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twentynineteen.php
167 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 | add_action( 'after_setup_theme', 'twentynineteen_jetpack_setup' ); |
| 28 | |
| 29 | /** |
| 30 | * Custom render function for Infinite Scroll. |
| 31 | */ |
| 32 | function twentynineteen_infinite_scroll_render() { |
| 33 | while ( have_posts() ) { |
| 34 | the_post(); |
| 35 | get_template_part( 'template-parts/content/content' ); |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * Enqueue Jetpack compat styles for Twenty Nineteen. |
| 41 | */ |
| 42 | function twentynineteen_init_jetpack() { |
| 43 | /** |
| 44 | * Add our compat CSS file for Infinite Scroll and custom widget stylings and such. |
| 45 | * Set the version equal to filemtime for development builds, and the JETPACK__VERSION for production |
| 46 | * or skip it entirely for wpcom. |
| 47 | */ |
| 48 | if ( ! is_admin() ) { |
| 49 | $version = false; |
| 50 | if ( method_exists( 'Jetpack', 'is_development_version' ) ) { |
| 51 | $version = Jetpack::is_development_version() ? filemtime( plugin_dir_path( __FILE__ ) . 'twentynineteen.css' ) : JETPACK__VERSION; |
| 52 | } |
| 53 | wp_enqueue_style( 'twentynineteen-jetpack', plugins_url( 'twentynineteen.css', __FILE__ ), array(), $version ); |
| 54 | wp_style_add_data( 'twentynineteen-jetpack', 'rtl', 'replace' ); |
| 55 | } |
| 56 | } |
| 57 | add_action( 'init', 'twentynineteen_init_jetpack' ); |
| 58 | |
| 59 | /** |
| 60 | * Alter gallery widget default width. |
| 61 | */ |
| 62 | function twentynineteen_gallery_widget_content_width() { |
| 63 | return 390; |
| 64 | } |
| 65 | add_filter( 'gallery_widget_content_width', 'twentynineteen_gallery_widget_content_width' ); |
| 66 | |
| 67 | /** |
| 68 | * Adds custom classes to the array of body classes. |
| 69 | * |
| 70 | * @param array $classes Classes for the body element. |
| 71 | * @return array |
| 72 | */ |
| 73 | function twentynineteen_jetpack_body_classes( $classes ) { |
| 74 | // Adds a class if we're in the Customizer. |
| 75 | if ( is_customize_preview() ) : |
| 76 | $classes[] = 'twentynineteen-customizer'; |
| 77 | endif; |
| 78 | |
| 79 | return $classes; |
| 80 | } |
| 81 | add_filter( 'body_class', 'twentynineteen_jetpack_body_classes' ); |
| 82 | |
| 83 | /** |
| 84 | * Load AMP theme specific hooks for infinite scroll. |
| 85 | * |
| 86 | * @return void |
| 87 | */ |
| 88 | function amp_twentynineteen_infinite_scroll_render_hooks() { |
| 89 | add_filter( 'jetpack_amp_infinite_footers', 'twentynineteen_amp_infinite_footers', 10, 2 ); |
| 90 | add_filter( 'jetpack_amp_infinite_output', 'twentynineteen_amp_infinite_output' ); |
| 91 | add_filter( 'jetpack_amp_infinite_older_posts', 'twentynineteen_amp_infinite_older_posts' ); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Get the theme specific footers. |
| 96 | * |
| 97 | * @param array $footers The footers of the themes. |
| 98 | * @param string $buffer Contents of the output buffer. |
| 99 | * |
| 100 | * @return mixed |
| 101 | */ |
| 102 | function twentynineteen_amp_infinite_footers( $footers, $buffer ) { |
| 103 | // Collect the footer wrapper. |
| 104 | preg_match( |
| 105 | '/<footer id="colophon".*<!-- #colophon -->/s', |
| 106 | $buffer, |
| 107 | $footer |
| 108 | ); |
| 109 | $footers[] = reset( $footer ); |
| 110 | |
| 111 | return $footers; |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Hide and remove various elements from next page load. |
| 116 | * |
| 117 | * @param string $buffer Contents of the output buffer. |
| 118 | * |
| 119 | * @return string |
| 120 | */ |
| 121 | function twentynineteen_amp_infinite_output( $buffer ) { |
| 122 | // Hide site header on next page load. |
| 123 | $buffer = preg_replace( |
| 124 | '/id="masthead"/', |
| 125 | '$0 next-page-hide', |
| 126 | $buffer |
| 127 | ); |
| 128 | |
| 129 | // Hide pagination on next page load. |
| 130 | $buffer = preg_replace( |
| 131 | '/class=".*navigation pagination.*"/', |
| 132 | '$0 next-page-hide hidden', |
| 133 | $buffer |
| 134 | ); |
| 135 | |
| 136 | // Remove the footer as it will be added back to amp next page footer. |
| 137 | $buffer = preg_replace( |
| 138 | '/<footer id="colophon".*<!-- #colophon -->/s', |
| 139 | '', |
| 140 | $buffer |
| 141 | ); |
| 142 | |
| 143 | return $buffer; |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Filter the AMP infinite scroll older posts button |
| 148 | * |
| 149 | * @return string |
| 150 | */ |
| 151 | function twentynineteen_amp_infinite_older_posts() { |
| 152 | ob_start(); |
| 153 | ?> |
| 154 | <div id="infinite-handle" style="text-align: center;"> |
| 155 | <span> |
| 156 | <a href="{{url}}"> |
| 157 | <button> |
| 158 | <?php esc_html_e( 'Older posts', 'jetpack' ); ?> |
| 159 | </button> |
| 160 | </a> |
| 161 | </span> |
| 162 | </div> |
| 163 | <?php |
| 164 | return ob_get_clean(); |
| 165 | } |
| 166 | |
| 167 |