Implement CommentRepliesButton

osu.Game.Tests/Visual/UserInterface/TestSceneCommentRepliesButton.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 osu.Game.Overlays.Comments.Buttons;
+using osu.Framework.Graphics;
+using osu.Framework.Allocation;
+using osu.Game.Overlays;
+using osu.Framework.Graphics.Containers;
+using osuTK;
+
+namespace osu.Game.Tests.Visual.UserInterface
+{
+    public class TestSceneCommentRepliesButton : OsuTestScene
+    {
+        [Cached]
+        private readonly OverlayColourProvider colourProvider = new OverlayColourProvider(OverlayColourScheme.Blue);
+
+        public TestSceneCommentRepliesButton()
+        {
+            Child = new FillFlowContainer
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                AutoSizeAxes = Axes.Both,
+                Direction = FillDirection.Vertical,
+                Spacing = new Vector2(0, 10),
+                Children = new Drawable[]
+                {
+                    new TestButton
+                    {
+                        Action = () => { }
+                    },
+                    new LoadRepliesButton
+                    {
+                        Action = () => { }
+                    },
+                    new ShowRepliesButton(1)
+                    {
+                        Action = () => { }
+                    },
+                    new ShowRepliesButton(2)
+                    {
+                        Action = () => { }
+                    }
+                }
+            };
+        }
+
+        private class TestButton : CommentRepliesButton
+        {
+            protected override string GetText() => "sample text";
+        }
+    }
+}

osu.Game/Overlays/Comments/Buttons/CommentRepliesButton.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.Collections.Generic;
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Graphics.Sprites;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
+using osu.Game.Graphics.Sprites;
+using osuTK;
+
+namespace osu.Game.Overlays.Comments.Buttons
+{
+    public abstract class CommentRepliesButton : OsuHoverContainer
+    {
+        protected override IEnumerable<Drawable> EffectTargets => new[] { background };
+
+        protected ChevronIcon Icon;
+        private Box background;
+
+        public CommentRepliesButton()
+        {
+            AutoSizeAxes = Axes.Both;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OverlayColourProvider colourProvider)
+        {
+            Add(new CircularContainer
+            {
+                AutoSizeAxes = Axes.Both,
+                Masking = true,
+                Children = new Drawable[]
+                {
+                    background = new Box
+                    {
+                        RelativeSizeAxes = Axes.Both
+                    },
+                    new Container
+                    {
+                        AutoSizeAxes = Axes.Both,
+                        Margin = new MarginPadding
+                        {
+                            Vertical = 5,
+                            Horizontal = 10,
+                        },
+                        Child = new FillFlowContainer
+                        {
+                            AutoSizeAxes = Axes.Both,
+                            Direction = FillDirection.Horizontal,
+                            Spacing = new Vector2(15, 0),
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                            Children = new Drawable[]
+                            {
+                                new OsuSpriteText
+                                {
+                                    Anchor = Anchor.CentreLeft,
+                                    Origin = Anchor.CentreLeft,
+                                    Font = OsuFont.GetFont(size: 12, weight: FontWeight.SemiBold),
+                                    Text = GetText()
+                                },
+                                Icon = new ChevronIcon
+                                {
+                                    Anchor = Anchor.CentreLeft,
+                                    Origin = Anchor.CentreLeft,
+                                }
+                            }
+                        }
+                    }
+                }
+            });
+
+            IdleColour = colourProvider.Background2;
+            HoverColour = colourProvider.Background1;
+        }
+
+        protected abstract string GetText();
+
+        protected class ChevronIcon : SpriteIcon
+        {
+            public ChevronIcon()
+            {
+                Anchor = Anchor.Centre;
+                Origin = Anchor.Centre;
+                Size = new Vector2(7.5f);
+                Icon = FontAwesome.Solid.ChevronDown;
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(OverlayColourProvider colourProvider)
+            {
+                Colour = colourProvider.Foreground1;
+            }
+        }
+    }
+}

osu.Game/Overlays/Comments/Buttons/LoadRepliesButton.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.Comments.Buttons
+{
+    public class LoadRepliesButton : CommentRepliesButton
+    {
+        protected override string GetText() => "load replies";
+    }
+}

osu.Game/Overlays/Comments/Buttons/ShowRepliesButton.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 Humanizer;
+
+namespace osu.Game.Overlays.Comments.Buttons
+{
+    public class ShowRepliesButton : CommentRepliesButton
+    {
+        private readonly int count;
+
+        public ShowRepliesButton(int count)
+        {
+            this.count = count;
+        }
+
+        protected override string GetText() => "reply".ToQuantity(count);
+    }
+}