/*
    Copyright (C) 2009 Paul Davis

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef __libardour_session_handle_h__
#define __libardour_session_handle_h__

#include "pbd/signals.h"

#include "ardour/libardour_visibility.h"

namespace ARDOUR {
	class Session;

class LIBARDOUR_API SessionHandleRef : public PBD::ScopedConnectionList
{
  public:
	SessionHandleRef (ARDOUR::Session& s);
	virtual ~SessionHandleRef ();

  protected:
	ARDOUR::Session&          _session;
	virtual void session_going_away ();
	virtual void insanity_check ();
};

class LIBARDOUR_API SessionHandlePtr
{
  public:
	SessionHandlePtr (ARDOUR::Session* s);
	SessionHandlePtr () : _session (0) {}
	virtual ~SessionHandlePtr () {}

	virtual void set_session (ARDOUR::Session *);
	virtual ARDOUR::Session* session() const { return _session; }

  protected:
	ARDOUR::Session*          _session;
	PBD::ScopedConnectionList _session_connections;

	virtual void session_going_away ();
};

} /* namespace */

#endif /* __libardour_session_handle_h__ */