private void RemoveNotificationsTimer_OnTick(object sender, EventArgs eventArgs)
{
var timer = sender as DispatcherTimer;
if (timer == null)
{
return;
}
// Stop the timer and cleanup for GC
timer.Tick += RemoveNotificationsTimer_OnTick;
timer.Stop();
var n = timer.Tag as NotificationViewModel;
if (n == null)
{
return;
}
NotificationMessages.Remove(n);
if (NotificationMessages.Any())
{
return;
}
InternalStopTimer();
IsOpen = false;
}
public void Show(string message, NotificationType type)
{
if (NotificationMessages.Any() == false)
{
InternalStartTimer();
IsOpen = true;
}
if (MaximumNotificationCount != UnlimitedNotifications)
{
if (NotificationMessages.Count >= MaximumNotificationCount)
{
int removeCount = (int)(NotificationMessages.Count - MaximumNotificationCount) + 1;
var itemsToRemove = NotificationMessages.OrderBy(x => x.CreateTime)
.Take(removeCount)
.Select(x => x.Id)
.ToList();
foreach (var id in itemsToRemove)
{
Hide(id);
}
}
}
NotificationMessages.Add(new NotificationViewModel
{
Message = message,
Type = type
});
}
public void Hide(Guid id)
{
var n = NotificationMessages.SingleOrDefault(x => x.Id == id);
if (n?.InvokeHideAnimation == null)
{
return;
}
n.InvokeHideAnimation();
Task.Factory.StartNew(() =>
{
Thread.Sleep(200);
}).ContinueWith(t =>
{
NotificationMessages.Remove(n);
if (NotificationMessages.Any() == false)
{
InternalStopTimer();
IsOpen = false;
}
}, TaskScheduler.FromCurrentSynchronizationContext());
}