jetpack / modules / theme-tools / responsive-videos.php

responsive-videos.php in Jetpack – WP Security, Backup, Speed, & Growth 7.2.2, at modules/theme-tools/responsive-videos.php

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1	<?php
2
3	/**
4	* Load the Responsive videos plugin
5	*/
6	function jetpack_responsive_videos_init() {
7
8	/* If the doesn't theme support 'jetpack-responsive-videos', don't continue */
9	if ( ! current_theme_supports( 'jetpack-responsive-videos' ) ) {
10	return;
11	}
12
13	/* If the theme does support 'jetpack-responsive-videos', wrap the videos */
14	add_filter( 'wp_video_shortcode', 'jetpack_responsive_videos_embed_html' );
15	add_filter( 'video_embed_html', 'jetpack_responsive_videos_embed_html' );
16
17	/* Only wrap oEmbeds if video */
18	add_filter( 'embed_oembed_html', 'jetpack_responsive_videos_maybe_wrap_oembed', 10, 2 );
19	add_filter( 'embed_handler_html', 'jetpack_responsive_videos_maybe_wrap_oembed', 10, 2 );
20
21	/* Wrap videos in Buddypress */
22	add_filter( 'bp_embed_oembed_html', 'jetpack_responsive_videos_embed_html' );
23
24	/* Wrap Slideshare shortcodes */
25	add_filter( 'jetpack_slideshare_shortcode', 'jetpack_responsive_videos_embed_html' );
26
27	// Remove the Jetpack Responsive video wrapper in embed blocks on sites that support core Responsive embeds.
28	if ( current_theme_supports( 'responsive-embeds' ) ) {
29	add_filter( 'render_block', 'jetpack_responsive_videos_remove_wrap_oembed', 10, 2 );
30	}
31	}
32	add_action( 'after_setup_theme', 'jetpack_responsive_videos_init', 99 );
33
34
35	/**
36	* Adds a wrapper to videos and enqueue script
37	*
38	* @return string
39	*/
40	function jetpack_responsive_videos_embed_html( $html ) {
41	if ( empty( $html ) \|\| ! is_string( $html ) ) {
42	return $html;
43	}
44
45	// The customizer video widget wraps videos with a class of wp-video
46	// mejs as of 4.9 apparently resizes videos too which causes issues
47	// skip the video if it is wrapped in wp-video.
48	$video_widget_wrapper = 'class="wp-video"';
49
50	$mejs_wrapped = strpos( $html, $video_widget_wrapper );
51
52	// If this is a video widget wrapped by mejs, return the html.
53	if ( false !== $mejs_wrapped ) {
54	return $html;
55	}
56
57	if ( defined( 'SCRIPT_DEBUG' ) && true == SCRIPT_DEBUG ) {
58	wp_enqueue_script( 'jetpack-responsive-videos-script', plugins_url( 'responsive-videos/responsive-videos.js', __FILE__ ), array( 'jquery' ), '1.3', true );
59	} else {
60	wp_enqueue_script( 'jetpack-responsive-videos-min-script', plugins_url( 'responsive-videos/responsive-videos.min.js', __FILE__ ), array( 'jquery' ), '1.3', true );
61	}
62
63	// Enqueue CSS to ensure compatibility with all themes
64	wp_enqueue_style( 'jetpack-responsive-videos-style', plugins_url( 'responsive-videos/responsive-videos.css', __FILE__ ) );
65
66	return '<div class="jetpack-video-wrapper">' . $html . '</div>';
67	}
68
69	/**
70	* Check if oEmbed is a `$video_patterns` provider video before wrapping.
71	*
72	* @param mixed $html The cached HTML result, stored in post meta.
73	* @param string $url he attempted embed URL.
74	*
75	* @return string
76	*/
77	function jetpack_responsive_videos_maybe_wrap_oembed( $html, $url = null ) {
78	if ( empty( $html ) \|\| ! is_string( $html ) \|\| ! $url ) {
79	return $html;
80	}
81
82	$jetpack_video_wrapper = '<div class="jetpack-video-wrapper">';
83
84	$already_wrapped = strpos( $html, $jetpack_video_wrapper );
85
86	// If the oEmbed has already been wrapped, return the html.
87	if ( false !== $already_wrapped ) {
88	return $html;
89	}
90
91	/**
92	* oEmbed Video Providers.
93	*
94	* A whitelist of oEmbed video provider Regex patterns to check against before wrapping the output.
95	*
96	* @module theme-tools
97	*
98	* @since 3.8.0
99	*
100	* @param array $video_patterns oEmbed video provider Regex patterns.
101	*/
102	$video_patterns = apply_filters(
103	'jetpack_responsive_videos_oembed_videos',
104	array(
105	'https?://((m\|www)\.)?youtube\.com/watch',
106	'https?://((m\|www)\.)?youtube\.com/playlist',
107	'https?://youtu\.be/',
108	'https?://(.+\.)?vimeo\.com/',
109	'https?://(www\.)?dailymotion\.com/',
110	'https?://dai.ly/',
111	'https?://(www\.)?hulu\.com/watch/',
112	'https?://wordpress.tv/',
113	'https?://(www\.)?funnyordie\.com/videos/',
114	'https?://vine.co/v/',
115	'https?://(www\.)?collegehumor\.com/video/',
116	'https?://(www\.\|embed\.)?ted\.com/talks/',
117	)
118	);
119
120	// Merge patterns to run in a single preg_match call.
121	$video_patterns = '(' . implode( '\|', $video_patterns ) . ')';
122
123	$is_video = preg_match( $video_patterns, $url );
124
125	// If the oEmbed is a video, wrap it in the responsive wrapper.
126	if ( false === $already_wrapped && 1 === $is_video ) {
127	return jetpack_responsive_videos_embed_html( $html );
128	}
129
130	return $html;
131	}
132
133	/**
134	* Remove the Jetpack Responsive video wrapper in embed blocks.
135	*
136	* @since 7.0.0
137	*
138	* @param string $block_content The block content about to be appended.
139	* @param array $block The full block, including name and attributes.
140	*
141	* @return string $block_content String of rendered HTML.
142	*/
143	function jetpack_responsive_videos_remove_wrap_oembed( $block_content, $block ) {
144	if (
145	isset( $block['blockName'] )
146	&& false !== strpos( $block['blockName'], 'core-embed' )
147	) {
148	$block_content = preg_replace( '#<div class="jetpack-video-wrapper">(.*?)</div>#', '${1}', $block_content );
149	}
150
151	return $block_content;
152	}
153