Expose all notifications from INotificationOverlay

Also fixes `HasOngoingOperations` not actually working.

osu.Game.Tests/Visual/Menus/TestSceneToolbar.cs

@@ -3,6 +3,7 @@
 
 #nullable disable
 
+using System.Collections.Generic;
 using System.Linq;
 using JetBrains.Annotations;
 using Moq;
@@ -251,7 +252,7 @@ namespace osu.Game.Tests.Visual.Menus
 
             public virtual IBindable<int> UnreadCount => null;
 
-            public bool HasOngoingOperations => false;
+            public IEnumerable<Notification> AllNotifications => Enumerable.Empty<Notification>();
         }
     }
 }

osu.Game.Tests/Visual/UserInterface/TestSceneFirstRunSetupOverlay.cs

@@ -215,7 +215,7 @@ namespace osu.Game.Tests.Visual.UserInterface
 
             public virtual IBindable<int> UnreadCount => null;
 
-            public bool HasOngoingOperations => false;
+            public IEnumerable<Notification> AllNotifications => Enumerable.Empty<Notification>();
         }
 
         // interface mocks break hot reload, mocking this stub implementation instead works around it.

osu.Game/Overlays/INotificationOverlay.cs

@@ -3,6 +3,8 @@
 
 #nullable disable
 
+using System.Collections.Generic;
+using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
 using osu.Game.Overlays.Notifications;
@@ -34,6 +36,16 @@ namespace osu.Game.Overlays
         /// <summary>
         /// Whether there are any ongoing operations, such as imports or downloads.
         /// </summary>
-        bool HasOngoingOperations { get; }
+        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 state).
+        /// </summary>
+        public IEnumerable<ProgressNotification> OngoingOperations => AllNotifications.OfType<ProgressNotification>().Where(p => p.State != ProgressNotificationState.Completed);
     }
 }

osu.Game/Overlays/NotificationOverlay.cs

@@ -1,6 +1,7 @@
 // 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.Audio;
@@ -33,7 +34,8 @@ namespace osu.Game.Overlays
 
         public const float TRANSITION_LENGTH = 600;
 
-        public bool HasOngoingOperations => sections.Any(s => s.Children.OfType<ProgressNotification>().Any());
+        public IEnumerable<Notification> AllNotifications =>
+            toastTray.Notifications.Concat(sections.SelectMany(s => s.Notifications));
 
         private FlowContainer<NotificationSection> sections = null!;
 

osu.Game/Overlays/NotificationOverlayToastTray.cs

@@ -28,6 +28,11 @@ namespace osu.Game.Overlays
 
         public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => toastFlow.ReceivePositionalInputAt(screenSpacePos);
 
+        /// <summary>
+        /// All notifications currently being displayed by the toast tray.
+        /// </summary>
+        public IEnumerable<Notification> Notifications => toastFlow;
+
         public bool IsDisplayingToasts => toastFlow.Count > 0;
 
         private FillFlowContainer<Notification> toastFlow = null!;

osu.Game/Overlays/Notifications/NotificationSection.cs

@@ -19,6 +19,11 @@ namespace osu.Game.Overlays.Notifications
 {
     public partial class NotificationSection : AlwaysUpdateFillFlowContainer<Drawable>
     {
+        /// <summary>
+        /// All notifications currently being displayed in this section.
+        /// </summary>
+        public IEnumerable<Notification> Notifications => notifications;
+
         private OsuSpriteText countDrawable = null!;
 
         private FlowContainer<Notification> notifications = null!;