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_CHILD_SERVICE_WORKER_SERVICE_WORKER_HANDLE_REFERENCE_H_ 6#define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_HANDLE_REFERENCE_H_ 7 8#include "base/memory/ref_counted.h" 9#include "base/memory/scoped_ptr.h" 10#include "content/common/service_worker/service_worker_types.h" 11 12namespace content { 13 14class ThreadSafeSender; 15 16// Automatically increments and decrements ServiceWorkerHandle's ref-count 17// (in the browser side) in ctor and dtor. 18class ServiceWorkerHandleReference { 19 public: 20 // Creates a new ServiceWorkerHandleReference and increments ref-count. 21 static scoped_ptr<ServiceWorkerHandleReference> Create( 22 const ServiceWorkerObjectInfo& info, 23 ThreadSafeSender* sender); 24 25 // Creates a new ServiceWorkerHandleReference by adopting a 26 // ref-count. ServiceWorkerHandleReferences created this way must 27 // have a matching 28 // ServiceWorkerDispatcherHost::RegisterServiceWorkerHandle call on 29 // the browser side. 30 static scoped_ptr<ServiceWorkerHandleReference> Adopt( 31 const ServiceWorkerObjectInfo& info, 32 ThreadSafeSender* sender); 33 34 ~ServiceWorkerHandleReference(); 35 36 const ServiceWorkerObjectInfo& info() const { return info_; } 37 int handle_id() const { return info_.handle_id; } 38 const GURL& scope() const { return info_.scope; } 39 const GURL& url() const { return info_.url; } 40 blink::WebServiceWorkerState state() const { return info_.state; } 41 void set_state(blink::WebServiceWorkerState state) { info_.state = state; } 42 43 private: 44 ServiceWorkerHandleReference(const ServiceWorkerObjectInfo& info, 45 ThreadSafeSender* sender, 46 bool increment_ref_in_ctor); 47 ServiceWorkerObjectInfo info_; 48 scoped_refptr<ThreadSafeSender> sender_; 49 DISALLOW_COPY_AND_ASSIGN(ServiceWorkerHandleReference); 50}; 51 52} // namespace content 53 54#endif // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_HANDLE_REFERENCE_H_ 55