SpeedManager.hh

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#ifndef SPEEDMANAGER_HH
#define SPEEDMANAGER_HH
 
#include "Subject.hh"
#include "BooleanSetting.hh"
#include "FloatSetting.hh"
 
namespace openmsx {
 
class CommandController;
 
class SpeedManager final : public Subject<SpeedManager>
                         , private Observer<Setting>
{
public:
        explicit SpeedManager(CommandController& commandController);
        ~SpeedManager();
 
        [[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