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Merge pull request #7 from ahmedkaludi/master
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| <?php #971 | ||
| require_once AMP__DIR__ . '/includes/embeds/class-amp-base-embed-handler.php' ; | ||
|
|
||
| // Much of this class is borrowed from Jetpack embeds | ||
| class AMPforWP_YouTube_Embed_Handler extends AMP_Base_Embed_Handler { | ||
| const SHORT_URL_HOST = 'youtu.be'; | ||
| // Only handling single videos. Playlists are handled elsewhere. | ||
| const URL_PATTERN = '#https?://(?:www\.)?(?:youtube.com/(?:v/|e/|embed/|watch[/\#?])|youtu\.be/).*#i'; | ||
| const RATIO = 0.5625; | ||
|
|
||
| protected $DEFAULT_WIDTH = 600; | ||
| protected $DEFAULT_HEIGHT = 338; | ||
|
|
||
| private static $script_slug = 'amp-youtube'; | ||
| private static $script_src = 'https://cdn.ampproject.org/v0/amp-youtube-0.1.js'; | ||
|
|
||
| function __construct( $args = array() ) { | ||
| parent::__construct( $args ); | ||
|
|
||
| if ( isset( $this->args['content_max_width'] ) ) { | ||
| $max_width = $this->args['content_max_width']; | ||
| $this->args['width'] = $max_width; | ||
| $this->args['height'] = round( $max_width * self::RATIO ); | ||
| } | ||
| } | ||
|
|
||
| function register_embed() { | ||
| wp_embed_register_handler( 'amp-youtube', self::URL_PATTERN, array( $this, 'oembed' ), -1 ); | ||
| add_shortcode( 'youtube', array( $this, 'shortcode' ) ); | ||
| } | ||
|
|
||
| public function unregister_embed() { | ||
| wp_embed_unregister_handler( 'amp-youtube', -1 ); | ||
| remove_shortcode( 'youtube' ); | ||
| } | ||
|
|
||
| public function get_scripts() { | ||
| if ( ! $this->did_convert_elements ) { | ||
| return array(); | ||
| } | ||
|
|
||
| return array( self::$script_slug => self::$script_src ); | ||
| } | ||
|
|
||
| public function shortcode( $attr ) { | ||
| $url = false; | ||
| $video_id = false; | ||
| if ( isset( $attr[0] ) ) { | ||
| $url = ltrim( $attr[0] , '=' ); | ||
| } elseif ( function_exists ( 'ampforwp_youtube_shortcode' ) ) { | ||
| $url = ampforwp_youtube_shortcode( $attr ); | ||
| } | ||
|
|
||
| if ( empty( $url ) ) { | ||
| return ''; | ||
| } | ||
|
|
||
| $video_id = $this->get_video_id_from_url( $url ); | ||
|
|
||
| return $this->render( array( | ||
| 'url' => $url, | ||
| 'video_id' => $video_id, | ||
| ) ); | ||
| } | ||
|
|
||
|
|
||
| public function oembed( $matches, $attr, $url, $rawattr ) { | ||
| return $this->shortcode( array( $url ) ); | ||
| } | ||
|
|
||
| public function render( $args ) { | ||
| $args = wp_parse_args( $args, array( | ||
| 'video_id' => false, | ||
| ) ); | ||
|
|
||
| if ( empty( $args['video_id'] ) ) { | ||
| return AMP_HTML_Utils::build_tag( 'a', array( 'href' => esc_url( $args['url'] ), 'class' => 'amp-wp-embed-fallback' ), esc_html( $args['url'] ) ); | ||
| } | ||
|
|
||
| $this->did_convert_elements = true; | ||
|
|
||
| return AMP_HTML_Utils::build_tag( | ||
| 'amp-youtube', | ||
| array( | ||
| 'data-videoid' => $args['video_id'], | ||
| 'layout' => 'responsive', | ||
| 'width' => $this->args['width'], | ||
| 'height' => $this->args['height'], | ||
| ) | ||
| ); | ||
| } | ||
|
|
||
| private function get_video_id_from_url( $url ) { | ||
| $video_id = false; | ||
| $parsed_url = parse_url( $url ); | ||
|
|
||
| if ( self::SHORT_URL_HOST === substr( $parsed_url['host'], -strlen( self::SHORT_URL_HOST ) ) ) { | ||
| // youtu.be/{id} | ||
| $parts = explode( '/', $parsed_url['path'] ); | ||
| if ( ! empty( $parts ) ) { | ||
| $video_id = $parts[1]; | ||
| } | ||
| } else { | ||
| // ?v={id} or ?list={id} | ||
| parse_str( $parsed_url['query'], $query_args ); | ||
|
|
||
| if ( isset( $query_args['v'] ) ) { | ||
| $video_id = $this->sanitize_v_arg( $query_args['v'] ); | ||
| } | ||
| } | ||
|
|
||
| if ( empty( $video_id ) ) { | ||
| // /(v|e|embed)/{id} | ||
| $parts = explode( '/', $parsed_url['path'] ); | ||
|
|
||
| if ( in_array( $parts[1], array( 'v', 'e', 'embed' ) ) ) { | ||
| $video_id = $parts[2]; | ||
| } | ||
| } | ||
|
|
||
| return $video_id; | ||
| } | ||
|
|
||
| private function sanitize_v_arg( $value ) { | ||
| // Deal with broken params like `?v=123?rel=0` | ||
| if ( false !== strpos( $value, '?' ) ) { | ||
| $value = strtok( $value, '?' ); | ||
| } | ||
|
|
||
| return $value; | ||
| } | ||
| } |
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