/* * Copyright (c) 2010-2012 Remko Tronçon * Licensed under the GNU General Public License v3. * See Documentation/Licenses/GPLv3.txt for more information. */ #pragma once #include <Swiften/Base/boost_bsignals.h> #include <string> #include <vector> namespace Swift { class SettingsProvider { public: template <typename T> class Setting { public: Setting(const std::string& key, const T& defaultValue) : key(key), defaultValue(defaultValue) { } const std::string& getKey() const { return key; } const T& getDefaultValue() const { return defaultValue; } private: std::string key; T defaultValue; }; public: virtual ~SettingsProvider() {} virtual std::string getSetting(const Setting<std::string>& setting) = 0; virtual void storeSetting(const Setting<std::string>& setting, const std::string& value) = 0; virtual bool getSetting(const Setting<bool>& setting) = 0; virtual void storeSetting(const Setting<bool>& setting, const bool& value) = 0; virtual int getSetting(const Setting<int>& setting) = 0; virtual void storeSetting(const Setting<int>& setting, const int& value) = 0; virtual std::vector<std::string> getAvailableProfiles() = 0; virtual void createProfile(const std::string& profile) = 0; virtual void removeProfile(const std::string& profile) = 0; /** A final setting is one that this settings provider says may not be overriden by lower priority profiles. * e.g. An Administrator-set configuration to disallow saving user passwords could not be overridden by the user. */ template<typename T> bool getIsSettingFinal(const Setting<T>& setting) { return getIsSettingFinal(setting.getKey()); } virtual bool hasSetting(const std::string& key) = 0; friend class SettingsProviderHierachy; protected: virtual bool getIsSettingFinal(const std::string& settingPath) = 0; public: /** * Emitted when a setting is changed. */ boost::signal<void (const std::string& /*Setting's Path*/)> onSettingChanged; }; }