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 #include "base/prefs/value_map_pref_store.h" 6 7 #include <algorithm> 8 9 #include "base/stl_util.h" 10 #include "base/values.h" 11 12 ValueMapPrefStore::ValueMapPrefStore() {} 13 14 bool ValueMapPrefStore::GetValue(const std::string& key, 15 const base::Value** value) const { 16 return prefs_.GetValue(key, value); 17 } 18 19 void ValueMapPrefStore::AddObserver(PrefStore::Observer* observer) { 20 observers_.AddObserver(observer); 21 } 22 23 void ValueMapPrefStore::RemoveObserver(PrefStore::Observer* observer) { 24 observers_.RemoveObserver(observer); 25 } 26 27 bool ValueMapPrefStore::HasObservers() const { 28 return observers_.might_have_observers(); 29 } 30 31 ValueMapPrefStore::~ValueMapPrefStore() {} 32 33 void ValueMapPrefStore::SetValue(const std::string& key, base::Value* value) { 34 if (prefs_.SetValue(key, value)) 35 FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key)); 36 } 37 38 void ValueMapPrefStore::RemoveValue(const std::string& key) { 39 if (prefs_.RemoveValue(key)) 40 FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key)); 41 } 42 43 void ValueMapPrefStore::NotifyInitializationCompleted() { 44 FOR_EACH_OBSERVER(Observer, observers_, OnInitializationCompleted(true)); 45 } 46