gecko-dev/dom/serviceworkers/RemoteServiceWorkerImpl.cpp
2019-07-12 11:16:52 +00:00

117 lines
3.1 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 "RemoteServiceWorkerImpl.h"
#include "mozilla/dom/ClientInfo.h"
#include "mozilla/dom/ClientState.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/PBackgroundChild.h"
#include "ServiceWorkerChild.h"
#include "ServiceWorkerCloneData.h"
namespace mozilla {
namespace dom {
using mozilla::ipc::BackgroundChild;
using mozilla::ipc::PBackgroundChild;
RemoteServiceWorkerImpl::~RemoteServiceWorkerImpl() {
MOZ_DIAGNOSTIC_ASSERT(!mWorker);
Shutdown();
}
void RemoteServiceWorkerImpl::Shutdown() {
if (mShutdown) {
return;
}
mShutdown = true;
if (mActor) {
mActor->RevokeOwner(this);
mActor->MaybeStartTeardown();
mActor = nullptr;
}
}
void RemoteServiceWorkerImpl::AddServiceWorker(ServiceWorker* aWorker) {
NS_ASSERT_OWNINGTHREAD(RemoteServiceWorkerImpl);
MOZ_DIAGNOSTIC_ASSERT(!mWorker);
MOZ_DIAGNOSTIC_ASSERT(aWorker);
mWorker = aWorker;
}
void RemoteServiceWorkerImpl::RemoveServiceWorker(ServiceWorker* aWorker) {
NS_ASSERT_OWNINGTHREAD(RemoteServiceWorkerImpl);
MOZ_DIAGNOSTIC_ASSERT(mWorker);
MOZ_DIAGNOSTIC_ASSERT(aWorker == mWorker);
mWorker = nullptr;
}
void RemoteServiceWorkerImpl::GetRegistration(
ServiceWorkerRegistrationCallback&& aSuccessCB,
ServiceWorkerFailureCallback&& aFailureCB) {
// TODO
}
void RemoteServiceWorkerImpl::PostMessage(
RefPtr<ServiceWorkerCloneData>&& aData, const ClientInfo& aClientInfo,
const ClientState& aClientState) {
NS_ASSERT_OWNINGTHREAD(RemoteServiceWorkerImpl);
if (!mActor) {
return;
}
ClonedMessageData data;
if (!aData->BuildClonedMessageDataForBackgroundChild(mActor->Manager(),
data)) {
return;
}
mActor->SendPostMessage(
data, ClientInfoAndState(aClientInfo.ToIPC(), aClientState.ToIPC()));
}
RemoteServiceWorkerImpl::RemoteServiceWorkerImpl(
const ServiceWorkerDescriptor& aDescriptor)
: mActor(nullptr), mWorker(nullptr), mShutdown(false) {
PBackgroundChild* parentActor =
BackgroundChild::GetOrCreateForCurrentThread();
if (NS_WARN_IF(!parentActor)) {
Shutdown();
return;
}
ServiceWorkerChild* actor = ServiceWorkerChild::Create();
if (NS_WARN_IF(!actor)) {
Shutdown();
return;
}
PServiceWorkerChild* sentActor =
parentActor->SendPServiceWorkerConstructor(actor, aDescriptor.ToIPC());
if (NS_WARN_IF(!sentActor)) {
Shutdown();
return;
}
MOZ_DIAGNOSTIC_ASSERT(sentActor == actor);
mActor = actor;
mActor->SetOwner(this);
}
void RemoteServiceWorkerImpl::RevokeActor(ServiceWorkerChild* aActor) {
MOZ_DIAGNOSTIC_ASSERT(mActor);
MOZ_DIAGNOSTIC_ASSERT(mActor == aActor);
mActor->RevokeOwner(this);
mActor = nullptr;
mShutdown = true;
}
} // namespace dom
} // namespace mozilla