using CoreGraphics;
using Foundation;
using Microsoft.Maui.Graphics;
 
namespace Microsoft.Maui.Controls.Compatibility.Platform.iOS
{
	[System.Obsolete]
	internal abstract class WidthConstrainedTemplatedCell : TemplatedCell
	{
		[Export("initWithFrame:")]
		[Microsoft.Maui.Controls.Internals.Preserve(Conditional = true)]
		public WidthConstrainedTemplatedCell(CGRect frame) : base(frame)
		{
		}
 
		public override void ConstrainTo(CGSize constraint)
		{
			ClearConstraints();
			ConstrainedDimension = constraint.Width;
		}
 
		protected override (bool, Size) NeedsContentSizeUpdate(Size currentSize)
		{
			var size = Size.Zero;
 
			if (VisualElementRenderer?.Element == null)
			{
				return (false, size);
			}
 
			var bounds = VisualElementRenderer.Element.Bounds;
 
			if (bounds.Width <= 0 || bounds.Height <= 0)
			{
				return (false, size);
			}
 
			var desiredBounds = VisualElementRenderer.Element.Measure(bounds.Width, double.PositiveInfinity,
				MeasureFlags.IncludeMargins);
 
			if (desiredBounds.Request.Height == currentSize.Height)
			{
				// Nothing in the cell needs more room, so leave it as it is
				return (false, size);
			}
 
			return (true, desiredBounds.Request);
		}
	}
}