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      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/per_context_data.h"
      6 
      7 #include "base/logging.h"
      8 #include "gin/public/context_holder.h"
      9 #include "gin/public/wrapper_info.h"
     10 
     11 namespace gin {
     12 
     13 PerContextData::PerContextData(ContextHolder* context_holder,
     14                                v8::Handle<v8::Context> context)
     15     : context_holder_(context_holder),
     16       runner_(NULL) {
     17   context->SetAlignedPointerInEmbedderData(
     18       kPerContextDataStartIndex + kEmbedderNativeGin, this);
     19 }
     20 
     21 PerContextData::~PerContextData() {
     22   v8::HandleScope handle_scope(context_holder_->isolate());
     23   context_holder_->context()->SetAlignedPointerInEmbedderData(
     24       kPerContextDataStartIndex + kEmbedderNativeGin, NULL);
     25 }
     26 
     27 // static
     28 PerContextData* PerContextData::From(v8::Handle<v8::Context> context) {
     29   return static_cast<PerContextData*>(
     30       context->GetAlignedPointerFromEmbedderData(kEncodedValueIndex));
     31 }
     32 
     33 }  // namespace gin
     34