ppb_file_ref_thunk.cc revision c2db58bd994c04d98e4ee2cd7565b71548655fe3 
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_file_info.h"
6#include "ppapi/c/ppb_file_ref.h"
7#include "ppapi/c/pp_completion_callback.h"
8#include "ppapi/c/pp_errors.h"
9#include "ppapi/c/private/ppb_file_ref_private.h"
10#include "ppapi/shared_impl/proxy_lock.h"
11#include "ppapi/shared_impl/tracked_callback.h"
12#include "ppapi/thunk/enter.h"
13#include "ppapi/thunk/thunk.h"
14#include "ppapi/thunk/ppb_file_ref_api.h"
15#include "ppapi/thunk/ppb_file_system_api.h"
16#include "ppapi/thunk/resource_creation_api.h"
17
18namespace ppapi {
19namespace thunk {
20
21namespace {
22
23typedef EnterResource<PPB_FileRef_API> EnterFileRef;
24
25PP_Resource Create(PP_Resource file_system, const char* path) {
26  VLOG(4) << "PPB_FileRef::Create()";
27  ppapi::ProxyAutoLock lock;
28  EnterResourceNoLock<PPB_FileSystem_API> enter_file_system(file_system, true);
29  if (enter_file_system.failed())
30    return 0;
31  PP_Instance instance = enter_file_system.resource()->pp_instance();
32  EnterResourceCreationNoLock enter(instance);
33  if (enter.failed())
34    return 0;
35  return enter.functions()->CreateFileRef(instance, file_system, path);
36}
37
38PP_Bool IsFileRef(PP_Resource resource) {
39  VLOG(4) << "PPB_FileRef::IsFileRef()";
40  EnterFileRef enter(resource, false);
41  return PP_FromBool(enter.succeeded());
42}
43
44PP_FileSystemType GetFileSystemType(PP_Resource file_ref) {
45  VLOG(4) << "PPB_FileRef::GetFileSystemType()";
46  EnterFileRef enter(file_ref, true);
47  if (enter.failed())
48    return PP_FILESYSTEMTYPE_INVALID;
49  return enter.object()->GetFileSystemType();
50}
51
52PP_Var GetName(PP_Resource file_ref) {
53  VLOG(4) << "PPB_FileRef::GetName()";
54  EnterFileRef enter(file_ref, true);
55  if (enter.failed())
56    return PP_MakeUndefined();
57  return enter.object()->GetName();
58}
59
60PP_Var GetPath(PP_Resource file_ref) {
61  VLOG(4) << "PPB_FileRef::GetPath()";
62  EnterFileRef enter(file_ref, true);
63  if (enter.failed())
64    return PP_MakeUndefined();
65  return enter.object()->GetPath();
66}
67
68PP_Resource GetParent(PP_Resource file_ref) {
69  VLOG(4) << "PPB_FileRef::GetParent()";
70  EnterFileRef enter(file_ref, true);
71  if (enter.failed())
72    return 0;
73  return enter.object()->GetParent();
74}
75
76int32_t MakeDirectory(PP_Resource directory_ref,
77                      PP_Bool make_ancestors,
78                      PP_CompletionCallback callback) {
79  VLOG(4) << "PPB_FileRef::MakeDirectory()";
80  EnterFileRef enter(directory_ref, callback, true);
81  if (enter.failed())
82    return enter.retval();
83  return enter.SetResult(enter.object()->MakeDirectory(make_ancestors,
84                                                       enter.callback()));
85}
86
87int32_t Touch(PP_Resource file_ref,
88              PP_Time last_access_time,
89              PP_Time last_modified_time,
90              PP_CompletionCallback callback) {
91  VLOG(4) << "PPB_FileRef::Touch()";
92  EnterFileRef enter(file_ref, callback, true);
93  if (enter.failed())
94    return enter.retval();
95  return enter.SetResult(enter.object()->Touch(
96      last_access_time, last_modified_time, enter.callback()));
97}
98
99int32_t Delete(PP_Resource file_ref,
100               PP_CompletionCallback callback) {
101  VLOG(4) << "PPB_FileRef::Delete()";
102  EnterFileRef enter(file_ref, callback, true);
103  if (enter.failed())
104    return enter.retval();
105  return enter.SetResult(enter.object()->Delete(enter.callback()));
106}
107
108int32_t Rename(PP_Resource file_ref,
109               PP_Resource new_file_ref,
110               PP_CompletionCallback callback) {
111  VLOG(4) << "PPB_FileRef::Rename()";
112  EnterFileRef enter(file_ref, callback, true);
113  if (enter.failed())
114    return enter.retval();
115  return enter.SetResult(enter.object()->Rename(new_file_ref,
116                                                enter.callback()));
117}
118
119int32_t Query(PP_Resource file_ref,
120              PP_FileInfo* info,
121              PP_CompletionCallback callback) {
122  VLOG(4) << "PPB_FileRef::Query()";
123  EnterFileRef enter(file_ref, callback, true);
124  if (enter.failed())
125    return enter.retval();
126  return enter.SetResult(enter.object()->Query(info,
127                                               enter.callback()));
128}
129
130int32_t ReadDirectoryEntries(PP_Resource file_ref,
131                             PP_ArrayOutput output,
132                             PP_CompletionCallback callback) {
133  EnterFileRef enter(file_ref, callback, true);
134  if (enter.failed())
135    return enter.retval();
136  return enter.SetResult(enter.object()->ReadDirectoryEntries(
137      output, enter.callback()));
138}
139
140PP_Var GetAbsolutePath(PP_Resource file_ref) {
141  VLOG(4) << "PPB_FileRef::GetAbsolutePath";
142  EnterFileRef enter(file_ref, true);
143  if (enter.failed())
144    return PP_MakeUndefined();
145  return enter.object()->GetAbsolutePath();
146}
147
148const PPB_FileRef_1_0 g_ppb_file_ref_thunk_1_0 = {
149  &Create,
150  &IsFileRef,
151  &GetFileSystemType,
152  &GetName,
153  &GetPath,
154  &GetParent,
155  &MakeDirectory,
156  &Touch,
157  &Delete,
158  &Rename
159};
160
161const PPB_FileRef_1_1 g_ppb_file_ref_thunk_1_1 = {
162  &Create,
163  &IsFileRef,
164  &GetFileSystemType,
165  &GetName,
166  &GetPath,
167  &GetParent,
168  &MakeDirectory,
169  &Touch,
170  &Delete,
171  &Rename,
172  &Query,
173  &ReadDirectoryEntries
174};
175
176const PPB_FileRefPrivate g_ppb_file_ref_private_thunk = {
177  &GetAbsolutePath
178};
179
180}  // namespace
181
182const PPB_FileRef_1_0* GetPPB_FileRef_1_0_Thunk() {
183  return &g_ppb_file_ref_thunk_1_0;
184}
185
186const PPB_FileRef_1_1* GetPPB_FileRef_1_1_Thunk() {
187  return &g_ppb_file_ref_thunk_1_1;
188}
189
190const PPB_FileRefPrivate_0_1* GetPPB_FileRefPrivate_0_1_Thunk() {
191  return &g_ppb_file_ref_private_thunk;
192}
193
194}  // namespace thunk
195}  // namespace ppapi
196