public virtual void ProcessRequest(ResourceRequest request, CoreWebView2Deferral deferral, Action <ResourceResponse, CoreWebView2Deferral> callback)
{
Task.Run(async() =>
{
try
{
ResourceResponse response = null;
response = await RequestInterceptor.ProcessRequest(_appFunc, request);
if (IsBadRequest((HttpStatusCode)response.StatusCode) || IsRouteNotFound((HttpStatusCode)response.StatusCode))
{
string redirectUrl = GetHomeUrl(request.Url);
var newRequest = new Chromium.AspNetCore.Bridge.ResourceRequest(redirectUrl, "GET", request.Headers, null);
response = await RequestInterceptor.ProcessRequest(_appFunc, newRequest);
}
((App)Application.Current).Dispatcher.Invoke(
DispatcherPriority.Background,
new Action(() =>
{
// Callback
callback.Invoke(response, deferral);
}));
}
catch (Exception exception)
{
Console.WriteLine(exception.Message);
Console.WriteLine(exception.StackTrace);
deferral?.Complete();
deferral = null;
}
});
}
private void CoreWebView2_NewWindowRequested(object sender, CoreWebView2NewWindowRequestedEventArgs e)
{
CoreWebView2Deferral deferral = e.GetDeferral();
BrowserForm newWindow = new BrowserForm(e, deferral);
newWindow.Show();
}
public void CompleteNewTabInitialize(CoreWebView2 coreWebView)
{ //When changing WPF Tab Items everything initializes again.
if (Def != null)
{
Args.NewWindow = coreWebView;
Args.Handled = true;
Def.Complete();
Def = null;
}
}
public void CompleteNewTabInitialize(CoreWebView2 coreWebView)
{
if (Def != null)
{
Args.NewWindow = coreWebView;
Args.Handled = true;
Def.Complete();
Def = null;
}
}
void DeferredCustomClientCertificateSelectionDialog()
{
// Safeguarding the handler when unsupported runtime is used.
try
{
if (!_isCustomClientCertificateSelectionDialog)
{
webView.CoreWebView2.ClientCertificateRequested += delegate(
object sender, CoreWebView2ClientCertificateRequestedEventArgs args)
{
// Developer can obtain a deferral for the event so that the WebView2
// doesn't examine the properties we set on the event args until
// after the deferral completes asynchronously.
CoreWebView2Deferral deferral = args.GetDeferral();
System.Threading.SynchronizationContext.Current.Post((_) =>
{
using (deferral)
{
IReadOnlyList <CoreWebView2ClientCertificate> certificateList = args.MutuallyTrustedCertificates;
if (certificateList.Count() > 0)
{
// Display custom dialog box for the client certificate selection.
var dialog = new ClientCertificateSelectionDialog(
title: "Select a Certificate for authentication",
host: args.Host,
port: args.Port,
client_cert_list: certificateList);
if (dialog.ShowDialog() == true)
{
// Continue with the selected certificate to respond to the server if `OK` is selected.
args.SelectedCertificate = (CoreWebView2ClientCertificate)dialog.CertificateDataBinding.SelectedItem;
}
// Continue without a certificate to respond to the server if `CANCEL` is selected.
args.Handled = true;
}
else
{
// Continue without a certificate to respond to the server if certificate list is empty.
args.Handled = true;
}
}
}, null);
};
_isCustomClientCertificateSelectionDialog = true;
MessageBox.Show("Custom Client Certificate selection dialog will be used next when WebView2 is making a " +
"request to an HTTP server that needs a client certificate.", "Client certificate selection");
}
}
catch (NotImplementedException exception)
{
MessageBox.Show(this, "Custom client certificate selection dialog Failed: " + exception.Message, "Client certificate selection");
}
}
private async void CoreWebView2_NewWindowRequestedAsync(object sender, CoreWebView2NewWindowRequestedEventArgs e)
{
CoreWebView2Deferral def = e.GetDeferral();
Tab nTab = new();
MainBrowser.HandleNewTabRequestAsync(nTab);
await nTab.CreateTabFromNewWindowRequested(CoreWebView2.Environment, true, MainBrowser);
e.NewWindow = nTab.CoreWebView2;
e.Handled = true;
def.Complete();
}
void DownloadStartingCmdExecuted(object target, ExecutedRoutedEventArgs e)
{
try
{
webView.CoreWebView2.DownloadStarting += delegate(
object sender, CoreWebView2DownloadStartingEventArgs args)
{
// Developer can obtain a deferral for the event so that the CoreWebView2
// doesn't examine the properties we set on the event args until
// after the deferral completes asynchronously.
CoreWebView2Deferral deferral = args.GetDeferral();
// We avoid potential reentrancy from running a message loop in the download
// starting event handler by showing our download dialog later when we
// complete the deferral asynchronously.
System.Threading.SynchronizationContext.Current.Post((_) =>
{
using (deferral)
{
// Hide the default download dialog.
args.Handled = true;
var dialog = new TextInputDialog(
title: "Download Starting",
description: "Enter new result file path or select OK to keep default path. Select cancel to cancel the download.",
defaultInput: args.ResultFilePath);
if (dialog.ShowDialog() == true)
{
args.ResultFilePath = dialog.Input.Text;
UpdateProgress(args.DownloadOperation);
}
else
{
args.Cancel = true;
}
}
}, null);
};
webView.CoreWebView2.Navigate("https://demo.smartscreen.msft.net/");
}
catch (NotImplementedException exception)
{
MessageBox.Show(this, "DownloadStarting Failed: " + exception.Message, "Download Starting");
}
}
private void WebView2Control_CoreWebView2Ready(object sender, EventArgs e)
{
HandleResize();
_webView2Control.Source = new Uri("https://www.bing.com/");
_webView2Control.CoreWebView2.SourceChanged += CoreWebView2_SourceChanged;
_webView2Control.CoreWebView2.HistoryChanged += CoreWebView2_HistoryChanged;
_webView2Control.CoreWebView2.DocumentTitleChanged += CoreWebView2_DocumentTitleChanged;
_webView2Control.CoreWebView2.AddWebResourceRequestedFilter("*", CoreWebView2WebResourceContext.Image);
_webView2Control.CoreWebView2.NewWindowRequested += CoreWebView2_NewWindowRequested;
UpdateTitleWithEvent("CoreWebView2Ready");
if (_newWindowRequestedEventArgs != null)
{
_newWindowRequestedEventArgs.NewWindow = _webView2Control.CoreWebView2;
_newWindowRequestedEventArgs.Handled = true;
_newWindowDeferral.Complete();
_newWindowRequestedEventArgs = null;
_newWindowDeferral = null;
}
}
public WebView2Manager(WebView2 webview2, CoreWebView2Deferral deferral)
{
WebView2 = webview2;
Deferral = deferral;
GUID = Guid.NewGuid().ToString();
}
public BrowserForm(CoreWebView2NewWindowRequestedEventArgs args, CoreWebView2Deferral deferral) : this()
{
_newWindowRequestedEventArgs = args;
_newWindowDeferral = deferral;
}
public void AddNewTab(CoreWebView2NewWindowRequestedEventArgs e)
{
Args = e;
Def = e.GetDeferral();
this.Source = new Uri(e.Uri);
}