MSXEventDistributor.hh

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#ifndef MSXEVENTDISTRIBUTOR_HH
#define MSXEVENTDISTRIBUTOR_HH

#include "EmuTime.hh"
#include <memory>
#include <vector>

namespace openmsx {

class MSXEventListener;
class Event;

class MSXEventDistributor
{
public:
        using EventPtr = std::shared_ptr<const Event>;

        MSXEventDistributor(const MSXEventDistributor&) = delete;
        MSXEventDistributor& operator=(const MSXEventDistributor&) = delete;

        MSXEventDistributor() = default;
        ~MSXEventDistributor();

        void registerEventListener(MSXEventListener& listener);

        void unregisterEventListener(MSXEventListener& listener);

        void distributeEvent(const EventPtr& event, EmuTime::param time);

private:
        bool isRegistered(MSXEventListener* listener) const;

        std::vector<MSXEventListener*> listeners; // unordered
};

} // namespace openmsx

#endif