static bool TryGetOldPortArgs(PortRegistrationEventArgs args, out ConnectionEventArgs eventArgs)
{
eventArgs = new ConnectionEventArgs {
MessageType = MessageType.Change
};
JackPort oldPort = PortMapper.FirstOrDefault (map => map.PortReference == args.Port);
if (oldPort == null) {
return false;
}
List<Port> ports = new List<Port> ();
ports.Add (oldPort);
eventArgs.Connectables = ports;
eventArgs.ChangeType = ChangeType.Deleted;
eventArgs.ConnectionType = oldPort.ConnectionType;
PortMapper.Remove (oldPort);
eventArgs.Message = "Port unregistered.";
return true;
}
static void OnPortRegistration(object sender, PortRegistrationEventArgs args)
{
ConnectionEventArgs eventArgs = null;
if (args.ChangeType == JackSharp.Events.ChangeType.New) {
eventArgs = GetNewPortArgs (args);
} else if (args.ChangeType == JackSharp.Events.ChangeType.Deleted) {
if (!TryGetOldPortArgs (args, out eventArgs)) {
return;
}
} else if (args.ChangeType == JackSharp.Events.ChangeType.Renamed) {
JackPort oldPort = PortMapper.FirstOrDefault (map => map.PortReference == args.Port);
if (oldPort == null) {
// Cannot find it, treat is as new
eventArgs = GetNewPortArgs (args);
} else {
eventArgs = GetRenamedPortArgs (args, oldPort);
}
}
if (PortOrConnectionHasChanged != null && eventArgs != null) {
PortOrConnectionHasChanged (null, eventArgs);
}
}
static ConnectionEventArgs GetNewPortArgs(PortRegistrationEventArgs args)
{
ConnectionEventArgs eventArgs = new ConnectionEventArgs {
MessageType = MessageType.Change
};
var newPort = AddNewJackPort (args.Port);
eventArgs.Message = "New port registered.";
eventArgs.ChangeType = ChangeType.New;
List<IConnectable> clients = new List<IConnectable> ();
Client newClient = new Client (newPort.ClientName, newPort.FlowDirection, newPort.ConnectionType);
eventArgs.ConnectionType = newClient.ConnectionType;
newClient.AddPort (newPort);
clients.Add (newClient);
eventArgs.Connectables = clients;
return eventArgs;
}
static ConnectionEventArgs GetRenamedPortArgs(PortRegistrationEventArgs args, JackPort oldPort)
{
ConnectionEventArgs eventArgs = new ConnectionEventArgs {
MessageType = MessageType.Change
};
PortMapper.Remove (oldPort);
JackPort port = AddNewJackPort (args.Port);
eventArgs.Connectables = new List<Port> { port };
eventArgs.ChangeType = ChangeType.Content;
eventArgs.ConnectionType = port.ConnectionType;
eventArgs.Message = "Port renamed.";
return eventArgs;
}
public void PortChanged(object sender, PortRegistrationEventArgs e)
{
switch (e.ChangeType) {
case ChangeType.New:
_ports.Add (e.Port);
PortsFound++;
if (e.Port.IsPhysicalPort) {
PhysicalPortsFound++;
}
break;
case ChangeType.Deleted:
_ports.Remove (e.Port);
PortsFound--;
if (e.Port.IsPhysicalPort) {
PhysicalPortsFound--;
}
break;
}
}
