| // 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 |