1 /* 2 * Copyright (C) 2006, 2008, 2009 Apple Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 * 19 */ 20 21 #ifndef EventListener_h 22 #define EventListener_h 23 24 #include "wtf/RefCounted.h" 25 26 namespace WebCore { 27 28 class DOMWrapperWorld; 29 class Event; 30 class ExecutionContext; 31 32 class EventListener : public RefCounted<EventListener> { 33 public: 34 enum Type { 35 JSEventListenerType, 36 ImageEventListenerType, 37 CPPEventListenerType, 38 ConditionEventListenerType, 39 NativeEventListenerType, 40 }; 41 42 virtual ~EventListener() { } 43 virtual bool operator==(const EventListener&) = 0; 44 virtual void handleEvent(ExecutionContext*, Event*) = 0; 45 virtual bool wasCreatedFromMarkup() const { return false; } 46 virtual bool belongsToTheCurrentWorld() const { return false; } 47 48 bool isAttribute() const { return virtualisAttribute(); } 49 Type type() const { return m_type; } 50 51 protected: 52 explicit EventListener(Type type) 53 : m_type(type) 54 { 55 } 56 57 private: 58 virtual bool virtualisAttribute() const { return false; } 59 60 Type m_type; 61 }; 62 63 } 64 65 #endif 66
