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 Thu Dec 20 13:10:26 2012.
   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/ppb_file_system_api.h"
  13 #include "ppapi/thunk/ppb_instance_api.h"
  14 #include "ppapi/thunk/resource_creation_api.h"
  15 #include "ppapi/thunk/thunk.h"
  16
  17 namespace ppapi {
  18 namespace thunk {
  19
  20 namespace {
  21
  22 PP_Resource Create(PP_Instance instance, PP_FileSystemType type) {
  23   VLOG(4) << "PPB_FileSystem::Create()";
  24   EnterResourceCreation enter(instance);
  25   if (enter.failed())
  26     return 0;
  27   return enter.functions()->CreateFileSystem(instance, type);
  28 }
  29
  30 PP_Bool IsFileSystem(PP_Resource resource) {
  31   VLOG(4) << "PPB_FileSystem::IsFileSystem()";
  32   EnterResource<PPB_FileSystem_API> enter(resource, false);
  33   return PP_FromBool(enter.succeeded());
  34 }
  35
  36 int32_t Open(PP_Resource file_system,
  37              int64_t expected_size,
  38              struct PP_CompletionCallback callback) {
  39   VLOG(4) << "PPB_FileSystem::Open()";
  40   EnterResource<PPB_FileSystem_API> enter(file_system, callback, true);
  41   if (enter.failed())
  42     return enter.retval();
  43   return enter.SetResult(enter.object()->Open(expected_size, enter.callback()));
  44 }
  45
  46 PP_FileSystemType GetType(PP_Resource file_system) {
  47   VLOG(4) << "PPB_FileSystem::GetType()";
  48   EnterResource<PPB_FileSystem_API> enter(file_system, true);
  49   if (enter.failed())
  50     return PP_FILESYSTEMTYPE_INVALID;
  51   return enter.object()->GetType();
  52 }
  53
  54 const PPB_FileSystem_1_0 g_ppb_filesystem_thunk_1_0 = {
  55   &Create,
  56   &IsFileSystem,
  57   &Open,
  58   &GetType
  59 };
  60
  61 }  // namespace
  62
  63 const PPB_FileSystem_1_0* GetPPB_FileSystem_1_0_Thunk() {
  64   return &g_ppb_filesystem_thunk_1_0;
  65 }
  66
  67 }  // namespace thunk
  68 }  // namespace ppapi