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 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 void ValueMapPrefStore::SetValue(const std::string& key, base::Value* value) {
  32   if (prefs_.SetValue(key, value))
  33     FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
  34 }
  35
  36 void ValueMapPrefStore::RemoveValue(const std::string& key) {
  37   if (prefs_.RemoveValue(key))
  38     FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
  39 }
  40
  41 bool ValueMapPrefStore::GetMutableValue(const std::string& key,
  42                                         base::Value** value) {
  43   return prefs_.GetValue(key, value);
  44 }
  45
  46 void ValueMapPrefStore::ReportValueChanged(const std::string& key) {
  47   FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
  48 }
  49
  50 void ValueMapPrefStore::SetValueSilently(const std::string& key,
  51                                          base::Value* value) {
  52   prefs_.SetValue(key, value);
  53 }
  54
  55 ValueMapPrefStore::~ValueMapPrefStore() {}
  56
  57 void ValueMapPrefStore::NotifyInitializationCompleted() {
  58   FOR_EACH_OBSERVER(Observer, observers_, OnInitializationCompleted(true));
  59 }