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/cpp/file_system.h"
6
7#include "ppapi/c/pp_errors.h"
8#include "ppapi/c/ppb_file_system.h"
9#include "ppapi/cpp/completion_callback.h"
10#include "ppapi/cpp/file_ref.h"
11#include "ppapi/cpp/instance_handle.h"
12#include "ppapi/cpp/logging.h"
13#include "ppapi/cpp/module.h"
14#include "ppapi/cpp/module_impl.h"
15
16namespace pp {
17
18namespace {
19
20template <> const char* interface_name<PPB_FileSystem_1_0>() {
21  return PPB_FILESYSTEM_INTERFACE_1_0;
22}
23
24}  // namespace
25
26FileSystem::FileSystem() {
27}
28
29FileSystem::FileSystem(const FileSystem& other) : Resource(other) {
30}
31
32FileSystem::FileSystem(const Resource& resource) : Resource(resource) {
33  if (!IsFileSystem(resource)) {
34    PP_NOTREACHED();
35
36    // On release builds, set this to null.
37    Clear();
38  }
39}
40
41FileSystem::FileSystem(PassRef, PP_Resource resource)
42    : Resource(PASS_REF, resource) {
43}
44
45FileSystem::FileSystem(const InstanceHandle& instance,
46                       PP_FileSystemType type) {
47  if (!has_interface<PPB_FileSystem_1_0>())
48    return;
49  PassRefFromConstructor(get_interface<PPB_FileSystem_1_0>()->Create(
50      instance.pp_instance(), type));
51}
52
53int32_t FileSystem::Open(int64_t expected_size,
54                         const CompletionCallback& cc) {
55  if (!has_interface<PPB_FileSystem_1_0>())
56    return cc.MayForce(PP_ERROR_NOINTERFACE);
57  return get_interface<PPB_FileSystem_1_0>()->Open(
58      pp_resource(), expected_size, cc.pp_completion_callback());
59}
60
61// static
62bool FileSystem::IsFileSystem(const Resource& resource) {
63  if (!has_interface<PPB_FileSystem_1_0>())
64    return false;
65  return get_interface<PPB_FileSystem_1_0>()->IsFileSystem(
66      resource.pp_resource()) == PP_TRUE;
67}
68
69}  // namespace pp
70