* Copyright 2013, Rene Gollent, rene@gollent.com.
* Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#ifndef SETTINGS_H
#define SETTINGS_H
#include <Locker.h>
#include <Message.h>
#include <ObjectList.h>
#include <Referenceable.h>
#include <Variant.h>
#include "Setting.h"
class SettingsDescription;
class Settings : public BReferenceable {
public:
class Listener;
public:
Settings(SettingsDescription* description);
virtual ~Settings();
status_t Init();
bool Lock() { return fLock.Lock(); }
void Unlock() { fLock.Unlock(); }
SettingsDescription* Description() const { return fDescription; }
const BMessage& Message() const { return fValues; }
BVariant Value(Setting* setting) const;
BVariant Value(const char* settingID) const;
bool SetValue(Setting* setting,
const BVariant& value);
bool RestoreValues(const BMessage& message);
bool BoolValue(BoolSetting* setting) const
{ return Value(setting).ToBool(); }
SettingsOption* OptionValue(OptionsSetting* setting) const;
BVariant RangeValue(RangeSetting* setting) const
{ return Value(setting); }
bool AddListener(Listener* listener);
void RemoveListener(Listener* listener);
private:
typedef BObjectList<Listener> ListenerList;
private:
mutable BLocker fLock;
SettingsDescription* fDescription;
BMessage fValues;
ListenerList fListeners;
};
class Settings::Listener {
public:
virtual ~Listener();
virtual void SettingValueChanged(Setting* setting) = 0;
};
#endif
