public void RunJavaScriptTextInputPanel(WebKit.WKWebView webView, string prompt, string defaultText, WebKit.WKFrameInfo frame, System.Action <string> completionHandler)
{
// Create a native UIAlertController with the message
var alertController = UIAlertController.Create(null, prompt, UIAlertControllerStyle.Alert);
// Add a text field to the alert, set the placeholder text and keep a refernce to the field
UITextField alertTextField = null;
alertController.AddTextField((textField) => {
textField.Placeholder = defaultText;
alertTextField = textField;
});
// Pass the text to the completion handler when the "OK" button is tapped
alertController.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, okAction => {
completionHandler(alertTextField.Text);
}));
// If "Cancel" is tapped, we can just return null
alertController.AddAction(UIAlertAction.Create("Cancel", UIAlertActionStyle.Default, cancelAction => {
completionHandler(null);
}));
// Present the alert
PresentViewController(alertController, true, null);
}
public override void DidFinishNavigation(WebKit.WKWebView webView, WKNavigation navigation)
{
if (canDoOnContentLoaded)
{
wvp.OnContentLoaded();
canDoOnContentLoaded = false;
}
}
public void RunJavaScriptAlertPanel(WebKit.WKWebView webView, string message, WKFrameInfo frame, Action completionHandler)
{
var alertController = UIAlertController.Create(null, message, UIAlertControllerStyle.Alert);
alertController.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, null));
UIApplication.SharedApplication.KeyWindow.RootViewController.PresentViewController(alertController, true, null);
completionHandler();
}
public void RunJavaScriptAlertPanel(WebKit.WKWebView webView, string message, WebKit.WKFrameInfo frame, System.Action completionHandler)
{
// Create and present a native UIAlertController with the message
var alertController = UIAlertController.Create(null, message, UIAlertControllerStyle.Alert);
alertController.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, null));
PresentViewController(alertController, true, null);
// Call the completion handler
completionHandler();
}
public override void DecidePolicy(WebKit.WKWebView webView, WKNavigationAction navigationAction, Action <WKNavigationActionPolicy> decisionHandler)
{
if (wvp.OnNavigationStarting(new Uri(navigationAction.Request.Url.AbsoluteString)))
{
decisionHandler(WKNavigationActionPolicy.Cancel);
}
else
{
decisionHandler(WKNavigationActionPolicy.Allow);
}
}
public static NSMutableData CreatePdfFile(this WebKit.WKWebView webView, UIViewPrintFormatter printFormatter)
{
var renderer = new PdfRenderer();
renderer.AddPrintFormatter(printFormatter, 0);
// Letter = 8.5" * 72 x 11" * 72
// Inset = .5"/2 * 72 x 1"/2 * 72
var page = new CGRect(0, 0, 8.5 * 72, 11 * 72);
var pdfPageFrame = page.Inset(dx: (nfloat).25 * 72, dy: (nfloat).5 * 72);
renderer.SetValueForKey(NSValue.FromCGRect(page), new NSString("paperRect"));
renderer.SetValueForKey(NSValue.FromCGRect(pdfPageFrame), new NSString("printableRect"));
return(renderer.PrintToPdf());
}
public static NSMutableData CreatePdfFile(this WebKit.WKWebView webView, UIViewPrintFormatter printFormatter)
{
var bounds = webView.Bounds;
webView.Bounds = new CoreGraphics.CGRect(bounds.X, bounds.Y, bounds.Width, webView.ScrollView.ContentSize.Height);
var pdfPageFrame = new CoreGraphics.CGRect(0, 0, webView.Bounds.Width, webView.Bounds.Height);
var renderer = new PdfRenderer();
renderer.AddPrintFormatter(printFormatter, 0);
renderer.SetValueForKey(NSValue.FromCGRect(UIScreen.MainScreen.Bounds), new NSString("paperRect"));
renderer.SetValueForKey(NSValue.FromCGRect(pdfPageFrame), new NSString("printableRect"));
webView.Bounds = bounds;
return(renderer.PrintToPdf());
}
static void UserAgentFromWKWebView()
{
WebKit.WKWebViewConfiguration wkconf = new WebKit.WKWebViewConfiguration()
{
};
WebKit.WKWebView wkwv = new WebKit.WKWebView(CoreGraphics.CGRect.Empty, wkconf);
// TODO: WKWebKit UserAgent JavaScript handler not triggered from JavaScript
WebKit.WKJavascriptEvaluationResult handler = HandleWKJavascriptEvaluationResult;
// case sensitive stuff:
// navigator.*
// few SO posts with Pascal case will not work!
wkwv.EvaluateJavaScript((NSString)"navigator.userAgent", handler);
//wkwv.EvaluateJavaScript((NSString)"navigator.appName", handler);
wkwv.LoadHtmlString("<html></html>", null);
return;
}
public void RunJavaScriptTextInputPanel(WebKit.WKWebView webView, string prompt, string defaultText, WebKit.WKFrameInfo frame, System.Action <string> completionHandler)
{
var alertController = UIAlertController.Create(null, prompt, UIAlertControllerStyle.Alert);
UITextField alertTextField = null;
alertController.AddTextField((textField) => {
textField.Placeholder = defaultText;
alertTextField = textField;
});
alertController.AddAction(UIAlertAction.Create("Ok", UIAlertActionStyle.Default, okAction => {
completionHandler(alertTextField.Text);
}));
alertController.AddAction(UIAlertAction.Create("Cancel", UIAlertActionStyle.Default, cancelAction => {
completionHandler(null);
}));
UIApplication.SharedApplication.KeyWindow.RootViewController.PresentViewController(alertController, true, null);
}
public override void DidCommitNavigation(WebKit.WKWebView webView, WKNavigation navigation)
{
wvp.OnContentLoading();
canDoOnContentLoaded = true;
}
