1 /*
2 * Copyright (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
3 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 *
20 */
21
22 #ifndef RenderCounter_h
23 #define RenderCounter_h
24
25 #include "CounterContent.h"
26 #include "RenderText.h"
27
28 namespace WebCore {
29
30 class CounterNode;
31
32 class RenderCounter : public RenderText {
33 public:
34 RenderCounter(Document*, const CounterContent&);
35
36 void invalidate();
37
38 static void destroyCounterNodes(RenderObject*);
39
40 private:
41 virtual const char* renderName() const;
42 virtual bool isCounter() const;
43 virtual PassRefPtr<StringImpl> originalText() const;
44
45 virtual void calcPrefWidths(int leadWidth);
46
47 CounterContent m_counter;
48 mutable CounterNode* m_counterNode;
49 };
50
toRenderCounter(RenderObject * object)51 inline RenderCounter* toRenderCounter(RenderObject* object)
52 {
53 ASSERT(!object || object->isCounter());
54 return static_cast<RenderCounter*>(object);
55 }
56
57 // This will catch anyone doing an unnecessary cast.
58 void toRenderCounter(const RenderCounter*);
59
60 } // namespace WebCore
61
62 #endif // RenderCounter_h
63