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