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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, 2009, 2010 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 RenderStyle_h
     26 #define RenderStyle_h
     27 
     28 #include "AnimationList.h"
     29 #include "BorderValue.h"
     30 #include "CSSLineBoxContainValue.h"
     31 #include "CSSPrimitiveValue.h"
     32 #include "CSSPropertyNames.h"
     33 #include "Color.h"
     34 #include "ColorSpace.h"
     35 #include "CounterDirectives.h"
     36 #include "DataRef.h"
     37 #include "FillLayer.h"
     38 #include "Font.h"
     39 #include "GraphicsTypes.h"
     40 #include "Length.h"
     41 #include "LengthBox.h"
     42 #include "LengthSize.h"
     43 #include "LineClampValue.h"
     44 #include "NinePieceImage.h"
     45 #include "OutlineValue.h"
     46 #include "RenderStyleConstants.h"
     47 #include "RoundedIntRect.h"
     48 #include "ShadowData.h"
     49 #include "StyleBackgroundData.h"
     50 #include "StyleBoxData.h"
     51 #include "StyleFlexibleBoxData.h"
     52 #include "StyleInheritedData.h"
     53 #include "StyleMarqueeData.h"
     54 #include "StyleMultiColData.h"
     55 #include "StyleRareInheritedData.h"
     56 #include "StyleRareNonInheritedData.h"
     57 #include "StyleReflection.h"
     58 #include "StyleSurroundData.h"
     59 #include "StyleTransformData.h"
     60 #include "StyleVisualData.h"
     61 #include "TextDirection.h"
     62 #include "TextOrientation.h"
     63 #include "ThemeTypes.h"
     64 #include "TransformOperations.h"
     65 #include "UnicodeBidi.h"
     66 #include <wtf/Forward.h>
     67 #include <wtf/OwnPtr.h>
     68 #include <wtf/RefCounted.h>
     69 #include <wtf/StdLibExtras.h>
     70 #include <wtf/Vector.h>
     71 
     72 #if ENABLE(DASHBOARD_SUPPORT)
     73 #include "StyleDashboardRegion.h"
     74 #endif
     75 
     76 #if ENABLE(SVG)
     77 #include "SVGRenderStyle.h"
     78 #endif
     79 
     80 #if COMPILER(WINSCW)
     81 #define compareEqual(t, u)      ((t) == (u))
     82 #else
     83 template<typename T, typename U> inline bool compareEqual(const T& t, const U& u) { return t == static_cast<T>(u); }
     84 #endif
     85 
     86 #define SET_VAR(group, variable, value) \
     87     if (!compareEqual(group->variable, value)) \
     88         group.access()->variable = value;
     89 
     90 namespace WebCore {
     91 
     92 using std::max;
     93 
     94 class BorderData;
     95 class CSSStyleSelector;
     96 class CounterContent;
     97 class CursorList;
     98 class IntRect;
     99 class Pair;
    100 class ShadowData;
    101 class StyleImage;
    102 class TransformationMatrix;
    103 
    104 struct ContentData;
    105 
    106 typedef Vector<RefPtr<RenderStyle>, 4> PseudoStyleCache;
    107 
    108 class RenderStyle: public RefCounted<RenderStyle> {
    109     friend class AnimationBase; // Used by CSS animations. We can't allow them to animate based off visited colors.
    110     friend class ApplyStyleCommand; // Editing has to only reveal unvisited info.
    111     friend class EditingStyle; // Editing has to only reveal unvisited info.
    112     friend class CSSStyleApplyProperty; // Sets members directly.
    113     friend class CSSStyleSelector; // Sets members directly.
    114     friend class CSSComputedStyleDeclaration; // Ignores visited styles, so needs to be able to see unvisited info.
    115     friend class PropertyWrapperMaybeInvalidColor; // Used by CSS animations. We can't allow them to animate based off visited colors.
    116     friend class RenderSVGResource; // FIXME: Needs to alter the visited state by hand. Should clean the SVG code up and move it into RenderStyle perhaps.
    117     friend class RenderTreeAsText; // FIXME: Only needed so the render tree can keep lying and dump the wrong colors.  Rebaselining would allow this to be yanked.
    118 protected:
    119 
    120     // The following bitfield is 32-bits long, which optimizes padding with the
    121     // int refCount in the base class. Beware when adding more bits.
    122     bool m_affectedByAttributeSelectors : 1;
    123     bool m_unique : 1;
    124 
    125     // Bits for dynamic child matching.
    126     bool m_affectedByEmpty : 1;
    127     bool m_emptyState : 1;
    128 
    129     // We optimize for :first-child and :last-child.  The other positional child selectors like nth-child or
    130     // *-child-of-type, we will just give up and re-evaluate whenever children change at all.
    131     bool m_childrenAffectedByFirstChildRules : 1;
    132     bool m_childrenAffectedByLastChildRules : 1;
    133     bool m_childrenAffectedByDirectAdjacentRules : 1;
    134     bool m_childrenAffectedByForwardPositionalRules : 1;
    135     bool m_childrenAffectedByBackwardPositionalRules : 1;
    136     bool m_firstChildState : 1;
    137     bool m_lastChildState : 1;
    138     unsigned m_childIndex : 21; // Plenty of bits to cache an index.
    139 
    140     // non-inherited attributes
    141     DataRef<StyleBoxData> m_box;
    142     DataRef<StyleVisualData> visual;
    143     DataRef<StyleBackgroundData> m_background;
    144     DataRef<StyleSurroundData> surround;
    145     DataRef<StyleRareNonInheritedData> rareNonInheritedData;
    146 
    147     // inherited attributes
    148     DataRef<StyleRareInheritedData> rareInheritedData;
    149     DataRef<StyleInheritedData> inherited;
    150 
    151     // list of associated pseudo styles
    152     OwnPtr<PseudoStyleCache> m_cachedPseudoStyles;
    153 
    154 #if ENABLE(SVG)
    155     DataRef<SVGRenderStyle> m_svgStyle;
    156 #endif
    157 
    158 // !START SYNC!: Keep this in sync with the copy constructor in RenderStyle.cpp
    159 
    160     // inherit
    161     struct InheritedFlags {
    162         bool operator==(const InheritedFlags& other) const
    163         {
    164             return (_empty_cells == other._empty_cells)
    165                 && (_caption_side == other._caption_side)
    166                 && (_list_style_type == other._list_style_type)
    167                 && (_list_style_position == other._list_style_position)
    168                 && (_visibility == other._visibility)
    169                 && (_text_align == other._text_align)
    170                 && (_text_transform == other._text_transform)
    171                 && (_text_decorations == other._text_decorations)
    172                 && (_cursor_style == other._cursor_style)
    173                 && (_direction == other._direction)
    174                 && (_border_collapse == other._border_collapse)
    175                 && (_white_space == other._white_space)
    176                 && (_box_direction == other._box_direction)
    177                 && (_visuallyOrdered == other._visuallyOrdered)
    178                 && (_force_backgrounds_to_white == other._force_backgrounds_to_white)
    179                 && (_pointerEvents == other._pointerEvents)
    180                 && (_insideLink == other._insideLink)
    181                 && (m_writingMode == other.m_writingMode);
    182         }
    183 
    184         bool operator!=(const InheritedFlags& other) const { return !(*this == other); }
    185 
    186         unsigned _empty_cells : 1; // EEmptyCell
    187         unsigned _caption_side : 2; // ECaptionSide
    188         unsigned _list_style_type : 7; // EListStyleType
    189         unsigned _list_style_position : 1; // EListStylePosition
    190         unsigned _visibility : 2; // EVisibility
    191         unsigned _text_align : 4; // ETextAlign
    192         unsigned _text_transform : 2; // ETextTransform
    193         unsigned _text_decorations : 4;
    194         unsigned _cursor_style : 6; // ECursor
    195         unsigned _direction : 1; // TextDirection
    196         bool _border_collapse : 1 ;
    197         unsigned _white_space : 3; // EWhiteSpace
    198         unsigned _box_direction : 1; // EBoxDirection (CSS3 box_direction property, flexible box layout module)
    199         // 34 bits
    200 
    201         // non CSS2 inherited
    202         bool _visuallyOrdered : 1;
    203         bool _force_backgrounds_to_white : 1;
    204         unsigned _pointerEvents : 4; // EPointerEvents
    205         unsigned _insideLink : 2; // EInsideLink
    206         // 43 bits
    207 
    208         // CSS Text Layout Module Level 3: Vertical writing support
    209         unsigned m_writingMode : 2; // WritingMode
    210         // 45 bits
    211     } inherited_flags;
    212 
    213 // don't inherit
    214     struct NonInheritedFlags {
    215         bool operator==(const NonInheritedFlags& other) const
    216         {
    217             return _effectiveDisplay == other._effectiveDisplay
    218                 && _originalDisplay == other._originalDisplay
    219                 && _overflowX == other._overflowX
    220                 && _overflowY == other._overflowY
    221                 && _vertical_align == other._vertical_align
    222                 && _clear == other._clear
    223                 && _position == other._position
    224                 && _floating == other._floating
    225                 && _table_layout == other._table_layout
    226                 && _page_break_before == other._page_break_before
    227                 && _page_break_after == other._page_break_after
    228                 && _page_break_inside == other._page_break_inside
    229                 && _styleType == other._styleType
    230                 && _affectedByHover == other._affectedByHover
    231                 && _affectedByActive == other._affectedByActive
    232                 && _affectedByDrag == other._affectedByDrag
    233                 && _pseudoBits == other._pseudoBits
    234                 && _unicodeBidi == other._unicodeBidi
    235                 && _isLink == other._isLink;
    236         }
    237 
    238         bool operator!=(const NonInheritedFlags& other) const { return !(*this == other); }
    239 
    240         unsigned _effectiveDisplay : 5; // EDisplay
    241         unsigned _originalDisplay : 5; // EDisplay
    242         unsigned _overflowX : 3; // EOverflow
    243         unsigned _overflowY : 3; // EOverflow
    244         unsigned _vertical_align : 4; // EVerticalAlign
    245         unsigned _clear : 2; // EClear
    246         unsigned _position : 2; // EPosition
    247         unsigned _floating : 2; // EFloat
    248         unsigned _table_layout : 1; // ETableLayout
    249 
    250         unsigned _page_break_before : 2; // EPageBreak
    251         unsigned _page_break_after : 2; // EPageBreak
    252         unsigned _page_break_inside : 2; // EPageBreak
    253 
    254         unsigned _styleType : 6; // PseudoId
    255         bool _affectedByHover : 1;
    256         bool _affectedByActive : 1;
    257         bool _affectedByDrag : 1;
    258         unsigned _pseudoBits : 7;
    259         unsigned _unicodeBidi : 2; // EUnicodeBidi
    260         bool _isLink : 1;
    261         // 50 bits
    262     } noninherited_flags;
    263 
    264 // !END SYNC!
    265 
    266 protected:
    267     void setBitDefaults()
    268     {
    269         inherited_flags._empty_cells = initialEmptyCells();
    270         inherited_flags._caption_side = initialCaptionSide();
    271         inherited_flags._list_style_type = initialListStyleType();
    272         inherited_flags._list_style_position = initialListStylePosition();
    273         inherited_flags._visibility = initialVisibility();
    274         inherited_flags._text_align = initialTextAlign();
    275         inherited_flags._text_transform = initialTextTransform();
    276         inherited_flags._text_decorations = initialTextDecoration();
    277         inherited_flags._cursor_style = initialCursor();
    278         inherited_flags._direction = initialDirection();
    279         inherited_flags._border_collapse = initialBorderCollapse();
    280         inherited_flags._white_space = initialWhiteSpace();
    281         inherited_flags._visuallyOrdered = initialVisuallyOrdered();
    282         inherited_flags._box_direction = initialBoxDirection();
    283         inherited_flags._force_backgrounds_to_white = false;
    284         inherited_flags._pointerEvents = initialPointerEvents();
    285         inherited_flags._insideLink = NotInsideLink;
    286         inherited_flags.m_writingMode = initialWritingMode();
    287 
    288         noninherited_flags._effectiveDisplay = noninherited_flags._originalDisplay = initialDisplay();
    289         noninherited_flags._overflowX = initialOverflowX();
    290         noninherited_flags._overflowY = initialOverflowY();
    291         noninherited_flags._vertical_align = initialVerticalAlign();
    292         noninherited_flags._clear = initialClear();
    293         noninherited_flags._position = initialPosition();
    294         noninherited_flags._floating = initialFloating();
    295         noninherited_flags._table_layout = initialTableLayout();
    296         noninherited_flags._page_break_before = initialPageBreak();
    297         noninherited_flags._page_break_after = initialPageBreak();
    298         noninherited_flags._page_break_inside = initialPageBreak();
    299         noninherited_flags._styleType = NOPSEUDO;
    300         noninherited_flags._affectedByHover = false;
    301         noninherited_flags._affectedByActive = false;
    302         noninherited_flags._affectedByDrag = false;
    303         noninherited_flags._pseudoBits = 0;
    304         noninherited_flags._unicodeBidi = initialUnicodeBidi();
    305         noninherited_flags._isLink = false;
    306     }
    307 
    308 private:
    309     ALWAYS_INLINE RenderStyle();
    310     // used to create the default style.
    311     ALWAYS_INLINE RenderStyle(bool);
    312     ALWAYS_INLINE RenderStyle(const RenderStyle&);
    313 
    314 public:
    315     static PassRefPtr<RenderStyle> create();
    316     static PassRefPtr<RenderStyle> createDefaultStyle();
    317     static PassRefPtr<RenderStyle> createAnonymousStyle(const RenderStyle* parentStyle);
    318     static PassRefPtr<RenderStyle> clone(const RenderStyle*);
    319 
    320     ~RenderStyle();
    321 
    322     void inheritFrom(const RenderStyle* inheritParent);
    323 
    324     PseudoId styleType() const { return static_cast<PseudoId>(noninherited_flags._styleType); }
    325     void setStyleType(PseudoId styleType) { noninherited_flags._styleType = styleType; }
    326 
    327     RenderStyle* getCachedPseudoStyle(PseudoId) const;
    328     RenderStyle* addCachedPseudoStyle(PassRefPtr<RenderStyle>);
    329     void removeCachedPseudoStyle(PseudoId);
    330 
    331     const PseudoStyleCache* cachedPseudoStyles() const { return m_cachedPseudoStyles.get(); }
    332 
    333     bool affectedByHoverRules() const { return noninherited_flags._affectedByHover; }
    334     bool affectedByActiveRules() const { return noninherited_flags._affectedByActive; }
    335     bool affectedByDragRules() const { return noninherited_flags._affectedByDrag; }
    336 
    337     void setAffectedByHoverRules(bool b) { noninherited_flags._affectedByHover = b; }
    338     void setAffectedByActiveRules(bool b) { noninherited_flags._affectedByActive = b; }
    339     void setAffectedByDragRules(bool b) { noninherited_flags._affectedByDrag = b; }
    340 
    341     bool operator==(const RenderStyle& other) const;
    342     bool operator!=(const RenderStyle& other) const { return !(*this == other); }
    343     bool isFloating() const { return !(noninherited_flags._floating == FNONE); }
    344     bool hasMargin() const { return surround->margin.nonZero(); }
    345     bool hasBorder() const { return surround->border.hasBorder(); }
    346     bool hasPadding() const { return surround->padding.nonZero(); }
    347     bool hasOffset() const { return surround->offset.nonZero(); }
    348 
    349     bool hasBackgroundImage() const { return m_background->background().hasImage(); }
    350     bool hasFixedBackgroundImage() const { return m_background->background().hasFixedImage(); }
    351     bool hasAppearance() const { return appearance() != NoControlPart; }
    352 
    353     bool hasBackground() const
    354     {
    355         Color color = visitedDependentColor(CSSPropertyBackgroundColor);
    356         if (color.isValid() && color.alpha() > 0)
    357             return true;
    358         return hasBackgroundImage();
    359     }
    360 
    361     bool visuallyOrdered() const { return inherited_flags._visuallyOrdered; }
    362     void setVisuallyOrdered(bool b) { inherited_flags._visuallyOrdered = b; }
    363 
    364     bool isStyleAvailable() const;
    365 
    366     bool hasAnyPublicPseudoStyles() const;
    367     bool hasPseudoStyle(PseudoId pseudo) const;
    368     void setHasPseudoStyle(PseudoId pseudo);
    369 
    370     // attribute getter methods
    371 
    372     EDisplay display() const { return static_cast<EDisplay>(noninherited_flags._effectiveDisplay); }
    373     EDisplay originalDisplay() const { return static_cast<EDisplay>(noninherited_flags._originalDisplay); }
    374 
    375     Length left() const { return surround->offset.left(); }
    376     Length right() const { return surround->offset.right(); }
    377     Length top() const { return surround->offset.top(); }
    378     Length bottom() const { return surround->offset.bottom(); }
    379 
    380     // Accessors for positioned object edges that take into account writing mode.
    381     Length logicalLeft() const { return isHorizontalWritingMode() ? left() : top(); }
    382     Length logicalRight() const { return isHorizontalWritingMode() ? right() : bottom(); }
    383     Length logicalTop() const { return isHorizontalWritingMode() ? (isFlippedBlocksWritingMode() ? bottom() : top()) : (isFlippedBlocksWritingMode() ? right() : left()); }
    384     Length logicalBottom() const { return isHorizontalWritingMode() ? (isFlippedBlocksWritingMode() ? top() : bottom()) : (isFlippedBlocksWritingMode() ? left() : right()); }
    385 
    386     // Whether or not a positioned element requires normal flow x/y to be computed
    387     // to determine its position.
    388     bool hasAutoLeftAndRight() const { return left().isAuto() && right().isAuto(); }
    389     bool hasAutoTopAndBottom() const { return top().isAuto() && bottom().isAuto(); }
    390     bool hasStaticInlinePosition(bool horizontal) const { return horizontal ? hasAutoLeftAndRight() : hasAutoTopAndBottom(); }
    391     bool hasStaticBlockPosition(bool horizontal) const { return horizontal ? hasAutoTopAndBottom() : hasAutoLeftAndRight(); }
    392 
    393     EPosition position() const { return static_cast<EPosition>(noninherited_flags._position); }
    394     EFloat floating() const { return static_cast<EFloat>(noninherited_flags._floating); }
    395 
    396     Length width() const { return m_box->width(); }
    397     Length height() const { return m_box->height(); }
    398     Length minWidth() const { return m_box->minWidth(); }
    399     Length maxWidth() const { return m_box->maxWidth(); }
    400     Length minHeight() const { return m_box->minHeight(); }
    401     Length maxHeight() const { return m_box->maxHeight(); }
    402 
    403     Length logicalWidth() const;
    404     Length logicalHeight() const;
    405     Length logicalMinWidth() const;
    406     Length logicalMaxWidth() const;
    407     Length logicalMinHeight() const;
    408     Length logicalMaxHeight() const;
    409 
    410     const BorderData& border() const { return surround->border; }
    411     const BorderValue& borderLeft() const { return surround->border.left(); }
    412     const BorderValue& borderRight() const { return surround->border.right(); }
    413     const BorderValue& borderTop() const { return surround->border.top(); }
    414     const BorderValue& borderBottom() const { return surround->border.bottom(); }
    415 
    416     const BorderValue& borderBefore() const;
    417     const BorderValue& borderAfter() const;
    418     const BorderValue& borderStart() const;
    419     const BorderValue& borderEnd() const;
    420 
    421     const NinePieceImage& borderImage() const { return surround->border.image(); }
    422 
    423     const LengthSize& borderTopLeftRadius() const { return surround->border.topLeft(); }
    424     const LengthSize& borderTopRightRadius() const { return surround->border.topRight(); }
    425     const LengthSize& borderBottomLeftRadius() const { return surround->border.bottomLeft(); }
    426     const LengthSize& borderBottomRightRadius() const { return surround->border.bottomRight(); }
    427     bool hasBorderRadius() const { return surround->border.hasBorderRadius(); }
    428 
    429     unsigned short borderLeftWidth() const { return surround->border.borderLeftWidth(); }
    430     EBorderStyle borderLeftStyle() const { return surround->border.left().style(); }
    431     bool borderLeftIsTransparent() const { return surround->border.left().isTransparent(); }
    432     unsigned short borderRightWidth() const { return surround->border.borderRightWidth(); }
    433     EBorderStyle borderRightStyle() const { return surround->border.right().style(); }
    434     bool borderRightIsTransparent() const { return surround->border.right().isTransparent(); }
    435     unsigned short borderTopWidth() const { return surround->border.borderTopWidth(); }
    436     EBorderStyle borderTopStyle() const { return surround->border.top().style(); }
    437     bool borderTopIsTransparent() const { return surround->border.top().isTransparent(); }
    438     unsigned short borderBottomWidth() const { return surround->border.borderBottomWidth(); }
    439     EBorderStyle borderBottomStyle() const { return surround->border.bottom().style(); }
    440     bool borderBottomIsTransparent() const { return surround->border.bottom().isTransparent(); }
    441 
    442     unsigned short borderBeforeWidth() const;
    443     unsigned short borderAfterWidth() const;
    444     unsigned short borderStartWidth() const;
    445     unsigned short borderEndWidth() const;
    446 
    447     unsigned short outlineSize() const { return max(0, outlineWidth() + outlineOffset()); }
    448     unsigned short outlineWidth() const
    449     {
    450         if (m_background->outline().style() == BNONE)
    451             return 0;
    452         return m_background->outline().width();
    453     }
    454     bool hasOutline() const { return outlineWidth() > 0 && outlineStyle() > BHIDDEN; }
    455     EBorderStyle outlineStyle() const { return m_background->outline().style(); }
    456     bool outlineStyleIsAuto() const { return m_background->outline().isAuto(); }
    457 
    458     EOverflow overflowX() const { return static_cast<EOverflow>(noninherited_flags._overflowX); }
    459     EOverflow overflowY() const { return static_cast<EOverflow>(noninherited_flags._overflowY); }
    460 
    461     EVisibility visibility() const { return static_cast<EVisibility>(inherited_flags._visibility); }
    462     EVerticalAlign verticalAlign() const { return static_cast<EVerticalAlign>(noninherited_flags._vertical_align); }
    463     Length verticalAlignLength() const { return m_box->verticalAlign(); }
    464 
    465     Length clipLeft() const { return visual->clip.left(); }
    466     Length clipRight() const { return visual->clip.right(); }
    467     Length clipTop() const { return visual->clip.top(); }
    468     Length clipBottom() const { return visual->clip.bottom(); }
    469     LengthBox clip() const { return visual->clip; }
    470     bool hasClip() const { return visual->hasClip; }
    471 
    472     EUnicodeBidi unicodeBidi() const { return static_cast<EUnicodeBidi>(noninherited_flags._unicodeBidi); }
    473 
    474     EClear clear() const { return static_cast<EClear>(noninherited_flags._clear); }
    475     ETableLayout tableLayout() const { return static_cast<ETableLayout>(noninherited_flags._table_layout); }
    476 
    477     const Font& font() const { return inherited->font; }
    478     const FontMetrics& fontMetrics() const { return inherited->font.fontMetrics(); }
    479     const FontDescription& fontDescription() const { return inherited->font.fontDescription(); }
    480     int fontSize() const { return inherited->font.pixelSize(); }
    481 
    482     Length textIndent() const { return rareInheritedData->indent; }
    483     ETextAlign textAlign() const { return static_cast<ETextAlign>(inherited_flags._text_align); }
    484     ETextTransform textTransform() const { return static_cast<ETextTransform>(inherited_flags._text_transform); }
    485     int textDecorationsInEffect() const { return inherited_flags._text_decorations; }
    486     int textDecoration() const { return visual->textDecoration; }
    487     int wordSpacing() const { return inherited->font.wordSpacing(); }
    488     int letterSpacing() const { return inherited->font.letterSpacing(); }
    489 
    490     float zoom() const { return visual->m_zoom; }
    491     float effectiveZoom() const { return rareInheritedData->m_effectiveZoom; }
    492 
    493     TextDirection direction() const { return static_cast<TextDirection>(inherited_flags._direction); }
    494     bool isLeftToRightDirection() const { return direction() == LTR; }
    495 
    496     Length lineHeight() const { return inherited->line_height; }
    497     int computedLineHeight() const
    498     {
    499         Length lh = lineHeight();
    500 
    501         // Negative value means the line height is not set.  Use the font's built-in spacing.
    502         if (lh.isNegative())
    503             return fontMetrics().lineSpacing();
    504 
    505         if (lh.isPercent())
    506             return lh.calcMinValue(fontSize());
    507 
    508         return lh.value();
    509     }
    510 
    511     EWhiteSpace whiteSpace() const { return static_cast<EWhiteSpace>(inherited_flags._white_space); }
    512     static bool autoWrap(EWhiteSpace ws)
    513     {
    514         // Nowrap and pre don't automatically wrap.
    515         return ws != NOWRAP && ws != PRE;
    516     }
    517 
    518     bool autoWrap() const
    519     {
    520         return autoWrap(whiteSpace());
    521     }
    522 
    523     static bool preserveNewline(EWhiteSpace ws)
    524     {
    525         // Normal and nowrap do not preserve newlines.
    526         return ws != NORMAL && ws != NOWRAP;
    527     }
    528 
    529     bool preserveNewline() const
    530     {
    531         return preserveNewline(whiteSpace());
    532     }
    533 
    534     static bool collapseWhiteSpace(EWhiteSpace ws)
    535     {
    536         // Pre and prewrap do not collapse whitespace.
    537         return ws != PRE && ws != PRE_WRAP;
    538     }
    539 
    540     bool collapseWhiteSpace() const
    541     {
    542         return collapseWhiteSpace(whiteSpace());
    543     }
    544 
    545     bool isCollapsibleWhiteSpace(UChar c) const
    546     {
    547         switch (c) {
    548             case ' ':
    549             case '\t':
    550                 return collapseWhiteSpace();
    551             case '\n':
    552                 return !preserveNewline();
    553         }
    554         return false;
    555     }
    556 
    557     bool breakOnlyAfterWhiteSpace() const
    558     {
    559         return whiteSpace() == PRE_WRAP || khtmlLineBreak() == AFTER_WHITE_SPACE;
    560     }
    561 
    562     bool breakWords() const
    563     {
    564         return wordBreak() == BreakWordBreak || wordWrap() == BreakWordWrap;
    565     }
    566 
    567     EFillRepeat backgroundRepeatX() const { return static_cast<EFillRepeat>(m_background->background().repeatX()); }
    568     EFillRepeat backgroundRepeatY() const { return static_cast<EFillRepeat>(m_background->background().repeatY()); }
    569     CompositeOperator backgroundComposite() const { return static_cast<CompositeOperator>(m_background->background().composite()); }
    570     EFillAttachment backgroundAttachment() const { return static_cast<EFillAttachment>(m_background->background().attachment()); }
    571     EFillBox backgroundClip() const { return static_cast<EFillBox>(m_background->background().clip()); }
    572     EFillBox backgroundOrigin() const { return static_cast<EFillBox>(m_background->background().origin()); }
    573     Length backgroundXPosition() const { return m_background->background().xPosition(); }
    574     Length backgroundYPosition() const { return m_background->background().yPosition(); }
    575     EFillSizeType backgroundSizeType() const { return m_background->background().sizeType(); }
    576     LengthSize backgroundSizeLength() const { return m_background->background().sizeLength(); }
    577     FillLayer* accessBackgroundLayers() { return &(m_background.access()->m_background); }
    578     const FillLayer* backgroundLayers() const { return &(m_background->background()); }
    579 
    580     StyleImage* maskImage() const { return rareNonInheritedData->m_mask.image(); }
    581     EFillRepeat maskRepeatX() const { return static_cast<EFillRepeat>(rareNonInheritedData->m_mask.repeatX()); }
    582     EFillRepeat maskRepeatY() const { return static_cast<EFillRepeat>(rareNonInheritedData->m_mask.repeatY()); }
    583     CompositeOperator maskComposite() const { return static_cast<CompositeOperator>(rareNonInheritedData->m_mask.composite()); }
    584     EFillAttachment maskAttachment() const { return static_cast<EFillAttachment>(rareNonInheritedData->m_mask.attachment()); }
    585     EFillBox maskClip() const { return static_cast<EFillBox>(rareNonInheritedData->m_mask.clip()); }
    586     EFillBox maskOrigin() const { return static_cast<EFillBox>(rareNonInheritedData->m_mask.origin()); }
    587     Length maskXPosition() const { return rareNonInheritedData->m_mask.xPosition(); }
    588     Length maskYPosition() const { return rareNonInheritedData->m_mask.yPosition(); }
    589     EFillSizeType maskSizeType() const { return rareNonInheritedData->m_mask.sizeType(); }
    590     LengthSize maskSizeLength() const { return rareNonInheritedData->m_mask.sizeLength(); }
    591     FillLayer* accessMaskLayers() { return &(rareNonInheritedData.access()->m_mask); }
    592     const FillLayer* maskLayers() const { return &(rareNonInheritedData->m_mask); }
    593     const NinePieceImage& maskBoxImage() const { return rareNonInheritedData->m_maskBoxImage; }
    594 
    595     // returns true for collapsing borders, false for separate borders
    596     bool borderCollapse() const { return inherited_flags._border_collapse; }
    597     short horizontalBorderSpacing() const { return inherited->horizontal_border_spacing; }
    598     short verticalBorderSpacing() const { return inherited->vertical_border_spacing; }
    599     EEmptyCell emptyCells() const { return static_cast<EEmptyCell>(inherited_flags._empty_cells); }
    600     ECaptionSide captionSide() const { return static_cast<ECaptionSide>(inherited_flags._caption_side); }
    601 
    602     short counterIncrement() const { return rareNonInheritedData->m_counterIncrement; }
    603     short counterReset() const { return rareNonInheritedData->m_counterReset; }
    604 
    605     EListStyleType listStyleType() const { return static_cast<EListStyleType>(inherited_flags._list_style_type); }
    606     StyleImage* listStyleImage() const { return inherited->list_style_image.get(); }
    607     EListStylePosition listStylePosition() const { return static_cast<EListStylePosition>(inherited_flags._list_style_position); }
    608 
    609     Length marginTop() const { return surround->margin.top(); }
    610     Length marginBottom() const { return surround->margin.bottom(); }
    611     Length marginLeft() const { return surround->margin.left(); }
    612     Length marginRight() const { return surround->margin.right(); }
    613     Length marginBefore() const;
    614     Length marginAfter() const;
    615     Length marginStart() const;
    616     Length marginEnd() const;
    617     Length marginStartUsing(const RenderStyle* otherStyle) const;
    618     Length marginEndUsing(const RenderStyle* otherStyle) const;
    619     Length marginBeforeUsing(const RenderStyle* otherStyle) const;
    620     Length marginAfterUsing(const RenderStyle* otherStyle) const;
    621 
    622     LengthBox paddingBox() const { return surround->padding; }
    623     Length paddingTop() const { return surround->padding.top(); }
    624     Length paddingBottom() const { return surround->padding.bottom(); }
    625     Length paddingLeft() const { return surround->padding.left(); }
    626     Length paddingRight() const { return surround->padding.right(); }
    627     Length paddingBefore() const;
    628     Length paddingAfter() const;
    629     Length paddingStart() const;
    630     Length paddingEnd() const;
    631 
    632     ECursor cursor() const { return static_cast<ECursor>(inherited_flags._cursor_style); }
    633 
    634     CursorList* cursors() const { return rareInheritedData->cursorData.get(); }
    635 
    636     EInsideLink insideLink() const { return static_cast<EInsideLink>(inherited_flags._insideLink); }
    637     bool isLink() const { return noninherited_flags._isLink; }
    638 
    639     short widows() const { return rareInheritedData->widows; }
    640     short orphans() const { return rareInheritedData->orphans; }
    641     EPageBreak pageBreakInside() const { return static_cast<EPageBreak>(noninherited_flags._page_break_inside); }
    642     EPageBreak pageBreakBefore() const { return static_cast<EPageBreak>(noninherited_flags._page_break_before); }
    643     EPageBreak pageBreakAfter() const { return static_cast<EPageBreak>(noninherited_flags._page_break_after); }
    644 
    645     // CSS3 Getter Methods
    646 
    647     int outlineOffset() const
    648     {
    649         if (m_background->outline().style() == BNONE)
    650             return 0;
    651         return m_background->outline().offset();
    652     }
    653 
    654     const ShadowData* textShadow() const { return rareInheritedData->textShadow; }
    655     void getTextShadowExtent(int& top, int& right, int& bottom, int& left) const { getShadowExtent(textShadow(), top, right, bottom, left); }
    656     void getTextShadowHorizontalExtent(int& left, int& right) const { getShadowHorizontalExtent(textShadow(), left, right); }
    657     void getTextShadowVerticalExtent(int& top, int& bottom) const { getShadowVerticalExtent(textShadow(), top, bottom); }
    658     void getTextShadowInlineDirectionExtent(int& logicalLeft, int& logicalRight) { getShadowInlineDirectionExtent(textShadow(), logicalLeft, logicalRight); }
    659     void getTextShadowBlockDirectionExtent(int& logicalTop, int& logicalBottom) { getShadowBlockDirectionExtent(textShadow(), logicalTop, logicalBottom); }
    660 
    661     float textStrokeWidth() const { return rareInheritedData->textStrokeWidth; }
    662     ColorSpace colorSpace() const { return static_cast<ColorSpace>(rareInheritedData->colorSpace); }
    663     float opacity() const { return rareNonInheritedData->opacity; }
    664     ControlPart appearance() const { return static_cast<ControlPart>(rareNonInheritedData->m_appearance); }
    665     EBoxAlignment boxAlign() const { return static_cast<EBoxAlignment>(rareNonInheritedData->flexibleBox->align); }
    666     EBoxDirection boxDirection() const { return static_cast<EBoxDirection>(inherited_flags._box_direction); }
    667     float boxFlex() { return rareNonInheritedData->flexibleBox->flex; }
    668     unsigned int boxFlexGroup() const { return rareNonInheritedData->flexibleBox->flex_group; }
    669     EBoxLines boxLines() { return static_cast<EBoxLines>(rareNonInheritedData->flexibleBox->lines); }
    670     unsigned int boxOrdinalGroup() const { return rareNonInheritedData->flexibleBox->ordinal_group; }
    671     EBoxOrient boxOrient() const { return static_cast<EBoxOrient>(rareNonInheritedData->flexibleBox->orient); }
    672     EBoxAlignment boxPack() const { return static_cast<EBoxAlignment>(rareNonInheritedData->flexibleBox->pack); }
    673 
    674     const ShadowData* boxShadow() const { return rareNonInheritedData->m_boxShadow.get(); }
    675     void getBoxShadowExtent(int& top, int& right, int& bottom, int& left) const { getShadowExtent(boxShadow(), top, right, bottom, left); }
    676     void getBoxShadowHorizontalExtent(int& left, int& right) const { getShadowHorizontalExtent(boxShadow(), left, right); }
    677     void getBoxShadowVerticalExtent(int& top, int& bottom) const { getShadowVerticalExtent(boxShadow(), top, bottom); }
    678     void getBoxShadowInlineDirectionExtent(int& logicalLeft, int& logicalRight) { getShadowInlineDirectionExtent(boxShadow(), logicalLeft, logicalRight); }
    679     void getBoxShadowBlockDirectionExtent(int& logicalTop, int& logicalBottom) { getShadowBlockDirectionExtent(boxShadow(), logicalTop, logicalBottom); }
    680 
    681     StyleReflection* boxReflect() const { return rareNonInheritedData->m_boxReflect.get(); }
    682     EBoxSizing boxSizing() const { return m_box->boxSizing(); }
    683     Length marqueeIncrement() const { return rareNonInheritedData->marquee->increment; }
    684     int marqueeSpeed() const { return rareNonInheritedData->marquee->speed; }
    685     int marqueeLoopCount() const { return rareNonInheritedData->marquee->loops; }
    686     EMarqueeBehavior marqueeBehavior() const { return static_cast<EMarqueeBehavior>(rareNonInheritedData->marquee->behavior); }
    687     EMarqueeDirection marqueeDirection() const { return static_cast<EMarqueeDirection>(rareNonInheritedData->marquee->direction); }
    688     EUserModify userModify() const { return static_cast<EUserModify>(rareInheritedData->userModify); }
    689     EUserDrag userDrag() const { return static_cast<EUserDrag>(rareNonInheritedData->userDrag); }
    690     EUserSelect userSelect() const { return static_cast<EUserSelect>(rareInheritedData->userSelect); }
    691     bool textOverflow() const { return rareNonInheritedData->textOverflow; }
    692     EMarginCollapse marginBeforeCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginBeforeCollapse); }
    693     EMarginCollapse marginAfterCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginAfterCollapse); }
    694     EWordBreak wordBreak() const { return static_cast<EWordBreak>(rareInheritedData->wordBreak); }
    695     EWordWrap wordWrap() const { return static_cast<EWordWrap>(rareInheritedData->wordWrap); }
    696     ENBSPMode nbspMode() const { return static_cast<ENBSPMode>(rareInheritedData->nbspMode); }
    697     EKHTMLLineBreak khtmlLineBreak() const { return static_cast<EKHTMLLineBreak>(rareInheritedData->khtmlLineBreak); }
    698     EMatchNearestMailBlockquoteColor matchNearestMailBlockquoteColor() const { return static_cast<EMatchNearestMailBlockquoteColor>(rareNonInheritedData->matchNearestMailBlockquoteColor); }
    699     const AtomicString& highlight() const { return rareInheritedData->highlight; }
    700     Hyphens hyphens() const { return static_cast<Hyphens>(rareInheritedData->hyphens); }
    701     short hyphenationLimitBefore() const { return rareInheritedData->hyphenationLimitBefore; }
    702     short hyphenationLimitAfter() const { return rareInheritedData->hyphenationLimitAfter; }
    703     const AtomicString& hyphenationString() const { return rareInheritedData->hyphenationString; }
    704     const AtomicString& locale() const { return rareInheritedData->locale; }
    705     EBorderFit borderFit() const { return static_cast<EBorderFit>(rareNonInheritedData->m_borderFit); }
    706     EResize resize() const { return static_cast<EResize>(rareInheritedData->resize); }
    707     float columnWidth() const { return rareNonInheritedData->m_multiCol->m_width; }
    708     bool hasAutoColumnWidth() const { return rareNonInheritedData->m_multiCol->m_autoWidth; }
    709     unsigned short columnCount() const { return rareNonInheritedData->m_multiCol->m_count; }
    710     bool hasAutoColumnCount() const { return rareNonInheritedData->m_multiCol->m_autoCount; }
    711     bool specifiesColumns() const { return !hasAutoColumnCount() || !hasAutoColumnWidth(); }
    712     float columnGap() const { return rareNonInheritedData->m_multiCol->m_gap; }
    713     bool hasNormalColumnGap() const { return rareNonInheritedData->m_multiCol->m_normalGap; }
    714     EBorderStyle columnRuleStyle() const { return rareNonInheritedData->m_multiCol->m_rule.style(); }
    715     unsigned short columnRuleWidth() const { return rareNonInheritedData->m_multiCol->ruleWidth(); }
    716     bool columnRuleIsTransparent() const { return rareNonInheritedData->m_multiCol->m_rule.isTransparent(); }
    717     bool columnSpan() const { return rareNonInheritedData->m_multiCol->m_columnSpan; }
    718     EPageBreak columnBreakBefore() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakBefore); }
    719     EPageBreak columnBreakInside() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakInside); }
    720     EPageBreak columnBreakAfter() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakAfter); }
    721     const TransformOperations& transform() const { return rareNonInheritedData->m_transform->m_operations; }
    722     Length transformOriginX() const { return rareNonInheritedData->m_transform->m_x; }
    723     Length transformOriginY() const { return rareNonInheritedData->m_transform->m_y; }
    724     float transformOriginZ() const { return rareNonInheritedData->m_transform->m_z; }
    725     bool hasTransform() const { return !rareNonInheritedData->m_transform->m_operations.operations().isEmpty(); }
    726 
    727     TextEmphasisFill textEmphasisFill() const { return static_cast<TextEmphasisFill>(rareInheritedData->textEmphasisFill); }
    728     TextEmphasisMark textEmphasisMark() const;
    729     const AtomicString& textEmphasisCustomMark() const { return rareInheritedData->textEmphasisCustomMark; }
    730     TextEmphasisPosition textEmphasisPosition() const { return static_cast<TextEmphasisPosition>(rareInheritedData->textEmphasisPosition); }
    731     const AtomicString& textEmphasisMarkString() const;
    732 
    733     // Return true if any transform related property (currently transform, transformStyle3D or perspective)
    734     // indicates that we are transforming
    735     bool hasTransformRelatedProperty() const { return hasTransform() || preserves3D() || hasPerspective(); }
    736 
    737     enum ApplyTransformOrigin { IncludeTransformOrigin, ExcludeTransformOrigin };
    738     void applyTransform(TransformationMatrix&, const IntSize& borderBoxSize, ApplyTransformOrigin = IncludeTransformOrigin) const;
    739     void setPageScaleTransform(float);
    740 
    741     bool hasMask() const { return rareNonInheritedData->m_mask.hasImage() || rareNonInheritedData->m_maskBoxImage.hasImage(); }
    742 
    743     TextCombine textCombine() const { return static_cast<TextCombine>(rareNonInheritedData->m_textCombine); }
    744     bool hasTextCombine() const { return textCombine() != TextCombineNone; }
    745     // End CSS3 Getters
    746 
    747     // Apple-specific property getter methods
    748     EPointerEvents pointerEvents() const { return static_cast<EPointerEvents>(inherited_flags._pointerEvents); }
    749     const AnimationList* animations() const { return rareNonInheritedData->m_animations.get(); }
    750     const AnimationList* transitions() const { return rareNonInheritedData->m_transitions.get(); }
    751 
    752     AnimationList* accessAnimations();
    753     AnimationList* accessTransitions();
    754 
    755     bool hasAnimations() const { return rareNonInheritedData->m_animations && rareNonInheritedData->m_animations->size() > 0; }
    756     bool hasTransitions() const { return rareNonInheritedData->m_transitions && rareNonInheritedData->m_transitions->size() > 0; }
    757 
    758     // return the first found Animation (including 'all' transitions)
    759     const Animation* transitionForProperty(int property) const;
    760 
    761     ETransformStyle3D transformStyle3D() const { return rareNonInheritedData->m_transformStyle3D; }
    762     bool preserves3D() const { return rareNonInheritedData->m_transformStyle3D == TransformStyle3DPreserve3D; }
    763 
    764     EBackfaceVisibility backfaceVisibility() const { return rareNonInheritedData->m_backfaceVisibility; }
    765     float perspective() const { return rareNonInheritedData->m_perspective; }
    766     bool hasPerspective() const { return rareNonInheritedData->m_perspective > 0; }
    767     Length perspectiveOriginX() const { return rareNonInheritedData->m_perspectiveOriginX; }
    768     Length perspectiveOriginY() const { return rareNonInheritedData->m_perspectiveOriginY; }
    769     LengthSize pageSize() const { return rareNonInheritedData->m_pageSize; }
    770     PageSizeType pageSizeType() const { return rareNonInheritedData->m_pageSizeType; }
    771 
    772 #if USE(ACCELERATED_COMPOSITING)
    773     // When set, this ensures that styles compare as different. Used during accelerated animations.
    774     bool isRunningAcceleratedAnimation() const { return rareNonInheritedData->m_runningAcceleratedAnimation; }
    775 #endif
    776 
    777     LineBoxContain lineBoxContain() const { return rareInheritedData->m_lineBoxContain; }
    778     const LineClampValue& lineClamp() const { return rareNonInheritedData->lineClamp; }
    779     bool textSizeAdjust() const { return rareInheritedData->textSizeAdjust; }
    780     ETextSecurity textSecurity() const { return static_cast<ETextSecurity>(rareInheritedData->textSecurity); }
    781 
    782     WritingMode writingMode() const { return static_cast<WritingMode>(inherited_flags.m_writingMode); }
    783     bool isHorizontalWritingMode() const { return writingMode() == TopToBottomWritingMode || writingMode() == BottomToTopWritingMode; }
    784     bool isFlippedLinesWritingMode() const { return writingMode() == LeftToRightWritingMode || writingMode() == BottomToTopWritingMode; }
    785     bool isFlippedBlocksWritingMode() const { return writingMode() == RightToLeftWritingMode || writingMode() == BottomToTopWritingMode; }
    786 
    787     ESpeak speak() { return static_cast<ESpeak>(rareInheritedData->speak); }
    788 
    789 #ifdef ANDROID_CSS_TAP_HIGHLIGHT_COLOR
    790     Color tapHighlightColor() const { return rareInheritedData->tapHighlightColor; }
    791 #endif
    792 // attribute setter methods
    793 
    794     void setDisplay(EDisplay v) { noninherited_flags._effectiveDisplay = v; }
    795     void setOriginalDisplay(EDisplay v) { noninherited_flags._originalDisplay = v; }
    796     void setPosition(EPosition v) { noninherited_flags._position = v; }
    797     void setFloating(EFloat v) { noninherited_flags._floating = v; }
    798 
    799     void setLeft(Length v) { SET_VAR(surround, offset.m_left, v) }
    800     void setRight(Length v) { SET_VAR(surround, offset.m_right, v) }
    801     void setTop(Length v) { SET_VAR(surround, offset.m_top, v) }
    802     void setBottom(Length v) { SET_VAR(surround, offset.m_bottom, v) }
    803 
    804     void setWidth(Length v) { SET_VAR(m_box, m_width, v) }
    805     void setHeight(Length v) { SET_VAR(m_box, m_height, v) }
    806 
    807     void setMinWidth(Length v) { SET_VAR(m_box, m_minWidth, v) }
    808     void setMaxWidth(Length v) { SET_VAR(m_box, m_maxWidth, v) }
    809     void setMinHeight(Length v) { SET_VAR(m_box, m_minHeight, v) }
    810     void setMaxHeight(Length v) { SET_VAR(m_box, m_maxHeight, v) }
    811 
    812 #if ENABLE(DASHBOARD_SUPPORT)
    813     Vector<StyleDashboardRegion> dashboardRegions() const { return rareNonInheritedData->m_dashboardRegions; }
    814     void setDashboardRegions(Vector<StyleDashboardRegion> regions) { SET_VAR(rareNonInheritedData, m_dashboardRegions, regions); }
    815 
    816     void setDashboardRegion(int type, const String& label, Length t, Length r, Length b, Length l, bool append)
    817     {
    818         StyleDashboardRegion region;
    819         region.label = label;
    820         region.offset.m_top = t;
    821         region.offset.m_right = r;
    822         region.offset.m_bottom = b;
    823         region.offset.m_left = l;
    824         region.type = type;
    825         if (!append)
    826             rareNonInheritedData.access()->m_dashboardRegions.clear();
    827         rareNonInheritedData.access()->m_dashboardRegions.append(region);
    828     }
    829 #endif
    830 
    831     void resetBorder() { resetBorderImage(); resetBorderTop(); resetBorderRight(); resetBorderBottom(); resetBorderLeft(); resetBorderRadius(); }
    832     void resetBorderTop() { SET_VAR(surround, border.m_top, BorderValue()) }
    833     void resetBorderRight() { SET_VAR(surround, border.m_right, BorderValue()) }
    834     void resetBorderBottom() { SET_VAR(surround, border.m_bottom, BorderValue()) }
    835     void resetBorderLeft() { SET_VAR(surround, border.m_left, BorderValue()) }
    836     void resetBorderImage() { SET_VAR(surround, border.m_image, NinePieceImage()) }
    837     void resetBorderRadius() { resetBorderTopLeftRadius(); resetBorderTopRightRadius(); resetBorderBottomLeftRadius(); resetBorderBottomRightRadius(); }
    838     void resetBorderTopLeftRadius() { SET_VAR(surround, border.m_topLeft, initialBorderRadius()) }
    839     void resetBorderTopRightRadius() { SET_VAR(surround, border.m_topRight, initialBorderRadius()) }
    840     void resetBorderBottomLeftRadius() { SET_VAR(surround, border.m_bottomLeft, initialBorderRadius()) }
    841     void resetBorderBottomRightRadius() { SET_VAR(surround, border.m_bottomRight, initialBorderRadius()) }
    842 
    843     void resetOutline() { SET_VAR(m_background, m_outline, OutlineValue()) }
    844 
    845     void setBackgroundColor(const Color& v) { SET_VAR(m_background, m_color, v) }
    846 
    847     void setBackgroundXPosition(Length l) { SET_VAR(m_background, m_background.m_xPosition, l) }
    848     void setBackgroundYPosition(Length l) { SET_VAR(m_background, m_background.m_yPosition, l) }
    849     void setBackgroundSize(EFillSizeType b) { SET_VAR(m_background, m_background.m_sizeType, b) }
    850     void setBackgroundSizeLength(LengthSize l) { SET_VAR(m_background, m_background.m_sizeLength, l) }
    851 
    852     void setBorderImage(const NinePieceImage& b) { SET_VAR(surround, border.m_image, b) }
    853 
    854     void setBorderTopLeftRadius(const LengthSize& s) { SET_VAR(surround, border.m_topLeft, s) }
    855     void setBorderTopRightRadius(const LengthSize& s) { SET_VAR(surround, border.m_topRight, s) }
    856     void setBorderBottomLeftRadius(const LengthSize& s) { SET_VAR(surround, border.m_bottomLeft, s) }
    857     void setBorderBottomRightRadius(const LengthSize& s) { SET_VAR(surround, border.m_bottomRight, s) }
    858 
    859     void setBorderRadius(const LengthSize& s)
    860     {
    861         setBorderTopLeftRadius(s);
    862         setBorderTopRightRadius(s);
    863         setBorderBottomLeftRadius(s);
    864         setBorderBottomRightRadius(s);
    865     }
    866     void setBorderRadius(const IntSize& s)
    867     {
    868         setBorderRadius(LengthSize(Length(s.width(), Fixed), Length(s.height(), Fixed)));
    869     }
    870 
    871     RoundedIntRect getRoundedBorderFor(const IntRect& borderRect, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true) const;
    872     RoundedIntRect getRoundedInnerBorderFor(const IntRect& borderRect, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true) const;
    873 
    874     RoundedIntRect getRoundedInnerBorderFor(const IntRect& borderRect,
    875         int topWidth, int bottomWidth, int leftWidth, int rightWidth, bool includeLogicalLeftEdge, bool includeLogicalRightEdge) const;
    876 
    877     void setBorderLeftWidth(unsigned short v) { SET_VAR(surround, border.m_left.m_width, v) }
    878     void setBorderLeftStyle(EBorderStyle v) { SET_VAR(surround, border.m_left.m_style, v) }
    879     void setBorderLeftColor(const Color& v) { SET_VAR(surround, border.m_left.m_color, v) }
    880     void setBorderRightWidth(unsigned short v) { SET_VAR(surround, border.m_right.m_width, v) }
    881     void setBorderRightStyle(EBorderStyle v) { SET_VAR(surround, border.m_right.m_style, v) }
    882     void setBorderRightColor(const Color& v) { SET_VAR(surround, border.m_right.m_color, v) }
    883     void setBorderTopWidth(unsigned short v) { SET_VAR(surround, border.m_top.m_width, v) }
    884     void setBorderTopStyle(EBorderStyle v) { SET_VAR(surround, border.m_top.m_style, v) }
    885     void setBorderTopColor(const Color& v) { SET_VAR(surround, border.m_top.m_color, v) }
    886     void setBorderBottomWidth(unsigned short v) { SET_VAR(surround, border.m_bottom.m_width, v) }
    887     void setBorderBottomStyle(EBorderStyle v) { SET_VAR(surround, border.m_bottom.m_style, v) }
    888     void setBorderBottomColor(const Color& v) { SET_VAR(surround, border.m_bottom.m_color, v) }
    889     void setOutlineWidth(unsigned short v) { SET_VAR(m_background, m_outline.m_width, v) }
    890 
    891     void setOutlineStyle(EBorderStyle v, bool isAuto = false)
    892     {
    893         SET_VAR(m_background, m_outline.m_style, v)
    894         SET_VAR(m_background, m_outline.m_isAuto, isAuto)
    895     }
    896 
    897     void setOutlineColor(const Color& v) { SET_VAR(m_background, m_outline.m_color, v) }
    898 
    899     void setOverflowX(EOverflow v) { noninherited_flags._overflowX = v; }
    900     void setOverflowY(EOverflow v) { noninherited_flags._overflowY = v; }
    901     void setVisibility(EVisibility v) { inherited_flags._visibility = v; }
    902     void setVerticalAlign(EVerticalAlign v) { noninherited_flags._vertical_align = v; }
    903     void setVerticalAlignLength(Length l) { SET_VAR(m_box, m_verticalAlign, l) }
    904 
    905     void setHasClip(bool b = true) { SET_VAR(visual, hasClip, b) }
    906     void setClipLeft(Length v) { SET_VAR(visual, clip.m_left, v) }
    907     void setClipRight(Length v) { SET_VAR(visual, clip.m_right, v) }
    908     void setClipTop(Length v) { SET_VAR(visual, clip.m_top, v) }
    909     void setClipBottom(Length v) { SET_VAR(visual, clip.m_bottom, v) }
    910     void setClip(Length top, Length right, Length bottom, Length left);
    911     void setClip(LengthBox box) { SET_VAR(visual, clip, box) }
    912 
    913     void setUnicodeBidi(EUnicodeBidi b) { noninherited_flags._unicodeBidi = b; }
    914 
    915     void setClear(EClear v) { noninherited_flags._clear = v; }
    916     void setTableLayout(ETableLayout v) { noninherited_flags._table_layout = v; }
    917 
    918     bool setFontDescription(const FontDescription& v)
    919     {
    920         if (inherited->font.fontDescription() != v) {
    921             inherited.access()->font = Font(v, inherited->font.letterSpacing(), inherited->font.wordSpacing());
    922             return true;
    923         }
    924         return false;
    925     }
    926 
    927     // Only used for blending font sizes when animating.
    928     void setBlendedFontSize(int);
    929 
    930     void setColor(const Color& v) { SET_VAR(inherited, color, v) }
    931     void setTextIndent(Length v) { SET_VAR(rareInheritedData, indent, v) }
    932     void setTextAlign(ETextAlign v) { inherited_flags._text_align = v; }
    933     void setTextTransform(ETextTransform v) { inherited_flags._text_transform = v; }
    934     void addToTextDecorationsInEffect(int v) { inherited_flags._text_decorations |= v; }
    935     void setTextDecorationsInEffect(int v) { inherited_flags._text_decorations = v; }
    936     void setTextDecoration(int v) { SET_VAR(visual, textDecoration, v); }
    937     void setDirection(TextDirection v) { inherited_flags._direction = v; }
    938     void setLineHeight(Length v) { SET_VAR(inherited, line_height, v) }
    939     void setZoom(float f) { SET_VAR(visual, m_zoom, f); setEffectiveZoom(effectiveZoom() * zoom()); }
    940     void setEffectiveZoom(float f) { SET_VAR(rareInheritedData, m_effectiveZoom, f) }
    941 
    942     void setWhiteSpace(EWhiteSpace v) { inherited_flags._white_space = v; }
    943 
    944     void setWordSpacing(int v) { inherited.access()->font.setWordSpacing(v); }
    945     void setLetterSpacing(int v) { inherited.access()->font.setLetterSpacing(v); }
    946 
    947     void clearBackgroundLayers() { m_background.access()->m_background = FillLayer(BackgroundFillLayer); }
    948     void inheritBackgroundLayers(const FillLayer& parent) { m_background.access()->m_background = parent; }
    949 
    950     void adjustBackgroundLayers()
    951     {
    952         if (backgroundLayers()->next()) {
    953             accessBackgroundLayers()->cullEmptyLayers();
    954             accessBackgroundLayers()->fillUnsetProperties();
    955         }
    956     }
    957 
    958     void clearMaskLayers() { rareNonInheritedData.access()->m_mask = FillLayer(MaskFillLayer); }
    959     void inheritMaskLayers(const FillLayer& parent) { rareNonInheritedData.access()->m_mask = parent; }
    960 
    961     void adjustMaskLayers()
    962     {
    963         if (maskLayers()->next()) {
    964             accessMaskLayers()->cullEmptyLayers();
    965             accessMaskLayers()->fillUnsetProperties();
    966         }
    967     }
    968 
    969     void setMaskBoxImage(const NinePieceImage& b) { SET_VAR(rareNonInheritedData, m_maskBoxImage, b) }
    970     void setMaskXPosition(Length l) { SET_VAR(rareNonInheritedData, m_mask.m_xPosition, l) }
    971     void setMaskYPosition(Length l) { SET_VAR(rareNonInheritedData, m_mask.m_yPosition, l) }
    972     void setMaskSize(LengthSize l) { SET_VAR(rareNonInheritedData, m_mask.m_sizeLength, l) }
    973 
    974     void setBorderCollapse(bool collapse) { inherited_flags._border_collapse = collapse; }
    975     void setHorizontalBorderSpacing(short v) { SET_VAR(inherited, horizontal_border_spacing, v) }
    976     void setVerticalBorderSpacing(short v) { SET_VAR(inherited, vertical_border_spacing, v) }
    977     void setEmptyCells(EEmptyCell v) { inherited_flags._empty_cells = v; }
    978     void setCaptionSide(ECaptionSide v) { inherited_flags._caption_side = v; }
    979 
    980     void setCounterIncrement(short v) { SET_VAR(rareNonInheritedData, m_counterIncrement, v) }
    981     void setCounterReset(short v) { SET_VAR(rareNonInheritedData, m_counterReset, v) }
    982 
    983     void setListStyleType(EListStyleType v) { inherited_flags._list_style_type = v; }
    984     void setListStyleImage(PassRefPtr<StyleImage> v) { if (inherited->list_style_image != v) inherited.access()->list_style_image = v; }
    985     void setListStylePosition(EListStylePosition v) { inherited_flags._list_style_position = v; }
    986 
    987     void resetMargin() { SET_VAR(surround, margin, LengthBox(Fixed)) }
    988     void setMarginTop(Length v) { SET_VAR(surround, margin.m_top, v) }
    989     void setMarginBottom(Length v) { SET_VAR(surround, margin.m_bottom, v) }
    990     void setMarginLeft(Length v) { SET_VAR(surround, margin.m_left, v) }
    991     void setMarginRight(Length v) { SET_VAR(surround, margin.m_right, v) }
    992     void setMarginStart(Length);
    993     void setMarginEnd(Length);
    994 
    995     void resetPadding() { SET_VAR(surround, padding, LengthBox(Auto)) }
    996     void setPaddingBox(const LengthBox& b) { SET_VAR(surround, padding, b) }
    997     void setPaddingTop(Length v) { SET_VAR(surround, padding.m_top, v) }
    998     void setPaddingBottom(Length v) { SET_VAR(surround, padding.m_bottom, v) }
    999     void setPaddingLeft(Length v) { SET_VAR(surround, padding.m_left, v) }
   1000     void setPaddingRight(Length v) { SET_VAR(surround, padding.m_right, v) }
   1001 
   1002     void setCursor(ECursor c) { inherited_flags._cursor_style = c; }
   1003     void addCursor(PassRefPtr<StyleImage>, const IntPoint& hotSpot = IntPoint());
   1004     void setCursorList(PassRefPtr<CursorList>);
   1005     void clearCursorList();
   1006 
   1007     void setInsideLink(EInsideLink insideLink) { inherited_flags._insideLink = insideLink; }
   1008     void setIsLink(bool b) { noninherited_flags._isLink = b; }
   1009 
   1010     bool forceBackgroundsToWhite() const { return inherited_flags._force_backgrounds_to_white; }
   1011     void setForceBackgroundsToWhite(bool b=true) { inherited_flags._force_backgrounds_to_white = b; }
   1012 
   1013     bool hasAutoZIndex() const { return m_box->hasAutoZIndex(); }
   1014     void setHasAutoZIndex() { SET_VAR(m_box, m_hasAutoZIndex, true); SET_VAR(m_box, m_zIndex, 0) }
   1015     int zIndex() const { return m_box->zIndex(); }
   1016     void setZIndex(int v) { SET_VAR(m_box, m_hasAutoZIndex, false); SET_VAR(m_box, m_zIndex, v) }
   1017 
   1018     void setWidows(short w) { SET_VAR(rareInheritedData, widows, w); }
   1019     void setOrphans(short o) { SET_VAR(rareInheritedData, orphans, o); }
   1020     void setPageBreakInside(EPageBreak b) { noninherited_flags._page_break_inside = b; }
   1021     void setPageBreakBefore(EPageBreak b) { noninherited_flags._page_break_before = b; }
   1022     void setPageBreakAfter(EPageBreak b) { noninherited_flags._page_break_after = b; }
   1023 
   1024     // CSS3 Setters
   1025     void setOutlineOffset(int v) { SET_VAR(m_background, m_outline.m_offset, v) }
   1026     void setTextShadow(ShadowData* val, bool add=false);
   1027     void setTextStrokeColor(const Color& c) { SET_VAR(rareInheritedData, textStrokeColor, c) }
   1028     void setTextStrokeWidth(float w) { SET_VAR(rareInheritedData, textStrokeWidth, w) }
   1029     void setTextFillColor(const Color& c) { SET_VAR(rareInheritedData, textFillColor, c) }
   1030     void setColorSpace(ColorSpace space) { SET_VAR(rareInheritedData, colorSpace, space) }
   1031     void setOpacity(float f) { SET_VAR(rareNonInheritedData, opacity, f); }
   1032     void setAppearance(ControlPart a) { SET_VAR(rareNonInheritedData, m_appearance, a); }
   1033     void setBoxAlign(EBoxAlignment a) { SET_VAR(rareNonInheritedData.access()->flexibleBox, align, a); }
   1034     void setBoxDirection(EBoxDirection d) { inherited_flags._box_direction = d; }
   1035     void setBoxFlex(float f) { SET_VAR(rareNonInheritedData.access()->flexibleBox, flex, f); }
   1036     void setBoxFlexGroup(unsigned int fg) { SET_VAR(rareNonInheritedData.access()->flexibleBox, flex_group, fg); }
   1037     void setBoxLines(EBoxLines l) { SET_VAR(rareNonInheritedData.access()->flexibleBox, lines, l); }
   1038     void setBoxOrdinalGroup(unsigned int og) { SET_VAR(rareNonInheritedData.access()->flexibleBox, ordinal_group, og); }
   1039     void setBoxOrient(EBoxOrient o) { SET_VAR(rareNonInheritedData.access()->flexibleBox, orient, o); }
   1040     void setBoxPack(EBoxAlignment p) { SET_VAR(rareNonInheritedData.access()->flexibleBox, pack, p); }
   1041     void setBoxShadow(ShadowData* val, bool add=false);
   1042     void setBoxReflect(PassRefPtr<StyleReflection> reflect) { if (rareNonInheritedData->m_boxReflect != reflect) rareNonInheritedData.access()->m_boxReflect = reflect; }
   1043     void setBoxSizing(EBoxSizing s) { SET_VAR(m_box, m_boxSizing, s); }
   1044     void setMarqueeIncrement(const Length& f) { SET_VAR(rareNonInheritedData.access()->marquee, increment, f); }
   1045     void setMarqueeSpeed(int f) { SET_VAR(rareNonInheritedData.access()->marquee, speed, f); }
   1046     void setMarqueeDirection(EMarqueeDirection d) { SET_VAR(rareNonInheritedData.access()->marquee, direction, d); }
   1047     void setMarqueeBehavior(EMarqueeBehavior b) { SET_VAR(rareNonInheritedData.access()->marquee, behavior, b); }
   1048     void setMarqueeLoopCount(int i) { SET_VAR(rareNonInheritedData.access()->marquee, loops, i); }
   1049     void setUserModify(EUserModify u) { SET_VAR(rareInheritedData, userModify, u); }
   1050     void setUserDrag(EUserDrag d) { SET_VAR(rareNonInheritedData, userDrag, d); }
   1051     void setUserSelect(EUserSelect s) { SET_VAR(rareInheritedData, userSelect, s); }
   1052     void setTextOverflow(bool b) { SET_VAR(rareNonInheritedData, textOverflow, b); }
   1053     void setMarginBeforeCollapse(EMarginCollapse c) { SET_VAR(rareNonInheritedData, marginBeforeCollapse, c); }
   1054     void setMarginAfterCollapse(EMarginCollapse c) { SET_VAR(rareNonInheritedData, marginAfterCollapse, c); }
   1055     void setWordBreak(EWordBreak b) { SET_VAR(rareInheritedData, wordBreak, b); }
   1056     void setWordWrap(EWordWrap b) { SET_VAR(rareInheritedData, wordWrap, b); }
   1057     void setNBSPMode(ENBSPMode b) { SET_VAR(rareInheritedData, nbspMode, b); }
   1058     void setKHTMLLineBreak(EKHTMLLineBreak b) { SET_VAR(rareInheritedData, khtmlLineBreak, b); }
   1059     void setMatchNearestMailBlockquoteColor(EMatchNearestMailBlockquoteColor c) { SET_VAR(rareNonInheritedData, matchNearestMailBlockquoteColor, c); }
   1060     void setHighlight(const AtomicString& h) { SET_VAR(rareInheritedData, highlight, h); }
   1061     void setHyphens(Hyphens h) { SET_VAR(rareInheritedData, hyphens, h); }
   1062     void setHyphenationLimitBefore(short limit) { SET_VAR(rareInheritedData, hyphenationLimitBefore, limit); }
   1063     void setHyphenationLimitAfter(short limit) { SET_VAR(rareInheritedData, hyphenationLimitAfter, limit); }
   1064     void setHyphenationString(const AtomicString& h) { SET_VAR(rareInheritedData, hyphenationString, h); }
   1065     void setLocale(const AtomicString& locale) { SET_VAR(rareInheritedData, locale, locale); }
   1066     void setBorderFit(EBorderFit b) { SET_VAR(rareNonInheritedData, m_borderFit, b); }
   1067     void setResize(EResize r) { SET_VAR(rareInheritedData, resize, r); }
   1068     void setColumnWidth(float f) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoWidth, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_width, f); }
   1069     void setHasAutoColumnWidth() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoWidth, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_width, 0); }
   1070     void setColumnCount(unsigned short c) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoCount, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_count, c); }
   1071     void setHasAutoColumnCount() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoCount, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_count, 0); }
   1072     void setColumnGap(float f) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_normalGap, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_gap, f); }
   1073     void setHasNormalColumnGap() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_normalGap, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_gap, 0); }
   1074     void setColumnRuleColor(const Color& c) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule.m_color, c); }
   1075     void setColumnRuleStyle(EBorderStyle b) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule.m_style, b); }
   1076     void setColumnRuleWidth(unsigned short w) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule.m_width, w); }
   1077     void resetColumnRule() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule, BorderValue()) }
   1078     void setColumnSpan(bool b) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_columnSpan, b); }
   1079     void setColumnBreakBefore(EPageBreak p) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakBefore, p); }
   1080     void setColumnBreakInside(EPageBreak p) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakInside, p); }
   1081     void setColumnBreakAfter(EPageBreak p) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakAfter, p); }
   1082     void inheritColumnPropertiesFrom(RenderStyle* parent) { rareNonInheritedData.access()->m_multiCol = parent->rareNonInheritedData->m_multiCol; }
   1083     void setTransform(const TransformOperations& ops) { SET_VAR(rareNonInheritedData.access()->m_transform, m_operations, ops); }
   1084     void setTransformOriginX(Length l) { SET_VAR(rareNonInheritedData.access()->m_transform, m_x, l); }
   1085     void setTransformOriginY(Length l) { SET_VAR(rareNonInheritedData.access()->m_transform, m_y, l); }
   1086     void setTransformOriginZ(float f) { SET_VAR(rareNonInheritedData.access()->m_transform, m_z, f); }
   1087     void setSpeak(ESpeak s) { SET_VAR(rareInheritedData, speak, s); }
   1088     void setTextCombine(TextCombine v) { SET_VAR(rareNonInheritedData, m_textCombine, v); }
   1089     void setTextEmphasisColor(const Color& c) { SET_VAR(rareInheritedData, textEmphasisColor, c) }
   1090     void setTextEmphasisFill(TextEmphasisFill fill) { SET_VAR(rareInheritedData, textEmphasisFill, fill); }
   1091     void setTextEmphasisMark(TextEmphasisMark mark) { SET_VAR(rareInheritedData, textEmphasisMark, mark); }
   1092     void setTextEmphasisCustomMark(const AtomicString& mark) { SET_VAR(rareInheritedData, textEmphasisCustomMark, mark); }
   1093     void setTextEmphasisPosition(TextEmphasisPosition position) { SET_VAR(rareInheritedData, textEmphasisPosition, position); }
   1094     // End CSS3 Setters
   1095 
   1096     // Apple-specific property setters
   1097     void setPointerEvents(EPointerEvents p) { inherited_flags._pointerEvents = p; }
   1098 
   1099     void clearAnimations()
   1100     {
   1101         rareNonInheritedData.access()->m_animations.clear();
   1102     }
   1103 
   1104     void clearTransitions()
   1105     {
   1106         rareNonInheritedData.access()->m_transitions.clear();
   1107     }
   1108 
   1109     void inheritAnimations(const AnimationList* parent) { rareNonInheritedData.access()->m_animations = parent ? adoptPtr(new AnimationList(*parent)) : PassOwnPtr<AnimationList>(); }
   1110     void inheritTransitions(const AnimationList* parent) { rareNonInheritedData.access()->m_transitions = parent ? adoptPtr(new AnimationList(*parent)) : PassOwnPtr<AnimationList>(); }
   1111     void adjustAnimations();
   1112     void adjustTransitions();
   1113 
   1114     void setTransformStyle3D(ETransformStyle3D b) { SET_VAR(rareNonInheritedData, m_transformStyle3D, b); }
   1115     void setBackfaceVisibility(EBackfaceVisibility b) { SET_VAR(rareNonInheritedData, m_backfaceVisibility, b); }
   1116     void setPerspective(float p) { SET_VAR(rareNonInheritedData, m_perspective, p); }
   1117     void setPerspectiveOriginX(Length l) { SET_VAR(rareNonInheritedData, m_perspectiveOriginX, l); }
   1118     void setPerspectiveOriginY(Length l) { SET_VAR(rareNonInheritedData, m_perspectiveOriginY, l); }
   1119     void setPageSize(LengthSize s) { SET_VAR(rareNonInheritedData, m_pageSize, s); }
   1120     void setPageSizeType(PageSizeType t) { SET_VAR(rareNonInheritedData, m_pageSizeType, t); }
   1121     void resetPageSizeType() { SET_VAR(rareNonInheritedData, m_pageSizeType, PAGE_SIZE_AUTO); }
   1122 
   1123 #if USE(ACCELERATED_COMPOSITING)
   1124     void setIsRunningAcceleratedAnimation(bool b = true) { SET_VAR(rareNonInheritedData, m_runningAcceleratedAnimation, b); }
   1125 #endif
   1126 
   1127     void setLineBoxContain(LineBoxContain c) { SET_VAR(rareInheritedData, m_lineBoxContain, c); }
   1128     void setLineClamp(LineClampValue c) { SET_VAR(rareNonInheritedData, lineClamp, c); }
   1129     void setTextSizeAdjust(bool b) { SET_VAR(rareInheritedData, textSizeAdjust, b); }
   1130     void setTextSecurity(ETextSecurity aTextSecurity) { SET_VAR(rareInheritedData, textSecurity, aTextSecurity); }
   1131 
   1132 #ifdef ANDROID_CSS_TAP_HIGHLIGHT_COLOR
   1133     void setTapHighlightColor(const Color& v) { SET_VAR(rareInheritedData, tapHighlightColor, v); }
   1134 #endif
   1135 
   1136 #if ENABLE(SVG)
   1137     const SVGRenderStyle* svgStyle() const { return m_svgStyle.get(); }
   1138     SVGRenderStyle* accessSVGStyle() { return m_svgStyle.access(); }
   1139 
   1140     float fillOpacity() const { return svgStyle()->fillOpacity(); }
   1141     void setFillOpacity(float f) { accessSVGStyle()->setFillOpacity(f); }
   1142 
   1143     float strokeOpacity() const { return svgStyle()->strokeOpacity(); }
   1144     void setStrokeOpacity(float f) { accessSVGStyle()->setStrokeOpacity(f); }
   1145 
   1146     float floodOpacity() const { return svgStyle()->floodOpacity(); }
   1147     void setFloodOpacity(float f) { accessSVGStyle()->setFloodOpacity(f); }
   1148 #endif
   1149 
   1150     const ContentData* contentData() const { return rareNonInheritedData->m_content.get(); }
   1151     bool contentDataEquivalent(const RenderStyle* otherStyle) const { return const_cast<RenderStyle*>(this)->rareNonInheritedData->contentDataEquivalent(*const_cast<RenderStyle*>(otherStyle)->rareNonInheritedData); }
   1152     void clearContent();
   1153     void setContent(PassRefPtr<StringImpl>, bool add = false);
   1154     void setContent(PassRefPtr<StyleImage>, bool add = false);
   1155     void setContent(PassOwnPtr<CounterContent>, bool add = false);
   1156     void setContent(QuoteType, bool add = false);
   1157 
   1158     const CounterDirectiveMap* counterDirectives() const;
   1159     CounterDirectiveMap& accessCounterDirectives();
   1160 
   1161     QuotesData* quotes() const { return rareInheritedData->quotes.get(); }
   1162     void setQuotes(PassRefPtr<QuotesData>);
   1163 
   1164     const AtomicString& hyphenString() const;
   1165 
   1166     bool inheritedNotEqual(const RenderStyle*) const;
   1167 
   1168     StyleDifference diff(const RenderStyle*, unsigned& changedContextSensitiveProperties) const;
   1169 
   1170     bool isDisplayReplacedType() const
   1171     {
   1172         return display() == INLINE_BLOCK || display() == INLINE_BOX || display() == INLINE_TABLE;
   1173     }
   1174 
   1175     bool isDisplayInlineType() const
   1176     {
   1177         return display() == INLINE || isDisplayReplacedType();
   1178     }
   1179 
   1180     bool isOriginalDisplayInlineType() const
   1181     {
   1182         return originalDisplay() == INLINE || originalDisplay() == INLINE_BLOCK
   1183             || originalDisplay() == INLINE_BOX || originalDisplay() == INLINE_TABLE;
   1184     }
   1185 
   1186     void setWritingMode(WritingMode v) { inherited_flags.m_writingMode = v; }
   1187 
   1188     // To tell if this style matched attribute selectors. This makes it impossible to share.
   1189     bool affectedByAttributeSelectors() const { return m_affectedByAttributeSelectors; }
   1190     void setAffectedByAttributeSelectors() { m_affectedByAttributeSelectors = true; }
   1191 
   1192     bool unique() const { return m_unique; }
   1193     void setUnique() { m_unique = true; }
   1194 
   1195     // Methods for indicating the style is affected by dynamic updates (e.g., children changing, our position changing in our sibling list, etc.)
   1196     bool affectedByEmpty() const { return m_affectedByEmpty; }
   1197     bool emptyState() const { return m_emptyState; }
   1198     void setEmptyState(bool b) { m_affectedByEmpty = true; m_unique = true; m_emptyState = b; }
   1199     bool childrenAffectedByPositionalRules() const { return childrenAffectedByForwardPositionalRules() || childrenAffectedByBackwardPositionalRules(); }
   1200     bool childrenAffectedByFirstChildRules() const { return m_childrenAffectedByFirstChildRules; }
   1201     void setChildrenAffectedByFirstChildRules() { m_childrenAffectedByFirstChildRules = true; }
   1202     bool childrenAffectedByLastChildRules() const { return m_childrenAffectedByLastChildRules; }
   1203     void setChildrenAffectedByLastChildRules() { m_childrenAffectedByLastChildRules = true; }
   1204     bool childrenAffectedByDirectAdjacentRules() const { return m_childrenAffectedByDirectAdjacentRules; }
   1205     void setChildrenAffectedByDirectAdjacentRules() { m_childrenAffectedByDirectAdjacentRules = true; }
   1206     bool childrenAffectedByForwardPositionalRules() const { return m_childrenAffectedByForwardPositionalRules; }
   1207     void setChildrenAffectedByForwardPositionalRules() { m_childrenAffectedByForwardPositionalRules = true; }
   1208     bool childrenAffectedByBackwardPositionalRules() const { return m_childrenAffectedByBackwardPositionalRules; }
   1209     void setChildrenAffectedByBackwardPositionalRules() { m_childrenAffectedByBackwardPositionalRules = true; }
   1210     bool firstChildState() const { return m_firstChildState; }
   1211     void setFirstChildState() { m_unique = true; m_firstChildState = true; }
   1212     bool lastChildState() const { return m_lastChildState; }
   1213     void setLastChildState() { m_unique = true; m_lastChildState = true; }
   1214     unsigned childIndex() const { return m_childIndex; }
   1215     void setChildIndex(unsigned index) { m_unique = true; m_childIndex = index; }
   1216 
   1217     const Color visitedDependentColor(int colorProperty) const;
   1218 
   1219     // Initial values for all the properties
   1220     static bool initialBorderCollapse() { return false; }
   1221     static EBorderStyle initialBorderStyle() { return BNONE; }
   1222     static NinePieceImage initialNinePieceImage() { return NinePieceImage(); }
   1223     static LengthSize initialBorderRadius() { return LengthSize(Length(0, Fixed), Length(0, Fixed)); }
   1224     static ECaptionSide initialCaptionSide() { return CAPTOP; }
   1225     static EClear initialClear() { return CNONE; }
   1226     static TextDirection initialDirection() { return LTR; }
   1227     static WritingMode initialWritingMode() { return TopToBottomWritingMode; }
   1228     static TextCombine initialTextCombine() { return TextCombineNone; }
   1229     static TextOrientation initialTextOrientation() { return TextOrientationVerticalRight; }
   1230     static EDisplay initialDisplay() { return INLINE; }
   1231     static EEmptyCell initialEmptyCells() { return SHOW; }
   1232     static EFloat initialFloating() { return FNONE; }
   1233     static EListStylePosition initialListStylePosition() { return OUTSIDE; }
   1234     static EListStyleType initialListStyleType() { return Disc; }
   1235     static EOverflow initialOverflowX() { return OVISIBLE; }
   1236     static EOverflow initialOverflowY() { return OVISIBLE; }
   1237     static EPageBreak initialPageBreak() { return PBAUTO; }
   1238     static EPosition initialPosition() { return StaticPosition; }
   1239     static ETableLayout initialTableLayout() { return TAUTO; }
   1240     static EUnicodeBidi initialUnicodeBidi() { return UBNormal; }
   1241     static ETextTransform initialTextTransform() { return TTNONE; }
   1242     static EVisibility initialVisibility() { return VISIBLE; }
   1243     static EWhiteSpace initialWhiteSpace() { return NORMAL; }
   1244     static short initialHorizontalBorderSpacing() { return 0; }
   1245     static short initialVerticalBorderSpacing() { return 0; }
   1246     static ECursor initialCursor() { return CURSOR_AUTO; }
   1247     static Color initialColor() { return Color::black; }
   1248     static StyleImage* initialListStyleImage() { return 0; }
   1249     static unsigned short initialBorderWidth() { return 3; }
   1250     static int initialLetterWordSpacing() { return 0; }
   1251     static Length initialSize() { return Length(); }
   1252     static Length initialMinSize() { return Length(0, Fixed); }
   1253     static Length initialMaxSize() { return Length(undefinedLength, Fixed); }
   1254     static Length initialOffset() { return Length(); }
   1255     static Length initialMargin() { return Length(Fixed); }
   1256     static Length initialPadding() { return Length(Fixed); }
   1257     static Length initialTextIndent() { return Length(Fixed); }
   1258     static EVerticalAlign initialVerticalAlign() { return BASELINE; }
   1259     static int initialWidows() { return 2; }
   1260     static int initialOrphans() { return 2; }
   1261     static Length initialLineHeight() { return Length(-100.0, Percent); }
   1262     static ETextAlign initialTextAlign() { return TAAUTO; }
   1263     static ETextDecoration initialTextDecoration() { return TDNONE; }
   1264     static float initialZoom() { return 1.0f; }
   1265     static int initialOutlineOffset() { return 0; }
   1266     static float initialOpacity() { return 1.0f; }
   1267     static EBoxAlignment initialBoxAlign() { return BSTRETCH; }
   1268     static EBoxDirection initialBoxDirection() { return BNORMAL; }
   1269     static EBoxLines initialBoxLines() { return SINGLE; }
   1270     static EBoxOrient initialBoxOrient() { return HORIZONTAL; }
   1271     static EBoxAlignment initialBoxPack() { return BSTART; }
   1272     static float initialBoxFlex() { return 0.0f; }
   1273     static int initialBoxFlexGroup() { return 1; }
   1274     static int initialBoxOrdinalGroup() { return 1; }
   1275     static EBoxSizing initialBoxSizing() { return CONTENT_BOX; }
   1276     static StyleReflection* initialBoxReflect() { return 0; }
   1277     static int initialMarqueeLoopCount() { return -1; }
   1278     static int initialMarqueeSpeed() { return 85; }
   1279     static Length initialMarqueeIncrement() { return Length(6, Fixed); }
   1280     static EMarqueeBehavior initialMarqueeBehavior() { return MSCROLL; }
   1281     static EMarqueeDirection initialMarqueeDirection() { return MAUTO; }
   1282     static EUserModify initialUserModify() { return READ_ONLY; }
   1283     static EUserDrag initialUserDrag() { return DRAG_AUTO; }
   1284     static EUserSelect initialUserSelect() { return SELECT_TEXT; }
   1285     static bool initialTextOverflow() { return false; }
   1286     static EMarginCollapse initialMarginBeforeCollapse() { return MCOLLAPSE; }
   1287     static EMarginCollapse initialMarginAfterCollapse() { return MCOLLAPSE; }
   1288     static EWordBreak initialWordBreak() { return NormalWordBreak; }
   1289     static EWordWrap initialWordWrap() { return NormalWordWrap; }
   1290     static ENBSPMode initialNBSPMode() { return NBNORMAL; }
   1291     static EKHTMLLineBreak initialKHTMLLineBreak() { return LBNORMAL; }
   1292     static EMatchNearestMailBlockquoteColor initialMatchNearestMailBlockquoteColor() { return BCNORMAL; }
   1293     static const AtomicString& initialHighlight() { return nullAtom; }
   1294     static ESpeak initialSpeak() { return SpeakNormal; }
   1295     static Hyphens initialHyphens() { return HyphensManual; }
   1296     static short initialHyphenationLimitBefore() { return -1; }
   1297     static short initialHyphenationLimitAfter() { return -1; }
   1298     static const AtomicString& initialHyphenationString() { return nullAtom; }
   1299     static const AtomicString& initialLocale() { return nullAtom; }
   1300     static EBorderFit initialBorderFit() { return BorderFitBorder; }
   1301     static EResize initialResize() { return RESIZE_NONE; }
   1302     static ControlPart initialAppearance() { return NoControlPart; }
   1303     static bool initialVisuallyOrdered() { return false; }
   1304     static float initialTextStrokeWidth() { return 0; }
   1305     static unsigned short initialColumnCount() { return 1; }
   1306     static bool initialColumnSpan() { return false; }
   1307     static const TransformOperations& initialTransform() { DEFINE_STATIC_LOCAL(TransformOperations, ops, ()); return ops; }
   1308     static Length initialTransformOriginX() { return Length(50.0, Percent); }
   1309     static Length initialTransformOriginY() { return Length(50.0, Percent); }
   1310     static EPointerEvents initialPointerEvents() { return PE_AUTO; }
   1311     static float initialTransformOriginZ() { return 0; }
   1312     static ETransformStyle3D initialTransformStyle3D() { return TransformStyle3DFlat; }
   1313     static EBackfaceVisibility initialBackfaceVisibility() { return BackfaceVisibilityVisible; }
   1314     static float initialPerspective() { return 0; }
   1315     static Length initialPerspectiveOriginX() { return Length(50.0, Percent); }
   1316     static Length initialPerspectiveOriginY() { return Length(50.0, Percent); }
   1317     static Color initialBackgroundColor() { return Color::transparent; }
   1318     static Color initialTextEmphasisColor() { return TextEmphasisFillFilled; }
   1319     static TextEmphasisFill initialTextEmphasisFill() { return TextEmphasisFillFilled; }
   1320     static TextEmphasisMark initialTextEmphasisMark() { return TextEmphasisMarkNone; }
   1321     static const AtomicString& initialTextEmphasisCustomMark() { return nullAtom; }
   1322     static TextEmphasisPosition initialTextEmphasisPosition() { return TextEmphasisPositionOver; }
   1323     static LineBoxContain initialLineBoxContain() { return LineBoxContainBlock | LineBoxContainInline | LineBoxContainReplaced; }
   1324 
   1325     // Keep these at the end.
   1326     static LineClampValue initialLineClamp() { return LineClampValue(); }
   1327     static bool initialTextSizeAdjust() { return true; }
   1328     static ETextSecurity initialTextSecurity() { return TSNONE; }
   1329 #if ENABLE(DASHBOARD_SUPPORT)
   1330     static const Vector<StyleDashboardRegion>& initialDashboardRegions();
   1331     static const Vector<StyleDashboardRegion>& noneDashboardRegions();
   1332 #endif
   1333 
   1334 #ifdef ANDROID_CSS_TAP_HIGHLIGHT_COLOR
   1335     static Color initialTapHighlightColor() { return Color::tap; }
   1336 #endif
   1337 
   1338 private:
   1339     void inheritUnicodeBidiFrom(const RenderStyle* parent) { noninherited_flags._unicodeBidi = parent->noninherited_flags._unicodeBidi; }
   1340     void getShadowExtent(const ShadowData*, int& top, int& right, int& bottom, int& left) const;
   1341     void getShadowHorizontalExtent(const ShadowData*, int& left, int& right) const;
   1342     void getShadowVerticalExtent(const ShadowData*, int& top, int& bottom) const;
   1343     void getShadowInlineDirectionExtent(const ShadowData* shadow, int& logicalLeft, int& logicalRight) const
   1344     {
   1345         return isHorizontalWritingMode() ? getShadowHorizontalExtent(shadow, logicalLeft, logicalRight) : getShadowVerticalExtent(shadow, logicalLeft, logicalRight);
   1346     }
   1347     void getShadowBlockDirectionExtent(const ShadowData* shadow, int& logicalTop, int& logicalBottom) const
   1348     {
   1349         return isHorizontalWritingMode() ? getShadowVerticalExtent(shadow, logicalTop, logicalBottom) : getShadowHorizontalExtent(shadow, logicalTop, logicalBottom);
   1350     }
   1351 
   1352     // Color accessors are all private to make sure callers use visitedDependentColor instead to access them.
   1353     const Color& borderLeftColor() const { return surround->border.left().color(); }
   1354     const Color& borderRightColor() const { return surround->border.right().color(); }
   1355     const Color& borderTopColor() const { return surround->border.top().color(); }
   1356     const Color& borderBottomColor() const { return surround->border.bottom().color(); }
   1357     const Color& backgroundColor() const { return m_background->color(); }
   1358     const Color& color() const { return inherited->color; }
   1359     const Color& columnRuleColor() const { return rareNonInheritedData->m_multiCol->m_rule.color(); }
   1360     const Color& outlineColor() const { return m_background->outline().color(); }
   1361     const Color& textEmphasisColor() const { return rareInheritedData->textEmphasisColor; }
   1362     const Color& textFillColor() const { return rareInheritedData->textFillColor; }
   1363     const Color& textStrokeColor() const { return rareInheritedData->textStrokeColor; }
   1364 
   1365     const Color colorIncludingFallback(int colorProperty, EBorderStyle borderStyle) const;
   1366 
   1367     ContentData* prepareToSetContent(StringImpl*, bool add);
   1368 };
   1369 
   1370 inline int adjustForAbsoluteZoom(int value, const RenderStyle* style)
   1371 {
   1372     double zoomFactor = style->effectiveZoom();
   1373     if (zoomFactor == 1)
   1374         return value;
   1375     // Needed because computeLengthInt truncates (rather than rounds) when scaling up.
   1376     if (zoomFactor > 1) {
   1377         if (value < 0)
   1378             value--;
   1379         else
   1380             value++;
   1381     }
   1382 
   1383     return roundForImpreciseConversion<int, INT_MAX, INT_MIN>(value / zoomFactor);
   1384 }
   1385 
   1386 inline float adjustFloatForAbsoluteZoom(float value, const RenderStyle* style)
   1387 {
   1388     return value / style->effectiveZoom();
   1389 }
   1390 
   1391 } // namespace WebCore
   1392 
   1393 #endif // RenderStyle_h
   1394