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 class ServiceWorkerRegisterJobBase {
  11  public:
  12   enum RegistrationJobType {
  13     REGISTRATION_JOB,
  14     UNREGISTRATION_JOB,
  15     UPDATE_JOB
  16   };
  17
  18   virtual ~ServiceWorkerRegisterJobBase() {}
  19
  20   // Starts the job. This method should be called once and only once per job.
  21   virtual void Start() = 0;
  22
  23   // Aborts the job. This method should be called once and only once per job.
  24   // It can be called regardless of whether Start() was called.
  25   virtual void Abort() = 0;
  26
  27   // Returns true if this job is identical to |job| for the purpose of
  28   // collapsing them together in a ServiceWorkerJobCoordinator queue.
  29   // Registration jobs are equal if they are for the same pattern and script
  30   // URL; unregistration jobs are equal if they are for the same pattern.
  31   virtual bool Equals(ServiceWorkerRegisterJobBase* job) const = 0;
  32
  33   // Returns the type of this job.
  34   virtual RegistrationJobType GetType() const = 0;
  35 };
  36
  37 }  // namespace content
  38
  39 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_BASE_H_