/**
* {@inheritdoc}
*/
public function process($text, $langcode)
{
$response = new FilterProcessResult($text);
// Use a look ahead to match the capture groups in any order.
if (preg_match_all('/(<p>)?(?<json>{(?=.*preview_thumbnail\\b)(?=.*settings\\b)(?=.*video_url\\b)(?=.*settings_summary)(.*)})(<\\/p>)?/', $text, $matches)) {
foreach ($matches['json'] as $delta => $match) {
// Ensure the JSON string is valid.
$embed_data = json_decode($match, TRUE);
if (!is_array($embed_data)) {
continue;
}
// If the URL can't matched to a provider or the settings are invalid,
// ignore it.
$provider = $this->providerManager->loadProviderFromInput($embed_data['video_url']);
if (!$provider || !$this->validSettings($embed_data['settings'])) {
continue;
}
$autoplay = $this->currentUser->hasPermission('never autoplay videos') ? FALSE : $embed_data['settings']['autoplay'];
$embed_code = $provider->renderEmbedCode($embed_data['settings']['width'], $embed_data['settings']['height'], $autoplay);
// Add the container to make the video responsive if it's been
// configured as such. This usually is attached to field output in the
// case of a formatter, but a custom container must be used where one is
// not present.
if ($embed_data['settings']['responsive']) {
$embed_code = ['#type' => 'container', '#attributes' => ['class' => ['video-embed-field-responsive-video']], 'children' => $embed_code];
}
// Replace the JSON settings with a video.
$text = str_replace($matches[0][$delta], $this->renderer->renderRoot($embed_code), $text);
}
}
// Add the required responsive video library and update the response text.
$response->setProcessedText($text);
$response->addAttachments(['library' => ['video_embed_field/responsive-video']]);
$response->setCacheContexts(['user.permissions']);
return $response;
}
