text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "ppapi/c/pp_file_info.h"
  #include "ppapi/c/ppb_file_ref.h"
  #include "ppapi/c/pp_completion_callback.h"
  #include "ppapi/c/pp_errors.h"
  #include "ppapi/c/private/ppb_file_ref_private.h"
  #include "ppapi/thunk/enter.h"
  #include "ppapi/thunk/thunk.h"
  #include "ppapi/thunk/ppb_file_ref_api.h"
  #include "ppapi/thunk/resource_creation_api.h"
  
  namespace ppapi {
  namespace thunk {
  
  namespace {
  
  typedef EnterResource<PPB_FileRef_API> EnterFileRef;
  
  PP_Resource Create(PP_Resource file_system, const char* path) {
    Resource* object =
        PpapiGlobals::Get()->GetResourceTracker()->GetResource(file_system);
    if (!object)
      return 0;
    EnterResourceCreation enter(object->pp_instance());
    if (enter.failed())
      return 0;
    return enter.functions()->CreateFileRef(file_system, path);
  }
  
  PP_Bool IsFileRef(PP_Resource resource) {
    EnterFileRef enter(resource, false);
    return PP_FromBool(enter.succeeded());
  }
  
  PP_FileSystemType GetFileSystemType(PP_Resource file_ref) {
    EnterFileRef enter(file_ref, true);
    if (enter.failed())
      return PP_FILESYSTEMTYPE_INVALID;
    return enter.object()->GetFileSystemType();
  }
  
  PP_Var GetName(PP_Resource file_ref) {
    EnterFileRef enter(file_ref, true);
    if (enter.failed())
      return PP_MakeUndefined();
    return enter.object()->GetName();
  }
  
  PP_Var GetPath(PP_Resource file_ref) {
    EnterFileRef enter(file_ref, true);
    if (enter.failed())
      return PP_MakeUndefined();
    return enter.object()->GetPath();
  }
  
  PP_Resource GetParent(PP_Resource file_ref) {
    EnterFileRef enter(file_ref, true);
    if (enter.failed())
      return 0;
    return enter.object()->GetParent();
  }
  
  int32_t MakeDirectory(PP_Resource directory_ref,
                        PP_Bool make_ancestors,
                        PP_CompletionCallback callback) {
    EnterFileRef enter(directory_ref, callback, true);
    if (enter.failed())
      return enter.retval();
    return enter.SetResult(enter.object()->MakeDirectory(make_ancestors,
                                                         callback));
  }
  
  int32_t Touch(PP_Resource file_ref,
                PP_Time last_access_time,
                PP_Time last_modified_time,
                PP_CompletionCallback callback) {
    EnterFileRef enter(file_ref, callback, true);
    if (enter.failed())
      return enter.retval();
    return enter.SetResult(enter.object()->Touch(
        last_access_time, last_modified_time, callback));
  }
  
  int32_t Delete(PP_Resource file_ref,
                 PP_CompletionCallback callback) {
    EnterFileRef enter(file_ref, callback, true);
    if (enter.failed())
      return enter.retval();
    return enter.SetResult(enter.object()->Delete(callback));
  }
  
  int32_t Rename(PP_Resource file_ref,
                 PP_Resource new_file_ref,
                 PP_CompletionCallback callback) {
    EnterFileRef enter(file_ref, callback, true);
    if (enter.failed())
      return enter.retval();
    return enter.SetResult(enter.object()->Rename(new_file_ref, callback));
  }
  
  PP_Var GetAbsolutePath(PP_Resource file_ref) {
    EnterFileRef enter(file_ref, true);
    if (enter.failed())
      return PP_MakeUndefined();
    return enter.object()->GetAbsolutePath();
  }
  
  const PPB_FileRef g_ppb_file_ref_thunk = {
    &Create,
    &IsFileRef,
    &GetFileSystemType,
    &GetName,
    &GetPath,
    &GetParent,
    &MakeDirectory,
    &Touch,
    &Delete,
    &Rename
  };
  
  const PPB_FileRefPrivate g_ppb_file_ref_private_thunk = {
    &GetAbsolutePath
  };
  
  }  // namespace
  
  const PPB_FileRef_1_0* GetPPB_FileRef_1_0_Thunk() {
    return &g_ppb_file_ref_thunk;
  }
  
  const PPB_FileRefPrivate_0_1* GetPPB_FileRefPrivate_0_1_Thunk() {
    return &g_ppb_file_ref_private_thunk;
  }
  
  }  // namespace thunk
  }  // namespace ppapi
  