diff -r 000000000000 -r 6474c204b198 dom/filesystem/Directory.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/filesystem/Directory.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,104 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=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_Directory_h
+#define mozilla_dom_Directory_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "nsAutoPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsDOMFile.h"
+#include "nsPIDOMWindow.h"
+#include "nsWrapperCache.h"
+
+// Resolve the name collision of Microsoft's API name with macros defined in
+// Windows header files. Undefine the macro of CreateDirectory to avoid
+// Directory#CreateDirectory being replaced by Directory#CreateDirectoryW.
+#ifdef CreateDirectory
+#undef CreateDirectory
+#endif
+// Undefine the macro of CreateFile to avoid Directory#CreateFile being replaced
+// by Directory#CreateFileW.
+#ifdef CreateFile
+#undef CreateFile
+#endif
+
+namespace mozilla {
+namespace dom {
+
+class CreateFileOptions;
+class FileSystemBase;
+class Promise;
+class StringOrFileOrDirectory;
+
+class Directory MOZ_FINAL
+  : public nsISupports
+  , public nsWrapperCache
+{
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Directory)
+
+public:
+  static already_AddRefed<Promise>
+  GetRoot(FileSystemBase* aFileSystem);
+
+  Directory(FileSystemBase* aFileSystem, const nsAString& aPath);
+  ~Directory();
+
+  // ========= Begin WebIDL bindings. ===========
+
+  nsPIDOMWindow*
+  GetParentObject() const;
+
+  virtual JSObject*
+  WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  void
+  GetName(nsString& aRetval) const;
+
+  already_AddRefed<Promise>
+  CreateFile(const nsAString& aPath, const CreateFileOptions& aOptions);
+
+  already_AddRefed<Promise>
+  CreateDirectory(const nsAString& aPath);
+
+  already_AddRefed<Promise>
+  Get(const nsAString& aPath);
+
+  already_AddRefed<Promise>
+  Remove(const StringOrFileOrDirectory& aPath);
+
+  already_AddRefed<Promise>
+  RemoveDeep(const StringOrFileOrDirectory& aPath);
+
+  // =========== End WebIDL bindings.============
+
+  FileSystemBase*
+  GetFileSystem() const;
+private:
+  static bool
+  IsValidRelativePath(const nsString& aPath);
+
+  /*
+   * Convert relative DOM path to the absolute real path.
+   * @return true if succeed. false if the DOM path is invalid.
+   */
+  bool
+  DOMPathToRealPath(const nsAString& aPath, nsAString& aRealPath) const;
+
+  already_AddRefed<Promise>
+  RemoveInternal(const StringOrFileOrDirectory& aPath, bool aRecursive);
+
+  nsRefPtr<FileSystemBase> mFileSystem;
+  nsString mPath;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_Directory_h