1 files changed, 33 insertions, 0 deletions
diff --git a/core/modules/media/src/MediaSourceManager.php b/core/modules/media/src/MediaSourceManager.php
new file mode 100644
index 0000000..5b87787
--- /dev/null
+++ b/core/modules/media/src/MediaSourceManager.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Drupal\media;
+
+use Drupal\Core\Cache\CacheBackendInterface;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Plugin\DefaultPluginManager;
+use Drupal\media\Annotation\MediaSource;
+
+/**
+ * Manages media source plugins.
+ */
+class MediaSourceManager extends DefaultPluginManager {
+
+  /**
+   * Constructs a new MediaSourceManager.
+   *
+   * @param \Traversable $namespaces
+   *   An object that implements \Traversable which contains the root paths
+   *   keyed by the corresponding namespace to look for plugin implementations.
+   * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
+   *   Cache backend instance to use.
+   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+   *   The module handler.
+   */
+  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
+    parent::__construct('Plugin/media/Source', $namespaces, $module_handler, MediaSourceInterface::class, MediaSource::class);
+
+    $this->alterInfo('media_source_info');
+    $this->setCacheBackend($cache_backend, 'media_source_plugins');
+  }
+
+}