UITapGestureRecognizer with UIWebView

WebViewTap_partial.cs

// In your ViewDidLoad setup
public override void ViewDidLoad ()
{
	base.ViewDidLoad ();
	
	// ... other setup
	
  var tapRecognizer = new UITapGestureRecognizer (this, new Selector ("HandleTapFrom"));
  tapRecognizer.NumberOfTapsRequired = 1;
  tapRecognizer.Delegate = new GestureDelegate ();
  
  webView.AddGestureRecognizer (tapRecognizer); // my webView is an outlet on a xib
  
}

// Setup the handler
[Export ("HandleTapFrom")]
public void HandleTapFrom (UITapGestureRecognizer recognizer)
{
	Console.WriteLine ("getting taps");
	
	// so the question is how long were we holding it down? Has the user initialized text selection?
	var selection = webView.EvaluateJavascript ("window.getSelection().toString()");
	Console.WriteLine ("selection {0}", selection);
	
	// in my case I'm going to show/hide a toolbar when tapped
	if (selection.Length <= 0) {			
		if (toolbar.Alpha.Equals (1f)) {
			toolbar.Alpha = 0f;
		} else {
			toolbar.Alpha = 1f;
		}
	} else {
		Console.WriteLine ("user is selecting text");
	}
}