/* * 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_state.h,v 1.11 2007/02/12 14:14:45 jackjansen Exp $  */#ifndef AMBULANT_SMIL2_TIME_STATE_H#define AMBULANT_SMIL2_TIME_STATE_H#include "ambulant/config/config.h"#include "ambulant/smil2/smil_time.h"#include "ambulant/smil2/time_attrs.h"namespace ambulant {namespace smil2 {enum time_state_type { 	ts_reset,	ts_proactive, 	ts_active, 	ts_postactive, 	ts_dead};const char* time_state_str(time_state_type state);class time_node;class time_state : public time_traits {  public:	time_state(time_node *tn);	virtual ~time_state(){}		virtual void enter(qtime_type timestamp) {}	virtual void sync_update(qtime_type timestamp);	virtual void kill(qtime_type timestamp, time_node *oproot);	virtual void reset(qtime_type timestamp, time_node *oproot);	virtual void exit(qtime_type timestamp, time_node *oproot);	virtual time_state_type ident() = 0;	virtual const char* name() const = 0;	virtual char sig() const = 0;  protected:	void report_state(qtime_type timestamp);	void report_state();	time_node *m_self;		// store refs to simplify code layout	// these are shared variables between the states	// and the time_node. 	interval_type& m_interval;	bool& m_active;	bool& m_needs_remove;	time_type& m_last_cdur;	time_type& m_rad;	time_type& m_pad;	long& m_precounter;	time_type& m_impldur;	const time_attrs& m_attrs;};class reset_state : public time_state {  public:	reset_state(time_node *tn)	:	time_state(tn) {}	virtual ~reset_state(){}		virtual void enter(qtime_type timestamp);	virtual void sync_update(qtime_type timestamp);	virtual void exit(qtime_type timestamp, time_node *oproot);	virtual time_state_type ident() { return ts_reset;}	virtual const char* name() const { return "reset";}	virtual char sig() const { return 'r';}};class proactive_state : public time_state {  public:	proactive_state(time_node *tn)	:	time_state(tn) {}	virtual ~proactive_state(){}		virtual void enter(qtime_type timestamp);	virtual void sync_update(qtime_type timestamp);	virtual void kill(qtime_type timestamp, time_node *oproot);	virtual void reset(qtime_type timestamp, time_node *oproot);	 	virtual void exit(qtime_type timestamp, time_node *oproot);	virtual time_state_type ident() { return ts_proactive;}	virtual const char* name() const { return "proactive";}	virtual char sig() const { return 'e';}  private:	void on_sync_update(qtime_type timestamp);  };class active_state : public time_state {  public:	active_state(time_node *tn)	:	time_state(tn) {}	virtual ~active_state(){}		virtual void enter(qtime_type timestamp);	virtual void sync_update(qtime_type timestamp);	virtual void kill(qtime_type timestamp, time_node *oproot);	virtual void reset(qtime_type timestamp, time_node *oproot);	 	virtual void exit(qtime_type timestamp, time_node *oproot);	virtual time_state_type ident() { return ts_active;}	virtual const char* name() const { return "active";}	virtual char sig() const { return 'a';}};class postactive_state : public time_state {  public:	postactive_state(time_node *tn) 	:	time_state(tn) {}	virtual ~postactive_state(){}		virtual void enter(qtime_type timestamp);	virtual void sync_update(qtime_type timestamp); 	virtual void kill(qtime_type timestamp, time_node *oproot);	virtual void reset(qtime_type timestamp, time_node *oproot);	 	virtual void exit(qtime_type timestamp, time_node *oproot);	virtual time_state_type ident() { return ts_postactive;}	virtual const char* name() const { return "postactive";}	virtual char sig() const { return 'c';}};class dead_state : public time_state {  public:	dead_state(time_node *tn)	:	time_state(tn) {}	virtual ~dead_state(){}		virtual void enter(qtime_type timestamp);	virtual void kill(qtime_type timestamp, time_node *oproot);	virtual void reset(qtime_type timestamp, time_node *oproot);	 	virtual void exit(qtime_type timestamp, time_node *oproot);	virtual time_state_type ident() { return ts_dead;}	virtual const char* name() const { return "dead";}	virtual char sig() const { return 'd';}};} // namespace smil2 } // namespace ambulant#endif // AMBULANT_SMIL2_TIME_STATE_H