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twentynineteen.php
226 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Jetpack Compatibility File |
| 4 | * See: https://jetpack.com/ |
| 5 | * |
| 6 | * @package automattic/jetpack |
| 7 | */ |
| 8 | |
| 9 | /** |
| 10 | * Add Jetpack theme supports for Twenty Nineteen. |
| 11 | */ |
| 12 | function twentynineteen_jetpack_setup() { |
| 13 | |
| 14 | /** |
| 15 | * Add theme support for Infinite Scroll. |
| 16 | */ |
| 17 | add_theme_support( |
| 18 | 'infinite-scroll', |
| 19 | array( |
| 20 | 'type' => 'click', |
| 21 | 'container' => 'main', |
| 22 | 'render' => 'twentynineteen_infinite_scroll_render', |
| 23 | 'footer' => 'page', |
| 24 | ) |
| 25 | ); |
| 26 | |
| 27 | /** |
| 28 | * Add theme support for Responsive Videos. |
| 29 | */ |
| 30 | add_theme_support( 'jetpack-responsive-videos' ); |
| 31 | |
| 32 | /** |
| 33 | * Add theme support for Content Options. |
| 34 | */ |
| 35 | add_theme_support( |
| 36 | 'jetpack-content-options', |
| 37 | array( |
| 38 | 'blog-display' => array( 'content', 'excerpt' ), |
| 39 | 'post-details' => array( |
| 40 | 'stylesheet' => 'twentynineteen-style', |
| 41 | 'date' => '.posted-on', |
| 42 | 'categories' => '.cat-links', |
| 43 | 'tags' => '.tags-links', |
| 44 | 'author' => '.byline', |
| 45 | 'comment' => '.comments-link', |
| 46 | ), |
| 47 | 'featured-images' => array( |
| 48 | 'archive' => true, |
| 49 | 'post' => true, |
| 50 | 'page' => true, |
| 51 | ), |
| 52 | ) |
| 53 | ); |
| 54 | } |
| 55 | add_action( 'after_setup_theme', 'twentynineteen_jetpack_setup' ); |
| 56 | |
| 57 | /** |
| 58 | * Custom render function for Infinite Scroll. |
| 59 | */ |
| 60 | function twentynineteen_infinite_scroll_render() { |
| 61 | while ( have_posts() ) { |
| 62 | the_post(); |
| 63 | get_template_part( 'template-parts/content/content' ); |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Enqueue Jetpack compat styles for Twenty Nineteen. |
| 69 | */ |
| 70 | function twentynineteen_init_jetpack() { |
| 71 | /** |
| 72 | * Add our compat CSS file for Infinite Scroll and custom widget stylings and such. |
| 73 | * Set the version equal to filemtime for development builds, and the JETPACK__VERSION for production |
| 74 | * or skip it entirely for wpcom. |
| 75 | */ |
| 76 | if ( ! is_admin() ) { |
| 77 | $version = false; |
| 78 | if ( method_exists( 'Jetpack', 'is_development_version' ) ) { |
| 79 | $version = Jetpack::is_development_version() ? filemtime( plugin_dir_path( __FILE__ ) . 'twentynineteen.css' ) : JETPACK__VERSION; |
| 80 | } |
| 81 | wp_enqueue_style( 'twentynineteen-jetpack', plugins_url( 'twentynineteen.css', __FILE__ ), array(), $version ); |
| 82 | wp_style_add_data( 'twentynineteen-jetpack', 'rtl', 'replace' ); |
| 83 | } |
| 84 | } |
| 85 | add_action( 'init', 'twentynineteen_init_jetpack' ); |
| 86 | |
| 87 | /** |
| 88 | * Alter gallery widget default width. |
| 89 | */ |
| 90 | function twentynineteen_gallery_widget_content_width() { |
| 91 | return 390; |
| 92 | } |
| 93 | add_filter( 'gallery_widget_content_width', 'twentynineteen_gallery_widget_content_width' ); |
| 94 | |
| 95 | if ( ! function_exists( 'twentynineteen_override_post_thumbnail' ) ) { |
| 96 | /** |
| 97 | * Alter featured-image default visibility for content-options. |
| 98 | */ |
| 99 | function twentynineteen_override_post_thumbnail() { |
| 100 | $options = get_theme_support( 'jetpack-content-options' ); |
| 101 | $featured_images = ( ! empty( $options[0]['featured-images'] ) ) ? $options[0]['featured-images'] : null; |
| 102 | |
| 103 | $settings = array( |
| 104 | 'post-default' => ( isset( $featured_images['post-default'] ) && false === $featured_images['post-default'] ) ? '' : 1, |
| 105 | 'page-default' => ( isset( $featured_images['page-default'] ) && false === $featured_images['page-default'] ) ? '' : 1, |
| 106 | ); |
| 107 | |
| 108 | $settings = array_merge( |
| 109 | $settings, |
| 110 | array( |
| 111 | 'post-option' => get_option( 'jetpack_content_featured_images_post', $settings['post-default'] ), |
| 112 | 'page-option' => get_option( 'jetpack_content_featured_images_page', $settings['page-default'] ), |
| 113 | ) |
| 114 | ); |
| 115 | |
| 116 | if ( ( ! $settings['post-option'] && is_single() ) |
| 117 | || ( ! $settings['page-option'] && is_singular() && is_page() ) ) { |
| 118 | return false; |
| 119 | } else { |
| 120 | return ! post_password_required() && ! is_attachment() && has_post_thumbnail(); |
| 121 | } |
| 122 | } |
| 123 | add_filter( 'twentynineteen_can_show_post_thumbnail', 'twentynineteen_override_post_thumbnail', 10, 2 ); |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * Adds custom classes to the array of body classes. |
| 128 | * |
| 129 | * @param array $classes Classes for the body element. |
| 130 | * @return array |
| 131 | */ |
| 132 | function twentynineteen_jetpack_body_classes( $classes ) { |
| 133 | // Adds a class if we're in the Customizer. |
| 134 | if ( is_customize_preview() ) : |
| 135 | $classes[] = 'twentynineteen-customizer'; |
| 136 | endif; |
| 137 | |
| 138 | return $classes; |
| 139 | } |
| 140 | add_filter( 'body_class', 'twentynineteen_jetpack_body_classes' ); |
| 141 | |
| 142 | /** |
| 143 | * Load AMP theme specific hooks for infinite scroll. |
| 144 | * |
| 145 | * @return void |
| 146 | */ |
| 147 | function amp_twentynineteen_infinite_scroll_render_hooks() { |
| 148 | add_filter( 'jetpack_amp_infinite_footers', 'twentynineteen_amp_infinite_footers', 10, 2 ); |
| 149 | add_filter( 'jetpack_amp_infinite_output', 'twentynineteen_amp_infinite_output' ); |
| 150 | add_filter( 'jetpack_amp_infinite_older_posts', 'twentynineteen_amp_infinite_older_posts' ); |
| 151 | } |
| 152 | |
| 153 | /** |
| 154 | * Get the theme specific footers. |
| 155 | * |
| 156 | * @param array $footers The footers of the themes. |
| 157 | * @param string $buffer Contents of the output buffer. |
| 158 | * |
| 159 | * @return mixed |
| 160 | */ |
| 161 | function twentynineteen_amp_infinite_footers( $footers, $buffer ) { |
| 162 | // Collect the footer wrapper. |
| 163 | preg_match( |
| 164 | '/<footer id="colophon".*<!-- #colophon -->/s', |
| 165 | $buffer, |
| 166 | $footer |
| 167 | ); |
| 168 | $footers[] = reset( $footer ); |
| 169 | |
| 170 | return $footers; |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Hide and remove various elements from next page load. |
| 175 | * |
| 176 | * @param string $buffer Contents of the output buffer. |
| 177 | * |
| 178 | * @return string |
| 179 | */ |
| 180 | function twentynineteen_amp_infinite_output( $buffer ) { |
| 181 | // Hide site header on next page load. |
| 182 | $buffer = preg_replace( |
| 183 | '/id="masthead"/', |
| 184 | '$0 next-page-hide', |
| 185 | $buffer |
| 186 | ); |
| 187 | |
| 188 | // Hide pagination on next page load. |
| 189 | $buffer = preg_replace( |
| 190 | '/class=".*navigation pagination.*"/', |
| 191 | '$0 next-page-hide hidden', |
| 192 | $buffer |
| 193 | ); |
| 194 | |
| 195 | // Remove the footer as it will be added back to amp next page footer. |
| 196 | $buffer = preg_replace( |
| 197 | '/<footer id="colophon".*<!-- #colophon -->/s', |
| 198 | '', |
| 199 | $buffer |
| 200 | ); |
| 201 | |
| 202 | return $buffer; |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Filter the AMP infinite scroll older posts button |
| 207 | * |
| 208 | * @return string |
| 209 | */ |
| 210 | function twentynineteen_amp_infinite_older_posts() { |
| 211 | ob_start(); |
| 212 | ?> |
| 213 | <div id="infinite-handle" style="text-align: center;"> |
| 214 | <span> |
| 215 | <a href="{{url}}"> |
| 216 | <button> |
| 217 | <?php esc_html_e( 'Older posts', 'jetpack' ); ?> |
| 218 | </button> |
| 219 | </a> |
| 220 | </span> |
| 221 | </div> |
| 222 | <?php |
| 223 | return ob_get_clean(); |
| 224 | } |
| 225 | |
| 226 |