FileSystemBackgroundRequestHandler.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 DOM_FS_CHILD_FILESYSTEMBACKGROUNDREQUESTHANDLER_H_

#define DOM_FS_CHILD_FILESYSTEMBACKGROUNDREQUESTHANDLER_H_

#include "mozilla/MozPromise.h"

#include "mozilla/UniquePtr.h"

#include "mozilla/dom/FileSystemManagerChild.h"

#include "mozilla/dom/quota/ForwardDecls.h"

#include "mozilla/ipc/PBackgroundChild.h"

template <class T>

class RefPtr;

namespace mozilla {

namespace ipc {

class PrincipalInfo;

}  // namespace ipc

namespace dom {

namespace fs {

class FileSystemChildFactory;

class FileSystemBackgroundRequestHandler {

 public:

  explicit FileSystemBackgroundRequestHandler(

      fs::FileSystemChildFactory* aChildFactory);

  explicit FileSystemBackgroundRequestHandler(

      RefPtr<FileSystemManagerChild> aFileSystemManagerChild);

  FileSystemBackgroundRequestHandler();

  NS_INLINE_DECL_REFCOUNTING(FileSystemBackgroundRequestHandler)

  void ClearActor();

  void Shutdown();

  const RefPtr<FileSystemManagerChild>& FileSystemManagerChildStrongRef() const;

  virtual RefPtr<FileSystemManagerChild::ActorPromise>

  CreateFileSystemManagerChild(

      const mozilla::ipc::PrincipalInfo& aPrincipalInfo);

 protected:

  virtual ~FileSystemBackgroundRequestHandler();

  const UniquePtr<fs::FileSystemChildFactory> mChildFactory;

  MozPromiseRequestHolder<

      mozilla::ipc::PBackgroundChild::CreateFileSystemManagerParentPromise>

      mCreateFileSystemManagerParentPromiseRequestHolder;

  MozPromiseHolder<FileSystemManagerChild::ActorPromise>

      mCreateFileSystemManagerChildPromiseHolder;

  RefPtr<FileSystemManagerChild> mFileSystemManagerChild;

  FlippedOnce<false> mShutdown;

  bool mCreatingFileSystemManagerChild;

};  // class FileSystemBackgroundRequestHandler

}  // namespace dom

}  // namespace mozilla

#endif  // DOM_FS_CHILD_FILESYSTEMBACKGROUNDREQUESTHANDLER_H_