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 3// found in the LICENSE file. 4 5#include "chrome/browser/extensions/extension_pref_store.h" 6 7#include "base/values.h" 8#include "chrome/browser/extensions/extension_pref_value_map.h" 9 10ExtensionPrefStore::ExtensionPrefStore( 11 ExtensionPrefValueMap* extension_pref_value_map, 12 bool incognito_pref_store) 13 : extension_pref_value_map_(extension_pref_value_map), 14 incognito_pref_store_(incognito_pref_store) { 15 extension_pref_value_map_->AddObserver(this); 16} 17 18ExtensionPrefStore::~ExtensionPrefStore() { 19 if (extension_pref_value_map_) 20 extension_pref_value_map_->RemoveObserver(this); 21} 22 23void ExtensionPrefStore::OnInitializationCompleted() { 24 NotifyInitializationCompleted(); 25} 26 27void ExtensionPrefStore::OnPrefValueChanged(const std::string& key) { 28 CHECK(extension_pref_value_map_); 29 const Value *winner = 30 extension_pref_value_map_->GetEffectivePrefValue(key, 31 incognito_pref_store_, 32 NULL); 33 if (winner) 34 SetValue(key, winner->DeepCopy()); 35 else 36 RemoveValue(key); 37} 38 39void ExtensionPrefStore::OnExtensionPrefValueMapDestruction() { 40 CHECK(extension_pref_value_map_); 41 extension_pref_value_map_->RemoveObserver(this); 42 extension_pref_value_map_ = NULL; 43} 44