--- /dev/null
+<?php
+
+namespace Drupal\comment\Plugin\Action;
+
+use Drupal\Core\Action\ActionBase;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\user\PrivateTempStoreFactory;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Deletes a comment.
+ *
+ * @Action(
+ * id = "comment_delete_action",
+ * label = @Translation("Delete comment"),
+ * type = "comment",
+ * confirm_form_route_name = "comment.multiple_delete_confirm"
+ * )
+ */
+class DeleteComment extends ActionBase implements ContainerFactoryPluginInterface {
+
+ /**
+ * The tempstore object.
+ *
+ * @var \Drupal\user\PrivateTempStore
+ */
+ protected $tempStore;
+
+ /**
+ * The current user.
+ *
+ * @var \Drupal\Core\Session\AccountInterface
+ */
+ protected $currentUser;
+
+ /**
+ * Constructs a new DeleteComment object.
+ *
+ * @param array $configuration
+ * A configuration array containing information about the plugin instance.
+ * @param string $plugin_id
+ * The plugin ID for the plugin instance.
+ * @param array $plugin_definition
+ * The plugin implementation definition.
+ * @param \Drupal\user\PrivateTempStoreFactory $temp_store_factory
+ * The tempstore factory.
+ * @param \Drupal\Core\Session\AccountInterface $current_user
+ * The current user.
+ */
+ public function __construct(array $configuration, $plugin_id, array $plugin_definition, PrivateTempStoreFactory $temp_store_factory, AccountInterface $current_user) {
+ $this->currentUser = $current_user;
+ $this->tempStore = $temp_store_factory->get('comment_multiple_delete_confirm');
+ parent::__construct($configuration, $plugin_id, $plugin_definition);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+ return new static(
+ $configuration,
+ $plugin_id,
+ $plugin_definition,
+ $container->get('user.private_tempstore'),
+ $container->get('current_user')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function executeMultiple(array $entities) {
+ $info = [];
+ /** @var \Drupal\comment\CommentInterface $comment */
+ foreach ($entities as $comment) {
+ $langcode = $comment->language()->getId();
+ $info[$comment->id()][$langcode] = $langcode;
+ }
+ $this->tempStore->set($this->currentUser->id(), $info);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function execute($entity = NULL) {
+ $this->executeMultiple([$entity]);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function access($comment, AccountInterface $account = NULL, $return_as_object = FALSE) {
+ /** @var \Drupal\comment\CommentInterface $comment */
+ return $comment->access('delete', $account, $return_as_object);
+ }
+
+}