private void RequestShowNotification([NotNull] OperationNotificationBase notification)
{
var notificationType = notification.GetType();
_notificationsCounter.TryGetValue(notificationType, out var counter);
_notificationsCounter[notificationType] = ++counter;
notification.Show(this);
}
private void RequestHideNotification([NotNull] OperationNotificationBase notification, OperationCallback callback)
{
var notificationType = notification.GetType();
_notificationsCounter.TryGetValue(notificationType, out var counter);
_notificationsCounter[notificationType] = Math.Max(--counter, 0);
if (counter == 0)
{
notification.Hide(this, callback);
}
}