FileSystemManagerChild.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_FILESYSTEMMANAGERCHILD_H_

#define DOM_FS_CHILD_FILESYSTEMMANAGERCHILD_H_

#include "mozilla/dom/FileSystemWritableFileStreamChild.h"

#include "mozilla/dom/PFileSystemManagerChild.h"

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

namespace mozilla::dom {

class FileSystemBackgroundRequestHandler;

class FileSystemManagerChild : public PFileSystemManagerChild {

 public:

  using ActorPromise =

      MozPromise<RefPtr<FileSystemManagerChild>, nsresult, false>;

  NS_INLINE_DECL_REFCOUNTING_WITH_DESTROY(FileSystemManagerChild, Destroy(),

                                          override)

  bool CloseAllReceived() const { return mCloseAllReceived; }

  void SetBackgroundRequestHandler(

      FileSystemBackgroundRequestHandler* aBackgroundRequestHandler);

  void CloseAllWritables(std::function<void()>&& aCallback);

#ifdef DEBUG

  virtual bool AllSyncAccessHandlesClosed() const;

  virtual bool AllWritableFileStreamsClosed() const;

#endif

  virtual void Shutdown();

  already_AddRefed<PFileSystemWritableFileStreamChild>

  AllocPFileSystemWritableFileStreamChild();

  ::mozilla::ipc::IPCResult RecvCloseAll(CloseAllResolver&& aResolver);

  void ActorDestroy(ActorDestroyReason aWhy) override;

 protected:

  virtual ~FileSystemManagerChild() = default;

  virtual void Destroy() {

    Shutdown();

    delete this;

  // The weak reference is cleared in ActorDestroy.

  FileSystemBackgroundRequestHandler* MOZ_NON_OWNING_REF

      mBackgroundRequestHandler;

 private:

  template <class T>

  void CloseAllWritablesImpl(T& aPromises);

  bool mCloseAllReceived = false;

};

}  // namespace mozilla::dom

#endif  // DOM_FS_CHILD_FILESYSTEMMANAGERCHILD_H_