protected override void OnPaintSurface(SKPaintSurfaceEventArgs e)
{
var info = e.Info;
var canvas = e.Surface.Canvas;
var radius = (info.Width / 2.0f);
var freeRadius = radius.Scale(0.15f);
_position = _position.Clamp(-freeRadius, freeRadius);
canvas.Clear();
canvas.Save();
canvas.Translate(radius, radius);
canvas.Scale(1, -1);
DrawBase(canvas, radius);
DrawSocket(canvas, radius);
DrawIcon(canvas, radius);
canvas.Restore();
}