2 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, 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 COMPUTER, 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.
27 #ifndef MessageChannel_h
28 #define MessageChannel_h
30 #include <wtf/PassRefPtr.h>
31 #include <wtf/RefCounted.h>
32 #include <wtf/RefPtr.h>
37 class ScriptExecutionContext;
39 class MessageChannel : public RefCounted<MessageChannel> {
41 static PassRefPtr<MessageChannel> create(ScriptExecutionContext* context) { return adoptRef(new MessageChannel(context)); }
44 MessagePort* port1() const { return m_port1.get(); }
45 MessagePort* port2() const { return m_port2.get(); }
48 MessageChannel(ScriptExecutionContext*);
50 RefPtr<MessagePort> m_port1;
51 RefPtr<MessagePort> m_port2;
54 } // namespace WebCore
56 #endif // MessageChannel_h