Rename HeaderFlag to DismissableFlag

osu.Game/Overlays/Rankings/DismissableFlag.cs

@@ -0,0 +1,55 @@
+// 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.Framework.Graphics.Sprites;
+using osu.Game.Users.Drawables;
+using osuTK.Graphics;
+using osuTK;
+using osu.Framework.Input.Events;
+using System;
+
+namespace osu.Game.Overlays.Rankings
+{
+    public class DismissableFlag : UpdateableFlag
+    {
+        private const int duration = 200;
+
+        public Action Action;
+
+        private readonly SpriteIcon hoverIcon;
+
+        public DismissableFlag()
+        {
+            AddInternal(hoverIcon = new SpriteIcon
+            {
+                Anchor = Anchor.Centre,
+                Origin = Anchor.Centre,
+                Depth = -1,
+                Alpha = 0,
+                Size = new Vector2(10),
+                Icon = FontAwesome.Solid.Times,
+            });
+        }
+
+        protected override bool OnHover(HoverEvent e)
+        {
+            hoverIcon.FadeIn(duration, Easing.OutQuint);
+            this.FadeColour(Color4.Gray, duration, Easing.OutQuint);
+            return base.OnHover(e);
+        }
+
+        protected override void OnHoverLost(HoverLostEvent e)
+        {
+            base.OnHoverLost(e);
+            hoverIcon.FadeOut(duration, Easing.OutQuint);
+            this.FadeColour(Color4.White, duration, Easing.OutQuint);
+        }
+
+        protected override bool OnClick(ClickEvent e)
+        {
+            Action?.Invoke();
+            return true;
+        }
+    }
+}