first commit
This commit is contained in:
Roman Pyrih
@@ -0,0 +1,243 @@
|
||||
<?php
|
||||
/* * * * * * * * * * * * * * * * * * * * *
|
||||
*
|
||||
* ██████╗ ███╗ ███╗ ██████╗ ███████╗
|
||||
* ██╔═══██╗████╗ ████║██╔════╝ ██╔════╝
|
||||
* ██║ ██║██╔████╔██║██║ ███╗█████╗
|
||||
* ██║ ██║██║╚██╔╝██║██║ ██║██╔══╝
|
||||
* ╚██████╔╝██║ ╚═╝ ██║╚██████╔╝██║
|
||||
* ╚═════╝ ╚═╝ ╚═╝ ╚═════╝ ╚═╝
|
||||
*
|
||||
* @package : OMGF
|
||||
* @author : Daan van den Bergh
|
||||
* @copyright: (c) 2021 Daan van den Bergh
|
||||
* @url : https://daan.dev
|
||||
* * * * * * * * * * * * * * * * * * * */
|
||||
|
||||
defined('ABSPATH') || exit;
|
||||
|
||||
class OMGF_Frontend_Functions
|
||||
{
|
||||
const OMGF_STYLE_HANDLE = 'omgf-fonts';
|
||||
|
||||
/** @var bool $do_optimize */
|
||||
private $do_optimize;
|
||||
|
||||
/**
|
||||
* OMGF_Frontend_Functions constructor.
|
||||
*/
|
||||
public function __construct()
|
||||
{
|
||||
$this->do_optimize = $this->maybe_optimize_fonts();
|
||||
|
||||
if (!$this->do_optimize) {
|
||||
return;
|
||||
}
|
||||
|
||||
add_action('wp_head', [$this, 'add_preloads'], 3);
|
||||
add_action('wp_print_styles', [$this, 'process_fonts'], PHP_INT_MAX - 1000);
|
||||
}
|
||||
|
||||
/**
|
||||
* Should we optimize for logged in editors/administrators?
|
||||
*
|
||||
* @return bool
|
||||
*/
|
||||
private function maybe_optimize_fonts()
|
||||
{
|
||||
/**
|
||||
* Allows us to quickly bypass fonts optimization.
|
||||
*/
|
||||
if (isset($_GET['nomgf'])) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!OMGF_OPTIMIZE_EDIT_ROLES && current_user_can('edit_pages')) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* TODO: When setting all preloads at once (different stylesheet handles) combined with unloads, not all URLs are rewritten with their cache keys properly.
|
||||
* When configured handle by handle, it works fine. PHP multi-threading issues?
|
||||
*/
|
||||
public function add_preloads()
|
||||
{
|
||||
$preloaded_fonts = apply_filters('omgf_frontend_preloaded_fonts', OMGF::preloaded_fonts());
|
||||
|
||||
if (!$preloaded_fonts) {
|
||||
return;
|
||||
}
|
||||
|
||||
$optimized_fonts = apply_filters('omgf_frontend_optimized_fonts', OMGF::optimized_fonts());
|
||||
|
||||
/**
|
||||
* When OMGF Pro is enabled and set to Automatic mode, the merged handle is used to only load selected
|
||||
* preloads for the currently used stylesheet.
|
||||
*
|
||||
* @since v4.5.3 Added 2nd dummy parameter, to prevent Fatal Errors after updating.
|
||||
*/
|
||||
$pro_handle = apply_filters('omgf_pro_merged_handle', '', '');
|
||||
$i = 0;
|
||||
|
||||
foreach ($optimized_fonts as $stylesheet_handle => $font_faces) {
|
||||
if ($pro_handle && $stylesheet_handle != $pro_handle) {
|
||||
continue;
|
||||
}
|
||||
|
||||
foreach ($font_faces as $font_face) {
|
||||
$preloads_stylesheet = $preloaded_fonts[$stylesheet_handle] ?? [];
|
||||
|
||||
if (!in_array($font_face->id, array_keys($preloads_stylesheet))) {
|
||||
continue;
|
||||
}
|
||||
|
||||
$font_id = $font_face->id;
|
||||
$preload_variants = array_filter(
|
||||
(array) $font_face->variants,
|
||||
function ($variant) use ($preloads_stylesheet, $font_id) {
|
||||
return in_array($variant->id, $preloads_stylesheet[$font_id]);
|
||||
}
|
||||
);
|
||||
|
||||
foreach ($preload_variants as $variant) {
|
||||
$url = rawurldecode($variant->woff2);
|
||||
echo "<link id='omgf-preload-$i' rel='preload' href='$url' as='font' type='font/woff2' crossorigin />\n";
|
||||
$i++;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the Remove Google Fonts option is enabled.
|
||||
*/
|
||||
public function process_fonts()
|
||||
{
|
||||
if (is_admin()) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (apply_filters('omgf_pro_advanced_processing_enabled', false)) {
|
||||
return;
|
||||
}
|
||||
|
||||
switch (OMGF_FONT_PROCESSING) {
|
||||
case 'remove':
|
||||
add_action('wp_print_styles', [$this, 'remove_registered_fonts'], PHP_INT_MAX - 500);
|
||||
break;
|
||||
default:
|
||||
add_action('wp_print_styles', [$this, 'replace_registered_stylesheets'], PHP_INT_MAX - 500);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* This function contains a nice little hack, to avoid messing with potential dependency issues. We simply set the source to an empty string!
|
||||
*/
|
||||
public function remove_registered_fonts()
|
||||
{
|
||||
global $wp_styles;
|
||||
|
||||
$registered = $wp_styles->registered;
|
||||
$stylesheets = apply_filters('omgf_remove_detected_stylesheets', $this->detect_registered_stylesheets($registered));
|
||||
|
||||
foreach ($stylesheets as $handle => $stylesheet) {
|
||||
$wp_styles->registered[$handle]->src = '';
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieve stylesheets from Google Fonts' API and modify the stylesheet for local storage.
|
||||
*/
|
||||
public function replace_registered_stylesheets()
|
||||
{
|
||||
global $wp_styles;
|
||||
|
||||
$registered = $wp_styles->registered;
|
||||
$stylesheets = apply_filters('omgf_replace_detected_stylesheets', $this->detect_registered_stylesheets($registered));
|
||||
$unloaded_stylesheets = OMGF::unloaded_stylesheets();
|
||||
$unloaded_fonts = OMGF::unloaded_fonts();
|
||||
|
||||
foreach ($stylesheets as $handle => $stylesheet) {
|
||||
// If this stylesheet has been marked for unload, empty the src and skip out early.
|
||||
if (in_array($handle, $unloaded_stylesheets)) {
|
||||
$wp_styles->registered[$handle]->src = '';
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
$updated_handle = $handle;
|
||||
|
||||
if ($unloaded_fonts) {
|
||||
$updated_handle = OMGF::get_cache_key($handle);
|
||||
}
|
||||
|
||||
$cached_file = OMGF_CACHE_PATH . '/' . $updated_handle . "/$updated_handle.css";
|
||||
|
||||
/**
|
||||
* Bail early if stylesheet already exists.
|
||||
*/
|
||||
if (file_exists(WP_CONTENT_DIR . $cached_file)) {
|
||||
$wp_styles->registered[$handle]->src = content_url($cached_file);
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
/**
|
||||
* For future reference: this logic can't be moved to backend, because there's no other way to properly access the
|
||||
* $wp_styles global.
|
||||
*
|
||||
* @see $wp_styles global
|
||||
*/
|
||||
if (OMGF_OPTIMIZATION_MODE == 'manual' && isset($_GET['omgf_optimize'])) {
|
||||
$request = parse_url($stylesheet->src);
|
||||
$query = $request['query'] ?? '';
|
||||
$path = $request['path'] ?? '/css';
|
||||
|
||||
parse_str($query, $query_array);
|
||||
|
||||
if (empty($query_array)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
$params = http_build_query(
|
||||
array_merge(
|
||||
$query_array,
|
||||
[
|
||||
'handle' => $updated_handle,
|
||||
'original_handle' => $handle,
|
||||
'_wpnonce' => wp_create_nonce('wp_rest')
|
||||
]
|
||||
)
|
||||
);
|
||||
|
||||
/**
|
||||
* Use Home URL directly while building API request. This might prevent local development (non-SSL) issues.
|
||||
*/
|
||||
$wp_styles->registered[$handle]->src = home_url('/wp-json/omgf/v1/download') . $path . '?' . $params;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @param $registered_styles
|
||||
*
|
||||
* @return array
|
||||
*/
|
||||
private function detect_registered_stylesheets($registered_styles)
|
||||
{
|
||||
$detected_stylesheets = array_filter(
|
||||
$registered_styles,
|
||||
function ($contents) {
|
||||
return strpos($contents->src, 'fonts.googleapis.com/css') !== false;
|
||||
}
|
||||
);
|
||||
|
||||
/**
|
||||
* @since v4.5.11 Added filter to allow adding additional stylesheets.
|
||||
*/
|
||||
return apply_filters('omgf_detected_registered_stylesheets', $detected_stylesheets, $registered_styles);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user