Initial import

1 files changed, 36 insertions, 0 deletions

diff --git a/Xamarin.Forms.Platform.iOS/LayoutExtensions.cs b/Xamarin.Forms.Platform.iOS/LayoutExtensions.cs
new file mode 100644
index 00000000..6e7f5738
--- /dev/null
+++ b/Xamarin.Forms.Platform.iOS/LayoutExtensions.cs
@@ -0,0 +1,36 @@
+using System.Collections.Generic;
+#if __UNIFIED__
+using CoreGraphics;
+using UIKit;
+
+#else
+using MonoTouch.UIKit;
+#endif
+
+#if !__UNIFIED__
+	// Save ourselves a ton of ugly ifdefs below
+using CGSize = System.Drawing.SizeF;
+#endif
+
+namespace Xamarin.Forms.Platform.iOS
+{
+	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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