private void GetData()
{
chart1.Series.Clear();
using (var context = new WindowLoggingContext())
{
foreach (var log in context.WindowLogs.OrderBy(p => p.Start).ToList())
{
var end = log.End;
if (end == null)
{
continue;
}
var series = new Series {
ChartType = SeriesChartType.RangeBar
};
chart1.Series.Add(series);
series.Points.AddXY(0, log.Start, end);
series.Points[0]["LogId"] = log.Id.ToString();
series.AxisLabel = "Usage";
series.IsVisibleInLegend = false;
series["DrawSideBySide"] = "false";
}
}
}
private void Application_ApplicationExit(object sender, EventArgs e)
{
using (var context = new WindowLoggingContext())
{
var noEnd = context.WindowLogs.FirstOrDefault(p => !p.End.HasValue);
if (noEnd != null)
{
noEnd.End = DateTime.Now;
context.SaveChanges();
}
}
}
private void Chart1_MouseMove(object sender, MouseEventArgs e)
{
var result = chart1.HitTest(e.X, e.Y);
if (picturePanel != null)
{
picturePanel.Hide();
Controls.Remove(picturePanel);
picturePanel.Dispose();
picturePanel = null;
}
if (result.Object is DataPoint)
{
var dataPoint = (DataPoint)result.Object;
var logId = int.Parse(dataPoint["LogId"]);
MemoryStream stream;
using (var context = new WindowLoggingContext())
{
var screenshot = context.WindowLogs
.Join(context.Screenshots,
w => w.Id,
s => s.WindowLog_Id,
(w, s) => new { w.Id, w.Start, w.End, w.ProgramName, s.Image })
.FirstOrDefault(p => p.Id == logId);
if (screenshot == null)
{
return;
}
stream = new MemoryStream(screenshot.Image);
}
picturePanel = new PicturePanel(new Bitmap(stream));
Controls.Add(picturePanel);
picturePanel.Width = 1280;
picturePanel.Height = 720;
picturePanel.Location = e.Location;
picturePanel.Show();
picturePanel.BringToFront();
return;
}
}
void WinEventProc(IntPtr hWinEventHook, uint eventType, IntPtr hwnd, int idObject, int idChild, uint dwEventThread, uint dwmsEventTime)
{
var imageBytes = TakeScreenshot();
if (hwnd == IntPtr.Zero || imageBytes == null)
{
return;
}
string programName = GetWindowProgramName(hwnd);
if (programName == null)
{
return;
}
using (var context = new WindowLoggingContext())
{
var now = DateTime.UtcNow;
var prevLog = context.WindowLogs.FirstOrDefault(p => !p.End.HasValue);
if (prevLog != null)
{
prevLog.End = now;
}
var newLog = new WindowLog
{
ProgramName = programName,
Start = now
};
context.WindowLogs.Add(newLog);
context.SaveChanges();
context.Screenshots.Add(new Screenshot {
Image = imageBytes, WindowLog_Id = newLog.Id
});
context.SaveChanges();
}
GetData();
}
