/* -*- 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_MessagePortService_h

#define mozilla_dom_MessagePortService_h

#include "nsClassHashtable.h"

#include "nsHashKeys.h"

#include "nsISupportsImpl.h"

namespace mozilla {

namespace dom {

class MessagePortParent;

class SharedMessagePortMessage;

class MessagePortService final

{

public:

  NS_INLINE_DECL_REFCOUNTING(MessagePortService)

  static MessagePortService* Get();

  static MessagePortService* GetOrCreate();

  bool RequestEntangling(MessagePortParent* aParent,

                         const nsID& aDestinationUUID,

                         const uint32_t& aSequenceID);

  bool DisentanglePort(

                 MessagePortParent* aParent,

                 FallibleTArray<RefPtr<SharedMessagePortMessage>>& aMessages);

  bool ClosePort(MessagePortParent* aParent);

  bool PostMessages(

                 MessagePortParent* aParent,

                 FallibleTArray<RefPtr<SharedMessagePortMessage>>& aMessages);

  void ParentDestroy(MessagePortParent* aParent);

  bool ForceClose(const nsID& aUUID,

                  const nsID& aDestinationUUID,

                  const uint32_t& aSequenceID);

private:

  ~MessagePortService() {}

  void CloseAll(const nsID& aUUID, bool aForced = false);

  void MaybeShutdown();

  class MessagePortServiceData;

  nsClassHashtable<nsIDHashKey, MessagePortServiceData> mPorts;

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_MessagePortService_h