gxMidiConnector.h

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/*  Copyright (C) 2005  Guido Simone
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.

 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef GXLIB_GXMIDICONNECTOR_H
#define GXLIB_GXMIDICONNECTOR_H

#include "../gxAudioFilterVisitor.h"
class gxAudioGraph;
class gxAudioPin;

class gxMidiConnector  : public gxAudioFilterVisitor
{
public:
   gxMidiConnector(gxAudioGraph * graph, const char * groupName);
   virtual ~gxMidiConnector();

   virtual int connect();
   virtual int disconnect();
   virtual bool visit( gxAudioFilter * filter );
   virtual bool visitPin( gxAudioFilter * filter, gxAudioPin * pin );

   // helper functions
        static bool isMidiInput( gxAudioPin * pin );
        static bool isMidiOutput( gxAudioPin * pin );
   static gxAudioPin * getMidiPin( gxAudioFilter * filter, int midiIndex, bool isInput );
private:
   int internalConnect();
   int internalDisconnect();
   gxAudioGraph * m_graph;
   std::string m_groupName;

   typedef std::list<gxAudioPin *> pins_t;
   pins_t m_outputPins;
   pins_t m_inputPins;

   gxMidiConnector( const gxMidiConnector & rhs);
   gxMidiConnector & operator=( const gxMidiConnector & rhs);
};


#endif

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