cef/libcef/browser/prefs/pref_store.cc

212 lines
5.9 KiB
C++

// 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 "libcef/browser/prefs/pref_store.h"
#include <memory>
#include <utility>
#include "base/memory/ptr_util.h"
#include "base/values.h"
CefPrefStore::CefPrefStore()
: 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 CefPrefStore::GetValue(const std::string& key,
const base::Value** value) const {
return prefs_.GetValue(key, value);
}
std::unique_ptr<base::DictionaryValue> CefPrefStore::GetValues() const {
return prefs_.AsDictionaryValue();
}
bool CefPrefStore::GetMutableValue(const std::string& key,
base::Value** value) {
return prefs_.GetValue(key, value);
}
void CefPrefStore::AddObserver(PrefStore::Observer* observer) {
observers_.AddObserver(observer);
}
void CefPrefStore::RemoveObserver(PrefStore::Observer* observer) {
observers_.RemoveObserver(observer);
}
bool CefPrefStore::HasObservers() const {
return !observers_.empty();
}
bool CefPrefStore::IsInitializationComplete() const {
return init_complete_;
}
void CefPrefStore::SetValue(const std::string& key,
std::unique_ptr<base::Value> value,
uint32_t flags) {
if (prefs_.SetValue(key, base::Value::FromUniquePtrValue(std::move(value)))) {
committed_ = false;
NotifyPrefValueChanged(key);
}
}
void CefPrefStore::SetValueSilently(const std::string& key,
std::unique_ptr<base::Value> value,
uint32_t flags) {
if (prefs_.SetValue(key, base::Value::FromUniquePtrValue(std::move(value))))
committed_ = false;
}
void CefPrefStore::RemoveValuesByPrefixSilently(const std::string& prefix) {
prefs_.ClearWithPrefix(prefix);
committed_ = false;
}
void CefPrefStore::RemoveValue(const std::string& key, uint32_t flags) {
if (prefs_.RemoveValue(key)) {
committed_ = false;
NotifyPrefValueChanged(key);
}
}
bool CefPrefStore::ReadOnly() const {
return read_only_;
}
PersistentPrefStore::PrefReadError CefPrefStore::GetReadError() const {
return read_error_;
}
PersistentPrefStore::PrefReadError CefPrefStore::ReadPrefs() {
NotifyInitializationCompleted();
return read_error_;
}
void CefPrefStore::ReadPrefsAsync(ReadErrorDelegate* error_delegate) {
DCHECK(!pending_async_read_);
error_delegate_.reset(error_delegate);
if (block_async_read_)
pending_async_read_ = true;
else
NotifyInitializationCompleted();
}
void CefPrefStore::CommitPendingWrite(
base::OnceClosure done_callback,
base::OnceClosure synchronous_done_callback) {
committed_ = true;
PersistentPrefStore::CommitPendingWrite(std::move(done_callback),
std::move(synchronous_done_callback));
}
void CefPrefStore::SchedulePendingLossyWrites() {}
void CefPrefStore::ClearMutableValues() {
NOTIMPLEMENTED();
}
void CefPrefStore::OnStoreDeletionFromDisk() {}
void CefPrefStore::SetInitializationCompleted() {
NotifyInitializationCompleted();
}
void CefPrefStore::NotifyPrefValueChanged(const std::string& key) {
for (Observer& observer : observers_)
observer.OnPrefValueChanged(key);
}
void CefPrefStore::NotifyInitializationCompleted() {
DCHECK(!init_complete_);
init_complete_ = true;
if (read_success_ && read_error_ != PREF_READ_ERROR_NONE && error_delegate_)
error_delegate_->OnError(read_error_);
for (Observer& observer : observers_)
observer.OnInitializationCompleted(read_success_);
}
void CefPrefStore::ReportValueChanged(const std::string& key, uint32_t flags) {
for (Observer& observer : observers_)
observer.OnPrefValueChanged(key);
}
void CefPrefStore::SetString(const std::string& key, const std::string& value) {
SetValue(key, std::make_unique<base::Value>(value), DEFAULT_PREF_WRITE_FLAGS);
}
void CefPrefStore::SetInteger(const std::string& key, int value) {
SetValue(key, std::make_unique<base::Value>(value), DEFAULT_PREF_WRITE_FLAGS);
}
void CefPrefStore::SetBoolean(const std::string& key, bool value) {
SetValue(key, std::make_unique<base::Value>(value), DEFAULT_PREF_WRITE_FLAGS);
}
bool CefPrefStore::GetString(const std::string& key, std::string* value) const {
const base::Value* stored_value;
if (!prefs_.GetValue(key, &stored_value) || !stored_value)
return false;
if (value && stored_value->is_string()) {
*value = stored_value->GetString();
return true;
}
return stored_value->is_string();
}
bool CefPrefStore::GetInteger(const std::string& key, int* value) const {
const base::Value* stored_value;
if (!prefs_.GetValue(key, &stored_value) || !stored_value)
return false;
if (value && stored_value->is_int()) {
*value = stored_value->GetInt();
return true;
}
return stored_value->is_int();
}
bool CefPrefStore::GetBoolean(const std::string& key, bool* value) const {
const base::Value* stored_value;
if (!prefs_.GetValue(key, &stored_value) || !stored_value)
return false;
if (value && stored_value->is_bool()) {
*value = stored_value->GetBool();
return true;
}
return stored_value->is_bool();
}
void CefPrefStore::SetBlockAsyncRead(bool block_async_read) {
DCHECK(!init_complete_);
block_async_read_ = block_async_read;
if (pending_async_read_ && !block_async_read_)
NotifyInitializationCompleted();
}
void CefPrefStore::set_read_only(bool read_only) {
read_only_ = read_only;
}
void CefPrefStore::set_read_success(bool read_success) {
DCHECK(!init_complete_);
read_success_ = read_success;
}
void CefPrefStore::set_read_error(
PersistentPrefStore::PrefReadError read_error) {
DCHECK(!init_complete_);
read_error_ = read_error;
}
CefPrefStore::~CefPrefStore() {}