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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', |
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* ) ); |
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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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|
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if ( ! class_exists( 'Social_Links' ) ) { |
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|
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class Social_Links { |
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|
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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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/** |
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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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/** |
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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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/** |
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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 $theme_supported_services = array(); |
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|
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/** |
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* Constructor. |
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*/ |
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public function __construct() { |
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$theme_support = get_theme_support( 'social-links' ); |
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|
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/* |
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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( $theme_support[0] ) ) { |
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return; |
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} |
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|
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$this->theme_supported_services = $theme_support[0]; |
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$this->links = Jetpack_Options::get_option( 'social_links', array() ); |
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|
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$this->admin_setup(); |
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|
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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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|
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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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|
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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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|
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if ( ! is_admin() && ! $this->is_customize_preview() ) { |
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return; |
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} |
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|
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$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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|
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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( $this, 'sanitize_link' ) ); |
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} |
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|
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/** |
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* Compares the currently saved links with the connected services and removes |
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* links from services that are no longer connected. |
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* |
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* @return void |
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*/ |
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public function check_links() { |
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$active_links = array_intersect_key( $this->links, array_flip( $this->services ) ); |
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|
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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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/** |
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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( |
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'jetpack_social_links', |
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array( |
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'title' => esc_html__( 'Connect', 'jetpack' ), |
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'priority' => 35, |
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) |
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); |
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|
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foreach ( array_keys( $this->publicize->get_services( 'all' ) ) as $service ) { |
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$choices = $this->get_customize_select( $service ); |
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|
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if ( empty( $choices ) ) { |
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continue; |
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} |
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|
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$wp_customize->add_setting( |
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"jetpack_options[social_links][$service]", |
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array( |
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'type' => 'option', |
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'default' => '', |
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) |
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); |
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|
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$wp_customize->add_control( |
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"jetpack-$service", |
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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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|
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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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} |
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|
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return $option; |
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} |
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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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/** |
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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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/** |
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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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} |
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|
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return $link; |
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} |
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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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|
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if ( isset( $this->links[ $service ] ) ) { |
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$choices[ $this->links[ $service ] ] = $this->links[ $service ]; |
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} |
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|
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$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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|
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if ( false === $profile_link ) { |
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continue; |
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} |
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|
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$choices[ $profile_link ] = $this->publicize->get_display_name( $service, $c ); |
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} |
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} |
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|
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if ( 1 === count( $choices ) ) { |
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return array(); |
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} |
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|
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return $choices; |
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} |
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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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|
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} // end if ( ! class_exists( 'Social_Links' ) |
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|
