gin/wrapper_info.cc

   1 // Copyright 2013 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 "gin/public/wrapper_info.h"
   6
   7 namespace gin {
   8
   9 WrapperInfo* WrapperInfo::From(v8::Handle<v8::Object> object) {
  10   if (object->InternalFieldCount() != kNumberOfInternalFields)
  11     return NULL;
  12   WrapperInfo* info = static_cast<WrapperInfo*>(
  13       object->GetAlignedPointerFromInternalField(kWrapperInfoIndex));
  14   return info->embedder == kEmbedderNativeGin ? info : NULL;
  15 }
  16
  17 }  // namespace gin