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/*
Copyright (C) 2006,2007 John Anderson
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef surface_port_h
#define surface_port_h
#include <glibmm/thread.h>
#include "pbd/signals.h"
#include "midi_byte_array.h"
#include "types.h"
namespace MIDI {
class Port;
}
namespace Mackie
{
/**
Make a relationship between a midi port and a Mackie device.
*/
class SurfacePort
{
public:
SurfacePort( MIDI::Port & port, int number );
virtual ~SurfacePort();
// when this is successful, active() should return true
virtual void open() = 0;
// subclasses should call this before doing their own close
virtual void close() = 0;
/// read bytes from the port. They'll either end up in the
/// parser, or if that's not active they'll be returned
virtual MidiByteArray read();
/// an easier way to output bytes via midi
virtual void write( const MidiByteArray & );
/// write a sysex message
void write_sysex( const MidiByteArray & mba );
void write_sysex( MIDI::byte msg );
/// return the correct sysex header for this port
virtual const MidiByteArray & sysex_hdr() const = 0;
MIDI::Port & port() { return *_port; }
const MIDI::Port & port() const { return *_port; }
// all control notofications are sent from here
PBD::Signal3<void,SurfacePort &, Control &, const ControlState &> control_event;
// emitted just before the port goes into initialisation
// where it tries to establish that its device is connected
PBD::Signal0<void> init_event;
// emitted when the port completes initialisation successfully
PBD::Signal0<void> active_event;
// emitted when the port goes inactive (ie a read or write failed)
PBD::Signal0<void> inactive_event;
// the port number - master is 0(extenders are 1((,4
virtual int number() const { return _number; }
// number of strips handled by this port. Usually 8.
virtual int strips() const = 0;
virtual bool active() const { return _active; }
virtual void active( bool yn ) { _active = yn; }
protected:
/// Only for use by DummyPort
SurfacePort();
private:
MIDI::Port * _port;
int _number;
bool _active;
Glib::RecMutex _rwlock;
};
std::ostream & operator << ( std::ostream & , const SurfacePort & port );
}
#endif
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