public AppWindowActivity(IMonitor monitor, Type monitorType, string processName, TimeSpan interval) : base(monitor, monitorType)
{
this.processName = processName;
D3D9Capture = new D3D9Capture();
GDICapture = new GDICapture();
Interval = interval;
Timer = new System.Timers.Timer(Interval.TotalMilliseconds);
Timer.AutoReset = true;
Timer.Elapsed += Timer_Elapsed;
previousCapture = new Bitmap(1, 1);
Status = ApiStatus.Ok;
}
private void Timer_Elapsed(object sender, ElapsedEventArgs e)
{
Process[] processes = Process.GetProcessesByName(processName);
if (processes == null || processes.Length == 0)
{
return;
}
Bitmap capture = null;
IntPtr activeWindowHandle = UnsafeNativeMethods.GetForegroundWindow();
string title = Interop.GetWindowTitle(activeWindowHandle);
Rectangle rect = Interop.GetWindowRect(activeWindowHandle);
int l = rect.Left, t = rect.Top;
var tid = UnsafeNativeMethods.GetWindowThreadProcessId(activeWindowHandle, out uint pid);
if (processes.Any(p => p.Id == pid))
{
Debug("{0} window detected at ({1},{2}).", processName, l, t);
try
{
capture = D3D9Capture.CaptureWindow(activeWindowHandle);
}
catch (Direct3D9Exception d3de)
{
Debug("{0}. Falling back to GDI capture.", d3de.Message);
capture = GDICapture.CaptureWindow(activeWindowHandle);
}
if (capture == null)
{
Error("Could not detect any window activity for app process {0}.", processName);
return;
}
}
else if (processName == "chrome" && title.Contains("Google Chrome"))
{
Debug("Google Chrome incognito mode window detected at ({1},{2}).", processName, rect.Left, rect.Top);
try
{
capture = D3D9Capture.CaptureWindow(activeWindowHandle);
}
catch (Direct3D9Exception d3de)
{
Debug("{0}. Falling back to GDI capture.", d3de.Message);
capture = GDICapture.CaptureWindow(activeWindowHandle);
}
if (capture == null)
{
Error("Could not detect window activity for Google Chrome.");
return;
}
}
else if ((processName == "MicrosoftEdge" || processName == "MicrosoftEdgeCP") &&
title.Contains("Microsoft Edge"))
{
Debug("Microsoft Edge window detected at ({1},{2}).", processName, rect.Left, rect.Top);
try
{
capture = D3D9Capture.CaptureWindow(activeWindowHandle);
}
catch (Direct3D9Exception d3de)
{
Debug("{0}. Falling back to GDI capture.", d3de.Message);
capture = GDICapture.CaptureWindow(activeWindowHandle);
}
if (capture == null)
{
Error("Could not detect window activity for Microsoft Edge.");
return;
}
}
else
{
return;
}
if (!ImagesAreDuplicate(previousCapture, capture))
{
Interlocked.Exchange(ref previousCapture, capture);
Global.MessageQueue.Enqueue <AppWindowActivity>(new AppWindowActivityMessage(processName, capture, title));
}
else
{
Debug("{0} window did not change.", processName);
}
}