FileSystemDirectoryReader.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_FileSystemDirectoryReader_h

#define mozilla_dom_FileSystemDirectoryReader_h

#include "mozilla/Attributes.h"

#include "mozilla/dom/BindingDeclarations.h"

#include "mozilla/dom/FileSystemDirectoryEntry.h"

#include "nsCycleCollectionParticipant.h"

#include "nsWrapperCache.h"

namespace mozilla {

class ErrorResult;

namespace dom {

class Directory;

class FileSystem;

class FileSystemEntriesCallback;

class FileSystemDirectoryReader : public nsISupports, public nsWrapperCache {

 public:

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(FileSystemDirectoryReader)

  explicit FileSystemDirectoryReader(FileSystemDirectoryEntry* aDirectoryEntry,

                                     FileSystem* aFileSystem,

                                     Directory* aDirectory);

  nsIGlobalObject* GetParentObject() const {

    return mParentEntry->GetParentObject();

  virtual JSObject* WrapObject(JSContext* aCx,

                               JS::Handle<JSObject*> aGivenProto) override;

  virtual void ReadEntries(

      FileSystemEntriesCallback& aSuccessCallback,

      const Optional<OwningNonNull<ErrorCallback>>& aErrorCallback,

      ErrorResult& aRv);

 protected:

  virtual ~FileSystemDirectoryReader();

 private:

  RefPtr<FileSystemDirectoryEntry> mParentEntry;

  RefPtr<FileSystem> mFileSystem;

  RefPtr<Directory> mDirectory;

  bool mAlreadyRead;

};

}  // namespace dom

}  // namespace mozilla

#endif  // mozilla_dom_FileSystemDirectoryReader_h