Version 1

[yaffs-website] / web / core / modules / system / tests / modules / menu_test / src / Theme / TestThemeNegotiator.php

diff --git a/web/core/modules/system/tests/modules/menu_test/src/Theme/TestThemeNegotiator.php b/web/core/modules/system/tests/modules/menu_test/src/Theme/TestThemeNegotiator.php
new file mode 100644 (file)
index 0000000..99203d6
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+++ b/web/core/modules/system/tests/modules/menu_test/src/Theme/TestThemeNegotiator.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace Drupal\menu_test\Theme;
+
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\Core\Theme\ThemeNegotiatorInterface;
+
+/**
+ * Tests the theme negotiation functionality.
+ *
+ * Retrieves the theme key of the theme to use for the current request based on
+ * the theme name provided in the URL.
+ */
+class TestThemeNegotiator implements ThemeNegotiatorInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function applies(RouteMatchInterface $route_match) {
+    return (bool) $route_match->getParameter('inherited');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function determineActiveTheme(RouteMatchInterface $route_match) {
+    $argument = $route_match->getParameter('inherited');
+    // Test using the variable administrative theme.
+    if ($argument == 'use-admin-theme') {
+      return \Drupal::config('system.theme')->get('admin');
+    }
+    // Test using a theme that exists, but may or may not be installed.
+    elseif ($argument == 'use-test-theme') {
+      return 'test_theme';
+    }
+    // Test using a theme that does not exist.
+    elseif ($argument == 'use-fake-theme') {
+      return 'fake_theme';
+    }
+    // For any other value of the URL argument, do not return anything. This
+    // allows us to test that returning nothing from a theme negotiation
+    // causes the page to correctly fall back on using the main site theme.
+  }
+
+}