base/prefs/testing_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/testing_pref_store.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "base/values.h"
   9
  10 TestingPrefStore::TestingPrefStore()
  11     : read_only_(true),
  12       init_complete_(false) {
  13 }
  14
  15 bool TestingPrefStore::GetValue(const std::string& key,
  16                                 const base::Value** value) const {
  17   return prefs_.GetValue(key, value);
  18 }
  19
  20 bool TestingPrefStore::GetMutableValue(const std::string& key,
  21                                        base::Value** value) {
  22   return prefs_.GetValue(key, value);
  23 }
  24
  25 void TestingPrefStore::AddObserver(PrefStore::Observer* observer) {
  26   observers_.AddObserver(observer);
  27 }
  28
  29 void TestingPrefStore::RemoveObserver(PrefStore::Observer* observer) {
  30   observers_.RemoveObserver(observer);
  31 }
  32
  33 size_t TestingPrefStore::NumberOfObservers() const {
  34   return observers_.size();
  35 }
  36
  37 bool TestingPrefStore::IsInitializationComplete() const {
  38   return init_complete_;
  39 }
  40
  41 void TestingPrefStore::SetValue(const std::string& key, base::Value* value) {
  42   if (prefs_.SetValue(key, value))
  43     NotifyPrefValueChanged(key);
  44 }
  45
  46 void TestingPrefStore::SetValueSilently(const std::string& key,
  47                                         base::Value* value) {
  48   prefs_.SetValue(key, value);
  49 }
  50
  51 void TestingPrefStore::RemoveValue(const std::string& key) {
  52   if (prefs_.RemoveValue(key))
  53     NotifyPrefValueChanged(key);
  54 }
  55
  56 void TestingPrefStore::MarkNeedsEmptyValue(const std::string& key) {
  57 }
  58
  59 bool TestingPrefStore::ReadOnly() const {
  60   return read_only_;
  61 }
  62
  63 PersistentPrefStore::PrefReadError TestingPrefStore::GetReadError() const {
  64   return PersistentPrefStore::PREF_READ_ERROR_NONE;
  65 }
  66
  67 PersistentPrefStore::PrefReadError TestingPrefStore::ReadPrefs() {
  68   NotifyInitializationCompleted();
  69   return PersistentPrefStore::PREF_READ_ERROR_NONE;
  70 }
  71
  72 void TestingPrefStore::ReadPrefsAsync(ReadErrorDelegate* error_delegate_raw) {
  73   scoped_ptr<ReadErrorDelegate> error_delegate(error_delegate_raw);
  74   NotifyInitializationCompleted();
  75 }
  76
  77 void TestingPrefStore::SetInitializationCompleted() {
  78   init_complete_ = true;
  79   NotifyInitializationCompleted();
  80 }
  81
  82 void TestingPrefStore::NotifyPrefValueChanged(const std::string& key) {
  83   FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
  84 }
  85
  86 void TestingPrefStore::NotifyInitializationCompleted() {
  87   FOR_EACH_OBSERVER(Observer, observers_, OnInitializationCompleted(true));
  88 }
  89
  90 void TestingPrefStore::ReportValueChanged(const std::string& key) {
  91   FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
  92 }
  93
  94 void TestingPrefStore::SetString(const std::string& key,
  95                                  const std::string& value) {
  96   SetValue(key, new base::StringValue(value));
  97 }
  98
  99 void TestingPrefStore::SetInteger(const std::string& key, int value) {
 100   SetValue(key, new base::FundamentalValue(value));
 101 }
 102
 103 void TestingPrefStore::SetBoolean(const std::string& key, bool value) {
 104   SetValue(key, new base::FundamentalValue(value));
 105 }
 106
 107 bool TestingPrefStore::GetString(const std::string& key,
 108                                  std::string* value) const {
 109   const base::Value* stored_value;
 110   if (!prefs_.GetValue(key, &stored_value) || !stored_value)
 111     return false;
 112
 113   return stored_value->GetAsString(value);
 114 }
 115
 116 bool TestingPrefStore::GetInteger(const std::string& key, int* value) const {
 117   const base::Value* stored_value;
 118   if (!prefs_.GetValue(key, &stored_value) || !stored_value)
 119     return false;
 120
 121   return stored_value->GetAsInteger(value);
 122 }
 123
 124 bool TestingPrefStore::GetBoolean(const std::string& key, bool* value) const {
 125   const base::Value* stored_value;
 126   if (!prefs_.GetValue(key, &stored_value) || !stored_value)
 127     return false;
 128
 129   return stored_value->GetAsBoolean(value);
 130 }
 131
 132 void TestingPrefStore::set_read_only(bool read_only) {
 133   read_only_ = read_only;
 134 }
 135
 136 TestingPrefStore::~TestingPrefStore() {}