root/base/prefs/testing_pref_store.cc

DEFINITIONS

1. committed_
2. GetValue
3. GetMutableValue
4. AddObserver
5. RemoveObserver
6. HasObservers
7. IsInitializationComplete
8. SetValue
9. SetValueSilently
10. RemoveValue
11. ReadOnly
12. GetReadError
13. ReadPrefs
14. ReadPrefsAsync
15. CommitPendingWrite
16. SetInitializationCompleted
17. NotifyPrefValueChanged
18. NotifyInitializationCompleted
19. ReportValueChanged
20. SetString
21. SetInteger
22. SetBoolean
23. GetString
24. GetInteger
25. GetBoolean
26. SetBlockAsyncRead
27. set_read_only
28. set_read_success
29. set_read_error

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/prefs/testing_pref_store.h"

#include "base/memory/scoped_ptr.h"
#include "base/values.h"

TestingPrefStore::TestingPrefStore()
    : read_only_(true),
      read_success_(true),
      read_error_(PersistentPrefStore::PREF_READ_ERROR_NONE),
      block_async_read_(false),
      pending_async_read_(false),
      init_complete_(false),
      committed_(true) {}

bool TestingPrefStore::GetValue(const std::string& key,
                                const base::Value** value) const {
  return prefs_.GetValue(key, value);
}

bool TestingPrefStore::GetMutableValue(const std::string& key,
                                       base::Value** value) {
  return prefs_.GetValue(key, value);
}

void TestingPrefStore::AddObserver(PrefStore::Observer* observer) {
  observers_.AddObserver(observer);
}

void TestingPrefStore::RemoveObserver(PrefStore::Observer* observer) {
  observers_.RemoveObserver(observer);
}

bool TestingPrefStore::HasObservers() const {
  return observers_.might_have_observers();
}

bool TestingPrefStore::IsInitializationComplete() const {
  return init_complete_;
}

void TestingPrefStore::SetValue(const std::string& key, base::Value* value) {
  if (prefs_.SetValue(key, value)) {
    committed_ = false;
    NotifyPrefValueChanged(key);
  }
}

void TestingPrefStore::SetValueSilently(const std::string& key,
                                        base::Value* value) {
  if (prefs_.SetValue(key, value))
    committed_ = false;
}

void TestingPrefStore::RemoveValue(const std::string& key) {
  if (prefs_.RemoveValue(key)) {
    committed_ = false;
    NotifyPrefValueChanged(key);
  }
}

bool TestingPrefStore::ReadOnly() const {
  return read_only_;
}

PersistentPrefStore::PrefReadError TestingPrefStore::GetReadError() const {
  return read_error_;
}

PersistentPrefStore::PrefReadError TestingPrefStore::ReadPrefs() {
  NotifyInitializationCompleted();
  return read_error_;
}

void TestingPrefStore::ReadPrefsAsync(ReadErrorDelegate* error_delegate) {
  DCHECK(!pending_async_read_);
  error_delegate_.reset(error_delegate);
  if (block_async_read_)
    pending_async_read_ = true;
  else
    NotifyInitializationCompleted();
}

void TestingPrefStore::CommitPendingWrite() { committed_ = true; }

void TestingPrefStore::SetInitializationCompleted() {
  NotifyInitializationCompleted();
}

void TestingPrefStore::NotifyPrefValueChanged(const std::string& key) {
  FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
}

void TestingPrefStore::NotifyInitializationCompleted() {
  DCHECK(!init_complete_);
  init_complete_ = true;
  if (read_success_ && read_error_ != PREF_READ_ERROR_NONE && error_delegate_)
    error_delegate_->OnError(read_error_);
  FOR_EACH_OBSERVER(
      Observer, observers_, OnInitializationCompleted(read_success_));
}

void TestingPrefStore::ReportValueChanged(const std::string& key) {
  FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
}

void TestingPrefStore::SetString(const std::string& key,
                                 const std::string& value) {
  SetValue(key, new base::StringValue(value));
}

void TestingPrefStore::SetInteger(const std::string& key, int value) {
  SetValue(key, new base::FundamentalValue(value));
}

void TestingPrefStore::SetBoolean(const std::string& key, bool value) {
  SetValue(key, new base::FundamentalValue(value));
}

bool TestingPrefStore::GetString(const std::string& key,
                                 std::string* value) const {
  const base::Value* stored_value;
  if (!prefs_.GetValue(key, &stored_value) || !stored_value)
    return false;

  return stored_value->GetAsString(value);
}

bool TestingPrefStore::GetInteger(const std::string& key, int* value) const {
  const base::Value* stored_value;
  if (!prefs_.GetValue(key, &stored_value) || !stored_value)
    return false;

  return stored_value->GetAsInteger(value);
}

bool TestingPrefStore::GetBoolean(const std::string& key, bool* value) const {
  const base::Value* stored_value;
  if (!prefs_.GetValue(key, &stored_value) || !stored_value)
    return false;

  return stored_value->GetAsBoolean(value);
}

void TestingPrefStore::SetBlockAsyncRead(bool block_async_read) {
  DCHECK(!init_complete_);
  block_async_read_ = block_async_read;
  if (pending_async_read_ && !block_async_read_)
    NotifyInitializationCompleted();
}

void TestingPrefStore::set_read_only(bool read_only) {
  read_only_ = read_only;
}

void TestingPrefStore::set_read_success(bool read_success) {
  DCHECK(!init_complete_);
  read_success_ = read_success;
}

void TestingPrefStore::set_read_error(
    PersistentPrefStore::PrefReadError read_error) {
  DCHECK(!init_complete_);
  read_error_ = read_error;
}

TestingPrefStore::~TestingPrefStore() {}