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<?php /** * Class AMP_O2_Player_Sanitizer * * @package AMP */ use AmpProject\Dom\Document; /** * Class AMP_O2_Player_Sanitizer * * Converts <div class="vdb_player><script></script></div> embed to <amp-o2-player> * * @since 1.0 * @see https://www.ampproject.org/docs/reference/components/amp-o2-player * @internal */ class AMP_O2_Player_Sanitizer extends AMP_Base_Sanitizer { /** * Pattern to extract the information required for amp-o2-player element: data-pid, data-vid, data-bcid. * * @since 1.0 */ const URL_PATTERN = '#.*delivery.vidible.tv\/jsonp\/pid=(?<data_pid>.*)\/vid=(?<data_vid>.*)\/(?<data_bcid>.*).js.*#i'; /** * AMP Tag. * * @since 1.0 * @var string AMP Tag. */ private static $amp_tag = 'amp-o2-player'; /** * AMP O2 Player class. * * @since 1.0 * @var string CSS class to identify O2 Player <div> to replace with AMP version. */ private static $xpath_selector = '//div[ contains( @class, \'vdb_player\' ) ]/script'; /** * Height to set for O2 Player elements. * * @since 1.0 * @var string */ private static $height = '270'; /** * Width to set for O2 Player elements. * * @since 1.0 * @var string */ private static $width = '480'; /** * Sanitize the O2 Player elements from the HTML contained in this instance's Dom\Document. * * @since 1.0 */ public function sanitize() { /** * Node list. * * @var DOMNodeList $nodes */ $nodes = $this->dom->xpath->query( self::$xpath_selector ); $num_nodes = $nodes->length; if ( 0 === $num_nodes ) { return; } for ( $i = $num_nodes - 1; $i >= 0; $i-- ) { $node = $nodes->item( $i ); if ( $node instanceof DOMElement ) { $this->create_amp_o2_player( $this->dom, $node ); } } } /** * Replaces node with amp-o2-player * * @since 1.0 * @param Document $dom The HTML Document. * @param DOMElement $node The DOMNode to adjust and replace. */ private function create_amp_o2_player( Document $dom, DOMElement $node ) { $o2_attributes = $this->get_o2_player_attributes( $node->getAttribute( 'src' ) ); if ( ! empty( $o2_attributes ) ) { $component_attributes = array_merge( $o2_attributes, [ 'data-macros' => 'm.playback=click', 'layout' => 'responsive', 'width' => self::$width, 'height' => self::$height, ] ); $amp_o2_player = AMP_DOM_Utils::create_node( $dom, self::$amp_tag, $component_attributes ); $parent_node = $node->parentNode; // replaces the wrapper that contains the script with amp-o2-player element. $parent_node->parentNode->replaceChild( $amp_o2_player, $parent_node ); $this->did_convert_elements = true; } } /** * Gets O2 Player's required attributes from script src * * @since 1.0 * @param string $src Script src. * * @return array The data-* attributes for o2 player. */ private function get_o2_player_attributes( $src ) { $found = preg_match( self::URL_PATTERN, $src, $matches ); if ( $found ) { return [ 'data-pid' => $matches['data_pid'], 'data-vid' => $matches['data_vid'], 'data-bcid' => $matches['data_bcid'], ]; } return []; } }
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