<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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/**

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* Module: Jetpack Carousel

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*

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* @package automattic/jetpack

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*/

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use Automattic\Jetpack\Assets;

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use Automattic\Jetpack\Stats\Options as Stats_Options;

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use Automattic\Jetpack\Status;

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use Automattic\Jetpack\Status\Host;

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* Jetpack_Carousel class.

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*

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* @phan-constructor-used-for-side-effects

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*/

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class Jetpack_Carousel {

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/**

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* Defines Carousel pre-built widths

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*

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* @var array

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*/

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public $prebuilt_widths = array( 370, 700, 1000, 1200, 1400, 2000 );

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/**

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* Localization strings and other data for the JavaScript

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*

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* @var array

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*/

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public $localize_strings;

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/**

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* Represents whether or not this is the first load of Carousel on a page. Default is true.

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*

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* @var bool

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*/

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public $first_run = true;

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/**

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* Determines whether or not to set in the gallery. Default is false.

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*

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* @deprecated since 10.8

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*

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* @var bool

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*/

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public $in_gallery = false;

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/**

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* Determines whether the module runs in the Jetpack plugin, as opposed to WP.com Simple site environment

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*

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* @var bool

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*/

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public $in_jetpack = true;

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/**

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* Determines whether or not a single image gallery is enabled. Default is false.

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*

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* @var bool

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*/

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public $single_image_gallery_enabled = false;

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/**

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* Determines whether images that link to themselves should be replaced with a one image gallery. Default is false.

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*

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* @var bool

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*/

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public $single_image_gallery_enabled_media_file = false;

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/**

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* Constructor.

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*/

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public function __construct() {

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add_action( 'init', array( $this, 'init' ) );

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}

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/**

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* Initialize class

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*/

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public function init() {

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if ( $this->maybe_disable_jp_carousel() ) {

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return;

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}

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$this->in_jetpack = ! ( new Host() )->is_wpcom_simple();

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$this->single_image_gallery_enabled = ! $this->maybe_disable_jp_carousel_single_images();

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$this->single_image_gallery_enabled_media_file = $this->maybe_enable_jp_carousel_single_images_media_file();

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if ( is_admin() ) {

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// Register the Carousel-related related settings.

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add_action( 'admin_init', array( $this, 'register_settings' ), 5 );

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if ( ! $this->in_jetpack ) {

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if ( 0 === $this->test_1or0_option( get_option( 'carousel_enable_it' ), true ) ) {

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return; // Carousel disabled, abort early, but still register setting so user can switch it back on.

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}

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}

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// If in admin, register the ajax endpoints.

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add_action( 'wp_ajax_get_attachment_comments', array( $this, 'get_attachment_comments' ) );

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add_action( 'wp_ajax_nopriv_get_attachment_comments', array( $this, 'get_attachment_comments' ) );

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add_action( 'wp_ajax_post_attachment_comment', array( $this, 'post_attachment_comment' ) );

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add_action( 'wp_ajax_nopriv_post_attachment_comment', array( $this, 'post_attachment_comment' ) );

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} else {

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if ( ! $this->in_jetpack ) {

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if ( 0 === $this->test_1or0_option( get_option( 'carousel_enable_it' ), true ) ) {

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return; // Carousel disabled, abort early.

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}

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}

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// If on front-end, do the Carousel thang.

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/**

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* Filter the array of default prebuilt widths used in Carousel.

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*

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* @module carousel

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*

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* @since 1.6.0

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*

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* @param array $this->prebuilt_widths Array of default widths.

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*/

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$this->prebuilt_widths = apply_filters( 'jp_carousel_widths', $this->prebuilt_widths );

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// below: load later than other callbacks hooked it (e.g. 3rd party plugins handling gallery shortcode).

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add_filter( 'post_gallery', array( $this, 'check_if_shortcode_processed_and_enqueue_assets' ), 1000, 2 );

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add_filter( 'post_gallery', array( $this, 'set_in_gallery' ), -1000 );

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add_filter( 'gallery_style', array( $this, 'add_data_to_container' ) );

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add_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ), 10, 2 );

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add_filter( 'jetpack_tiled_galleries_block_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );

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if ( $this->single_image_gallery_enabled ) {

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add_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );

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}

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add_filter( 'render_block_data', array( $this, 'remove_core_lightbox_in_gallery' ), 10, 3 );

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// `is_amp_request()` can't be called until the 'wp' filter.

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add_action( 'wp', array( $this, 'check_amp_support' ) );

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}

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if ( $this->in_jetpack ) {

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Jetpack::enable_module_configurable( dirname( __DIR__ ) . '/carousel.php' );

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}

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}

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/**

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* Check AMP and add filters.

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*/

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public function check_amp_support() {

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if (

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! class_exists( 'Jetpack_AMP_Support' )

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|| ! Jetpack_AMP_Support::is_amp_request()

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) {

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add_filter( 'render_block_core/gallery', array( $this, 'filter_gallery_block_render' ), 10, 2 );

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add_filter( 'render_block_jetpack/tiled-gallery', array( $this, 'filter_gallery_block_render' ), 10, 2 );

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}

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}

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/**

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* Returns the value of the applied jp_carousel_maybe_disable filter

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*

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* @since 1.6.0

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*

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* @return bool - Should Carousel be disabled? Default to false.

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 */

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public function maybe_disable_jp_carousel() {

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/**

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* Allow third-party plugins or themes to disable Carousel.

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*

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* @module carousel

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*

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* @since 1.6.0

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*

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* @param bool false Should Carousel be disabled? Default to false.

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*/

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return apply_filters( 'jp_carousel_maybe_disable', false );

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}

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/**

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* Returns the value of the applied jp_carousel_maybe_disable_single_images filter

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*

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* @since 4.5.0

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*

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* @return bool - Should Carousel be disabled for single images? Default to false.

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*/

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public function maybe_disable_jp_carousel_single_images() {

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/**

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* Allow third-party plugins or themes to disable Carousel for single images.

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*

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* @module carousel

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*

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* @since 4.5.0

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*

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* @param bool false Should Carousel be disabled for single images? Default to false.

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*/

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return apply_filters( 'jp_carousel_maybe_disable_single_images', false );

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}

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/**

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* Returns the value of the applied jp_carousel_load_for_images_linked_to_file filter

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*

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* @since 4.5.0

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*

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* @return bool - Should Carousel be enabled for single images linking to 'Media File'? Default to false.

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*/

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public function maybe_enable_jp_carousel_single_images_media_file() {

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/**

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* Allow third-party plugins or themes to enable Carousel

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* for single images linking to 'Media File' (full size image).

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*

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* @module carousel

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*

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* @since 4.5.0

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*

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* @param bool false Should Carousel be enabled for single images linking to 'Media File'? Default to false.

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*/

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return apply_filters( 'jp_carousel_load_for_images_linked_to_file', false );

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}

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/**

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* Returns the value of the applied jp_carousel_asset_version filter

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*

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* @since 1.6.0

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*

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* @param string $version Asset version.

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*

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* @return string

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*/

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public function asset_version( $version ) {

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/**

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* Filter the version string used when enqueuing Carousel assets.

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*

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* @module carousel

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*

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* @since 1.6.0

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*

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* @param string $version Asset version.

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*/

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return apply_filters( 'jp_carousel_asset_version', $version );

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}

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/**

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* Displays a message on top of gallery if carousel has bailed.

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*

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* @param string $output Gallery shortcode output.

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*

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* @return string Shortcode output with bail message prepended.

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*/

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public function display_bail_message( $output = '' ) {

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$message = '<div class="jp-carousel-msg"><p>';

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$message .= __( 'Jetpack\'s Carousel has been disabled, because another plugin or your theme is overriding the [gallery] shortcode.', 'jetpack' );

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$message .= '</p></div>';

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// put before gallery output.

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$output = $message . $output;

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return $output;

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}

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/**

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* Determine whether Carousel is enabled, and adjust filters and enqueue assets accordingly.

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*

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* If no other filter hook produced output for the gallery shortcode or something returns true for

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* the `jp_carousel_force_enable` filter, Carousel is enabled and we queue our assets. Otherwise

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* it's disabled and we remove some of our subsequent filter hooks.

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*

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* @since 1.9.0

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*

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* @param string $output Gallery shortcode output.

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*

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* @return string Gallery shortcode output.

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*/

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public function check_if_shortcode_processed_and_enqueue_assets( $output ) {

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if (

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class_exists( 'Jetpack_AMP_Support' )

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&& Jetpack_AMP_Support::is_amp_request()

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) {

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return $output;

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}

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if (

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! empty( $output ) &&

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/**

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* Allow third-party plugins or themes to force-enable Carousel.

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*

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* @module carousel

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*

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* @since 1.9.0

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*

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* @param bool false Should we force enable Carousel? Default to false.

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*/

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! apply_filters( 'jp_carousel_force_enable', false )

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) {

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// Bail because someone is overriding the [gallery] shortcode.

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remove_filter( 'gallery_style', array( $this, 'add_data_to_container' ) );

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remove_filter( 'wp_get_attachment_image_attributes', array( $this, 'add_data_to_images' ) );

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remove_filter( 'the_content', array( $this, 'add_data_img_tags_and_enqueue_assets' ) );

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// Display message that carousel has bailed, if user is super_admin, and if we're not on WordPress.com.

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if (

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is_super_admin() &&

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! ( defined( 'IS_WPCOM' ) && IS_WPCOM )

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) {

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add_filter( 'post_gallery', array( $this, 'display_bail_message' ) );

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}

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return $output;

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}

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/**

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* Fires when thumbnails are shown in Carousel.

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*

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* @module carousel

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*

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* @since 1.6.0

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*/

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do_action( 'jp_carousel_thumbnails_shown' );

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$this->enqueue_assets();

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return $output;

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}

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/**

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* Check if the content of a post uses gallery blocks. To be used by 'the_content' filter.

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*

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* @since 6.8.0

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* @deprecated since 11.3 We now hook into the 'block_render_{block_name}' hook to add markup.

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*

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* @param string $content Post content.

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*

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* @return string $content Post content.

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*/

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public function check_content_for_blocks( $content ) {

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_deprecated_function( __METHOD__, 'jetpack-11.3' );

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if (

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class_exists( 'Jetpack_AMP_Support' )

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&& Jetpack_AMP_Support::is_amp_request()

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) {

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return $content;

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}

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if ( has_block( 'gallery', $content ) || has_block( 'jetpack/tiled-gallery', $content ) ) {

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$this->enqueue_assets();

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$content = $this->add_data_to_container( $content );

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}

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return $content;

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}

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/**

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* Remove core lightbox settings from images in a gallery, if Carousel is enabled.

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*

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* @param array $parsed_block An associative array of the block being rendered.

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* @param array $source_block An un-modified copy of `$parsed_block`, as it appeared in the source content.

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* @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.

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* @return array The modified block data.

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*/

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public function remove_core_lightbox_in_gallery( $parsed_block, $source_block, $parent_block ) {

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if (

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! empty( $parsed_block['blockName'] ) &&

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'core/image' === $parsed_block['blockName'] &&

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! empty( $parent_block->name ) &&

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'core/gallery' === $parent_block->name

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) {

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unset( $parsed_block['attrs']['lightbox'] );

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}

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return $parsed_block;

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}

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/**

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* Enrich the gallery block content using the render_block_{$this->name} filter.

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* This function is triggered after block render to make sure we track galleries within

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* reusable blocks.

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*

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* @see https://developer.wordpress.org/reference/hooks/render_block_this-name/

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*

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* @param string $block_content The rendered HTML for the carousel or gallery block.

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* @param array $block The parsed block details for the block.

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* @return string The fully-processed HTML for the carousel or gallery block.

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*

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* @since 11.3

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*/

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public function filter_gallery_block_render( $block_content, $block ) {

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global $post;

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if ( empty( $block['blockName'] ) || ! in_array( $block['blockName'], array( 'core/gallery', 'jetpack/tiled-gallery' ), true ) ) {

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return $block_content;

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}

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$this->enqueue_assets();

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if ( ! $post instanceof WP_Post ) {

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return $block_content;

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}

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$blog_id = (int) get_current_blog_id();

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$extra_data = array(

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'data-carousel-extra' => array(

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'blog_id' => $blog_id,

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'permalink' => get_permalink( $post->ID ),

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),

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);

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/**

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* Filter the data added to the Gallery container.

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*

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* @module carousel

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*

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* @since 1.6.0

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*

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* @param array $extra_data Array of data about the site and the post.

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*/

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$extra_data = apply_filters( 'jp_carousel_add_data_to_container', $extra_data );

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$extra_data = (array) $extra_data;

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if ( empty( $extra_data ) ) {

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return $block_content;

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}

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$extra_attributes = implode(

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' ',

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array_map(

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function ( $data_key, $data_values ) {

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return esc_attr( $data_key ) . "='" . wp_json_encode( $data_values ) . "'";

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},

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array_keys( $extra_data ),

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array_values( $extra_data )

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)

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);

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// Add extra attributes to first HTML element (which may have leading whitespace)

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return preg_replace(

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'/^(\s*<(div|ul|figure))/',

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'$1 ' . $extra_attributes . ' ',

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$block_content,

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1

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);

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}

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[436] Fix | Delete

/**

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* Enqueueing Carousel assets.

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*/

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public function enqueue_assets() {

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if ( $this->first_run ) {

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wp_enqueue_script(

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'jetpack-carousel',

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Assets::get_file_url_for_environment(

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'_inc/build/carousel/jetpack-carousel.min.js',

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'modules/carousel/jetpack-carousel.js'

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),

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array(),

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$this->asset_version( JETPACK__VERSION ),

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true

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);

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$swiper_library_path = array(

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'url' => plugins_url( '_inc/blocks/swiper.js', JETPACK__PLUGIN_FILE ),

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);

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wp_localize_script( 'jetpack-carousel', 'jetpackSwiperLibraryPath', $swiper_library_path );

[456] Fix | Delete

[457] Fix | Delete

// Note: using home_url() instead of admin_url() for ajaxurl to be sure to get same domain on wpcom when using mapped domains (also works on self-hosted).

[458] Fix | Delete

// Also: not hardcoding path since there is no guarantee site is running on site root in self-hosted context.

[459] Fix | Delete

$is_logged_in = is_user_logged_in();

[460] Fix | Delete

$comment_registration = (int) get_option( 'comment_registration' );

[461] Fix | Delete

$require_name_email = (int) get_option( 'require_name_email' );

[462] Fix | Delete

$localize_strings = array(

[463] Fix | Delete

'widths' => $this->prebuilt_widths,

[464] Fix | Delete

'is_logged_in' => $is_logged_in,

[465] Fix | Delete

'lang' => strtolower( substr( get_locale(), 0, 2 ) ),

[466] Fix | Delete

'ajaxurl' => set_url_scheme( admin_url( 'admin-ajax.php' ) ),

[467] Fix | Delete

'nonce' => wp_create_nonce( 'carousel_nonce' ),

[468] Fix | Delete

'display_exif' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_exif', true ) ),

[469] Fix | Delete

'display_comments' => $this->test_1or0_option( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_display_comments', true ) ),

[470] Fix | Delete

'single_image_gallery' => $this->single_image_gallery_enabled,

[471] Fix | Delete

'single_image_gallery_media_file' => $this->single_image_gallery_enabled_media_file,

[472] Fix | Delete

'background_color' => $this->carousel_background_color_sanitize( Jetpack_Options::get_option_and_ensure_autoload( 'carousel_background_color', '' ) ),

[473] Fix | Delete

'comment' => __( 'Comment', 'jetpack' ),

[474] Fix | Delete

'post_comment' => __( 'Post Comment', 'jetpack' ),

[475] Fix | Delete

'write_comment' => __( 'Write a Comment...', 'jetpack' ),

[476] Fix | Delete

'loading_comments' => __( 'Loading Comments...', 'jetpack' ),

[477] Fix | Delete

'image_label' => __( 'Open image in full-screen.', 'jetpack' ),

[478] Fix | Delete

'download_original' => sprintf(

[479] Fix | Delete

/* translators: %1s is the full-size image width, and %2s is the height. */

[480] Fix | Delete

__( 'View full size <span class="photo-size">%1$s<span class="photo-size-times">&times;</span>%2$s</span>', 'jetpack' ),

[481] Fix | Delete

'{0}',

[482] Fix | Delete

'{1}'

[483] Fix | Delete

),

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'no_comment_text' => __( 'Please be sure to submit some text with your comment.', 'jetpack' ),

[485] Fix | Delete

'no_comment_email' => __( 'Please provide an email address to comment.', 'jetpack' ),

[486] Fix | Delete

'no_comment_author' => __( 'Please provide your name to comment.', 'jetpack' ),

[487] Fix | Delete

'comment_post_error' => __( 'Sorry, but there was an error posting your comment. Please try again later.', 'jetpack' ),

[488] Fix | Delete

'comment_approved' => __( 'Your comment was approved.', 'jetpack' ),

[489] Fix | Delete

'comment_unapproved' => __( 'Your comment is in moderation.', 'jetpack' ),

[490] Fix | Delete

'camera' => __( 'Camera', 'jetpack' ),

[491] Fix | Delete

'aperture' => __( 'Aperture', 'jetpack' ),

[492] Fix | Delete

'shutter_speed' => __( 'Shutter Speed', 'jetpack' ),

[493] Fix | Delete

'focal_length' => __( 'Focal Length', 'jetpack' ),

[494] Fix | Delete

'copyright' => __( 'Copyright', 'jetpack' ),

[495] Fix | Delete

'comment_registration' => $comment_registration,

[496] Fix | Delete

'require_name_email' => $require_name_email,

[497] Fix | Delete

/** This action is documented in core/src/wp-includes/link-template.php */

[498] Fix | Delete

'login_url' => wp_login_url( apply_filters( 'the_permalink', get_permalink() ) ),

[499] Fix | Delete