COPY_AND_ASSIGN(ValueMapPrefStore); | 52 DISALLOW_COPY_AND_ASSIGN(ValueMapPrefStore); |
| 53 }; | 53 }; |
| 54 | 54 |
| 55 #endif // CHROME_BROWSER_PREFS_VALUE_MAP_PREF_STORE_H_ | 55 #endif // CHROME_BROWSER_PREFS_VALUE_MAP_PREF_STORE_H_ |
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