public ExtendedWebBrowserEventHelper(ExtendedWebBrowser parent)
{
this.parent = parent;
}
public async Task <InvokeResult> InvokeAsync(InvokeOptions options)
{
using (var form = _formFactory.Invoke())
using (var browser = new ExtendedWebBrowser()
{
Dock = DockStyle.Fill
})
{
var signal = new SemaphoreSlim(0, 1);
var result = new InvokeResult
{
ResultType = InvokeResultType.UserCancel
};
form.FormClosed += (o, e) =>
{
signal.Release();
};
browser.NavigateError += (o, e) =>
{
e.Cancel = true;
result.ResultType = InvokeResultType.HttpError;
result.Error = e.StatusCode.ToString();
signal.Release();
};
browser.BeforeNavigate2 += (o, e) =>
{
if (e.Url.StartsWith(options.EndUrl))
{
e.Cancel = true;
result.ResultType = InvokeResultType.Success;
if (options.ResponseMode == ResponseMode.FormPost)
{
result.Response = Encoding.UTF8.GetString(e.PostData ?? new byte[] { });
}
else
{
result.Response = e.Url;
}
signal.Release();
}
};
form.Controls.Add(browser);
browser.Show();
System.Threading.Timer timer = null;
if (options.InitialDisplayMode != DisplayMode.Visible)
{
result.ResultType = InvokeResultType.Timeout;
timer = new System.Threading.Timer((o) =>
{
var args = new HiddenModeFailedEventArgs(result);
HiddenModeFailed?.Invoke(this, args);
if (args.Cancel)
{
browser.Stop();
form.Invoke(new Action(() => form.Close()));
}
else
{
form.Invoke(new Action(() => form.Show()));
}
}, null, (int)options.InvisibleModeTimeout.TotalSeconds * 1000, Timeout.Infinite);
}
else
{
form.Show();
}
browser.Navigate(options.StartUrl);
await signal.WaitAsync();
if (timer != null)
{
timer.Change(Timeout.Infinite, Timeout.Infinite);
}
form.Hide();
browser.Hide();
return(result);
}
}