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<?php |
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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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Jetpack::dns_prefetch( 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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include_once dirname( __FILE__ ) . '/likes/jetpack-likes-master-iframe.php'; |
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include_once dirname( __FILE__ ) . '/likes/jetpack-likes-settings.php'; |
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class Jetpack_Likes { |
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public static function init() { |
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static $instance = NULL; |
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if ( ! $instance ) { |
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$instance = new Jetpack_Likes; |
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} |
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return $instance; |
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} |
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function __construct() { |
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$this->in_jetpack = ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ? false : true; |
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$this->settings = new Jetpack_Likes_Settings(); |
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add_action( 'init', array( &$this, 'action_init' ) ); |
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add_action( 'admin_init', array( $this, 'admin_init' ) ); |
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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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Jetpack::enable_module_configurable( __FILE__ ); |
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Jetpack::module_configuration_load( __FILE__, array( $this, 'configuration_redirect' ) ); |
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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( $this, 'configuration_target_area' ) ); |
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$active = Jetpack::get_active_modules(); |
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View Code Duplication |
if ( ! in_array( 'sharedaddy', $active ) && ! in_array( 'publicize', $active ) ) { |
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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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View Code Duplication |
if ( in_array( 'publicize', $active ) && ! in_array( 'sharedaddy', $active ) ) { |
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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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View Code Duplication |
if( ! in_array( 'sharedaddy', $active ) ) { |
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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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add_action( 'admin_init', array( $this, 'admin_discussion_likes_settings_init' ) ); // Likes notifications |
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add_action( 'admin_bar_menu', array( $this, 'admin_bar_likes' ), 60 ); |
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add_action( 'wp_enqueue_scripts', array( $this, 'load_styles_register_scripts' ) ); |
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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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* 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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* @return null |
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*/ |
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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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* 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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* @return null |
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*/ |
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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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* Redirects to the likes section of the sharing page. |
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*/ |
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function configuration_redirect() { |
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wp_safe_redirect( admin_url( 'options-general.php?page=sharing#likes' ) ); |
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die(); |
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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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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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* Loads Jetpack's CSS on the sharing page so we can use .jetpack-targetable |
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*/ |
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function load_jp_css() { |
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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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* Load scripts and styles for front end. |
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* @return null |
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*/ |
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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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* 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 |
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* @return bool |
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*/ |
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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 $settings->is_post_likeable(); |
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} |
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/** |
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* Stub for is_likes_visible, since some themes were calling it directly from this class |
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* |
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* @deprecated 5.4 |
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* @return bool |
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*/ |
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function is_likes_visible() { |
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_deprecated_function( __METHOD__, 'jetpack-5.4', 'Jetpack_Likes_Settings()->is_likes_visible' ); |
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$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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* 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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* @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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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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* 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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View Code Duplication |
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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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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if ( !table.length || !header.length || !newParent.length ) { |
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return; |
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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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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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return intval( 'on' == $option_setting ); |
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} |
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function admin_discussion_likes_settings_field() { |
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$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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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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// Otherwise, return 'on'. |
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return 'on'; |
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} |
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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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function action_init() { |
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if ( is_admin() ) { |
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return; |
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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 ) || |
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( defined( 'JABBER_SERVER' ) && JABBER_SERVER ) ) { |
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return; |
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} |
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if ( Jetpack_AMP_Support::is_amp_request() ) { |
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return; |
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} |
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if ( $this->in_jetpack ) { |
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add_filter( 'the_content', array( &$this, 'post_likes' ), 30, 1 ); |
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add_filter( 'the_excerpt', array( &$this, 'post_likes' ), 30, 1 ); |
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} else { |
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add_filter( 'post_flair', array( &$this, 'post_likes' ), 30, 1 ); |
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add_filter( 'post_flair_block_css', array( $this, 'post_flair_service_enabled_like' ) ); |
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wp_enqueue_script( 'postmessage', '/wp-content/js/postmessage.js', array( 'jquery' ), JETPACK__VERSION, false ); |
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wp_enqueue_script( 'jetpack_resize', '/wp-content/js/jquery/jquery.jetpack-resize.js', array( 'jquery' ), JETPACK__VERSION, false ); |
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wp_enqueue_script( 'jetpack_likes_queuehandler', plugins_url( 'queuehandler.js' , __FILE__ ), array( 'jquery', 'postmessage', 'jetpack_resize' ), JETPACK__VERSION, true ); |
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wp_enqueue_style( 'jetpack_likes', plugins_url( 'jetpack-likes.css', __FILE__ ), array(), JETPACK__VERSION ); |
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} |
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} |
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/** |
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* Register scripts |
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*/ |
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function register_scripts() { |
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wp_register_script( |
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'postmessage', |
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Jetpack::get_file_url_for_environment( '_inc/build/postmessage.min.js', '_inc/postmessage.js' ), |
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array( 'jquery' ), |
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JETPACK__VERSION, |
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false |
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); |
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wp_register_script( |
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'jetpack_resize', |
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Jetpack::get_file_url_for_environment( |
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'_inc/build/jquery.jetpack-resize.min.js', |
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'_inc/jquery.jetpack-resize.js' |
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), |
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array( 'jquery' ), |
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JETPACK__VERSION, |
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false |
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); |
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wp_register_script( |
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'jetpack_likes_queuehandler', |
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Jetpack::get_file_url_for_environment( |
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'_inc/build/likes/queuehandler.min.js', |
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'modules/likes/queuehandler.js' |
317
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|
|
), |
318
|
|
|
array( 'jquery', 'postmessage', 'jetpack_resize' ), |
319
|
|
|
JETPACK__VERSION, |
320
|
|
|
true |
321
|
|
|
); |
322
|
|
|
} |
323
|
|
|
|
324
|
|
|
/** |
325
|
|
|
* Load the CSS needed for the wp-admin area. |
326
|
|
|
*/ |
327
|
|
|
function load_admin_css() { |
328
|
|
|
?> |
329
|
|
|
<style type="text/css"> |
330
|
|
|
.vers img { display: none; } |
331
|
|
|
.metabox-prefs .vers img { display: inline; } |
332
|
|
|
.fixed .column-likes { width: 5.5em; padding: 8px 0; text-align: left; } |
333
|
|
|
.fixed .column-stats { width: 5em; } |
334
|
|
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.fixed .column-likes .post-com-count { |
335
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|
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-webkit-box-sizing: border-box; |
336
|
|
|
-moz-box-sizing: border-box; |
337
|
|
|
box-sizing: border-box; |
338
|
|
|
display: inline-block; |
339
|
|
|
padding: 0 8px; |
340
|
|
|
height: 2em; |
341
|
|
|
margin-top: 5px; |
342
|
|
|
-webkit-border-radius: 5px; |
343
|
|
|
border-radius: 5px; |
344
|
|
|
background-color: #72777C; |
345
|
|
|
color: #FFF; |
346
|
|
|
font-size: 11px; |
347
|
|
|
line-height: 21px; |
348
|
|
|
} |
349
|
|
|
.fixed .column-likes .post-com-count::after { border: none !important; } |
350
|
|
|
.fixed .column-likes .post-com-count:hover { background-color: #0073AA; } |
351
|
|
|
.fixed .column-likes .vers:before { |
352
|
|
|
font: normal 20px/1 dashicons; |
353
|
|
|
content: '\f155'; |
354
|
|
|
speak: none; |
355
|
|
|
-webkit-font-smoothing: antialiased; |
356
|
|
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-moz-osx-font-smoothing: grayscale; |
357
|
|
|
} |
358
|
|
|
@media screen and (max-width: 782px) { |
359
|
|
|
.fixed .column-likes { |
360
|
|
|
display: none; |
361
|
|
|
} |
362
|
|
|
} |
363
|
|
|
</style> |
364
|
|
|
<?php |
365
|
|
|
} |
366
|
|
|
|
367
|
|
|
/** |
368
|
|
|
* Load the JS required for loading the like counts. |
369
|
|
|
*/ |
370
|
|
|
function enqueue_admin_scripts() { |
371
|
|
|
if ( empty( $_GET['post_type'] ) || 'post' == $_GET['post_type'] || 'page' == $_GET['post_type'] ) { |
372
|
|
|
if ( $this->in_jetpack ) { |
373
|
|
|
wp_enqueue_script( |
374
|
|
|
'likes-post-count', |
375
|
|
|
Jetpack::get_file_url_for_environment( |
376
|
|
|
'_inc/build/likes/post-count.min.js', |
377
|
|
|
'modules/likes/post-count.js' |
378
|
|
|
), |
379
|
|
|
array( 'jquery' ), |
380
|
|
|
JETPACK__VERSION |
381
|
|
|
); |
382
|
|
|
wp_enqueue_script( |
383
|
|
|
'likes-post-count-jetpack', |
384
|
|
|
Jetpack::get_file_url_for_environment( |
385
|
|
|
'_inc/build/likes/post-count-jetpack.min.js', |
386
|
|
|
'modules/likes/post-count-jetpack.js' |
387
|
|
|
), |
388
|
|
|
array( 'likes-post-count' ), |
389
|
|
|
JETPACK__VERSION |
390
|
|
|
); |
391
|
|
|
} else { |
392
|
|
|
wp_enqueue_script( 'jquery.wpcom-proxy-request', "/wp-content/js/jquery/jquery.wpcom-proxy-request.js", array('jquery'), NULL, true ); |
393
|
|
|
wp_enqueue_script( 'likes-post-count', plugins_url( 'likes/post-count.js', dirname( __FILE__ ) ), array( 'jquery' ), JETPACK__VERSION ); |
394
|
|
|
wp_enqueue_script( 'likes-post-count-wpcom', plugins_url( 'likes/post-count-wpcom.js', dirname( __FILE__ ) ), array( 'likes-post-count', 'jquery.wpcom-proxy-request' ), JETPACK__VERSION ); |
395
|
|
|
} |
396
|
|
|
} |
397
|
|
|
} |
398
|
|
|
|
399
|
|
|
/** |
400
|
|
|
* Add "Likes" column data to the post edit table in wp-admin. |
401
|
|
|
* |
402
|
|
|
* @param string $column_name |
403
|
|
|
* @param int $post_id |
404
|
|
|
*/ |
405
|
|
|
function likes_edit_column( $column_name, $post_id ) { |
406
|
|
|
if ( 'likes' == $column_name ) { |
407
|
|
|
|
408
|
|
|
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
409
|
|
|
$blog_id = get_current_blog_id(); |
410
|
|
|
} else { |
411
|
|
|
$blog_id = Jetpack_Options::get_option( 'id' ); |
412
|
|
|
} |
413
|
|
|
|
414
|
|
|
$permalink = get_permalink( get_the_ID() ); ?> |
415
|
|
|
<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; ?>"> |
416
|
|
|
<span class="comment-count">0</span> |
417
|
|
|
</a> |
418
|
|
|
<?php |
419
|
|
|
} |
420
|
|
|
} |
421
|
|
|
|
422
|
|
|
/** |
423
|
|
|
* Add a "Likes" column header to the post edit table in wp-admin. |
424
|
|
|
* |
425
|
|
|
* @param array $columns |
426
|
|
|
* @return array |
427
|
|
|
*/ |
428
|
|
|
function add_like_count_column( $columns ) { |
429
|
|
|
$date = $columns['date']; |
430
|
|
|
unset( $columns['date'] ); |
431
|
|
|
|
432
|
|
|
$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>'; |
433
|
|
|
$columns['date'] = $date; |
434
|
|
|
|
435
|
|
|
return $columns; |
436
|
|
|
} |
437
|
|
|
|
438
|
|
|
function post_likes( $content ) { |
439
|
|
|
$post_id = get_the_ID(); |
440
|
|
|
|
441
|
|
|
if ( ! is_numeric( $post_id ) || ! $this->settings->is_likes_visible() ) |
442
|
|
|
return $content; |
443
|
|
|
|
444
|
|
View Code Duplication |
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
445
|
|
|
$blog_id = get_current_blog_id(); |
446
|
|
|
$bloginfo = get_blog_details( (int) $blog_id ); |
447
|
|
|
$domain = $bloginfo->domain; |
448
|
|
|
} else { |
449
|
|
|
$blog_id = Jetpack_Options::get_option( 'id' ); |
450
|
|
|
$url = home_url(); |
451
|
|
|
$url_parts = parse_url( $url ); |
452
|
|
|
$domain = $url_parts['host']; |
453
|
|
|
} |
454
|
|
|
// make sure to include the scripts before the iframe otherwise weird things happen |
455
|
|
|
add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 ); |
456
|
|
|
|
457
|
|
|
/** |
458
|
|
|
* if the same post appears more then once on a page the page goes crazy |
459
|
|
|
* we need a slightly more unique id / name for the widget wrapper. |
460
|
|
|
*/ |
461
|
|
|
$uniqid = uniqid(); |
462
|
|
|
|
463
|
|
|
$src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%1$d&post_id=%2$d&origin=%3$s&obj_id=%1$d-%2$d-%4$s', $blog_id, $post_id, $domain, $uniqid ); |
464
|
|
|
$name = sprintf( 'like-post-frame-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid ); |
465
|
|
|
$wrapper = sprintf( 'like-post-wrapper-%1$d-%2$d-%3$s', $blog_id, $post_id, $uniqid ); |
466
|
|
|
$headline = sprintf( |
467
|
|
|
/** This filter is already documented in modules/sharedaddy/sharing-service.php */ |
468
|
|
|
apply_filters( 'jetpack_sharing_headline_html', '<h3 class="sd-title">%s</h3>', esc_html__( 'Like this:', 'jetpack' ), 'likes' ), |
469
|
|
|
esc_html__( 'Like this:', 'jetpack' ) |
470
|
|
|
); |
471
|
|
|
|
472
|
|
|
$html = "<div class='sharedaddy sd-block sd-like jetpack-likes-widget-wrapper jetpack-likes-widget-unloaded' id='$wrapper' data-src='$src' data-name='$name'>"; |
473
|
|
|
$html .= $headline; |
474
|
|
|
$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>'; |
475
|
|
|
$html .= "<span class='sd-text-color'></span><a class='sd-link-color'></a>"; |
476
|
|
|
$html .= '</div>'; |
477
|
|
|
|
478
|
|
|
// Let's make sure that the script is enqueued |
479
|
|
|
wp_enqueue_script( 'jetpack_likes_queuehandler' ); |
480
|
|
|
|
481
|
|
|
return $content . $html; |
482
|
|
|
} |
483
|
|
|
|
484
|
|
|
function post_flair_service_enabled_like( $classes ) { |
485
|
|
|
$classes[] = 'sd-like-enabled'; |
486
|
|
|
return $classes; |
487
|
|
|
} |
488
|
|
|
|
489
|
|
|
function is_admin_bar_button_visible() { |
490
|
|
|
global $wp_admin_bar; |
491
|
|
|
|
492
|
|
|
if ( ! is_object( $wp_admin_bar ) ) |
493
|
|
|
return false; |
494
|
|
|
|
495
|
|
|
if ( ( ! is_singular( 'post' ) && ! is_attachment() && ! is_page() ) ) |
496
|
|
|
return false; |
497
|
|
|
|
498
|
|
|
if ( ! $this->settings->is_likes_visible() ) |
499
|
|
|
return false; |
500
|
|
|
|
501
|
|
|
if ( ! $this->settings->is_post_likeable() ) |
502
|
|
|
return false; |
503
|
|
|
|
504
|
|
|
/** |
505
|
|
|
* Filters whether the Like button is enabled in the admin bar. |
506
|
|
|
* |
507
|
|
|
* @module likes |
508
|
|
|
* |
509
|
|
|
* @since 2.2.0 |
510
|
|
|
* |
511
|
|
|
* @param bool true Should the Like button be visible in the Admin bar. Default to true. |
512
|
|
|
*/ |
513
|
|
|
return (bool) apply_filters( 'jetpack_admin_bar_likes_enabled', true ); |
514
|
|
|
} |
515
|
|
|
|
516
|
|
|
function admin_bar_likes() { |
517
|
|
|
global $wp_admin_bar; |
518
|
|
|
|
519
|
|
|
$post_id = get_the_ID(); |
520
|
|
|
|
521
|
|
|
if ( ! is_numeric( $post_id ) || ! $this->is_admin_bar_button_visible() ) { |
522
|
|
|
return; |
523
|
|
|
} |
524
|
|
|
|
525
|
|
|
$protocol = 'http'; |
526
|
|
|
if ( is_ssl() ) |
527
|
|
|
$protocol = 'https'; |
528
|
|
|
|
529
|
|
View Code Duplication |
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { |
530
|
|
|
$blog_id = get_current_blog_id(); |
531
|
|
|
$bloginfo = get_blog_details( (int) $blog_id ); |
532
|
|
|
$domain = $bloginfo->domain; |
533
|
|
|
} else { |
534
|
|
|
$blog_id = Jetpack_Options::get_option( 'id' ); |
535
|
|
|
$url = home_url(); |
536
|
|
|
$url_parts = parse_url( $url ); |
537
|
|
|
$domain = $url_parts['host']; |
538
|
|
|
} |
539
|
|
|
// make sure to include the scripts before the iframe otherwise weird things happen |
540
|
|
|
add_action( 'wp_footer', 'jetpack_likes_master_iframe', 21 ); |
541
|
|
|
|
542
|
|
|
$src = sprintf( 'https://widgets.wp.com/likes/#blog_id=%2$d&post_id=%3$d&origin=%1$s://%4$s', $protocol, $blog_id, $post_id, $domain ); |
543
|
|
|
|
544
|
|
|
$html = "<iframe class='admin-bar-likes-widget jetpack-likes-widget' scrolling='no' frameBorder='0' name='admin-bar-likes-widget' src='$src'></iframe>"; |
545
|
|
|
|
546
|
|
|
$node = array( |
547
|
|
|
'id' => 'admin-bar-likes-widget', |
548
|
|
|
'meta' => array( |
549
|
|
|
'html' => $html |
550
|
|
|
) |
551
|
|
|
); |
552
|
|
|
|
553
|
|
|
$wp_admin_bar->add_node( $node ); |
554
|
|
|
} |
555
|
|
|
} |
556
|
|
|
|
557
|
|
|
Jetpack_Likes::init(); |
558
|
|
|
|
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: