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<?php
/*
* TED Player embed code
* http://www.ted.com
*
* http://www.ted.com/talks/view/id/210
* http://www.ted.com/talks/marc_goodman_a_vision_of_crimes_in_the_future.html
* [ted id="210" lang="eng"]
* [ted id="http://www.ted.com/talks/view/id/210" lang="eng"]
* [ted id=1539 lang=fr width=560 height=315]
*/
wp_oembed_add_provider( '!https?://(www\.)?ted.com/talks/view/id/.+!i', 'http://www.ted.com/talks/oembed.json', true );
wp_oembed_add_provider( '!https?://(www\.)?ted.com/talks/[a-zA-Z\-\_]+\.html!i', 'http://www.ted.com/talks/oembed.json', true );
add_shortcode( 'ted', 'shortcode_ted' );
function shortcode_ted( $atts, $content = '' ) {
global $wp_embed;
$defaults = array(
'id' => '',
'width' => '',
'height' => '',
'lang' => 'eng',
);
$atts = shortcode_atts( $defaults, $atts );
if ( empty( $atts['id'] ) )
return '<!-- Missing TED ID -->';
if ( preg_match( "#^[\d]+$#", $atts['id'], $matches ) )
$url = 'http://ted.com/talks/view/id/' . $matches[0];
elseif ( preg_match( "#^https?://(www\.)?ted\.com/talks/view/id/[0-9]+$#", $atts['id'], $matches ) )
$url = $matches[0];
unset( $atts['id'] );
$args = array();
if ( is_numeric( $atts['width'] ) )
$args['width'] = $atts['width'];
else if ( $embed_size_w = get_option( 'embed_size_w' ) )
$args['width'] = $embed_size_w;
else if ( ! empty( $GLOBALS['content_width'] ) )
$args['width'] = (int)$GLOBALS['content_width'];
else
$args['width'] = 500;
// Default to a 16x9 aspect ratio if there's no height set
if ( is_numeric( $atts['height'] ) )
$args['height'] = $atts['height'];
else
$args['height'] = $args['width'] * 0.5625;
if ( ! empty( $atts['lang'] ) ) {
$args['lang'] = sanitize_key( $atts['lang'] );
add_filter( 'oembed_fetch_url', 'ted_filter_oembed_fetch_url', 10, 3 );
}
$retval = $wp_embed->shortcode( $args, $url );
remove_filter( 'oembed_fetch_url', 'ted_filter_oembed_fetch_url', 10 );
return $retval;
}
/**
* Filter the request URL to also include the $lang parameter
*/
function ted_filter_oembed_fetch_url( $provider, $url, $args ) {
return add_query_arg( 'lang', $args['lang'], $provider );
}
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