Mercurial > hg > isophonics-drupal-site
diff core/modules/language/src/EventSubscriber/LanguageRequestSubscriber.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
parents | |
children | 7a779792577d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/core/modules/language/src/EventSubscriber/LanguageRequestSubscriber.php Wed Nov 29 16:09:58 2017 +0000 @@ -0,0 +1,114 @@ +<?php + +namespace Drupal\language\EventSubscriber; + +use Drupal\Core\DrupalKernelInterface; +use Drupal\Core\Session\AccountInterface; +use Drupal\Core\StringTranslation\Translator\TranslatorInterface; +use Drupal\language\ConfigurableLanguageManagerInterface; +use Drupal\language\LanguageNegotiatorInterface; +use Symfony\Component\HttpKernel\HttpKernelInterface; +use Symfony\Component\HttpKernel\KernelEvents; +use Symfony\Component\HttpKernel\Event\GetResponseEvent; +use Symfony\Component\EventDispatcher\EventSubscriberInterface; + +/** + * Sets the $request property on the language manager. + */ +class LanguageRequestSubscriber implements EventSubscriberInterface { + + /** + * The language manager service. + * + * @var \Drupal\language\ConfigurableLanguageManagerInterface + */ + protected $languageManager; + + /** + * The language negotiator. + * + * @var \Drupal\language\LanguageNegotiatorInterface + */ + protected $negotiator; + + /** + * The translation service. + * + * @var \Drupal\Core\StringTranslation\Translator\TranslatorInterface; + */ + protected $translation; + + /** + * The current active user. + * + * @return \Drupal\Core\Session\AccountInterface + */ + protected $currentUser; + + /** + * Constructs a LanguageRequestSubscriber object. + * + * @param \Drupal\language\ConfigurableLanguageManagerInterface $language_manager + * The language manager service. + * @param \Drupal\language\LanguageNegotiatorInterface $negotiator + * The language negotiator. + * @param \Drupal\Core\StringTranslation\Translator\TranslatorInterface $translation + * The translation service. + * @param \Drupal\Core\Session\AccountInterface $current_user + * The current active user. + */ + public function __construct(ConfigurableLanguageManagerInterface $language_manager, LanguageNegotiatorInterface $negotiator, TranslatorInterface $translation, AccountInterface $current_user) { + $this->languageManager = $language_manager; + $this->negotiator = $negotiator; + $this->translation = $translation; + $this->currentUser = $current_user; + } + + /** + * Initializes the language manager at the beginning of the request. + * + * @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event + * The Event to process. + */ + public function onKernelRequestLanguage(GetResponseEvent $event) { + if ($event->getRequestType() == HttpKernelInterface::MASTER_REQUEST) { + $this->setLanguageOverrides(); + } + } + + /** + * Initializes config overrides whenever the service container is rebuilt. + */ + public function onContainerInitializeSubrequestFinished() { + $this->setLanguageOverrides(); + } + + /** + * Sets the language for config overrides on the language manager. + */ + private function setLanguageOverrides() { + $this->negotiator->setCurrentUser($this->currentUser); + if ($this->languageManager instanceof ConfigurableLanguageManagerInterface) { + $this->languageManager->setNegotiator($this->negotiator); + $this->languageManager->setConfigOverrideLanguage($this->languageManager->getCurrentLanguage()); + } + // After the language manager has initialized, set the default langcode for + // the string translations. + $langcode = $this->languageManager->getCurrentLanguage()->getId(); + $this->translation->setDefaultLangcode($langcode); + } + + /** + * Registers the methods in this class that should be listeners. + * + * @return array + * An array of event listener definitions. + */ + public static function getSubscribedEvents() { + $events[KernelEvents::REQUEST][] = ['onKernelRequestLanguage', 255]; + $events[DrupalKernelInterface::CONTAINER_INITIALIZE_SUBREQUEST_FINISHED][] = ['onContainerInitializeSubrequestFinished', 255]; + + return $events; + } + +}