Pluggable.hh

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#ifndef PLUGGABLE_HH
#define PLUGGABLE_HH
 
#include "EmuTime.hh"
#include <string_view>
 
namespace openmsx {
 
class Connector;
 
class Pluggable
{
public:
        virtual ~Pluggable() = default;
 
        [[nodiscard]] virtual std::string_view getName() const;
 
        [[nodiscard]] virtual std::string_view getClass() const = 0;
 
        [[nodiscard]] virtual std::string_view getDescription() const = 0;
 
        void plug(Connector& connector, EmuTime::param time);
 
        void unplug(EmuTime::param time);
 
        [[nodiscard]] Connector* getConnector() const { return connector; }
 
        [[nodiscard]] bool isPluggedIn() const { return getConnector() != nullptr; }
 
protected:
        Pluggable();
        virtual void plugHelper(Connector& newConnector, EmuTime::param time) = 0;
        /* implementations of unplugHelper() may not throw exceptions. */
        virtual void unplugHelper(EmuTime::param time) = 0;
 
        friend class Connector; // for de-serialization
        void setConnector(Connector* conn) { connector = conn; }
 
private:
        Connector* connector;
};
 
} // namespace openmsx
 
#endif