class AdminNegotiator in Drupal 10

Sets the active theme on admin pages.

Hierarchy

• class \Drupal\user\Theme\AdminNegotiator implements ThemeNegotiatorInterface

1 file declares its use of AdminNegotiator

AdminNegotiatorTest.php in core/modules/user/tests/src/Unit/Theme/AdminNegotiatorTest.php

1 string reference to 'AdminNegotiator'

user.services.yml in core/modules/user/user.services.yml

core/modules/user/user.services.yml

1 service uses AdminNegotiator

theme.negotiator.admin_theme in core/modules/user/user.services.yml

Drupal\user\Theme\AdminNegotiator

File

core/modules/user/src/Theme/AdminNegotiator.php, line 15

Namespace

Drupal\user\Theme

class AdminNegotiator implements ThemeNegotiatorInterface {

  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $user;

  /**
   * The config factory.
   *
   * @var \Drupal\Core\Config\ConfigFactoryInterface
   */
  protected $configFactory;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The route admin context to determine whether a route is an admin one.
   *
   * @var \Drupal\Core\Routing\AdminContext
   */
  protected $adminContext;

  /**
   * Creates a new AdminNegotiator instance.
   *
   * @param \Drupal\Core\Session\AccountInterface $user
   *   The current user.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The config factory.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Drupal\Core\Routing\AdminContext $admin_context
   *   The route admin context to determine whether the route is an admin one.
   */
  public function __construct(AccountInterface $user, ConfigFactoryInterface $config_factory, EntityTypeManagerInterface $entity_type_manager, AdminContext $admin_context) {
    $this->user = $user;
    $this->configFactory = $config_factory;
    $this->entityTypeManager = $entity_type_manager;
    $this->adminContext = $admin_context;
  }

  /**
   * {@inheritdoc}
   */
  public function applies(RouteMatchInterface $route_match) {
    return $this->entityTypeManager
      ->hasHandler('user_role', 'storage') && $this->user
      ->hasPermission('view the administration theme') && $this->adminContext
      ->isAdminRoute($route_match
      ->getRouteObject());
  }

  /**
   * {@inheritdoc}
   */
  public function determineActiveTheme(RouteMatchInterface $route_match) {
    return $this->configFactory
      ->get('system.theme')
      ->get('admin') ?: NULL;
  }

}