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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 StyleRareInheritedData_h
     26 #define StyleRareInheritedData_h
     27 
     28 #include "core/css/StyleColor.h"
     29 #include "core/platform/Length.h"
     30 #include "wtf/PassRefPtr.h"
     31 #include "wtf/RefCounted.h"
     32 #include "wtf/text/AtomicString.h"
     33 
     34 #include "core/rendering/style/DataRef.h"
     35 #include "core/rendering/style/StyleVariableData.h"
     36 
     37 namespace WebCore {
     38 
     39 class CursorList;
     40 class QuotesData;
     41 class ShadowData;
     42 class StyleImage;
     43 
     44 // This struct is for rarely used inherited CSS3, CSS2, and WebKit-specific properties.
     45 // By grouping them together, we save space, and only allocate this object when someone
     46 // actually uses one of these properties.
     47 class StyleRareInheritedData : public RefCounted<StyleRareInheritedData> {
     48 public:
     49     static PassRefPtr<StyleRareInheritedData> create() { return adoptRef(new StyleRareInheritedData); }
     50     PassRefPtr<StyleRareInheritedData> copy() const { return adoptRef(new StyleRareInheritedData(*this)); }
     51     ~StyleRareInheritedData();
     52 
     53     bool operator==(const StyleRareInheritedData& o) const;
     54     bool operator!=(const StyleRareInheritedData& o) const
     55     {
     56         return !(*this == o);
     57     }
     58     bool shadowDataEquivalent(const StyleRareInheritedData&) const;
     59 
     60     RefPtr<StyleImage> listStyleImage;
     61 
     62     StyleColor textStrokeColor;
     63     float textStrokeWidth;
     64     StyleColor textFillColor;
     65     StyleColor textEmphasisColor;
     66 
     67     StyleColor visitedLinkTextStrokeColor;
     68     StyleColor visitedLinkTextFillColor;
     69     StyleColor visitedLinkTextEmphasisColor;
     70 
     71     OwnPtr<ShadowData> textShadow; // Our text shadow information for shadowed text drawing.
     72     AtomicString highlight; // Apple-specific extension for custom highlight rendering.
     73 
     74     RefPtr<CursorList> cursorData;
     75     Length indent;
     76     float m_effectiveZoom;
     77 
     78     // Paged media properties.
     79     short widows;
     80     short orphans;
     81     unsigned m_hasAutoWidows : 1;
     82     unsigned m_hasAutoOrphans : 1;
     83 
     84     unsigned textSecurity : 2; // ETextSecurity
     85     unsigned userModify : 2; // EUserModify (editing)
     86     unsigned wordBreak : 2; // EWordBreak
     87     unsigned overflowWrap : 1; // EOverflowWrap
     88     unsigned lineBreak : 3; // LineBreak
     89     unsigned resize : 2; // EResize
     90     unsigned userSelect : 2; // EUserSelect
     91     unsigned speak : 3; // ESpeak
     92     unsigned hyphens : 2; // Hyphens
     93     unsigned textEmphasisFill : 1; // TextEmphasisFill
     94     unsigned textEmphasisMark : 3; // TextEmphasisMark
     95     unsigned textEmphasisPosition : 1; // TextEmphasisPosition
     96     unsigned m_textAlignLast : 3; // TextAlignLast
     97     unsigned m_textOrientation : 2; // TextOrientation
     98 #if ENABLE(CSS3_TEXT)
     99     unsigned m_textIndentLine : 1; // TextIndentEachLine
    100 #endif
    101     unsigned m_lineBoxContain: 7; // LineBoxContain
    102     // CSS Image Values Level 3
    103     unsigned m_imageRendering : 2; // EImageRendering
    104     unsigned m_lineSnap : 2; // LineSnap
    105     unsigned m_lineAlign : 1; // LineAlign
    106 #if ENABLE(CSS3_TEXT)
    107     unsigned m_textUnderlinePosition : 3; // TextUnderlinePosition
    108 #endif // CSS3_TEXT
    109     unsigned m_rubyPosition : 1; // RubyPosition
    110 
    111     AtomicString hyphenationString;
    112     short hyphenationLimitBefore;
    113     short hyphenationLimitAfter;
    114     short hyphenationLimitLines;
    115 
    116     AtomicString locale;
    117 
    118     AtomicString textEmphasisCustomMark;
    119     RefPtr<QuotesData> quotes;
    120 
    121     AtomicString m_lineGrid;
    122     unsigned m_tabSize;
    123 
    124     StyleColor tapHighlightColor;
    125 
    126     DataRef<StyleVariableData> m_variables;
    127 
    128 private:
    129     StyleRareInheritedData();
    130     StyleRareInheritedData(const StyleRareInheritedData&);
    131 };
    132 
    133 } // namespace WebCore
    134 
    135 #endif // StyleRareInheritedData_h
    136