public function copyProperties(sfWebResponse $response)
{
$this->options = $response->getOptions();
$this->headers = $response->getHttpHeaders();
$this->metas = $response->getMetas();
$this->httpMetas = $response->getHttpMetas();
$this->stylesheets = $response->getStylesheets(self::RAW);
$this->javascripts = $response->getJavascripts(self::RAW);
$this->slots = $response->getSlots();
$this->options['http_protocol'] = isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0';
}