     private lazy var webController : WebContentController = {
         let controller = WKWebViewContentController()
         controller.webView.navigationDelegate = self
+        controller.webView.uiDelegate = self
         return controller
     
     }()


// Allows access to course content that requires authentication.
// Forwarding our oauth token to the server so we can get a web based cookie
public class AuthenticatedWebViewController: UIViewController, WKNavigationDelegate {
    
    fileprivate enum State {
        case CreatingSession

            completionHandler(.performDefaultHandling, nil)
        }
    }

    public func webView(_ webView: WKWebView, runJavaScriptConfirmPanelWithMessage message: String, initiatedByFrame frame: WKFrameInfo, completionHandler: @escaping (Bool) -> Void) {

        let alertController = UIAlertController(title: nil, message: message, preferredStyle: .actionSheet)

        alertController.addAction(UIAlertAction(title: Strings.ok, style: .default, handler: { (action) in
            completionHandler(true)
        }))

        alertController.addAction(UIAlertAction(title: Strings.cancel, style: .cancel, handler: { (action) in
            completionHandler(false)
        }))

        if let presenter = alertController.popoverPresentationController {
            presenter.sourceView = view
            presenter.sourceRect = CGRect(x: view.bounds.midX, y: view.bounds.midY, width: 0, height: 0)
        }

        present(alertController, animated: true, completion: nil)
    }

}
