ShowMoreButton rework

osu.Game/Overlays/Comments/Buttons/ShowMoreButton.cs

@@ -0,0 +1,50 @@
+// 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.Framework.Graphics;
+using osu.Game.Graphics;
+using osu.Game.Graphics.UserInterface;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Graphics.Sprites;
+using System.Collections.Generic;
+using osuTK;
+using osu.Framework.Allocation;
+
+namespace osu.Game.Overlays.Comments.Buttons
+{
+    public class ShowMoreButton : LoadingButton
+    {
+        protected override IEnumerable<Drawable> EffectTargets => new[] { text };
+
+        private OsuSpriteText text;
+
+        public ShowMoreButton()
+        {
+            AutoSizeAxes = Axes.Both;
+            Margin = new MarginPadding { Vertical = 10, Left = 80 };
+            LoadingAnimationSize = new Vector2(8);
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(OverlayColourProvider colourProvider)
+        {
+            IdleColour = colourProvider.Light2;
+            HoverColour = colourProvider.Light1;
+        }
+
+        protected override Drawable CreateContent() => new Container
+        {
+            AutoSizeAxes = Axes.Both,
+            Child = text = new OsuSpriteText
+            {
+                AlwaysPresent = true,
+                Font = OsuFont.GetFont(size: 12, weight: FontWeight.SemiBold),
+                Text = "show more"
+            }
+        };
+
+        protected override void OnLoadStarted() => text.FadeOut(200, Easing.OutQuint);
+
+        protected override void OnLoadFinished() => text.FadeIn(200, Easing.OutQuint);
+    }
+}