blob: bd29d719f0daecc8c17c462c0cfa97f12b49e697 [file] [log] [blame]
// Copyright 2019 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 "chrome/browser/chromeos/startup_settings_cache.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/logging.h"
#include "base/path_service.h"
#include "base/values.h"
#include "chrome/common/chrome_paths.h"
namespace chromeos {
namespace startup_settings_cache {
namespace {
// Name of the cache file on disk.
const char kCacheFilename[] = "startup_settings_cache.json";
// JSON dictionary key for application locale (e.g. "ja" or "en_GB").
const char kAppLocaleKey[] = "app_locale";
bool GetCacheFilePath(base::FilePath* path) {
base::FilePath user_data_dir;
if (!base::PathService::Get(chrome::DIR_USER_DATA, &user_data_dir))
return false;
*path = user_data_dir.Append(kCacheFilename);
return true;
} // namespace
std::string ReadAppLocale() {
base::FilePath cache_file;
if (!GetCacheFilePath(&cache_file))
return std::string();
std::string input;
if (!base::ReadFileToString(cache_file, &input))
return std::string();
base::Optional<base::Value> settings = base::JSONReader::Read(input);
if (!settings.has_value())
return std::string();
base::Value* app_locale_setting = settings->FindKey(kAppLocaleKey);
if (!app_locale_setting)
return std::string();
std::string app_locale;
// The locale is already an "actual locale", so this does not need to call
// language::ConvertToActualUILocale().
return app_locale;
void WriteAppLocale(std::string app_locale) {
base::FilePath cache_file;
if (!GetCacheFilePath(&cache_file))
base::Value settings(base::Value::Type::DICTIONARY);
settings.SetKey(kAppLocaleKey, base::Value(app_locale));
std::string output;
if (!base::JSONWriter::Write(settings, &output))
// Ignore errors because we're shutting down and we can't recover.
base::WriteFile(cache_file,, static_cast<int>(output.size()));
} // namespace startup_settings_cache
} // namespace chromeos