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// Copyright 2022 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/worker/service_worker_registration_object.h"
#include <string>
#include "cobalt/worker/service_worker_update_via_cache.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace cobalt {
namespace worker {
ServiceWorkerRegistrationObject::ServiceWorkerRegistrationObject(
const url::Origin& storage_key, const GURL& scope_url,
const ServiceWorkerUpdateViaCache& update_via_cache_mode)
: storage_key_(storage_key),
scope_url_(scope_url),
update_via_cache_mode_(update_via_cache_mode),
last_update_check_time_(base::Time()) {}
ServiceWorkerRegistrationObject::~ServiceWorkerRegistrationObject() {
AbortAll();
}
void ServiceWorkerRegistrationObject::AbortAll() {
if (installing_worker()) {
installing_worker()->Abort();
}
if (waiting_worker()) {
waiting_worker()->Abort();
}
if (active_worker()) {
active_worker()->Abort();
}
}
scoped_refptr<ServiceWorkerObject>
ServiceWorkerRegistrationObject::GetNewestWorker() {
// Algorithm for Get Newest Worker:
// https://www.w3.org/TR/2022/CRD-service-workers-20220712/#get-newest-worker
// 1. Run the following steps atomically.
base::AutoLock lock(mutex_);
if (installing_worker_) {
// 3. If registration’s installing worker is not null, set newestWorker to
// registration’s installing worker.
// 6. Return newestWorker.
return installing_worker_;
} else if (waiting_worker_) {
// 4. Else if registration’s waiting worker is not null, set newestWorker to
// registration’s waiting worker.
// 6. Return newestWorker.
return waiting_worker_;
} else if (active_worker_) {
// 5. Else if registration’s active worker is not null, set newestWorker to
// registration’s active worker.
// 6. Return newestWorker.
return active_worker_;
}
// 2. Let newestWorker be null.
// 6. Return newestWorker.
return nullptr;
}
} // namespace worker
} // namespace cobalt