| 1 |
<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
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/** |
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* Module Name: Likes |
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* Module Description: Give visitors an easy way to show they appreciate your content. |
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* First Introduced: 2.2 |
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* Sort Order: 23 |
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* Requires Connection: Yes |
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* Auto Activate: No |
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* Module Tags: Social |
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* Feature: Engagement |
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* Additional Search Queries: like, likes, wordpress.com |
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* |
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* @package automattic/jetpack |
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*/ |
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|
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use Automattic\Jetpack\Assets; |
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|
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Assets::add_resource_hint( |
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array( |
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'//widgets.wp.com', |
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'//s0.wp.com', |
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'//0.gravatar.com', |
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'//1.gravatar.com', |
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'//2.gravatar.com', |
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), |
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'dns-prefetch' |
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); |
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|
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require_once __DIR__ . '/likes/jetpack-likes-master-iframe.php'; |
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require_once __DIR__ . '/likes/jetpack-likes-settings.php'; |
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|
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/** |
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* Jetpack Like Class |
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*/ |
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class Jetpack_Likes { |
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|
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/** |
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* Initialize class |
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*/ |
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public static function init() { |
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static $instance = null; |
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|
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if ( ! $instance ) { |
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$instance = new Jetpack_Likes(); |
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} |
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|
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return $instance; |
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} |
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|
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/** |
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* Constructs Likes class |
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*/ |
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public function __construct() { |
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$this->in_jetpack = ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ? false : true; |
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$this->settings = new Jetpack_Likes_Settings(); |
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|
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// We need to run on wp hook rather than init because we check is_amp_endpoint() |
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// when bootstrapping hooks. |
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add_action( 'wp', array( $this, 'action_init' ), 99 ); |
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|
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add_action( 'admin_init', array( $this, 'admin_init' ) ); |
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|
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if ( $this->in_jetpack ) { |
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add_action( 'jetpack_activate_module_likes', array( $this, 'set_social_notifications_like' ) ); |
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add_action( 'jetpack_deactivate_module_likes', array( $this, 'delete_social_notifications_like' ) ); |
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|
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Jetpack::enable_module_configurable( __FILE__ ); |
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add_filter( 'jetpack_module_configuration_url_likes', array( $this, 'jetpack_likes_configuration_url' ) ); |
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add_action( 'admin_print_scripts-settings_page_sharing', array( $this, 'load_jp_css' ) ); |
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add_filter( 'sharing_show_buttons_on_row_start', array( $this, 'configuration_target_area' ) ); |
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|
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$active = Jetpack::get_active_modules(); |
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|
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if ( ! in_array( 'sharedaddy', $active, true ) && ! in_array( 'publicize', $active, true ) ) { |
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// we don't have a sharing page yet. |
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add_action( 'admin_menu', array( $this->settings, 'sharing_menu' ) ); |
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} |
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|
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if ( in_array( 'publicize', $active, true ) && ! in_array( 'sharedaddy', $active, true ) ) { |
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// we have a sharing page but not the global options area. |
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add_action( 'pre_admin_screen_sharing', array( $this->settings, 'sharing_block' ), 20 ); |
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add_action( 'pre_admin_screen_sharing', array( $this->settings, 'updated_message' ), -10 ); |
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} |
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|
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if ( ! in_array( 'sharedaddy', $active, true ) ) { |
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add_action( 'admin_init', array( $this->settings, 'process_update_requests_if_sharedaddy_not_loaded' ) ); |
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add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_showbuttonon_init' ), 19 ); |
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add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_showbuttonon_callback' ), 19 ); |
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add_action( 'admin_init', array( $this->settings, 'add_meta_box' ) ); |
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} else { |
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add_filter( 'sharing_meta_box_title', array( $this->settings, 'add_likes_to_sharing_meta_box_title' ) ); |
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add_action( 'start_sharing_meta_box_content', array( $this->settings, 'meta_box_content' ) ); |
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} |
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} else { // wpcom. |
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add_action( 'wpmu_new_blog', array( $this, 'enable_comment_likes' ), 10, 1 ); |
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add_action( 'admin_init', array( $this->settings, 'add_meta_box' ) ); |
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add_action( 'end_likes_meta_box_content', array( $this->settings, 'sharing_meta_box_content' ) ); |
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add_filter( 'likes_meta_box_title', array( $this->settings, 'add_likes_to_sharing_meta_box_title' ) ); |
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} |
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|
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add_action( 'admin_init', array( $this, 'admin_discussion_likes_settings_init' ) ); // Likes notifications. |
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|
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add_action( 'admin_bar_menu', array( $this, 'admin_bar_likes' ), 60 ); |
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|
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add_action( 'wp_enqueue_scripts', array( $this, 'load_styles_register_scripts' ) ); |
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|
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add_action( 'save_post', array( $this->settings, 'meta_box_save' ) ); |
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add_action( 'edit_attachment', array( $this->settings, 'meta_box_save' ) ); |
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add_action( 'sharing_global_options', array( $this->settings, 'admin_settings_init' ), 20 ); |
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add_action( 'sharing_admin_update', array( $this->settings, 'admin_settings_callback' ), 20 ); |
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} |
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|
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/** |
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* Set the social_notifications_like option to `on` when the Likes module is activated. |
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* |
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* @since 3.7.0 |
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*/ |
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public function set_social_notifications_like() { |
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update_option( 'social_notifications_like', 'on' ); |
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} |
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|
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/** |
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* Delete the social_notifications_like option that was set to `on` on module activation. |
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* |
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* @since 3.7.0 |
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*/ |
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public function delete_social_notifications_like() { |
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delete_option( 'social_notifications_like' ); |
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} |
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|
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/** |
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* Overrides default configuration url |
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* |
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* @uses admin_url |
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* @return string module settings URL |
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*/ |
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public function jetpack_likes_configuration_url() { |
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return admin_url( 'options-general.php?page=sharing#likes' ); |
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} |
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|
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/** |
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* Loads Jetpack's CSS on the sharing page so we can use .jetpack-targetable |
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*/ |
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public function load_jp_css() { |
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/** |
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* Do we really need `admin_styles`? With the new admin UI, it's breaking some bits. |
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* Jetpack::init()->admin_styles(); |
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*/ |
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} |
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|
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/** |
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* Load scripts and styles for front end. |
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*/ |
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public function load_styles_register_scripts() { |
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if ( $this->in_jetpack ) { |
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wp_enqueue_style( 'jetpack_likes', plugins_url( 'likes/style.css', __FILE__ ), array(), JETPACK__VERSION ); |
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$this->register_scripts(); |
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} |
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} |
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|
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/** |
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* Stub for is_post_likeable, since some wpcom functions call this directly on the class |
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* Are likes enabled for this post? |
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* |
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* @param int $post_id id of the post. |
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* @return bool |
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*/ |
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public static function is_post_likeable( $post_id = 0 ) { |
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_deprecated_function( __METHOD__, 'jetpack-5.4', 'Jetpack_Likes_Settings()->is_post_likeable' ); |
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$settings = new Jetpack_Likes_Settings(); |
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return $settings->is_post_likeable( $post_id ); |
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} |
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|
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/** |
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* Stub for is_likes_visible, since some themes were calling it directly from this class |
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* |
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* @deprecated 5.4 |
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* @return bool |
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*/ |
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public function is_likes_visible() { |
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_deprecated_function( __METHOD__, 'jetpack-5.4', 'Jetpack_Likes_Settings()->is_likes_visible' ); |
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|
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$settings = new Jetpack_Likes_Settings(); |
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return $settings->is_likes_visible(); |
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} |
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|
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/** |
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* Adds in the jetpack-targetable class so when we visit sharing#likes our like settings get highlighted by a yellow box |
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* |
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* @param string $html row heading for the sharedaddy "which page" setting. |
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* @return string $html with the jetpack-targetable class and likes id. tbody gets closed after the like settings |
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*/ |
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public function configuration_target_area( $html = '' ) { |
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$html = "<tbody id='likes' class='jetpack-targetable'>" . $html; |
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return $html; |
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} |
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|
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/** |
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* Options to be added to the discussion page (see also admin_settings_init, etc below for Sharing settings page) |
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*/ |
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public function admin_discussion_likes_settings_init() { |
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// Add a temporary section, until we can move the setting out of there and with the rest of the email notification settings. |
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add_settings_section( 'likes-notifications', __( 'Likes Notifications', 'jetpack' ), array( $this, 'admin_discussion_likes_settings_section' ), 'discussion' ); |
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add_settings_field( 'social-notifications', __( 'Email me whenever', 'jetpack' ), array( $this, 'admin_discussion_likes_settings_field' ), 'discussion', 'likes-notifications' ); |
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// Register the setting. |
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register_setting( 'discussion', 'social_notifications_like', array( $this, 'admin_discussion_likes_settings_validate' ) ); |
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} |
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|
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/** Add email notification options to WordPress discussion settings */ |
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public function admin_discussion_likes_settings_section() { |
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// Atypical usage here. We emit jquery to move likes notification checkbox to be with the rest of the email notification settings. |
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?> |
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<script type="text/javascript"> |
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jQuery( function( $ ) { |
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var table = $( '#social_notifications_like' ).parents( 'table:first' ), |
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header = table.prevAll( 'h2:first' ), |
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newParent = $( '#moderation_notify' ).parent( 'label' ).parent(); |
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|
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if ( !table.length || !header.length || !newParent.length ) { |
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return; |
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} |
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|
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newParent.append( '<br/>' ).append( table.end().parent( 'label' ).siblings().andSelf() ); |
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header.remove(); |
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table.remove(); |
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} ); |
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</script> |
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<?php |
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} |
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|
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/** Check if email notifications for likes is on or off. |
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* |
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* @param string $option - which option we're checking (social_notifications_like). |
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*/ |
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public function admin_likes_get_option( $option ) { |
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if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
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$option_setting = get_blog_option( get_current_blog_id(), $option, 'on' ); |
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} else { |
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$option_setting = get_option( $option, 'on' ); |
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} |
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|
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return (int) ( 'on' === $option_setting ); |
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} |
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|
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/** Display email notification for likes setting in WordPress' discussion settings. */ |
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public function admin_discussion_likes_settings_field() { |
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$like = $this->admin_likes_get_option( 'social_notifications_like' ); |
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?> |
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<label><input type="checkbox" id="social_notifications_like" name="social_notifications_like" value="1" <?php checked( $like ); ?> /> <?php esc_html_e( 'Someone likes one of my posts', 'jetpack' ); ?></label> |
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<?php |
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} |
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|
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/** |
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* Validate email notification settings. |
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* |
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* @param string $input - determines if checbox is on or off. |
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*/ |
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public function admin_discussion_likes_settings_validate( $input ) { |
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// If it's not set (was unchecked during form submission) or was set to off (during option update), return 'off'. |
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if ( ! $input || 'off' === $input ) { |
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return 'off'; |
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} |
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// Otherwise return 'on'. |
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return 'on'; |
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} |
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|
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/** Initialize admin settings */ |
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public function admin_init() { |
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add_filter( 'manage_posts_columns', array( $this, 'add_like_count_column' ) ); |
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add_filter( 'manage_pages_columns', array( $this, 'add_like_count_column' ) ); |
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add_action( 'manage_posts_custom_column', array( $this, 'likes_edit_column' ), 10, 2 ); |
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add_action( 'manage_pages_custom_column', array( $this, 'likes_edit_column' ), 10, 2 ); |
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add_action( 'admin_print_styles-edit.php', array( $this, 'load_admin_css' ) ); |
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add_action( 'admin_print_scripts-edit.php', array( $this, 'enqueue_admin_scripts' ) ); |
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} |
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|
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/** Initialize action */ |
| 278 |
public function action_init() { |
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if ( is_admin() || ! $this->settings->is_likes_visible() ) { |
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return; |
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} |
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|
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if ( ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) || |
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( defined( 'APP_REQUEST' ) && APP_REQUEST ) || |
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( defined( 'REST_API_REQUEST' ) && REST_API_REQUEST ) || |
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( defined( 'COOKIE_AUTH_REQUEST' ) && COOKIE_AUTH_REQUEST ) || |
| 287 |
( defined( 'JABBER_SERVER' ) && JABBER_SERVER ) ) { |
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return; |
| 289 |
} |
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|
| 291 |
if ( |
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class_exists( 'Jetpack_AMP_Support' ) |
| 293 |
&& Jetpack_AMP_Support::is_amp_request() |
| 294 |
) { |
| 295 |
return; |
| 296 |
} |
| 297 |
|
| 298 |
if ( $this->in_jetpack ) { |
| 299 |
add_filter( 'the_content', array( $this, 'post_likes' ), 30, 1 ); |
| 300 |
add_filter( 'the_excerpt', array( $this, 'post_likes' ), 30, 1 ); |
| 301 |
|
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} else { |
| 303 |
add_filter( 'post_flair', array( $this, 'post_likes' ), 30, 1 ); |
| 304 |
add_filter( 'post_flair_block_css', array( $this, 'post_flair_service_enabled_like' ) ); |
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|
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wp_enqueue_script( 'postmessage', '/wp-content/js/postmessage.js', array(), JETPACK__VERSION, true ); |
| 307 |
wp_enqueue_script( 'jetpack_resize', '/wp-content/js/jquery/jquery.jetpack-resize.js', array( 'jquery' ), JETPACK__VERSION, true ); |
| 308 |
wp_enqueue_script( 'jetpack_likes_queuehandler', plugins_url( 'queuehandler.js', __FILE__ ), array( 'jquery', 'postmessage', 'jetpack_resize' ), JETPACK__VERSION, true ); |
| 309 |
wp_enqueue_style( 'jetpack_likes', plugins_url( 'jetpack-likes.css', __FILE__ ), array(), JETPACK__VERSION ); |
| 310 |
} |
| 311 |
} |
| 312 |
|
| 313 |
/** |
| 314 |
* Register scripts. |
| 315 |
*/ |
| 316 |
public function register_scripts() { |
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wp_register_script( |
| 318 |
'postmessage', |
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Assets::get_file_url_for_environment( '_inc/build/postmessage.min.js', '_inc/postmessage.js' ), |
| 320 |
array(), |
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JETPACK__VERSION, |
| 322 |
true |
| 323 |
); |
| 324 |
wp_register_script( |
| 325 |
'jetpack_resize', |
| 326 |
Assets::get_file_url_for_environment( |
| 327 |
'_inc/build/jquery.jetpack-resize.min.js', |
| 328 |
'_inc/jquery.jetpack-resize.js' |
| 329 |
), |
| 330 |
array( 'jquery' ), |
| 331 |
JETPACK__VERSION, |
| 332 |
true |
| 333 |
); |
| 334 |
wp_register_script( |
| 335 |
'jetpack_likes_queuehandler', |
| 336 |
Assets::get_file_url_for_environment( |
| 337 |
'_inc/build/likes/queuehandler.min.js', |
| 338 |
'modules/likes/queuehandler.js' |
| 339 |
), |
| 340 |
array( 'jquery', 'postmessage', 'jetpack_resize' ), |
| 341 |
JETPACK__VERSION, |
| 342 |
true |
| 343 |
); |
| 344 |
} |
| 345 |
|
| 346 |
/** |
| 347 |
* Load the CSS needed for the wp-admin area. |
| 348 |
*/ |
| 349 |
public function load_admin_css() { |
| 350 |
?> |
| 351 |
<style type="text/css"> |
| 352 |
.vers img { display: none; } |
| 353 |
.metabox-prefs .vers img { display: inline; } |
| 354 |
.fixed .column-likes { width: 5.5em; padding: 8px 0; text-align: left; } |
| 355 |
.fixed .column-stats { width: 5em; } |
| 356 |
.fixed .column-likes .post-com-count { |
| 357 |
-webkit-box-sizing: border-box; |
| 358 |
-moz-box-sizing: border-box; |
| 359 |
box-sizing: border-box; |
| 360 |
display: inline-block; |
| 361 |
padding: 0 8px; |
| 362 |
height: 2em; |
| 363 |
margin-top: 5px; |
| 364 |
-webkit-border-radius: 5px; |
| 365 |
border-radius: 5px; |
| 366 |
background-color: #787c82; |
| 367 |
color: #FFF; |
| 368 |
font-size: 11px; |
| 369 |
line-height: 21px; |
| 370 |
} |
| 371 |
.fixed .column-likes .post-com-count::after { border: none !important; } |
| 372 |
.fixed .column-likes .post-com-count:hover { background-color: #2271b1; } |
| 373 |
.fixed .column-likes .vers:before { |
| 374 |
font: normal 20px/1 dashicons; |
| 375 |
content: '\f155'; |
| 376 |
speak: none; |
| 377 |
-webkit-font-smoothing: antialiased; |
| 378 |
-moz-osx-font-smoothing: grayscale; |
| 379 |
} |
| 380 |
@media screen and (max-width: 782px) { |
| 381 |
.fixed .column-likes { |
| 382 |
display: none; |
| 383 |
} |
| 384 |
} |
| 385 |
</style> |
| 386 |
<?php |
| 387 |
} |
| 388 |
|
| 389 |
/** |
| 390 |
* Load the JS required for loading the like counts. |
| 391 |
*/ |
| 392 |
public function enqueue_admin_scripts() { |
| 393 |
if ( empty( $_GET['post_type'] ) || 'post' === $_GET['post_type'] || 'page' === $_GET['post_type'] ) { //phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 394 |
if ( $this->in_jetpack ) { |
| 395 |
wp_enqueue_script( |
| 396 |
'likes-post-count', |
| 397 |
Assets::get_file_url_for_environment( |
| 398 |
'_inc/build/likes/post-count.min.js', |
| 399 |
'modules/likes/post-count.js' |
| 400 |
), |
| 401 |
array( 'jquery' ), |
| 402 |
JETPACK__VERSION, |
| 403 |
$in_footer = false |
| 404 |
); |
| 405 |
wp_enqueue_script( |
| 406 |
'likes-post-count-jetpack', |
| 407 |
Assets::get_file_url_for_environment( |
| 408 |
'_inc/build/likes/post-count-jetpack.min.js', |
| 409 |
'modules/likes/post-count-jetpack.js' |
| 410 |
), |
| 411 |
array( 'likes-post-count' ), |
| 412 |
JETPACK__VERSION, |
| 413 |
$in_footer = false |
| 414 |
); |
| 415 |
} else { |
| 416 |
wp_enqueue_script( 'jquery.wpcom-proxy-request', '/wp-content/js/jquery/jquery.wpcom-proxy-request.js', array( 'jquery' ), JETPACK__VERSION, true ); |
| 417 |
wp_enqueue_script( 'likes-post-count', plugins_url( 'likes/post-count.js', __DIR__ ), array( 'jquery' ), JETPACK__VERSION, $in_footer = false ); |
| 418 |
wp_enqueue_script( 'likes-post-count-wpcom', plugins_url( 'likes/post-count-wpcom.js', __DIR__ ), array( 'likes-post-count', 'jquery.wpcom-proxy-request' ), JETPACK__VERSION, $in_footer = false ); |
| 419 |
} |
| 420 |
} |
| 421 |
} |
| 422 |
|
| 423 |
/** |
| 424 |
* Add "Likes" column data to the post edit table in wp-admin. |
| 425 |
* |
| 426 |
* @param string $column_name - name of the column. |
| 427 |
* @param int $post_id - the post id. |
| 428 |
*/ |
| 429 |
public function likes_edit_column( $column_name, $post_id ) { |
| 430 |
if ( 'likes' === $column_name ) { |
| 431 |
|
| 432 |
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
| 433 |
$blog_id = get_current_blog_id(); |
| 434 |
} else { |
| 435 |
$blog_id = Jetpack_Options::get_option( 'id' ); |
| 436 |
} |
| 437 |
|
| 438 |
$permalink = get_permalink( get_the_ID() ); |
| 439 |
?> |
| 440 |
<a title="" data-post-id="<?php echo (int) $post_id; ?>" class="post-com-count post-like-count" id="post-like-count-<?php echo (int) $post_id; ?>" data-blog-id="<?php echo (int) $blog_id; ?>" href="<?php echo esc_url( $permalink ); ?>#like-<?php echo (int) $post_id; ?>"> |
| 441 |
<span class="comment-count">0</span> |
| 442 |
</a> |
| 443 |
<?php |
| 444 |
} |
| 445 |
} |
| 446 |
|
| 447 |
/** |
| 448 |
* Add a "Likes" column header to the post edit table in wp-admin. |
| 449 |
* |
| 450 |
* @param array $columns - array of columns in wp-admin. |
| 451 |
*/ |
| 452 |
public function add_like_count_column( $columns ) { |
| 453 |
$date = $columns['date']; |
| 454 |
unset( $columns['date'] ); |
| 455 |
|
| 456 |
$columns['likes'] = '<span class="vers"><img title="' . esc_attr__( 'Likes', 'jetpack' ) . '" alt="' . esc_attr__( 'Likes', 'jetpack' ) . '" src="//s0.wordpress.com/i/like-grey-icon.png" /><span class="screen-reader-text">' . __( 'Likes', 'jetpack' ) . '</span></span>'; |
| 457 |
$columns['date'] = $date; |
| 458 |
|
| 459 |
return $columns; |
| 460 |
} |
| 461 |
|
| 462 |
/** |
| 463 |
* Append like button to content. |
| 464 |
* |
| 465 |
* @param string $content - content of the page. |
| 466 |
*/ |
| 467 |
public function post_likes( $content ) { |
| 468 |
$post_id = get_the_ID(); |
| 469 |
|
| 470 |
if ( ! is_numeric( $post_id ) || ! $this->settings->is_likes_visible() ) { |
| 471 |
return $content; |
| 472 |
} |
| 473 |
|
| 474 |
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
| 475 |
$blog_id = get_current_blog_id(); |
| 476 |
$bloginfo = get_blog_details( (int) $blog_id ); |
| 477 |
$domain = $bloginfo->domain; |
| 478 |
} else { |
| 479 |
$blog_id = Jetpack_Options::get_option( 'id' ); |
| 480 |
$url = home_url(); |
| 481 |
$url_parts = wp_parse_url( $url ); |
| 482 |
$domain = $url_parts['host']; |
| 483 |
} |
| 484 |
// Make sure to include the scripts before the iframe otherwise weird things happen. |
| 485 |
add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 ); |
| 486 |
|
| 487 |
/** |
| 488 |
* If the same post appears more then once on a page the page goes crazy |
| 489 |
* we need a slightly more unique id / name for the widget wrapper. |
| 490 |
*/ |
| 491 |
$uniqid = uniqid(); |
| 492 |
|
| 493 |
$src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%1$d&post_id=%2$d&origin=%3$s&obj_id=%1$d-%2$d-%4$s', $blog_id, $post_id, $domain, $uniqid ); |
| 494 |
$name = sprintf( 'like-post-frame-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid ); |
| 495 |
$wrapper = sprintf( 'like-post-wrapper-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid ); |
| 496 |
$headline = sprintf( |
| 497 |
/** This filter is already documented in modules/sharedaddy/sharing-service.php */ |
| 498 |
apply_filters( 'jetpack_sharing_headline_html', '<h3 class="sd-title">%s</h3>', esc_html__( 'Like this:', 'jetpack' ), 'likes' ), |
| 499 |
esc_html__( 'Like this:', 'jetpack' ) |
| 500 |
); |
| 501 |
|
| 502 |
$html = "<div class='sharedaddy sd-block sd-like jetpack-likes-widget-wrapper jetpack-likes-widget-unloaded' id='$wrapper' data-src='$src' data-name='$name'>"; |
| 503 |
$html .= $headline; |
| 504 |
$html .= "<div class='likes-widget-placeholder post-likes-widget-placeholder' style='height: 55px;'><span class='button'><span>" . esc_html__( 'Like', 'jetpack' ) . '</span></span> <span class="loading">' . esc_html__( 'Loading...', 'jetpack' ) . '</span></div>'; |
| 505 |
$html .= "<span class='sd-text-color'></span><a class='sd-link-color'></a>"; |
| 506 |
$html .= '</div>'; |
| 507 |
|
| 508 |
// Let's make sure that the script is enqueued. |
| 509 |
wp_enqueue_script( 'jetpack_likes_queuehandler' ); |
| 510 |
|
| 511 |
return $content . $html; |
| 512 |
} |
| 513 |
|
| 514 |
/** |
| 515 |
* Adds sd-like-enabled CSS class |
| 516 |
* |
| 517 |
* @param array $classes CSS class for post flair. |
| 518 |
*/ |
| 519 |
public function post_flair_service_enabled_like( $classes ) { |
| 520 |
$classes[] = 'sd-like-enabled'; |
| 521 |
return $classes; |
| 522 |
} |
| 523 |
|
| 524 |
/** Checks if admin bar is visible.*/ |
| 525 |
public function is_admin_bar_button_visible() { |
| 526 |
global $wp_admin_bar; |
| 527 |
|
| 528 |
if ( ! is_object( $wp_admin_bar ) ) { |
| 529 |
return false; |
| 530 |
} |
| 531 |
|
| 532 |
if ( ( ! is_singular( 'post' ) && ! is_attachment() && ! is_page() ) ) { |
| 533 |
return false; |
| 534 |
} |
| 535 |
|
| 536 |
if ( ! $this->settings->is_likes_visible() ) { |
| 537 |
return false; |
| 538 |
} |
| 539 |
|
| 540 |
if ( ! $this->settings->is_post_likeable() ) { |
| 541 |
return false; |
| 542 |
} |
| 543 |
|
| 544 |
/** |
| 545 |
* Filters whether the Like button is enabled in the admin bar. |
| 546 |
* |
| 547 |
* @module likes |
| 548 |
* |
| 549 |
* @since 2.2.0 |
| 550 |
* |
| 551 |
* @param bool true Should the Like button be visible in the Admin bar. Default to true. |
| 552 |
*/ |
| 553 |
return (bool) apply_filters( 'jetpack_admin_bar_likes_enabled', true ); |
| 554 |
} |
| 555 |
|
| 556 |
/** Adds like section in admin bar. */ |
| 557 |
public function admin_bar_likes() { |
| 558 |
global $wp_admin_bar; |
| 559 |
|
| 560 |
$post_id = get_the_ID(); |
| 561 |
|
| 562 |
if ( ! is_numeric( $post_id ) || ! $this->is_admin_bar_button_visible() ) { |
| 563 |
return; |
| 564 |
} |
| 565 |
|
| 566 |
$protocol = 'http'; |
| 567 |
if ( is_ssl() ) { |
| 568 |
$protocol = 'https'; |
| 569 |
} |
| 570 |
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
| 571 |
$blog_id = get_current_blog_id(); |
| 572 |
$bloginfo = get_blog_details( (int) $blog_id ); |
| 573 |
$domain = $bloginfo->domain; |
| 574 |
} else { |
| 575 |
$blog_id = Jetpack_Options::get_option( 'id' ); |
| 576 |
$url = home_url(); |
| 577 |
$url_parts = wp_parse_url( $url ); |
| 578 |
$domain = $url_parts['host']; |
| 579 |
} |
| 580 |
// Make sure to include the scripts before the iframe otherwise weird things happen. |
| 581 |
add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 ); |
| 582 |
|
| 583 |
$src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%2$d&post_id=%3$d&origin=%1$s://%4$s', $protocol, $blog_id, $post_id, $domain ); |
| 584 |
|
| 585 |
$html = "<iframe class='admin-bar-likes-widget jetpack-likes-widget' scrolling='no' frameBorder='0' name='admin-bar-likes-widget' src='$src'></iframe>"; |
| 586 |
|
| 587 |
$node = array( |
| 588 |
'id' => 'admin-bar-likes-widget', |
| 589 |
'meta' => array( |
| 590 |
'html' => $html, |
| 591 |
), |
| 592 |
); |
| 593 |
|
| 594 |
$wp_admin_bar->add_node( $node ); |
| 595 |
} |
| 596 |
} |
| 597 |
|
| 598 |
/** |
| 599 |
* Callback to get the value for the jetpack_likes_enabled field. |
| 600 |
* |
| 601 |
* Warning: this behavior is somewhat complicated! |
| 602 |
* When the switch_like_status post_meta is unset, we follow the global setting in Sharing. |
| 603 |
* When it is set to 0, we disable likes on the post, regardless of the global setting. |
| 604 |
* When it is set to 1, we enable likes on the post, regardless of the global setting. |
| 605 |
* |
| 606 |
* @param array $post - post data we're checking. |
| 607 |
*/ |
| 608 |
function jetpack_post_likes_get_value( array $post ) { |
| 609 |
$post_likes_switched = get_post_meta( $post['id'], 'switch_like_status', true ); |
| 610 |
|
| 611 |
/** This filter is documented in modules/jetpack-likes-settings.php */ |
| 612 |
$sitewide_likes_enabled = (bool) apply_filters( 'wpl_is_enabled_sitewide', ! get_option( 'disabled_likes' ) ); |
| 613 |
|
| 614 |
// An empty string: post meta was not set, so go with the global setting. |
| 615 |
if ( '' === $post_likes_switched ) { |
| 616 |
return $sitewide_likes_enabled; |
| 617 |
} elseif ( '0' === $post_likes_switched ) { // User overrode the global setting to disable likes. |
| 618 |
return false; |
| 619 |
} elseif ( '1' === $post_likes_switched ) { // User overrode the global setting to enable likes. |
| 620 |
return true; |
| 621 |
} |
| 622 |
// No default fallback, let's stay explicit. |
| 623 |
} |
| 624 |
|
| 625 |
/** |
| 626 |
* Callback to set switch_like_status post_meta when jetpack_likes_enabled is updated. |
| 627 |
* |
| 628 |
* Warning: this behavior is somewhat complicated! |
| 629 |
* When the switch_like_status post_meta is unset, we follow the global setting in Sharing. |
| 630 |
* When it is set to 0, we disable likes on the post, regardless of the global setting. |
| 631 |
* When it is set to 1, we enable likes on the post, regardless of the global setting. |
| 632 |
* |
| 633 |
* @param bool $enable_post_likes - checks if post likes are enabled. |
| 634 |
* @param object $post_object - object containing post data. |
| 635 |
*/ |
| 636 |
function jetpack_post_likes_update_value( $enable_post_likes, $post_object ) { |
| 637 |
/** This filter is documented in modules/jetpack-likes-settings.php */ |
| 638 |
$sitewide_likes_enabled = (bool) apply_filters( 'wpl_is_enabled_sitewide', ! get_option( 'disabled_likes' ) ); |
| 639 |
|
| 640 |
$should_switch_status = $enable_post_likes !== $sitewide_likes_enabled; |
| 641 |
|
| 642 |
if ( $should_switch_status ) { |
| 643 |
// Set the meta to 0 if the user wants to disable likes, 1 if user wants to enable. |
| 644 |
$switch_like_status = ( $enable_post_likes ? 1 : 0 ); |
| 645 |
return update_post_meta( $post_object->ID, 'switch_like_status', $switch_like_status ); |
| 646 |
} else { |
| 647 |
// Unset the meta otherwise. |
| 648 |
return delete_post_meta( $post_object->ID, 'switch_like_status' ); |
| 649 |
} |
| 650 |
} |
| 651 |
|
| 652 |
/** |
| 653 |
* Add Likes post_meta to the REST API Post response. |
| 654 |
* |
| 655 |
* @action rest_api_init |
| 656 |
* @uses register_rest_field |
| 657 |
* @link https://developer.wordpress.org/rest-api/extending-the-rest-api/modifying-responses/ |
| 658 |
*/ |
| 659 |
function jetpack_post_likes_register_rest_field() { |
| 660 |
$post_types = get_post_types( array( 'public' => true ) ); |
| 661 |
foreach ( $post_types as $post_type ) { |
| 662 |
register_rest_field( |
| 663 |
$post_type, |
| 664 |
'jetpack_likes_enabled', |
| 665 |
array( |
| 666 |
'get_callback' => 'jetpack_post_likes_get_value', |
| 667 |
'update_callback' => 'jetpack_post_likes_update_value', |
| 668 |
'schema' => array( |
| 669 |
'description' => __( 'Are Likes enabled?', 'jetpack' ), |
| 670 |
'type' => 'boolean', |
| 671 |
), |
| 672 |
) |
| 673 |
); |
| 674 |
|
| 675 |
/** |
| 676 |
* Ensures all public internal post-types support `likes` |
| 677 |
* This feature support flag is used by the REST API and Gutenberg. |
| 678 |
*/ |
| 679 |
add_post_type_support( $post_type, 'jetpack-post-likes' ); |
| 680 |
} |
| 681 |
} |
| 682 |
|
| 683 |
// Add Likes post_meta to the REST API Post response. |
| 684 |
add_action( 'rest_api_init', 'jetpack_post_likes_register_rest_field' ); |
| 685 |
|
| 686 |
// Some CPTs (e.g. Jetpack portfolios and testimonials) get registered with |
| 687 |
// restapi_theme_init because they depend on theme support, so let's also hook to that. |
| 688 |
add_action( 'restapi_theme_init', 'jetpack_post_likes_register_rest_field', 20 ); |
| 689 |
|
| 690 |
/** |
| 691 |
* Set the Likes and Sharing Gutenberg extension availability. |
| 692 |
*/ |
| 693 |
function jetpack_post_likes_set_extension_availability() { |
| 694 |
Jetpack_Gutenberg::set_extension_available( 'likes' ); |
| 695 |
} |
| 696 |
|
| 697 |
add_action( 'jetpack_register_gutenberg_extensions', 'jetpack_post_likes_set_extension_availability' ); |
| 698 |
|
| 699 |
Jetpack_Likes::init(); |
| 700 |
|
