class-twentytwenty-non-latin-languages.php (7017B)
1 <?php 2 /** 3 * Non-latin language handling. 4 * 5 * Handle non-latin language styles. 6 * 7 * @package WordPress 8 * @subpackage Twenty_Twenty 9 * @since Twenty Twenty 1.0 10 */ 11 12 if ( ! class_exists( 'TwentyTwenty_Non_Latin_Languages' ) ) { 13 /** 14 * Language handling. 15 * 16 * @since Twenty Twenty 1.0 17 */ 18 class TwentyTwenty_Non_Latin_Languages { 19 20 /** 21 * Get custom CSS. 22 * 23 * Return CSS for non-latin language, if available, or null 24 * 25 * @since Twenty Twenty 1.0 26 * 27 * @param string $type Whether to return CSS for the "front-end", "block-editor", or "classic-editor". 28 * @return void 29 */ 30 public static function get_non_latin_css( $type = 'front-end' ) { 31 32 // Fetch site locale. 33 $locale = get_bloginfo( 'language' ); 34 35 /** 36 * Filters the fallback fonts for non-latin languages. 37 * 38 * @since Twenty Twenty 1.0 39 * 40 * @param array $font_family An array of locales and font families. 41 */ 42 $font_family = apply_filters( 43 'twentytwenty_get_localized_font_family_types', 44 array( 45 46 // Arabic. 47 'ar' => array( 'Tahoma', 'Arial', 'sans-serif' ), 48 'ary' => array( 'Tahoma', 'Arial', 'sans-serif' ), 49 'azb' => array( 'Tahoma', 'Arial', 'sans-serif' ), 50 'ckb' => array( 'Tahoma', 'Arial', 'sans-serif' ), 51 'fa-IR' => array( 'Tahoma', 'Arial', 'sans-serif' ), 52 'haz' => array( 'Tahoma', 'Arial', 'sans-serif' ), 53 'ps' => array( 'Tahoma', 'Arial', 'sans-serif' ), 54 55 // Chinese Simplified (China) - Noto Sans SC. 56 'zh-CN' => array( '\'PingFang SC\'', '\'Helvetica Neue\'', '\'Microsoft YaHei New\'', '\'STHeiti Light\'', 'sans-serif' ), 57 58 // Chinese Traditional (Taiwan) - Noto Sans TC. 59 'zh-TW' => array( '\'PingFang TC\'', '\'Helvetica Neue\'', '\'Microsoft YaHei New\'', '\'STHeiti Light\'', 'sans-serif' ), 60 61 // Chinese (Hong Kong) - Noto Sans HK. 62 'zh-HK' => array( '\'PingFang HK\'', '\'Helvetica Neue\'', '\'Microsoft YaHei New\'', '\'STHeiti Light\'', 'sans-serif' ), 63 64 // Cyrillic. 65 'bel' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ), 66 'bg-BG' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ), 67 'kk' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ), 68 'mk-MK' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ), 69 'mn' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ), 70 'ru-RU' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ), 71 'sah' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ), 72 'sr-RS' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ), 73 'tt-RU' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ), 74 'uk' => array( '\'Helvetica Neue\'', 'Helvetica', '\'Segoe UI\'', 'Arial', 'sans-serif' ), 75 76 // Devanagari. 77 'bn-BD' => array( 'Arial', 'sans-serif' ), 78 'hi-IN' => array( 'Arial', 'sans-serif' ), 79 'mr' => array( 'Arial', 'sans-serif' ), 80 'ne-NP' => array( 'Arial', 'sans-serif' ), 81 82 // Greek. 83 'el' => array( '\'Helvetica Neue\', Helvetica, Arial, sans-serif' ), 84 85 // Gujarati. 86 'gu' => array( 'Arial', 'sans-serif' ), 87 88 // Hebrew. 89 'he-IL' => array( '\'Arial Hebrew\'', 'Arial', 'sans-serif' ), 90 91 // Japanese. 92 'ja' => array( 'sans-serif' ), 93 94 // Korean. 95 'ko-KR' => array( '\'Apple SD Gothic Neo\'', '\'Malgun Gothic\'', '\'Nanum Gothic\'', 'Dotum', 'sans-serif' ), 96 97 // Thai. 98 'th' => array( '\'Sukhumvit Set\'', '\'Helvetica Neue\'', 'Helvetica', 'Arial', 'sans-serif' ), 99 100 // Vietnamese. 101 'vi' => array( '\'Libre Franklin\'', 'sans-serif' ), 102 103 ) 104 ); 105 106 // Return if the selected language has no fallback fonts. 107 if ( empty( $font_family[ $locale ] ) ) { 108 return; 109 } 110 111 /** 112 * Filters the elements to apply fallback fonts to. 113 * 114 * @since Twenty Twenty 1.0 115 * 116 * @param array $elements An array of elements for "front-end", "block-editor", or "classic-editor". 117 */ 118 $elements = apply_filters( 119 'twentytwenty_get_localized_font_family_elements', 120 array( 121 'front-end' => array( 'body', 'input', 'textarea', 'button', '.button', '.faux-button', '.wp-block-button__link', '.wp-block-file__button', '.has-drop-cap:not(:focus)::first-letter', '.has-drop-cap:not(:focus)::first-letter', '.entry-content .wp-block-archives', '.entry-content .wp-block-categories', '.entry-content .wp-block-cover-image', '.entry-content .wp-block-latest-comments', '.entry-content .wp-block-latest-posts', '.entry-content .wp-block-pullquote', '.entry-content .wp-block-quote.is-large', '.entry-content .wp-block-quote.is-style-large', '.entry-content .wp-block-archives *', '.entry-content .wp-block-categories *', '.entry-content .wp-block-latest-posts *', '.entry-content .wp-block-latest-comments *', '.entry-content p', '.entry-content ol', '.entry-content ul', '.entry-content dl', '.entry-content dt', '.entry-content cite', '.entry-content figcaption', '.entry-content .wp-caption-text', '.comment-content p', '.comment-content ol', '.comment-content ul', '.comment-content dl', '.comment-content dt', '.comment-content cite', '.comment-content figcaption', '.comment-content .wp-caption-text', '.widget_text p', '.widget_text ol', '.widget_text ul', '.widget_text dl', '.widget_text dt', '.widget-content .rssSummary', '.widget-content cite', '.widget-content figcaption', '.widget-content .wp-caption-text' ), 122 'block-editor' => array( '.editor-styles-wrapper > *', '.editor-styles-wrapper p', '.editor-styles-wrapper ol', '.editor-styles-wrapper ul', '.editor-styles-wrapper dl', '.editor-styles-wrapper dt', '.editor-post-title__block .editor-post-title__input', '.editor-styles-wrapper .wp-block h1', '.editor-styles-wrapper .wp-block h2', '.editor-styles-wrapper .wp-block h3', '.editor-styles-wrapper .wp-block h4', '.editor-styles-wrapper .wp-block h5', '.editor-styles-wrapper .wp-block h6', '.editor-styles-wrapper .has-drop-cap:not(:focus)::first-letter', '.editor-styles-wrapper cite', '.editor-styles-wrapper figcaption', '.editor-styles-wrapper .wp-caption-text' ), 123 'classic-editor' => array( 'body#tinymce.wp-editor', 'body#tinymce.wp-editor p', 'body#tinymce.wp-editor ol', 'body#tinymce.wp-editor ul', 'body#tinymce.wp-editor dl', 'body#tinymce.wp-editor dt', 'body#tinymce.wp-editor figcaption', 'body#tinymce.wp-editor .wp-caption-text', 'body#tinymce.wp-editor .wp-caption-dd', 'body#tinymce.wp-editor cite', 'body#tinymce.wp-editor table' ), 124 ) 125 ); 126 127 // Return if the specified type doesn't exist. 128 if ( empty( $elements[ $type ] ) ) { 129 return; 130 } 131 132 // Return the specified styles. 133 return twentytwenty_generate_css( implode( ',', $elements[ $type ] ), 'font-family', implode( ',', $font_family[ $locale ] ), null, null, false ); 134 135 } 136 } 137 }