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 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. 24 * 25 */ 26 27#ifndef MessageChannel_h 28#define MessageChannel_h 29 30#include "bindings/v8/ScriptWrappable.h" 31#include "wtf/PassRefPtr.h" 32#include "wtf/RefCounted.h" 33#include "wtf/RefPtr.h" 34 35namespace WebCore { 36 37class MessagePort; 38class ExecutionContext; 39 40class MessageChannel : public RefCounted<MessageChannel>, public ScriptWrappable { 41public: 42 static PassRefPtr<MessageChannel> create(ExecutionContext* context) { return adoptRef(new MessageChannel(context)); } 43 ~MessageChannel(); 44 45 MessagePort* port1() const { return m_port1.get(); } 46 MessagePort* port2() const { return m_port2.get(); } 47 48private: 49 explicit MessageChannel(ExecutionContext*); 50 51 RefPtr<MessagePort> m_port1; 52 RefPtr<MessagePort> m_port2; 53}; 54 55} // namespace WebCore 56 57#endif // MessageChannel_h 58