osu/osu.Game/Overlays/Social/SocialPanel.cs

// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

using OpenTK;
using OpenTK.Graphics;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Input;
using osu.Game.Users;

namespace osu.Game.Overlays.Social
{
    public class SocialPanel : UserPanel
    {
        private const double hover_transition_time = 400;

        public SocialPanel(User user) : base(user)
        {
        }

        private readonly EdgeEffectParameters edgeEffectNormal = new EdgeEffectParameters
        {
            Type = EdgeEffectType.Shadow,
            Offset = new Vector2(0f, 1f),
            Radius = 2f,
            Colour = Color4.Black.Opacity(0.25f),
        };

        private readonly EdgeEffectParameters edgeEffectHovered = new EdgeEffectParameters
        {
            Type = EdgeEffectType.Shadow,
            Offset = new Vector2(0f, 5f),
            Radius = 10f,
            Colour = Color4.Black.Opacity(0.3f),
        };

        protected override bool OnHover(InputState state)
        {
            Content.TweenEdgeEffectTo(edgeEffectHovered, hover_transition_time, Easing.OutQuint);
            Content.MoveToY(-4, hover_transition_time, Easing.OutQuint);

            return base.OnHover(state);
        }

        protected override void OnHoverLost(InputState state)
        {
            Content.TweenEdgeEffectTo(edgeEffectNormal, hover_transition_time, Easing.OutQuint);
            Content.MoveToY(0, hover_transition_time, Easing.OutQuint);

            base.OnHoverLost(state);
        }

        protected override void LoadComplete()
        {
            base.LoadComplete();
            this.FadeInFromZero(200, Easing.Out);
        }
    }
}