Refactor background creation in OverlayHeader

osu.Game/Overlays/OverlayHeaderBackground.cs

@@ -0,0 +1,43 @@
+// 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.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+
+namespace osu.Game.Overlays
+{
+    public class OverlayHeaderBackground : CompositeDrawable
+    {
+        public OverlayHeaderBackground(string textureName)
+        {
+            Height = 80;
+            RelativeSizeAxes = Axes.X;
+            Masking = true;
+            InternalChild = new Background(textureName);
+        }
+
+        private class Background : Sprite
+        {
+            private readonly string textureName;
+
+            public Background(string textureName)
+            {
+                this.textureName = textureName;
+
+                Anchor = Anchor.Centre;
+                Origin = Anchor.Centre;
+                RelativeSizeAxes = Axes.Both;
+                FillMode = FillMode.Fill;
+            }
+
+            [BackgroundDependencyLoader]
+            private void load(TextureStore textures)
+            {
+                Texture = textures.Get(textureName);
+            }
+        }
+    }
+}