/* * This file is part of Ambulant Player, www.ambulantplayer.org. * * Copyright (C) 2003-2007 Stichting CWI,  * Kruislaan 413, 1098 SJ Amsterdam, The Netherlands. * * Ambulant Player is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * Ambulant Player 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Ambulant Player; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA *//*  * @$Id: time_calc.h,v 1.5 2007/02/12 14:14:45 jackjansen Exp $  */#ifndef AMBULANT_SMIL2_TIME_CALC_H#define AMBULANT_SMIL2_TIME_CALC_H#include "ambulant/config/config.h"#include "ambulant/smil2/time_attrs.h"namespace ambulant {namespace smil2 {class time_calc : public time_traits {  public:	time_calc(schedulable *tn);		interval_type calc_first_interval(time_mset& begin_list, time_mset& end_list, 		time_type begin_before);			interval_type calc_next_interval(time_mset& begin_list, time_mset& end_list, 		time_type begin_before, time_type begin_after, bool prev_was_zero_dur);		// Calculates the simple duration of this node	time_type calc_dur();		// Calculates the active duration (AD) of this node	// Uses simple duration calculation: calc_dur()	time_type calc_ad(time_type b, time_type e);	time_type calc_ad(time_type b);		// AD helpers	time_type calc_preliminary_ad(time_type b, time_type e);	time_type calc_intermediate_ad();	time_type calc_active_rad();	time_type calc_preliminary_ad(time_type b);		time_type calc_end(time_type b, time_type e);	time_type calc_end(time_type b);		time_type time_manipulated(time_type d) const;		// Calculates and returns the current inteval end.	// This uses calc_ad() function.	time_type calc_interval_end(interval_type& i, time_mset& end_list);		void set_paused_mode(bool b) { m_paused = b;}		bool uses_dur() const { return m_uses_dur;}  private:	schedulable *m_tn;	const time_attrs& m_attrs;	bool m_paused;	bool m_uses_dur;	static lib::logger *clogger;};} // namespace smil2 } // namespace ambulant#endif // AMBULANT_SMIL2_TIME_CALC_H