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Diffstat (limited to 'Xamarin.Forms.Platform.iOS/LayoutExtensions.cs')
-rw-r--r--Xamarin.Forms.Platform.iOS/LayoutExtensions.cs36
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);
+ }
+ }
+} \ No newline at end of file