src/content/child/service_worker/service_worker_handle_reference.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_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
  12 namespace content {
  13
  14 class ThreadSafeSender;
  15
  16 // Automatically increments and decrements ServiceWorkerHandle's ref-count
  17 // (in the browser side) in ctor and dtor.
  18 class 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   // This doesn't increment ref-count in ctor.
  25   static scoped_ptr<ServiceWorkerHandleReference> CreateForDeleter(
  26       const ServiceWorkerObjectInfo& info,
  27       ThreadSafeSender* sender);
  28
  29   ~ServiceWorkerHandleReference();
  30
  31   const ServiceWorkerObjectInfo& info() const { return info_; }
  32   int handle_id() const { return info_.handle_id; }
  33   const GURL& scope() const { return info_.scope; }
  34   const GURL& url() const { return info_.url; }
  35   blink::WebServiceWorkerState state() const { return info_.state; }
  36   void set_state(blink::WebServiceWorkerState state) { info_.state = state; }
  37
  38  private:
  39   ServiceWorkerHandleReference(const ServiceWorkerObjectInfo& info,
  40                                ThreadSafeSender* sender,
  41                                bool increment_ref_in_ctor);
  42   ServiceWorkerObjectInfo info_;
  43   scoped_refptr<ThreadSafeSender> sender_;
  44   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerHandleReference);
  45 };
  46
  47 }  // namespace content
  48
  49 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_HANDLE_REFERENCE_H_