content/child/service_worker/service_worker_handle_reference.cc

   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 #include "content/child/service_worker/service_worker_handle_reference.h"
   6
   7 #include "content/child/thread_safe_sender.h"
   8 #include "content/common/service_worker/service_worker_messages.h"
   9
  10 namespace content {
  11
  12 scoped_ptr<ServiceWorkerHandleReference>
  13 ServiceWorkerHandleReference::Create(
  14     const ServiceWorkerObjectInfo& info,
  15     ThreadSafeSender* sender) {
  16   DCHECK(sender);
  17   return make_scoped_ptr(new ServiceWorkerHandleReference(info, sender, true));
  18 }
  19
  20 scoped_ptr<ServiceWorkerHandleReference> ServiceWorkerHandleReference::Adopt(
  21     const ServiceWorkerObjectInfo& info,
  22     ThreadSafeSender* sender) {
  23   DCHECK(sender);
  24   return make_scoped_ptr(new ServiceWorkerHandleReference(info, sender, false));
  25 }
  26
  27 ServiceWorkerHandleReference::ServiceWorkerHandleReference(
  28     const ServiceWorkerObjectInfo& info,
  29     ThreadSafeSender* sender,
  30     bool increment_ref_in_ctor)
  31     : info_(info),
  32       sender_(sender) {
  33   if (increment_ref_in_ctor &&
  34       info_.handle_id != kInvalidServiceWorkerHandleId) {
  35     sender_->Send(
  36         new ServiceWorkerHostMsg_IncrementServiceWorkerRefCount(
  37             info_.handle_id));
  38   }
  39 }
  40
  41 ServiceWorkerHandleReference::~ServiceWorkerHandleReference() {
  42   if (info_.handle_id != kInvalidServiceWorkerHandleId) {
  43     sender_->Send(
  44         new ServiceWorkerHostMsg_DecrementServiceWorkerRefCount(
  45             info_.handle_id));
  46   }
  47 }
  48
  49 }  // namespace content