| // Copyright 2021 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef REMOTING_BASE_FILE_HOST_SETTINGS_H_ |
| #define REMOTING_BASE_FILE_HOST_SETTINGS_H_ |
| |
| #include <memory> |
| |
| #include "base/files/file_path.h" |
| #include "base/task/sequenced_task_runner.h" |
| #include "base/values.h" |
| #include "remoting/base/host_settings.h" |
| |
| namespace remoting { |
| |
| // An implementation of HostSettings that reads settings from a JSON file. |
| // Note that this class currently doesn't watch for changes in the file. |
| class FileHostSettings final : public HostSettings { |
| public: |
| static base::FilePath GetSettingsFilePath(); |
| |
| explicit FileHostSettings(const base::FilePath& settings_file); |
| FileHostSettings(const FileHostSettings&) = delete; |
| FileHostSettings& operator=(const FileHostSettings&) = delete; |
| ~FileHostSettings() override; |
| |
| // HostSettings implementation. |
| void InitializeInstance() override; |
| std::string GetString(const HostSettingKey key, |
| const std::string& default_value) const override; |
| void SetString(const HostSettingKey key, const std::string& value) override; |
| |
| private: |
| base::FilePath settings_file_; |
| |
| #if !defined(NDEBUG) |
| // Used to make sure the instance is only used on the same sequenced once |
| // SetString() is called. |
| scoped_refptr<base::SequencedTaskRunner> task_runner_for_checking_sequence_; |
| #endif |
| |
| // TODO(yuweih): This needs to be guarded with a lock if we detect changes of |
| // the settings file. |
| std::optional<base::Value::Dict> settings_; |
| }; |
| |
| } // namespace remoting |
| |
| #endif // REMOTING_BASE_FILE_HOST_SETTINGS_H_ |