1/*
2 * Copyright (C) 2009 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "V8MessageChannel.h"
33
34#include "V8MessagePort.h"
35#include "bindings/v8/V8Binding.h"
36#include "bindings/v8/V8HiddenPropertyName.h"
37#include "bindings/v8/V8Utilities.h"
38#include "core/dom/MessageChannel.h"
39#include "core/workers/WorkerGlobalScope.h"
40#include "wtf/RefPtr.h"
41
42namespace WebCore {
43
44void V8MessageChannel::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
45{
46    ExecutionContext* context = getExecutionContext();
47
48    RefPtr<MessageChannel> obj = MessageChannel::create(context);
49
50    v8::Local<v8::Object> wrapper = info.Holder();
51
52    // Create references from the MessageChannel wrapper to the two
53    // MessagePort wrappers to make sure that the MessagePort wrappers
54    // stay alive as long as the MessageChannel wrapper is around.
55    V8HiddenPropertyName::setNamedHiddenReference(wrapper, "port1", toV8(obj->port1(), info.Holder(), info.GetIsolate()));
56    V8HiddenPropertyName::setNamedHiddenReference(wrapper, "port2", toV8(obj->port2(), info.Holder(), info.GetIsolate()));
57
58    V8DOMWrapper::associateObjectWithWrapper<V8MessageChannel>(obj.release(), &wrapperTypeInfo, wrapper, info.GetIsolate(), WrapperConfiguration::Dependent);
59    info.GetReturnValue().Set(wrapper);
60}
61
62} // namespace WebCore
63