/* -*- 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_SharedMessagePortMessage_h

#define mozilla_dom_SharedMessagePortMessage_h

#include "mozilla/dom/ipc/StructuredCloneData.h"

namespace mozilla {

namespace dom {

class MessagePortChild;

class MessagePortMessage;

class MessagePortParent;

class SharedMessagePortMessage final : public ipc::StructuredCloneData

{

public:

  NS_INLINE_DECL_REFCOUNTING(SharedMessagePortMessage)

  SharedMessagePortMessage()

    : ipc::StructuredCloneData()

  {}

  // Note that the populated ClonedMessageData borrows the underlying

  // JSStructuredCloneData from the SharedMessagePortMessage, so the caller is

  // required to ensure that the ClonedMessageData instances are destroyed prior

  // to the SharedMessagePortMessage instances.

  static void

  FromSharedToMessagesChild(

                      MessagePortChild* aActor,

                      const nsTArray<RefPtr<SharedMessagePortMessage>>& aData,

                      nsTArray<ClonedMessageData>& aArray);

  static bool

  FromMessagesToSharedChild(

                     nsTArray<ClonedMessageData>& aArray,

                     FallibleTArray<RefPtr<SharedMessagePortMessage>>& aData);

  // Note that the populated ClonedMessageData borrows the underlying

  // JSStructuredCloneData from the SharedMessagePortMessage, so the caller is

  // required to ensure that the ClonedMessageData instances are destroyed prior

  // to the SharedMessagePortMessage instances.

  static bool

  FromSharedToMessagesParent(

                      MessagePortParent* aActor,

                      const nsTArray<RefPtr<SharedMessagePortMessage>>& aData,

                      FallibleTArray<ClonedMessageData>& aArray);

  static bool

  FromMessagesToSharedParent(

                     nsTArray<ClonedMessageData>& aArray,

                     FallibleTArray<RefPtr<SharedMessagePortMessage>>& aData);

private:

  ~SharedMessagePortMessage() {}

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_SharedMessagePortMessage_h