private static async Task <bool> ShowShareUIAsync(ShareUIOptions options, DataPackage dataPackage)
{
var window = NSApplication.SharedApplication.MainWindow;
if (window == null)
{
throw new InvalidOperationException("Sharing is not possible when no window is active.");
}
var view = window.ContentView;
var dataPackageView = dataPackage.GetView();
var sharedData = new List <NSObject>();
if (dataPackageView.Contains(StandardDataFormats.Text))
{
var text = await dataPackageView.GetTextAsync();
sharedData.Add(new NSString(text));
}
var uri = await GetSharedUriAsync(dataPackageView);
if (uri != null)
{
sharedData.Add(NSUrl.FromString(uri.OriginalString));
}
CGRect targetRect;
if (options.SelectionRect != null)
{
targetRect = options.SelectionRect.Value;
}
else
{
// Try to center the picker within the window
targetRect = new CGRect(
view.Bounds.Width / 2f - DefaultPickerWidth / 2,
view.Bounds.Height / 2 - DefaultPickerHeight / 2,
0,
0);
}
var picker = new NSSharingServicePicker(sharedData.ToArray());
var completionSource = new TaskCompletionSource <bool>();
picker.DidChooseSharingService += (s, e) =>
{
completionSource.SetResult(e.Service != null);
};
picker.ShowRelativeToRect(targetRect, view, NSRectEdge.MinYEdge);
return(await completionSource.Task);
}
static Task PlatformShowRequestAsync(ShareRequestBase request, List <NSObject> items)
{
var window = Platform.GetCurrentWindow();
var view = window.ContentView;
var rect = request.PresentationSourceBounds.AsCGRect();
rect.Y = view.Bounds.Height - rect.Bottom;
var picker = new NSSharingServicePicker(items.ToArray());
picker.ShowRelativeToRect(rect, view, NSRectEdge.MinYEdge);
return(Task.CompletedTask);
}