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/*
* Copyright (c) 2010-2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#pragma once
#include <string>
#include <vector>
#include <boost/signals2.hpp>
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::signals2::signal<void (const std::string& /*Setting's Path*/)> onSettingChanged;
};
}
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