1/*
2 * Copyright (C) 2008 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 */
26
27#include "config.h"
28#include "MessageChannel.h"
29
30#include "MessagePort.h"
31#include "MessagePortChannelProvider.h"
32#include "ScriptExecutionContext.h"
33
34namespace WebCore {
35
36Ref<MessageChannel> MessageChannel::create(ScriptExecutionContext& context)
37{
38 return adoptRef(*new MessageChannel(context));
39}
40
41MessageChannel::MessageChannel(ScriptExecutionContext& context)
42{
43 MessagePortIdentifier id1 = { Process::identifier(), ObjectIdentifier<MessagePortIdentifier::PortIdentifierType>::generate() };
44 MessagePortIdentifier id2 = { Process::identifier(), ObjectIdentifier<MessagePortIdentifier::PortIdentifierType>::generate() };
45
46 m_port1 = MessagePort::create(context, id1, id2);
47 m_port2 = MessagePort::create(context, id2, id1);
48
49 if (!context.activeDOMObjectsAreStopped()) {
50 ASSERT(!m_port1->closed());
51 ASSERT(!m_port2->closed());
52 MessagePortChannelProvider::singleton().createNewMessagePortChannel(id1, id2);
53 } else {
54 ASSERT(m_port1->closed());
55 ASSERT(m_port2->closed());
56 }
57}
58
59MessageChannel::~MessageChannel() = default;
60
61} // namespace WebCore
62