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      1 /*
      2  * Copyright (C) 2000 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 2000 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2000 Dirk Mueller (mueller (at) kde.org)
      5  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
      6  * Copyright (C) 2006 Graham Dennis (graham.dennis (at) gmail.com)
      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 StyleMultiColData_h
     26 #define StyleMultiColData_h
     27 
     28 #include "core/css/StyleColor.h"
     29 #include "core/platform/Length.h"
     30 #include "core/rendering/style/BorderValue.h"
     31 #include "core/rendering/style/RenderStyleConstants.h"
     32 #include "wtf/PassRefPtr.h"
     33 #include "wtf/RefCounted.h"
     34 
     35 namespace WebCore {
     36 
     37 // CSS3 Multi Column Layout
     38 
     39 class StyleMultiColData : public RefCounted<StyleMultiColData> {
     40 public:
     41     static PassRefPtr<StyleMultiColData> create() { return adoptRef(new StyleMultiColData); }
     42     PassRefPtr<StyleMultiColData> copy() const { return adoptRef(new StyleMultiColData(*this)); }
     43 
     44     bool operator==(const StyleMultiColData& o) const;
     45     bool operator!=(const StyleMultiColData &o) const
     46     {
     47         return !(*this == o);
     48     }
     49 
     50     unsigned short ruleWidth() const
     51     {
     52         if (m_rule.style() == BNONE || m_rule.style() == BHIDDEN)
     53             return 0;
     54         return m_rule.width();
     55     }
     56 
     57     float m_width;
     58     unsigned short m_count;
     59     float m_gap;
     60     BorderValue m_rule;
     61     StyleColor m_visitedLinkColumnRuleColor;
     62 
     63     bool m_autoWidth : 1;
     64     bool m_autoCount : 1;
     65     bool m_normalGap : 1;
     66     unsigned m_columnSpan : 1;
     67     unsigned m_breakBefore : 2; // EPageBreak
     68     unsigned m_breakAfter : 2; // EPageBreak
     69     unsigned m_breakInside : 2; // EPageBreak
     70     unsigned m_axis : 2; // ColumnAxis
     71     unsigned m_progression : 2; // ColumnProgression
     72 
     73 private:
     74     StyleMultiColData();
     75     StyleMultiColData(const StyleMultiColData&);
     76 };
     77 
     78 } // namespace WebCore
     79 
     80 #endif // StyleMultiColData_h
     81