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/* -*- 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_GetFilesTask_h
#define mozilla_dom_GetFilesTask_h

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

namespace mozilla {
namespace dom {

class BlobImpl;
class FileSystemGetFilesParams;

class GetFilesTaskChild final : public FileSystemTaskChildBase {
 public:
  static already_AddRefed<GetFilesTaskChild> Create(FileSystemBase* aFileSystem,
                                                    Directory* aDirectory,
                                                    nsIFile* aTargetPath,
                                                    bool aRecursiveFlag,
                                                    ErrorResult& aRv);

  virtual ~GetFilesTaskChild();

  already_AddRefed<Promise> GetPromise();

 private:
  // If aDirectoryOnly is set, we should ensure that the target is a directory.
  GetFilesTaskChild(nsIGlobalObject* aGlobalObject, FileSystemBase* aFileSystem,
                    Directory* aDirectory, nsIFile* aTargetPath,
                    bool aRecursiveFlag);

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

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

  virtual void HandlerCallback() override;

  RefPtr<Promise> mPromise;
  RefPtr<Directory> mDirectory;
  nsCOMPtr<nsIFile> mTargetPath;
  bool mRecursiveFlag;

  // We store the fullpath and the dom path of Files.
  FallibleTArray<RefPtr<File>> mTargetData;
};

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

  nsresult GetTargetPath(nsAString& aPath) const override;

 private:
  GetFilesTaskParent(FileSystemBase* aFileSystem,
                     const FileSystemGetFilesParams& aParam,
                     FileSystemRequestParent* aParent);

  virtual FileSystemResponseValue GetSuccessRequestResult(
      ErrorResult& aRv) const override;

  virtual nsresult IOWork() override;

  nsString mDirectoryDOMPath;
  nsCOMPtr<nsIFile> mTargetPath;
};

}  // namespace dom
}  // namespace mozilla

#endif  // mozilla_dom_GetFilesTask_h