base/prefs/value_map_pref_store.cc

   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 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 size_t ValueMapPrefStore::NumberOfObservers() const {
  28   return observers_.size();
  29 }
  30
  31 ValueMapPrefStore::~ValueMapPrefStore() {}
  32
  33 void ValueMapPrefStore::SetValue(const std::string& key, 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 }