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1<?php
2/**
3 * Jetpack Compatibility File
4 * See: https://jetpack.com/
5 *
6 * @package automattic/jetpack-classic-theme-helper
7 */
8
9if ( ! defined( 'ABSPATH' ) ) {
10    exit( 0 );
11}
12
13/**
14 * Add Jetpack theme supports for Twenty Nineteen.
15 */
16function twentynineteen__jetpack_setup() {
17
18    /**
19     * Add theme support for Responsive Videos.
20     */
21    add_theme_support( 'jetpack-responsive-videos' );
22
23    /**
24     * Add theme support for Content Options.
25     */
26    add_theme_support(
27        'jetpack-content-options',
28        array(
29            'blog-display'    => array( 'content', 'excerpt' ),
30            'post-details'    => array(
31                'stylesheet' => 'twentynineteen-style',
32                'date'       => '.posted-on',
33                'categories' => '.cat-links',
34                'tags'       => '.tags-links',
35                'author'     => '.byline',
36                'comment'    => '.comments-link',
37            ),
38            'featured-images' => array(
39                'archive' => true,
40                'post'    => true,
41                'page'    => true,
42            ),
43        )
44    );
45}
46add_action( 'after_setup_theme', 'twentynineteen__jetpack_setup' );
47
48if ( ! function_exists( 'twentynineteen_override_post_thumbnail' ) ) {
49    /**
50     * Alter featured-image default visibility for content-options.
51     */
52    function twentynineteen_override_post_thumbnail() {
53        $options         = get_theme_support( 'jetpack-content-options' );
54        $featured_images = ( ! empty( $options[0]['featured-images'] ) ) ? $options[0]['featured-images'] : null;
55
56        $settings = array(
57            'post-default' => ( isset( $featured_images['post-default'] ) && false === $featured_images['post-default'] ) ? '' : 1,
58            'page-default' => ( isset( $featured_images['page-default'] ) && false === $featured_images['page-default'] ) ? '' : 1,
59        );
60
61        $settings = array_merge(
62            $settings,
63            array(
64                'post-option' => get_option( 'jetpack_content_featured_images_post', $settings['post-default'] ),
65                'page-option' => get_option( 'jetpack_content_featured_images_page', $settings['page-default'] ),
66            )
67        );
68
69        if ( ( ! $settings['post-option'] && is_single() )
70        || ( ! $settings['page-option'] && is_singular() && is_page() ) ) {
71            return false;
72        } else {
73            return ! post_password_required() && ! is_attachment() && has_post_thumbnail();
74        }
75    }
76    add_filter( 'twentynineteen_can_show_post_thumbnail', 'twentynineteen_override_post_thumbnail', 10, 2 );
77}