/// <summary>
/// Raises <see cref="TheEyeTribeSettingsDialog" /> to change the settings
/// for this interface.
/// </summary>
public override void ChangeSettings()
{
var dlg = new TheEyeTribeSettingsDialog {
TheEyeTribeSettings = this.theEyeTribeSettings
};
switch (dlg.ShowDialog())
{
case DialogResult.OK:
var oldServerStartParams = this.theEyeTribeSettings.ServerStartParams;
this.theEyeTribeSettings = dlg.TheEyeTribeSettings;
this.SerializeSettings(this.theEyeTribeSettings, this.SettingsFile);
if (this.theEyeTribeSettings.ServerStartParams != oldServerStartParams)
{
// Need to restart the eye tribe server if it is running
if (IOHelpers.IsProcessOpen("EyeTribe"))
{
this.KillEyeTribeProcess();
// Now restart
this.StartEyeTribeProcess();
}
}
break;
}
}
///////////////////////////////////////////////////////////////////////////////
// Public methods //
///////////////////////////////////////////////////////////////////////////////
#region PUBLICMETHODS
/// <summary>
/// Checks if the alea tracker is available in the system.
/// </summary>
/// <param name="errorMessage">Out. A <see cref="String"/> with an error message.</param>
/// <returns><strong>True</strong>, if Alea tracker with intelligaze
/// is available in the system, otherwise <strong>false</strong></returns>
public static TrackerStatus IsAvailable(out string errorMessage)
{
// Check intelligaze process
if (!IOHelpers.IsProcessOpen("IntelliGaze"))
{
const string FILENAME = "Intelligaze.exe";
// Intelligaze not open. Try to open
string fullpath = GetIntelligazePath();
if (fullpath.Length == 0 || !new FileInfo(fullpath + "\\" + FILENAME).Exists)
{
errorMessage = "Can't find Intelligaze folder. Maybe Intelligaze is not installed or installation is corrupted." + Environment.NewLine + "Please reinstall Intelligaze.";
return(TrackerStatus.NotAvailable);
}
}
// search ActiveX Control
Type statusControlType = Type.GetTypeFromProgID("ALEA.HeadDisplayCtrl", false);
if (statusControlType == null)
{
errorMessage = "The Alea ActiveX Control is not registered. Please reinstall Intelligaze.";
return(TrackerStatus.NotAvailable);
}
// do some further registry checks
string aleaCLSID = '{' + statusControlType.GUID.ToString().ToLower() + '}';
RegistryKey clsid = Registry.ClassesRoot.OpenSubKey("CLSID");
string[] clsIDs = clsid.GetSubKeyNames();
for (int i = 0; i < clsIDs.Length; i++)
{
if (clsIDs[i].ToLower() == aleaCLSID)
{
errorMessage = "Intelligaze found.";
return(TrackerStatus.Available);
}
}
errorMessage = "The Alea ActiveX Control is not registered. Please reinstall Intelligaze.";
return(TrackerStatus.NotAvailable);
}
///////////////////////////////////////////////////////////////////////////////
// Methods //
///////////////////////////////////////////////////////////////////////////////
#region METHODS
/// <summary>
/// Checks if the mirametrix tracker is available in the system.
/// </summary>
/// <param name="errorMessage">Out. A <see cref="String"/> with an error message.</param>
/// <returns><strong>True</strong>, if Mirametrix tracker
/// is available in the system, otherwise <strong>false</strong></returns>
public static TrackerStatus IsAvailable(out string errorMessage)
{
// Check Mirametrix process
if (!IOHelpers.IsProcessOpen("tracker"))
{
if (!IOHelpers.IsApplicationInstalled("Mirametrix"))
{
errorMessage = "Can't find Mirametrix S2 Eye Tracker on this computer. Maybe Mirametrix S2 Eye Tracker is not installed or installation is corrupted." + Environment.NewLine + "Please reinstall Mirametrix S2 Eye Tracker.";
return(TrackerStatus.NotAvailable);
}
errorMessage = "Warning : Mirametrix S2 Eye tracker does not seem to be connected on this computer. Please connect Mirametrix S2 Eye tracker.";
return(TrackerStatus.NotAvailable);
}
errorMessage = "Mirametrix S2 installed on this computer.";
return(TrackerStatus.Available);
}
///////////////////////////////////////////////////////////////////////////////
// Methods //
///////////////////////////////////////////////////////////////////////////////
#region METHODS
/// <summary>
/// Checks if the Gazepoint tracker is available in the system.
/// </summary>
/// <param name="errorMessage">Out. A <see cref="String"/> with an error message.</param>
/// <returns><strong>True</strong>, if Gazepoint tracker
/// is available in the system, otherwise <strong>false</strong></returns>
public static TrackerStatus IsAvailable(out string errorMessage)
{
// Check Gazepoint process
if (!IOHelpers.IsProcessOpen("Gazepoint"))
{
if (!IOHelpers.IsApplicationInstalled("Gazepoint"))
{
errorMessage = "Can't find Gazepoint GP3 Eye Tracker on this computer. Maybe Gazepoint GP3 Eye Tracker is not installed or installation is corrupted." + Environment.NewLine + "Please reinstall Gazepoint GP3 Eye Tracker.";
return(TrackerStatus.NotAvailable);
}
errorMessage = "Warning: Gazepoint GP3 Eye tracker does not seem to be connected on this computer. Please connect Gazepoint GP3 Eye tracker.";
return(TrackerStatus.Undetermined);
}
errorMessage = "Gazepoint GP3 Eye Tracker found on this computer.";
return(TrackerStatus.Available);
}
/// <summary>
/// Connects the tracker.
/// </summary>
/// <returns>
/// <strong>True</strong> if connection succeded, otherwise
/// <strong>false</strong>.
/// </returns>
public override bool Connect()
{
try
{
// Start the eye tribe server
if (!IOHelpers.IsProcessOpen("EyeTribe"))
{
this.StartEyeTribeProcess();
}
else
{
InformationDialog.Show(
"EyeTribe server is running",
"The eye tribe server is already running, so we connect to this instance. Please note: it may be using a different tracking rate than specified in the settings tab.",
false,
MessageBoxIcon.Information);
}
// Connect client
if (!GazeManager.Instance.Activate(GazeManager.ApiVersion.VERSION_1_0, GazeManager.ClientMode.Push))
{
throw new Exception("Could not connect to the eye tribe tracker, please start the server manually and try again.");
}
//this.eyeTribeTrackStatus.Connect();
// Register this class for events
GazeManager.Instance.AddGazeListener(this);
//GazeManager.Instance.AddTrackerStateListener(this);
}
catch (Exception ex)
{
var dlg = new ConnectionFailedDialog {
ErrorMessage = ex.Message
};
dlg.ShowDialog();
this.CleanUp();
return(false);
}
return(true);
}
/// <summary>
/// Connect to the alea system.
/// </summary>
/// <returns><strong>True</strong> if connection succeded, otherwise
/// <strong>false</strong>.</returns>
public override bool Connect()
{
// Check intelligaze process
if (!IOHelpers.IsProcessOpen("IntelliGaze"))
{
const string FILENAME = "Intelligaze.exe";
// Intelligaze not open. Try to open
string fullpath = GetIntelligazePath();
if (fullpath.Length == 0 || !new FileInfo(fullpath + "\\" + FILENAME).Exists)
{
ConnectionFailedDialog dlg = new ConnectionFailedDialog();
dlg.ErrorMessage = "Can't find Intelligaze folder. Maybe Intelligaze is not installed or installation is corrupted." + Environment.NewLine + "Please reinstall Intelligaze.";
dlg.ShowDialog();
return(false);
}
// Start Intelligaze with background param
Process process = new Process();
process.StartInfo.WorkingDirectory = fullpath;
process.StartInfo.FileName = FILENAME;
process.StartInfo.Arguments = "background";
process.StartInfo.UseShellExecute = true;
if (!process.Start())
{
ConnectionFailedDialog dlg = new ConnectionFailedDialog();
dlg.ErrorMessage = "Can't start Intelligaze Process.";
dlg.ShowDialog();
return(false);
}
}
bool isOpen;
ApiError result = this.api.IsOpen(out isOpen);
// API open?
if (result != ApiError.NoError)
{
ConnectionFailedDialog dlg = new ConnectionFailedDialog();
string errorMessage;
this.api.GetLastError(out errorMessage);
if (errorMessage.Length == 0)
{
errorMessage = "Intelligaze Error: Method IsOpen" + Environment.NewLine + result.ToString();
}
dlg.ErrorMessage = errorMessage;
dlg.ShowDialog();
this.CleanUp();
return(false);
}
if (!isOpen)
{
// API is not open ... try to open API
Stopwatch timeoutStopwatch = new Stopwatch();
// Timeout is 20 seconds
timeoutStopwatch.Start();
do
{
// Try to open API
result = this.api.Open("(ogama)=2", this.Settings.ServerAddress, this.Settings.ServerPort, this.Settings.ClientAddress, this.Settings.ClientPort);
}while (result != ApiError.NoError && timeoutStopwatch.ElapsedMilliseconds < 20000);
timeoutStopwatch.Stop();
if (result != ApiError.NoError)
{
ConnectionFailedDialog dlg = new ConnectionFailedDialog();
string errorMessage;
this.api.GetLastError(out errorMessage);
if (errorMessage.Length == 0)
{
errorMessage = "Intelligaze Error: Can't open API." + Environment.NewLine + "Reason: " + result.ToString();
}
dlg.ErrorMessage = errorMessage;
dlg.ShowDialog();
this.CleanUp();
return(false);
}
}
// Register Callbacks
this.api.SetCalibrationDoneCB(Marshal.GetFunctionPointerForDelegate(APICalibrationDone).ToInt32(), IntPtr.Zero);
this.api.SetRawDataCB(Marshal.GetFunctionPointerForDelegate(APIRawDataReceived).ToInt32(), IntPtr.Zero);
// enable datastreaming ... important to do it here, otherwise user get mousecursor control
this.api.DataStreaming(1);
// hide status window
this.api.HideStatusWindow();
return(true);
}
