<?php
// Exit if accessed directly.
if (!defined('ABSPATH')) {
exit;
}
if (!class_exists('awpa_Google_Fonts')) {
class awpa_Google_Fonts
{
function __construct()
{
add_action('wp_head', array($this, 'enqueue_frontend_block_fonts'), 100);
}
public function enqueue_frontend_block_fonts()
{
if (!apply_filters('awpa_enqueue_fonts', true)) {
return;
}
if (is_single() || is_page() || is_404()) {
global $post;
if (is_object($post) && property_exists($post, 'post_content')) {
$this->_enqueue_frontend_block_fonts($post->post_content);
}
} elseif (is_archive() || is_home() || is_search()) {
global $wp_query;
foreach ($wp_query as $post) {
if (is_object($post) && property_exists($post, 'post_content')) {
$this->_enqueue_frontend_block_fonts($post->post_content);
}
}
}
}
public function _enqueue_frontend_block_fonts($content)
{
$blocks = parse_blocks($content);
$google_fonts = $this->gather_google_fonts($blocks);
$this->enqueue_google_fonts($google_fonts);
}
public function is_web_font($font_name)
{
return !in_array(strtolower($font_name), ['serif', 'sans-serif', 'monospace', 'serif-alt']);
}
public function is_awpa_block($block_name)
{
if ( ! empty( $block_name ) ) {
return strpos($block_name, 'awpa/') === 0;
}
}
public function gather_google_fonts($blocks)
{
$google_fonts = array();
foreach ($blocks as $block) {
// Gather all "fontFamily" attribute values
if ($this->is_awpa_block($block['blockName'])) {
foreach ($block['attrs'] as $attr_name => $font_name) {
if (preg_match('/fontFamily$/i', $attr_name)) {
if (!$this->is_web_font($font_name)) {
continue;
}
if (!in_array($font_name, $google_fonts)) {
$google_fonts[] = $font_name;
}
}
}
}
if (!empty($block['innerBlocks'])) {
$google_fonts = array_unique(array_merge($google_fonts, $this->gather_google_fonts($block['innerBlocks'])));
}
}
return $google_fonts;
}
/**
* Based on: https://github.com/elementor/elementor/blob/bc251b81afb626c4c47029aea8a762566524a811/includes/frontend.php#L647
*/
public function enqueue_google_fonts($google_fonts)
{
if (!count($google_fonts)) {
return;
}
foreach ($google_fonts as &$font) {
$font = str_replace(' ', '+', $font) . ':100,100italic,200,200italic,300,300italic,400,400italic,500,500italic,600,600italic,700,700italic,800,800italic,900,900italic';
}
$fonts_url = sprintf('https://fonts.googleapis.com/css?family=%s', implode(rawurlencode('|'), $google_fonts));
$subsets = [
'ru_RU' => 'cyrillic',
'bg_BG' => 'cyrillic',
'he_IL' => 'hebrew',
'el' => 'greek',
'vi' => 'vietnamese',
'uk' => 'cyrillic',
'cs_CZ' => 'latin-ext',
'ro_RO' => 'latin-ext',
'pl_PL' => 'latin-ext',
];
$locale = get_locale();
if (isset($subsets[$locale])) {
$fonts_url .= '&subset=' . $subsets[$locale];
}
wp_enqueue_style('awpa-google-fonts', $fonts_url); // phpcs:ignore WordPress.WP.EnqueuedResourceParameters.MissingVersion
}
}
new awpa_Google_Fonts();
}