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/* -*- 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 "ServiceWorkerChild.h"
#include "ServiceWorker.h"
#include "mozilla/dom/WorkerCommon.h"
#include "mozilla/dom/WorkerRef.h"
namespace mozilla::dom {
void ServiceWorkerChild::ActorDestroy(ActorDestroyReason aReason) {
mIPCWorkerRef = nullptr;
if (mOwner) {
mOwner->RevokeActor(this);
MOZ_DIAGNOSTIC_ASSERT(!mOwner);
}
}
// static
RefPtr<ServiceWorkerChild> ServiceWorkerChild::Create() {
RefPtr<ServiceWorkerChild> actor = new ServiceWorkerChild();
if (!NS_IsMainThread()) {
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_DIAGNOSTIC_ASSERT(workerPrivate);
RefPtr<IPCWorkerRefHelper<ServiceWorkerChild>> helper =
new IPCWorkerRefHelper<ServiceWorkerChild>(actor);
actor->mIPCWorkerRef = IPCWorkerRef::Create(
workerPrivate, "ServiceWorkerChild",
[helper] { helper->Actor()->MaybeStartTeardown(); });
if (NS_WARN_IF(!actor->mIPCWorkerRef)) {
return nullptr;
}
}
return actor;
}
ServiceWorkerChild::ServiceWorkerChild()
: mOwner(nullptr), mTeardownStarted(false) {}
void ServiceWorkerChild::SetOwner(ServiceWorker* aOwner) {
MOZ_DIAGNOSTIC_ASSERT(!mOwner);
MOZ_DIAGNOSTIC_ASSERT(aOwner);
mOwner = aOwner;
}
void ServiceWorkerChild::RevokeOwner(ServiceWorker* aOwner) {
MOZ_DIAGNOSTIC_ASSERT(mOwner);
MOZ_DIAGNOSTIC_ASSERT(aOwner == mOwner);
mOwner = nullptr;
}
void ServiceWorkerChild::MaybeStartTeardown() {
if (mTeardownStarted) {
return;
}
mTeardownStarted = true;
Unused << SendTeardown();
}
} // namespace mozilla::dom
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