SyncManagerParent.cpp

/* -*- 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 "SyncManagerParent.h"
#include "SyncService.h"

#include "mozilla/unused.h"
#include "mozilla/ipc/BackgroundParent.h"

namespace mozilla {

using namespace ipc;

namespace dom {

namespace {
  uint64_t sSyncManagerParentId = 0;
}

SyncManagerParent::SyncManagerParent()
  : mService(SyncService::GetOrCreate())
  , mId(++sSyncManagerParentId)
  , mActorDestroyed(false)
{
  AssertIsOnBackgroundThread();

  mService->RegisterActor(this);
}

SyncManagerParent::~SyncManagerParent()
{
  AssertIsOnBackgroundThread();
}

void
SyncManagerParent::ActorDestroy(ActorDestroyReason aWhy)
{
  printf_stderr("SyncManagerParent::ActorDestroy\n");
  AssertIsOnBackgroundThread();

  mActorDestroyed = true;

  if (mService) {
    mService->UnregisterActor(this);
  }
}

bool
SyncManagerParent::RecvRequest(const nsID& aRequestId,
                               const SyncOp& aOp)
{
  AssertIsOnBackgroundThread();

  if (NS_WARN_IF(!mService)) {
    return false;
  }

  mService->Request(mId, aRequestId, aOp);

  return true;
}

bool
SyncManagerParent::RecvShutdown()
{
  printf_stderr("SyncManagerParent::RecvShutdown\n");
  AssertIsOnBackgroundThread();

  if (NS_WARN_IF(!mService)) {
    return false;
  }

  mService->UnregisterActor(this);
  mService = nullptr;

  if (!mActorDestroyed) {
    Unused << Send__delete__(this);
  }

  return true;
}

void
SyncManagerParent::NotifyResponse(const nsID& aRequestId,
                                  const SyncOpResponse& aResponse)
{
  AssertIsOnBackgroundThread();

  if (!mActorDestroyed) {
    Unused << SendResponse(aRequestId, aResponse);
  }
}

} // namespace dom
} // namespace mozilla