osukey/osu.Game/Overlays/NewsOverlay.cs

using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Overlays.News;

namespace osu.Game.Overlays
{
    public class NewsOverlay : FullscreenOverlay
    {
        private NewsHeader header;

        public readonly Bindable<string> Current = new Bindable<string>(null);

        [BackgroundDependencyLoader]
        private void load(OsuColour colours)
        {
            Children = new Drawable[]
            {
                new Box
                {
                    RelativeSizeAxes = Axes.Both,
                    Colour = colours.PurpleDarkAlternative
                },
                new OsuScrollContainer
                {
                    RelativeSizeAxes = Axes.Both,
                    Child = new FillFlowContainer
                    {
                        RelativeSizeAxes = Axes.X,
                        AutoSizeAxes = Axes.Y,
                        Direction = FillDirection.Vertical,
                        Children = new Drawable[]
                        {
                            header = new NewsHeader()
                        },
                    },
                },
            };

            header.Current.BindTo(Current);
            header.ShowFrontPage = ShowFrontPage;
            Current.TriggerChange();
        }

        public void ShowFrontPage()
        {
            Current.Value = null;
            Show();
        }
    }
}