public void AddNotification(LivestreamNotification livestreamNotification)
{
if (settingsHandler.Settings.DisableNotifications)
{
return;
}
if (livestreamNotification.LivestreamModel.DontNotify)
{
return;
}
// don't notify for streams that are being watched right now
if (streamLauncher.WatchingStreams.Contains(livestreamNotification.LivestreamModel))
{
return;
}
if ((notifications.Count + 1) > MAX_NOTIFICATIONS)
{
buffer.Add(livestreamNotification);
}
else
{
notifications.Add(livestreamNotification);
ShowNotification(livestreamNotification);
}
}
private void ShowNotification(LivestreamNotification livestreamNotification)
{
var vmTopLeft = GetNotificationTopLeft(livestreamNotification);
var settings = new WindowSettingsBuilder().NoResizeBorderless()
.WithTopLeft(vmTopLeft.Y, vmTopLeft.X)
.TransparentBackground()
.AsTopmost()
.Create();
var notificationViewModel = new NotificationViewModel(livestreamNotification, monitorStreamsModel);
// put remaining notifications into their correct position after this LivestreamNotification closes
notificationViewModel.Deactivated += (sender, args) =>
{
AdjustWindows();
RemoveNotification(notificationViewModel.LivestreamNotification);
};
Execute.OnUIThread(() =>
{
windowManager.ShowWindow(notificationViewModel, null, settings);
// Close the popup after a brief duration
var timer = new DispatcherTimer()
{
Interval = livestreamNotification.Duration
};
timer.Tick += (sender, args) =>
{
notificationViewModel.TryClose();
timer.Stop();
};
timer.Start();
});
}
private void LivestreamOnPropertyChanged(object sender, PropertyChangedEventArgs e)
{
var livestreamModel = (LivestreamModel)sender;
if (e.PropertyName == nameof(LivestreamModel.Live) && hasRefreshed) // dont show notifications for the initial refresh
{
if (!livestreamModel.Live)
{
return; // only care about streams coming online
}
// avoid a twitch api bug where sometimes online streams will not be returned when querying for online streams
// the best way we can work around this is to pick a reasonable uptime value after which we will never show online notifications.
// we check the LastLiveTime for null to ensure we will always notify the first time a stream come online
if (livestreamModel.LastLiveTime != null && livestreamModel.Uptime > TimeSpan.FromMinutes(5))
{
return;
}
var notification = new LivestreamNotification()
{
Title = $"{livestreamModel.DisplayName} Online",
Message = livestreamModel.Description,
ImageUrl = livestreamModel.ThumbnailUrls?.Small,
LivestreamModel = livestreamModel,
};
AddNotification(notification);
}
}
public NotificationViewModel(
LivestreamNotification livestreamNotification,
IMonitorStreamsModel model)
{
LivestreamNotification = livestreamNotification ?? throw new ArgumentNullException(nameof(livestreamNotification));
this.model = model ?? throw new ArgumentNullException(nameof(model));
}
private void RemoveNotification(LivestreamNotification livestreamNotification)
{
if (notifications.Contains(livestreamNotification))
{
notifications.Remove(livestreamNotification);
}
if (buffer.Count > 0)
{
AddNotification(buffer[0]);
buffer.RemoveAt(0);
}
}
public NotificationViewModel()
{
if (!Execute.InDesignMode)
{
throw new InvalidOperationException("Constructor only accessible from design time");
}
LivestreamNotification = new LivestreamNotification()
{
Title = "Someones stream is online",
Message = "Livestream description for someones stream"
};
}
private Point GetNotificationTopLeft(LivestreamNotification livestreamNotification)
{
if (livestreamNotification == null)
{
return(new Point());
}
var index = notifications.IndexOf(livestreamNotification) + 1;
// we care about the order the notifications were added for vertical positioning
if (index == 0)
{
return(new Point());
}
return(new Point()
{
X = SystemParameters.WorkArea.Right - NotificationViewWindowWidth - RightMargin,
Y = SystemParameters.WorkArea.Bottom - (NotificationViewWindowHeight * index) - BottomMargin
});
}
