GetDirectoryListingTask.h

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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_GetDirectoryListing_h

#define mozilla_dom_GetDirectoryListing_h

#include "mozilla/dom/Directory.h"

#include "mozilla/dom/FileSystemTaskBase.h"

namespace mozilla {

class ErrorResult;

namespace dom {

class BlobImpl;

class FileSystemGetDirectoryListingParams;

class OwningFileOrDirectory;

class GetDirectoryListingTaskChild final : public FileSystemTaskChildBase {

 public:

  static already_AddRefed<GetDirectoryListingTaskChild> Create(

      FileSystemBase* aFileSystem, Directory* aDirectory, nsIFile* aTargetPath,

      const nsAString& aFilters, ErrorResult& aRv);

  virtual ~GetDirectoryListingTaskChild();

  already_AddRefed<Promise> GetPromise();

 private:

  // If aDirectoryOnly is set, we should ensure that the target is a directory.

  GetDirectoryListingTaskChild(nsIGlobalObject* aGlobalObject,

                               FileSystemBase* aFileSystem,

                               Directory* aDirectory, nsIFile* aTargetPath,

                               const nsAString& aFilters);

  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;

  nsString mFilters;

  FallibleTArray<OwningFileOrDirectory> mTargetData;

};

class GetDirectoryListingTaskParent final : public FileSystemTaskParentBase {

 public:

  static already_AddRefed<GetDirectoryListingTaskParent> Create(

      FileSystemBase* aFileSystem,

      const FileSystemGetDirectoryListingParams& aParam,

      FileSystemRequestParent* aParent, ErrorResult& aRv);

  nsresult GetTargetPath(nsAString& aPath) const override;

 private:

  GetDirectoryListingTaskParent(

      FileSystemBase* aFileSystem,

      const FileSystemGetDirectoryListingParams& aParam,

      FileSystemRequestParent* aParent);

  virtual FileSystemResponseValue GetSuccessRequestResult(

      ErrorResult& aRv) const override;

  virtual nsresult IOWork() override;

  virtual nsresult MainThreadWork() override;

  virtual bool MainThreadNeeded() const override;

  nsCOMPtr<nsIFile> mTargetPath;

  nsString mDOMPath;

  nsString mFilters;

  struct FileOrDirectoryPath {

    nsString mPath;

    // Set on the main-thread

    nsString mContentType;

    enum { eFilePath, eDirectoryPath } mType;

};

  FallibleTArray<FileOrDirectoryPath> mTargetData;

};

}  // namespace dom

}  // namespace mozilla

#endif  // mozilla_dom_GetDirectoryListing_h