gecko-dev/dom/workers/ServiceWorker.cpp

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* 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 "ServiceWorker.h"

#include "nsPIDOMWindow.h"
#include "SharedWorker.h"
#include "WorkerPrivate.h"

#include "mozilla/dom/Promise.h"

using namespace mozilla::dom;
USING_WORKERS_NAMESPACE

ServiceWorker::ServiceWorker(nsPIDOMWindow* aWindow,
                             SharedWorker* aSharedWorker)
  : DOMEventTargetHelper(aWindow),
    mState(ServiceWorkerState::Installing),
    mSharedWorker(aSharedWorker)
{
  AssertIsOnMainThread();
  MOZ_ASSERT(mSharedWorker);
}

ServiceWorker::~ServiceWorker()
{
  AssertIsOnMainThread();
}

NS_IMPL_ADDREF_INHERITED(ServiceWorker, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(ServiceWorker, DOMEventTargetHelper)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(ServiceWorker)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)

NS_IMPL_CYCLE_COLLECTION_INHERITED(ServiceWorker, DOMEventTargetHelper,
                                   mSharedWorker)

JSObject*
ServiceWorker::WrapObject(JSContext* aCx)
{
  AssertIsOnMainThread();

  return ServiceWorkerBinding::Wrap(aCx, this);
}

WorkerPrivate*
ServiceWorker::GetWorkerPrivate() const
{
  // At some point in the future, this may be optimized to terminate a worker
  // that hasn't been used in a certain amount of time or when there is memory
  // pressure or similar.
  MOZ_ASSERT(mSharedWorker);
  return mSharedWorker->GetWorkerPrivate();
}