| 1 |
<?php |
| 2 |
/** |
| 3 |
* Loads the Google Fonts used in Woofunnels blocks in the frontend. |
| 4 |
*/ |
| 5 |
|
| 6 |
// Exit if accessed directly. |
| 7 |
if ( ! defined( 'ABSPATH' ) ) { |
| 8 |
exit; |
| 9 |
} |
| 10 |
if ( ! class_exists( 'BWF_Google_Fonts' ) ) { |
| 11 |
class BWF_Google_Fonts { |
| 12 |
|
| 13 |
public static $google_fonts = []; |
| 14 |
|
| 15 |
function __construct() { |
| 16 |
add_filter( 'render_block', array( $this, 'gather_google_fonts' ), 10, 2 ); |
| 17 |
add_filter( 'wp_footer', array( $this, 'enqueue_frontend_block_fonts' ) ); |
| 18 |
} |
| 19 |
|
| 20 |
public function gather_google_fonts( $block_content, $block ) { |
| 21 |
|
| 22 |
/** return if admin panel */ |
| 23 |
if ( is_admin() ) { |
| 24 |
return $block_content; |
| 25 |
} |
| 26 |
|
| 27 |
if ( $this->is_woofunnel_block( $block['blockName'] ) && is_array( $block['attrs'] ) ) { |
| 28 |
foreach ( $block['attrs'] as $attr_name => $font_name ) { |
| 29 |
if ( preg_match( '/font$/i', $attr_name ) ) { |
| 30 |
if ( isset( $font_name['desktop'] ) && isset( $font_name['desktop']['family'] ) && ! empty( $font_name['desktop']['family'] ) ) { |
| 31 |
self::register_font( $font_name['desktop']['family'] ); |
| 32 |
} |
| 33 |
if ( isset( $font_name['tablet'] ) && isset( $font_name['tablet']['family'] ) && ! empty( $font_name['tablet']['family'] ) ) { |
| 34 |
self::register_font( $font_name['tablet']['family'] ); |
| 35 |
} |
| 36 |
if ( isset( $font_name['mobile'] ) && isset( $font_name['mobile']['family'] ) && ! empty( $font_name['mobile']['family'] ) ) { |
| 37 |
self::register_font( $font_name['mobile']['family'] ); |
| 38 |
} |
| 39 |
} |
| 40 |
} |
| 41 |
} |
| 42 |
|
| 43 |
return $block_content; |
| 44 |
} |
| 45 |
|
| 46 |
public function enqueue_frontend_block_fonts() { |
| 47 |
self::enqueue_google_fonts( array_unique( self::$google_fonts ) ); |
| 48 |
} |
| 49 |
|
| 50 |
public static function is_web_font( $font_name ) { |
| 51 |
return ! in_array( strtolower( $font_name ), [ 'serif', 'sans-serif', 'monospace', 'serif-alt' ] ); |
| 52 |
} |
| 53 |
|
| 54 |
public static function is_system_font( $font_name ) { |
| 55 |
$standard_font = file_exists( dirname( __FILE__ ) . '/standard-fonts.php' ) ? include dirname( __FILE__ ) . '/standard-fonts.php' : null; |
| 56 |
if ( $standard_font ) { |
| 57 |
foreach ( $standard_font as $key => $value ) { |
| 58 |
if ( strtolower( $font_name ) === strtolower( $value['value'] ) ) { |
| 59 |
return true; |
| 60 |
} |
| 61 |
} |
| 62 |
} |
| 63 |
|
| 64 |
return false; |
| 65 |
} |
| 66 |
|
| 67 |
public function is_woofunnel_block( $block_name ) { |
| 68 |
return ! is_null( $block_name ) && ( strpos( $block_name, 'bwfblocks/' ) === 0 || strpos( $block_name, 'sling-block/' ) === 0 ); |
| 69 |
} |
| 70 |
|
| 71 |
public static function register_font( $font_name ) { |
| 72 |
if ( ! self::is_web_font( $font_name ) ) { |
| 73 |
return; |
| 74 |
} |
| 75 |
if ( self::is_system_font( $font_name ) ) { |
| 76 |
return; |
| 77 |
} |
| 78 |
|
| 79 |
if ( ! in_array( $font_name, self::$google_fonts ) ) { |
| 80 |
// Allow themes to disable enqueuing fonts, helpful for custom fonts. |
| 81 |
if ( apply_filters( 'bwfblock_enqueue_font', true, $font_name ) ) { |
| 82 |
self::$google_fonts[] = $font_name; |
| 83 |
} |
| 84 |
} |
| 85 |
} |
| 86 |
|
| 87 |
/** |
| 88 |
* Based on: https://github.com/elementor/elementor/blob/bc251b81afb626c4c47029aea8a762566524a811/includes/frontend.php#L647 |
| 89 |
*/ |
| 90 |
public static function enqueue_google_fonts( $google_fonts, $handle = 'bwfblock-google-fonts' ) { |
| 91 |
global $post; |
| 92 |
if ( ! $post instanceof WP_Post ) { |
| 93 |
return; |
| 94 |
} |
| 95 |
$default_font = get_post_meta( $post->ID, 'bwfblock_default_font', true ); |
| 96 |
|
| 97 |
if ( ! count( $google_fonts ) && empty( $default_font ) ) { |
| 98 |
return; |
| 99 |
} |
| 100 |
|
| 101 |
// Add default in block font set |
| 102 |
if ( ! empty( $default_font ) ) { |
| 103 |
$google_fonts[] = $default_font; |
| 104 |
$google_fonts = array_unique( $google_fonts ); |
| 105 |
} |
| 106 |
|
| 107 |
foreach ( $google_fonts as &$font ) { |
| 108 |
|
| 109 |
if ( ! empty( $font ) ) { |
| 110 |
$font = str_replace( ' ', '+', $font ) . ':100,100italic,200,200italic,300,300italic,400,400italic,500,500italic,600,600italic,700,700italic,800,800italic,900,900italic'; |
| 111 |
} |
| 112 |
} |
| 113 |
|
| 114 |
$fonts_url = sprintf( 'https://fonts.googleapis.com/css?family=%s', implode( rawurlencode( '|' ), $google_fonts ) ); |
| 115 |
|
| 116 |
$subsets = [ |
| 117 |
'ru_RU' => 'cyrillic', |
| 118 |
'bg_BG' => 'cyrillic', |
| 119 |
'he_IL' => 'hebrew', |
| 120 |
'el' => 'greek', |
| 121 |
'vi' => 'vietnamese', |
| 122 |
'uk' => 'cyrillic', |
| 123 |
'cs_CZ' => 'latin-ext', |
| 124 |
'ro_RO' => 'latin-ext', |
| 125 |
'pl_PL' => 'latin-ext', |
| 126 |
]; |
| 127 |
|
| 128 |
$locale = get_locale(); |
| 129 |
if ( isset( $subsets[ $locale ] ) ) { |
| 130 |
$fonts_url .= '&subset=' . $subsets[ $locale ]; |
| 131 |
} |
| 132 |
|
| 133 |
wp_enqueue_style( $handle, $fonts_url ); // phpcs:ignore WordPress.WP.EnqueuedResourceParameters.MissingVersion |
| 134 |
|
| 135 |
if ( ! empty( $default_font ) ) { |
| 136 |
$default_font_selector = apply_filters( 'bwfblock_default_font_selector', 'body, body *' ); |
| 137 |
$default_font_css = "$default_font_selector{font-family:$default_font;}"; |
| 138 |
|
| 139 |
wp_add_inline_style( $handle, $default_font_css ); |
| 140 |
} |
| 141 |
} |
| 142 |
|
| 143 |
} |
| 144 |
|
| 145 |
new BWF_Google_Fonts(); |
| 146 |
} |
| 147 |
|
