1 files changed, 78 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/BoxRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/BoxRenderer.cs
new file mode 100644
index 00000000..f60ed6c1
--- /dev/null
+++ b/Xamarin.Forms.Platform.iOS/Renderers/BoxRenderer.cs
@@ -0,0 +1,78 @@
+using System.ComponentModel;
+using System.Drawing;
+#if __UNIFIED__
+using UIKit;
+using CoreGraphics;
+#else
+using MonoTouch.UIKit;
+using MonoTouch.CoreGraphics;
+#endif
+#if __UNIFIED__
+using RectangleF = CoreGraphics.CGRect;
+using SizeF = CoreGraphics.CGSize;
+using PointF = CoreGraphics.CGPoint;
+
+#else
+using nfloat=System.Single;
+using nint=System.Int32;
+using nuint=System.UInt32;
+#endif
+
+namespace Xamarin.Forms.Platform.iOS
+{
+	public class BoxRenderer : VisualElementRenderer<BoxView>
+	{
+		UIColor _colorToRenderer;
+
+		SizeF _previousSize;
+
+		public override void Draw(RectangleF rect)
+		{
+			using(var context = UIGraphics.GetCurrentContext())
+			{
+				_colorToRenderer.SetFill();
+				context.FillRect(rect);
+			}
+			base.Draw(rect);
+
+			_previousSize = Bounds.Size;
+		}
+
+		public override void LayoutSubviews()
+		{
+			if (_previousSize != Bounds.Size)
+				SetNeedsDisplay();
+		}
+
+		protected override void OnElementChanged(ElementChangedEventArgs<BoxView> e)
+		{
+			base.OnElementChanged(e);
+
+			if (Element != null)
+				SetBackgroundColor(Element.BackgroundColor);
+		}
+
+		protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
+		{
+			base.OnElementPropertyChanged(sender, e);
+			if (e.PropertyName == BoxView.ColorProperty.PropertyName)
+				SetBackgroundColor(Element.BackgroundColor);
+			else if (e.PropertyName == VisualElement.IsVisibleProperty.PropertyName && Element.IsVisible)
+				SetNeedsDisplay();
+		}
+
+		protected override void SetBackgroundColor(Color color)
+		{
+			if (Element == null)
+				return;
+
+			var elementColor = Element.Color;
+			if (!elementColor.IsDefault)
+				_colorToRenderer = elementColor.ToUIColor();
+			else
+				_colorToRenderer = color.ToUIColor();
+
+			SetNeedsDisplay();
+		}
+	}
+}
+\ No newline at end of file