1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2000 Frederik Holljen (frederik.holljen (at) hig.no) 4 * Copyright (C) 2001 Peter Kelly (pmk (at) post.com) 5 * Copyright (C) 2006 Samuel Weinig (sam.weinig (at) gmail.com) 6 * Copyright (C) 2004, 2008, 2009 Apple Inc. All rights reserved. 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 * 23 */ 24 25 #ifndef NodeFilterCondition_h 26 #define NodeFilterCondition_h 27 28 #include "platform/heap/Handle.h" 29 #include "wtf/RefCounted.h" 30 31 namespace WebCore { 32 33 class ExceptionState; 34 class Node; 35 36 class NodeFilterCondition : public RefCountedWillBeGarbageCollectedFinalized<NodeFilterCondition> { 37 public: 38 virtual ~NodeFilterCondition() { } 39 virtual short acceptNode(Node*, ExceptionState&) const = 0; 40 41 virtual void trace(Visitor*) { } 42 }; 43 44 } // namespace WebCore 45 46 #endif // NodeFilterCondition_h 47
