gecko-dev/dom/serviceworkers/ServiceWorkerRegistrationCh...

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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 "ServiceWorkerRegistrationChild.h"
#include "RemoteServiceWorkerRegistrationImpl.h"
namespace mozilla {
namespace dom {
using mozilla::ipc::IPCResult;
void
ServiceWorkerRegistrationChild::ActorDestroy(ActorDestroyReason aReason)
{
if (mWorkerHolderToken) {
mWorkerHolderToken->RemoveListener(this);
mWorkerHolderToken = nullptr;
}
if (mOwner) {
mOwner->RevokeActor(this);
MOZ_DIAGNOSTIC_ASSERT(!mOwner);
}
}
IPCResult
ServiceWorkerRegistrationChild::RecvUpdateState(const IPCServiceWorkerRegistrationDescriptor& aDescriptor)
{
if (mOwner) {
mOwner->UpdateState(ServiceWorkerRegistrationDescriptor(aDescriptor));
}
return IPC_OK();
}
void
ServiceWorkerRegistrationChild::WorkerShuttingDown()
{
MaybeStartTeardown();
}
ServiceWorkerRegistrationChild::ServiceWorkerRegistrationChild(WorkerHolderToken* aWorkerHolderToken)
: mWorkerHolderToken(aWorkerHolderToken)
, mOwner(nullptr)
, mTeardownStarted(false)
{
if (mWorkerHolderToken) {
mWorkerHolderToken->AddListener(this);
}
}
void
ServiceWorkerRegistrationChild::SetOwner(RemoteServiceWorkerRegistrationImpl* aOwner)
{
MOZ_DIAGNOSTIC_ASSERT(!mOwner);
MOZ_DIAGNOSTIC_ASSERT(aOwner);
mOwner = aOwner;
}
void
ServiceWorkerRegistrationChild::RevokeOwner(RemoteServiceWorkerRegistrationImpl* aOwner)
{
MOZ_DIAGNOSTIC_ASSERT(mOwner);
MOZ_DIAGNOSTIC_ASSERT(aOwner == mOwner);
mOwner = nullptr;
}
void
ServiceWorkerRegistrationChild::MaybeStartTeardown()
{
if (mTeardownStarted) {
return;
}
mTeardownStarted = true;
Unused << SendTeardown();
}
} // namespace dom
} // namespace mozilla