| @@ -1,0 +1,123 @@ | ||
| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * Spotify shortcode. | |
| 4 | + * | |
| 5 | + * Usage: | |
| 6 | + * [spotify id="spotify:track:4bz7uB4edifWKJXSDxwHcs" width="400" height="100"] | |
| 7 | + * | |
| 8 | + * @package automattic/jetpack | |
| 9 | + */ | |
| 10 | + | |
| 11 | +if ( ! defined( 'ABSPATH' ) ) { | |
| 12 | + exit( 0 ); | |
| 13 | +} | |
| 14 | + | |
| 15 | +if ( ! shortcode_exists( 'spotify' ) ) { | |
| 16 | + add_shortcode( 'spotify', 'jetpack_spotify_shortcode' ); | |
| 17 | +} | |
| 18 | + | |
| 19 | +/** | |
| 20 | + * Parse shortcode arguments and render its output. | |
| 21 | + * | |
| 22 | + * @since 4.5.0 | |
| 23 | + * | |
| 24 | + * @param array $atts Shortcode attributes. | |
| 25 | + * @param string $content Post Content. | |
| 26 | + * | |
| 27 | + * @return string | |
| 28 | + */ | |
| 29 | +function jetpack_spotify_shortcode( $atts = array(), $content = '' ) { | |
| 30 | + if ( ! is_array( $atts ) ) { | |
| 31 | + $atts = array(); | |
| 32 | + } | |
| 33 | + | |
| 34 | + if ( ! empty( $content ) ) { | |
| 35 | + $id = $content; | |
| 36 | + } elseif ( ! empty( $atts['id'] ) ) { | |
| 37 | + $id = $atts['id']; | |
| 38 | + } elseif ( ! empty( $atts[0] ) ) { | |
| 39 | + $id = $atts[0]; | |
| 40 | + } else { | |
| 41 | + return '<!-- Missing Spotify ID -->'; | |
| 42 | + } | |
| 43 | + | |
| 44 | + if ( empty( $atts['width'] ) ) { | |
| 45 | + $atts['width'] = 300; | |
| 46 | + } | |
| 47 | + | |
| 48 | + if ( empty( $atts['height'] ) ) { | |
| 49 | + $atts['height'] = 380; | |
| 50 | + } | |
| 51 | + | |
| 52 | + $atts['width'] = (int) $atts['width']; | |
| 53 | + $atts['height'] = (int) $atts['height']; | |
| 54 | + | |
| 55 | + // Spotify accepts both URLs and their Spotify ID format, so let them sort it out and validate. | |
| 56 | + $embed_url = add_query_arg( 'uri', rawurlencode( $id ), 'https://embed.spotify.com/' ); | |
| 57 | + | |
| 58 | + // If the shortcode is displayed in a WPCOM notification, display a simple link only. | |
| 59 | + // When the shortcode is displayed in the WPCOM Reader, use iframe instead. | |
| 60 | + if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { | |
| 61 | + require_once WP_CONTENT_DIR . '/lib/display-context.php'; | |
| 62 | + $context = A8C\Display_Context\get_current_context(); | |
| 63 | + if ( A8C\Display_Context\NOTIFICATIONS === $context ) { | |
| 64 | + return sprintf( | |
| 65 | + '<a href="%1$s" target="_blank" rel="noopener noreferrer">%1$s</a>', | |
| 66 | + esc_url( $id ) | |
| 67 | + ); | |
| 68 | + } elseif ( A8C\Display_Context\READER === $context ) { | |
| 69 | + return sprintf( | |
| 70 | + '<iframe src="%1$s" height="%2$s" width="%3$s"></iframe>', | |
| 71 | + esc_url( $embed_url ), | |
| 72 | + esc_attr( $atts['height'] ), | |
| 73 | + esc_attr( $atts['width'] ) | |
| 74 | + ); | |
| 75 | + } | |
| 76 | + } | |
| 77 | + | |
| 78 | + return '<iframe src="' . esc_url( $embed_url ) . '" style="display:block; margin:0 auto; width:' . esc_attr( $atts['width'] ) . 'px; height:' . esc_attr( $atts['height'] ) . 'px;" frameborder="0" allowtransparency="true" loading="lazy"></iframe>'; | |
| 79 | +} | |
| 80 | + | |
| 81 | +/** | |
| 82 | + * Turn text like this on it's own line into an embed: spotify:track:4bz7uB4edifWKJXSDxwHcs | |
| 83 | + * The core WordPress embed functionality only works with URLs | |
| 84 | + * Modified version of WP_Embed::autoembed() | |
| 85 | + * | |
| 86 | + * @since 4.5.0 | |
| 87 | + * | |
| 88 | + * @param string $content Post content. | |
| 89 | + * | |
| 90 | + * @return string | |
| 91 | + */ | |
| 92 | +function jetpack_spotify_embed_ids( $content ) { | |
| 93 | + $textarr = wp_html_split( $content ); | |
| 94 | + | |
| 95 | + foreach ( $textarr as &$element ) { | |
| 96 | + if ( '' === $element || '<' === $element[0] ) { | |
| 97 | + continue; | |
| 98 | + } | |
| 99 | + | |
| 100 | + // If this element does not contain a Spotify embed, continue. | |
| 101 | + if ( ! str_contains( $element, 'spotify:' ) ) { | |
| 102 | + continue; | |
| 103 | + } | |
| 104 | + | |
| 105 | + $element = preg_replace_callback( '|^\s*(spotify:[^\s"]+:[^\s"]+)\s*$|im', 'jetpack_spotify_embed_ids_callback', $element ); | |
| 106 | + } | |
| 107 | + | |
| 108 | + return implode( '', $textarr ); | |
| 109 | +} | |
| 110 | +add_filter( 'the_content', 'jetpack_spotify_embed_ids', 7 ); | |
| 111 | + | |
| 112 | +/** | |
| 113 | + * Call shortcode with ID provided by matching pattern. | |
| 114 | + * | |
| 115 | + * @since 4.5.0 | |
| 116 | + * | |
| 117 | + * @param array $matches Array of matches for Spofify links. | |
| 118 | + * | |
| 119 | + * @return string | |
| 120 | + */ | |
| 121 | +function jetpack_spotify_embed_ids_callback( $matches ) { | |
| 122 | + return "\n" . jetpack_spotify_shortcode( array(), $matches[1] ) . "\n"; | |
| 123 | +} | |