Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\language\EventSubscriber;
Chris@0: 
Chris@0: use Drupal\Core\DrupalKernelInterface;
Chris@0: use Drupal\Core\Session\AccountInterface;
Chris@0: use Drupal\Core\StringTranslation\Translator\TranslatorInterface;
Chris@0: use Drupal\language\ConfigurableLanguageManagerInterface;
Chris@0: use Drupal\language\LanguageNegotiatorInterface;
Chris@0: use Symfony\Component\HttpKernel\KernelEvents;
Chris@0: use Symfony\Component\HttpKernel\Event\GetResponseEvent;
Chris@0: use Symfony\Component\EventDispatcher\EventSubscriberInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Sets the $request property on the language manager.
Chris@0:  */
Chris@0: class LanguageRequestSubscriber implements EventSubscriberInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The language manager service.
Chris@0:    *
Chris@0:    * @var \Drupal\language\ConfigurableLanguageManagerInterface
Chris@0:    */
Chris@0:   protected $languageManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * The language negotiator.
Chris@0:    *
Chris@0:    * @var \Drupal\language\LanguageNegotiatorInterface
Chris@0:    */
Chris@0:   protected $negotiator;
Chris@0: 
Chris@0:   /**
Chris@0:    * The translation service.
Chris@0:    *
Chris@17:    * @var \Drupal\Core\StringTranslation\Translator\TranslatorInterface
Chris@0:    */
Chris@0:   protected $translation;
Chris@0: 
Chris@0:   /**
Chris@0:    * The current active user.
Chris@0:    *
Chris@12:    * @var \Drupal\Core\Session\AccountInterface
Chris@0:    */
Chris@0:   protected $currentUser;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a LanguageRequestSubscriber object.
Chris@0:    *
Chris@0:    * @param \Drupal\language\ConfigurableLanguageManagerInterface $language_manager
Chris@0:    *   The language manager service.
Chris@0:    * @param \Drupal\language\LanguageNegotiatorInterface $negotiator
Chris@0:    *   The language negotiator.
Chris@0:    * @param \Drupal\Core\StringTranslation\Translator\TranslatorInterface $translation
Chris@0:    *   The translation service.
Chris@0:    * @param \Drupal\Core\Session\AccountInterface $current_user
Chris@0:    *   The current active user.
Chris@0:    */
Chris@0:   public function __construct(ConfigurableLanguageManagerInterface $language_manager, LanguageNegotiatorInterface $negotiator, TranslatorInterface $translation, AccountInterface $current_user) {
Chris@0:     $this->languageManager = $language_manager;
Chris@0:     $this->negotiator = $negotiator;
Chris@0:     $this->translation = $translation;
Chris@0:     $this->currentUser = $current_user;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Initializes the language manager at the beginning of the request.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
Chris@0:    *   The Event to process.
Chris@0:    */
Chris@0:   public function onKernelRequestLanguage(GetResponseEvent $event) {
Chris@18:     if ($event->isMasterRequest()) {
Chris@0:       $this->setLanguageOverrides();
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Initializes config overrides whenever the service container is rebuilt.
Chris@0:    */
Chris@0:   public function onContainerInitializeSubrequestFinished() {
Chris@0:     $this->setLanguageOverrides();
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Sets the language for config overrides on the language manager.
Chris@0:    */
Chris@0:   private function setLanguageOverrides() {
Chris@0:     $this->negotiator->setCurrentUser($this->currentUser);
Chris@0:     if ($this->languageManager instanceof ConfigurableLanguageManagerInterface) {
Chris@0:       $this->languageManager->setNegotiator($this->negotiator);
Chris@0:       $this->languageManager->setConfigOverrideLanguage($this->languageManager->getCurrentLanguage());
Chris@0:     }
Chris@0:     // After the language manager has initialized, set the default langcode for
Chris@0:     // the string translations.
Chris@0:     $langcode = $this->languageManager->getCurrentLanguage()->getId();
Chris@0:     $this->translation->setDefaultLangcode($langcode);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Registers the methods in this class that should be listeners.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   An array of event listener definitions.
Chris@0:    */
Chris@0:   public static function getSubscribedEvents() {
Chris@0:     $events[KernelEvents::REQUEST][] = ['onKernelRequestLanguage', 255];
Chris@0:     $events[DrupalKernelInterface::CONTAINER_INITIALIZE_SUBREQUEST_FINISHED][] = ['onContainerInitializeSubrequestFinished', 255];
Chris@0: 
Chris@0:     return $events;
Chris@0:   }
Chris@0: 
Chris@0: }