Version 1

[yaffs-website] / web / modules / contrib / metatag / src / Plugin / metatag / Tag / Referrer.php

diff --git a/web/modules/contrib/metatag/src/Plugin/metatag/Tag/Referrer.php b/web/modules/contrib/metatag/src/Plugin/metatag/Tag/Referrer.php
new file mode 100644 (file)
index 0000000..c4be7ab
--- /dev/null
+++ b/web/modules/contrib/metatag/src/Plugin/metatag/Tag/Referrer.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Drupal\metatag\Plugin\metatag\Tag;
+
+/**
+ * The basic "Referrer policy" meta tag.
+ *
+ * @MetatagTag(
+ *   id = "referrer",
+ *   label = @Translation("Referrer policy"),
+ *   description = @Translation("Indicate to search engines and other page scrapers whether or not links should be followed. See <a href='http://w3c.github.io/webappsec/specs/referrer-policy/'>the W3C specifications</a> for further details."),
+ *   name = "referrer",
+ *   group = "advanced",
+ *   weight = 5,
+ *   type = "label",
+ *   secure = FALSE,
+ *   multiple = FALSE
+ * )
+ */
+class Referrer extends MetaNameBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function form(array $element = []) {
+    $form = [
+      '#type' => 'select',
+      '#title' => $this->label(),
+      '#description' => $this->description(),
+      '#options' => [
+        'no-referrer' => t('No Referrer'),
+        'origin' => t('Origin'),
+        'no-referrer-when-downgrade' => t('No Referrer When Downgrade'),
+        'origin-when-cross-origin' => t('Origin When Cross-Origin'),
+        'unsafe-url' => t('Unsafe URL'),
+      ],
+      '#empty_option' => t('- None -'),
+      '#empty_value' => '',
+      '#default_value' => $this->value(),
+      '#required' => isset($element['#required']) ? $element['#required'] : FALSE,
+      '#element_validate' => [[get_class($this), 'validateTag']],
+    ];
+
+    return $form;
+  }
+
+}