gin/per_context_data.cc

   1 // Copyright 2013 The Chromium Authors
   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 "gin/public/context_holder.h"
   8 #include "gin/public/wrapper_info.h"
   9
  10 namespace gin {
  11
  12 PerContextData::PerContextData(ContextHolder* context_holder,
  13                                v8::Local<v8::Context> context)
  14     : context_holder_(context_holder), runner_(nullptr) {
  15   context->SetAlignedPointerInEmbedderData(
  16       int{kPerContextDataStartIndex} + kEmbedderNativeGin, this);
  17 }
  18
  19 PerContextData::~PerContextData() {
  20   v8::HandleScope handle_scope(context_holder_->isolate());
  21   context_holder_->context()->SetAlignedPointerInEmbedderData(
  22       int{kPerContextDataStartIndex} + kEmbedderNativeGin, NULL);
  23 }
  24
  25 // static
  26 PerContextData* PerContextData::From(v8::Local<v8::Context> context) {
  27   return static_cast<PerContextData*>(
  28       context->GetAlignedPointerFromEmbedderData(kEncodedValueIndex));
  29 }
  30
  31 }  // namespace gin