1 | /* |
2 | * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 | * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no) |
4 | * Copyright (C) 2001 Peter Kelly (pmk@post.com) |
5 | * Copyright (C) 2006 Samuel Weinig (sam.weinig@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 | #pragma once |
26 | |
27 | #include <wtf/RefCounted.h> |
28 | |
29 | namespace JSC { |
30 | class SlotVisitor; |
31 | } |
32 | |
33 | namespace WebCore { |
34 | |
35 | class Node; |
36 | |
37 | class NodeFilterCondition : public RefCounted<NodeFilterCondition> { |
38 | public: |
39 | virtual ~NodeFilterCondition() = default; |
40 | virtual unsigned short acceptNode(Node&) const = 0; |
41 | virtual void visitAggregate(JSC::SlotVisitor&) { } |
42 | }; |
43 | |
44 | } // namespace WebCore |
45 | |