admin_toolbar_mediteran-8.x-1.5/admin_toolbar_mediteran.module

<?php

/**
 * Implements hook_preprocess_HOOK().
 */
function admin_toolbar_mediteran_preprocess_html(&$variables) {
  // Add mediteran admin class to the body.
  if (_admin_toolbar_mediteran_is_access()) {
    $variables['attributes']['class'][] = 'admin-toolbar-mediteran';
  }
}

/**
 * Implements hook_page_attachments_alter().
 */
function admin_toolbar_mediteran_page_attachments_alter(array &$page) {
  // Attaches css assets globally.
  if (_admin_toolbar_mediteran_is_access()) {
    $page['#attached']['library'][] = 'admin_toolbar_mediteran/admin_toolbar_mediteran';
  }
}

/**
 * Implements hook_toolbar_alter().
 */
function admin_toolbar_mediteran_toolbar_alter(&$items) {
  // Add class to the user tab so it can be moved to the right.
  if (_admin_toolbar_mediteran_is_access()) {
    $items['user']['#wrapper_attributes']['class'] = ['user-toolbar-tab'];
  }
}

function admin_toolbar_mediteran_library_info_alter(&$libraries, $extension) {
  if (_admin_toolbar_mediteran_is_access()) {
      // Verify existence of admin_toolbar
      if ($extension == "admin_toolbar") {
        // Unset the CSS of admin_toolbar
        unset($libraries['toolbar.tree']['css']['theme']['css/admin.toolbar.css']);
      }
  
      // Verify existence of toolbar
      if ($extension == "toolbar") {
        // Unset the CSS of core toolbar main style
        unset($libraries['toolbar']['css']['theme']['css/toolbar.theme.css']);
      }
  }
}

/**
 * Helper function for checking user permission.
 *
 * We reallly only want to add styling and changes to toolbar when the user has access
 * Returns TRUE or FALSE.
 */
function _admin_toolbar_mediteran_is_access() {
  $user = \Drupal::currentUser();
  return $user->hasPermission('access toolbar');
}