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 Value** value) const {
  17   return prefs_.GetValue(key, value);
  18 }
  19
  20 bool TestingPrefStore::GetMutableValue(const std::string& key,
  21                                        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, Value* value) {
  42   if (prefs_.SetValue(key, value))
  43     NotifyPrefValueChanged(key);
  44 }
  45
  46 void TestingPrefStore::SetValueSilently(const std::string& key, Value* value) {
  47   prefs_.SetValue(key, value);
  48 }
  49
  50 void TestingPrefStore::RemoveValue(const std::string& key) {
  51   if (prefs_.RemoveValue(key))
  52     NotifyPrefValueChanged(key);
  53 }
  54
  55 void TestingPrefStore::MarkNeedsEmptyValue(const std::string& key) {
  56 }
  57
  58 bool TestingPrefStore::ReadOnly() const {
  59   return read_only_;
  60 }
  61
  62 PersistentPrefStore::PrefReadError TestingPrefStore::GetReadError() const {
  63   return PersistentPrefStore::PREF_READ_ERROR_NONE;
  64 }
  65
  66 PersistentPrefStore::PrefReadError TestingPrefStore::ReadPrefs() {
  67   NotifyInitializationCompleted();
  68   return PersistentPrefStore::PREF_READ_ERROR_NONE;
  69 }
  70
  71 void TestingPrefStore::ReadPrefsAsync(ReadErrorDelegate* error_delegate_raw) {
  72   scoped_ptr<ReadErrorDelegate> error_delegate(error_delegate_raw);
  73   NotifyInitializationCompleted();
  74 }
  75
  76 void TestingPrefStore::SetInitializationCompleted() {
  77   init_complete_ = true;
  78   NotifyInitializationCompleted();
  79 }
  80
  81 void TestingPrefStore::NotifyPrefValueChanged(const std::string& key) {
  82   FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
  83 }
  84
  85 void TestingPrefStore::NotifyInitializationCompleted() {
  86   FOR_EACH_OBSERVER(Observer, observers_, OnInitializationCompleted(true));
  87 }
  88
  89 void TestingPrefStore::ReportValueChanged(const std::string& key) {
  90   FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
  91 }
  92
  93 void TestingPrefStore::SetString(const std::string& key,
  94                                  const std::string& value) {
  95   SetValue(key, new base::StringValue(value));
  96 }
  97
  98 void TestingPrefStore::SetInteger(const std::string& key, int value) {
  99   SetValue(key, new base::FundamentalValue(value));
 100 }
 101
 102 void TestingPrefStore::SetBoolean(const std::string& key, bool value) {
 103   SetValue(key, new base::FundamentalValue(value));
 104 }
 105
 106 bool TestingPrefStore::GetString(const std::string& key,
 107                                  std::string* value) const {
 108   const Value* stored_value;
 109   if (!prefs_.GetValue(key, &stored_value) || !stored_value)
 110     return false;
 111
 112   return stored_value->GetAsString(value);
 113 }
 114
 115 bool TestingPrefStore::GetInteger(const std::string& key, int* value) const {
 116   const Value* stored_value;
 117   if (!prefs_.GetValue(key, &stored_value) || !stored_value)
 118     return false;
 119
 120   return stored_value->GetAsInteger(value);
 121 }
 122
 123 bool TestingPrefStore::GetBoolean(const std::string& key, bool* value) const {
 124   const Value* stored_value;
 125   if (!prefs_.GetValue(key, &stored_value) || !stored_value)
 126     return false;
 127
 128   return stored_value->GetAsBoolean(value);
 129 }
 130
 131 void TestingPrefStore::set_read_only(bool read_only) {
 132   read_only_ = read_only;
 133 }
 134
 135 TestingPrefStore::~TestingPrefStore() {}