gin/public/wrapper_info.h

   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 #ifndef GIN_PUBLIC_WRAPPER_INFO_H_
   6 #define GIN_PUBLIC_WRAPPER_INFO_H_
   7
   8 #include "gin/gin_export.h"
   9 #include "gin/public/gin_embedders.h"
  10 #include "v8/include/v8.h"
  11
  12 namespace gin {
  13
  14 // Gin embedder that use their own WrapperInfo-like structs must ensure that
  15 // the first field is of type GinEmbedderId and has the correct id set. They
  16 // also should use kWrapperInfoIndex to start their WrapperInfo-like struct
  17 // and ensure that all objects have kNumberOfInternalFields internal fields.
  18
  19 enum InternalFields {
  20   kWrapperInfoIndex,
  21   kEncodedValueIndex,
  22   kNumberOfInternalFields,
  23 };
  24
  25 struct GIN_EXPORT WrapperInfo {
  26   static WrapperInfo* From(v8::Handle<v8::Object> object);
  27   const GinEmbedder embedder;
  28 };
  29
  30 }  // namespace gin
  31
  32 #endif  // GIN_PUBLIC_WRAPPER_INFO_H_