61 lines
1.5 KiB
PHP
61 lines
1.5 KiB
PHP
<?php
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/**
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* Class AMP_Tumblr_Embed_Handler
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*
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* @package AMP
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* @since 0.7
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*/
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/**
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* Class AMP_Tumblr_Embed_Handler
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*/
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class AMP_Tumblr_Embed_Handler extends AMP_Base_Embed_Handler {
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/**
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* Register embed.
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*/
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public function register_embed() {
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add_filter( 'embed_oembed_html', array( $this, 'filter_embed_oembed_html' ), 10, 2 );
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}
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/**
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* Unregister embed.
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*/
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public function unregister_embed() {
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remove_filter( 'embed_oembed_html', array( $this, 'filter_embed_oembed_html' ), 10 );
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}
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/**
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* Filter oEmbed HTML for Tumblr to prepare it for AMP.
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*
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* @param string $cache Cache for oEmbed.
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* @param string $url Embed URL.
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* @return string Embed.
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*/
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public function filter_embed_oembed_html( $cache, $url ) {
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$parsed_url = wp_parse_url( $url );
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if ( false === strpos( $parsed_url['host'], 'tumblr.com' ) ) {
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return $cache;
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}
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// @todo The iframe will not get sized properly.
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if ( preg_match( '#data-href="(?P<href>https://embed.tumblr.com/embed/post/\w+/\w+)"#', $cache, $matches ) ) {
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$cache = AMP_HTML_Utils::build_tag(
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'amp-iframe',
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array(
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'width' => $this->args['width'],
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'height' => $this->args['height'],
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'layout' => 'responsive',
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'sandbox' => 'allow-scripts allow-popups', // The allow-scripts is needed to allow the iframe to render; allow-popups needed to allow clicking.
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'src' => $matches['href'],
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),
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sprintf( '<a placeholder href="%s">Tumblr</a>', $url )
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);
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}
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return $cache;
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}
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}
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