private bool TryConnect(MsHidDeviceInfo hidDeviceInfo, out ReportWiimote wiimote)
{
Stream hidStream;
if (UseSetOutputReport)
{
hidStream = new MsHidSetOutputReportStream(hidDeviceInfo.DevicePath);
}
else
{
hidStream = new MsHidStream(hidDeviceInfo.DevicePath);
}
try
{
wiimote = new ReportWiimote(hidDeviceInfo, hidStream);
wiimote.Initialize();
}
catch (TimeoutException)
{
hidStream.Dispose();
wiimote = null;
return(false);
}
catch (Exception)
{
hidStream.Dispose();
throw;
}
return(true);
}
public IDevice Connect(IDeviceInfo deviceInfo)
{
MsHidDeviceInfo hidDeviceInfo = deviceInfo as MsHidDeviceInfo;
if (hidDeviceInfo == null)
{
throw new ArgumentException("The specified DeviceInfo does not belong to this DeviceProvider.", "deviceInfo");
}
ReportWiimote wiimote;
if (!TryConnect(hidDeviceInfo, out wiimote))
{
UseSetOutputReport = !UseSetOutputReport;
if (!TryConnect(hidDeviceInfo, out wiimote))
{
throw new DeviceConnectException("Both methods of connecting timed out.");
}
}
wiimote.Disconnected += device_Disconnected;
ConnectedDevices.Add(wiimote);
MsHidDeviceProviderHelper.SetDevicePathConnected(hidDeviceInfo.DevicePath, true);
OnDeviceConnected(new DeviceEventArgs(wiimote));
return(wiimote);
}
void device_Disconnected(object sender, EventArgs e)
{
ReportWiimote wiimote = (ReportWiimote)sender;
MsHidDeviceInfo deviceInfo = (MsHidDeviceInfo)wiimote.DeviceInfo;
wiimote.Disconnected -= device_Disconnected;
ConnectedDevices.Remove(wiimote);
MsHidDeviceProviderHelper.SetDevicePathConnected(deviceInfo.DevicePath, false);
OnDeviceDisconnected(new DeviceEventArgs(wiimote));
}
public void Update()
{
if (IsDiscovering)
{
throw new InvalidOperationException("This provider is already discovering.");
}
_IsDiscovering = true;
List <string> devicePaths = new List <string>(MsHidDeviceProviderHelper.GetWiiDevicePaths());
foreach (string devicePath in devicePaths)
{
if (!_FoundDevices.ContainsKey(devicePath))
{
MsHidDeviceInfo deviceInfo = new MsHidDeviceInfo(devicePath);
_FoundDevices.Add(devicePath, deviceInfo);
OnDeviceFound(new DeviceInfoEventArgs(deviceInfo));
}
}
if (devicePaths.Count < _FoundDevices.Count)
{
List <string> devicesToBeRemoved = new List <string>();
foreach (KeyValuePair <string, IDeviceInfo> pair in _FoundDevices)
{
if (!devicePaths.Contains(pair.Key))
{
devicesToBeRemoved.Add(pair.Key);
}
}
foreach (string devicePathToBeRemoved in devicesToBeRemoved)
{
OnDeviceLost(new DeviceInfoEventArgs(_FoundDevices[devicePathToBeRemoved]));
_FoundDevices.Remove(devicePathToBeRemoved);
}
}
_IsDiscovering = false;
}
