gecko-dev/dom/serviceworkers/ServiceWorkerChild.cpp

57 строки
1.5 KiB
C++

/* -*- 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"
namespace mozilla {
namespace dom {
void ServiceWorkerChild::ActorDestroy(ActorDestroyReason aReason) {
if (mWorkerHolderToken) {
mWorkerHolderToken->RemoveListener(this);
mWorkerHolderToken = nullptr;
}
if (mOwner) {
mOwner->RevokeActor(this);
MOZ_DIAGNOSTIC_ASSERT(!mOwner);
}
}
void ServiceWorkerChild::WorkerShuttingDown() { MaybeStartTeardown(); }
ServiceWorkerChild::ServiceWorkerChild(WorkerHolderToken* aWorkerHolderToken)
: mWorkerHolderToken(aWorkerHolderToken),
mOwner(nullptr),
mTeardownStarted(false) {
if (mWorkerHolderToken) {
mWorkerHolderToken->AddListener(this);
}
}
void ServiceWorkerChild::SetOwner(RemoteServiceWorkerImpl* aOwner) {
MOZ_DIAGNOSTIC_ASSERT(!mOwner);
MOZ_DIAGNOSTIC_ASSERT(aOwner);
mOwner = aOwner;
}
void ServiceWorkerChild::RevokeOwner(RemoteServiceWorkerImpl* aOwner) {
MOZ_DIAGNOSTIC_ASSERT(mOwner);
MOZ_DIAGNOSTIC_ASSERT(aOwner == mOwner);
mOwner = nullptr;
}
void ServiceWorkerChild::MaybeStartTeardown() {
if (mTeardownStarted) {
return;
}
mTeardownStarted = true;
Unused << SendTeardown();
}
} // namespace dom
} // namespace mozilla