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using System.Collections.Generic;
using CoreGraphics;
#if __MOBILE__
using UIKit;
using Xamarin.Forms.Platform.iOS;
namespace Xamarin.Forms.Platform.iOS
#else
using AppKit;
using UIView = AppKit.NSView;
using Xamarin.Forms.Platform.MacOS;
namespace Xamarin.Forms.Platform.MacOS
#endif
{
public delegate SizeRequest? GetDesiredSizeDelegate(
NativeViewWrapperRenderer renderer, double widthConstraint, double heightConstraint);
public delegate CGSize? SizeThatFitsDelegate(CGSize size);
public delegate bool LayoutSubviewsDelegate();
public static class LayoutExtensions
{
public static void Add(this IList<View> children, UIView view, GetDesiredSizeDelegate getDesiredSizeDelegate = null,
SizeThatFitsDelegate sizeThatFitsDelegate = null,
LayoutSubviewsDelegate layoutSubViews = null)
{
children.Add(view.ToView(getDesiredSizeDelegate, sizeThatFitsDelegate, layoutSubViews));
}
public static View ToView(this UIView view, GetDesiredSizeDelegate getDesiredSizeDelegate = null,
SizeThatFitsDelegate sizeThatFitsDelegate = null, LayoutSubviewsDelegate layoutSubViews = null)
{
return new NativeViewWrapper(view, getDesiredSizeDelegate, sizeThatFitsDelegate, layoutSubViews);
}
}
}
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