/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim:set ts=2 sw=2 sts=2 et cindent: */

/* 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/. */

#include "mozilla/dom/MIDIPortChild.h"

#include "mozilla/dom/MIDIPort.h"

#include "mozilla/dom/MIDIPortInterface.h"

using namespace mozilla;

using namespace mozilla::dom;

MIDIPortChild::MIDIPortChild(const MIDIPortInfo& aPortInfo, bool aSysexEnabled, MIDIPort* aPort) :

  MIDIPortInterface(aPortInfo, aSysexEnabled),

  mDOMPort(aPort),

  mActorWasAlive(false)

{

}

void

MIDIPortChild::Teardown()

{

  if (mDOMPort) {

    mDOMPort->UnsetIPCPort();

    mDOMPort = nullptr;

  }

  MIDIPortInterface::Shutdown();

}

void

MIDIPortChild::ActorDestroy(ActorDestroyReason aWhy)

{

}

mozilla::ipc::IPCResult

MIDIPortChild::RecvReceive(nsTArray<MIDIMessage>&& aMsgs)

{

  if (mDOMPort) {

    mDOMPort->Receive(aMsgs);

  }

  return IPC_OK();

}

mozilla::ipc::IPCResult

MIDIPortChild::RecvUpdateStatus(const uint32_t& aDeviceState, const uint32_t& aConnectionState)

{

  // Either a device is connected, and can have any connection state, or a

  // device is disconnected, and can only be closed or pending.

  MOZ_ASSERT(mDeviceState == MIDIPortDeviceState::Connected ||

             (mConnectionState == MIDIPortConnectionState::Closed ||

              mConnectionState == MIDIPortConnectionState::Pending));

  mDeviceState = static_cast<MIDIPortDeviceState>(aDeviceState);

  mConnectionState = static_cast<MIDIPortConnectionState>(aConnectionState);

  if (mDOMPort) {

    mDOMPort->FireStateChangeEvent();

  }

  return IPC_OK();

}

void

MIDIPortChild::SetActorAlive()

{

  MOZ_ASSERT(!mActorWasAlive);

  mActorWasAlive = true;

  AddRef();

}