ppapi/thunk/ppb_file_system_thunk.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 // From ppb_file_system.idl modified Wed May 15 13:57:07 2013.
   6
   7 #include "ppapi/c/pp_completion_callback.h"
   8 #include "ppapi/c/pp_errors.h"
   9 #include "ppapi/c/ppb_file_system.h"
  10 #include "ppapi/shared_impl/tracked_callback.h"
  11 #include "ppapi/thunk/enter.h"
  12 #include "ppapi/thunk/ppapi_thunk_export.h"
  13 #include "ppapi/thunk/ppb_file_system_api.h"
  14
  15 namespace ppapi {
  16 namespace thunk {
  17
  18 namespace {
  19
  20 PP_Resource Create(PP_Instance instance, PP_FileSystemType type) {
  21   VLOG(4) << "PPB_FileSystem::Create()";
  22   EnterResourceCreation enter(instance);
  23   if (enter.failed())
  24     return 0;
  25   return enter.functions()->CreateFileSystem(instance, type);
  26 }
  27
  28 PP_Bool IsFileSystem(PP_Resource resource) {
  29   VLOG(4) << "PPB_FileSystem::IsFileSystem()";
  30   EnterResource<PPB_FileSystem_API> enter(resource, false);
  31   return PP_FromBool(enter.succeeded());
  32 }
  33
  34 int32_t Open(PP_Resource file_system,
  35              int64_t expected_size,
  36              struct PP_CompletionCallback callback) {
  37   VLOG(4) << "PPB_FileSystem::Open()";
  38   EnterResource<PPB_FileSystem_API> enter(file_system, callback, true);
  39   if (enter.failed())
  40     return enter.retval();
  41   return enter.SetResult(enter.object()->Open(expected_size, enter.callback()));
  42 }
  43
  44 PP_FileSystemType GetType(PP_Resource file_system) {
  45   VLOG(4) << "PPB_FileSystem::GetType()";
  46   EnterResource<PPB_FileSystem_API> enter(file_system, true);
  47   if (enter.failed())
  48     return PP_FILESYSTEMTYPE_INVALID;
  49   return enter.object()->GetType();
  50 }
  51
  52 const PPB_FileSystem_1_0 g_ppb_filesystem_thunk_1_0 = {&Create,
  53                                                        &IsFileSystem,
  54                                                        &Open,
  55                                                        &GetType};
  56
  57 }  // namespace
  58
  59 PPAPI_THUNK_EXPORT const PPB_FileSystem_1_0* GetPPB_FileSystem_1_0_Thunk() {
  60   return &g_ppb_filesystem_thunk_1_0;
  61 }
  62
  63 }  // namespace thunk
  64 }  // namespace ppapi