public void WireWebView <T>(T webView)
{
// Having issues with getting the correct type to match even though passing in WKWebView from client
//_webView = webView as WKWebView;
_layout = webView as UIView;
var preferences = new WKPreferences();
preferences.JavaScriptEnabled = true;
_configuration = new WKWebViewConfiguration();
_configuration.Preferences = preferences;
_webViewClient = new TrestleNavigationDelegate();
_webView = new WKWebView(_layout.Frame, _configuration);
_webView.TranslatesAutoresizingMaskIntoConstraints = false;
_webView.NavigationDelegate = _webViewClient;
_layout.AddSubview(_webView);
NSLayoutConstraint.Create(_webView, NSLayoutAttribute.CenterX, NSLayoutRelation.Equal, _layout, NSLayoutAttribute.CenterX, 1f, 0f).Active = true;
NSLayoutConstraint.Create(_webView, NSLayoutAttribute.CenterY, NSLayoutRelation.Equal, _layout, NSLayoutAttribute.CenterY, 1f, 0f).Active = true;
_webView.SetNeedsDisplay();
}
public void AddUrlOverride(string url, Func <string> action)
{
if (_webView == null)
{
throw new System.Exception("WebView and WebViewClient were not initialized");
}
_webViewClient.AddOverrideUrl(url, action);
var schemeHandler = new TrestleSchemeHandler();
schemeHandler.AddOverrideUrl(url, action);
_configuration.SetUrlSchemeHandler(schemeHandler, "trestle");
_webView.EvaluateJavaScript("document.documentElement.outerHTML.toString()", (NSObject result, NSError err) => {
if (err != null)
{
System.Console.WriteLine(err);
}
if (result != null)
{
_html = result.ToString();
}
});
_webView.RemoveFromSuperview();
_webView = new WKWebView(_layout.Bounds, _configuration);
_webView.TranslatesAutoresizingMaskIntoConstraints = false;
_webView.NavigationDelegate = _webViewClient;
_layout.AddSubview(_webView);
NSLayoutConstraint.Create(_webView, NSLayoutAttribute.CenterX, NSLayoutRelation.Equal, _layout, NSLayoutAttribute.CenterX, 1f, 0f).Active = true;
NSLayoutConstraint.Create(_webView, NSLayoutAttribute.CenterY, NSLayoutRelation.Equal, _layout, NSLayoutAttribute.CenterY, 1f, 0f).Active = true;
_webView.SetNeedsDisplay();
_webView.LoadHtmlString(_html, null);
}