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 3// found in the LICENSE file. 4 5#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_PREF_STORE_H_ 6#define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREF_STORE_H_ 7 8#include <string> 9 10#include "base/prefs/value_map_pref_store.h" 11#include "chrome/browser/extensions/extension_pref_value_map.h" 12 13// A (non-persistent) PrefStore implementation that holds effective preferences 14// set by extensions. These preferences are managed by and fetched from an 15// ExtensionPrefValueMap. 16class ExtensionPrefStore : public ValueMapPrefStore, 17 public ExtensionPrefValueMap::Observer { 18 public: 19 // Constructs an ExtensionPrefStore for a regular or an incognito profile. 20 ExtensionPrefStore(ExtensionPrefValueMap* extension_pref_value_map, 21 bool incognito_pref_store); 22 23 // Overrides for ExtensionPrefValueMap::Observer: 24 virtual void OnInitializationCompleted() OVERRIDE; 25 virtual void OnPrefValueChanged(const std::string& key) OVERRIDE; 26 virtual void OnExtensionPrefValueMapDestruction() OVERRIDE; 27 28 protected: 29 virtual ~ExtensionPrefStore(); 30 31 private: 32 ExtensionPrefValueMap* extension_pref_value_map_; // Weak pointer. 33 bool incognito_pref_store_; 34 35 DISALLOW_COPY_AND_ASSIGN(ExtensionPrefStore); 36}; 37 38#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREF_STORE_H_ 39