1// Copyright (c) 2010 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 "ppapi/cpp/resource.h"
6
7#include <algorithm>
8
9#include "ppapi/cpp/logging.h"
10#include "ppapi/cpp/module.h"
11
12namespace pp {
13
14Resource::Resource() : pp_resource_(0) {
15}
16
17Resource::Resource(const Resource& other) : pp_resource_(other.pp_resource_) {
18  if (!is_null())
19    Module::Get()->core()->AddRefResource(pp_resource_);
20}
21
22Resource::~Resource() {
23  if (!is_null())
24    Module::Get()->core()->ReleaseResource(pp_resource_);
25}
26
27Resource& Resource::operator=(const Resource& other) {
28  if (!other.is_null())
29    Module::Get()->core()->AddRefResource(other.pp_resource_);
30  if (!is_null())
31    Module::Get()->core()->ReleaseResource(pp_resource_);
32  pp_resource_ = other.pp_resource_;
33  return *this;
34}
35
36PP_Resource Resource::detach() {
37  PP_Resource ret = pp_resource_;
38  pp_resource_ = 0;
39  return ret;
40}
41
42Resource::Resource(PP_Resource resource) : pp_resource_(resource) {
43  if (!is_null())
44    Module::Get()->core()->AddRefResource(pp_resource_);
45}
46
47Resource::Resource(PassRef, PP_Resource resource) : pp_resource_(resource) {
48}
49
50void Resource::PassRefFromConstructor(PP_Resource resource) {
51  PP_DCHECK(!pp_resource_);
52  pp_resource_ = resource;
53}
54
55void Resource::Clear() {
56  if (is_null())
57    return;
58  Module::Get()->core()->ReleaseResource(pp_resource_);
59  pp_resource_ = 0;
60}
61
62}  // namespace pp
63