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<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName use Automattic\Jetpack\Assets; use Automattic\Jetpack\Extensions\Slideshow; /** * Slideshow shortcode. * Adds a new "slideshow" gallery type when adding a gallery using the classic editor. * * @package automattic/jetpack / /* * Slideshow shortcode usage: [gallery type="slideshow"] or the older [slideshow] / class Jetpack_Slideshow_Shortcode { /* * Number of slideshows on a page. * * @var int / public $instance_count = 0; /* * Constructor / public function __construct() { global $shortcode_tags; // Only if the slideshow shortcode has not already been defined. if ( ! array_key_exists( 'slideshow', $shortcode_tags ) ) { add_shortcode( 'slideshow', array( $this, 'shortcode_callback' ) ); } // Only if the gallery shortcode has not been redefined. if ( isset( $shortcode_tags['gallery'] ) && 'gallery_shortcode' === $shortcode_tags['gallery'] ) { add_filter( 'post_gallery', array( $this, 'post_gallery' ), 1002, 2 ); add_filter( 'jetpack_gallery_types', array( $this, 'add_gallery_type' ), 10 ); } } /* * Responds to the [gallery] shortcode, but not an actual shortcode callback. * * @param string $value An empty string if nothing has modified the gallery output, the output html otherwise. * @param array $attr The shortcode attributes array. * * @return string The (un)modified $value / public function post_gallery( $value, $attr ) { // Bail if somebody else has done something. if ( ! empty( $value ) ) { return $value; } // If [gallery type="slideshow"] have it behave just like [slideshow]. if ( ! empty( $attr['type'] ) && 'slideshow' === $attr['type'] ) { return $this->shortcode_callback( $attr ); } return $value; } /* * Add the Slideshow type to gallery settings * * @see Jetpack_Tiled_Gallery::media_ui_print_templates * * @param array $types An array of types where the key is the value, and the value is the caption. * * @return array / public function add_gallery_type( $types = array() ) { $types['slideshow'] = esc_html__( 'Slideshow', 'jetpack' ); return $types; } /* * Display shortcode. * * @param array $attr Shortcode attributes. / public function shortcode_callback( $attr ) { $post_id = get_the_ID(); $attr = shortcode_atts( array( 'trans' => 'fade', 'order' => 'ASC', 'orderby' => 'menu_order ID', 'id' => $post_id, 'include' => '', 'exclude' => '', 'autostart' => true, 'size' => '', ), $attr, 'slideshow' ); if ( 'rand' === strtolower( $attr['order'] ) ) { $attr['orderby'] = 'none'; } $attr['orderby'] = sanitize_sql_orderby( $attr['orderby'] ); if ( ! $attr['orderby'] ) { $attr['orderby'] = 'menu_order ID'; } if ( ! $attr['size'] ) { $attr['size'] = 'full'; } // Don't restrict to the current post if include. $post_parent = ( empty( $attr['include'] ) ) ? (int) $attr['id'] : null; $attachments = get_posts( array( 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'posts_per_page' => - 1, 'post_parent' => $post_parent, 'order' => $attr['order'], 'orderby' => $attr['orderby'], 'include' => $attr['include'], 'exclude' => $attr['exclude'], 'suppress_filters' => false, ) ); if ( ! is_countable( $attachments ) \|\| count( $attachments ) < 1 ) { return false; } $gallery_instance = sprintf( 'gallery-%d-%d', $attr['id'], ++$this->instance_count ); $gallery = array(); foreach ( $attachments as $attachment ) { $attachment_image_src = wp_get_attachment_image_src( $attachment->ID, $attr['size'] ); $attachment_image_src = false !== $attachment_image_src ? $attachment_image_src[0] : ''; // [url, width, height]. $attachment_image_title = get_the_title( $attachment->ID ); $attachment_image_alt = get_post_meta( $attachment->ID, '_wp_attachment_image_alt', true ); /* * Filters the Slideshow slide caption. * * @module shortcodes * * @since 2.3.0 * * @param string wptexturize( strip_tags( $attachment->post_excerpt ) ) Post excerpt. * @param string $attachment ->ID Attachment ID. / $caption = apply_filters( 'jetpack_slideshow_slide_caption', wptexturize( wp_strip_all_tags( $attachment->post_excerpt ) ), $attachment->ID ); $gallery[] = (object) array( 'src' => (string) esc_url_raw( $attachment_image_src ), 'id' => (string) $attachment->ID, 'title' => (string) esc_attr( $attachment_image_title ), 'alt' => (string) esc_attr( $attachment_image_alt ), 'caption' => (string) $caption, 'itemprop' => 'image', ); } $color = Jetpack_Options::get_option( 'slideshow_background_color', 'black' ); $autostart = $attr['autostart'] ? $attr['autostart'] : 'true'; $js_attr = array( 'gallery' => $gallery, 'selector' => $gallery_instance, 'trans' => $attr['trans'] ? $attr['trans'] : 'fade', 'autostart' => $autostart, 'color' => $color, ); // Show a link to the gallery in feeds. if ( is_feed() ) { return sprintf( '<a href="%s">%s</a>', esc_url( get_permalink( $post_id ) . '#' . $gallery_instance . '-slideshow' ), esc_html__( 'Click to view slideshow.', 'jetpack' ) ); } if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) { // Load the styles and use the rendering method from the Slideshow block. Jetpack_Gutenberg::load_styles_as_required( 'slideshow' ); $amp_args = array( 'ids' => wp_list_pluck( $gallery, 'id' ), ); if ( 'true' == $autostart ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual -- attribute can be stored as boolean or string. $amp_args['autoplay'] = true; } / * Blocks can be disabled in Jetpack Settings. * If that's the case, we need to include the slideshow block manually. / if ( ! class_exists( 'Automattic\Jetpack\Extensions\Slideshow' ) ) { require_once JETPACK__PLUGIN_DIR . 'extensions/blocks/slideshow/slideshow.php'; } return Slideshow\render_amp( $amp_args ); } return $this->slideshow_js( $js_attr ); } /* * Render the slideshow js * * Returns the necessary markup and js to fire a slideshow. * * @param array $attr Attributes for the slideshow. * * @uses $this->enqueue_scripts() * * @return string HTML output. / public function slideshow_js( $attr ) { // Enqueue scripts. $this->enqueue_scripts(); $output = '<p class="jetpack-slideshow-noscript robots-nocontent">' . esc_html__( 'This slideshow requires JavaScript.', 'jetpack' ) . '</p>'; / * Checking for JSON_HEX_AMP and friends here allows us to get rid of * '"', that can sometimes be included in the JSON input in some languages like French. / $gallery_attributes = _wp_specialchars( wp_check_invalid_utf8( wp_json_encode( $attr['gallery'], JSON_HEX_TAG \| JSON_HEX_AMP \| JSON_HEX_APOS \| JSON_HEX_QUOT ) ), ENT_QUOTES, false, true ); $output .= sprintf( '<div id="%s" class="jetpack-slideshow-window jetpack-slideshow jetpack-slideshow-%s" data-trans="%s" data-autostart="%s" data-gallery="%s" itemscope itemtype="https://schema.org/ImageGallery"></div>', esc_attr( $attr['selector'] . '-slideshow' ), esc_attr( $attr['color'] ), esc_attr( $attr['trans'] ), esc_attr( $attr['autostart'] ), $gallery_attributes ); return $output; } /* * Actually enqueues the scripts and styles. / public function enqueue_scripts() { wp_enqueue_script( 'jquery-cycle', plugins_url( '/js/jquery.cycle.min.js', __FILE__ ), array( 'jquery' ), '20161231', true ); wp_enqueue_script( 'jetpack-slideshow', Assets::get_file_url_for_environment( '_inc/build/shortcodes/js/slideshow-shortcode.min.js', 'modules/shortcodes/js/slideshow-shortcode.js' ), array( 'jquery', 'jquery-cycle' ), '20160119.1', true ); wp_enqueue_style( 'jetpack-slideshow', plugins_url( '/css/slideshow-shortcode.css', __FILE__ ), array(), JETPACK__VERSION ); wp_style_add_data( 'jetpack-slideshow', 'rtl', 'replace' ); wp_localize_script( 'jetpack-slideshow', 'jetpackSlideshowSettings', /* * Filters the slideshow JavaScript spinner. * * @module shortcodes * * @since 2.1.0 * @since 4.7.0 Added the `speed` option to the array of options. * * @param array $args * - string - spinner - URL of the spinner image. * - string - speed - Speed of the slideshow. Defaults to 4000. * - string - label_prev - Aria label for slideshow's previous button * - string - label_stop - Aria label for slideshow's pause button * - string - label_next - Aria label for slideshow's next button / apply_filters( 'jetpack_js_slideshow_settings', array( 'spinner' => plugins_url( '/img/slideshow-loader.gif', __FILE__ ), 'speed' => '4000', 'label_prev' => __( 'Previous Slide', 'jetpack' ), 'label_stop' => __( 'Pause Slideshow', 'jetpack' ), 'label_next' => __( 'Next Slide', 'jetpack' ), ) ) ); } /* * Instantiate shortcode. */ public static function init() { new Jetpack_Slideshow_Shortcode(); } } Jetpack_Slideshow_Shortcode::init();

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