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
16 namespace pp {
17
18 namespace {
19
interface_name()20 template <> const char* interface_name<PPB_FileSystem_1_0>() {
21 return PPB_FILESYSTEM_INTERFACE_1_0;
22 }
23
24 } // namespace
25
FileSystem()26 FileSystem::FileSystem() {
27 }
28
FileSystem(const FileSystem & other)29 FileSystem::FileSystem(const FileSystem& other) : Resource(other) {
30 }
31
FileSystem(const Resource & resource)32 FileSystem::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
FileSystem(PassRef,PP_Resource resource)41 FileSystem::FileSystem(PassRef, PP_Resource resource)
42 : Resource(PASS_REF, resource) {
43 }
44
FileSystem(const InstanceHandle & instance,PP_FileSystemType type)45 FileSystem::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
Open(int64_t expected_size,const CompletionCallback & cc)53 int32_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
IsFileSystem(const Resource & resource)62 bool 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