osu-lazer/osu.Game/Screens/Menu/ExitConfirmOverlay.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 osu.Framework.Input.Bindings;
using osu.Game.Input.Bindings;
using osu.Game.Overlays;

namespace osu.Game.Screens.Menu
{
    public class ExitConfirmOverlay : HoldToConfirmOverlay, IKeyBindingHandler<GlobalAction>
    {
        public bool OnPressed(GlobalAction action)
        {
            if (action == GlobalAction.Back)
            {
                BeginConfirm();
                return true;
            }

            return false;
        }

        public bool OnReleased(GlobalAction action)
        {
            if (action == GlobalAction.Back)
            {
                AbortConfirm();
                return true;
            }

            return false;
        }
    }
}