Widgets */ add_action( 'widgets_init', 'jetpack_facebook_likebox_init' ); function jetpack_facebook_likebox_init() { register_widget( 'WPCOM_Widget_Facebook_LikeBox' ); } /** * Facebook Page Plugin (formerly known as the Like Box) * Display a Facebook Page Plugin as a widget (replaces the old like box plugin) * https://developers.facebook.com/docs/plugins/page-plugin */ class WPCOM_Widget_Facebook_LikeBox extends WP_Widget { private $default_height = 580; private $default_width = 340; private $max_width = 500; private $min_width = 180; private $max_height = 9999; private $min_height = 130; function __construct() { parent::__construct( 'facebook-likebox', /** * Filter the name of a widget included in the Extra Sidebar Widgets module. * * @module widgets * * @since 2.1.2 * * @param string $widget_name Widget title. */ apply_filters( 'jetpack_widget_name', __( 'Facebook Page Plugin', 'jetpack' ) ), array( 'classname' => 'widget_facebook_likebox', 'description' => __( 'Use the Facebook Page Plugin to connect visitors to your Facebook Page', 'jetpack' ), 'customize_selective_refresh' => true, ) ); if ( is_active_widget( false, false, $this->id_base ) || is_active_widget( false, false, 'monster' ) || is_customize_preview() ) { add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) ); } } /** * Enqueue scripts. */ public function enqueue_scripts() { wp_enqueue_script( 'jetpack-facebook-embed' ); wp_enqueue_style( 'jetpack_facebook_likebox', plugins_url( 'facebook-likebox/style.css', __FILE__ ) ); wp_style_add_data( 'jetpack_facebook_likebox', 'jetpack-inline', true ); } function widget( $args, $instance ) { extract( $args ); $like_args = $this->normalize_facebook_args( $instance['like_args'] ); if ( empty( $like_args['href'] ) || ! $this->is_valid_facebook_url( $like_args['href'] ) ) { if ( current_user_can( 'edit_theme_options' ) ) { echo $before_widget; echo '

' . sprintf( __( 'It looks like your Facebook URL is incorrectly configured. Please check it in your widget settings.', 'jetpack' ), admin_url( 'widgets.php' ) ) . '

'; echo $after_widget; } echo ''; return; } /** This filter is documented in core/src/wp-includes/default-widgets.php */ $title = apply_filters( 'widget_title', $instance['title'] ); $page_url = set_url_scheme( $like_args['href'], 'https' ); $like_args['show_faces'] = (bool) $like_args['show_faces'] ? 'true' : 'false'; $like_args['stream'] = (bool) $like_args['stream'] ? 'true' : 'false'; $like_args['cover'] = (bool) $like_args['cover'] ? 'false' : 'true'; echo $before_widget; if ( ! empty( $title ) ) : echo $before_title; $likebox_widget_title = '' . esc_html( $title ) . ''; /** * Filter Facebook Likebox's widget title. * * @module widgets * * @since 3.3.0 * * @param string $likebox_widget_title Likebox Widget title (including a link to the Page URL). * @param string $title Widget title as set in the widget settings. * @param string $page_url Facebook Page URL. */ echo apply_filters( 'jetpack_facebook_likebox_title', $likebox_widget_title, $title, $page_url ); echo $after_title; endif; ?>
'', 'like_args' => $this->get_default_args(), ); $instance['title'] = trim( strip_tags( stripslashes( $new_instance['title'] ) ) ); // Set up widget values $instance['like_args'] = array( 'href' => trim( strip_tags( stripslashes( $new_instance['href'] ) ) ), 'width' => (int) $new_instance['width'], 'height' => (int) $new_instance['height'], 'show_faces' => isset( $new_instance['show_faces'] ), 'stream' => isset( $new_instance['stream'] ), 'cover' => isset( $new_instance['cover'] ), ); $instance['like_args'] = $this->normalize_facebook_args( $instance['like_args'] ); return $instance; } function form( $instance ) { $instance = wp_parse_args( (array) $instance, array( 'title' => '', 'like_args' => $this->get_default_args(), ) ); $like_args = $this->normalize_facebook_args( $instance['like_args'] ); ?>

'', 'width' => $this->default_width, 'height' => $this->default_height, 'show_faces' => 'true', 'stream' => '', 'cover' => 'true', ); /** * Filter Facebook Likebox default options. * * @module widgets * * @since 1.3.1 * * @param array $defaults Array of default options. */ return apply_filters( 'jetpack_facebook_likebox_defaults', $defaults ); } function normalize_facebook_args( $args ) { $args = wp_parse_args( (array) $args, $this->get_default_args() ); // Validate the Facebook Page URL if ( $this->is_valid_facebook_url( $args['href'] ) ) { $temp = explode( '?', $args['href'] ); $args['href'] = str_replace( array( 'http://facebook.com', 'https://facebook.com' ), array( 'http://www.facebook.com', 'https://www.facebook.com' ), $temp[0] ); } else { $args['href'] = ''; } $args['width'] = $this->normalize_int_value( (int) $args['width'], $this->default_width, $this->max_width, $this->min_width ); $args['height'] = $this->normalize_int_value( (int) $args['height'], $this->default_height, $this->max_height, $this->min_height ); $args['show_faces'] = (bool) $args['show_faces']; $args['stream'] = (bool) $args['stream']; $args['cover'] = (bool) $args['cover']; // The height used to be dependent on other widget settings // If the user changes those settings but doesn't customize the height, // let's intelligently assign a new height. if ( in_array( $args['height'], array( 580, 110, 432 ) ) ) { if ( $args['show_faces'] && $args['stream'] ) { $args['height'] = 580; } elseif ( ! $args['show_faces'] && ! $args['stream'] ) { $args['height'] = 130; } else { $args['height'] = 432; } } return $args; } function is_valid_facebook_url( $url ) { return ( false !== strpos( $url, 'facebook.com' ) ) ? true : false; } function normalize_int_value( $value, $default = 0, $max = 0, $min = 0 ) { $value = (int) $value; if ( $value > $max ) { $value = $max; } elseif ( $value < $min ) { $value = $min; } return (int) $value; } function normalize_text_value( $value, $default = '', $allowed = array() ) { $allowed = (array) $allowed; if ( empty( $value ) || ( ! empty( $allowed ) && ! in_array( $value, $allowed ) ) ) { $value = $default; } return $value; } /** * @deprecated */ function guess_locale_from_lang( $lang ) { _deprecated_function( __METHOD__, '4.0.0', 'Jetpack::guess_locale_from_lang()' ); Jetpack::$instance->guess_locale_from_lang( $lang ); } /** * @deprecated */ function get_locale() { _deprecated_function( __METHOD__, '4.0.0', 'Jetpack::get_locale()' ); Jetpack::$instance->get_locale(); } }