ppb_url_loader_thunk.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Copyright (c) 2012 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/c/pp_completion_callback.h"
6#include "ppapi/c/pp_errors.h"
7#include "ppapi/shared_impl/tracked_callback.h"
8#include "ppapi/thunk/enter.h"
9#include "ppapi/thunk/thunk.h"
10#include "ppapi/thunk/ppb_url_loader_api.h"
11#include "ppapi/thunk/resource_creation_api.h"
12
13namespace ppapi {
14namespace thunk {
15
16namespace {
17
18typedef EnterResource<PPB_URLLoader_API> EnterURLLoader;
19
20PP_Resource Create(PP_Instance instance) {
21  EnterResourceCreation enter(instance);
22  if (enter.failed())
23    return 0;
24  return enter.functions()->CreateURLLoader(instance);
25}
26
27PP_Bool IsURLLoader(PP_Resource resource) {
28  EnterURLLoader enter(resource, false);
29  return PP_FromBool(enter.succeeded());
30}
31
32int32_t Open(PP_Resource loader,
33             PP_Resource request_id,
34             PP_CompletionCallback callback) {
35  EnterURLLoader enter(loader, callback, true);
36  if (enter.failed())
37    return enter.retval();
38  return enter.SetResult(enter.object()->Open(request_id, enter.callback()));
39}
40
41int32_t FollowRedirect(PP_Resource loader,
42                       PP_CompletionCallback callback) {
43  EnterURLLoader enter(loader, callback, true);
44  if (enter.failed())
45    return enter.retval();
46  return enter.SetResult(enter.object()->FollowRedirect(enter.callback()));
47}
48
49PP_Bool GetUploadProgress(PP_Resource loader,
50                          int64_t* bytes_sent,
51                          int64_t* total_bytes_to_be_sent) {
52  EnterURLLoader enter(loader, true);
53  if (enter.failed()) {
54    *bytes_sent = 0;
55    *total_bytes_to_be_sent = 0;
56    return PP_FALSE;
57  }
58  return enter.object()->GetUploadProgress(bytes_sent,
59                                           total_bytes_to_be_sent);
60}
61
62PP_Bool GetDownloadProgress(PP_Resource loader,
63                            int64_t* bytes_received,
64                            int64_t* total_bytes_to_be_received) {
65  EnterURLLoader enter(loader, true);
66  if (enter.failed()) {
67    *bytes_received = 0;
68    *total_bytes_to_be_received = 0;
69    return PP_FALSE;
70  }
71  return enter.object()->GetDownloadProgress(bytes_received,
72                                             total_bytes_to_be_received);
73}
74
75PP_Resource GetResponseInfo(PP_Resource loader) {
76  EnterURLLoader enter(loader, true);
77  if (enter.failed())
78    return 0;
79  return enter.object()->GetResponseInfo();
80}
81
82int32_t ReadResponseBody(PP_Resource loader,
83                         void* buffer,
84                         int32_t bytes_to_read,
85                         PP_CompletionCallback callback) {
86  EnterURLLoader enter(loader, callback, true);
87  if (enter.failed())
88    return enter.retval();
89  return enter.SetResult(enter.object()->ReadResponseBody(buffer, bytes_to_read,
90                                                          enter.callback()));
91}
92
93int32_t FinishStreamingToFile(PP_Resource loader,
94                              PP_CompletionCallback callback) {
95  EnterURLLoader enter(loader, callback, true);
96  if (enter.failed())
97    return enter.retval();
98  return enter.SetResult(
99      enter.object()->FinishStreamingToFile(enter.callback()));
100}
101
102void Close(PP_Resource loader) {
103  EnterURLLoader enter(loader, true);
104  if (enter.succeeded())
105    enter.object()->Close();
106}
107
108void GrantUniversalAccess(PP_Resource loader) {
109  EnterURLLoader enter(loader, true);
110  if (enter.succeeded())
111    enter.object()->GrantUniversalAccess();
112}
113
114void SetStatusCallback(PP_Resource loader,
115                       PP_URLLoaderTrusted_StatusCallback cb) {
116  EnterURLLoader enter(loader, true);
117  if (enter.succeeded())
118    enter.object()->SetStatusCallback(cb);
119}
120
121const PPB_URLLoader g_ppb_urlloader_thunk = {
122  &Create,
123  &IsURLLoader,
124  &Open,
125  &FollowRedirect,
126  &GetUploadProgress,
127  &GetDownloadProgress,
128  &GetResponseInfo,
129  &ReadResponseBody,
130  &FinishStreamingToFile,
131  &Close
132};
133
134const PPB_URLLoaderTrusted g_ppb_urlloader_trusted_thunk = {
135  &GrantUniversalAccess,
136  &SetStatusCallback
137};
138
139}  // namespace
140
141const PPB_URLLoader_1_0* GetPPB_URLLoader_1_0_Thunk() {
142  return &g_ppb_urlloader_thunk;
143}
144
145const PPB_URLLoaderTrusted_0_3* GetPPB_URLLoaderTrusted_0_3_Thunk() {
146  return &g_ppb_urlloader_trusted_thunk;
147}
148
149}  // namespace thunk
150}  // namespace ppapi
151