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<?php
declare(strict_types=1);
namespace WP_Rocket\Addon\WebP;
use WP_Rocket\Engine\CDN\Subscriber as CDNSubscriber;
use WP_Rocket\Subscriber\Third_Party\Plugins\Images\Webp\Webp_Interface;
abstract class AbstractWebp {
/**
* CDNSubscriber instance.
*
* @var CDNSubscriber
*/
protected $cdn_subscriber;
/**
* Constructor.
*
* @since 3.12.6
*
* @param CDNSubscriber $cdn_subscriber CDNSubscriber instance.
*/
public function __construct( CDNSubscriber $cdn_subscriber ) {
$this->cdn_subscriber = $cdn_subscriber;
}
/**
* Get a list of active plugins that convert and/or serve webp images.
*
* @since 3.12.6
*
* @return array An array of Webp_Interface objects.
*/
protected function get_webp_plugins() {
/**
* Add Webp plugins.
*
* @since 3.4
*
* @param array $webp_plugins An array of Webp_Interface objects.
*/
$webp_plugins = (array) apply_filters( 'rocket_webp_plugins', [] );
if ( ! $webp_plugins ) {
// Somebody probably messed up.
return [];
}
foreach ( $webp_plugins as $plugin_key => $plugin ) {
if ( ! $plugin instanceof Webp_Interface ) {
unset( $webp_plugins[ $plugin_key ] );
continue;
}
if ( ! $this->is_plugin_active( $plugin->get_basename() ) ) {
unset( $webp_plugins[ $plugin_key ] );
}
}
return $webp_plugins;
}
/**
* Tell if a plugin is active.
*
* @since 3.12.6
*
* @param string $plugin_basename A plugin basename.
* @return bool
*/
protected function is_plugin_active( string $plugin_basename ): bool {
if ( doing_action( 'deactivate_' . $plugin_basename ) ) {
return false;
}
if ( doing_action( 'activate_' . $plugin_basename ) ) {
return true;
}
return rocket_is_plugin_active( $plugin_basename );
}
/**
* Tell if WP Rocket uses a CDN for images.
*
* @since 3.12.6
*
* @return bool
*/
protected function is_using_cdn(): bool {
// Don't use `$this->options_data->get( 'cdn' )` here, we need an up-to-date value when the CDN option changes.
$use = get_rocket_option( 'cdn', 0 ) && $this->cdn_subscriber->get_cdn_hosts( [], [ 'all', 'images' ] );
/**
* Filter whether WP Rocket is using a CDN for webp images.
*
* @since 3.4
*
* @param bool $use True if WP Rocket is using a CDN for webp images. False otherwise.
*/
return (bool) apply_filters( 'rocket_webp_is_using_cdn', $use );
}
}