ted.php
| 1 | <?php |
| 2 | /* |
| 3 | * TED Player embed code |
| 4 | * http://www.ted.com |
| 5 | * |
| 6 | * http://www.ted.com/talks/view/id/210 |
| 7 | * http://www.ted.com/talks/marc_goodman_a_vision_of_crimes_in_the_future.html |
| 8 | * [ted id="210" lang="en"] |
| 9 | * [ted id="http://www.ted.com/talks/view/id/210" lang="en"] |
| 10 | * [ted id=1539 lang=fr width=560 height=315] |
| 11 | */ |
| 12 | |
| 13 | wp_oembed_add_provider( '!https?://(www\.)?ted.com/talks/view/id/.+!i', 'http://www.ted.com/talks/oembed.json', true ); |
| 14 | wp_oembed_add_provider( '!https?://(www\.)?ted.com/talks/[a-zA-Z\-\_]+\.html!i', 'http://www.ted.com/talks/oembed.json', true ); |
| 15 | |
| 16 | function jetpack_shortcode_get_ted_id( $atts ) { |
| 17 | return ( ! empty( $atts['id'] ) ? $atts['id'] : 0 ); |
| 18 | } |
| 19 | |
| 20 | add_shortcode( 'ted', 'shortcode_ted' ); |
| 21 | function shortcode_ted( $atts ) { |
| 22 | global $wp_embed; |
| 23 | |
| 24 | $defaults = array( |
| 25 | 'id' => '', |
| 26 | 'width' => '', |
| 27 | 'height' => '', |
| 28 | 'lang' => 'en', |
| 29 | ); |
| 30 | $atts = shortcode_atts( $defaults, $atts, 'ted' ); |
| 31 | |
| 32 | if ( empty( $atts['id'] ) ) { |
| 33 | return '<!-- Missing TED ID -->'; |
| 34 | } |
| 35 | |
| 36 | $url = ''; |
| 37 | if ( preg_match( '#^[\d]+$#', $atts['id'], $matches ) ) { |
| 38 | $url = 'http://ted.com/talks/view/id/' . $matches[0]; |
| 39 | } elseif ( preg_match( '#^https?://(www\.)?ted\.com/talks/view/id/[0-9]+$#', $atts['id'], $matches ) ) { |
| 40 | $url = $matches[0]; |
| 41 | } |
| 42 | |
| 43 | unset( $atts['id'] ); |
| 44 | |
| 45 | $args = array(); |
| 46 | if ( is_numeric( $atts['width'] ) ) { |
| 47 | $args['width'] = $atts['width']; |
| 48 | } elseif ( $embed_size_w = get_option( 'embed_size_w' ) ) { |
| 49 | $args['width'] = $embed_size_w; |
| 50 | } elseif ( ! empty( $GLOBALS['content_width'] ) ) { |
| 51 | $args['width'] = (int) $GLOBALS['content_width']; |
| 52 | } else { |
| 53 | $args['width'] = 500; |
| 54 | } |
| 55 | |
| 56 | // Default to a 16x9 aspect ratio if there's no height set |
| 57 | if ( is_numeric( $atts['height'] ) ) { |
| 58 | $args['height'] = $atts['height']; |
| 59 | } else { |
| 60 | $args['height'] = $args['width'] * 0.5625; |
| 61 | } |
| 62 | |
| 63 | if ( ! empty( $atts['lang'] ) ) { |
| 64 | $args['lang'] = sanitize_key( $atts['lang'] ); |
| 65 | add_filter( 'oembed_fetch_url', 'ted_filter_oembed_fetch_url', 10, 3 ); |
| 66 | } |
| 67 | $retval = $wp_embed->shortcode( $args, $url ); |
| 68 | remove_filter( 'oembed_fetch_url', 'ted_filter_oembed_fetch_url', 10 ); |
| 69 | |
| 70 | return $retval; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Filter the request URL to also include the $lang parameter |
| 75 | */ |
| 76 | function ted_filter_oembed_fetch_url( $provider, $url, $args ) { |
| 77 | return add_query_arg( 'lang', $args['lang'], $provider ); |
| 78 | } |
| 79 |