class DbUpdateNegotiator in Drupal 10

Sets the active theme for the database update pages.

Hierarchy

• class \Drupal\system\Theme\DbUpdateNegotiator implements ThemeNegotiatorInterface

1 string reference to 'DbUpdateNegotiator'

system.services.yml in core/modules/system/system.services.yml

core/modules/system/system.services.yml

1 service uses DbUpdateNegotiator

theme.negotiator.system.db_update in core/modules/system/system.services.yml

Drupal\system\Theme\DbUpdateNegotiator

File

core/modules/system/src/Theme/DbUpdateNegotiator.php, line 14

Namespace

Drupal\system\Theme

class DbUpdateNegotiator implements ThemeNegotiatorInterface {

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

  /**
   * The theme handler.
   *
   * @var \Drupal\Core\Extension\ThemeHandlerInterface
   */
  protected $themeHandler;

  /**
   * Constructs a DbUpdateNegotiator.
   *
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The config factory.
   * @param \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler
   *   The theme handler.
   */
  public function __construct(ConfigFactoryInterface $config_factory, ThemeHandlerInterface $theme_handler) {
    $this->configFactory = $config_factory;
    $this->themeHandler = $theme_handler;
  }

  /**
   * {@inheritdoc}
   */
  public function applies(RouteMatchInterface $route_match) {
    return $route_match
      ->getRouteName() == 'system.db_update';
  }

  /**
   * {@inheritdoc}
   */
  public function determineActiveTheme(RouteMatchInterface $route_match) {
    $custom_theme = Settings::get('maintenance_theme');
    if (!$custom_theme) {
      $custom_theme = $this->themeHandler
        ->themeExists('claro') ? 'claro' : 'seven';
    }
    return $custom_theme;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DbUpdateNegotiator::$configFactory	protected	property	The config factory.
DbUpdateNegotiator::$themeHandler	protected	property	The theme handler.
DbUpdateNegotiator::applies	public	function	Whether this theme negotiator should be used to set the theme. Overrides ThemeNegotiatorInterface::applies
DbUpdateNegotiator::determineActiveTheme	public	function	Determine the active theme for the request. Overrides ThemeNegotiatorInterface::determineActiveTheme
DbUpdateNegotiator::__construct	public	function	Constructs a DbUpdateNegotiator.