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Edit File: responsive-videos.php

<?php
/**
 * Theme Tools: Responsive videos enhancements.
 *
 * @package automattic/jetpack
 */

use Automattic\Jetpack\Assets;

if ( ! class_exists( '\Automattic\Jetpack\Classic_Theme_Helper\Main' ) ) {
		/**
		 * Load the Responsive videos plugin
		 *
		 * @deprecated 13.7 Moved to Classic Theme Helper package.
		 */
	function jetpack_responsive_videos_init() {
		_deprecated_function( __FUNCTION__, 'jetpack-13.7' );

/* If the doesn't theme support 'jetpack-responsive-videos', don't continue */
		if ( ! current_theme_supports( 'jetpack-responsive-videos' ) ) {
			return;
		}

/* If the theme does support 'jetpack-responsive-videos', wrap the videos */
		add_filter( 'wp_video_shortcode', 'jetpack_responsive_videos_embed_html' );
		add_filter( 'video_embed_html', 'jetpack_responsive_videos_embed_html' );

/* Only wrap oEmbeds if video */
		add_filter( 'embed_oembed_html', 'jetpack_responsive_videos_maybe_wrap_oembed', 10, 2 );
		add_filter( 'embed_handler_html', 'jetpack_responsive_videos_maybe_wrap_oembed', 10, 2 );

/* Wrap videos in Buddypress */
		add_filter( 'bp_embed_oembed_html', 'jetpack_responsive_videos_embed_html' );

/* Wrap Slideshare shortcodes */
		add_filter( 'jetpack_slideshare_shortcode', 'jetpack_responsive_videos_embed_html' );

// Remove the Jetpack Responsive video wrapper in embed blocks on sites that support core Responsive embeds.
		if ( current_theme_supports( 'responsive-embeds' ) ) {
			add_filter( 'render_block', 'jetpack_responsive_videos_remove_wrap_oembed', 10, 2 );
		}
	}
	add_action( 'after_setup_theme', 'jetpack_responsive_videos_init', 99 );

/**
	 * Adds a wrapper to videos and enqueue script
	 *
	 * @deprecated 13.7 Moved to Classic Theme Helper package.
	 *
	 * @param string $html The video embed HTML.
	 * @return string
	 */
	function jetpack_responsive_videos_embed_html( $html ) {
		_deprecated_function( __FUNCTION__, 'jetpack-13.7' );

if ( empty( $html ) || ! is_string( $html ) ) {
			return $html;
		}

// Short-circuit for AMP responses, since custom scripts are not allowed in AMP and videos are naturally responsive.
		if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) {
			return $html;
		}

// The customizer video widget wraps videos with a class of wp-video
		// mejs as of 4.9 apparently resizes videos too which causes issues
		// skip the video if it is wrapped in wp-video.
		$video_widget_wrapper = 'class="wp-video"';

$mejs_wrapped = strpos( $html, $video_widget_wrapper );

// If this is a video widget wrapped by mejs, return the html.
		if ( false !== $mejs_wrapped ) {
			return $html;
		}

Assets::register_script(
			'jetpack-responsive-videos',
			'_inc/build/theme-tools/responsive-videos/responsive-videos.min.js',
			JETPACK__PLUGIN_FILE,
			array(
				'in_footer'  => true,
				'enqueue'    => true,
				'textdomain' => 'jetpack',
				'css_path'   => '_inc/build/theme-tools/responsive-videos/responsive-videos.css',
			)
		);

return '<div class="jetpack-video-wrapper">' . $html . '</div>';
	}

/**
	 * Check if oEmbed is a `$video_patterns` provider video before wrapping.
	 *
	 * @deprecated 13.7 Moved to Classic Theme Helper package.
	 *
	 * @param mixed  $html The cached HTML result, stored in post meta.
	 * @param string $url  he attempted embed URL.
	 *
	 * @return string
	 */
	function jetpack_responsive_videos_maybe_wrap_oembed( $html, $url = null ) {
		_deprecated_function( __FUNCTION__, 'jetpack-13.7' );

if ( empty( $html ) || ! is_string( $html ) || ! $url ) {
			return $html;
		}

$jetpack_video_wrapper = '<div class="jetpack-video-wrapper">';

$already_wrapped = strpos( $html, $jetpack_video_wrapper );

// If the oEmbed has already been wrapped, return the html.
		if ( false !== $already_wrapped ) {
			return $html;
		}

/**
		 * The oEmbed video providers.
		 *
		 * An allowed list of oEmbed video provider Regex patterns to check against before wrapping the output.
		 *
		 * @module theme-tools
		 *
		 * @since 3.8.0
		 *
		 * @param array $video_patterns oEmbed video provider Regex patterns.
		 */
		$video_patterns = apply_filters(
			'jetpack_responsive_videos_oembed_videos',
			array(
				'https?://((m|www)\.)?youtube\.com/watch',
				'https?://((m|www)\.)?youtube\.com/playlist',
				'https?://youtu\.be/',
				'https?://(.+\.)?vimeo\.com/',
				'https?://(www\.)?dailymotion\.com/',
				'https?://dai.ly/',
				'https?://(www\.)?hulu\.com/watch/',
				'https?://wordpress.tv/',
				'https?://(www\.)?funnyordie\.com/videos/',
				'https?://vine.co/v/',
				'https?://(www\.)?collegehumor\.com/video/',
				'https?://(www\.|embed\.)?ted\.com/talks/',
			)
		);

// Merge patterns to run in a single preg_match call.
		$video_patterns = '(' . implode( '|', $video_patterns ) . ')';

$is_video = preg_match( $video_patterns, $url );

// If the oEmbed is a video, wrap it in the responsive wrapper.
		if ( false === $already_wrapped && 1 === $is_video ) {
			return jetpack_responsive_videos_embed_html( $html );
		}

return $html;
	}

/**
	 * Remove the Jetpack Responsive video wrapper in embed blocks.
	 *
	 * @since 7.0.0
	 *
	 * @deprecated 13.7 Moved to Classic Theme Helper package.
	 *
	 * @param string $block_content The block content about to be appended.
	 * @param array  $block         The full block, including name and attributes.
	 *
	 * @return string $block_content String of rendered HTML.
	 */
	function jetpack_responsive_videos_remove_wrap_oembed( $block_content, $block ) {
		_deprecated_function( __FUNCTION__, 'jetpack-13.7' );

if (
			isset( $block['blockName'] )
			&& (
				str_contains( $block['blockName'], 'core-embed' ) // pre-WP 5.6 embeds (multiple embed blocks starting with 'core-embed').
				|| 'core/embed' === $block['blockName'] // WP 5.6 embed block format (single embed block w/ block variations).
			)
		) {
			$block_content = preg_replace( '#<div class="jetpack-video-wrapper">(.*?)</div>#', '${1}', $block_content );
		}

return $block_content;
	}
}

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