1 files changed, 68 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.MacOS/Cells/ImageCellRenderer.cs b/Xamarin.Forms.Platform.MacOS/Cells/ImageCellRenderer.cs
new file mode 100644
index 00000000..8bd76772
--- /dev/null
+++ b/Xamarin.Forms.Platform.MacOS/Cells/ImageCellRenderer.cs
@@ -0,0 +1,68 @@
+using System.ComponentModel;
+using System.Threading.Tasks;
+using AppKit;
+using Foundation;
+
+namespace Xamarin.Forms.Platform.MacOS
+{
+	public class ImageCellRenderer : TextCellRenderer
+	{
+		public override NSView GetCell(Cell item, NSView reusableView, NSTableView tv)
+		{
+			var tvc = reusableView as CellNSView ?? new CellNSView(NSTableViewCellStyle.ImageSubtitle);
+
+			var result = (CellNSView)base.GetCell(item, tvc, tv);
+
+			var imageCell = (ImageCell)item;
+
+			WireUpForceUpdateSizeRequested(item, result, tv);
+
+#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
+			SetImage(imageCell, result);
+#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
+
+			return result;
+		}
+
+		protected override async void HandlePropertyChanged(object sender, PropertyChangedEventArgs args)
+		{
+			var tvc = (CellNSView)sender;
+			var imageCell = (ImageCell)tvc.Cell;
+
+			base.HandlePropertyChanged(sender, args);
+
+			if (args.PropertyName == ImageCell.ImageSourceProperty.PropertyName)
+				await SetImage(imageCell, tvc);
+		}
+
+		static async Task SetImage(ImageCell cell, CellNSView target)
+		{
+			var source = cell.ImageSource;
+
+			target.ImageView.Image = null;
+
+			IImageSourceHandler handler;
+
+			if (source != null && (handler = Registrar.Registered.GetHandler<IImageSourceHandler>(source.GetType())) != null)
+			{
+				NSImage uiimage;
+				try
+				{
+					uiimage = await handler.LoadImageAsync(source).ConfigureAwait(false);
+				}
+				catch (TaskCanceledException)
+				{
+					uiimage = null;
+				}
+
+				NSRunLoop.Main.BeginInvokeOnMainThread(() =>
+				{
+					target.ImageView.Image = uiimage;
+					target.NeedsLayout = true;
+				});
+			}
+			else
+				target.ImageView.Image = null;
+		}
+	}
+}
+\ No newline at end of file