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 | |
34 | namespace WebCore { |
35 | |
36 | Ref<MessageChannel> MessageChannel::create(ScriptExecutionContext& context) |
37 | { |
38 | return adoptRef(*new MessageChannel(context)); |
39 | } |
40 | |
41 | MessageChannel::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 | |
59 | MessageChannel::~MessageChannel() = default; |
60 | |
61 | } // namespace WebCore |
62 | |