public void AttachListener(IMidiListener listener)
{
if (listener != null)
{
_listeners.Add(new WeakReference <IMidiListener>(listener));
}
}
public Midi(IMidiListener midiListener)
{
this.midiListener = midiListener;
midiInProc = new NativeMethods.MidiInProc(MidiProc);
midiInHandle = IntPtr.Zero;
midiOutHandle = IntPtr.Zero;
}
public Midi(IMidiListener midiListener)
{
this.midiListener = midiListener;
midiInProc = new NativeMethods.MidiInProc(MidiProc);
midiInHandle = IntPtr.Zero;
midiOutHandle = IntPtr.Zero;
}
public void DetachListener(IMidiListener listener)
{
foreach (WeakReference <IMidiListener> wr in _listeners.ToArray())
{
IMidiListener candidate;
if (!wr.TryGetTarget(out candidate))
{
_listeners.Remove(wr);
}
else if (candidate == listener)
{
_listeners.Remove(wr);
}
}
}
public void RepublishState(IMidiListener toListener = null)
{
// This does not include active notes
// Messages that came in on the OMNI channel have already been distributed to each cache
// Messages that came in on individual channels have all been distributed to the omni cache as well.
IEnumerable <IMidiListener> listeners;
if (toListener == null)
{
listeners = GetListeners();
}
else
{
listeners = new[] { toListener }
};
foreach (IMidiListener listener in listeners)
{
MidiPerformance cache;
if (_localPerformanceCache.TryGetValue(listener.Channel, out cache))
{
listener.HandleChannelPressure((int)cache.Pressure, cache.Channel);
listener.HandlePitchWheel((int)cache.PitchBend, cache.Channel);
listener.HandleControlChange((int)MidiController.Modulation, (int)cache.Modulation, cache.Channel);
listener.HandleControlChange((int)MidiController.Modulation, (int)cache.Modulation, cache.Channel);
listener.HandleControlChange((int)MidiController.BreathController, (int)cache.BreathController, cache.Channel);
listener.HandleControlChange((int)MidiController.MainVolume, (int)cache.Volume, cache.Channel);
listener.HandleControlChange((int)MidiController.Pan, (int)cache.Pan, cache.Channel);
listener.HandleControlChange((int)MidiController.Expression, (int)cache.Expression, cache.Channel);
listener.HandleControlChange((int)MidiController.Sustain, cache.HoldPedal ? 127 : 0, cache.Channel);
listener.HandleControlChange((int)MidiController.Portamento, cache.Portamento ? 127 : 0, cache.Channel);
listener.HandleControlChange((int)MidiController.Sostenuto, cache.SustenutoPedal ? 127 : 0, cache.Channel);
listener.HandleControlChange((int)MidiController.SoftPedal, cache.SoftPedal ? 127 : 0, cache.Channel);
listener.HandleControlChange((int)MidiController.LegatoFootswitch, cache.Legato ? 127 : 0, cache.Channel);
}
}
}
