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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