3023322 - Contextual Links Style Update

Closes #3023322

core/lib/Drupal/Core/Datetime/Element/Datelist.php

@@ -3,9 +3,13 @@
 namespace Drupal\Core\Datetime\Element;
 
 use Drupal\Component\Utility\NestedArray;
+use Drupal\Component\Utility\Variable;
 use Drupal\Core\Datetime\DateHelper;
 use Drupal\Core\Datetime\DrupalDateTime;
 use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Security\DoTrustedCallbackTrait;
+use Drupal\Core\Security\StaticTrustedCallbackHelper;
+use Drupal\Core\Security\TrustedCallbackInterface;
 
 /**
  * Provides a datelist element.
@@ -14,6 +18,8 @@
  */
 class Datelist extends DateElementBase {
 
+  use DoTrustedCallbackTrait;
+
   /**
    * {@inheritdoc}
    */
@@ -261,9 +267,8 @@ public static function processDatelist(&$element, FormStateInterface $form_state
     // Allows custom callbacks to alter the element.
     if (!empty($element['#date_date_callbacks'])) {
       foreach ($element['#date_date_callbacks'] as $callback) {
-        if (function_exists($callback)) {
-          $callback($element, $form_state, $date);
-        }
+        $message = sprintf('Datelist element #date_date_callbacks callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. Support for this callback implementation is deprecated in drupal:9.3.0 and will be removed in drupal:10.0.0. See https://www.drupal.org/node/3217966', Variable::callableToString($callback));
+        StaticTrustedCallbackHelper::callback($callback, [&$element, $form_state, $date], $message, TrustedCallbackInterface::TRIGGER_SILENCED_DEPRECATION);
       }
     }