FileSystemDirectoryEntry.h

/* -*- 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_FileSystemDirectoryEntry_h
#define mozilla_dom_FileSystemDirectoryEntry_h

#include "mozilla/dom/FileSystemEntry.h"

namespace mozilla::dom {

class Directory;
class FileSystemDirectoryReader;

class FileSystemDirectoryEntry : public FileSystemEntry {
 public:
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(FileSystemDirectoryEntry,
                                           FileSystemEntry)

  FileSystemDirectoryEntry(nsIGlobalObject* aGlobalObject,
                           Directory* aDirectory,
                           FileSystemDirectoryEntry* aParentEntry,
                           FileSystem* aFileSystem);

  virtual JSObject* WrapObject(JSContext* aCx,
                               JS::Handle<JSObject*> aGivenProto) override;

  virtual bool IsDirectory() const override { return true; }

  virtual void GetName(nsAString& aName, ErrorResult& aRv) const override;

  virtual void GetFullPath(nsAString& aFullPath,
                           ErrorResult& aRv) const override;

  virtual already_AddRefed<FileSystemDirectoryReader> CreateReader();

  void GetFile(
      const Optional<nsAString>& aPath, const FileSystemFlags& aFlag,
      const Optional<OwningNonNull<FileSystemEntryCallback>>& aSuccessCallback,
      const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback) {
    GetInternal(aPath.WasPassed() ? aPath.Value() : u""_ns, aFlag,
                aSuccessCallback, aErrorCallback, eGetFile);
  }

  void GetDirectory(
      const Optional<nsAString>& aPath, const FileSystemFlags& aFlag,
      const Optional<OwningNonNull<FileSystemEntryCallback>>& aSuccessCallback,
      const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback) {
    GetInternal(aPath.WasPassed() ? aPath.Value() : u""_ns, aFlag,
                aSuccessCallback, aErrorCallback, eGetDirectory);
  }

  enum GetInternalType { eGetFile, eGetDirectory };

  virtual void GetInternal(
      const nsAString& aPath, const FileSystemFlags& aFlag,
      const Optional<OwningNonNull<FileSystemEntryCallback>>& aSuccessCallback,
      const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback,
      GetInternalType aType);

 protected:
  virtual ~FileSystemDirectoryEntry();

 private:
  RefPtr<Directory> mDirectory;
};

}  // namespace mozilla::dom

#endif  // mozilla_dom_FileSystemDirectoryEntry_h