SlotConnectionBase.hpp

/* ***** BEGIN LICENSE BLOCK *****
 * FW4SPL - Copyright (C) IRCAD, 2009-2015.
 * Distributed under the terms of the GNU Lesser General Public License (LGPL) as
 * published by the Free Software Foundation.
 * ****** END LICENSE BLOCK ****** */
#ifndef __FWCOM_SLOTCONNECTIONBASE_HPP__
#define __FWCOM_SLOTCONNECTIONBASE_HPP__

#include <fwCore/BaseObject.hpp>

#include "fwCom/config.hpp"

namespace fwCom
{

struct SlotConnectionBase : virtual fwCore::BaseObject
{
    typedef std::shared_ptr< SlotConnectionBase > sptr;
    typedef std::shared_ptr< SlotConnectionBase const > csptr;
    typedef std::weak_ptr< SlotConnectionBase > wptr;
    typedef std::weak_ptr< SlotConnectionBase const > cwptr;

    typedef std::shared_ptr< void > BlockerSptrType;
    typedef std::weak_ptr< void >   BlockerWptrType;
    SlotConnectionBase()
    {
    }

    virtual void disconnect() = 0;

    virtual BlockerSptrType getBlocker() = 0;

    protected:

        SlotConnectionBase( const SlotConnectionBase& );

        SlotConnectionBase& operator=( const SlotConnectionBase& );

        template < typename F >
        friend struct Signal;
        virtual void disconnectWeakLock() = 0;


        virtual void connectNoLock() = 0;
};

} // namespace fwCom

#endif /* __FWCOM_SLOTCONNECTIONBASE_HPP__ */