1 /* 2 * Copyright (C) 2004, 2006, 2008, 2010 Apple Inc. All rights reserved. 3 * Copyright (C) 2006 Samuel Weinig <sam.weinig (at) gmail.com> 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef ObjCEventListener_h 28 #define ObjCEventListener_h 29 30 #include "EventListener.h" 31 #include <wtf/Forward.h> 32 #include <wtf/RetainPtr.h> 33 34 @protocol DOMEventListener; 35 36 namespace WebCore { 37 38 class ObjCEventListener : public EventListener { 39 public: 40 typedef id<DOMEventListener> ObjCListener; 41 static PassRefPtr<ObjCEventListener> wrap(ObjCListener); 42 43 static const ObjCEventListener* cast(const EventListener* listener) 44 { 45 return listener->type() == ObjCEventListenerType 46 ? static_cast<const ObjCEventListener*>(listener) 47 : 0; 48 } 49 50 private: 51 static ObjCEventListener* find(ObjCListener); 52 53 ObjCEventListener(ObjCListener); 54 virtual ~ObjCEventListener(); 55 virtual bool operator==(const EventListener&); 56 virtual void handleEvent(ScriptExecutionContext*, Event*); 57 58 RetainPtr<ObjCListener> m_listener; 59 }; 60 61 } // namespace WebCore 62 63 #endif 64
