// 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 osu.Framework.Allocation; using osu.Framework.Graphics.Containers; namespace osu.Game.Tests.Visual { /// <summary> /// A <see cref="Container"/> which providing ad-hoc dependencies to the child drawables. /// </summary> /// <remarks> /// The <see cref="CachedDependencies"/> must be set while this <see cref="DependencyProvidingContainer"/> is not loaded. /// </remarks> public class DependencyProvidingContainer : Container { /// <summary> /// The dependencies provided to the children. /// </summary> // TODO: should be an init-only property when C# 9 public (Type, object)[] CachedDependencies { get; set; } = Array.Empty<(Type, object)>(); protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent) { var dependencyContainer = new DependencyContainer(base.CreateChildDependencies(parent)); foreach (var (type, value) in CachedDependencies) dependencyContainer.CacheAs(type, value); return dependencyContainer; } } }