MoonWorks/src/Input/ButtonState.cs

namespace MoonWorks.Input
{
    public class ButtonState
    {
        private ButtonStatus ButtonStatus { get; set; }

        public bool IsPressed => ButtonStatus == ButtonStatus.Pressed;
        public bool IsHeld => ButtonStatus == ButtonStatus.Held;
        public bool IsDown => ButtonStatus == ButtonStatus.Pressed || ButtonStatus == ButtonStatus.Held;
        public bool IsReleased => ButtonStatus == ButtonStatus.Released;

        internal void Update(bool isPressed)
        {
            if (isPressed)
            {
                if (ButtonStatus == ButtonStatus.Pressed)
                {
                    ButtonStatus = ButtonStatus.Held;
                }
                else if (ButtonStatus == ButtonStatus.Released)
                {
                    ButtonStatus = ButtonStatus.Pressed;
                }
            }
            else
            {
                ButtonStatus = ButtonStatus.Released;
            }
        }
    }
}