add wp-rocket
This commit is contained in:
nguyen dung
@@ -0,0 +1,546 @@
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<?php
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namespace WP_Rocket\Engine\Media;
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use WP_Rocket\Dependencies\Minify\JS;
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use WP_Rocket\Dependencies\RocketLazyload\Assets;
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use WP_Rocket\Dependencies\RocketLazyload\Image;
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use WP_Rocket\Dependencies\RocketLazyload\Iframe;
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use WP_Rocket\Admin\Options_Data;
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use WP_Rocket\Event_Management\Subscriber_Interface;
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/**
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* Lazyload Subscriber
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*
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* @since 3.3
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*/
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class LazyloadSubscriber implements Subscriber_Interface {
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const SCRIPT_VERSION = '16.1';
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/**
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* Options_Data instance
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*
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* @var Options_Data
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*/
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private $options;
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/**
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* Assets instance
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*
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* @var Assets
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*/
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private $assets;
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/**
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* Image instance
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*
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* @var Image
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*/
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private $image;
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/**
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* Iframe instance
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*
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* @var Iframe
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*/
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private $iframe;
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/**
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* Constructor
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*
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* @since 3.3
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*
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* @param Options_Data $options Options_Data instance.
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* @param Assets $assets Assets instance.
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* @param Image $image Image instance.
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* @param Iframe $iframe Iframe instance.
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*/
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public function __construct( Options_Data $options, Assets $assets, Image $image, Iframe $iframe ) {
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$this->options = $options;
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$this->assets = $assets;
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$this->image = $image;
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$this->iframe = $iframe;
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}
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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 3.3
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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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return [
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'wp_footer' => [
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[ 'insert_lazyload_script', PHP_INT_MAX ],
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[ 'insert_youtube_thumbnail_script', PHP_INT_MAX ],
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],
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'wp_head' => [ 'insert_nojs_style', PHP_INT_MAX ],
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'wp_enqueue_scripts' => [ 'insert_youtube_thumbnail_style', PHP_INT_MAX ],
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'rocket_buffer' => [ 'lazyload', 18 ],
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'rocket_lazyload_html' => 'lazyload_responsive',
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'init' => 'lazyload_smilies',
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'wp' => 'deactivate_lazyload_on_specific_posts',
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'wp_lazy_loading_enabled' => 'maybe_disable_core_lazyload',
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];
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}
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/**
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* Inserts the lazyload script in the footer
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*
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* @since 3.3
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*
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* @return void
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*/
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public function insert_lazyload_script() {
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if ( ! $this->can_lazyload_images() && ! $this->can_lazyload_iframes() ) {
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return;
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}
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if ( ! $this->should_lazyload() ) {
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return;
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}
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/**
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* Filters the use of the polyfill for intersectionObserver
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*
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* @since 3.3
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* @author Remy Perona
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*
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* @param bool $polyfill True to use the polyfill, false otherwise.
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*/
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$polyfill = (bool) apply_filters( 'rocket_lazyload_polyfill', false );
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$script_args = [
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'base_url' => rocket_get_constant( 'WP_ROCKET_ASSETS_JS_URL' ) . 'lazyload/',
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'version' => self::SCRIPT_VERSION,
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'polyfill' => $polyfill,
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];
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$this->add_inline_script();
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$this->assets->insertLazyloadScript( $script_args );
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}
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/**
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* Adds the inline lazyload script
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*
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* @since 3.6
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*
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* @return void
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*/
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private function add_inline_script() {
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$inline_script = $this->assets->getInlineLazyloadScript( $this->set_inline_script_args() );
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if ( ! rocket_get_constant( 'SCRIPT_DEBUG' ) ) {
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$inline_script = $this->minify_script( $inline_script );
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}
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echo '<script>' . $inline_script . '</script>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Dynamic content is properly escaped in the view.
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}
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/**
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* Sets the arguments array for the inline lazyload script
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*
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* @since 3.6
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*
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* @return array
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*/
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private function set_inline_script_args() {
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/**
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* Filters the threshold at which lazyload is triggered
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*
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* @since 1.2
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* @author Remy Perona
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*
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* @param int $threshold Threshold value.
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*/
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$threshold = (int) apply_filters( 'rocket_lazyload_threshold', 300 );
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$inline_args = [
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'threshold' => $threshold,
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];
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/**
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* Filters the use of native lazyload
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*
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* @since 3.4
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* @author Remy Perona
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*
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* @param bool $use_native True to use native lazyload, false otherwise.
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*/
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if ( (bool) apply_filters( 'rocket_use_native_lazyload', false ) ) {
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$inline_args['options'] = [
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'use_native' => 'true',
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];
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$inline_args['elements']['loading'] = '[loading=lazy]';
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}
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if ( $this->options->get( 'lazyload', 0 ) ) {
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$inline_args['elements']['image'] = 'img[data-lazy-src]';
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$inline_args['elements']['background_image'] = '.rocket-lazyload';
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}
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if ( (bool) $this->options->get( 'lazyload_iframes', 0 ) ) {
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$inline_args['elements']['iframe'] = 'iframe[data-lazy-src]';
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}
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/**
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* Filters the arguments array for the lazyload script options
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*
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* @since 3.3
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* @author Remy Perona
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*
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* @param array $inline_args Arguments used for the lazyload script options.
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*/
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return (array) apply_filters( 'rocket_lazyload_script_args', $inline_args );
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}
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/**
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* Minifies the inline script
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*
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* @since 3.6
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*
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* @param string $script Inline script to minify.
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* @return string
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*/
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private function minify_script( $script ) {
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$minify = new JS( $script );
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return $minify->minify();
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}
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/**
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* Inserts the Youtube thumbnail script in the footer
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*
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* @since 3.3
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*
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* @return void
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*/
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public function insert_youtube_thumbnail_script() {
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if ( ! $this->options->get( 'lazyload_youtube' ) || ! $this->can_lazyload_iframes() ) {
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return;
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}
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if ( ! $this->should_lazyload() ) {
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return;
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}
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/**
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* Filters the resolution of the YouTube thumbnail
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*
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* @since 1.4.8
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* @deprecated 3.3
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* @author Arun Basil Lal
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*
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* @param string $thumbnail_resolution The resolution of the thumbnail. Accepted values: default, mqdefault, hqdefault, sddefault, maxresdefault
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*/
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$thumbnail_resolution = apply_filters_deprecated( 'rocket_youtube_thumbnail_resolution', [ 'hqdefault' ], '3.3', 'rocket_lazyload_youtube_thumbnail_resolution' );
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/**
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* Filters the resolution of the YouTube thumbnail
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*
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* @since 1.4.8
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* @author Arun Basil Lal
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*
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* @param string $thumbnail_resolution The resolution of the thumbnail. Accepted values: default, mqdefault, hqdefault, sddefault, maxresdefault
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*/
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$thumbnail_resolution = apply_filters( 'rocket_lazyload_youtube_thumbnail_resolution', $thumbnail_resolution );
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$this->assets->insertYoutubeThumbnailScript(
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[
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'resolution' => $thumbnail_resolution,
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'lazy_image' => (bool) $this->options->get( 'lazyload' ),
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]
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);
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}
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/**
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* Inserts the no JS CSS compatibility in the header
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*
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* @since 3.3
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*
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* @return void
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*/
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public function insert_nojs_style() {
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if ( ! $this->should_lazyload() ) {
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return;
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}
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if ( ! $this->can_lazyload_images() && ! $this->can_lazyload_iframes() ) {
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return;
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}
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if ( ! $this->options->get( 'lazyload' ) && ! $this->options->get( 'lazyload_iframes' ) ) {
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return;
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}
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$this->assets->insertNoJSCSS();
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}
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/**
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* Inserts the Youtube thumbnail CSS in the header
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*
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* @since 3.3
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*
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* @return void
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*/
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public function insert_youtube_thumbnail_style() {
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if ( ! $this->options->get( 'lazyload_youtube' ) || ! $this->can_lazyload_iframes() ) {
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return;
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}
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if ( ! $this->should_lazyload() ) {
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return;
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}
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$this->assets->insertYoutubeThumbnailCSS(
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[
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'base_url' => WP_ROCKET_ASSETS_URL,
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'responsive_embeds' => current_theme_supports( 'responsive-embeds' ),
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]
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);
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}
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/**
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* Checks if lazyload should be applied
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*
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* @since 3.3
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*
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* @return bool
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*/
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private function should_lazyload() {
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if (
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rocket_get_constant( 'REST_REQUEST', false )
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||
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rocket_get_constant( 'DONOTLAZYLOAD', false )
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||
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rocket_get_constant( 'DONOTROCKETOPTIMIZE', false )
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) {
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return false;
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}
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if (
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is_admin()
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||
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is_feed()
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||
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is_preview()
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) {
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return false;
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}
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if (
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is_search()
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&&
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// This filter is documented in inc/classes/Buffer/class-tests.php.
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! (bool) apply_filters( 'rocket_cache_search', false )
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) {
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return false;
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}
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// Exclude Page Builders editors.
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$excluded_parameters = [
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'fl_builder',
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'et_fb',
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'ct_builder',
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];
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foreach ( $excluded_parameters as $excluded ) {
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if ( isset( $_GET[ $excluded ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
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return false;
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}
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}
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return true;
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}
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/**
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* Applies lazyload on the provided content
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*
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* @since 3.3
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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 lazyload( $html ) {
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if ( ! $this->should_lazyload() ) {
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return $html;
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}
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$buffer = $this->ignore_scripts( $html );
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$buffer = $this->ignore_noscripts( $buffer );
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if ( $this->can_lazyload_iframes() ) {
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$args = [
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'youtube' => $this->options->get( 'lazyload_youtube' ),
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];
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$html = $this->iframe->lazyloadIframes( $html, $buffer, $args );
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}
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if ( $this->can_lazyload_images() ) {
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$html = $this->image->lazyloadPictures( $html, $buffer );
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$html = $this->image->lazyloadImages( $html, $buffer );
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/**
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* Filters the application of lazyload on background images
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*
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* @since 3.3
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*
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* @param bool $lazyload True to apply, false otherwise.
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*/
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if ( apply_filters( 'rocket_lazyload_background_images', true ) ) {
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$html = $this->image->lazyloadBackgroundImages( $html, $buffer );
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}
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}
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return $html;
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}
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/**
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* Applies lazyload on responsive images attributes srcset and sizes
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*
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* @since 3.3
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*
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* @param string $html Image HTML.
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* @return string
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*/
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public function lazyload_responsive( $html ) {
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return $this->image->lazyloadResponsiveAttributes( $html );
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}
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/**
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* Applies lazyload on WordPress smilies
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*
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* @since 3.3
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*
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* @return void
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*/
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public function lazyload_smilies() {
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if ( ! $this->should_lazyload() ) {
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return;
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}
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if ( ! $this->options->get( 'lazyload' ) ) {
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return;
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}
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$filters = [
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'the_content' => 10,
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'the_excerpt' => 10,
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'comment_text' => 20,
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];
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foreach ( $filters as $filter => $prio ) {
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if ( ! has_filter( $filter ) ) {
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continue;
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}
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remove_filter( $filter, 'convert_smilies', $prio );
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add_filter( $filter, [ $this->image, 'convertSmilies' ], $prio );
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}
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}
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/**
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* Prevents lazyload if the option is unchecked on the WP Rocket options metabox for a post
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*
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* @since 3.3
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*
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* @return void
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*/
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public function deactivate_lazyload_on_specific_posts() {
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if ( is_rocket_post_excluded_option( 'lazyload' ) ) {
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add_filter( 'do_rocket_lazyload', '__return_false' );
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}
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if ( is_rocket_post_excluded_option( 'lazyload_iframes' ) ) {
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add_filter( 'do_rocket_lazyload_iframes', '__return_false' );
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}
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}
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/**
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* Disable WP core lazyload if our images lazyload is active
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*
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* @since 3.5
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*
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* @param bool $value Current value for the enabling variable.
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* @return bool
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*/
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public function maybe_disable_core_lazyload( $value ) {
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if ( false === $value ) {
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return $value;
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}
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return ! (bool) $this->can_lazyload_images();
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}
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/**
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* Remove inline scripts from the HTML to parse
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*
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* @since 3.3
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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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private function ignore_scripts( $html ) {
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return preg_replace( '/<script\b(?:[^>]*)>(?:.+)?<\/script>/Umsi', '', $html );
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}
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/**
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* Checks if we can lazyload images.
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*
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* @since 3.3
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*
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* @return boolean
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*/
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private function can_lazyload_images() {
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if ( ! $this->options->get( 'lazyload', 0 ) ) {
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return false;
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}
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/**
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* Filters the lazyload application on images
|
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*
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* @since 2.0
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* @author Remy Perona
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*
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* @param bool $do_rocket_lazyload True to apply lazyload, false otherwise.
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*/
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return apply_filters( 'do_rocket_lazyload', true ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
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}
|
||||
|
||||
/**
|
||||
* Checks if we can lazyload iframes
|
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*
|
||||
* @since 3.3
|
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*
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||||
* @return boolean
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*/
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private function can_lazyload_iframes() {
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if ( ! $this->options->get( 'lazyload_iframes', 0 ) ) {
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return false;
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}
|
||||
|
||||
/**
|
||||
* Filters the lazyload application on iframes
|
||||
*
|
||||
* @since 2.0
|
||||
* @author Remy Perona
|
||||
*
|
||||
* @param bool $do_rocket_lazyload_iframes True to apply lazyload, false otherwise.
|
||||
*/
|
||||
return apply_filters( 'do_rocket_lazyload_iframes', true ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove noscript tags from the HTML to parse
|
||||
*
|
||||
* @since 3.3
|
||||
*
|
||||
* @param string $html HTML content.
|
||||
* @return string
|
||||
*/
|
||||
private function ignore_noscripts( $html ) {
|
||||
return preg_replace( '#<noscript>(?:.+)</noscript>#Umsi', '', $html );
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user