SlotRun.hpp

/* ***** BEGIN LICENSE BLOCK *****
 * FW4SPL - Copyright (C) IRCAD, 2009-2017.
 * Distributed under the terms of the GNU Lesser General Public License (LGPL) as
 * published by the Free Software Foundation.
 * ****** END LICENSE BLOCK ****** */
#ifndef __FWCOM_SLOTRUN_HPP__
#define __FWCOM_SLOTRUN_HPP__

#include "fwCom/SlotBase.hpp"

#include <functional>
#include <set>

namespace fwThread
{
class Worker;
}

namespace fwCom
{

template< typename F >
struct SlotRun;

template< typename ... A >
struct SlotRun< void (A ...) > : SlotBase
{

    typedef void SignatureType (A ...);
    typedef SlotRun< SignatureType > SelfType;
    typedef SPTR ( SelfType ) sptr;
    typedef WPTR ( SelfType ) wptr;
    SlotRun() :
        SlotBase( sizeof ... (A) )
    {
    }

    virtual void run(A ... a) const = 0;

    virtual SlotBase::VoidSharedFutureType asyncRun( const SPTR(::fwThread::Worker)& worker, A ... args ) const;

    virtual SlotBase::VoidSharedFutureType asyncRun(A ... args) const;

    protected:

        template< typename R, typename WEAKCALL >
        static std::shared_future< R > postWeakCall( const SPTR(::fwThread::Worker)& worker, WEAKCALL f );

        virtual std::function< void() > bindRun( A ... args  ) const;

};

} // namespace fwCom

#endif /* __FWCOM_SLOTRUN_HPP__ */