236 lines
6.1 KiB
PHP
236 lines
6.1 KiB
PHP
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<?php
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/**
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* Social Links.
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*
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* This feature will only be activated for themes that declare their support.
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* This can be done by adding code similar to the following during the
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* 'after_setup_theme' action:
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*
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* add_theme_support( 'social-links', array(
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* 'facebook', 'twitter', 'linkedin', 'tumblr', 'google_plus',
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* ) );
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*/
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function jetpack_theme_supports_social_links() {
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if ( current_theme_supports( 'social-links' ) && function_exists( 'publicize_init' ) ) {
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new Social_Links();
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}
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}
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add_action( 'init', 'jetpack_theme_supports_social_links', 30 );
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if ( ! class_exists( 'Social_Links' ) ) {
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class Social_Links {
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/**
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* The links the user set for each service.
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*
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* @var array
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*/
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private $links;
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/**
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* A Publicize object.
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*
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* @var Publicize
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*/
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private $publicize;
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/**
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* An array with all services that are supported by both Publicize and the
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* currently active theme.
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*
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* @var array
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*/
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private $services = array();
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/**
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* An array of the services the theme supports
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*
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* @var array
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*/
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private $theme_supported_services = array();
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/**
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* Constructor.
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*/
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public function __construct() {
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$theme_support = get_theme_support( 'social-links' );
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/* An array of named arguments must be passed as the second parameter
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* of add_theme_support().
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*/
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if ( empty( $theme_support[0] ) )
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return;
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$this->theme_supported_services = $theme_support[0];
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$this->links = Jetpack_Options::get_option( 'social_links', array() );
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$this->admin_setup();
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add_filter( 'jetpack_has_social_links', array( $this, 'has_social_links' ) );
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add_filter( 'jetpack_get_social_links', array( $this, 'get_social_links' ) );
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foreach ( $theme_support[0] as $service ) {
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add_filter( "pre_option_jetpack-$service", array( $this, 'get_social_link_filter' ) ); // get_option( 'jetpack-service' );
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add_filter( "theme_mod_jetpack-$service", array( $this, 'get_social_link_filter' ) ); // get_theme_mod( 'jetpack-service' );
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}
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}
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public function admin_setup() {
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if ( ! current_user_can( 'manage_options' ) ) {
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return;
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}
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if ( ! is_admin() && ! $this->is_customize_preview() ) {
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return;
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}
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$this->publicize = publicize_init();
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$publicize_services = $this->publicize->get_services( 'connected' );
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$this->services = array_intersect( array_keys( $publicize_services ), $this->theme_supported_services );
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add_action( 'publicize_connected', array( $this, 'check_links' ), 20 );
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add_action( 'publicize_disconnected', array( $this, 'check_links' ), 20 );
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add_action( 'customize_register', array( $this, 'customize_register' ) );
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add_filter( 'sanitize_option_jetpack_options', array( $this, 'sanitize_link' ) );
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}
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/**
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* Compares the currently saved links with the connected services and removes
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* links from services that are no longer connected.
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*
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* @return void
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*/
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public function check_links() {
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$active_links = array_intersect_key( $this->links, array_flip( $this->services ) );
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if ( $active_links !== $this->links ) {
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$this->links = $active_links;
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Jetpack_Options::update_option( 'social_links', $active_links );
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}
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}
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/**
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* Add social link dropdown to the Customizer.
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*
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* @param WP_Customize_Manager $wp_customize Theme Customizer object.
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*/
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public function customize_register( $wp_customize ) {
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$wp_customize->add_section( 'jetpack_social_links', array(
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'title' => __( 'Connect', 'jetpack' ),
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'priority' => 35,
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) );
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foreach ( $this->services as $service ) {
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$choices = $this->get_customize_select( $service );
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if ( empty( $choices ) ) {
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continue;
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}
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$wp_customize->add_setting( "jetpack_options[social_links][$service]", array(
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'type' => 'option',
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'default' => '',
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) );
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$wp_customize->add_control( "jetpack-$service", array(
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'label' => $this->publicize->get_service_label( $service ),
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'section' => 'jetpack_social_links',
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'settings' => "jetpack_options[social_links][$service]",
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'type' => 'select',
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'choices' => $choices,
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) );
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}
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}
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/**
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* Sanitizes social links.
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*
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* @param array $option The incoming values to be sanitized.
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* @returns array
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*/
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public function sanitize_link( $option ) {
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foreach ( $this->services as $service ) {
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if ( ! empty( $option['social_links'][ $service ] ) )
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$option['social_links'][ $service ] = esc_url_raw( $option['social_links'][ $service ] );
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else
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unset( $option['social_links'][ $service ] );
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}
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return $option;
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}
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/**
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* Returns whether there are any social links set.
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*
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* @returns bool
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*/
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public function has_social_links() {
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return ! empty( $this->links );
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}
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/**
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* Return available social links.
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*
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* @returns array
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*/
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public function get_social_links() {
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return $this->links;
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}
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/**
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* Short-circuits get_option and get_theme_mod calls.
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*
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* @param string $link The incoming value to be replaced.
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* @returns string $link The social link that we've got.
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*/
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public function get_social_link_filter( $link ) {
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if ( preg_match( '/_jetpack-(.+)$/i', current_filter(), $matches ) && ! empty( $this->links[ $matches[1] ] ) )
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return $this->links[ $matches[1] ];
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return $link;
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}
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/**
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* Puts together an array of choices for a specific service.
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*
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* @param string $service The social service.
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* @return array An associative array with profile links and display names.
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*/
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private function get_customize_select( $service ) {
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$choices = array(
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'' => __( '— Select —', 'jetpack' )
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);
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$connected_services = $this->publicize->get_services( 'connected' );
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if ( isset( $connected_services[ $service ] ) ) {
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foreach ( $connected_services[ $service ] as $c ) {
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$profile_link = $this->publicize->get_profile_link( $service, $c );
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if ( false === $profile_link ) {
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continue;
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}
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$choices[ $profile_link ] = $this->publicize->get_display_name( $service, $c );
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}
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}
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if ( 1 === count( $choices ) ) {
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return array();
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}
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return $choices;
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}
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/**
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* Back-compat function for versions prior to 4.0.
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*/
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private function is_customize_preview() {
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global $wp_customize;
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return is_a( $wp_customize, 'WP_Customize_Manager' ) && $wp_customize->is_preview();
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}
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}
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} // end if ( ! class_exists( 'Social_Links' )
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