1 files changed, 72 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.iOS/GlobalCloseContextGestureRecognizer.cs b/Xamarin.Forms.Platform.iOS/GlobalCloseContextGestureRecognizer.cs
new file mode 100644
index 00000000..fa76b982
--- /dev/null
+++ b/Xamarin.Forms.Platform.iOS/GlobalCloseContextGestureRecognizer.cs
@@ -0,0 +1,72 @@
+using System.Collections.Generic;
+using System.Drawing;
+#if __UNIFIED__
+using Foundation;
+using UIKit;
+#else
+using MonoTouch.Foundation;
+using MonoTouch.UIKit;
+#endif
+#if __UNIFIED__
+using RectangleF = CoreGraphics.CGRect;
+using SizeF = CoreGraphics.CGSize;
+using PointF = CoreGraphics.CGPoint;
+using NSAction = System.Action;
+
+#else
+using nfloat=System.Single;
+using nint=System.Int32;
+#endif
+
+namespace Xamarin.Forms.Platform.iOS
+{
+	internal class GlobalCloseContextGestureRecognizer : UIGestureRecognizer
+	{
+		List<UIButton> _buttons;
+		UIScrollView _scrollView;
+
+		public GlobalCloseContextGestureRecognizer(UIScrollView scrollView, List<UIButton> buttons, NSAction activated) : base(activated)
+		{
+			_scrollView = scrollView;
+			_buttons = buttons;
+
+			ShouldReceiveTouch = OnShouldReceiveTouch;
+		}
+
+		public override void TouchesBegan(NSSet touches, UIEvent evt)
+		{
+			State = UIGestureRecognizerState.Began;
+			base.TouchesBegan(touches, evt);
+		}
+
+		public override void TouchesEnded(NSSet touches, UIEvent evt)
+		{
+			State = UIGestureRecognizerState.Recognized;
+			base.TouchesEnded(touches, evt);
+		}
+
+		public override void TouchesMoved(NSSet touches, UIEvent evt)
+		{
+			State = UIGestureRecognizerState.Recognized;
+			base.TouchesMoved(touches, evt);
+		}
+
+		protected override void Dispose(bool disposing)
+		{
+			base.Dispose(disposing);
+
+			if (disposing)
+			{
+				_buttons = null;
+				_scrollView = null;
+			}
+		}
+
+		bool OnShouldReceiveTouch(UIGestureRecognizer r, UITouch t)
+		{
+			var scrollPos = t.LocationInView(_scrollView);
+			var rect = new RectangleF(0, 0, _scrollView.ContentSize.Width, _scrollView.ContentSize.Height);
+			return !rect.Contains(scrollPos);
+		}
+	}
+}
+\ No newline at end of file