Added server-side gaze simulation via mouse input.

GazeWebSocketServer/GazeServer.cs

@@ -11,6 +11,7 @@ namespace GazeWebSocketServer
     class GazeServer
     {
         private WebSocketServer wssv;
+        public Boolean isRunning = false;
         public GazeServer(Int32 port, String endpoint)
         {
             wssv = new WebSocketServer(port);
@@ -20,6 +21,7 @@ namespace GazeWebSocketServer
         public void Start()
         {
             wssv.Start();
+            isRunning = true;
         }
 
         public void Publish(GazeData gazeData)

GazeWebSocketServer/GazeWebSocketServer.csproj

@@ -39,6 +39,8 @@
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
+    <Reference Include="System.Drawing" />
+    <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="Microsoft.CSharp" />

GazeWebSocketServer/Program.cs

@@ -5,6 +5,8 @@ using WebSocketSharp;
 using WebSocketSharp.Server;
 using Tobii.Research;
 using TrackerBridge;
+using System.Windows.Forms;
+using System.Drawing;
 
 namespace GazeWebSocketServer
 {
@@ -16,21 +18,48 @@ namespace GazeWebSocketServer
             ConfigurationData.InitializeUnexistingWithDefaults();
             ConfigurationData config = ConfigurationData.ParseToObject();
 
-            TobiiEyeTracker tobiiEyeTracker = new TobiiEyeTracker(config.TrackerSerialNumber);
-            tobiiEyeTracker.ConnectionEvent += OnConnectionEstablished;
-            tobiiEyeTracker.ConnectionTimeout += OnConnectionTimeout;
-            tobiiEyeTracker.GazeDataAvailable += OnGazeDataAvailable;
-            tobiiEyeTracker.Connect();
+            if (args[0] == "-d")
+            {
+                Task.Run(() => SimulateGazeData(300));
+            }
+            else
+            {
+                TobiiEyeTracker tobiiEyeTracker = new TobiiEyeTracker(config.TrackerSerialNumber);
+                tobiiEyeTracker.ConnectionEvent += OnConnectionEstablished;
+                tobiiEyeTracker.ConnectionTimeout += OnConnectionTimeout;
+                tobiiEyeTracker.GazeDataAvailable += OnGazeDataAvailable;
+                tobiiEyeTracker.Connect();
+            }
 
             gazeServer = new GazeServer(config.WebSocketPort, config.WebSocketEndpoint);
             gazeServer.Start();
             Console.ReadLine();
         }
 
+        private static void SimulateGazeData(UInt16 frequencyHz)
+        {
+            TimeSpan period = new TimeSpan(Convert.ToInt64((1.0 / frequencyHz) * 10e7));
+            while (true)
+            {
+                DateTime start = DateTime.Now;
+                Point mousePosition = Control.MousePosition;
+                GazeData data = new GazeData(mousePosition.X, mousePosition.Y, mousePosition.X, mousePosition.Y, 0, 0);
+                if (gazeServer != null && gazeServer.isRunning)
+                {
+                    gazeServer.Publish(data);
+                }
+                TimeSpan delay = period - (DateTime.Now - start);
+                Thread.Sleep(delay.Ticks >= 0 ? delay.Milliseconds : 0);
+            }
+        }
+
         private static void OnGazeDataAvailable(TobiiEyeTracker sender, GazeData data)
         {
             Console.WriteLine(data);
-            gazeServer.Publish(data);
+            if (gazeServer != null && gazeServer.isRunning)
+            {
+                gazeServer.Publish(data);
+            }
         }
 
         private static void OnConnectionTimeout(TobiiEyeTracker sender)

TrackerBridge/GazeDataProcessor.cs

@@ -21,10 +21,10 @@ namespace TrackerBridge
 
         public GazeData Extract(GazeDataEventArgs e)
         {
-            GazeData data = new GazeData(e.LeftEye.GazePoint.PositionOnDisplayArea.X*screenWidth,
-                                         e.LeftEye.GazePoint.PositionOnDisplayArea.Y*screenHeight,
-                                         e.RightEye.GazePoint.PositionOnDisplayArea.X*screenWidth,
-                                         e.RightEye.GazePoint.PositionOnDisplayArea.Y*screenHeight,
+            GazeData data = new GazeData(e.LeftEye.GazePoint.PositionOnDisplayArea.X * screenWidth,
+                                         e.LeftEye.GazePoint.PositionOnDisplayArea.Y * screenHeight,
+                                         e.RightEye.GazePoint.PositionOnDisplayArea.X * screenWidth,
+                                         e.RightEye.GazePoint.PositionOnDisplayArea.Y * screenHeight,
                                          e.DeviceTimeStamp,
                                          e.SystemTimeStamp);
             return data;