_init();
}
return self::$_instance;
}
/**
* Object init, sets up hooks. Not done in the constructor so that the
* _init() method may be extended without breaking the singleton.
*/
protected function _init() {
if ( is_admin() ) {
add_action( 'admin_footer', array( $this, 'enqueue_scripts' ) );
add_action( 'admin_print_footer_scripts', array( $this, 'footer_js' ) );
} elseif ( is_user_logged_in() ) {
add_action( 'wp_footer', array( $this, 'enqueue_scripts' ) );
add_action( 'wp_print_footer_scripts', array( $this, 'footer_js' ) );
}
add_filter( 'heartbeat_received', array( $this, 'login' ), 10, 2 );
add_filter( 'heartbeat_nopriv_received', array( $this, 'nopriv_login' ), 10, 2 );
}
/**
* Checks if the user is still logged in
*/
public function login( $response, $data ) {
if ( array_key_exists('wp-auth-check', $data) && ( ! isset( $_COOKIE[LOGGED_IN_COOKIE] ) || ! wp_validate_auth_cookie() || ! empty( $GLOBALS['login_grace_period'] ) ) )
$response['wp-auth-check-html'] = $this->notice();
return $response;
}
/**
* Runs when a user is expected to be logged in
* but has logged out or cannot be validated
*/
public function nopriv_login( $response, $data ) {
if ( array_key_exists('wp-auth-check', $data) )
$response['wp-auth-check-html'] = $this->notice();
return $response;
}
public function footer_js() {
?>
';
}
}