| // 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_REGISTRATION_HANDLE_H_ |
| #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_HANDLE_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/browser/service_worker/service_worker_registration.h" |
| #include "content/browser/service_worker/service_worker_version.h" |
| #include "content/common/service_worker/service_worker_types.h" |
| |
| namespace content { |
| |
| class ServiceWorkerContextCore; |
| class ServiceWorkerDispatcherHost; |
| class ServiceWorkerVersion; |
| |
| // Roughly Corresponds to one ServiceWorkerRegistration object in the renderer |
| // process (WebServiceWorkerRegistrationImpl). |
| // Has references to the corresponding ServiceWorkerRegistration and |
| // ServiceWorkerVersions (therefore they're guaranteed to be alive while this |
| // handle is around). |
| class ServiceWorkerRegistrationHandle |
| : public ServiceWorkerRegistration::Listener { |
| public: |
| CONTENT_EXPORT ServiceWorkerRegistrationHandle( |
| base::WeakPtr<ServiceWorkerContextCore> context, |
| ServiceWorkerDispatcherHost* dispatcher_host, |
| int provider_id, |
| ServiceWorkerRegistration* registration); |
| virtual ~ServiceWorkerRegistrationHandle(); |
| |
| bool HasNoRefCount() const { return ref_count_ <= 0; } |
| void IncrementRefCount(); |
| void DecrementRefCount(); |
| |
| int provider_id() const { return provider_id_; } |
| int handle_id() const { return handle_id_; } |
| |
| ServiceWorkerRegistration* registration() { return registration_.get(); } |
| |
| private: |
| // ServiceWorkerRegistration::Listener overrides. |
| virtual void OnVersionAttributesChanged( |
| ServiceWorkerRegistration* registration, |
| ChangedVersionAttributesMask changed_mask, |
| const ServiceWorkerRegistrationInfo& info) OVERRIDE; |
| virtual void OnRegistrationFailed( |
| ServiceWorkerRegistration* registration) OVERRIDE; |
| |
| // Sets the corresponding version field to the given version or if the given |
| // version is NULL, clears the field. |
| void SetVersionAttributes( |
| ServiceWorkerVersion* installing_version, |
| ServiceWorkerVersion* waiting_version, |
| ServiceWorkerVersion* active_version); |
| |
| // Clears all version fields. |
| void ClearVersionAttributes(); |
| |
| ServiceWorkerObjectInfo CreateServiceWorkerHandleAndPass( |
| ServiceWorkerVersion* version); |
| |
| base::WeakPtr<ServiceWorkerContextCore> context_; |
| ServiceWorkerDispatcherHost* dispatcher_host_; |
| const int provider_id_; |
| const int handle_id_; |
| int ref_count_; // Created with 1. |
| |
| scoped_refptr<ServiceWorkerRegistration> registration_; |
| scoped_refptr<ServiceWorkerVersion> installing_version_; |
| scoped_refptr<ServiceWorkerVersion> waiting_version_; |
| scoped_refptr<ServiceWorkerVersion> active_version_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRegistrationHandle); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTRATION_HANDLE_H_ |