#ifndef _MIDIHEADER_HPP_
#define _MIDIHEADER_HPP_
#include <string.h>
#include <common/windows.hpp>
#include <common/memfile.hpp>

class MidiHeader
{
public:
	MidiHeader(void);
  MidiHeader(const MidiHeader &someMidiHeader);
	~MidiHeader();
  MidiHeader &operator=(const MidiHeader &someMidiHeader);
	WORD readHeader(MemFile &midiFile);
  WORD writeHeader(MemFile &midiFile);
	DWORD lengthData(void)const;
	void smfType(USHORT smfType);
	USHORT smfType(void)const;
	USHORT tracks(void)const;
	void tracks(USHORT tracks);
	void deltaTempo(USHORT deltaTempo);
	USHORT deltaTempo(void)const;
private:
	enum {MaxHeaderIDLength=4,SingleTrack=0,MultiTrack=1,Sequential=2,DefaultTempo=136};
	char mHeader[MaxHeaderIDLength];
	DWORD mLengthData;
	USHORT mSMFType;
	USHORT mTracks;
	USHORT mDeltaTempo;
  String mHeaderString;
};

inline
MidiHeader::MidiHeader(void)
: mLengthData(0L), mSMFType(MultiTrack), mTracks(0), mDeltaTempo(DefaultTempo),
	mHeaderString("MThd")
{
	mLengthData=sizeof(*this)-(sizeof(mLengthData)+sizeof(mHeader)+sizeof(mHeaderString));
}

inline
MidiHeader::~MidiHeader()
{
}

inline
DWORD MidiHeader::lengthData(void)const
{
  return mLengthData;
}

inline
USHORT MidiHeader::smfType(void)const
{
  return mSMFType;
}

inline
void MidiHeader::smfType(USHORT smfType)
{
  mSMFType=smfType;
}

inline
USHORT MidiHeader::tracks(void)const
{
	return mTracks;
}

inline
void MidiHeader::tracks(USHORT tracks)
{
  mTracks=tracks;
}

inline
USHORT MidiHeader::deltaTempo(void)const
{
  return mDeltaTempo;
}

inline
void MidiHeader::deltaTempo(USHORT deltaTempo)
{
  mDeltaTempo=deltaTempo;
}

inline
MidiHeader::MidiHeader(const MidiHeader &someMidiHeader)
{
  *this=someMidiHeader;
}
#endif