sticky_toolbar-8.x-1.6/sticky_toolbar.module

<?php

/**
 * @file
 * Sticky Toolbar core functions.
 */

use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function sticky_toolbar_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.sticky_toolbar':
      return '<p>' . t('Toolbar is fixed by default and does not include an option to make it relative in the DOM. This module addresses that need by allowing users to toggle that setting.') . '</p>';
  }
}

/**
 * Implements hook_page_attachments().
 */
function sticky_toolbar_page_attachments(array &$page) {
  $user = \Drupal::currentUser()->id();
  $sticky = \Drupal::service('user.data')->get('sticky_toolbar', $user, 'sticky');

  // Only attach library if user set sticky toggle to false.
  if (!$sticky) {
    $page['#attached']['library'][] = 'sticky_toolbar/sticky_toolbar_reset';
  }
}