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

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use Automattic\Jetpack\Assets;

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// Exit if file is accessed directly.

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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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* Class to include elements to modify Related Posts look in Customizer.

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*

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* @since 4.4.0

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

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*/

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class Jetpack_Related_Posts_Customize {

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/**

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* Key for panel, section and prefix for options. Same option name than in Options > Reading.

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*

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* @var string

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*/

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public $prefix = 'jetpack_relatedposts';

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/**

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* Control to focus when customizer loads

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*

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* @var string

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*/

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public $focus = '';

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/**

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* Class initialization.

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*

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* @since 4.4.0

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*/

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public function __construct() {

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if ( ! wp_is_block_theme() ) {

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

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

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}

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}

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/**

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* Initialize Customizer controls.

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*

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* @since 4.4.0

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*

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* @param WP_Customize_Manager $wp_customize Customizer instance.

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*/

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public function customize_register( $wp_customize ) {

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$wp_customize->add_section(

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$this->prefix,

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array(

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'title' => esc_html__( 'Related Posts', 'jetpack' ),

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'description' => '',

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'capability' => 'edit_theme_options',

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'priority' => 200,

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)

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);

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$selective_options = array();

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foreach ( $this->get_options( $wp_customize ) as $key => $field ) {

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$control_id = "$this->prefix[$key]";

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$selective_options[] = $control_id;

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$wp_customize->add_setting(

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$control_id,

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array(

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'default' => isset( $field['default'] ) ? $field['default'] : '',

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'type' => isset( $field['setting_type'] ) ? $field['setting_type'] : 'option',

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'capability' => isset( $field['capability'] ) ? $field['capability'] : 'edit_theme_options',

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'transport' => isset( $field['transport'] ) ? $field['transport'] : 'postMessage',

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)

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);

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$control_settings = array(

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'label' => isset( $field['label'] ) ? $field['label'] : '',

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'description' => isset( $field['description'] ) ? $field['description'] : '',

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'settings' => $control_id,

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'type' => isset( $field['control_type'] ) ? $field['control_type'] : 'text',

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'section' => $this->prefix,

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'priority' => 10,

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'active_callback' => isset( $field['active_callback'] ) ? $field['active_callback'] : __CLASS__ . '::is_single',

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);

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switch ( $field['control_type'] ) {

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case 'text':

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case 'checkbox':

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default:

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$wp_customize->add_control( new WP_Customize_Control( $wp_customize, $control_id, $control_settings ) );

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break;

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case 'select':

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if ( isset( $field['choices'] ) ) {

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$control_settings['choices'] = $field['choices'];

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$wp_customize->add_control( new WP_Customize_Control( $wp_customize, $control_id, $control_settings ) );

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}

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break;

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case 'message':

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$wp_customize->add_control( new Jetpack_Message_Control( $wp_customize, $control_id, $control_settings ) );

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break;

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}

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}

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// If selective refresh is available, implement it.

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if ( isset( $wp_customize->selective_refresh ) ) {

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$wp_customize->selective_refresh->add_partial(

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"$this->prefix",

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array(

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'selector' => '.jp-relatedposts:not(.jp-relatedposts-block)',

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'settings' => $selective_options,

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'render_callback' => __CLASS__ . '::render_callback',

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'container_inclusive' => false,

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)

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);

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}

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}

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/**

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* Callback that outputs the headline based on user choice.

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*

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* @since 4.4.0

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*/

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public static function render_callback() {

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echo Jetpack_RelatedPosts::init()->get_headline(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- content escaped in get_headline method

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}

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/**

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* Check whether the current post contains a Related Posts block.

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*

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* @since 6.9.0

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*

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* @return bool

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*/

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public static function contains_related_posts_block() {

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if ( has_block( 'jetpack/related-posts' ) ) {

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return true;

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}

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return false;

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}

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/**

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* Check that we're in a single post view.

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* Will return `false` if the current post contains a Related Posts block,

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* because in that case we want to hide the Customizer controls.

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*

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* @since 4.4.0

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*

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* @return bool

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*/

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public static function is_single() {

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if ( self::contains_related_posts_block() ) {

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return false;

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}

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return is_single();

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}

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/**

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* Check that we're not in a single post view.

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* Will return `false` if the current post contains a Related Posts block,

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* because in that case we want to hide the Customizer controls.

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*

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* @since 4.4.0

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*

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* @return bool

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*/

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public static function is_not_single() {

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if ( self::contains_related_posts_block() ) {

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return false;

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}

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return ! is_single();

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}

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/**

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* Return list of options to modify.

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*

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* @since 4.4.0

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*

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* @param object $wp_customize Instance of WP Customizer.

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*

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* @return mixed|void

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*/

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public function get_options( $wp_customize ) {

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$transport = isset( $wp_customize->selective_refresh ) ? 'postMessage' : 'refresh';

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$switched_locale = switch_to_locale( get_user_locale() );

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$headline = __( 'Related', 'jetpack' );

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if ( $switched_locale ) {

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restore_previous_locale();

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}

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/**

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* The filter allows you to change the options used to display Related Posts in the Customizer.

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*

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* @module related-posts

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*

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* @since 4.4.0

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*

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* @param array $options Array of options used to display Related Posts in the Customizer.

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*/

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return apply_filters(

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'jetpack_related_posts_customize_options',

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array(

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'enabled' => array(

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'control_type' => 'hidden',

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'default' => 1,

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'setting_type' => 'option',

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'transport' => $transport,

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),

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'show_headline' => array(

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'label' => esc_html__( 'Show a headline', 'jetpack' ),

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'description' => esc_html__( 'This helps to clearly separate the related posts from post content.', 'jetpack' ),

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'control_type' => 'checkbox',

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'default' => 1,

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'setting_type' => 'option',

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'transport' => $transport,

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),

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'headline' => array(

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'label' => '',

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'description' => esc_html__( 'Enter text to use as headline.', 'jetpack' ),

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'control_type' => 'text',

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'default' => esc_html( $headline ),

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'setting_type' => 'option',

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'transport' => $transport,

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),

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'show_thumbnails' => array(

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'label' => esc_html__( 'Show thumbnails', 'jetpack' ),

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'description' => esc_html__( 'Show a thumbnail image where available.', 'jetpack' ),

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'control_type' => 'checkbox',

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'default' => 1,

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'setting_type' => 'option',

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'transport' => $transport,

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),

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'show_date' => array(

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'label' => esc_html__( 'Show date', 'jetpack' ),

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'description' => esc_html__( 'Display date when entry was published.', 'jetpack' ),

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'control_type' => 'checkbox',

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'default' => 1,

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'setting_type' => 'option',

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'transport' => $transport,

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),

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'show_context' => array(

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'label' => esc_html__( 'Show context', 'jetpack' ),

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'description' => esc_html__( "Display entry's category or tag.", 'jetpack' ),

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'control_type' => 'checkbox',

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'default' => 1,

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'setting_type' => 'option',

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'transport' => $transport,

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),

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'layout' => array(

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'label' => esc_html__( 'Layout', 'jetpack' ),

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'description' => esc_html__( 'Arrange entries in different layouts.', 'jetpack' ),

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'control_type' => 'select',

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'choices' => array(

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'grid' => esc_html__( 'Grid', 'jetpack' ),

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'list' => esc_html__( 'List', 'jetpack' ),

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),

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'default' => 'grid',

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'setting_type' => 'option',

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'transport' => $transport,

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),

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'msg_go_to_single' => array(

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'description' => esc_html__( 'Please visit a single post view to reveal the customization options.', 'jetpack' ),

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'control_type' => 'message',

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'active_callback' => __CLASS__ . '::is_not_single',

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),

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'msg_example' => array(

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'description' => esc_html__( 'Please note that the related posts displayed now are only for previewing purposes.', 'jetpack' ),

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'control_type' => 'message',

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),

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)

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);

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}

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/**

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* Enqueue assets for Customizer controls.

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*

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* @since 4.4.0

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*/

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public function customize_controls_enqueue_scripts() {

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wp_enqueue_script(

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'jetpack_related-posts-customizer',

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Assets::get_file_url_for_environment(

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'_inc/build/related-posts/related-posts-customizer.min.js',

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'modules/related-posts/related-posts-customizer.js'

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),

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array( 'customize-controls' ),

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JETPACK__VERSION,

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false

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);

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}

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} // class end

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/**

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* Control that displays a message in Customizer.

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*

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* @since 4.4.0

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* @todo break this out into its own file.

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*/

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class Jetpack_Message_Control extends WP_Customize_Control { // phpcs:ignore

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/**

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* Render the message.

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*

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* @since 4.4.0

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*/

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public function render_content() {

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echo '<p class="description">' . esc_html( $this->description ) . '</p>';

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}

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} // class end

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// Initialize controls.

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new Jetpack_Related_Posts_Customize();

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