| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_JOB_COORDINATOR_H_ |
| #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_JOB_COORDINATOR_H_ |
| |
| #include <deque> |
| #include <map> |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "content/browser/service_worker/service_worker_register_job.h" |
| #include "content/browser/service_worker/service_worker_unregister_job.h" |
| #include "content/common/content_export.h" |
| #include "url/gurl.h" |
| |
| namespace content { |
| |
| class ServiceWorkerProviderHost; |
| class ServiceWorkerRegistration; |
| |
| // This class manages all in-flight registration or unregistration jobs. |
| class CONTENT_EXPORT ServiceWorkerJobCoordinator { |
| public: |
| explicit ServiceWorkerJobCoordinator( |
| base::WeakPtr<ServiceWorkerContextCore> context); |
| ~ServiceWorkerJobCoordinator(); |
| |
| void Register(const GURL& pattern, |
| const GURL& script_url, |
| ServiceWorkerProviderHost* provider_host, |
| const ServiceWorkerRegisterJob::RegistrationCallback& callback); |
| |
| void Unregister( |
| const GURL& pattern, |
| const ServiceWorkerUnregisterJob::UnregistrationCallback& callback); |
| |
| void Update(ServiceWorkerRegistration* registration, bool force_bypass_cache); |
| |
| void Update(ServiceWorkerRegistration* registration, |
| bool force_bypass_cache, |
| bool skip_script_comparison, |
| ServiceWorkerProviderHost* provider_host, |
| const ServiceWorkerRegisterJob::RegistrationCallback& callback); |
| |
| // Calls ServiceWorkerRegisterJobBase::Abort() on all jobs and removes them. |
| void AbortAll(); |
| |
| // Removes the job. A job that was not aborted must call FinishJob when it is |
| // done. |
| void FinishJob(const GURL& pattern, ServiceWorkerRegisterJobBase* job); |
| |
| private: |
| class JobQueue { |
| public: |
| JobQueue(); |
| JobQueue(JobQueue&&); |
| ~JobQueue(); |
| |
| // Adds a job to the queue. If an identical job is already at the end of the |
| // queue, no new job is added. Returns the job in the queue, regardless of |
| // whether it was newly added. |
| ServiceWorkerRegisterJobBase* Push( |
| std::unique_ptr<ServiceWorkerRegisterJobBase> job); |
| |
| // Dooms the installing worker of the running register/update job if a |
| // register/update job is scheduled to run after it. This corresponds to |
| // the "Terminate installing worker" steps at the beginning of the spec's |
| // [[Update]] and [[Install]] algorithms. |
| void DoomInstallingWorkerIfNeeded(); |
| |
| // Starts the first job in the queue. |
| void StartOneJob(); |
| |
| // Removes a job from the queue. |
| void Pop(ServiceWorkerRegisterJobBase* job); |
| |
| bool empty() { return jobs_.empty(); } |
| |
| // Aborts all jobs in the queue and removes them. |
| void AbortAll(); |
| |
| // Marks that the browser is shutting down, so jobs may be destroyed before |
| // finishing. |
| void ClearForShutdown(); |
| |
| private: |
| std::deque<std::unique_ptr<ServiceWorkerRegisterJobBase>> jobs_; |
| |
| DISALLOW_COPY_AND_ASSIGN(JobQueue); |
| }; |
| |
| // The ServiceWorkerContextCore object should always outlive the |
| // job coordinator, the core owns the coordinator. |
| base::WeakPtr<ServiceWorkerContextCore> context_; |
| std::map<GURL, JobQueue> job_queues_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ServiceWorkerJobCoordinator); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_JOB_COORDINATOR_H_ |