/**
* {@inheritdoc}
*/
public function processAttachments(AttachmentsInterface $response)
{
// @todo Convert to assertion once https://www.drupal.org/node/2408013 lands
if (!$response instanceof AjaxResponse) {
throw new \InvalidArgumentException('\\Drupal\\Core\\Ajax\\AjaxResponse instance expected.');
}
$request = $this->requestStack->getCurrentRequest();
if ($response->getContent() == '{}') {
$response->setData($this->buildAttachmentsCommands($response, $request));
}
return $response;
}
/**
* {@inheritdoc}
*/
public function processAttachments(AttachmentsInterface $response)
{
// @todo Convert to assertion once https://www.drupal.org/node/2408013 lands
if (!$response instanceof HtmlResponse) {
throw new \InvalidArgumentException('\\Drupal\\Core\\Render\\HtmlResponse instance expected.');
}
$attached = $response->getAttachments();
// Get the placeholders from attached and then remove them.
$placeholders = $attached['html_response_placeholders'];
unset($attached['html_response_placeholders']);
$variables = $this->processAssetLibraries($attached, $placeholders);
// Handle all non-asset attachments. This populates drupal_get_html_head()
// and drupal_get_http_header().
$all_attached = ['#attached' => $attached];
drupal_process_attached($all_attached);
// Get HTML head elements - if present.
if (isset($placeholders['head'])) {
$variables['head'] = drupal_get_html_head(FALSE);
}
// Now replace the placeholders in the response content with the real data.
$this->renderPlaceholders($response, $placeholders, $variables);
// Finally set the headers on the response.
$headers = drupal_get_http_header();
$this->setHeaders($response, $headers);
return $response;
}