using System;

namespace Demant.OneApp.Lib.UI.Forms

{

    public enum NotificationType

    {

        Warning, 

        Error,

        Invisible

    }

    public class Notification

    {

        public NotificationType notificationType;

    }

    public class NotificationConfiguration

    {

        public int[] PriorityQueue { get; }

    }

    public class NotificationBar

    {

        public NotificationBarViewModel BindingContext;

​

        public NotificationBar()

        {

            BindingContext.CurrentNotification.PropertyChanged += Animate;

        }

​

        public Animate

        {

            // if wasnt shown then show

            // if was shhon then transform

            // if was shown and now hide then hide

        }

    }

​

    public class NotificationBarViewModel // he knows which notification there should be visible and know priority (has default)

    {

        public NotificationBarViewModel(INotificationManager manager)

        {

            manager.CurrentNotifications.Select(ChooseWithPriority).Subscribe();

        }

        [Reactive]

        public Notification? CurrentNotification { get; } // the one that should be currently visible

​

        public NotificationConfiguration Configuration { get; }

    }

​

    public class AnyPage

    {

        public NotificationBar Bar;

        public AnyPageViewModel ViewModel;

​

        public AnyPage(AnyPageViewModel viewModel)

        {

            Bar.BindingContext = viewModel.BarViewModel; // could be even done in base page

        }

    }

​

    public class AnyPageViewModel

    {

        public NotificationBarViewModel BarViewModel;

​

        public AnyPageViewModel(NotificationBarViewModel barViewModel)

        {

            BarViewModel = barViewModel;

​

            barViewModel.Configuration = CustomConfiguration;

        }

    }

}