osu/osu.Game/Users/UpdateableAvatar.cs

// 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.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;

namespace osu.Game.Users
{
    /// <summary>
    /// An avatar which can update to a new user when needed.
    /// </summary>
    public class UpdateableAvatar : ModelBackedDrawable<User>
    {
        /// <summary>
        /// Whether to show a default guest representation on null user (as opposed to nothing).
        /// </summary>
        public bool ShowGuestOnNull = true;

        public User User
        {
            get => Model;
            set => Model = value;
        }

        /// <summary>
        /// Whether to open the user's profile when clicked.
        /// </summary>
        public readonly BindableBool OpenOnClick = new BindableBool(true);

        protected override Drawable CreateDrawable(User user)
        {
            if (user != null || ShowGuestOnNull)
            {
                var avatar = new Avatar(user)
                {
                    RelativeSizeAxes = Axes.Both,
                };

                avatar.OnLoadComplete += d => d.FadeInFromZero(300, Easing.OutQuint);
                avatar.OpenOnClick.BindTo(OpenOnClick);

                return avatar;
            }

            return null;
        }
    }
}