Initial import

1 files changed, 75 insertions, 0 deletions

diff --git a/Xamarin.Forms.Platform.Android/Renderers/ScrollViewContainer.cs b/Xamarin.Forms.Platform.Android/Renderers/ScrollViewContainer.cs
new file mode 100644
index 00000000..c79e6137
--- /dev/null
+++ b/Xamarin.Forms.Platform.Android/Renderers/ScrollViewContainer.cs
@@ -0,0 +1,75 @@
+using Android.Content;
+using Android.Views;
+
+namespace Xamarin.Forms.Platform.Android
+{
+	internal class ScrollViewContainer : ViewGroup
+	{
+		readonly ScrollView _parent;
+		View _childView;
+
+		public ScrollViewContainer(ScrollView parent, Context context) : base(context)
+		{
+			_parent = parent;
+		}
+
+		public View ChildView
+		{
+			get { return _childView; }
+			set
+			{
+				if (_childView == value)
+					return;
+
+				RemoveAllViews();
+
+				_childView = value;
+
+				if (_childView == null)
+					return;
+
+				IVisualElementRenderer renderer;
+				if ((renderer = Platform.GetRenderer(_childView)) == null)
+					Platform.SetRenderer(_childView, renderer = Platform.CreateRenderer(_childView));
+
+				if (renderer.ViewGroup.Parent != null)
+					renderer.ViewGroup.RemoveFromParent();
+
+				AddView(renderer.ViewGroup);
+			}
+		}
+
+		protected override void Dispose(bool disposing)
+		{
+			base.Dispose(disposing);
+
+			if (disposing)
+			{
+				if (ChildCount > 0)
+					GetChildAt(0).Dispose();
+				RemoveAllViews();
+				_childView = null;
+			}
+		}
+
+		protected override void OnLayout(bool changed, int left, int top, int right, int bottom)
+		{
+			if (_childView == null)
+				return;
+
+			IVisualElementRenderer renderer = Platform.GetRenderer(_childView);
+			renderer.UpdateLayout();
+		}
+
+		protected override void OnMeasure(int widthMeasureSpec, int heightMeasureSpec)
+		{
+			// we need to make sure we are big enough to be laid out at 0,0
+			if (_childView != null)
+			{
+				SetMeasuredDimension((int)Context.ToPixels(_childView.Bounds.Right + _parent.Padding.Right), (int)Context.ToPixels(_childView.Bounds.Bottom + _parent.Padding.Bottom));
+			}
+			else
+				SetMeasuredDimension((int)Context.ToPixels(_parent.Padding.Right), (int)Context.ToPixels(_parent.Padding.Bottom));
+		}
+	}
+}
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