palemoon-dev/platform/dom/messagechannel/MessagePortParent.h

/* 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_MessagePortParent_h
#define mozilla_dom_MessagePortParent_h

#include "mozilla/WeakPtr.h"
#include "mozilla/dom/PMessagePortParent.h"

namespace mozilla {
namespace dom {

class MessagePortService;

class MessagePortParent final : public PMessagePortParent,
                                public SupportsWeakPtr<MessagePortParent>
{
public:
  explicit MessagePortParent(const nsID& aUUID);
  ~MessagePortParent();

  bool Entangle(const nsID& aDestinationUUID,
                const uint32_t& aSequenceID);

  bool Entangled(const nsTArray<MessagePortMessage>& aMessages);

  void Close();
  void CloseAndDelete();

  bool CanSendData() const
  {
    return mCanSendData;
  }

  const nsID& ID() const
  {
    return mUUID;
  }

  static bool ForceClose(const nsID& aUUID,
                         const nsID& aDestinationUUID,
                         const uint32_t& aSequenceID);

  MOZ_DECLARE_WEAKREFERENCE_TYPENAME(MessagePortParent)
  
private:
  virtual bool RecvPostMessages(nsTArray<MessagePortMessage>&& aMessages)
                                                                       override;

  virtual bool RecvDisentangle(nsTArray<MessagePortMessage>&& aMessages)
                                                                       override;

  virtual bool RecvStopSendingData() override;

  virtual bool RecvClose() override;

  virtual void ActorDestroy(ActorDestroyReason aWhy) override;

  RefPtr<MessagePortService> mService;
  const nsID mUUID;
  bool mEntangled;
  bool mCanSendData;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_MessagePortParent_h