diff options
Diffstat (limited to 'Xamarin.Forms.Platform.iOS/Extensions/LayoutExtensions.cs')
-rw-r--r-- | Xamarin.Forms.Platform.iOS/Extensions/LayoutExtensions.cs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.iOS/Extensions/LayoutExtensions.cs b/Xamarin.Forms.Platform.iOS/Extensions/LayoutExtensions.cs new file mode 100644 index 00000000..6e7f5738 --- /dev/null +++ b/Xamarin.Forms.Platform.iOS/Extensions/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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