ppapi/cpp/file_system.cc

   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/module.h"
  13 #include "ppapi/cpp/module_impl.h"
  14
  15 namespace pp {
  16
  17 namespace {
  18
  19 template <> const char* interface_name<PPB_FileSystem_1_0>() {
  20   return PPB_FILESYSTEM_INTERFACE_1_0;
  21 }
  22
  23 }  // namespace
  24
  25 FileSystem::FileSystem() {
  26 }
  27
  28 FileSystem::FileSystem(const FileSystem& other) : Resource(other) {
  29 }
  30
  31 FileSystem::FileSystem(PassRef, PP_Resource resource)
  32     : Resource(PASS_REF, resource) {
  33 }
  34
  35 FileSystem::FileSystem(const InstanceHandle& instance,
  36                        PP_FileSystemType type) {
  37   if (!has_interface<PPB_FileSystem_1_0>())
  38     return;
  39   PassRefFromConstructor(get_interface<PPB_FileSystem_1_0>()->Create(
  40       instance.pp_instance(), type));
  41 }
  42
  43 int32_t FileSystem::Open(int64_t expected_size,
  44                          const CompletionCallback& cc) {
  45   if (!has_interface<PPB_FileSystem_1_0>())
  46     return cc.MayForce(PP_ERROR_NOINTERFACE);
  47   return get_interface<PPB_FileSystem_1_0>()->Open(
  48       pp_resource(), expected_size, cc.pp_completion_callback());
  49 }
  50
  51 }  // namespace pp