private static void SetScreenSaverPreviewMode(string previewHandle)
{
_bPreviewMode = true;
_screenSavers = new PreviewScreenSaver[1];
_screenSavers[0] = new PreviewScreenSaver(new IntPtr(long.Parse(previewHandle)), _logger);
_logger.WriteTimestampedMessage("successfully started a preview screensaver.");
}
public static void TerminateApplication(bool bClickThroughPressed)
{
if (_bTerminationStarted)
{
return;
}
lock (_terminationObj)
{
// as long as _bTerminationStarted is only being accessed within a thread
// by a locked _terminationObj, it doesn't matter if we check it's value first and set its value
// second or sets its value first and check its value second
if (_bTerminationStarted)
{
return;
}
_bTerminationStarted = true;
}
_clickThroughPressed = bClickThroughPressed;
if (_bPreviewMode)
{
PreviewScreenSaver pss = (PreviewScreenSaver)_screenSavers[0];
pss.Dispose();
Application.Exit();
return;
}
foreach (ScreenSaver screensaver in _screenSavers)
{
screensaver.FadeToDesktop();
}
bool atleastOneThreadsRunning = true;
while (atleastOneThreadsRunning)
{
atleastOneThreadsRunning = false;
foreach (ScreenSaver screensaver in _screenSavers)
{
if (screensaver.SelectAndLoadThreadRunning)
{
atleastOneThreadsRunning = true;
break;
}
}
if (atleastOneThreadsRunning)
{
Application.DoEvents();
}
}
foreach (ScreenSaver screensaver in _screenSavers)
{
screensaver.ReleaseForms();
}
// if spacebar was hit, pop up browser windows and write click logs
if (_clickThroughPressed)
{
ClickThroughPressed();
}
WriteLogs(true);
// dispose of all forms, for each monitor
foreach (ScreenSaver screensaver in _screenSavers)
{
// in preview mode, the form is closed when user presses OK, Cancel or Preview,
// and raising the OnClose event again here would result in an infinite loop with TerminateApplication.
screensaver.Close();
_logger.WriteTimestampedMessage("successfully closed forms.");
screensaver.DisposeForms();
_logger.WriteTimestampedMessage("successfully disposed all screen saver objects.");
}
// local cleanup
_playlist = null;
if (_logTimer != null)
{
_logTimer.Stop();
_logTimer.Dispose();
_logTimer = null;
_logger.WriteTimestampedMessage("successfully disposed of log timer.");
}
if (_autoExecuteProgramTimer != null)
{
_autoExecuteProgramTimer.Stop();
_autoExecuteProgramTimer.Dispose();
_autoExecuteProgramTimer = null;
_logger.WriteTimestampedMessage("successfully disposed of auto-execute program timer.");
}
if (_launchApp)
{
// start external process
try
{
Process.Start(_user.ProgramToRun);
}
catch
{
_logger.WriteWarning("Could not start external process");
}
_logger.WriteTimestampedMessage("Exiting application.");
}
// exit application
Application.Exit();
}
