#ifndef SPEEDMANAGER_HH

#define SPEEDMANAGER_HH

#include "BooleanSetting.hh"

#include "FloatSetting.hh"

#include "Subject.hh"

namespace openmsx {

class CommandController;

/**

 * Manages the desired ratio between EmuTime and real time.

 * Currently this just republishes the value of the "speed" setting.

 */

class SpeedManager final : public Subject<SpeedManager>

                         , private Observer<Setting>

{

public:

	explicit SpeedManager(CommandController& commandController);

	~SpeedManager();

	/**

	 * Return the desired ratio between EmuTime and real time.

	 */

	[[nodiscard]] double getSpeed() const { return speed; }

	[[nodiscard]] auto& getSpeedSetting()            { return speedSetting; }

	[[nodiscard]] auto& getFastForwardSetting()      { return fastforwardSetting; }

	[[nodiscard]] auto& getFastForwardSpeedSetting() { return fastforwardSpeedSetting; }

private:

	void updateSpeed();

	// Observer<Setting>

	void update(const Setting& setting) noexcept override;

private:

	FloatSetting speedSetting;

	FloatSetting fastforwardSpeedSetting;

	BooleanSetting fastforwardSetting;

	double speed = 1.0;

};

} // namespace openmsx

#endif