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 "platform/heap/Handle.h" 32 #include "wtf/PassRefPtr.h" 33 #include "wtf/RefCounted.h" 34 #include "wtf/RefPtr.h" 35 36 namespace WebCore { 37 38 class MessagePort; 39 class ExecutionContext; 40 41 class MessageChannel FINAL : public RefCountedWillBeGarbageCollectedFinalized<MessageChannel>, public ScriptWrappable { 42 public: 43 static PassRefPtrWillBeRawPtr<MessageChannel> create(ExecutionContext* context) 44 { 45 return adoptRefWillBeNoop(new MessageChannel(context)); 46 } 47 ~MessageChannel(); 48 49 MessagePort* port1() const { return m_port1.get(); } 50 MessagePort* port2() const { return m_port2.get(); } 51 52 void trace(Visitor*); 53 54 private: 55 explicit MessageChannel(ExecutionContext*); 56 57 RefPtrWillBeMember<MessagePort> m_port1; 58 RefPtrWillBeMember<MessagePort> m_port2; 59 }; 60 61 } // namespace WebCore 62 63 #endif // MessageChannel_h 64
