/* -*- 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/. */

#include "ClientSourceChild.h"

#include "ClientSource.h"

#include "ClientSourceOpChild.h"

#include "mozilla/dom/ClientIPCTypes.h"

#include "mozilla/Unused.h"

namespace mozilla {

namespace dom {

using mozilla::ipc::IPCResult;

void

ClientSourceChild::ActorDestroy(ActorDestroyReason aReason)

{

  if (mSource) {

    mSource->RevokeActor(this);

    // Revoking the actor link should automatically cause the owner

    // to call RevokeOwner() as well.

    MOZ_DIAGNOSTIC_ASSERT(!mSource);

  }

}

PClientSourceOpChild*

ClientSourceChild::AllocPClientSourceOpChild(const ClientOpConstructorArgs& aArgs)

{

  return new ClientSourceOpChild();

}

bool

ClientSourceChild::DeallocPClientSourceOpChild(PClientSourceOpChild* aActor)

{

  delete aActor;

  return true;

}

IPCResult

ClientSourceChild::RecvPClientSourceOpConstructor(PClientSourceOpChild* aActor,

                                                  const ClientOpConstructorArgs& aArgs)

{

  auto actor = static_cast<ClientSourceOpChild*>(aActor);

  actor->Init(aArgs);

  return IPC_OK();

}

ClientSourceChild::ClientSourceChild(const ClientSourceConstructorArgs& aArgs)

  : mSource(nullptr)

  , mTeardownStarted(false)

{

}

void

ClientSourceChild::SetOwner(ClientThing<ClientSourceChild>* aThing)

{

  MOZ_DIAGNOSTIC_ASSERT(aThing);

  MOZ_DIAGNOSTIC_ASSERT(!mSource);

  mSource = static_cast<ClientSource*>(aThing);

}

void

ClientSourceChild::RevokeOwner(ClientThing<ClientSourceChild>* aThing)

{

  MOZ_DIAGNOSTIC_ASSERT(mSource);

  MOZ_DIAGNOSTIC_ASSERT(mSource == static_cast<ClientSource*>(aThing));

  mSource = nullptr;

}

ClientSource*

ClientSourceChild::GetSource() const

{

  return mSource;

}

void

ClientSourceChild::MaybeStartTeardown()

{

  if (mTeardownStarted) {

    return;

  }

  mTeardownStarted = true;

  Unused << SendTeardown();

}

} // namespace dom

} // namespace mozilla