www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/system/src/Theme/DbUpdateNegotiator.php

   1 <?php
   2
   3 namespace Drupal\system\Theme;
   4
   5 use Drupal\Core\Config\ConfigFactoryInterface;
   6 use Drupal\Core\Routing\RouteMatchInterface;
   7 use Drupal\Core\Site\Settings;
   8 use Drupal\Core\Theme\ThemeNegotiatorInterface;
   9
  10 /**
  11  * Sets the active theme for the database update pages.
  12  */
  13 class DbUpdateNegotiator implements ThemeNegotiatorInterface {
  14
  15   /**
  16    * The config factory.
  17    *
  18    * @var \Drupal\Core\Config\ConfigFactoryInterface
  19    */
  20   protected $configFactory;
  21
  22   /**
  23    * Constructs a DbUpdateNegotiator.
  24    *
  25    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
  26    *   The config factory.
  27    */
  28   public function __construct(ConfigFactoryInterface $config_factory) {
  29     $this->configFactory = $config_factory;
  30   }
  31
  32   /**
  33    * {@inheritdoc}
  34    */
  35   public function applies(RouteMatchInterface $route_match) {
  36     return $route_match->getRouteName() == 'system.db_update';
  37   }
  38
  39   /**
  40    * {@inheritdoc}
  41    */
  42   public function determineActiveTheme(RouteMatchInterface $route_match) {
  43     $custom_theme = Settings::get('maintenance_theme', 'seven');
  44     if (!$custom_theme) {
  45       $config = $this->configFactory->get('system.theme');
  46       $custom_theme = $config->get('default');
  47     }
  48
  49     return $custom_theme;
  50   }
  51
  52 }