content/browser/service_worker/service_worker_register_job_base.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_BASE_H_
   6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_BASE_H_
   7
   8 namespace content {
   9
  10 // A base class for ServiceWorkerRegisterJob and ServiceWorkerUnregisterJob. A
  11 // job lives only for the lifetime of a single registration or unregistration.
  12 class ServiceWorkerRegisterJobBase {
  13  public:
  14   enum RegistrationJobType { REGISTRATION, UNREGISTRATION, };
  15
  16   virtual ~ServiceWorkerRegisterJobBase() {}
  17
  18   // Starts the job. This method should be called once and only once per job.
  19   virtual void Start() = 0;
  20
  21   // Returns true if this job is identical to |job| for the purpose of
  22   // collapsing them together in a ServiceWorkerJobCoordinator queue.
  23   // Registration jobs are equal if they are for the same pattern and script
  24   // URL; unregistration jobs are equal if they are for the same pattern.
  25   virtual bool Equals(ServiceWorkerRegisterJobBase* job) = 0;
  26
  27   // Returns the type of this job.
  28   virtual RegistrationJobType GetType() = 0;
  29 };
  30
  31 }  // namespace content
  32
  33 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_BASE_H_