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osu-lazer/osu.Game/Overlays/INotificationOverlay.cs

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2023-06-23 00:37:25 +08:00
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Game.Overlays.Notifications;
namespace osu.Game.Overlays
{
/// <summary>
/// An overlay which is capable of showing notifications to the user.
/// </summary>
[Cached]
public interface INotificationOverlay
{
/// <summary>
/// Post a new notification for display.
/// </summary>
/// <param name="notification">The notification to display.</param>
void Post(Notification notification);
/// <summary>
/// Hide the overlay, if it is currently visible.
/// </summary>
void Hide();
/// <summary>
/// Current number of unread notifications.
/// </summary>
IBindable<int> UnreadCount { get; }
/// <summary>
/// Whether there are any ongoing operations, such as imports or downloads.
/// </summary>
public bool HasOngoingOperations => OngoingOperations.Any();
/// <summary>
/// All current displayed notifications, whether in the toast tray or a section.
/// </summary>
IEnumerable<Notification> AllNotifications { get; }
/// <summary>
/// All ongoing operations (ie. any <see cref="ProgressNotification"/> not in a completed or cancelled state).
/// </summary>
public IEnumerable<ProgressNotification> OngoingOperations => AllNotifications.OfType<ProgressNotification>().Where(p => p.Ongoing);
}
}