next_tag( array( 'class_name' => 'wp-block-gutsliders-videos-carousel' ) ) ) {
$processor->set_attribute( 'data-embed-preview', 'true' );
$block_content = $processor->get_updated_html();
}
}
if ( ! empty( $attrs['videoSchema'] ) ) {
$block_content .= $this->get_schema( $attrs );
}
return $block_content;
}
/**
* VideoObject structured data for the carousel's videos (Google video results).
* Videos without a still image are left out: Google requires one.
*
* @since 3.1.1
*
* @param array $attrs Block attributes.
* @return string `';
}
/**
* A video's upload date (ISO 8601): the one set on the video, else the page's date.
*
* @since 3.1.1
*
* @param array $item Video item.
* @return string Date.
*/
private function get_upload_date( array $item ): string {
if ( ! empty( $item['uploadDate'] ) && preg_match( '/^\d{4}-\d{2}-\d{2}$/', (string) $item['uploadDate'] ) ) {
try {
return ( new \DateTimeImmutable( $item['uploadDate'] . ' 00:00:00', wp_timezone() ) )->format( 'c' );
} catch ( \Exception $e ) {
unset( $e );
}
}
$date = get_the_date( 'c' );
return $date ? (string) $date : gmdate( 'c' );
}
/**
* "4:12" or "1:02:03" as an ISO 8601 duration (PT4M12S); '' when unreadable.
*
* @since 3.1.1
*
* @param string $duration Duration as shown on the card.
* @return string ISO duration.
*/
private function get_iso_duration( string $duration ): string {
if ( ! preg_match( '/^(?:(\d+):)?(\d{1,2}):(\d{2})$/', trim( $duration ), $match ) ) {
return '';
}
$hours = (int) $match[1];
$minutes = (int) $match[2];
$seconds = (int) $match[3];
return 'PT' . ( $hours ? $hours . 'H' : '' ) . ( $minutes ? $minutes . 'M' : '' ) . $seconds . 'S';
}
/**
* Adjust the block's iframes and play buttons.
*
* @since 3.1.1
*
* @param string $block_content Rendered block HTML.
* @param array $block Parsed block.
* @return string Block HTML.
*/
public function tune_players( $block_content, $block = array() ): string {
$block_content = (string) $block_content;
if ( false === stripos( $block_content, 'next_tag() ) {
$tag = $processor->get_tag();
// Each slide holds one video; count slides to find its item.
if ( 'DIV' === $tag && $processor->has_class( 'swiper-slide' ) ) {
++$slide;
continue;
}
$item = isset( $items[ $slide ] ) && is_array( $items[ $slide ] ) ? $items[ $slide ] : array();
$name = $this->get_video_name( $item, max( 0, $slide ) );
if ( 'BUTTON' === $tag && $processor->has_class( 'play-btn' ) && null === $processor->get_attribute( 'aria-label' ) ) {
/* translators: %s: video name. */
$processor->set_attribute( 'aria-label', sprintf( __( 'Play video: %s', 'slider-blocks' ), $name ) );
continue;
}
// Self-hosted players (Classic): a name for screen readers.
if ( 'VIDEO' === $tag && $processor->has_class( 'video-carousel-slide' ) ) {
if ( null === $processor->get_attribute( 'aria-label' ) ) {
$processor->set_attribute( 'aria-label', $name );
}
continue;
}
if ( 'IFRAME' !== $tag ) {
continue;
}
$src = (string) $processor->get_attribute( 'src' );
if ( 'video-carousel-slide' === $processor->get_attribute( 'title' ) ) {
$processor->set_attribute( 'title', $name );
}
// youtube.com or the privacy-enhanced youtube-nocookie.com.
if ( preg_match( '#youtube(?:-nocookie)?\.com/embed#i', $src ) && null === $processor->get_attribute( 'referrerpolicy' ) ) {
$processor->set_attribute( 'referrerpolicy', 'strict-origin-when-cross-origin' );
}
if ( preg_match( '/[?&]autoplay=1\b/', $src ) ) {
$has_thumbnail = $custom_poster && ! empty( $item['thumbnail']['url'] );
if ( 0 === $player && ! $has_thumbnail ) {
// Browsers only start playback by themselves when it's muted.
$src = (string) preg_replace( '/([?&])mute=0\b/', '$1mute=1', $src );
if ( ! preg_match( '/[?&]mute=1\b/', $src ) ) {
$src .= ( false === strpos( $src, '?' ) ? '?' : '&' ) . 'mute=1';
}
} else {
$src = (string) preg_replace( '/([?&])autoplay=1\b/', '$1autoplay=0', $src );
}
$processor->set_attribute( 'src', $src );
}
if ( $player > 0 && null === $processor->get_attribute( 'loading' ) ) {
$processor->set_attribute( 'loading', 'lazy' );
}
++$player;
}
return $processor->get_updated_html();
}
/**
* A human name for a video: its title, its editor name, else "Video N".
*
* @since 3.1.1
*
* @param array $item Video item.
* @param int $index Position in the carousel.
* @return string Name.
*/
private function get_video_name( array $item, int $index ): string {
foreach ( array( 'title', 'panelTitle' ) as $key ) {
if ( ! empty( $item[ $key ] ) && is_string( $item[ $key ] ) ) {
return wp_strip_all_tags( $item[ $key ] );
}
}
/* translators: %d: video position in the carousel. */
return sprintf( __( 'Video %d', 'slider-blocks' ), $index + 1 );
}
}