gecko-dev/dom/serviceworkers/ServiceWorkerRegisterJob.cpp

81 строка
2.5 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 "ServiceWorkerRegisterJob.h"
#include "mozilla/dom/WorkerCommon.h"
namespace mozilla {
namespace dom {
ServiceWorkerRegisterJob::ServiceWorkerRegisterJob(
nsIPrincipal* aPrincipal,
const nsACString& aScope,
const nsACString& aScriptSpec,
nsILoadGroup* aLoadGroup,
ServiceWorkerUpdateViaCache aUpdateViaCache)
: ServiceWorkerUpdateJob(Type::Register, aPrincipal, aScope, aScriptSpec,
aLoadGroup, aUpdateViaCache)
{
}
void
ServiceWorkerRegisterJob::AsyncExecute()
{
MOZ_ASSERT(NS_IsMainThread());
RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
if (Canceled() || !swm) {
FailUpdateJob(NS_ERROR_DOM_ABORT_ERR);
return;
}
RefPtr<ServiceWorkerRegistrationInfo> registration =
swm->GetRegistration(mPrincipal, mScope);
if (registration) {
bool sameUVC = GetUpdateViaCache() == registration->GetUpdateViaCache();
registration->SetUpdateViaCache(GetUpdateViaCache());
// If we are resurrecting an uninstalling registration, then persist
// it to disk again. We preemptively removed it earlier during
// unregister so that closing the window by shutting down the browser
// results in the registration being gone on restart.
if (registration->IsPendingUninstall()) {
registration->ClearPendingUninstall();
swm->StoreRegistration(mPrincipal, registration);
// Its possible that a ready promise is created between when the
// uninstalling flag is set and when we resurrect the registration
// here. In that case we might need to fire the ready promise
// now.
swm->CheckPendingReadyPromises();
}
RefPtr<ServiceWorkerInfo> newest = registration->Newest();
if (newest && mScriptSpec.Equals(newest->ScriptSpec()) && sameUVC) {
SetRegistration(registration);
Finish(NS_OK);
return;
}
} else {
registration = swm->CreateNewRegistration(mScope, mPrincipal,
GetUpdateViaCache());
if (!registration) {
FailUpdateJob(NS_ERROR_DOM_ABORT_ERR);
return;
}
}
SetRegistration(registration);
Update();
}
ServiceWorkerRegisterJob::~ServiceWorkerRegisterJob()
{
}
} // namespace dom
} // namespace mozilla