YiSignalEmitEvent.h

Go to the documentation of this file.

// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_SIGNAL_EMIT_EVENT_H_
#define _YI_SIGNAL_EMIT_EVENT_H_

#ifndef _YI_SIGNAL_H_
#error "Do not include YiSignalEmitEvent.h directly. Include YiSignal.h or YiSignalBaseEmitEvent.h instead."
#endif

#include "event/YiSignalBaseEmitEvent.h"
#include "utility/YiTypeTraits.h"

template<typename... SignalTypes>
class CYISignalEmitEvent : public CYISignalBaseEmitEvent
{
public:
    CYISignal<SignalTypes...> Signal;

    CYISignalEmitEvent(const SignalTypes &... args) :
        m_args(args...)
    {
    }

    virtual void Emit() override
    {
        Emit(typename YiMakeIndexSequence<sizeof...(SignalTypes)>::type());
    }

private:
    template<int... S>
    inline void Emit(YiIndexSequence<S...>)
    {
        Signal.Emit(std::get<S>(std::move(m_args))...);
    }

    std::tuple<typename std::remove_reference<SignalTypes>::type...> m_args;
};

#endif /* _YI_SIGNAL_EMIT_EVENT_H_ */