value_map_pref_store.cc revision 424c4d7b64af9d0d8fd9624f381f469654d5e3d2 
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
12ValueMapPrefStore::ValueMapPrefStore() {}
13
14bool ValueMapPrefStore::GetValue(const std::string& key,
15                                 const base::Value** value) const {
16  return prefs_.GetValue(key, value);
17}
18
19void ValueMapPrefStore::AddObserver(PrefStore::Observer* observer) {
20  observers_.AddObserver(observer);
21}
22
23void ValueMapPrefStore::RemoveObserver(PrefStore::Observer* observer) {
24  observers_.RemoveObserver(observer);
25}
26
27bool ValueMapPrefStore::HasObservers() const {
28  return observers_.might_have_observers();
29}
30
31ValueMapPrefStore::~ValueMapPrefStore() {}
32
33void 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
38void ValueMapPrefStore::RemoveValue(const std::string& key) {
39  if (prefs_.RemoveValue(key))
40    FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
41}
42
43void ValueMapPrefStore::NotifyInitializationCompleted() {
44  FOR_EACH_OBSERVER(Observer, observers_, OnInitializationCompleted(true));
45}
46