/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     snd_MmlSequenceTrackAllocator.h

  Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Revision: 19566 $
 *---------------------------------------------------------------------------*/

#ifndef NW_SND_MML_SEQUENCE_TRACK_ALLOCATOR_H_
#define NW_SND_MML_SEQUENCE_TRACK_ALLOCATOR_H_

#include <nw/snd/snd_SequenceTrackAllocator.h>
#include <nw/snd/snd_MmlSequenceTrack.h>
#include <nw/snd/snd_InstancePool.h>

namespace nw {
namespace snd {
namespace internal {
namespace driver {

class MmlParser;

/* ========================================================================
        class difinition
   ======================================================================== */

class MmlSequenceTrackAllocator : public SequenceTrackAllocator
{
    typedef InstancePool<MmlSequenceTrack> MmlSequenceTrackPool;

  public:
    MmlSequenceTrackAllocator( MmlParser* parser ) : m_pParser( parser ) {}
    void SetMmlParser( MmlParser* parser ) { m_pParser = parser; }
    MmlParser* GetMmlParser() { return m_pParser; }
    virtual SequenceTrack* AllocTrack( SequenceSoundPlayer* player );
    virtual void FreeTrack( SequenceTrack* track );
    virtual int GetAllocatableTrackCount() const { return m_TrackPool.Count(); }

    unsigned long Create( void* buffer, unsigned long size );
    void Destroy( void* buffer, unsigned long size );

  private:
    MmlParser* m_pParser;
    MmlSequenceTrackPool m_TrackPool;
};

} // namespace nw::snd::internal::driver
} // namespace nw::snd::internal
} // namespace nw::snd
} // namespace nw


#endif /* NW_SND_MML_SEQUENCE_TRACK_ALLOCATOR_H_ */