85 lines
1.9 KiB
PHP
85 lines
1.9 KiB
PHP
<?php
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namespace WP_Rocket\Engine\Optimization\Minify\CSS;
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use WP_Rocket\Engine\Optimization\AssetsLocalCache;
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use WP_Rocket\Engine\Optimization\Minify\AbstractMinifySubscriber;
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/**
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* Minify/Combine CSS subscriber
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*
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* @since 3.1
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*/
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class Subscriber extends AbstractMinifySubscriber {
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/**
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* Return an array of events that this subscriber wants to listen to.
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*
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* @since 3.1
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*
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* @return array
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*/
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public static function get_subscribed_events() {
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$events = [
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'rocket_css_url' => [
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[ 'fix_ssl_minify' ],
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[ 'i18n_multidomain_url' ],
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],
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'rocket_buffer' => [ 'process', 16 ],
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];
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return $events;
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}
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/**
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* Processes the HTML to Minify/Combine CSS.
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*
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* @since 3.1
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*
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* @param string $html HTML content.
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* @return string
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*/
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public function process( $html ) {
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if ( ! $this->is_allowed() ) {
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return $html;
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}
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$assets_local_cache = new AssetsLocalCache( rocket_get_constant( 'WP_ROCKET_MINIFY_CACHE_PATH' ), $this->filesystem );
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if ( $this->options->get( 'minify_css' ) && $this->options->get( 'minify_concatenate_css' ) ) {
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$this->set_processor_type( new Combine( $this->options, $assets_local_cache ) );
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} elseif ( $this->options->get( 'minify_css' ) && ! $this->options->get( 'minify_concatenate_css' ) ) {
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$this->set_processor_type( new Minify( $this->options, $assets_local_cache ) );
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}
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return $this->processor->optimize( $html );
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}
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/**
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* Checks if is allowed to Minify/Combine CSS.
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*
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* @since 3.1
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*
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* @return bool
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*/
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protected function is_allowed() {
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if ( rocket_get_constant( 'DONOTROCKETOPTIMIZE' ) ) {
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return false;
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}
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if ( ! (bool) $this->options->get( 'minify_css', 0 ) ) {
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return false;
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}
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return ! is_rocket_post_excluded_option( 'minify_css' );
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}
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/**
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* Returns an array of CDN zones for CSS files.
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*
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* @since 3.1
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*
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* @return array
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*/
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public function get_zones() {
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return [ 'all', 'css_and_js', 'css' ];
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}
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}
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