GestureEventArgs.cs

namespace Gondwana.Input.Touch.Gestures;

public sealed class GestureEventArgs : EventArgs
{
    public GestureType GestureType { get; }

    public TappedEventArgs? Tap { get; }

    public SwipedEventArgs? Swipe { get; }

    public PinchedEventArgs? Pinch { get; }

    public bool IsTap => GestureType == GestureType.Tap;

    public bool IsSwipe => GestureType == GestureType.Swipe;

    public bool IsPinch => GestureType == GestureType.Pinch;

    public GestureEventArgs(TappedEventArgs tap)
    {
        GestureType = GestureType.Tap;
        Tap = tap ?? throw new ArgumentNullException(nameof(tap));
    }

    public GestureEventArgs(SwipedEventArgs swipe)
    {
        GestureType = GestureType.Swipe;
        Swipe = swipe ?? throw new ArgumentNullException(nameof(swipe));
    }

    public GestureEventArgs(PinchedEventArgs pinch)
    {
        GestureType = GestureType.Pinch;
        Pinch = pinch ?? throw new ArgumentNullException(nameof(pinch));
    }
}