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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 
ValueMapPrefStore()12 ValueMapPrefStore::ValueMapPrefStore() {}
13 
GetValue(const std::string & key,const base::Value ** value) const14 bool ValueMapPrefStore::GetValue(const std::string& key,
15                                  const base::Value** value) const {
16   return prefs_.GetValue(key, value);
17 }
18 
AddObserver(PrefStore::Observer * observer)19 void ValueMapPrefStore::AddObserver(PrefStore::Observer* observer) {
20   observers_.AddObserver(observer);
21 }
22 
RemoveObserver(PrefStore::Observer * observer)23 void ValueMapPrefStore::RemoveObserver(PrefStore::Observer* observer) {
24   observers_.RemoveObserver(observer);
25 }
26 
HasObservers() const27 bool ValueMapPrefStore::HasObservers() const {
28   return observers_.might_have_observers();
29 }
30 
SetValue(const std::string & key,base::Value * value)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 
RemoveValue(const std::string & key)36 void ValueMapPrefStore::RemoveValue(const std::string& key) {
37   if (prefs_.RemoveValue(key))
38     FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
39 }
40 
GetMutableValue(const std::string & key,base::Value ** value)41 bool ValueMapPrefStore::GetMutableValue(const std::string& key,
42                                         base::Value** value) {
43   return prefs_.GetValue(key, value);
44 }
45 
ReportValueChanged(const std::string & key)46 void ValueMapPrefStore::ReportValueChanged(const std::string& key) {
47   FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
48 }
49 
SetValueSilently(const std::string & key,base::Value * value)50 void ValueMapPrefStore::SetValueSilently(const std::string& key,
51                                          base::Value* value) {
52   prefs_.SetValue(key, value);
53 }
54 
~ValueMapPrefStore()55 ValueMapPrefStore::~ValueMapPrefStore() {}
56 
NotifyInitializationCompleted()57 void ValueMapPrefStore::NotifyInitializationCompleted() {
58   FOR_EACH_OBSERVER(Observer, observers_, OnInitializationCompleted(true));
59 }
60