/// <summary>
/// Clean up objects.
/// </summary>
public override void CleanUp()
{
try
{
this.Stop();
this.clientStatus = 0;
if (this.haythamClient != null)
{
this.haythamClient.Disconnect();
this.haythamClient.CalibrationFinished -= this.CalibrationFinished;
this.haythamClient.GazeDataReceived -= this.GazeDataReceived;
this.haythamClient.TrackStatusDataChanged -= this.HaythamClientTrackStatusDataChanged;
// Hide track status control
this.trackControlsSplitContainer.Panel1Collapsed = false;
this.trackControlsSplitContainer.Panel2Collapsed = true;
}
}
catch (Exception ex)
{
this.DisplayMessage("Haytham Cleanup failed with the following message: " + Environment.NewLine + ex.Message);
}
base.CleanUp();
}
/// <summary>
/// Event handler for the calibration OnEnd event of the haytham tracker client
/// which updates the status with the calibration quality rating.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The <see cref="EventArgs"/> instance containing the event data.
/// </param>
private void CalibrationFinished(object sender, EventArgs e)
{
ThreadSafe.EnableDisableButton(this.RecordButton, true);
this.DisplayMessage("Calibration Finished");
this.clientStatus = this.clientStatus | HaythamStatus.IsCalibrated;
// Show track status control
ThreadSafe.ShowHideSplitContainerPanel(this.trackControlsSplitContainer, true, false);
ThreadSafe.ShowHideSplitContainerPanel(this.trackControlsSplitContainer, false, true);
}
/// <summary>
/// Reads settings from file. Then checks for existing haytham servers on
/// the network to set the IP in the settings.
/// </summary>
protected override sealed void Initialize()
{
// Load haytham tracker settings.
if (File.Exists(this.SettingsFile))
{
this.settings = this.DeserializeSettings(this.SettingsFile);
}
else
{
this.settings = new HaythamSetting();
this.SerializeSettings(this.settings, this.SettingsFile);
}
Task.Factory.StartNew(
() =>
{
// find haytham hosts on network
Uri hostUri = Client.getActiveHosts().FirstOrDefault();
while (hostUri == null)
{
// wait 5 seconds before next try
Thread.Sleep(5000);
// it has 2seconds timeout
hostUri = Client.getActiveHosts().FirstOrDefault();
}
// show IPv4 address if exists
IPAddress server =
Dns.GetHostAddresses(hostUri.DnsSafeHost)
.FirstOrDefault(adr => adr.AddressFamily == AddressFamily.InterNetwork);
if (server != null)
{
this.settings.HaythamServerIPAddress = server.ToString();
}
});
this.lastTime = 0;
this.launchButton.Click += this.LaunchButtonClick;
this.statusUpdateTimer = new Timer {
Interval = 100
};
this.statusUpdateTimer.Tick += this.StatusUpdateTimerTick;
this.statusUpdateTimer.Start();
this.clientStatus = 0;
this.trackControlsSplitContainer.Panel1Collapsed = false;
this.trackControlsSplitContainer.Panel2Collapsed = true;
ThreadSafe.EnableDisableButton(this.ConnectButton, false);
}
/// <summary>
/// Connects to the Haytham camera system via UDP connection.
/// </summary>
/// <returns>
/// <strong>True</strong> if connection succeded, otherwise
/// <strong>false</strong>.
/// </returns>
public override bool Connect()
{
try
{
this.haythamClient = new HaythamClient
{
ServerIPAddress = IPAddress.Parse(this.Settings.HaythamServerIPAddress)
};
this.haythamClient.CalibrationFinished += this.CalibrationFinished;
this.haythamClient.GazeDataReceived += this.GazeDataReceived;
this.haythamClient.TrackStatusDataChanged += this.HaythamClientTrackStatusDataChanged;
if (!this.clientStatus.HasFlag(HaythamStatus.IsConnected))
{
if (!this.haythamClient.Connect())
{
throw new Exception("Connection to haytham server failed.");
}
//else
//{
// // Show track status control
// this.trackControlsSplitContainer.Panel1Collapsed = true;
// this.trackControlsSplitContainer.Panel2Collapsed = false;
//}
}
}
catch (Exception ex)
{
var dlg = new ConnectionFailedDialog {
ErrorMessage = ex.Message
};
dlg.ShowDialog();
this.CleanUp();
return(false);
}
this.clientStatus = this.clientStatus | HaythamStatus.IsConnected;
return(true);
}
/// <summary>
/// The
/// <see cref="GTNetworkClient.GazeData.OnGazeData"/> event handler
/// which is called whenever there is a new frame arrived.
/// Sends the GazeDataChanged event to the recording module.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The <see cref="GazeDataChangedEventArgs"/> instance containing the event data.
/// </param>
private void GazeDataReceived(object sender, GazeDataChangedEventArgs e)
{
this.clientStatus = this.clientStatus | HaythamStatus.IsStreaming;
if (e.Gazedata.GazePosX != null && e.Gazedata.GazePosY != null)
{
this.lastGazedataString = string.Format(
"Receiving gaze data: {0}Time: {1} {2} X: {3}, Y: {4} {5} Pupil: {6}",
Environment.NewLine,
e.Gazedata.Time.ToString("N0"),
Environment.NewLine,
e.Gazedata.GazePosX.Value.ToString("N0"),
e.Gazedata.GazePosY.Value.ToString("N0"),
Environment.NewLine,
e.Gazedata.PupilDiaX);
}
if (this.shouldSendGazeSamples)
{
this.lastTime = e.Gazedata.Time;
this.OnGazeDataChanged(e);
}
}
/// <summary>
/// The
/// <see cref="GTNetworkClient.GazeData.OnGazeData"/> event handler
/// which is called whenever there is a new frame arrived.
/// Sends the GazeDataChanged event to the recording module.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The <see cref="GazeDataChangedEventArgs"/> instance containing the event data.
/// </param>
private void GazeDataReceived(object sender, GazeDataChangedEventArgs e)
{
this.clientStatus = this.clientStatus | HaythamStatus.IsStreaming;
if (e.Gazedata.GazePosX != null && e.Gazedata.GazePosY != null)
{
this.lastGazedataString = string.Format(
"Receiving gaze data: {0}Time: {1} {2} X: {3}, Y: {4} {5} Pupil: {6}",
Environment.NewLine,
e.Gazedata.Time.ToString("N0"),
Environment.NewLine,
e.Gazedata.GazePosX.Value.ToString("N0"),
e.Gazedata.GazePosY.Value.ToString("N0"),
Environment.NewLine,
e.Gazedata.PupilDiaX);
}
if (this.shouldSendGazeSamples)
{
this.lastTime = e.Gazedata.Time;
this.OnGazeDataChanged(e);
}
}
/// <summary>
/// Event handler for the calibration OnEnd event of the haytham tracker client
/// which updates the status with the calibration quality rating.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The <see cref="EventArgs"/> instance containing the event data.
/// </param>
private void CalibrationFinished(object sender, EventArgs e)
{
ThreadSafe.EnableDisableButton(this.RecordButton, true);
this.DisplayMessage("Calibration Finished");
this.clientStatus = this.clientStatus | HaythamStatus.IsCalibrated;
// Show track status control
ThreadSafe.ShowHideSplitContainerPanel(this.trackControlsSplitContainer, true, false);
ThreadSafe.ShowHideSplitContainerPanel(this.trackControlsSplitContainer, false, true);
}
/// <summary>
/// Reads settings from file. Then checks for existing haytham servers on
/// the network to set the IP in the settings.
/// </summary>
protected override sealed void Initialize()
{
// Load haytham tracker settings.
if (File.Exists(this.SettingsFile))
{
this.settings = this.DeserializeSettings(this.SettingsFile);
}
else
{
this.settings = new HaythamSetting();
this.SerializeSettings(this.settings, this.SettingsFile);
}
Task.Factory.StartNew(
() =>
{
// find haytham hosts on network
Uri hostUri = Client.getActiveHosts().FirstOrDefault();
while (hostUri == null)
{
// wait 5 seconds before next try
Thread.Sleep(5000);
// it has 2seconds timeout
hostUri = Client.getActiveHosts().FirstOrDefault();
}
// show IPv4 address if exists
IPAddress server =
Dns.GetHostAddresses(hostUri.DnsSafeHost)
.FirstOrDefault(adr => adr.AddressFamily == AddressFamily.InterNetwork);
if (server != null)
{
this.settings.HaythamServerIPAddress = server.ToString();
}
});
this.lastTime = 0;
this.launchButton.Click += this.LaunchButtonClick;
this.statusUpdateTimer = new Timer { Interval = 100 };
this.statusUpdateTimer.Tick += this.StatusUpdateTimerTick;
this.statusUpdateTimer.Start();
this.clientStatus = 0;
this.trackControlsSplitContainer.Panel1Collapsed = false;
this.trackControlsSplitContainer.Panel2Collapsed = true;
ThreadSafe.EnableDisableButton(this.ConnectButton, false);
}
/// <summary>
/// Stops tracking.
/// </summary>
public override void Stop()
{
this.shouldSendGazeSamples = false;
this.clientStatus = HaythamStatus.IsCalibrated | HaythamStatus.IsConnected;
}
/// <summary>
/// Connects to the Haytham camera system via UDP connection.
/// </summary>
/// <returns>
/// <strong>True</strong> if connection succeded, otherwise
/// <strong>false</strong>.
/// </returns>
public override bool Connect()
{
try
{
this.haythamClient = new HaythamClient
{
ServerIPAddress = IPAddress.Parse(this.Settings.HaythamServerIPAddress)
};
this.haythamClient.CalibrationFinished += this.CalibrationFinished;
this.haythamClient.GazeDataReceived += this.GazeDataReceived;
this.haythamClient.TrackStatusDataChanged += this.HaythamClientTrackStatusDataChanged;
if (!this.clientStatus.HasFlag(HaythamStatus.IsConnected))
{
if (!this.haythamClient.Connect())
{
throw new Exception("Connection to haytham server failed.");
}
//else
//{
// // Show track status control
// this.trackControlsSplitContainer.Panel1Collapsed = true;
// this.trackControlsSplitContainer.Panel2Collapsed = false;
//}
}
}
catch (Exception ex)
{
var dlg = new ConnectionFailedDialog { ErrorMessage = ex.Message };
dlg.ShowDialog();
this.CleanUp();
return false;
}
this.clientStatus = this.clientStatus | HaythamStatus.IsConnected;
return true;
}
/// <summary>
/// Clean up objects.
/// </summary>
public override void CleanUp()
{
try
{
this.Stop();
this.clientStatus = 0;
if (this.haythamClient != null)
{
this.haythamClient.Disconnect();
this.haythamClient.CalibrationFinished -= this.CalibrationFinished;
this.haythamClient.GazeDataReceived -= this.GazeDataReceived;
this.haythamClient.TrackStatusDataChanged -= this.HaythamClientTrackStatusDataChanged;
// Hide track status control
this.trackControlsSplitContainer.Panel1Collapsed = false;
this.trackControlsSplitContainer.Panel2Collapsed = true;
}
}
catch (Exception ex)
{
this.DisplayMessage("Haytham Cleanup failed with the following message: " + Environment.NewLine + ex.Message);
}
base.CleanUp();
}
/// <summary>
/// Stops tracking.
/// </summary>
public override void Stop()
{
this.shouldSendGazeSamples = false;
this.clientStatus = HaythamStatus.IsCalibrated | HaythamStatus.IsConnected;
}
