FriendsOnlineStatusControl basic implementation

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

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+// 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;
+using System.Collections.Generic;
+using NUnit.Framework;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Game.Overlays;
+using osu.Game.Overlays.Home.Friends;
+
+namespace osu.Game.Tests.Visual.UserInterface
+{
+    public class TestSceneFriendsOnlineStatusControl : OsuTestScene
+    {
+        public override IReadOnlyList<Type> RequiredTypes => new[]
+        {
+            typeof(FriendsOnlineStatusControl),
+            typeof(FriendsOnlineStatusItem),
+            typeof(OverlayUpdateStreamControl<>),
+            typeof(OverlayUpdateStreamItem<>),
+            typeof(FriendsBundle)
+        };
+
+        [Cached]
+        private readonly OverlayColourProvider colourProvider = new OverlayColourProvider(OverlayColourScheme.Blue);
+
+        private FriendsOnlineStatusControl control;
+
+        [SetUp]
+        public void SetUp() => Schedule(() =>
+        {
+            Clear();
+            Add(control = new FriendsOnlineStatusControl
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+            });
+        });
+
+        [Test]
+        public void Populate()
+        {
+            AddStep(@"Populate", () => control.Populate(new List<FriendsBundle>
+            {
+                new FriendsBundle(FriendsOnlineStatus.All, 100),
+                new FriendsBundle(FriendsOnlineStatus.Online, 50),
+                new FriendsBundle(FriendsOnlineStatus.Offline, 50),
+            }));
+        }
+    }
+}

osu.Game/Overlays/Home/Friends/FriendsBundle.cs

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+// 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;
+using osuTK.Graphics;
+
+namespace osu.Game.Overlays.Home.Friends
+{
+    public class FriendsBundle
+    {
+        public FriendsOnlineStatus Status { get; }
+
+        public int Amount { get; }
+
+        public Color4 Colour => getColour();
+
+        public FriendsBundle(FriendsOnlineStatus status, int amount)
+        {
+            Status = status;
+            Amount = amount;
+        }
+
+        private Color4 getColour()
+        {
+            switch (Status)
+            {
+                default:
+                    throw new ArgumentException($@"{Status} status does not provide a colour in {nameof(getColour)}.");
+
+                case FriendsOnlineStatus.All:
+                    return Color4.White;
+
+                case FriendsOnlineStatus.Online:
+                    return Color4.Lime;
+
+                case FriendsOnlineStatus.Offline:
+                    return Color4.Black;
+            }
+        }
+    }
+
+    public enum FriendsOnlineStatus
+    {
+        All,
+        Online,
+        Offline
+    }
+}

osu.Game/Overlays/Home/Friends/FriendsOnlineStatusControl.cs

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+// 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.
+
+namespace osu.Game.Overlays.Home.Friends
+{
+    public class FriendsOnlineStatusControl : OverlayUpdateStreamControl<FriendsBundle>
+    {
+        protected override OverlayUpdateStreamItem<FriendsBundle> CreateStreamItem(FriendsBundle value) => new FriendsOnlineStatusItem(value);
+    }
+}

osu.Game/Overlays/Home/Friends/FriendsOnlineStatusItem.cs

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+// 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 osuTK.Graphics;
+
+namespace osu.Game.Overlays.Home.Friends
+{
+    public class FriendsOnlineStatusItem : OverlayUpdateStreamItem<FriendsBundle>
+    {
+        public FriendsOnlineStatusItem(FriendsBundle value)
+            : base(value)
+        {
+        }
+
+        protected override string GetMainText() => Value.Status.ToString();
+
+        protected override string GetAdditionalText() => Value.Amount.ToString();
+
+        protected override Color4 GetBarColour() => Value.Colour;
+    }
+}