/* -*- 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 "MIDIManagerChild.h"

#include "mozilla/dom/MIDIAccessManager.h"

using namespace mozilla::dom;

MIDIManagerChild::MIDIManagerChild()

  : mShutdown(false)

{

}

mozilla::ipc::IPCResult

MIDIManagerChild::RecvMIDIPortListUpdate(const MIDIPortList& aPortList)

{

  MOZ_ASSERT(NS_IsMainThread());

  if (mShutdown) {

    return IPC_OK();

  }

  MOZ_ASSERT(MIDIAccessManager::IsRunning());

  MIDIAccessManager::Get()->Update(aPortList);

  return IPC_OK();

}

void

MIDIManagerChild::SetActorAlive()

{

  // IPC Channels for MIDIManagers are created and managed by MIDIAccessManager,

  // so once the actor is created, we'll need to add a reference to keep it

  // alive until BackgroundChildImpl kills it.

  AddRef();

}

void

MIDIManagerChild::Shutdown()

{

  MOZ_ASSERT(!mShutdown);

  mShutdown = true;

  SendShutdown();

}