/* * Copyright (C) 2006, 2008, 2009 Apple Inc. All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. * */ #ifndef EventListener_h #define EventListener_h #include <wtf/RefCounted.h> namespace JSC { class JSObject; } namespace WebCore { class Event; class EventListener : public RefCounted<EventListener> { public: virtual ~EventListener() { } virtual void handleEvent(Event*, bool isWindowEvent = false) = 0; virtual bool wasCreatedFromMarkup() const { return false; } #if USE(JSC) virtual JSC::JSObject* function() const { return 0; } virtual void mark() { } #endif bool isInline() const { return virtualIsInline(); } private: virtual bool virtualIsInline() const { return false; } }; inline void markIfNotNull(EventListener* listener) { if (listener) listener->mark(); } } #endif