private IEngine CreateEngine()
{
string[] arguments = Environment.GetCommandLineArgs();
RenderingMode = RenderingMode.HardwareAccelerated;
if (arguments.FirstOrDefault(arg => arg.ToLower().Contains("lightweight")) != null)
{
RenderingMode = RenderingMode.OffScreen;
}
if (arguments.FirstOrDefault(arg => arg.ToLower().Contains("enable-file-log")) != null)
{
LoggerProvider.Instance.Level = SourceLevels.Verbose;
LoggerProvider.Instance.FileLoggingEnabled = true;
string logFile = $"DotNetBrowser-WinForms-{Guid.NewGuid()}.log";
LoggerProvider.Instance.OutputFile = Path.GetFullPath(logFile);
}
try
{
IEngine engine = EngineFactory.Create(new EngineOptions.Builder
{
RenderingMode = RenderingMode,
Schemes =
{
{ Scheme.Http, new WinFormsInterceptRequestHandler() }
}
}.Build());
engine.Network.AuthenticateHandler = new DefaultAuthenticationHandler(this);
engine.Permissions.RequestPermissionHandler =
new Handler <RequestPermissionParameters, RequestPermissionResponse>(p => RequestPermissionResponse.Grant());
engine.Disposed += (sender, args) =>
{
if (args.ExitCode != 0)
{
string message = $"The Chromium engine exit code was {args.ExitCode:x8}";
Trace.WriteLine(message);
MessageBox.Show(message,
"DotNetBrowser Warning", MessageBoxButtons.OK,
MessageBoxIcon.Warning);
}
};
return(engine);
}
catch (Exception e)
{
Trace.WriteLine(e);
MessageBox.Show(e.Message, "DotNetBrowser Initialization Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
return(null);
}
}
/// <summary>
/// Grants a permission to display notifications on the website.
/// </summary>
private static RequestPermissionResponse OnRequestPermission(RequestPermissionParameters arg)
=> arg.Type == PermissionType.Notifications
? RequestPermissionResponse.Grant()
: RequestPermissionResponse.Deny();
