1 files changed, 60 insertions, 0 deletions
diff --git a/dom/filesystem/compat/FileSystemDirectoryReader.h b/dom/filesystem/compat/FileSystemDirectoryReader.h
new file mode 100644
index 0000000000..90274943b4
--- /dev/null
+++ b/dom/filesystem/compat/FileSystemDirectoryReader.h
@@ -0,0 +1,60 @@
+/* -*- 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 mozilla_dom_FileSystemDirectoryReader_h
+#define mozilla_dom_FileSystemDirectoryReader_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/FileSystemDirectoryEntry.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+
+class Directory;
+class FileSystem;
+class FileSystemEntriesCallback;
+
+class FileSystemDirectoryReader : public nsISupports, public nsWrapperCache {
+ public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(FileSystemDirectoryReader)
+
+  explicit FileSystemDirectoryReader(FileSystemDirectoryEntry* aDirectoryEntry,
+                                     FileSystem* aFileSystem,
+                                     Directory* aDirectory);
+
+  nsIGlobalObject* GetParentObject() const {
+    return mParentEntry->GetParentObject();
+  }
+
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+
+  virtual void ReadEntries(
+      FileSystemEntriesCallback& aSuccessCallback,
+      const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback,
+      ErrorResult& aRv);
+
+ protected:
+  virtual ~FileSystemDirectoryReader();
+
+ private:
+  RefPtr<FileSystemDirectoryEntry> mParentEntry;
+  RefPtr<FileSystem> mFileSystem;
+  RefPtr<Directory> mDirectory;
+
+  bool mAlreadyRead;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_FileSystemDirectoryReader_h