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      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
     50