gecko-dev/dom/filesystem/GetFileOrDirectoryTask.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_GetFileOrDirectory_h
#define mozilla_dom_GetFileOrDirectory_h

#include "mozilla/dom/Directory.h"
#include "mozilla/dom/FileSystemTaskBase.h"
#include "mozilla/ErrorResult.h"

namespace mozilla {
namespace dom {

class BlobImpl;
class FileSystemGetFileOrDirectoryParams;

class GetFileOrDirectoryTaskChild final : public FileSystemTaskChildBase {
 public:
  static already_AddRefed<GetFileOrDirectoryTaskChild> Create(
      FileSystemBase* aFileSystem, nsIFile* aTargetPath, ErrorResult& aRv);

  virtual ~GetFileOrDirectoryTaskChild();

  already_AddRefed<Promise> GetPromise();

 protected:
  virtual FileSystemParams GetRequestParams(const nsString& aSerializedDOMPath,
                                            ErrorResult& aRv) const override;

  virtual void SetSuccessRequestResult(const FileSystemResponseValue& aValue,
                                       ErrorResult& aRv) override;
  virtual void HandlerCallback() override;

 private:
  GetFileOrDirectoryTaskChild(nsIGlobalObject* aGlobalObject,
                              FileSystemBase* aFileSystem,
                              nsIFile* aTargetPath);

  RefPtr<Promise> mPromise;
  nsCOMPtr<nsIFile> mTargetPath;

  RefPtr<File> mResultFile;
  RefPtr<Directory> mResultDirectory;
};

class GetFileOrDirectoryTaskParent final : public FileSystemTaskParentBase {
 public:
  static already_AddRefed<GetFileOrDirectoryTaskParent> Create(
      FileSystemBase* aFileSystem,
      const FileSystemGetFileOrDirectoryParams& aParam,
      FileSystemRequestParent* aParent, ErrorResult& aRv);

  nsresult GetTargetPath(nsAString& aPath) const override;

 protected:
  virtual FileSystemResponseValue GetSuccessRequestResult(
      ErrorResult& aRv) const override;

  virtual nsresult IOWork() override;

 private:
  GetFileOrDirectoryTaskParent(FileSystemBase* aFileSystem,
                               const FileSystemGetFileOrDirectoryParams& aParam,
                               FileSystemRequestParent* aParent);

  nsCOMPtr<nsIFile> mTargetPath;

  // Whether we get a directory.
  bool mIsDirectory;
};

}  // namespace dom
}  // namespace mozilla

#endif  // mozilla_dom_GetFileOrDirectory_h