1 files changed, 70 insertions, 0 deletions
diff --git a/dom/fs/api/FileSystemDirectoryIterator.h b/dom/fs/api/FileSystemDirectoryIterator.h
new file mode 100644
index 0000000000..d761ae6d2b
--- /dev/null
+++ b/dom/fs/api/FileSystemDirectoryIterator.h
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef DOM_FS_FILESYSTEMDIRECTORYITERATOR_H_
+#define DOM_FS_FILESYSTEMDIRECTORYITERATOR_H_
+
+#include "mozilla/dom/IterableIterator.h"
+#include "nsCOMPtr.h"
+#include "nsISupports.h"
+#include "nsWrapperCache.h"
+
+class nsIGlobalObject;
+
+namespace mozilla {
+
+class ErrorResult;
+
+namespace dom {
+
+class FileSystemManager;
+class IterableIteratorBase;
+class Promise;
+
+// XXX This class isn't used to support iteration anymore. `Impl` should be
+// extracted elsewhere and `FileSystemDirectoryIterator` should be removed
+// completely
+class FileSystemDirectoryIterator : public nsISupports, public nsWrapperCache {
+ public:
+  class Impl {
+   public:
+    virtual already_AddRefed<Promise> Next(nsIGlobalObject* aGlobal,
+                                           RefPtr<FileSystemManager>& aManager,
+                                           ErrorResult& aError) = 0;
+    virtual ~Impl() = default;
+  };
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(FileSystemDirectoryIterator)
+
+  explicit FileSystemDirectoryIterator(nsIGlobalObject* aGlobal,
+                                       RefPtr<FileSystemManager>& aManager,
+                                       UniquePtr<Impl> aImpl);
+
+  // WebIDL Boilerplate
+  nsIGlobalObject* GetParentObject() const;
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  // WebIDL Interface
+  already_AddRefed<Promise> Next(ErrorResult& aError);
+
+ protected:
+  virtual ~FileSystemDirectoryIterator() = default;
+
+  nsCOMPtr<nsIGlobalObject> mGlobal;
+
+  RefPtr<FileSystemManager> mManager;
+
+ private:
+  UniquePtr<Impl> mImpl;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // DOM_FS_FILESYSTEMDIRECTORYITERATOR_H_