src/third_party/blink/Source/bindings/core/v8/custom/V8MessageChannelCustom.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "config.h"
#include "bindings/core/v8/V8MessageChannel.h"

#include "bindings/core/v8/V8Binding.h"
#include "bindings/core/v8/V8HiddenValue.h"
#include "bindings/core/v8/V8MessagePort.h"
#include "core/dom/MessageChannel.h"
#include "core/workers/WorkerGlobalScope.h"
#include "wtf/RefPtr.h"

namespace blink {

void V8MessageChannel::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
    ExecutionContext* context = currentExecutionContext(info.GetIsolate());

    RefPtrWillBeRawPtr<MessageChannel> obj = MessageChannel::create(context);

    v8::Local<v8::Object> wrapper = info.Holder();

    // Create references from the MessageChannel wrapper to the two
    // MessagePort wrappers to make sure that the MessagePort wrappers
    // stay alive as long as the MessageChannel wrapper is around.
    V8HiddenValue::setHiddenValue(info.GetIsolate(), wrapper, V8HiddenValue::port1(info.GetIsolate()), toV8(obj->port1(), info.Holder(), info.GetIsolate()));
    V8HiddenValue::setHiddenValue(info.GetIsolate(), wrapper, V8HiddenValue::port2(info.GetIsolate()), toV8(obj->port2(), info.Holder(), info.GetIsolate()));

    V8DOMWrapper::associateObjectWithWrapper<V8MessageChannel>(obj.release(), &wrapperTypeInfo, wrapper, info.GetIsolate());
    info.GetReturnValue().Set(wrapper);
}

} // namespace blink