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<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
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use Automattic\Jetpack\Sync\Functions; |
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/** |
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* Manages compatibility with the amp-wp plugin |
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* |
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* @see https://github.com/Automattic/amp-wp |
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*/ |
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class Jetpack_AMP_Support { |
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/** |
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* Apply custom AMP changes on the front-end. |
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*/ |
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public static function init() { |
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// Add Stats tracking pixel on Jetpack sites when the Stats module is active. |
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if ( |
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Jetpack::is_module_active( 'stats' ) |
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&& ! ( defined( 'IS_WPCOM' ) && IS_WPCOM ) |
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) { |
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add_action( 'amp_post_template_footer', array( 'Jetpack_AMP_Support', 'add_stats_pixel' ) ); |
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} |
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/** |
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* Remove this during the init hook in case users have enabled it during |
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* the after_setup_theme hook, which triggers before init. |
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*/ |
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remove_theme_support( 'jetpack-devicepx' ); |
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// Sharing. |
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add_filter( 'jetpack_sharing_display_markup', array( 'Jetpack_AMP_Support', 'render_sharing_html' ), 10, 2 ); |
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add_filter( 'sharing_enqueue_scripts', array( 'Jetpack_AMP_Support', 'amp_disable_sharedaddy_css' ) ); |
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// enforce freedom mode for videopress. |
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add_filter( 'videopress_shortcode_options', array( 'Jetpack_AMP_Support', 'videopress_enable_freedom_mode' ) ); |
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// include Jetpack og tags when rendering native AMP head. |
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add_action( 'amp_post_template_head', array( 'Jetpack_AMP_Support', 'amp_post_jetpack_og_tags' ) ); |
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// Post rendering changes for legacy AMP. |
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add_action( 'pre_amp_render_post', array( 'Jetpack_AMP_Support', 'amp_disable_the_content_filters' ) ); |
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// Transitional mode AMP should not have comment likes. |
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add_action( 'the_content', array( 'Jetpack_AMP_Support', 'disable_comment_likes_before_the_content' ) ); |
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// Add post template metadata for legacy AMP. |
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add_filter( 'amp_post_template_metadata', array( 'Jetpack_AMP_Support', 'amp_post_template_metadata' ), 10, 2 ); |
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// Filter photon image args for AMP Stories. |
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add_filter( 'jetpack_photon_post_image_args', array( 'Jetpack_AMP_Support', 'filter_photon_post_image_args_for_stories' ), 10, 2 ); |
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// Sync the amp-options. |
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add_filter( 'jetpack_options_whitelist', array( 'Jetpack_AMP_Support', 'filter_jetpack_options_whitelist' ) ); |
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// Show admin bar. |
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add_filter( 'show_admin_bar', array( 'Jetpack_AMP_Support', 'show_admin_bar' ) ); |
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add_filter( 'jetpack_comment_likes_enabled', array( 'Jetpack_AMP_Support', 'comment_likes_enabled' ) ); |
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} |
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/** |
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* Disable the admin bar on AMP views. |
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* |
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* @param Whether bool $show the admin bar should be shown. Default false. |
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*/ |
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public static function show_admin_bar( $show ) { |
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return $show && ! self::is_amp_request(); |
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} |
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/** |
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* Disable the Comment Likes feature on AMP views. |
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* |
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* @param bool $enabled Should comment likes be enabled. |
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*/ |
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public static function comment_likes_enabled( $enabled ) { |
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return $enabled && ! self::is_amp_request(); |
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} |
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/** |
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* Apply custom AMP changes in wp-admin. |
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*/ |
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public static function admin_init() { |
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// disable Likes metabox for post editor if AMP canonical disabled. |
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add_filter( 'post_flair_disable', array( 'Jetpack_AMP_Support', 'is_amp_canonical' ), 99 ); |
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} |
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/** |
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* Is the page in AMP 'canonical mode'. |
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* Used when themes register support for AMP with `add_theme_support( 'amp' )`. |
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* |
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* @return bool is_amp_canonical |
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*/ |
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public static function is_amp_canonical() { |
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return function_exists( 'amp_is_canonical' ) && amp_is_canonical(); |
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} |
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/** |
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* Does the page return AMP content. |
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* |
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* @return bool $is_amp_request Are we on am AMP view. |
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*/ |
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public static function is_amp_request() { |
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$is_amp_request = ( function_exists( 'is_amp_endpoint' ) && is_amp_endpoint() ); |
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/** |
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* Returns true if the current request should return valid AMP content. |
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* |
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* @since 6.2.0 |
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* |
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* @param boolean $is_amp_request Is this request supposed to return valid AMP content? |
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*/ |
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return apply_filters( 'jetpack_is_amp_request', $is_amp_request ); |
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} |
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/** |
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* Remove content filters added by Jetpack. |
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*/ |
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public static function amp_disable_the_content_filters() { |
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if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
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add_filter( 'videopress_show_2015_player', '__return_true' ); |
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add_filter( 'protected_embeds_use_form_post', '__return_false' ); |
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remove_filter( 'the_title', 'widont' ); |
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} |
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remove_filter( 'pre_kses', array( 'Filter_Embedded_HTML_Objects', 'filter' ), 11 ); |
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remove_filter( 'pre_kses', array( 'Filter_Embedded_HTML_Objects', 'maybe_create_links' ), 100 ); |
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} |
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/** |
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* Do not add comment likes on AMP requests. |
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* |
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* @param string $content Post content. |
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*/ |
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public static function disable_comment_likes_before_the_content( $content ) { |
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if ( self::is_amp_request() ) { |
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remove_filter( 'comment_text', 'comment_like_button', 12, 2 ); |
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} |
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return $content; |
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} |
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/** |
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* Add Jetpack stats pixel. |
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* |
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* @since 6.2.1 |
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*/ |
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public static function add_stats_pixel() { |
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if ( ! has_action( 'wp_footer', 'stats_footer' ) ) { |
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return; |
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} |
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stats_render_amp_footer( stats_build_view_data() ); |
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} |
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/** |
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* Add publisher and image metadata to legacy AMP post. |
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* |
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* @since 6.2.0 |
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* |
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* @param array $metadata Metadata array. |
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* @param WP_Post $post Post. |
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* @return array Modified metadata array. |
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*/ |
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public static function amp_post_template_metadata( $metadata, $post ) { |
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if ( isset( $metadata['publisher'] ) && ! isset( $metadata['publisher']['logo'] ) ) { |
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$metadata = self::add_site_icon_to_metadata( $metadata ); |
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} |
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if ( ! isset( $metadata['image'] ) ) { |
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$metadata = self::add_image_to_metadata( $metadata, $post ); |
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} |
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return $metadata; |
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} |
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/** |
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* Add blavatar to legacy AMP post metadata. |
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* |
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* @since 6.2.0 |
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* |
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* @param array $metadata Metadata. |
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* |
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* @return array Metadata. |
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*/ |
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private static function add_site_icon_to_metadata( $metadata ) { |
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$size = 60; |
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$site_icon_url = class_exists( 'Automattic\\Jetpack\\Sync\\Functions' ) ? Functions::site_icon_url( $size ) : ''; |
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if ( function_exists( 'blavatar_domain' ) ) { |
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$metadata['publisher']['logo'] = array( |
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'@type' => 'ImageObject', |
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'url' => blavatar_url( blavatar_domain( site_url() ), 'img', $size, self::staticize_subdomain( 'https://wordpress.com/i/favicons/apple-touch-icon-60x60.png' ) ), |
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'width' => $size, |
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'height' => $size, |
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); |
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} elseif ( $site_icon_url ) { |
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$metadata['publisher']['logo'] = array( |
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'@type' => 'ImageObject', |
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'url' => $site_icon_url, |
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'width' => $size, |
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'height' => $size, |
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); |
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} |
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return $metadata; |
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} |
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/** |
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* Add image to legacy AMP post metadata. |
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* |
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* @since 6.2.0 |
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* |
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* @param array $metadata Metadata. |
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* @param WP_Post $post Post. |
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* @return array Metadata. |
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*/ |
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private static function add_image_to_metadata( $metadata, $post ) { |
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$image = Jetpack_PostImages::get_image( |
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$post->ID, |
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array( |
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'fallback_to_avatars' => true, |
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'avatar_size' => 200, |
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// AMP already attempts these. |
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'from_thumbnail' => false, |
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'from_attachment' => false, |
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) |
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); |
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if ( empty( $image ) ) { |
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return self::add_fallback_image_to_metadata( $metadata ); |
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} |
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if ( ! isset( $image['src_width'] ) ) { |
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$dimensions = self::extract_image_dimensions_from_getimagesize( |
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array( |
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$image['src'] => false, |
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) |
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); |
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View Code Duplication |
if ( false !== $dimensions[ $image['src'] ] ) { |
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$image['src_width'] = $dimensions['width']; |
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$image['src_height'] = $dimensions['height']; |
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} |
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} |
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$metadata['image'] = array( |
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'@type' => 'ImageObject', |
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'url' => $image['src'], |
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); |
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if ( isset( $image['src_width'] ) ) { |
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$metadata['image']['width'] = $image['src_width']; |
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} |
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if ( isset( $image['src_width'] ) ) { |
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$metadata['image']['height'] = $image['src_height']; |
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} |
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return $metadata; |
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} |
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/** |
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* Add fallback image to legacy AMP post metadata. |
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* |
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* @since 6.2.0 |
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* |
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* @param array $metadata Metadata. |
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* @return array Metadata. |
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*/ |
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private static function add_fallback_image_to_metadata( $metadata ) { |
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/** This filter is documented in functions.opengraph.php */ |
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$default_image = apply_filters( 'jetpack_open_graph_image_default', 'https://wordpress.com/i/blank.jpg' ); |
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$metadata['image'] = array( |
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'@type' => 'ImageObject', |
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'url' => self::staticize_subdomain( $default_image ), |
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'width' => 200, |
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'height' => 200, |
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); |
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return $metadata; |
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} |
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/** |
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* Return static WordPress.com domain to use to load resources from WordPress.com. |
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* |
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* @param string $domain Asset URL. |
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*/ |
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private static function staticize_subdomain( $domain ) { |
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// deal with WPCOM vs Jetpack. |
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if ( function_exists( 'staticize_subdomain' ) ) { |
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return staticize_subdomain( $domain ); |
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} else { |
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return Jetpack::staticize_subdomain( $domain ); |
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} |
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} |
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/** |
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* Extract image dimensions via wpcom/imagesize, only on WPCOM |
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296
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* |
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297
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* @since 6.2.0 |
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298
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* |
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299
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* @param array $dimensions Dimensions. |
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300
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* @return array Dimensions. |
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301
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*/ |
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302
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private static function extract_image_dimensions_from_getimagesize( $dimensions ) { |
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if ( ! ( defined( 'IS_WPCOM' ) && IS_WPCOM && function_exists( 'require_lib' ) ) ) { |
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return $dimensions; |
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} |
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306
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require_lib( 'wpcom/imagesize' ); |
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307
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308
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foreach ( $dimensions as $url => $value ) { |
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309
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if ( is_array( $value ) ) { |
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continue; |
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} |
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$result = wpcom_getimagesize( $url ); |
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if ( is_array( $result ) ) { |
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$dimensions[ $url ] = array( |
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'width' => $result[0], |
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'height' => $result[1], |
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); |
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} |
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} |
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321
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return $dimensions; |
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} |
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324
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/** |
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325
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* Display Open Graph Meta tags in AMP views. |
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326
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*/ |
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327
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public static function amp_post_jetpack_og_tags() { |
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if ( ! ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ) { |
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329
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Jetpack::init()->check_open_graph(); |
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} |
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332
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if ( function_exists( 'jetpack_og_tags' ) ) { |
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jetpack_og_tags(); |
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} |
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335
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} |
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336
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337
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/** |
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338
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* Force Freedom mode in VideoPress. |
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339
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* |
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340
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* @param array $options Array of VideoPress shortcode options. |
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341
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*/ |
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342
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public static function videopress_enable_freedom_mode( $options ) { |
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343
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if ( self::is_amp_request() ) { |
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344
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$options['freedom'] = true; |
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345
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} |
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346
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return $options; |
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347
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} |
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348
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349
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/** |
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350
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* Display custom markup for the sharing buttons when in an AMP view. |
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351
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* |
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352
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* @param string $markup Content markup of the Jetpack sharing links. |
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353
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* @param array $sharing_enabled Array of Sharing Services currently enabled. |
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354
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*/ |
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355
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public static function render_sharing_html( $markup, $sharing_enabled ) { |
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356
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if ( ! self::is_amp_request() ) { |
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357
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return $markup; |
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358
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} |
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359
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|
360
|
|
|
remove_action( 'wp_footer', 'sharing_add_footer' ); |
|
361
|
|
|
if ( empty( $sharing_enabled ) ) { |
|
362
|
|
|
return $markup; |
|
363
|
|
|
} |
|
364
|
|
|
$supported_services = array( |
|
365
|
|
|
'facebook' => array( |
|
366
|
|
|
/** This filter is documented in modules/sharedaddy/sharing-sources.php */ |
|
367
|
|
|
'data-param-app_id' => apply_filters( 'jetpack_sharing_facebook_app_id', '249643311490' ), |
|
368
|
|
|
), |
|
369
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|
|
'twitter' => array(), |
|
370
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|
|
'pinterest' => array(), |
|
371
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|
|
'whatsapp' => array(), |
|
372
|
|
|
'tumblr' => array(), |
|
373
|
|
|
'linkedin' => array(), |
|
374
|
|
|
); |
|
375
|
|
|
$sharing_links = array(); |
|
376
|
|
|
foreach ( $sharing_enabled['visible'] as $id => $service ) { |
|
377
|
|
|
if ( ! isset( $supported_services[ $id ] ) ) { |
|
378
|
|
|
$sharing_links[] = "<!-- not supported: $id -->"; |
|
379
|
|
|
continue; |
|
380
|
|
|
} |
|
381
|
|
|
$args = array_merge( |
|
382
|
|
|
array( |
|
383
|
|
|
'type' => $id, |
|
384
|
|
|
), |
|
385
|
|
|
$supported_services[ $id ] |
|
386
|
|
|
); |
|
387
|
|
|
$sharing_link = '<amp-social-share'; |
|
388
|
|
|
foreach ( $args as $key => $value ) { |
|
389
|
|
|
$sharing_link .= sprintf( ' %s="%s"', sanitize_key( $key ), esc_attr( $value ) ); |
|
390
|
|
|
} |
|
391
|
|
|
$sharing_link .= '></amp-social-share>'; |
|
392
|
|
|
$sharing_links[] = $sharing_link; |
|
393
|
|
|
} |
|
394
|
|
|
|
|
395
|
|
|
// Wrap AMP sharing buttons in container. |
|
396
|
|
|
$markup = preg_replace( '#(?<=<div class="sd-content">).+?(?=</div>)#s', implode( '', $sharing_links ), $markup ); |
|
397
|
|
|
|
|
398
|
|
|
// Remove any lingering share-end list items. |
|
399
|
|
|
$markup = str_replace( '<li class="share-end"></li>', '', $markup ); |
|
400
|
|
|
|
|
401
|
|
|
return $markup; |
|
402
|
|
|
} |
|
403
|
|
|
|
|
404
|
|
|
/** |
|
405
|
|
|
* Tells Jetpack not to enqueue CSS for share buttons. |
|
406
|
|
|
* |
|
407
|
|
|
* @param bool $enqueue Whether or not to enqueue. |
|
408
|
|
|
* @return bool Whether or not to enqueue. |
|
409
|
|
|
*/ |
|
410
|
|
|
public static function amp_disable_sharedaddy_css( $enqueue ) { |
|
411
|
|
|
if ( self::is_amp_request() ) { |
|
412
|
|
|
$enqueue = false; |
|
413
|
|
|
} |
|
414
|
|
|
|
|
415
|
|
|
return $enqueue; |
|
416
|
|
|
} |
|
417
|
|
|
|
|
418
|
|
|
/** |
|
419
|
|
|
* Ensure proper Photon image dimensions for AMP Stories. |
|
420
|
|
|
* |
|
421
|
|
|
* @param array $args Array of Photon Arguments. |
|
422
|
|
|
* @param array $details { |
|
423
|
|
|
* Array of image details. |
|
424
|
|
|
* |
|
425
|
|
|
* @type string $tag Image tag (Image HTML output). |
|
426
|
|
|
* @type string $src Image URL. |
|
427
|
|
|
* @type string $src_orig Original Image URL. |
|
428
|
|
|
* @type int|false $width Image width. |
|
429
|
|
|
* @type int|false $height Image height. |
|
430
|
|
|
* @type int|false $width_orig Original image width before constrained by content_width. |
|
431
|
|
|
* @type int|false $height_orig Original Image height before constrained by content_width. |
|
432
|
|
|
* @type string $transform_orig Original transform before constrained by content_width. |
|
433
|
|
|
* } |
|
434
|
|
|
* @return array Args. |
|
435
|
|
|
*/ |
|
436
|
|
|
public static function filter_photon_post_image_args_for_stories( $args, $details ) { |
|
437
|
|
|
if ( ! is_singular( 'amp_story' ) ) { |
|
438
|
|
|
return $args; |
|
439
|
|
|
} |
|
440
|
|
|
|
|
441
|
|
|
// Percentage-based dimensions are not allowed in AMP, so this shouldn't happen, but short-circuit just in case. |
|
442
|
|
|
if ( false !== strpos( $details['width_orig'], '%' ) || false !== strpos( $details['height_orig'], '%' ) ) { |
|
443
|
|
|
return $args; |
|
444
|
|
|
} |
|
445
|
|
|
|
|
446
|
|
|
$max_height = 1280; // See image size with the slug \AMP_Story_Post_Type::MAX_IMAGE_SIZE_SLUG. |
|
447
|
|
|
$transform = $details['transform_orig']; |
|
448
|
|
|
$width = $details['width_orig']; |
|
449
|
|
|
$height = $details['height_orig']; |
|
450
|
|
|
|
|
451
|
|
|
// If height is available, constrain to $max_height. |
|
452
|
|
|
if ( false !== $height ) { |
|
453
|
|
|
if ( $height > $max_height && false !== $height ) { |
|
454
|
|
|
$width = ( $max_height * $width ) / $height; |
|
455
|
|
|
$height = $max_height; |
|
456
|
|
|
} elseif ( $height > $max_height ) { |
|
457
|
|
|
$height = $max_height; |
|
458
|
|
|
} |
|
459
|
|
|
} |
|
460
|
|
|
|
|
461
|
|
|
/* |
|
462
|
|
|
* Set a height if none is found. |
|
463
|
|
|
* If height is set in this manner and height is available, use `fit` instead of `resize` to prevent skewing. |
|
464
|
|
|
*/ |
|
465
|
|
|
if ( false === $height ) { |
|
466
|
|
|
$height = $max_height; |
|
467
|
|
|
if ( false !== $width ) { |
|
468
|
|
|
$transform = 'fit'; |
|
469
|
|
|
} |
|
470
|
|
|
} |
|
471
|
|
|
|
|
472
|
|
|
// Build array of Photon args and expose to filter before passing to Photon URL function. |
|
473
|
|
|
$args = array(); |
|
474
|
|
|
|
|
475
|
|
|
if ( false !== $width && false !== $height ) { |
|
476
|
|
|
$args[ $transform ] = $width . ',' . $height; |
|
477
|
|
|
} elseif ( false !== $width ) { |
|
478
|
|
|
$args['w'] = $width; |
|
479
|
|
|
} elseif ( false !== $height ) { |
|
480
|
|
|
$args['h'] = $height; |
|
481
|
|
|
} |
|
482
|
|
|
|
|
483
|
|
|
return $args; |
|
484
|
|
|
} |
|
485
|
|
|
|
|
486
|
|
|
/** |
|
487
|
|
|
* Adds amp-options to the list of options to sync, if AMP is available |
|
488
|
|
|
* |
|
489
|
|
|
* @param array $options_whitelist Whitelist of options to sync. |
|
490
|
|
|
* @return array Updated options whitelist |
|
491
|
|
|
*/ |
|
492
|
|
|
public static function filter_jetpack_options_whitelist( $options_whitelist ) { |
|
493
|
|
|
if ( function_exists( 'is_amp_endpoint' ) ) { |
|
494
|
|
|
$options_whitelist[] = 'amp-options'; |
|
495
|
|
|
} |
|
496
|
|
|
return $options_whitelist; |
|
497
|
|
|
} |
|
498
|
|
|
} |
|
499
|
|
|
|
|
500
|
|
|
add_action( 'init', array( 'Jetpack_AMP_Support', 'init' ), 1 ); |
|
501
|
|
|
|
|
502
|
|
|
add_action( 'admin_init', array( 'Jetpack_AMP_Support', 'admin_init' ), 1 ); |
|
503
|
|
|
|