1// Copyright (c) 2013 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 "android_webview/browser/aw_pref_store.h"
6
7#include "base/memory/scoped_ptr.h"
8#include "base/values.h"
9
10AwPrefStore::AwPrefStore() {}
11
12AwPrefStore::~AwPrefStore() {}
13
14bool AwPrefStore::GetValue(const std::string& key,
15                                const Value** value) const {
16  return prefs_.GetValue(key, value);
17}
18
19bool AwPrefStore::GetMutableValue(const std::string& key,
20                                       Value** value) {
21  return prefs_.GetValue(key, value);
22}
23
24void AwPrefStore::AddObserver(PrefStore::Observer* observer) {
25  observers_.AddObserver(observer);
26}
27
28void AwPrefStore::RemoveObserver(PrefStore::Observer* observer) {
29  observers_.RemoveObserver(observer);
30}
31
32size_t AwPrefStore::NumberOfObservers() const {
33  return observers_.size();
34}
35
36bool AwPrefStore::IsInitializationComplete() const {
37  return true;
38}
39
40void AwPrefStore::SetValue(const std::string& key, Value* value) {
41  DCHECK(value);
42  if (prefs_.SetValue(key, value))
43      ReportValueChanged(key);
44}
45
46void AwPrefStore::SetValueSilently(const std::string& key, Value* value) {
47  prefs_.SetValue(key, value);
48}
49
50void AwPrefStore::RemoveValue(const std::string& key) {
51  if (prefs_.RemoveValue(key))
52    ReportValueChanged(key);
53}
54
55void AwPrefStore::MarkNeedsEmptyValue(const std::string& key) {
56}
57
58bool AwPrefStore::ReadOnly() const {
59  return false;
60}
61
62PersistentPrefStore::PrefReadError AwPrefStore::GetReadError() const {
63  return PersistentPrefStore::PREF_READ_ERROR_NONE;
64}
65
66PersistentPrefStore::PrefReadError AwPrefStore::ReadPrefs() {
67  return PersistentPrefStore::PREF_READ_ERROR_NONE;
68}
69
70void AwPrefStore::ReadPrefsAsync(ReadErrorDelegate* error_delegate_raw) {
71}
72
73void AwPrefStore::ReportValueChanged(const std::string& key) {
74  FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
75}
76