private void OnTicker(ITrackingListener trackingListener)
{
DateTime systemStartupTime;
TimeSpan userIdleDuration;
if (!Win32.GetLastInputInfo(out systemStartupTime, out userIdleDuration))
{
return;
}
if (_isBusy)
{
return;
}
_isBusy = true;
try
{
RecordMeasurement(trackingListener, systemStartupTime, userIdleDuration);
}
finally
{
_isBusy = false;
}
}
public void StartTicker(ITrackingListener trackingListener)
{
if (_tickerRunning)
{
throw new InvalidOperationException("Cannot call StartTicker more than once");
}
_ticker.Elapsed += delegate { OnTicker(trackingListener); };
_ticker.Start();
_tickerRunning = true;
}
private void RecordMeasurement(ITrackingListener trackingListener, DateTime systemStartupTime, TimeSpan userIdleDuration)
{
var now = DateTime.Now;
_activeWindowTitle = GetActiveWindowTitle() ?? NULL_WINDOW_TITLE;
_activeWindowModuleFilepath = GetActiveWindowModuleFilePath() ?? NULL_FILE_PATH;
_activeWindowString = _activeWindowTitle + "|" + _activeWindowModuleFilepath;
trackingListener.OnActiveWindowInfo(new OnActiveWindowInfoEvent(now, _activeWindowTitle, _activeWindowModuleFilepath, systemStartupTime, userIdleDuration));
if (!_activatedWindowsAndTimes.ContainsKey(_activeWindowString))
{
_activatedWindowsAndTimes.Add(_activeWindowString, new WindowTimes(_activeWindowTitle, _activeWindowModuleFilepath));
}
var winTimes = _activatedWindowsAndTimes[_activeWindowString];
if (!_activeWindowString.Equals(_lastWindowString, StringComparison.InvariantCultureIgnoreCase))
{
_lastWindowString = _activeWindowString;
winTimes.TotalTimes.Add(now, DateTime.MinValue);
}
var lastStartTime = winTimes.TotalTimes.Last().Key;
winTimes.TotalTimes[lastStartTime] = now;
if (userIdleDuration.TotalSeconds > _minimumIdleDuration.TotalSeconds)
{
if (!_activeWindowString.Equals(_lastIdleWindowString, StringComparison.InvariantCultureIgnoreCase))
{
_lastIdleWindowString = _activeWindowString;
winTimes.IdleTimes.Add(now.Subtract(userIdleDuration), DateTime.MinValue);
}
var lastIdleStart = winTimes.IdleTimes.Last().Key;
winTimes.IdleTimes[lastIdleStart] = now;
}
else
{
_lastIdleWindowString = null;
}
}
