<?php
/**
 * Yoast SEO Video plugin file.
 *
 * @package    Internals
 * @since      1.8.0
 * @version    1.8.0
 */

// Avoid direct calls to this file.
if ( ! class_exists( 'WPSEO_Video_Sitemap' ) ) {
	header( 'Status: 403 Forbidden' );
	header( 'HTTP/1.1 403 Forbidden' );
	exit();
}

/**
 * Add support for the Media Element Player plugin
 *
 * @todo     - we may want to remove the support for this plugin as the functionality has been included in core since WP3.6
 *
 * @link https://wordpress.org/plugins/media-element-html5-video-and-audio-player/
 *
 * {@internal Last update: July 2014 based upon v 2.10.3.}
 */
if ( ! class_exists( 'WPSEO_Video_Plugin_Media_Element_Player' ) ) {

	/**
	 * Class WPSEO_Video_Plugin_Media_Element_Player
	 */
	class WPSEO_Video_Plugin_Media_Element_Player extends WPSEO_Video_Support_Core {

		/**
		 * Regular expression to use to find the video file.
		 *
		 * {@internal Set here as this class extends the WP Core class which uses
		 *            a slightly different regex, though the rest of the shortcode
		 *            implementation is the same.}
		 *
		 * @var string
		 */
		protected $att_regex = '`(?:mp4|wmv|ogg|webm|flv|src)=([\'"])?([^\'"\s]+)[\1\s]?`';

		/**
		 * Conditionally add plugin features to analyse for video content
		 */
		public function __construct() {
			if ( function_exists( 'mejs_video_shortcode' ) ) {
				$this->shortcodes[] = 'video';
				$this->shortcodes[] = 'mejsvideo';
			}
		}

		/**
		 * Analyse a video shortcode from the plugin for usable video information
		 *
		 * @param string $full_shortcode Full shortcode as found in the post content.
		 * @param string $sc             Shortcode found.
		 * @param array  $atts           Shortcode attributes - already decoded if needed.
		 * @param string $content        The shortcode content, i.e. the bit between [sc]content[/sc].
		 *
		 * @return array An array with the usable information found or else an empty array
		 */
		public function get_info_from_shortcode( $full_shortcode, $sc, $atts = array(), $content = '' ) {
			return parent::get_info_from_shortcode_video( $full_shortcode, $sc, $atts, $content );
		}
	}

}