public NotifyMessageController(double screenWidth, double screenHeight, double popupWidth, double popupHeight)
{
MaxPopup = Convert.ToInt32(screenHeight / popupHeight) - 1;
DisplayLocations = new List<AnimatedLocation>(MaxPopup);
DisplayMessages = new NotifyMessageViewModel[MaxPopup];
QueuedMessages = new ConcurrentQueue<NotifyMessage>();
double left = screenWidth - popupWidth;
double top = screenHeight;
for (int i = 0; i < MaxPopup; i++)
{
if (i == 0)
{
DisplayLocations.Add(new AnimatedLocation(left, left, screenHeight, top - popupHeight));
}
else
{
var previousLocation = DisplayLocations[i - 1];
DisplayLocations.Add(new AnimatedLocation(left, left, previousLocation.ToTop, previousLocation.ToTop - popupHeight));
}
}
this.isStarted = false;
}
private Task StartService(CancellationToken cancellationToken)
{
var dispatcher = Application.Current.MainWindow.Dispatcher;
return Task.Factory.StartNew(() =>
{
do
{
int nextlocation = FindNextLocation();
if (nextlocation > -1)
{
NotifyMessage msg = null;
if (QueuedMessages.TryDequeue(out msg))
{
var viewModel = new NotifyMessageViewModel(msg, DisplayLocations[nextlocation], () => DisplayMessages[nextlocation] = null);
DisplayMessages[nextlocation] = viewModel;
dispatcher.BeginInvoke(
new MethodInvoker(() =>
{
var window = new NotifyMessageWindow()
{
Owner = Application.Current.MainWindow,
DataContext = viewModel,
ShowInTaskbar = false
};
window.Show();
}), DispatcherPriority.Background);
}
}
Thread.Sleep(1000);
} while (QueuedMessages.Count > 0 && !cancellationToken.IsCancellationRequested);
Stop();
});
}