/home/pete/Work/TSE3.svn/tse3/src/tse3/TempoTrack.h

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/*
 * @(#)TempoTrack.h 3.00 24 May 1999
 *
 * Copyright (c) 2000 Pete Goodliffe (pete@cthree.org)
 *
 * This file is part of TSE3 - the Trax Sequencer Engine version 3.00.
 *
 * This library is modifiable/redistributable under the terms of the GNU
 * General Public License.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; see the file COPYING. If not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

#ifndef TSE3_TEMPOTRACK_H
#define TSE3_TEMPOTRACK_H

#include "tse3/listen/TempoTrack.h"

#include "tse3/Notifier.h"
#include "tse3/Playable.h"
#include "tse3/Serializable.h"
#include "tse3/EventTrack.h"

namespace TSE3
{
    class Tempo
    {
        public:

            Tempo(int t = 120) : tempo(t) {}

            int tempo;

            int operator==(const Tempo &f) const { return tempo == f.tempo; }
    };

    class TempoTrack : public EventTrack<Tempo>,
                       public Serializable
    {
        public:

            TempoTrack();
            virtual ~TempoTrack();

            bool status() const { return _status; }

            void setStatus(bool s) { _status = s; }

            virtual PlayableIterator *iterator(Clock index);

            virtual Clock lastClock() const;

            virtual void save(std::ostream &o, int i) const;

            virtual void load(std::istream &i, SerializableLoadInfo &info);

        private:

            TempoTrack &operator=(const TempoTrack &);
            TempoTrack(const TempoTrack &);

            void loadEvents(std::istream &i, int filePPQN);

            bool _status;
    };
}

#endif

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