content/browser/service_worker/service_worker_unregister_job.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_UNREGISTER_JOB_H_
   6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_UNREGISTER_JOB_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/weak_ptr.h"
  11 #include "content/browser/service_worker/service_worker_register_job_base.h"
  12 #include "content/common/service_worker/service_worker_status_code.h"
  13 #include "url/gurl.h"
  14
  15 namespace content {
  16
  17 class EmbeddedWorkerRegistry;
  18 class ServiceWorkerContextCore;
  19 class ServiceWorkerJobCoordinator;
  20 class ServiceWorkerRegistration;
  21 class ServiceWorkerStorage;
  22
  23 // Handles the unregistration of a Service Worker.
  24 //
  25 // The unregistration process is primarily cleanup, removing everything that was
  26 // created during the registration process, including the
  27 // ServiceWorkerRegistration itself.
  28 class ServiceWorkerUnregisterJob : public ServiceWorkerRegisterJobBase {
  29  public:
  30   typedef base::Callback<void(ServiceWorkerStatusCode status)>
  31       UnregistrationCallback;
  32
  33   ServiceWorkerUnregisterJob(base::WeakPtr<ServiceWorkerContextCore> context,
  34                              const GURL& pattern);
  35   virtual ~ServiceWorkerUnregisterJob();
  36
  37   // Registers a callback to be called when the job completes (whether
  38   // successfully or not). Multiple callbacks may be registered.
  39   void AddCallback(const UnregistrationCallback& callback);
  40
  41   // ServiceWorkerRegisterJobBase implementation:
  42   virtual void Start() OVERRIDE;
  43   virtual void Abort() OVERRIDE;
  44   virtual bool Equals(ServiceWorkerRegisterJobBase* job) OVERRIDE;
  45   virtual RegistrationJobType GetType() OVERRIDE;
  46
  47  private:
  48   void OnRegistrationFound(
  49       ServiceWorkerStatusCode status,
  50       const scoped_refptr<ServiceWorkerRegistration>& registration);
  51   void Complete(ServiceWorkerStatusCode status);
  52   void CompleteInternal(ServiceWorkerStatusCode status);
  53   void ResolvePromise(ServiceWorkerStatusCode status);
  54
  55   base::WeakPtr<ServiceWorkerContextCore> context_;
  56   const GURL pattern_;
  57   std::vector<UnregistrationCallback> callbacks_;
  58   bool is_promise_resolved_;
  59   base::WeakPtrFactory<ServiceWorkerUnregisterJob> weak_factory_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerUnregisterJob);
  62 };
  63 }  // namespace content
  64
  65 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_UNREGISTER_JOB_H_