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/FileSystemTaskBase.h"
#include "nsAutoPtr.h"
#include "mozilla/ErrorResult.h"

namespace mozilla {
namespace dom {

class BlobImpl;

class GetFileOrDirectoryTask final
  : public FileSystemTaskBase
{
public:
  // If aDirectoryOnly is set, we should ensure that the target is a directory.
  GetFileOrDirectoryTask(FileSystemBase* aFileSystem,
                         const nsAString& aTargetPath,
                         bool aDirectoryOnly,
                         ErrorResult& aRv);
  GetFileOrDirectoryTask(FileSystemBase* aFileSystem,
                         const FileSystemGetFileOrDirectoryParams& aParam,
                         FileSystemRequestParent* aParent);

  virtual
  ~GetFileOrDirectoryTask();

  already_AddRefed<Promise>
  GetPromise();

  virtual void
  GetPermissionAccessType(nsCString& aAccess) const override;
protected:
  virtual FileSystemParams
  GetRequestParams(const nsString& aFileSystem) const override;

  virtual FileSystemResponseValue
  GetSuccessRequestResult() const override;

  virtual void
  SetSuccessRequestResult(const FileSystemResponseValue& aValue) override;

  virtual nsresult
  Work() override;

  virtual void
  HandlerCallback() override;

private:
  nsRefPtr<Promise> mPromise;
  nsString mTargetRealPath;
  // Whether we get a directory.
  bool mIsDirectory;

  // This cannot be a File bacause this object is created on a different
  // thread and File is not thread-safe. Let's use the BlobImpl instead.
  nsRefPtr<BlobImpl> mTargetBlobImpl;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_GetFileOrDirectory_h