diff options
Diffstat (limited to 'plugins/jetpack/modules/videopress/shortcode.php')
| -rw-r--r-- | plugins/jetpack/modules/videopress/shortcode.php | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/videopress/shortcode.php b/plugins/jetpack/modules/videopress/shortcode.php new file mode 100644 index 00000000..21b163ef --- /dev/null +++ b/plugins/jetpack/modules/videopress/shortcode.php @@ -0,0 +1,248 @@ +<?php + +/** + * VideoPress Shortcode Handler + * + * This file may or may not be included from the Jetpack VideoPress module. + */ + +class VideoPress_Shortcode { + /** @var VideoPress_Shortcode */ + protected static $instance; + + protected function __construct() { + + // By explicitly declaring the provider here, we can speed things up by not relying on oEmbed discovery. + wp_oembed_add_provider( '#^https?://videopress.com/v/.*#', 'http://public-api.wordpress.com/oembed/1.0/', true ); + + add_shortcode( 'videopress', array( $this, 'shortcode_callback' ) ); + add_shortcode( 'wpvideo', array( $this, 'shortcode_callback' ) ); + + add_filter( 'wp_video_shortcode_override', array( $this, 'video_shortcode_override' ), 10, 4 ); + + add_filter( 'oembed_fetch_url', array( $this, 'add_oembed_for_parameter' ) ); + + $this->add_video_embed_hander(); + } + + /** + * @return VideoPress_Shortcode + */ + public static function initialize() { + if ( ! isset( self::$instance ) ) { + self::$instance = new self(); + } + + return self::$instance; + } + + /** + * Translate a 'videopress' or 'wpvideo' shortcode and arguments into a video player display. + * + * Expected input formats: + * + * [videopress OcobLTqC] + * [wpvideo OcobLTqC] + * + * @link http://codex.wordpress.org/Shortcode_API Shortcode API + * @param array $attr shortcode attributes + * @return string HTML markup or blank string on fail + */ + public function shortcode_callback( $attr ) { + global $content_width; + + /** + * We only accept GUIDs as a first unnamed argument. + */ + $guid = isset( $attr[0] ) ? $attr[0] : null; + + if ( isset( $attr['postid'] ) ) { + $guid = get_post_meta( $attr['postid'], 'videopress_guid', true ); + } + + /** + * Make sure the GUID passed in matches how actual GUIDs are formatted. + */ + if ( ! videopress_is_valid_guid( $guid ) ) { + return ''; + } + + /** + * Set the defaults + */ + $defaults = array( + 'w' => 0, // Width of the video player, in pixels + 'at' => 0, // How many seconds in to initially seek to + 'hd' => true, // Whether to display a high definition version + 'loop' => false, // Whether to loop the video repeatedly + 'freedom' => false, // Whether to use only free/libre codecs + 'autoplay' => false, // Whether to autoplay the video on load + 'permalink' => true, // Whether to display the permalink to the video + 'flashonly' => false, // Whether to support the Flash player exclusively + 'defaultlangcode' => false, // Default language code + ); + + $attr = shortcode_atts( $defaults, $attr, 'videopress' ); + + /** + * Cast the attributes, post-input. + */ + $attr['width'] = absint( $attr['w'] ); + $attr['hd'] = (bool) $attr['hd']; + $attr['freedom'] = (bool) $attr['freedom']; + + /** + * If the provided width is less than the minimum allowed + * width, or greater than `$content_width` ignore. + */ + if ( $attr['width'] < VIDEOPRESS_MIN_WIDTH ) { + $attr['width'] = 0; + } elseif ( isset( $content_width ) && $content_width > VIDEOPRESS_MIN_WIDTH && $attr['width'] > $content_width ) { + $attr['width'] = 0; + } + + /** + * If there was an invalid or unspecified width, set the width equal to the theme's `$content_width`. + */ + if ( 0 === $attr['width'] && isset( $content_width ) && $content_width >= VIDEOPRESS_MIN_WIDTH ) { + $attr['width'] = $content_width; + } + + /** + * If the width isn't an even number, reduce it by one (making it even). + */ + if ( 1 === ( $attr['width'] % 2 ) ) { + $attr['width'] --; + } + + /** + * Filter the default VideoPress shortcode options. + * + * @module videopress + * + * @since 2.5.0 + * + * @param array $args Array of VideoPress shortcode options. + */ + $options = apply_filters( + 'videopress_shortcode_options', + array( + 'at' => (int) $attr['at'], + 'hd' => $attr['hd'], + 'loop' => $attr['loop'], + 'freedom' => $attr['freedom'], + 'autoplay' => $attr['autoplay'], + 'permalink' => $attr['permalink'], + 'force_flash' => (bool) $attr['flashonly'], + 'defaultlangcode' => $attr['defaultlangcode'], + 'forcestatic' => false, // This used to be a displayed option, but now is only + // accessible via the `videopress_shortcode_options` filter. + ) + ); + + // Register VideoPress scripts + wp_register_script( 'videopress', 'https://v0.wordpress.com/js/videopress.js', array( 'jquery', 'swfobject' ), '1.09' ); + + require_once dirname( __FILE__ ) . '/class.videopress-video.php'; + require_once dirname( __FILE__ ) . '/class.videopress-player.php'; + + $player = new VideoPress_Player( $guid, $attr['width'], $options ); + + if ( is_feed() ) { + return $player->asXML(); + } else { + return $player->asHTML(); + } + } + + /** + * Override the standard video short tag to also process videopress files as well. + * + * This will, parse the src given, and if it is a videopress file, it will parse as the + * VideoPress shortcode instead. + * + * @param string $html Empty variable to be replaced with shortcode markup. + * @param array $attr Attributes of the video shortcode. + * @param string $content Video shortcode content. + * @param int $instance Unique numeric ID of this video shortcode instance. + * + * @return string + */ + public function video_shortcode_override( $html, $attr, $content, $instance ) { + + $videopress_guid = null; + + if ( isset( $attr['videopress_guid'] ) ) { + $videopress_guid = $attr['videopress_guid']; + + } else { + // Handle the different possible url attributes + $url_keys = array( 'src', 'mp4' ); + + foreach ( $url_keys as $key ) { + if ( isset( $attr[ $key ] ) ) { + $url = $attr[ $key ]; + // phpcs:ignore WordPress.WP.CapitalPDangit + if ( preg_match( '@videos.(videopress\.com|files\.wordpress\.com)/([a-z0-9]{8})/@i', $url, $matches ) ) { + $videopress_guid = $matches[2]; + } + + // Also test for videopress oembed url, which is used by the Video Media Widget. + if ( ! $videopress_guid && preg_match( '@https://videopress.com/v/([a-z0-9]{8})@i', $url, $matches ) ) { + $videopress_guid = $matches[1]; + } + + break; + } + } + } + + if ( $videopress_guid ) { + $videopress_attr = array( $videopress_guid ); + if ( isset( $attr['width'] ) ) { + $videopress_attr['w'] = (int) $attr['width']; + } + if ( isset( $attr['autoplay'] ) ) { + $videopress_attr['autoplay'] = $attr['autoplay']; + } + if ( isset( $attr['loop'] ) ) { + $videopress_attr['loop'] = $attr['loop']; + } + + // Then display the VideoPress version of the stored GUID! + return $this->shortcode_callback( $videopress_attr ); + } + + return ''; + } + + /** + * Adds a `for` query parameter to the oembed provider request URL. + * + * @param String $oembed_provider + * @return String $ehnanced_oembed_provider + */ + public function add_oembed_for_parameter( $oembed_provider ) { + if ( false === stripos( $oembed_provider, 'videopress.com' ) ) { + return $oembed_provider; + } + return add_query_arg( 'for', parse_url( home_url(), PHP_URL_HOST ), $oembed_provider ); + } + + /** + * Register a VideoPress handler for direct links to .mov files (and potential other non-handled types later). + */ + public function add_video_embed_hander() { + // These are the video extensions that VideoPress can transcode and considers video as well (even if core does not). + $extensions = array( 'mov' ); + $override_extensions = implode( '|', $extensions ); + + $regex = "#^https?://videos.(videopress.com|files.wordpress.com)/.+?.($override_extensions)$#i"; + + /** This filter is already documented in core/wp-includes/embed.php */ + $filter = apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' ); + wp_embed_register_handler( 'video', $regex, $filter, 10 ); + } +} + +VideoPress_Shortcode::initialize(); |