- add handle and acknowledge message methods

- channel number is initialized from driver now
- add possibility to use midi view

Lib.Audio/Channel.cs

@@ -9,6 +9,9 @@ using Lib.Audio.Controls.Factories;
 using Lib.Audio.Controls.Interfaces;
 using Lib.Audio.Interfaces;
 using Lib.Driver.Xml;
+using Lib.Midi.Interfaces;
+using Lib.Midi.Messages;
+using Lib.Midi.Messages.Interfaces;
 
 namespace Lib.Audio
 {
@@ -16,17 +19,18 @@ namespace Lib.Audio
     {
         private readonly int _channelNumber;
 
-        public Channel(int channelNumber,
-            XmlChannel xmlChannel,
+        private IMidiMessage? _acknowledgeMessage;
+
+        public Channel(XmlChannel xmlChannel,
             IFaderFactory faderFactory,
             IKnobFactory knobFactory,
             IButtonFactory buttonFactory)
         {
-            _channelNumber = channelNumber;
+            _channelNumber = xmlChannel.ChannelNumber;
 
             if (xmlChannel.Fader != null)
             {
-                Fader = faderFactory.Create();
+                Fader = faderFactory.Create(xmlChannel.Fader);
                 Fader.PositionChanged += OnFaderPositionChanged;
             }
 
@@ -47,6 +51,37 @@ namespace Lib.Audio
         public IControllable? Controllable { get; private set; }
         
         public void AllocateControllable(IControllable controllable) => Controllable = controllable;
+        public void HandleMessage(IMidiMessage message)
+        {
+            if (message is NoteOnMessage noteOnMessage)
+            {
+                if (Fader?.NoteNumber == noteOnMessage.NoteNumber)
+                    Fader.IsTouched = true;
+            }
+            else if (message is NoteMessage noteMessage)
+            {
+                if (Fader?.NoteNumber == noteMessage.NoteNumber)
+                {
+                    Fader.IsTouched = false;
+                    _acknowledgeMessage = new PitchWheelChangeMessage(0, _channelNumber, Fader.Position);
+                }
+            }
+            else if (message is PitchWheelChangeMessage pitchWheelChangeMessage)
+            {
+                if (Fader != null) 
+                    Fader.Position = pitchWheelChangeMessage.Pitch;
+            }
+        }
+
+        public void SendAcknowledge(IMidiCommunication midiCommunication)
+        {
+            if (_acknowledgeMessage == null)
+                return;
+            
+            midiCommunication.Send(_acknowledgeMessage);
+            _acknowledgeMessage = null;
+        }
+
         private void OnFaderPositionChanged(object? sender, float position) => Controllable?.SetVolume(position);
 
         public override string ToString() => $"Channel {_channelNumber}";

Lib.Audio/Device.cs

@@ -9,7 +9,6 @@ using Lib.Audio.Interfaces;
 using Lib.Driver.Interfaces;
 using Lib.Midi.Factories;
 using Lib.Midi.Interfaces;
-using Lib.Midi.Messages;
 using Lib.Midi.Messages.Interfaces;
 
 namespace Lib.Audio
@@ -35,26 +34,16 @@ namespace Lib.Audio
         public string Name => _driver.Name ?? "";
         public List<IChannel> Channels { get; }
         
-        public void StartCommunication()
-        {
-            _midiCommunication.Open();
-            // _midiCommunication.Send(new PitchWheelChangeMessage(5000, 1, 600));
-            _midiCommunication.Send(new ControlChangeMessage(0, 1, 127));
-        }
-
+        public void StartCommunication(bool useMidiView) => _midiCommunication.Open(useMidiView);
         private List<IChannel> InitializeChannels() => _driver.Channels == null ? new List<IChannel>()
-            : _driver.Channels.Select(c => _channelFactory.Create(_driver.Channels.IndexOf(c), c)).ToList();
+            : _driver.Channels.Select(c => _channelFactory.Create(c)).ToList();
 
         private void OnMidiCommunicationMessageReceived(object? sender, IMidiMessage message)
         {
-            int i = 0;
-            if (message is PitchWheelChangeMessage)
-            {
-                i = 1;
-                _midiCommunication.Send(message);
-            }
+            Channels[message.ChannelNumber - 1].HandleMessage(message);
+            Channels[message.ChannelNumber - 1].SendAcknowledge(_midiCommunication);
         }
-        
+
         private void OnMidiCommunicationErrorReceived(object? sender, IMidiMessage message)
         {
             int i = 0;

Lib.Audio/Factories/IChannelFactory.cs

@@ -9,6 +9,6 @@ namespace Lib.Audio.Factories
 {
     public interface IChannelFactory
     {
-        IChannel Create(int channelNumber, XmlChannel xmlChannel);
+        IChannel Create(XmlChannel xmlChannel);
     }
 }

Lib.Audio/Interfaces/IChannel.cs

@@ -5,6 +5,8 @@
 using System.Collections.Generic;
 using Lib.Audio.Controls.Buttons.Interfaces;
 using Lib.Audio.Controls.Interfaces;
+using Lib.Midi.Interfaces;
+using Lib.Midi.Messages.Interfaces;
 
 namespace Lib.Audio.Interfaces
 {
@@ -17,5 +19,7 @@ namespace Lib.Audio.Interfaces
         IControllable? Controllable { get; }
 
         void AllocateControllable(IControllable controllable);
+        void HandleMessage(IMidiMessage message);
+        void SendAcknowledge(IMidiCommunication midiCommunication);
     }
 }

Lib.Audio/Interfaces/IDevice.cs

@@ -11,6 +11,6 @@ namespace Lib.Audio.Interfaces
         string Name { get; }
         List<IChannel> Channels { get; }
 
-        void StartCommunication();
+        void StartCommunication(bool useMidiView);
     }
 }