1/*
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 *           (C) 2000 Antti Koivisto (koivisto@kde.org)
4 *           (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
6 * Copyright (C) 2006 Graham Dennis (graham.dennis@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 "core/CSSPropertyNames.h"
29#include "core/animation/css/CSSAnimationData.h"
30#include "core/animation/css/CSSTransitionData.h"
31#include "core/css/CSSLineBoxContainValue.h"
32#include "core/css/CSSPrimitiveValue.h"
33#include "core/rendering/style/BorderValue.h"
34#include "core/rendering/style/CounterDirectives.h"
35#include "core/rendering/style/DataRef.h"
36#include "core/rendering/style/LineClampValue.h"
37#include "core/rendering/style/NinePieceImage.h"
38#include "core/rendering/style/OutlineValue.h"
39#include "core/rendering/style/RenderStyleConstants.h"
40#include "core/rendering/style/SVGRenderStyle.h"
41#include "core/rendering/style/ShapeValue.h"
42#include "core/rendering/style/StyleBackgroundData.h"
43#include "core/rendering/style/StyleBoxData.h"
44#include "core/rendering/style/StyleDeprecatedFlexibleBoxData.h"
45#include "core/rendering/style/StyleDifference.h"
46#include "core/rendering/style/StyleFilterData.h"
47#include "core/rendering/style/StyleFlexibleBoxData.h"
48#include "core/rendering/style/StyleGridData.h"
49#include "core/rendering/style/StyleGridItemData.h"
50#include "core/rendering/style/StyleInheritedData.h"
51#include "core/rendering/style/StyleMarqueeData.h"
52#include "core/rendering/style/StyleMultiColData.h"
53#include "core/rendering/style/StyleRareInheritedData.h"
54#include "core/rendering/style/StyleRareNonInheritedData.h"
55#include "core/rendering/style/StyleReflection.h"
56#include "core/rendering/style/StyleSurroundData.h"
57#include "core/rendering/style/StyleTransformData.h"
58#include "core/rendering/style/StyleVisualData.h"
59#include "core/rendering/style/StyleWillChangeData.h"
60#include "platform/Length.h"
61#include "platform/LengthBox.h"
62#include "platform/LengthSize.h"
63#include "platform/ThemeTypes.h"
64#include "platform/fonts/FontBaseline.h"
65#include "platform/fonts/FontDescription.h"
66#include "platform/geometry/FloatRoundedRect.h"
67#include "platform/geometry/LayoutBoxExtent.h"
68#include "platform/geometry/RoundedRect.h"
69#include "platform/graphics/Color.h"
70#include "platform/graphics/GraphicsTypes.h"
71#include "platform/scroll/ScrollableArea.h"
72#include "platform/text/TextDirection.h"
73#include "platform/text/UnicodeBidi.h"
74#include "platform/transforms/TransformOperations.h"
75#include "wtf/Forward.h"
76#include "wtf/OwnPtr.h"
77#include "wtf/RefCounted.h"
78#include "wtf/StdLibExtras.h"
79#include "wtf/Vector.h"
80
81template<typename T, typename U> inline bool compareEqual(const T& t, const U& u) { return t == static_cast<T>(u); }
82
83#define SET_VAR(group, variable, value) \
84    if (!compareEqual(group->variable, value)) \
85        group.access()->variable = value
86
87#define SET_VAR_WITH_SETTER(group, getter, setter, value)    \
88    if (!compareEqual(group->getter(), value)) \
89        group.access()->setter(value)
90
91#define SET_BORDERVALUE_COLOR(group, variable, value) \
92    if (!compareEqual(group->variable.color(), value)) \
93        group.access()->variable.setColor(value)
94
95namespace blink {
96
97using std::max;
98
99class FilterOperations;
100
101class AppliedTextDecoration;
102class BorderData;
103struct BorderEdge;
104class CounterContent;
105class Font;
106class FontMetrics;
107class ShadowList;
108class StyleImage;
109class StyleInheritedData;
110class StyleResolver;
111class TransformationMatrix;
112
113class ContentData;
114
115typedef Vector<RefPtr<RenderStyle>, 4> PseudoStyleCache;
116
117class RenderStyle: public RefCounted<RenderStyle> {
118    friend class AnimatedStyleBuilder; // Used by Web Animations CSS. Sets the color styles
119    friend class CSSAnimatableValueFactory; // Used by Web Animations CSS. Gets visited and unvisited colors separately.
120    friend class CSSPropertyEquality; // Used by CSS animations. We can't allow them to animate based off visited colors.
121    friend class ApplyStyleCommand; // Editing has to only reveal unvisited info.
122    friend class EditingStyle; // Editing has to only reveal unvisited info.
123    friend class CSSComputedStyleDeclaration; // Ignores visited styles, so needs to be able to see unvisited info.
124    friend class StyleBuilderFunctions; // Sets color styles
125    friend class CachedUAStyle; // Saves Border/Background information for later comparison.
126
127    // FIXME: When we stop resolving currentColor at style time, these can be removed.
128    friend class CSSToStyleMap;
129    friend class FilterOperationResolver;
130    friend class StyleBuilderConverter;
131    friend class StyleResolverState;
132    friend class StyleResolver;
133protected:
134
135    // non-inherited attributes
136    DataRef<StyleBoxData> m_box;
137    DataRef<StyleVisualData> visual;
138    DataRef<StyleBackgroundData> m_background;
139    DataRef<StyleSurroundData> surround;
140    DataRef<StyleRareNonInheritedData> rareNonInheritedData;
141
142    // inherited attributes
143    DataRef<StyleRareInheritedData> rareInheritedData;
144    DataRef<StyleInheritedData> inherited;
145
146    // list of associated pseudo styles
147    OwnPtr<PseudoStyleCache> m_cachedPseudoStyles;
148
149    DataRef<SVGRenderStyle> m_svgStyle;
150
151// !START SYNC!: Keep this in sync with the copy constructor in RenderStyle.cpp and implicitlyInherited() in StyleResolver.cpp
152
153    // inherit
154    struct InheritedFlags {
155        bool operator==(const InheritedFlags& other) const
156        {
157            return (_empty_cells == other._empty_cells)
158                && (_caption_side == other._caption_side)
159                && (_list_style_type == other._list_style_type)
160                && (_list_style_position == other._list_style_position)
161                && (_visibility == other._visibility)
162                && (_text_align == other._text_align)
163                && (_text_transform == other._text_transform)
164                && (m_textUnderline == other.m_textUnderline)
165                && (_cursor_style == other._cursor_style)
166                && (_direction == other._direction)
167                && (_white_space == other._white_space)
168                && (_border_collapse == other._border_collapse)
169                && (_box_direction == other._box_direction)
170                && (m_rtlOrdering == other.m_rtlOrdering)
171                && (m_printColorAdjust == other.m_printColorAdjust)
172                && (_pointerEvents == other._pointerEvents)
173                && (_insideLink == other._insideLink)
174                && (m_writingMode == other.m_writingMode);
175        }
176
177        bool operator!=(const InheritedFlags& other) const { return !(*this == other); }
178
179        unsigned _empty_cells : 1; // EEmptyCell
180        unsigned _caption_side : 2; // ECaptionSide
181        unsigned _list_style_type : 7; // EListStyleType
182        unsigned _list_style_position : 1; // EListStylePosition
183        unsigned _visibility : 2; // EVisibility
184        unsigned _text_align : 4; // ETextAlign
185        unsigned _text_transform : 2; // ETextTransform
186        unsigned m_textUnderline : 1;
187        unsigned _cursor_style : 6; // ECursor
188        unsigned _direction : 1; // TextDirection
189        unsigned _white_space : 3; // EWhiteSpace
190        unsigned _border_collapse : 1; // EBorderCollapse
191        unsigned _box_direction : 1; // EBoxDirection (CSS3 box_direction property, flexible box layout module)
192        // 32 bits
193
194        // non CSS2 inherited
195        unsigned m_rtlOrdering : 1; // Order
196        unsigned m_printColorAdjust : PrintColorAdjustBits;
197        unsigned _pointerEvents : 4; // EPointerEvents
198        unsigned _insideLink : 2; // EInsideLink
199
200        // CSS Text Layout Module Level 3: Vertical writing support
201        unsigned m_writingMode : 2; // WritingMode
202        // 42 bits
203    } inherited_flags;
204
205// don't inherit
206    struct NonInheritedFlags {
207        bool operator==(const NonInheritedFlags& other) const
208        {
209            return effectiveDisplay == other.effectiveDisplay
210                && originalDisplay == other.originalDisplay
211                && overflowX == other.overflowX
212                && overflowY == other.overflowY
213                && verticalAlign == other.verticalAlign
214                && clear == other.clear
215                && position == other.position
216                && floating == other.floating
217                && tableLayout == other.tableLayout
218                && pageBreakBefore == other.pageBreakBefore
219                && pageBreakAfter == other.pageBreakAfter
220                && pageBreakInside == other.pageBreakInside
221                && styleType == other.styleType
222                && affectedByFocus == other.affectedByFocus
223                && affectedByHover == other.affectedByHover
224                && affectedByActive == other.affectedByActive
225                && affectedByDrag == other.affectedByDrag
226                && pseudoBits == other.pseudoBits
227                && unicodeBidi == other.unicodeBidi
228                && explicitInheritance == other.explicitInheritance
229                && unique == other.unique
230                && emptyState == other.emptyState
231                && firstChildState == other.firstChildState
232                && lastChildState == other.lastChildState
233                && isLink == other.isLink;
234        }
235
236        bool operator!=(const NonInheritedFlags& other) const { return !(*this == other); }
237
238        unsigned effectiveDisplay : 5; // EDisplay
239        unsigned originalDisplay : 5; // EDisplay
240        unsigned overflowX : 3; // EOverflow
241        unsigned overflowY : 3; // EOverflow
242        unsigned verticalAlign : 4; // EVerticalAlign
243        unsigned clear : 2; // EClear
244        unsigned position : 3; // EPosition
245        unsigned floating : 2; // EFloat
246        unsigned tableLayout : 1; // ETableLayout
247        unsigned unicodeBidi : 3; // EUnicodeBidi
248
249        // This is set if we used viewport units when resolving a length.
250        // It is mutable so we can pass around const RenderStyles to resolve lengths.
251        mutable unsigned hasViewportUnits : 1;
252
253        // 32 bits
254
255        unsigned pageBreakBefore : 2; // EPageBreak
256        unsigned pageBreakAfter : 2; // EPageBreak
257        unsigned pageBreakInside : 2; // EPageBreak
258
259        unsigned styleType : 6; // PseudoId
260        unsigned pseudoBits : 8;
261        unsigned explicitInheritance : 1; // Explicitly inherits a non-inherited property
262        unsigned unique : 1; // Style can not be shared.
263
264        unsigned emptyState : 1;
265        unsigned firstChildState : 1;
266        unsigned lastChildState : 1;
267
268        unsigned affectedByFocus : 1;
269        unsigned affectedByHover : 1;
270        unsigned affectedByActive : 1;
271        unsigned affectedByDrag : 1;
272
273        unsigned isLink : 1;
274        // If you add more style bits here, you will also need to update RenderStyle::copyNonInheritedFrom()
275        // 62 bits
276    } noninherited_flags;
277
278// !END SYNC!
279
280protected:
281    void setBitDefaults()
282    {
283        inherited_flags._empty_cells = initialEmptyCells();
284        inherited_flags._caption_side = initialCaptionSide();
285        inherited_flags._list_style_type = initialListStyleType();
286        inherited_flags._list_style_position = initialListStylePosition();
287        inherited_flags._visibility = initialVisibility();
288        inherited_flags._text_align = initialTextAlign();
289        inherited_flags._text_transform = initialTextTransform();
290        inherited_flags.m_textUnderline = false;
291        inherited_flags._cursor_style = initialCursor();
292        inherited_flags._direction = initialDirection();
293        inherited_flags._white_space = initialWhiteSpace();
294        inherited_flags._border_collapse = initialBorderCollapse();
295        inherited_flags.m_rtlOrdering = initialRTLOrdering();
296        inherited_flags._box_direction = initialBoxDirection();
297        inherited_flags.m_printColorAdjust = initialPrintColorAdjust();
298        inherited_flags._pointerEvents = initialPointerEvents();
299        inherited_flags._insideLink = NotInsideLink;
300        inherited_flags.m_writingMode = initialWritingMode();
301
302        noninherited_flags.effectiveDisplay = noninherited_flags.originalDisplay = initialDisplay();
303        noninherited_flags.overflowX = initialOverflowX();
304        noninherited_flags.overflowY = initialOverflowY();
305        noninherited_flags.verticalAlign = initialVerticalAlign();
306        noninherited_flags.clear = initialClear();
307        noninherited_flags.position = initialPosition();
308        noninherited_flags.floating = initialFloating();
309        noninherited_flags.tableLayout = initialTableLayout();
310        noninherited_flags.unicodeBidi = initialUnicodeBidi();
311        noninherited_flags.pageBreakBefore = initialPageBreak();
312        noninherited_flags.pageBreakAfter = initialPageBreak();
313        noninherited_flags.pageBreakInside = initialPageBreak();
314        noninherited_flags.styleType = NOPSEUDO;
315        noninherited_flags.pseudoBits = 0;
316        noninherited_flags.explicitInheritance = false;
317        noninherited_flags.unique = false;
318        noninherited_flags.emptyState = false;
319        noninherited_flags.firstChildState = false;
320        noninherited_flags.lastChildState = false;
321        noninherited_flags.hasViewportUnits = false;
322        noninherited_flags.affectedByFocus = false;
323        noninherited_flags.affectedByHover = false;
324        noninherited_flags.affectedByActive = false;
325        noninherited_flags.affectedByDrag = false;
326        noninherited_flags.isLink = false;
327    }
328
329private:
330    ALWAYS_INLINE RenderStyle();
331
332    enum DefaultStyleTag {
333        DefaultStyle
334    };
335    ALWAYS_INLINE explicit RenderStyle(DefaultStyleTag);
336    ALWAYS_INLINE RenderStyle(const RenderStyle&);
337
338public:
339    static PassRefPtr<RenderStyle> create();
340    static PassRefPtr<RenderStyle> createDefaultStyle();
341    static PassRefPtr<RenderStyle> createAnonymousStyleWithDisplay(const RenderStyle* parentStyle, EDisplay);
342    static PassRefPtr<RenderStyle> clone(const RenderStyle*);
343
344    // Computes how the style change should be propagated down the tree.
345    static StyleRecalcChange stylePropagationDiff(const RenderStyle* oldStyle, const RenderStyle* newStyle);
346
347    StyleDifference visualInvalidationDiff(const RenderStyle&) const;
348
349    enum IsAtShadowBoundary {
350        AtShadowBoundary,
351        NotAtShadowBoundary,
352    };
353
354    void inheritFrom(const RenderStyle* inheritParent, IsAtShadowBoundary = NotAtShadowBoundary);
355    void copyNonInheritedFrom(const RenderStyle*);
356
357    PseudoId styleType() const { return static_cast<PseudoId>(noninherited_flags.styleType); }
358    void setStyleType(PseudoId styleType) { noninherited_flags.styleType = styleType; }
359
360    RenderStyle* getCachedPseudoStyle(PseudoId) const;
361    RenderStyle* addCachedPseudoStyle(PassRefPtr<RenderStyle>);
362    void removeCachedPseudoStyle(PseudoId);
363
364    const PseudoStyleCache* cachedPseudoStyles() const { return m_cachedPseudoStyles.get(); }
365
366    void setHasViewportUnits(bool hasViewportUnits = true) const { noninherited_flags.hasViewportUnits = hasViewportUnits; }
367    bool hasViewportUnits() const { return noninherited_flags.hasViewportUnits; }
368
369    bool affectedByFocus() const { return noninherited_flags.affectedByFocus; }
370    bool affectedByHover() const { return noninherited_flags.affectedByHover; }
371    bool affectedByActive() const { return noninherited_flags.affectedByActive; }
372    bool affectedByDrag() const { return noninherited_flags.affectedByDrag; }
373
374    void setAffectedByFocus() { noninherited_flags.affectedByFocus = true; }
375    void setAffectedByHover() { noninherited_flags.affectedByHover = true; }
376    void setAffectedByActive() { noninherited_flags.affectedByActive = true; }
377    void setAffectedByDrag() { noninherited_flags.affectedByDrag = true; }
378
379    bool operator==(const RenderStyle& other) const;
380    bool operator!=(const RenderStyle& other) const { return !(*this == other); }
381    bool isFloating() const { return noninherited_flags.floating != NoFloat; }
382    bool hasMargin() const { return surround->margin.nonZero(); }
383    bool hasBorder() const { return surround->border.hasBorder(); }
384    bool hasPadding() const { return surround->padding.nonZero(); }
385    bool hasOffset() const { return surround->offset.nonZero(); }
386    bool hasMarginBeforeQuirk() const { return marginBefore().quirk(); }
387    bool hasMarginAfterQuirk() const { return marginAfter().quirk(); }
388
389    bool hasBackgroundImage() const { return m_background->background().hasImage(); }
390    bool hasFixedBackgroundImage() const { return m_background->background().hasFixedImage(); }
391
392    bool hasEntirelyFixedBackground() const;
393
394    bool hasAppearance() const { return appearance() != NoControlPart; }
395
396    bool hasBackground() const
397    {
398        Color color = visitedDependentColor(CSSPropertyBackgroundColor);
399        if (color.alpha())
400            return true;
401        return hasBackgroundImage();
402    }
403
404    LayoutBoxExtent imageOutsets(const NinePieceImage&) const;
405    bool hasBorderImageOutsets() const
406    {
407        return borderImage().hasImage() && borderImage().outset().nonZero();
408    }
409    LayoutBoxExtent borderImageOutsets() const
410    {
411        return imageOutsets(borderImage());
412    }
413
414    LayoutBoxExtent maskBoxImageOutsets() const
415    {
416        return imageOutsets(maskBoxImage());
417    }
418
419    bool hasFilterOutsets() const { return hasFilter() && filter().hasOutsets(); }
420    FilterOutsets filterOutsets() const { return hasFilter() ? filter().outsets() : FilterOutsets(); }
421
422    Order rtlOrdering() const { return static_cast<Order>(inherited_flags.m_rtlOrdering); }
423    void setRTLOrdering(Order o) { inherited_flags.m_rtlOrdering = o; }
424
425    bool isStyleAvailable() const;
426
427    bool hasAnyPublicPseudoStyles() const;
428    bool hasPseudoStyle(PseudoId pseudo) const;
429    void setHasPseudoStyle(PseudoId pseudo);
430    bool hasUniquePseudoStyle() const;
431    bool hasPseudoElementStyle() const;
432
433    // attribute getter methods
434
435    EDisplay display() const { return static_cast<EDisplay>(noninherited_flags.effectiveDisplay); }
436    EDisplay originalDisplay() const { return static_cast<EDisplay>(noninherited_flags.originalDisplay); }
437
438    const Length& left() const { return surround->offset.left(); }
439    const Length& right() const { return surround->offset.right(); }
440    const Length& top() const { return surround->offset.top(); }
441    const Length& bottom() const { return surround->offset.bottom(); }
442
443    // Accessors for positioned object edges that take into account writing mode.
444    const Length& logicalLeft() const { return surround->offset.logicalLeft(writingMode()); }
445    const Length& logicalRight() const { return surround->offset.logicalRight(writingMode()); }
446    const Length& logicalTop() const { return surround->offset.before(writingMode()); }
447    const Length& logicalBottom() const { return surround->offset.after(writingMode()); }
448
449    // Whether or not a positioned element requires normal flow x/y to be computed
450    // to determine its position.
451    bool hasAutoLeftAndRight() const { return left().isAuto() && right().isAuto(); }
452    bool hasAutoTopAndBottom() const { return top().isAuto() && bottom().isAuto(); }
453    bool hasStaticInlinePosition(bool horizontal) const { return horizontal ? hasAutoLeftAndRight() : hasAutoTopAndBottom(); }
454    bool hasStaticBlockPosition(bool horizontal) const { return horizontal ? hasAutoTopAndBottom() : hasAutoLeftAndRight(); }
455
456    EPosition position() const { return static_cast<EPosition>(noninherited_flags.position); }
457    bool hasOutOfFlowPosition() const { return position() == AbsolutePosition || position() == FixedPosition; }
458    bool hasInFlowPosition() const { return position() == RelativePosition; }
459    bool hasViewportConstrainedPosition() const { return position() == FixedPosition; }
460    EFloat floating() const { return static_cast<EFloat>(noninherited_flags.floating); }
461
462    const Length& width() const { return m_box->width(); }
463    const Length& height() const { return m_box->height(); }
464    const Length& minWidth() const { return m_box->minWidth(); }
465    const Length& maxWidth() const { return m_box->maxWidth(); }
466    const Length& minHeight() const { return m_box->minHeight(); }
467    const Length& maxHeight() const { return m_box->maxHeight(); }
468
469    const Length& logicalWidth() const { return isHorizontalWritingMode() ? width() : height(); }
470    const Length& logicalHeight() const { return isHorizontalWritingMode() ? height() : width(); }
471    const Length& logicalMinWidth() const { return isHorizontalWritingMode() ? minWidth() : minHeight(); }
472    const Length& logicalMaxWidth() const { return isHorizontalWritingMode() ? maxWidth() : maxHeight(); }
473    const Length& logicalMinHeight() const { return isHorizontalWritingMode() ? minHeight() : minWidth(); }
474    const Length& logicalMaxHeight() const { return isHorizontalWritingMode() ? maxHeight() : maxWidth(); }
475
476    const BorderData& border() const { return surround->border; }
477    const BorderValue& borderLeft() const { return surround->border.left(); }
478    const BorderValue& borderRight() const { return surround->border.right(); }
479    const BorderValue& borderTop() const { return surround->border.top(); }
480    const BorderValue& borderBottom() const { return surround->border.bottom(); }
481
482    const BorderValue& borderBefore() const;
483    const BorderValue& borderAfter() const;
484    const BorderValue& borderStart() const;
485    const BorderValue& borderEnd() const;
486
487    const NinePieceImage& borderImage() const { return surround->border.image(); }
488    StyleImage* borderImageSource() const { return surround->border.image().image(); }
489    const LengthBox& borderImageSlices() const { return surround->border.image().imageSlices(); }
490    const BorderImageLengthBox& borderImageWidth() const { return surround->border.image().borderSlices(); }
491    const BorderImageLengthBox& borderImageOutset() const { return surround->border.image().outset(); }
492
493    const LengthSize& borderTopLeftRadius() const { return surround->border.topLeft(); }
494    const LengthSize& borderTopRightRadius() const { return surround->border.topRight(); }
495    const LengthSize& borderBottomLeftRadius() const { return surround->border.bottomLeft(); }
496    const LengthSize& borderBottomRightRadius() const { return surround->border.bottomRight(); }
497    bool hasBorderRadius() const { return surround->border.hasBorderRadius(); }
498
499    unsigned borderLeftWidth() const { return surround->border.borderLeftWidth(); }
500    EBorderStyle borderLeftStyle() const { return surround->border.left().style(); }
501    bool borderLeftIsTransparent() const { return surround->border.left().isTransparent(); }
502    unsigned borderRightWidth() const { return surround->border.borderRightWidth(); }
503    EBorderStyle borderRightStyle() const { return surround->border.right().style(); }
504    bool borderRightIsTransparent() const { return surround->border.right().isTransparent(); }
505    unsigned borderTopWidth() const { return surround->border.borderTopWidth(); }
506    EBorderStyle borderTopStyle() const { return surround->border.top().style(); }
507    bool borderTopIsTransparent() const { return surround->border.top().isTransparent(); }
508    unsigned borderBottomWidth() const { return surround->border.borderBottomWidth(); }
509    EBorderStyle borderBottomStyle() const { return surround->border.bottom().style(); }
510    bool borderBottomIsTransparent() const { return surround->border.bottom().isTransparent(); }
511
512    unsigned short borderBeforeWidth() const;
513    unsigned short borderAfterWidth() const;
514    unsigned short borderStartWidth() const;
515    unsigned short borderEndWidth() const;
516
517    unsigned short outlineSize() const { return max(0, outlineWidth() + outlineOffset()); }
518    unsigned short outlineWidth() const
519    {
520        if (m_background->outline().style() == BNONE)
521            return 0;
522        return m_background->outline().width();
523    }
524    bool hasOutline() const { return outlineWidth() > 0 && outlineStyle() > BHIDDEN; }
525    EBorderStyle outlineStyle() const { return m_background->outline().style(); }
526    OutlineIsAuto outlineStyleIsAuto() const { return static_cast<OutlineIsAuto>(m_background->outline().isAuto()); }
527
528    EOverflow overflowX() const { return static_cast<EOverflow>(noninherited_flags.overflowX); }
529    EOverflow overflowY() const { return static_cast<EOverflow>(noninherited_flags.overflowY); }
530    // It's sufficient to just check one direction, since it's illegal to have visible on only one overflow value.
531    bool isOverflowVisible() const { ASSERT(overflowX() != OVISIBLE || overflowX() == overflowY()); return overflowX() == OVISIBLE; }
532    bool isOverflowPaged() const { return overflowY() == OPAGEDX || overflowY() == OPAGEDY; }
533
534    EVisibility visibility() const { return static_cast<EVisibility>(inherited_flags._visibility); }
535    EVerticalAlign verticalAlign() const { return static_cast<EVerticalAlign>(noninherited_flags.verticalAlign); }
536    const Length& verticalAlignLength() const { return m_box->verticalAlign(); }
537
538    const Length& clipLeft() const { return visual->clip.left(); }
539    const Length& clipRight() const { return visual->clip.right(); }
540    const Length& clipTop() const { return visual->clip.top(); }
541    const Length& clipBottom() const { return visual->clip.bottom(); }
542    const LengthBox& clip() const { return visual->clip; }
543    bool hasAutoClip() const { return visual->hasAutoClip; }
544
545    EUnicodeBidi unicodeBidi() const { return static_cast<EUnicodeBidi>(noninherited_flags.unicodeBidi); }
546
547    EClear clear() const { return static_cast<EClear>(noninherited_flags.clear); }
548    ETableLayout tableLayout() const { return static_cast<ETableLayout>(noninherited_flags.tableLayout); }
549    bool isFixedTableLayout() const { return tableLayout() == TFIXED && !logicalWidth().isAuto(); }
550
551    const Font& font() const;
552    const FontMetrics& fontMetrics() const;
553    const FontDescription& fontDescription() const;
554    float specifiedFontSize() const;
555    float computedFontSize() const;
556    int fontSize() const;
557    FontWeight fontWeight() const;
558    FontStretch fontStretch() const;
559
560    float textAutosizingMultiplier() const { return inherited->textAutosizingMultiplier; }
561
562    const Length& textIndent() const { return rareInheritedData->indent; }
563    TextIndentLine textIndentLine() const { return static_cast<TextIndentLine>(rareInheritedData->m_textIndentLine); }
564    TextIndentType textIndentType() const { return static_cast<TextIndentType>(rareInheritedData->m_textIndentType); }
565    ETextAlign textAlign() const { return static_cast<ETextAlign>(inherited_flags._text_align); }
566    TextAlignLast textAlignLast() const { return static_cast<TextAlignLast>(rareInheritedData->m_textAlignLast); }
567    TextJustify textJustify() const { return static_cast<TextJustify>(rareInheritedData->m_textJustify); }
568    ETextTransform textTransform() const { return static_cast<ETextTransform>(inherited_flags._text_transform); }
569    TextDecoration textDecorationsInEffect() const;
570    const Vector<AppliedTextDecoration>& appliedTextDecorations() const;
571    TextDecoration textDecoration() const { return static_cast<TextDecoration>(visual->textDecoration); }
572    TextUnderlinePosition textUnderlinePosition() const { return static_cast<TextUnderlinePosition>(rareInheritedData->m_textUnderlinePosition); }
573    TextDecorationStyle textDecorationStyle() const { return static_cast<TextDecorationStyle>(rareNonInheritedData->m_textDecorationStyle); }
574    float wordSpacing() const;
575    float letterSpacing() const;
576
577    float zoom() const { return visual->m_zoom; }
578    float effectiveZoom() const { return rareInheritedData->m_effectiveZoom; }
579
580    TextDirection direction() const { return static_cast<TextDirection>(inherited_flags._direction); }
581    bool isLeftToRightDirection() const { return direction() == LTR; }
582
583    const Length& specifiedLineHeight() const;
584    Length lineHeight() const;
585    int computedLineHeight() const;
586
587    EWhiteSpace whiteSpace() const { return static_cast<EWhiteSpace>(inherited_flags._white_space); }
588    static bool autoWrap(EWhiteSpace ws)
589    {
590        // Nowrap and pre don't automatically wrap.
591        return ws != NOWRAP && ws != PRE;
592    }
593
594    bool autoWrap() const
595    {
596        return autoWrap(whiteSpace());
597    }
598
599    static bool preserveNewline(EWhiteSpace ws)
600    {
601        // Normal and nowrap do not preserve newlines.
602        return ws != NORMAL && ws != NOWRAP;
603    }
604
605    bool preserveNewline() const
606    {
607        return preserveNewline(whiteSpace());
608    }
609
610    static bool collapseWhiteSpace(EWhiteSpace ws)
611    {
612        // Pre and prewrap do not collapse whitespace.
613        return ws != PRE && ws != PRE_WRAP;
614    }
615
616    bool collapseWhiteSpace() const
617    {
618        return collapseWhiteSpace(whiteSpace());
619    }
620
621    bool isCollapsibleWhiteSpace(UChar c) const
622    {
623        switch (c) {
624            case ' ':
625            case '\t':
626                return collapseWhiteSpace();
627            case '\n':
628                return !preserveNewline();
629        }
630        return false;
631    }
632
633    bool breakOnlyAfterWhiteSpace() const
634    {
635        return whiteSpace() == PRE_WRAP || lineBreak() == LineBreakAfterWhiteSpace;
636    }
637
638    bool breakWords() const
639    {
640        return wordBreak() == BreakWordBreak || overflowWrap() == BreakOverflowWrap;
641    }
642
643    EFillRepeat backgroundRepeatX() const { return static_cast<EFillRepeat>(m_background->background().repeatX()); }
644    EFillRepeat backgroundRepeatY() const { return static_cast<EFillRepeat>(m_background->background().repeatY()); }
645    CompositeOperator backgroundComposite() const { return static_cast<CompositeOperator>(m_background->background().composite()); }
646    EFillAttachment backgroundAttachment() const { return static_cast<EFillAttachment>(m_background->background().attachment()); }
647    EFillBox backgroundClip() const { return static_cast<EFillBox>(m_background->background().clip()); }
648    EFillBox backgroundOrigin() const { return static_cast<EFillBox>(m_background->background().origin()); }
649    const Length& backgroundXPosition() const { return m_background->background().xPosition(); }
650    const Length& backgroundYPosition() const { return m_background->background().yPosition(); }
651    EFillSizeType backgroundSizeType() const { return m_background->background().sizeType(); }
652    const LengthSize& backgroundSizeLength() const { return m_background->background().sizeLength(); }
653    FillLayer& accessBackgroundLayers() { return m_background.access()->m_background; }
654    const FillLayer& backgroundLayers() const { return m_background->background(); }
655
656    StyleImage* maskImage() const { return rareNonInheritedData->m_mask.image(); }
657    EFillRepeat maskRepeatX() const { return static_cast<EFillRepeat>(rareNonInheritedData->m_mask.repeatX()); }
658    EFillRepeat maskRepeatY() const { return static_cast<EFillRepeat>(rareNonInheritedData->m_mask.repeatY()); }
659    CompositeOperator maskComposite() const { return static_cast<CompositeOperator>(rareNonInheritedData->m_mask.composite()); }
660    EFillBox maskClip() const { return static_cast<EFillBox>(rareNonInheritedData->m_mask.clip()); }
661    EFillBox maskOrigin() const { return static_cast<EFillBox>(rareNonInheritedData->m_mask.origin()); }
662    const Length& maskXPosition() const { return rareNonInheritedData->m_mask.xPosition(); }
663    const Length& maskYPosition() const { return rareNonInheritedData->m_mask.yPosition(); }
664    EFillSizeType maskSizeType() const { return rareNonInheritedData->m_mask.sizeType(); }
665    const LengthSize& maskSizeLength() const { return rareNonInheritedData->m_mask.sizeLength(); }
666    FillLayer& accessMaskLayers() { return rareNonInheritedData.access()->m_mask; }
667    const FillLayer& maskLayers() const { return rareNonInheritedData->m_mask; }
668
669    const NinePieceImage& maskBoxImage() const { return rareNonInheritedData->m_maskBoxImage; }
670    StyleImage* maskBoxImageSource() const { return rareNonInheritedData->m_maskBoxImage.image(); }
671    const LengthBox& maskBoxImageSlices() const { return rareNonInheritedData->m_maskBoxImage.imageSlices(); }
672    bool maskBoxImageSlicesFill() const { return rareNonInheritedData->m_maskBoxImage.fill(); }
673    const BorderImageLengthBox& maskBoxImageWidth() const { return rareNonInheritedData->m_maskBoxImage.borderSlices(); }
674    const BorderImageLengthBox& maskBoxImageOutset() const { return rareNonInheritedData->m_maskBoxImage.outset(); }
675
676    EBorderCollapse borderCollapse() const { return static_cast<EBorderCollapse>(inherited_flags._border_collapse); }
677    short horizontalBorderSpacing() const;
678    short verticalBorderSpacing() const;
679    EEmptyCell emptyCells() const { return static_cast<EEmptyCell>(inherited_flags._empty_cells); }
680    ECaptionSide captionSide() const { return static_cast<ECaptionSide>(inherited_flags._caption_side); }
681
682    EListStyleType listStyleType() const { return static_cast<EListStyleType>(inherited_flags._list_style_type); }
683    StyleImage* listStyleImage() const;
684    EListStylePosition listStylePosition() const { return static_cast<EListStylePosition>(inherited_flags._list_style_position); }
685
686    const Length& marginTop() const { return surround->margin.top(); }
687    const Length& marginBottom() const { return surround->margin.bottom(); }
688    const Length& marginLeft() const { return surround->margin.left(); }
689    const Length& marginRight() const { return surround->margin.right(); }
690    const Length& marginBefore() const { return surround->margin.before(writingMode()); }
691    const Length& marginAfter() const { return surround->margin.after(writingMode()); }
692    const Length& marginStart() const { return surround->margin.start(writingMode(), direction()); }
693    const Length& marginEnd() const { return surround->margin.end(writingMode(), direction()); }
694    const Length& marginStartUsing(const RenderStyle* otherStyle) const { return surround->margin.start(otherStyle->writingMode(), otherStyle->direction()); }
695    const Length& marginEndUsing(const RenderStyle* otherStyle) const { return surround->margin.end(otherStyle->writingMode(), otherStyle->direction()); }
696    const Length& marginBeforeUsing(const RenderStyle* otherStyle) const { return surround->margin.before(otherStyle->writingMode()); }
697    const Length& marginAfterUsing(const RenderStyle* otherStyle) const { return surround->margin.after(otherStyle->writingMode()); }
698
699    const LengthBox& paddingBox() const { return surround->padding; }
700    const Length& paddingTop() const { return surround->padding.top(); }
701    const Length& paddingBottom() const { return surround->padding.bottom(); }
702    const Length& paddingLeft() const { return surround->padding.left(); }
703    const Length& paddingRight() const { return surround->padding.right(); }
704    const Length& paddingBefore() const { return surround->padding.before(writingMode()); }
705    const Length& paddingAfter() const { return surround->padding.after(writingMode()); }
706    const Length& paddingStart() const { return surround->padding.start(writingMode(), direction()); }
707    const Length& paddingEnd() const { return surround->padding.end(writingMode(), direction()); }
708
709    ECursor cursor() const { return static_cast<ECursor>(inherited_flags._cursor_style); }
710    CursorList* cursors() const { return rareInheritedData->cursorData.get(); }
711
712    EInsideLink insideLink() const { return static_cast<EInsideLink>(inherited_flags._insideLink); }
713    bool isLink() const { return noninherited_flags.isLink; }
714
715    short widows() const { return rareInheritedData->widows; }
716    short orphans() const { return rareInheritedData->orphans; }
717    bool hasAutoWidows() const { return rareInheritedData->m_hasAutoWidows; }
718    bool hasAutoOrphans() const { return rareInheritedData->m_hasAutoOrphans; }
719    EPageBreak pageBreakInside() const { return static_cast<EPageBreak>(noninherited_flags.pageBreakInside); }
720    EPageBreak pageBreakBefore() const { return static_cast<EPageBreak>(noninherited_flags.pageBreakBefore); }
721    EPageBreak pageBreakAfter() const { return static_cast<EPageBreak>(noninherited_flags.pageBreakAfter); }
722
723    // CSS3 Getter Methods
724
725    int outlineOffset() const
726    {
727        if (m_background->outline().style() == BNONE)
728            return 0;
729        return m_background->outline().offset();
730    }
731
732    ShadowList* textShadow() const { return rareInheritedData->textShadow.get(); }
733    void getTextShadowExtent(LayoutUnit& top, LayoutUnit& right, LayoutUnit& bottom, LayoutUnit& left) const { getShadowExtent(textShadow(), top, right, bottom, left); }
734    void getTextShadowHorizontalExtent(LayoutUnit& left, LayoutUnit& right) const { getShadowHorizontalExtent(textShadow(), left, right); }
735    void getTextShadowVerticalExtent(LayoutUnit& top, LayoutUnit& bottom) const { getShadowVerticalExtent(textShadow(), top, bottom); }
736    void getTextShadowInlineDirectionExtent(LayoutUnit& logicalLeft, LayoutUnit& logicalRight) { getShadowInlineDirectionExtent(textShadow(), logicalLeft, logicalRight); }
737    void getTextShadowBlockDirectionExtent(LayoutUnit& logicalTop, LayoutUnit& logicalBottom) { getShadowBlockDirectionExtent(textShadow(), logicalTop, logicalBottom); }
738
739    float textStrokeWidth() const { return rareInheritedData->textStrokeWidth; }
740    float opacity() const { return rareNonInheritedData->opacity; }
741    bool hasOpacity() const { return opacity() < 1.0f; }
742    ControlPart appearance() const { return static_cast<ControlPart>(rareNonInheritedData->m_appearance); }
743    // aspect ratio convenience method
744    bool hasAspectRatio() const { return rareNonInheritedData->m_hasAspectRatio; }
745    float aspectRatio() const { return aspectRatioNumerator() / aspectRatioDenominator(); }
746    float aspectRatioDenominator() const { return rareNonInheritedData->m_aspectRatioDenominator; }
747    float aspectRatioNumerator() const { return rareNonInheritedData->m_aspectRatioNumerator; }
748    EBoxAlignment boxAlign() const { return static_cast<EBoxAlignment>(rareNonInheritedData->m_deprecatedFlexibleBox->align); }
749    EBoxDirection boxDirection() const { return static_cast<EBoxDirection>(inherited_flags._box_direction); }
750    float boxFlex() const { return rareNonInheritedData->m_deprecatedFlexibleBox->flex; }
751    unsigned boxFlexGroup() const { return rareNonInheritedData->m_deprecatedFlexibleBox->flexGroup; }
752    EBoxLines boxLines() const { return static_cast<EBoxLines>(rareNonInheritedData->m_deprecatedFlexibleBox->lines); }
753    unsigned boxOrdinalGroup() const { return rareNonInheritedData->m_deprecatedFlexibleBox->ordinalGroup; }
754    EBoxOrient boxOrient() const { return static_cast<EBoxOrient>(rareNonInheritedData->m_deprecatedFlexibleBox->orient); }
755    EBoxPack boxPack() const { return static_cast<EBoxPack>(rareNonInheritedData->m_deprecatedFlexibleBox->pack); }
756
757    int order() const { return rareNonInheritedData->m_order; }
758    const Vector<String>& callbackSelectors() const { return rareNonInheritedData->m_callbackSelectors; }
759    float flexGrow() const { return rareNonInheritedData->m_flexibleBox->m_flexGrow; }
760    float flexShrink() const { return rareNonInheritedData->m_flexibleBox->m_flexShrink; }
761    const Length& flexBasis() const { return rareNonInheritedData->m_flexibleBox->m_flexBasis; }
762    EAlignContent alignContent() const { return static_cast<EAlignContent>(rareNonInheritedData->m_alignContent); }
763    ItemPosition alignItems() const { return static_cast<ItemPosition>(rareNonInheritedData->m_alignItems); }
764    OverflowAlignment alignItemsOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_alignItemsOverflowAlignment); }
765    ItemPosition alignSelf() const { return static_cast<ItemPosition>(rareNonInheritedData->m_alignSelf); }
766    OverflowAlignment alignSelfOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_alignSelfOverflowAlignment); }
767    EFlexDirection flexDirection() const { return static_cast<EFlexDirection>(rareNonInheritedData->m_flexibleBox->m_flexDirection); }
768    bool isColumnFlexDirection() const { return flexDirection() == FlowColumn || flexDirection() == FlowColumnReverse; }
769    bool isReverseFlexDirection() const { return flexDirection() == FlowRowReverse || flexDirection() == FlowColumnReverse; }
770    EFlexWrap flexWrap() const { return static_cast<EFlexWrap>(rareNonInheritedData->m_flexibleBox->m_flexWrap); }
771    EJustifyContent justifyContent() const { return static_cast<EJustifyContent>(rareNonInheritedData->m_justifyContent); }
772    ItemPosition justifyItems() const { return static_cast<ItemPosition>(rareNonInheritedData->m_justifyItems); }
773    OverflowAlignment justifyItemsOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_justifyItemsOverflowAlignment); }
774    ItemPositionType justifyItemsPositionType() const { return static_cast<ItemPositionType>(rareNonInheritedData->m_justifyItemsPositionType); }
775    ItemPosition justifySelf() const { return static_cast<ItemPosition>(rareNonInheritedData->m_justifySelf); }
776    OverflowAlignment justifySelfOverflowAlignment() const { return static_cast<OverflowAlignment>(rareNonInheritedData->m_justifySelfOverflowAlignment); }
777
778    const Vector<GridTrackSize>& gridTemplateColumns() const { return rareNonInheritedData->m_grid->m_gridTemplateColumns; }
779    const Vector<GridTrackSize>& gridTemplateRows() const { return rareNonInheritedData->m_grid->m_gridTemplateRows; }
780    const NamedGridLinesMap& namedGridColumnLines() const { return rareNonInheritedData->m_grid->m_namedGridColumnLines; }
781    const NamedGridLinesMap& namedGridRowLines() const { return rareNonInheritedData->m_grid->m_namedGridRowLines; }
782    const OrderedNamedGridLines& orderedNamedGridColumnLines() const { return rareNonInheritedData->m_grid->m_orderedNamedGridColumnLines; }
783    const OrderedNamedGridLines& orderedNamedGridRowLines() const { return rareNonInheritedData->m_grid->m_orderedNamedGridRowLines; }
784    const NamedGridAreaMap& namedGridArea() const { return rareNonInheritedData->m_grid->m_namedGridArea; }
785    size_t namedGridAreaRowCount() const { return rareNonInheritedData->m_grid->m_namedGridAreaRowCount; }
786    size_t namedGridAreaColumnCount() const { return rareNonInheritedData->m_grid->m_namedGridAreaColumnCount; }
787    GridAutoFlow gridAutoFlow() const { return static_cast<GridAutoFlow>(rareNonInheritedData->m_grid->m_gridAutoFlow); }
788    bool isGridAutoFlowDirectionRow() const { return (rareNonInheritedData->m_grid->m_gridAutoFlow & InternalAutoFlowDirectionRow) == InternalAutoFlowDirectionRow; }
789    bool isGridAutoFlowDirectionColumn() const { return (rareNonInheritedData->m_grid->m_gridAutoFlow & InternalAutoFlowDirectionColumn) == InternalAutoFlowDirectionColumn; }
790    bool isGridAutoFlowAlgorithmSparse() const { return (rareNonInheritedData->m_grid->m_gridAutoFlow & InternalAutoFlowAlgorithmSparse) == InternalAutoFlowAlgorithmSparse; }
791    bool isGridAutoFlowAlgorithmDense() const { return (rareNonInheritedData->m_grid->m_gridAutoFlow & InternalAutoFlowAlgorithmDense) == InternalAutoFlowAlgorithmDense; }
792    bool isGridAutoFlowAlgorithmStack() const { return (rareNonInheritedData->m_grid->m_gridAutoFlow & InternalAutoFlowAlgorithmStack) == InternalAutoFlowAlgorithmStack; }
793    const GridTrackSize& gridAutoColumns() const { return rareNonInheritedData->m_grid->m_gridAutoColumns; }
794    const GridTrackSize& gridAutoRows() const { return rareNonInheritedData->m_grid->m_gridAutoRows; }
795
796    const GridPosition& gridColumnStart() const { return rareNonInheritedData->m_gridItem->m_gridColumnStart; }
797    const GridPosition& gridColumnEnd() const { return rareNonInheritedData->m_gridItem->m_gridColumnEnd; }
798    const GridPosition& gridRowStart() const { return rareNonInheritedData->m_gridItem->m_gridRowStart; }
799    const GridPosition& gridRowEnd() const { return rareNonInheritedData->m_gridItem->m_gridRowEnd; }
800
801    ShadowList* boxShadow() const { return rareNonInheritedData->m_boxShadow.get(); }
802    void getBoxShadowExtent(LayoutUnit& top, LayoutUnit& right, LayoutUnit& bottom, LayoutUnit& left) const { getShadowExtent(boxShadow(), top, right, bottom, left); }
803    LayoutBoxExtent getBoxShadowInsetExtent() const { return getShadowInsetExtent(boxShadow()); }
804    void getBoxShadowHorizontalExtent(LayoutUnit& left, LayoutUnit& right) const { getShadowHorizontalExtent(boxShadow(), left, right); }
805    void getBoxShadowVerticalExtent(LayoutUnit& top, LayoutUnit& bottom) const { getShadowVerticalExtent(boxShadow(), top, bottom); }
806    void getBoxShadowInlineDirectionExtent(LayoutUnit& logicalLeft, LayoutUnit& logicalRight) { getShadowInlineDirectionExtent(boxShadow(), logicalLeft, logicalRight); }
807    void getBoxShadowBlockDirectionExtent(LayoutUnit& logicalTop, LayoutUnit& logicalBottom) { getShadowBlockDirectionExtent(boxShadow(), logicalTop, logicalBottom); }
808
809    EBoxDecorationBreak boxDecorationBreak() const { return m_box->boxDecorationBreak(); }
810    StyleReflection* boxReflect() const { return rareNonInheritedData->m_boxReflect.get(); }
811    bool reflectionDataEquivalent(const RenderStyle* otherStyle) const { return rareNonInheritedData->reflectionDataEquivalent(*otherStyle->rareNonInheritedData); }
812
813    // FIXME: reflections should belong to this helper function but they are currently handled
814    // through their self-painting layers. So the rendering code doesn't account for them.
815    bool hasVisualOverflowingEffect() const { return boxShadow() || hasBorderImageOutsets() || hasOutline(); }
816
817    EBoxSizing boxSizing() const { return m_box->boxSizing(); }
818    const Length& marqueeIncrement() const { return rareNonInheritedData->m_marquee->increment; }
819    int marqueeSpeed() const { return rareNonInheritedData->m_marquee->speed; }
820    int marqueeLoopCount() const { return rareNonInheritedData->m_marquee->loops; }
821    EMarqueeBehavior marqueeBehavior() const { return static_cast<EMarqueeBehavior>(rareNonInheritedData->m_marquee->behavior); }
822    EMarqueeDirection marqueeDirection() const { return static_cast<EMarqueeDirection>(rareNonInheritedData->m_marquee->direction); }
823    EUserModify userModify() const { return static_cast<EUserModify>(rareInheritedData->userModify); }
824    EUserDrag userDrag() const { return static_cast<EUserDrag>(rareNonInheritedData->userDrag); }
825    EUserSelect userSelect() const { return static_cast<EUserSelect>(rareInheritedData->userSelect); }
826    TextOverflow textOverflow() const { return static_cast<TextOverflow>(rareNonInheritedData->textOverflow); }
827    EMarginCollapse marginBeforeCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginBeforeCollapse); }
828    EMarginCollapse marginAfterCollapse() const { return static_cast<EMarginCollapse>(rareNonInheritedData->marginAfterCollapse); }
829    EWordBreak wordBreak() const { return static_cast<EWordBreak>(rareInheritedData->wordBreak); }
830    EOverflowWrap overflowWrap() const { return static_cast<EOverflowWrap>(rareInheritedData->overflowWrap); }
831    LineBreak lineBreak() const { return static_cast<LineBreak>(rareInheritedData->lineBreak); }
832    const AtomicString& highlight() const { return rareInheritedData->highlight; }
833    const AtomicString& hyphenationString() const { return rareInheritedData->hyphenationString; }
834    const AtomicString& locale() const { return rareInheritedData->locale; }
835    EBorderFit borderFit() const { return static_cast<EBorderFit>(rareNonInheritedData->m_borderFit); }
836    EResize resize() const { return static_cast<EResize>(rareInheritedData->resize); }
837    bool hasInlinePaginationAxis() const
838    {
839        // If the pagination axis is parallel with the writing mode inline axis, columns may be laid
840        // out along the inline axis, just like for regular multicol. Otherwise, we need to lay out
841        // along the block axis.
842        if (isOverflowPaged())
843            return (overflowY() == OPAGEDX) == isHorizontalWritingMode();
844        return false;
845    }
846    float columnWidth() const { return rareNonInheritedData->m_multiCol->m_width; }
847    bool hasAutoColumnWidth() const { return rareNonInheritedData->m_multiCol->m_autoWidth; }
848    unsigned short columnCount() const { return rareNonInheritedData->m_multiCol->m_count; }
849    bool hasAutoColumnCount() const { return rareNonInheritedData->m_multiCol->m_autoCount; }
850    bool specifiesColumns() const { return !hasAutoColumnCount() || !hasAutoColumnWidth(); }
851    ColumnFill columnFill() const { return static_cast<ColumnFill>(rareNonInheritedData->m_multiCol->m_fill); }
852    float columnGap() const { return rareNonInheritedData->m_multiCol->m_gap; }
853    bool hasNormalColumnGap() const { return rareNonInheritedData->m_multiCol->m_normalGap; }
854    EBorderStyle columnRuleStyle() const { return rareNonInheritedData->m_multiCol->m_rule.style(); }
855    unsigned short columnRuleWidth() const { return rareNonInheritedData->m_multiCol->ruleWidth(); }
856    bool columnRuleIsTransparent() const { return rareNonInheritedData->m_multiCol->m_rule.isTransparent(); }
857    ColumnSpan columnSpan() const { return static_cast<ColumnSpan>(rareNonInheritedData->m_multiCol->m_columnSpan); }
858    EPageBreak columnBreakBefore() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakBefore); }
859    EPageBreak columnBreakInside() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakInside); }
860    EPageBreak columnBreakAfter() const { return static_cast<EPageBreak>(rareNonInheritedData->m_multiCol->m_breakAfter); }
861    bool hasInlineTransform() const { return rareNonInheritedData->m_hasInlineTransform; }
862    const TransformOperations& transform() const { return rareNonInheritedData->m_transform->m_operations; }
863    const Length& transformOriginX() const { return rareNonInheritedData->m_transform->m_x; }
864    const Length& transformOriginY() const { return rareNonInheritedData->m_transform->m_y; }
865    float transformOriginZ() const { return rareNonInheritedData->m_transform->m_z; }
866    bool hasTransform() const { return !rareNonInheritedData->m_transform->m_operations.operations().isEmpty(); }
867    bool transformDataEquivalent(const RenderStyle& otherStyle) const { return rareNonInheritedData->m_transform == otherStyle.rareNonInheritedData->m_transform; }
868
869    TextEmphasisFill textEmphasisFill() const { return static_cast<TextEmphasisFill>(rareInheritedData->textEmphasisFill); }
870    TextEmphasisMark textEmphasisMark() const;
871    const AtomicString& textEmphasisCustomMark() const { return rareInheritedData->textEmphasisCustomMark; }
872    TextEmphasisPosition textEmphasisPosition() const { return static_cast<TextEmphasisPosition>(rareInheritedData->textEmphasisPosition); }
873    const AtomicString& textEmphasisMarkString() const;
874
875    RubyPosition rubyPosition() const { return static_cast<RubyPosition>(rareInheritedData->m_rubyPosition); }
876
877    TextOrientation textOrientation() const { return static_cast<TextOrientation>(rareInheritedData->m_textOrientation); }
878
879    ObjectFit objectFit() const { return static_cast<ObjectFit>(rareNonInheritedData->m_objectFit); }
880    LengthPoint objectPosition() const { return rareNonInheritedData->m_objectPosition; }
881
882    // Return true if any transform related property (currently transform, transformStyle3D or perspective)
883    // indicates that we are transforming
884    bool hasTransformRelatedProperty() const { return hasTransform() || preserves3D() || hasPerspective(); }
885
886    enum ApplyTransformOrigin { IncludeTransformOrigin, ExcludeTransformOrigin };
887    void applyTransform(TransformationMatrix&, const LayoutSize& borderBoxSize, ApplyTransformOrigin = IncludeTransformOrigin) const;
888    void applyTransform(TransformationMatrix&, const FloatRect& boundingBox, ApplyTransformOrigin = IncludeTransformOrigin) const;
889
890    bool hasMask() const { return rareNonInheritedData->m_mask.hasImage() || rareNonInheritedData->m_maskBoxImage.hasImage(); }
891
892    TextCombine textCombine() const { return static_cast<TextCombine>(rareNonInheritedData->m_textCombine); }
893    bool hasTextCombine() const { return textCombine() != TextCombineNone; }
894
895    unsigned tabSize() const { return rareInheritedData->m_tabSize; }
896
897    // End CSS3 Getters
898
899    WrapFlow wrapFlow() const { return static_cast<WrapFlow>(rareNonInheritedData->m_wrapFlow); }
900    WrapThrough wrapThrough() const { return static_cast<WrapThrough>(rareNonInheritedData->m_wrapThrough); }
901
902    // Apple-specific property getter methods
903    EPointerEvents pointerEvents() const { return static_cast<EPointerEvents>(inherited_flags._pointerEvents); }
904    const CSSAnimationData* animations() const { return rareNonInheritedData->m_animations.get(); }
905    const CSSTransitionData* transitions() const { return rareNonInheritedData->m_transitions.get(); }
906
907    CSSAnimationData& accessAnimations();
908    CSSTransitionData& accessTransitions();
909
910    ETransformStyle3D transformStyle3D() const { return static_cast<ETransformStyle3D>(rareNonInheritedData->m_transformStyle3D); }
911    bool preserves3D() const { return rareNonInheritedData->m_transformStyle3D == TransformStyle3DPreserve3D; }
912
913    EBackfaceVisibility backfaceVisibility() const { return static_cast<EBackfaceVisibility>(rareNonInheritedData->m_backfaceVisibility); }
914    float perspective() const { return rareNonInheritedData->m_perspective; }
915    bool hasPerspective() const { return rareNonInheritedData->m_perspective > 0; }
916    const Length& perspectiveOriginX() const { return rareNonInheritedData->m_perspectiveOriginX; }
917    const Length& perspectiveOriginY() const { return rareNonInheritedData->m_perspectiveOriginY; }
918    const LengthSize& pageSize() const { return rareNonInheritedData->m_pageSize; }
919    PageSizeType pageSizeType() const { return static_cast<PageSizeType>(rareNonInheritedData->m_pageSizeType); }
920
921    bool hasCurrentOpacityAnimation() const { return rareNonInheritedData->m_hasCurrentOpacityAnimation; }
922    bool hasCurrentTransformAnimation() const { return rareNonInheritedData->m_hasCurrentTransformAnimation; }
923    bool hasCurrentFilterAnimation() const { return rareNonInheritedData->m_hasCurrentFilterAnimation; }
924    bool shouldCompositeForCurrentAnimations() { return hasCurrentOpacityAnimation() || hasCurrentTransformAnimation() || hasCurrentFilterAnimation(); }
925
926    bool isRunningOpacityAnimationOnCompositor() const { return rareNonInheritedData->m_runningOpacityAnimationOnCompositor; }
927    bool isRunningTransformAnimationOnCompositor() const { return rareNonInheritedData->m_runningTransformAnimationOnCompositor; }
928    bool isRunningFilterAnimationOnCompositor() const { return rareNonInheritedData->m_runningFilterAnimationOnCompositor; }
929    bool isRunningAnimationOnCompositor() { return isRunningOpacityAnimationOnCompositor() || isRunningTransformAnimationOnCompositor() || isRunningFilterAnimationOnCompositor(); }
930
931    LineBoxContain lineBoxContain() const { return rareInheritedData->m_lineBoxContain; }
932    const LineClampValue& lineClamp() const { return rareNonInheritedData->lineClamp; }
933    Color tapHighlightColor() const { return rareInheritedData->tapHighlightColor; }
934    ETextSecurity textSecurity() const { return static_cast<ETextSecurity>(rareInheritedData->textSecurity); }
935
936    WritingMode writingMode() const { return static_cast<WritingMode>(inherited_flags.m_writingMode); }
937    bool isHorizontalWritingMode() const { return blink::isHorizontalWritingMode(writingMode()); }
938    bool isFlippedLinesWritingMode() const { return blink::isFlippedLinesWritingMode(writingMode()); }
939    bool isFlippedBlocksWritingMode() const { return blink::isFlippedBlocksWritingMode(writingMode()); }
940
941    EImageRendering imageRendering() const { return static_cast<EImageRendering>(rareInheritedData->m_imageRendering); }
942
943    ESpeak speak() const { return static_cast<ESpeak>(rareInheritedData->speak); }
944
945    FilterOperations& mutableFilter() { return rareNonInheritedData.access()->m_filter.access()->m_operations; }
946    const FilterOperations& filter() const { return rareNonInheritedData->m_filter->m_operations; }
947    bool hasFilter() const { return !rareNonInheritedData->m_filter->m_operations.operations().isEmpty(); }
948
949    WebBlendMode blendMode() const;
950    void setBlendMode(WebBlendMode v);
951    bool hasBlendMode() const;
952
953    EIsolation isolation() const;
954    void setIsolation(EIsolation v);
955    bool hasIsolation() const;
956
957    bool shouldPlaceBlockDirectionScrollbarOnLogicalLeft() const { return !isLeftToRightDirection() && isHorizontalWritingMode(); }
958
959    TouchAction touchAction() const { return static_cast<TouchAction>(rareNonInheritedData->m_touchAction); }
960    TouchActionDelay touchActionDelay() const { return static_cast<TouchActionDelay>(rareInheritedData->m_touchActionDelay); }
961
962    ScrollBehavior scrollBehavior() const { return static_cast<ScrollBehavior>(rareNonInheritedData->m_scrollBehavior); }
963
964    const Vector<CSSPropertyID>& willChangeProperties() const { return rareNonInheritedData->m_willChange->m_properties; }
965    bool willChangeContents() const { return rareNonInheritedData->m_willChange->m_contents; }
966    bool willChangeScrollPosition() const { return rareNonInheritedData->m_willChange->m_scrollPosition; }
967    bool hasWillChangeCompositingHint() const;
968    bool subtreeWillChangeContents() const { return rareInheritedData->m_subtreeWillChangeContents; }
969
970// attribute setter methods
971
972    void setDisplay(EDisplay v) { noninherited_flags.effectiveDisplay = v; }
973    void setOriginalDisplay(EDisplay v) { noninherited_flags.originalDisplay = v; }
974    void setPosition(EPosition v) { noninherited_flags.position = v; }
975    void setFloating(EFloat v) { noninherited_flags.floating = v; }
976
977    void setLeft(const Length& v) { SET_VAR(surround, offset.m_left, v); }
978    void setRight(const Length& v) { SET_VAR(surround, offset.m_right, v); }
979    void setTop(const Length& v) { SET_VAR(surround, offset.m_top, v); }
980    void setBottom(const Length& v) { SET_VAR(surround, offset.m_bottom, v); }
981
982    void setWidth(const Length& v) { SET_VAR(m_box, m_width, v); }
983    void setHeight(const Length& v) { SET_VAR(m_box, m_height, v); }
984
985    void setLogicalWidth(const Length& v)
986    {
987        if (isHorizontalWritingMode()) {
988            SET_VAR(m_box, m_width, v);
989        } else {
990            SET_VAR(m_box, m_height, v);
991        }
992    }
993
994    void setLogicalHeight(const Length& v)
995    {
996        if (isHorizontalWritingMode()) {
997            SET_VAR(m_box, m_height, v);
998        } else {
999            SET_VAR(m_box, m_width, v);
1000        }
1001    }
1002
1003    void setMinWidth(const Length& v) { SET_VAR(m_box, m_minWidth, v); }
1004    void setMaxWidth(const Length& v) { SET_VAR(m_box, m_maxWidth, v); }
1005    void setMinHeight(const Length& v) { SET_VAR(m_box, m_minHeight, v); }
1006    void setMaxHeight(const Length& v) { SET_VAR(m_box, m_maxHeight, v); }
1007
1008    DraggableRegionMode getDraggableRegionMode() const { return rareNonInheritedData->m_draggableRegionMode; }
1009    void setDraggableRegionMode(DraggableRegionMode v) { SET_VAR(rareNonInheritedData, m_draggableRegionMode, v); }
1010
1011    void resetBorder()
1012    {
1013        resetBorderImage();
1014        resetBorderTop();
1015        resetBorderRight();
1016        resetBorderBottom();
1017        resetBorderLeft();
1018        resetBorderTopLeftRadius();
1019        resetBorderTopRightRadius();
1020        resetBorderBottomLeftRadius();
1021        resetBorderBottomRightRadius();
1022    }
1023    void resetBorderTop() { SET_VAR(surround, border.m_top, BorderValue()); }
1024    void resetBorderRight() { SET_VAR(surround, border.m_right, BorderValue()); }
1025    void resetBorderBottom() { SET_VAR(surround, border.m_bottom, BorderValue()); }
1026    void resetBorderLeft() { SET_VAR(surround, border.m_left, BorderValue()); }
1027    void resetBorderImage() { SET_VAR(surround, border.m_image, NinePieceImage()); }
1028    void resetBorderTopLeftRadius() { SET_VAR(surround, border.m_topLeft, initialBorderRadius()); }
1029    void resetBorderTopRightRadius() { SET_VAR(surround, border.m_topRight, initialBorderRadius()); }
1030    void resetBorderBottomLeftRadius() { SET_VAR(surround, border.m_bottomLeft, initialBorderRadius()); }
1031    void resetBorderBottomRightRadius() { SET_VAR(surround, border.m_bottomRight, initialBorderRadius()); }
1032
1033    void setBackgroundColor(const StyleColor& v) { SET_VAR(m_background, m_color, v); }
1034
1035    void setBackgroundXPosition(const Length& length) { SET_VAR(m_background, m_background.m_xPosition, length); }
1036    void setBackgroundYPosition(const Length& length) { SET_VAR(m_background, m_background.m_yPosition, length); }
1037    void setBackgroundSize(EFillSizeType b) { SET_VAR(m_background, m_background.m_sizeType, b); }
1038    void setBackgroundSizeLength(const LengthSize& s) { SET_VAR(m_background, m_background.m_sizeLength, s); }
1039
1040    void setBorderImage(const NinePieceImage& b) { SET_VAR(surround, border.m_image, b); }
1041    void setBorderImageSource(PassRefPtr<StyleImage>);
1042    void setBorderImageSlices(const LengthBox&);
1043    void setBorderImageWidth(const BorderImageLengthBox&);
1044    void setBorderImageOutset(const BorderImageLengthBox&);
1045
1046    void setBorderTopLeftRadius(const LengthSize& s) { SET_VAR(surround, border.m_topLeft, s); }
1047    void setBorderTopRightRadius(const LengthSize& s) { SET_VAR(surround, border.m_topRight, s); }
1048    void setBorderBottomLeftRadius(const LengthSize& s) { SET_VAR(surround, border.m_bottomLeft, s); }
1049    void setBorderBottomRightRadius(const LengthSize& s) { SET_VAR(surround, border.m_bottomRight, s); }
1050
1051    void setBorderRadius(const LengthSize& s)
1052    {
1053        setBorderTopLeftRadius(s);
1054        setBorderTopRightRadius(s);
1055        setBorderBottomLeftRadius(s);
1056        setBorderBottomRightRadius(s);
1057    }
1058    void setBorderRadius(const IntSize& s)
1059    {
1060        setBorderRadius(LengthSize(Length(s.width(), Fixed), Length(s.height(), Fixed)));
1061    }
1062
1063    RoundedRect getRoundedBorderFor(const LayoutRect& borderRect, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true) const;
1064    RoundedRect getRoundedInnerBorderFor(const LayoutRect& borderRect, bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true) const;
1065
1066    RoundedRect getRoundedInnerBorderFor(const LayoutRect& borderRect,
1067        int topWidth, int bottomWidth, int leftWidth, int rightWidth, bool includeLogicalLeftEdge, bool includeLogicalRightEdge) const;
1068
1069    void setBorderLeftWidth(unsigned v) { SET_VAR(surround, border.m_left.m_width, v); }
1070    void setBorderLeftStyle(EBorderStyle v) { SET_VAR(surround, border.m_left.m_style, v); }
1071    void setBorderLeftColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_left, v); }
1072    void setBorderRightWidth(unsigned v) { SET_VAR(surround, border.m_right.m_width, v); }
1073    void setBorderRightStyle(EBorderStyle v) { SET_VAR(surround, border.m_right.m_style, v); }
1074    void setBorderRightColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_right, v); }
1075    void setBorderTopWidth(unsigned v) { SET_VAR(surround, border.m_top.m_width, v); }
1076    void setBorderTopStyle(EBorderStyle v) { SET_VAR(surround, border.m_top.m_style, v); }
1077    void setBorderTopColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_top, v); }
1078    void setBorderBottomWidth(unsigned v) { SET_VAR(surround, border.m_bottom.m_width, v); }
1079    void setBorderBottomStyle(EBorderStyle v) { SET_VAR(surround, border.m_bottom.m_style, v); }
1080    void setBorderBottomColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(surround, border.m_bottom, v); }
1081
1082    void setOutlineWidth(unsigned short v) { SET_VAR(m_background, m_outline.m_width, v); }
1083    void setOutlineStyleIsAuto(OutlineIsAuto isAuto) { SET_VAR(m_background, m_outline.m_isAuto, isAuto); }
1084    void setOutlineStyle(EBorderStyle v) { SET_VAR(m_background, m_outline.m_style, v); }
1085    void setOutlineColor(const StyleColor& v) { SET_BORDERVALUE_COLOR(m_background, m_outline, v); }
1086    bool isOutlineEquivalent(const RenderStyle* otherStyle) const
1087    {
1088        // No other style, so we don't have an outline then we consider them to be the same.
1089        if (!otherStyle)
1090            return !hasOutline();
1091        return m_background->outline().visuallyEqual(otherStyle->m_background->outline());
1092    }
1093    void setOutlineFromStyle(const RenderStyle& o)
1094    {
1095        ASSERT(!isOutlineEquivalent(&o));
1096        m_background.access()->m_outline = o.m_background->m_outline;
1097    }
1098
1099    void setOverflowX(EOverflow v) { noninherited_flags.overflowX = v; }
1100    void setOverflowY(EOverflow v) { noninherited_flags.overflowY = v; }
1101    void setVisibility(EVisibility v) { inherited_flags._visibility = v; }
1102    void setVerticalAlign(EVerticalAlign v) { noninherited_flags.verticalAlign = v; }
1103    void setVerticalAlignLength(const Length& length) { setVerticalAlign(LENGTH); SET_VAR(m_box, m_verticalAlign, length); }
1104
1105    void setHasAutoClip() { SET_VAR(visual, hasAutoClip, true); SET_VAR(visual, clip, RenderStyle::initialClip()); }
1106    void setClip(const LengthBox& box) { SET_VAR(visual, hasAutoClip, false); SET_VAR(visual, clip, box); }
1107
1108    void setUnicodeBidi(EUnicodeBidi b) { noninherited_flags.unicodeBidi = b; }
1109
1110    void setClear(EClear v) { noninherited_flags.clear = v; }
1111    void setTableLayout(ETableLayout v) { noninherited_flags.tableLayout = v; }
1112
1113    bool setFontDescription(const FontDescription&);
1114    // Only used for blending font sizes when animating and for text autosizing.
1115    void setFontSize(float);
1116    void setFontStretch(FontStretch);
1117    void setFontWeight(FontWeight);
1118
1119    void setTextAutosizingMultiplier(float v)
1120    {
1121        SET_VAR(inherited, textAutosizingMultiplier, v);
1122        setFontSize(fontDescription().specifiedSize());
1123    }
1124
1125    void setColor(const Color&);
1126    void setTextIndent(const Length& v) { SET_VAR(rareInheritedData, indent, v); }
1127    void setTextIndentLine(TextIndentLine v) { SET_VAR(rareInheritedData, m_textIndentLine, v); }
1128    void setTextIndentType(TextIndentType v) { SET_VAR(rareInheritedData, m_textIndentType, v); }
1129    void setTextAlign(ETextAlign v) { inherited_flags._text_align = v; }
1130    void setTextAlignLast(TextAlignLast v) { SET_VAR(rareInheritedData, m_textAlignLast, v); }
1131    void setTextJustify(TextJustify v) { SET_VAR(rareInheritedData, m_textJustify, v); }
1132    void setTextTransform(ETextTransform v) { inherited_flags._text_transform = v; }
1133    void applyTextDecorations();
1134    void clearAppliedTextDecorations();
1135    void setTextDecoration(TextDecoration v) { SET_VAR(visual, textDecoration, v); }
1136    void setTextUnderlinePosition(TextUnderlinePosition v) { SET_VAR(rareInheritedData, m_textUnderlinePosition, v); }
1137    void setTextDecorationStyle(TextDecorationStyle v) { SET_VAR(rareNonInheritedData, m_textDecorationStyle, v); }
1138    void setDirection(TextDirection v) { inherited_flags._direction = v; }
1139    void setLineHeight(const Length& specifiedLineHeight);
1140    bool setZoom(float);
1141    bool setEffectiveZoom(float);
1142
1143    void setImageRendering(EImageRendering v) { SET_VAR(rareInheritedData, m_imageRendering, v); }
1144
1145    void setWhiteSpace(EWhiteSpace v) { inherited_flags._white_space = v; }
1146
1147    // FIXME: Remove these two and replace them with respective FontBuilder calls.
1148    void setWordSpacing(float);
1149    void setLetterSpacing(float);
1150
1151    void adjustBackgroundLayers()
1152    {
1153        if (backgroundLayers().next()) {
1154            accessBackgroundLayers().cullEmptyLayers();
1155            accessBackgroundLayers().fillUnsetProperties();
1156        }
1157    }
1158
1159    void adjustMaskLayers()
1160    {
1161        if (maskLayers().next()) {
1162            accessMaskLayers().cullEmptyLayers();
1163            accessMaskLayers().fillUnsetProperties();
1164        }
1165    }
1166
1167    void setMaskImage(PassRefPtr<StyleImage> v) { rareNonInheritedData.access()->m_mask.setImage(v); }
1168
1169    void setMaskBoxImage(const NinePieceImage& b) { SET_VAR(rareNonInheritedData, m_maskBoxImage, b); }
1170    void setMaskBoxImageSource(PassRefPtr<StyleImage> v) { rareNonInheritedData.access()->m_maskBoxImage.setImage(v); }
1171    void setMaskBoxImageSlices(const LengthBox& slices)
1172    {
1173        rareNonInheritedData.access()->m_maskBoxImage.setImageSlices(slices);
1174    }
1175    void setMaskBoxImageSlicesFill(bool fill)
1176    {
1177        rareNonInheritedData.access()->m_maskBoxImage.setFill(fill);
1178    }
1179    void setMaskBoxImageWidth(const BorderImageLengthBox& slices)
1180    {
1181        rareNonInheritedData.access()->m_maskBoxImage.setBorderSlices(slices);
1182    }
1183    void setMaskBoxImageOutset(const BorderImageLengthBox& outset)
1184    {
1185        rareNonInheritedData.access()->m_maskBoxImage.setOutset(outset);
1186    }
1187    void setMaskXPosition(const Length& length) { SET_VAR(rareNonInheritedData, m_mask.m_xPosition, length); }
1188    void setMaskYPosition(const Length& length) { SET_VAR(rareNonInheritedData, m_mask.m_yPosition, length); }
1189    void setMaskSize(const LengthSize& s) { SET_VAR(rareNonInheritedData, m_mask.m_sizeLength, s); }
1190
1191    void setBorderCollapse(EBorderCollapse collapse) { inherited_flags._border_collapse = collapse; }
1192    void setHorizontalBorderSpacing(short);
1193    void setVerticalBorderSpacing(short);
1194    void setEmptyCells(EEmptyCell v) { inherited_flags._empty_cells = v; }
1195    void setCaptionSide(ECaptionSide v) { inherited_flags._caption_side = v; }
1196
1197    void setHasAspectRatio(bool b) { SET_VAR(rareNonInheritedData, m_hasAspectRatio, b); }
1198    void setAspectRatioDenominator(float v) { SET_VAR(rareNonInheritedData, m_aspectRatioDenominator, v); }
1199    void setAspectRatioNumerator(float v) { SET_VAR(rareNonInheritedData, m_aspectRatioNumerator, v); }
1200
1201    void setListStyleType(EListStyleType v) { inherited_flags._list_style_type = v; }
1202    void setListStyleImage(PassRefPtr<StyleImage>);
1203    void setListStylePosition(EListStylePosition v) { inherited_flags._list_style_position = v; }
1204
1205    void setMarginTop(const Length& v) { SET_VAR(surround, margin.m_top, v); }
1206    void setMarginBottom(const Length& v) { SET_VAR(surround, margin.m_bottom, v); }
1207    void setMarginLeft(const Length& v) { SET_VAR(surround, margin.m_left, v); }
1208    void setMarginRight(const Length& v) { SET_VAR(surround, margin.m_right, v); }
1209    void setMarginStart(const Length&);
1210    void setMarginEnd(const Length&);
1211
1212    void resetPadding() { SET_VAR(surround, padding, LengthBox(Auto)); }
1213    void setPaddingBox(const LengthBox& b) { SET_VAR(surround, padding, b); }
1214    void setPaddingTop(const Length& v) { SET_VAR(surround, padding.m_top, v); }
1215    void setPaddingBottom(const Length& v) { SET_VAR(surround, padding.m_bottom, v); }
1216    void setPaddingLeft(const Length& v) { SET_VAR(surround, padding.m_left, v); }
1217    void setPaddingRight(const Length& v) { SET_VAR(surround, padding.m_right, v); }
1218
1219    void setCursor(ECursor c) { inherited_flags._cursor_style = c; }
1220    void addCursor(PassRefPtr<StyleImage>, const IntPoint& hotSpot = IntPoint());
1221    void setCursorList(PassRefPtr<CursorList>);
1222    void clearCursorList();
1223
1224    void setInsideLink(EInsideLink insideLink) { inherited_flags._insideLink = insideLink; }
1225    void setIsLink(bool b) { noninherited_flags.isLink = b; }
1226
1227    PrintColorAdjust printColorAdjust() const { return static_cast<PrintColorAdjust>(inherited_flags.m_printColorAdjust); }
1228    void setPrintColorAdjust(PrintColorAdjust value) { inherited_flags.m_printColorAdjust = value; }
1229
1230    bool hasAutoZIndex() const { return m_box->hasAutoZIndex(); }
1231    void setHasAutoZIndex() { SET_VAR(m_box, m_hasAutoZIndex, true); SET_VAR(m_box, m_zIndex, 0); }
1232    int zIndex() const { return m_box->zIndex(); }
1233    void setZIndex(int v) { SET_VAR(m_box, m_hasAutoZIndex, false); SET_VAR(m_box, m_zIndex, v); }
1234
1235    void setHasAutoWidows() { SET_VAR(rareInheritedData, m_hasAutoWidows, true); SET_VAR(rareInheritedData, widows, initialWidows()); }
1236    void setWidows(short w) { SET_VAR(rareInheritedData, m_hasAutoWidows, false); SET_VAR(rareInheritedData, widows, w); }
1237
1238    void setHasAutoOrphans() { SET_VAR(rareInheritedData, m_hasAutoOrphans, true); SET_VAR(rareInheritedData, orphans, initialOrphans()); }
1239    void setOrphans(short o) { SET_VAR(rareInheritedData, m_hasAutoOrphans, false); SET_VAR(rareInheritedData, orphans, o); }
1240
1241    // For valid values of page-break-inside see http://www.w3.org/TR/CSS21/page.html#page-break-props
1242    void setPageBreakInside(EPageBreak b) { ASSERT(b == PBAUTO || b == PBAVOID); noninherited_flags.pageBreakInside = b; }
1243    void setPageBreakBefore(EPageBreak b) { noninherited_flags.pageBreakBefore = b; }
1244    void setPageBreakAfter(EPageBreak b) { noninherited_flags.pageBreakAfter = b; }
1245
1246    // CSS3 Setters
1247    void setOutlineOffset(int v) { SET_VAR(m_background, m_outline.m_offset, v); }
1248    void setTextShadow(PassRefPtr<ShadowList>);
1249    void setTextStrokeColor(const StyleColor& c) { SET_VAR_WITH_SETTER(rareInheritedData, textStrokeColor, setTextStrokeColor, c); }
1250    void setTextStrokeWidth(float w) { SET_VAR(rareInheritedData, textStrokeWidth, w); }
1251    void setTextFillColor(const StyleColor& c) { SET_VAR_WITH_SETTER(rareInheritedData, textFillColor, setTextFillColor, c); }
1252    void setOpacity(float f) { float v = clampTo<float>(f, 0, 1); SET_VAR(rareNonInheritedData, opacity, v); }
1253    void setAppearance(ControlPart a) { SET_VAR(rareNonInheritedData, m_appearance, a); }
1254    // For valid values of box-align see http://www.w3.org/TR/2009/WD-css3-flexbox-20090723/#alignment
1255    void setBoxAlign(EBoxAlignment a) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, align, a); }
1256    void setBoxDecorationBreak(EBoxDecorationBreak b) { SET_VAR(m_box, m_boxDecorationBreak, b); }
1257    void setBoxDirection(EBoxDirection d) { inherited_flags._box_direction = d; }
1258    void setBoxFlex(float f) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, flex, f); }
1259    void setBoxFlexGroup(unsigned fg) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, flexGroup, fg); }
1260    void setBoxLines(EBoxLines l) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, lines, l); }
1261    void setBoxOrdinalGroup(unsigned og) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, ordinalGroup, og); }
1262    void setBoxOrient(EBoxOrient o) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, orient, o); }
1263    void setBoxPack(EBoxPack p) { SET_VAR(rareNonInheritedData.access()->m_deprecatedFlexibleBox, pack, p); }
1264    void setBoxShadow(PassRefPtr<ShadowList>);
1265    void setBoxReflect(PassRefPtr<StyleReflection> reflect) { if (rareNonInheritedData->m_boxReflect != reflect) rareNonInheritedData.access()->m_boxReflect = reflect; }
1266    void setBoxSizing(EBoxSizing s) { SET_VAR(m_box, m_boxSizing, s); }
1267    void setFlexGrow(float f) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexGrow, f); }
1268    void setFlexShrink(float f) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexShrink, f); }
1269    void setFlexBasis(const Length& length) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexBasis, length); }
1270    // We restrict the smallest value to int min + 2 because we use int min and int min + 1 as special values in a hash set.
1271    void setOrder(int o) { SET_VAR(rareNonInheritedData, m_order, max(std::numeric_limits<int>::min() + 2, o)); }
1272    void addCallbackSelector(const String& selector);
1273    void setAlignContent(EAlignContent p) { SET_VAR(rareNonInheritedData, m_alignContent, p); }
1274    void setAlignItems(ItemPosition a) { SET_VAR(rareNonInheritedData, m_alignItems, a); }
1275    void setAlignItemsOverflowAlignment(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_alignItemsOverflowAlignment, overflowAlignment); }
1276    void setAlignSelf(ItemPosition a) { SET_VAR(rareNonInheritedData, m_alignSelf, a); }
1277    void setAlignSelfOverflowAlignment(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_alignSelfOverflowAlignment, overflowAlignment); }
1278    void setFlexDirection(EFlexDirection direction) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexDirection, direction); }
1279    void setFlexWrap(EFlexWrap w) { SET_VAR(rareNonInheritedData.access()->m_flexibleBox, m_flexWrap, w); }
1280    void setJustifyContent(EJustifyContent p) { SET_VAR(rareNonInheritedData, m_justifyContent, p); }
1281    void setJustifyItems(ItemPosition justifyItems) { SET_VAR(rareNonInheritedData, m_justifyItems, justifyItems); }
1282    void setJustifyItemsOverflowAlignment(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_justifyItemsOverflowAlignment, overflowAlignment); }
1283    void setJustifyItemsPositionType(ItemPositionType positionType) { SET_VAR(rareNonInheritedData, m_justifyItemsPositionType, positionType); }
1284    void setJustifySelf(ItemPosition justifySelf) { SET_VAR(rareNonInheritedData, m_justifySelf, justifySelf); }
1285    void setJustifySelfOverflowAlignment(OverflowAlignment overflowAlignment) { SET_VAR(rareNonInheritedData, m_justifySelfOverflowAlignment, overflowAlignment); }
1286    void setGridAutoColumns(const GridTrackSize& length) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridAutoColumns, length); }
1287    void setGridAutoRows(const GridTrackSize& length) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridAutoRows, length); }
1288    void setGridTemplateColumns(const Vector<GridTrackSize>& lengths) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridTemplateColumns, lengths); }
1289    void setGridTemplateRows(const Vector<GridTrackSize>& lengths) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridTemplateRows, lengths); }
1290    void setNamedGridColumnLines(const NamedGridLinesMap& namedGridColumnLines) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridColumnLines, namedGridColumnLines); }
1291    void setNamedGridRowLines(const NamedGridLinesMap& namedGridRowLines) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridRowLines, namedGridRowLines); }
1292    void setOrderedNamedGridColumnLines(const OrderedNamedGridLines& orderedNamedGridColumnLines) { SET_VAR(rareNonInheritedData.access()->m_grid, m_orderedNamedGridColumnLines, orderedNamedGridColumnLines); }
1293    void setOrderedNamedGridRowLines(const OrderedNamedGridLines& orderedNamedGridRowLines) { SET_VAR(rareNonInheritedData.access()->m_grid, m_orderedNamedGridRowLines, orderedNamedGridRowLines); }
1294    void setNamedGridArea(const NamedGridAreaMap& namedGridArea) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridArea, namedGridArea); }
1295    void setNamedGridAreaRowCount(size_t rowCount) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridAreaRowCount, rowCount); }
1296    void setNamedGridAreaColumnCount(size_t columnCount) { SET_VAR(rareNonInheritedData.access()->m_grid, m_namedGridAreaColumnCount, columnCount); }
1297    void setGridAutoFlow(GridAutoFlow flow) { SET_VAR(rareNonInheritedData.access()->m_grid, m_gridAutoFlow, flow); }
1298
1299    void setGridColumnStart(const GridPosition& columnStartPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridColumnStart, columnStartPosition); }
1300    void setGridColumnEnd(const GridPosition& columnEndPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridColumnEnd, columnEndPosition); }
1301    void setGridRowStart(const GridPosition& rowStartPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridRowStart, rowStartPosition); }
1302    void setGridRowEnd(const GridPosition& rowEndPosition) { SET_VAR(rareNonInheritedData.access()->m_gridItem, m_gridRowEnd, rowEndPosition); }
1303
1304    void setMarqueeIncrement(const Length& f) { SET_VAR(rareNonInheritedData.access()->m_marquee, increment, f); }
1305    void setMarqueeSpeed(int f) { SET_VAR(rareNonInheritedData.access()->m_marquee, speed, f); }
1306    void setMarqueeDirection(EMarqueeDirection d) { SET_VAR(rareNonInheritedData.access()->m_marquee, direction, d); }
1307    void setMarqueeBehavior(EMarqueeBehavior b) { SET_VAR(rareNonInheritedData.access()->m_marquee, behavior, b); }
1308    void setMarqueeLoopCount(int i) { SET_VAR(rareNonInheritedData.access()->m_marquee, loops, i); }
1309    void setUserModify(EUserModify u) { SET_VAR(rareInheritedData, userModify, u); }
1310    void setUserDrag(EUserDrag d) { SET_VAR(rareNonInheritedData, userDrag, d); }
1311    void setUserSelect(EUserSelect s) { SET_VAR(rareInheritedData, userSelect, s); }
1312    void setTextOverflow(TextOverflow overflow) { SET_VAR(rareNonInheritedData, textOverflow, overflow); }
1313    void setMarginBeforeCollapse(EMarginCollapse c) { SET_VAR(rareNonInheritedData, marginBeforeCollapse, c); }
1314    void setMarginAfterCollapse(EMarginCollapse c) { SET_VAR(rareNonInheritedData, marginAfterCollapse, c); }
1315    void setWordBreak(EWordBreak b) { SET_VAR(rareInheritedData, wordBreak, b); }
1316    void setOverflowWrap(EOverflowWrap b) { SET_VAR(rareInheritedData, overflowWrap, b); }
1317    void setLineBreak(LineBreak b) { SET_VAR(rareInheritedData, lineBreak, b); }
1318    void setHighlight(const AtomicString& h) { SET_VAR(rareInheritedData, highlight, h); }
1319    void setHyphens(Hyphens h) { SET_VAR(rareInheritedData, hyphens, h); }
1320    void setHyphenationString(const AtomicString& h) { SET_VAR(rareInheritedData, hyphenationString, h); }
1321    void setLocale(const AtomicString& locale) { SET_VAR(rareInheritedData, locale, locale); }
1322    void setBorderFit(EBorderFit b) { SET_VAR(rareNonInheritedData, m_borderFit, b); }
1323    void setResize(EResize r) { SET_VAR(rareInheritedData, resize, r); }
1324    void setColumnWidth(float f) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoWidth, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_width, f); }
1325    void setHasAutoColumnWidth() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoWidth, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_width, 0); }
1326    void setColumnCount(unsigned short c) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoCount, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_count, c); }
1327    void setHasAutoColumnCount() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_autoCount, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_count, 0); }
1328    void setColumnFill(ColumnFill columnFill) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_fill, columnFill); }
1329    void setColumnGap(float f) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_normalGap, false); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_gap, f); }
1330    void setHasNormalColumnGap() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_normalGap, true); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_gap, 0); }
1331    void setColumnRuleColor(const StyleColor& c) { SET_BORDERVALUE_COLOR(rareNonInheritedData.access()->m_multiCol, m_rule, c); }
1332    void setColumnRuleStyle(EBorderStyle b) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule.m_style, b); }
1333    void setColumnRuleWidth(unsigned short w) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule.m_width, w); }
1334    void resetColumnRule() { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_rule, BorderValue()); }
1335    void setColumnSpan(ColumnSpan columnSpan) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_columnSpan, columnSpan); }
1336    void setColumnBreakBefore(EPageBreak p) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakBefore, p); }
1337    // For valid values of column-break-inside see http://www.w3.org/TR/css3-multicol/#break-before-break-after-break-inside
1338    void setColumnBreakInside(EPageBreak p) { ASSERT(p == PBAUTO || p == PBAVOID); SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakInside, p); }
1339    void setColumnBreakAfter(EPageBreak p) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_breakAfter, p); }
1340    void inheritColumnPropertiesFrom(RenderStyle* parent) { rareNonInheritedData.access()->m_multiCol = parent->rareNonInheritedData->m_multiCol; }
1341    void setHasInlineTransform(bool b) { SET_VAR(rareNonInheritedData, m_hasInlineTransform, b); }
1342    void setTransform(const TransformOperations& ops) { SET_VAR(rareNonInheritedData.access()->m_transform, m_operations, ops); }
1343    void setTransformOriginX(const Length& l) { SET_VAR(rareNonInheritedData.access()->m_transform, m_x, l); }
1344    void setTransformOriginY(const Length& l) { SET_VAR(rareNonInheritedData.access()->m_transform, m_y, l); }
1345    void setTransformOriginZ(float f) { SET_VAR(rareNonInheritedData.access()->m_transform, m_z, f); }
1346    void setSpeak(ESpeak s) { SET_VAR(rareInheritedData, speak, s); }
1347    void setTextCombine(TextCombine v) { SET_VAR(rareNonInheritedData, m_textCombine, v); }
1348    void setTextDecorationColor(const StyleColor& c) { SET_VAR(rareNonInheritedData, m_textDecorationColor, c); }
1349    void setTextEmphasisColor(const StyleColor& c) { SET_VAR_WITH_SETTER(rareInheritedData, textEmphasisColor, setTextEmphasisColor, c); }
1350    void setTextEmphasisFill(TextEmphasisFill fill) { SET_VAR(rareInheritedData, textEmphasisFill, fill); }
1351    void setTextEmphasisMark(TextEmphasisMark mark) { SET_VAR(rareInheritedData, textEmphasisMark, mark); }
1352    void setTextEmphasisCustomMark(const AtomicString& mark) { SET_VAR(rareInheritedData, textEmphasisCustomMark, mark); }
1353    void setTextEmphasisPosition(TextEmphasisPosition position) { SET_VAR(rareInheritedData, textEmphasisPosition, position); }
1354    bool setTextOrientation(TextOrientation);
1355
1356    void setObjectFit(ObjectFit f) { SET_VAR(rareNonInheritedData, m_objectFit, f); }
1357    void setObjectPosition(LengthPoint position) { SET_VAR(rareNonInheritedData, m_objectPosition, position); }
1358
1359    void setRubyPosition(RubyPosition position) { SET_VAR(rareInheritedData, m_rubyPosition, position); }
1360
1361    void setFilter(const FilterOperations& ops) { SET_VAR(rareNonInheritedData.access()->m_filter, m_operations, ops); }
1362
1363    void setTabSize(unsigned size) { SET_VAR(rareInheritedData, m_tabSize, size); }
1364
1365    // End CSS3 Setters
1366
1367    void setWrapFlow(WrapFlow wrapFlow) { SET_VAR(rareNonInheritedData, m_wrapFlow, wrapFlow); }
1368    void setWrapThrough(WrapThrough wrapThrough) { SET_VAR(rareNonInheritedData, m_wrapThrough, wrapThrough); }
1369
1370    // Apple-specific property setters
1371    void setPointerEvents(EPointerEvents p) { inherited_flags._pointerEvents = p; }
1372
1373    void clearAnimations()
1374    {
1375        rareNonInheritedData.access()->m_animations.clear();
1376    }
1377
1378    void clearTransitions()
1379    {
1380        rareNonInheritedData.access()->m_transitions.clear();
1381    }
1382
1383    void setTransformStyle3D(ETransformStyle3D b) { SET_VAR(rareNonInheritedData, m_transformStyle3D, b); }
1384    void setBackfaceVisibility(EBackfaceVisibility b) { SET_VAR(rareNonInheritedData, m_backfaceVisibility, b); }
1385    void setPerspective(float p) { SET_VAR(rareNonInheritedData, m_perspective, p); }
1386    void setPerspectiveOriginX(const Length& l) { SET_VAR(rareNonInheritedData, m_perspectiveOriginX, l); }
1387    void setPerspectiveOriginY(const Length& l) { SET_VAR(rareNonInheritedData, m_perspectiveOriginY, l); }
1388    void setPageSize(const LengthSize& s) { SET_VAR(rareNonInheritedData, m_pageSize, s); }
1389    void setPageSizeType(PageSizeType t) { SET_VAR(rareNonInheritedData, m_pageSizeType, t); }
1390    void resetPageSizeType() { SET_VAR(rareNonInheritedData, m_pageSizeType, PAGE_SIZE_AUTO); }
1391
1392    void setHasCurrentOpacityAnimation(bool b = true) { SET_VAR(rareNonInheritedData, m_hasCurrentOpacityAnimation, b); }
1393    void setHasCurrentTransformAnimation(bool b = true) { SET_VAR(rareNonInheritedData, m_hasCurrentTransformAnimation, b); }
1394    void setHasCurrentFilterAnimation(bool b = true) { SET_VAR(rareNonInheritedData, m_hasCurrentFilterAnimation, b); }
1395
1396    void setIsRunningOpacityAnimationOnCompositor(bool b = true) { SET_VAR(rareNonInheritedData, m_runningOpacityAnimationOnCompositor, b); }
1397    void setIsRunningTransformAnimationOnCompositor(bool b = true) { SET_VAR(rareNonInheritedData, m_runningTransformAnimationOnCompositor, b); }
1398    void setIsRunningFilterAnimationOnCompositor(bool b = true) { SET_VAR(rareNonInheritedData, m_runningFilterAnimationOnCompositor, b); }
1399
1400    void setLineBoxContain(LineBoxContain c) { SET_VAR(rareInheritedData, m_lineBoxContain, c); }
1401    void setLineClamp(LineClampValue c) { SET_VAR(rareNonInheritedData, lineClamp, c); }
1402    void setTapHighlightColor(const Color& c) { SET_VAR(rareInheritedData, tapHighlightColor, c); }
1403    void setTextSecurity(ETextSecurity aTextSecurity) { SET_VAR(rareInheritedData, textSecurity, aTextSecurity); }
1404    void setTouchAction(TouchAction t) { SET_VAR(rareNonInheritedData, m_touchAction, t); }
1405    void setTouchActionDelay(TouchActionDelay t) { SET_VAR(rareInheritedData, m_touchActionDelay, t); }
1406
1407    void setScrollBehavior(ScrollBehavior b) { SET_VAR(rareNonInheritedData, m_scrollBehavior, b); }
1408
1409    void setWillChangeProperties(const Vector<CSSPropertyID>& properties) { SET_VAR(rareNonInheritedData.access()->m_willChange, m_properties, properties); }
1410    void setWillChangeContents(bool b) { SET_VAR(rareNonInheritedData.access()->m_willChange, m_contents, b); }
1411    void setWillChangeScrollPosition(bool b) { SET_VAR(rareNonInheritedData.access()->m_willChange, m_scrollPosition, b); }
1412    void setSubtreeWillChangeContents(bool b) { SET_VAR(rareInheritedData, m_subtreeWillChangeContents, b); }
1413
1414    bool requiresAcceleratedCompositingForExternalReasons(bool b) { return rareNonInheritedData->m_requiresAcceleratedCompositingForExternalReasons; }
1415    void setRequiresAcceleratedCompositingForExternalReasons(bool b) { SET_VAR(rareNonInheritedData, m_requiresAcceleratedCompositingForExternalReasons, b); }
1416
1417    const SVGRenderStyle& svgStyle() const { return *m_svgStyle.get(); }
1418    SVGRenderStyle& accessSVGStyle() { return *m_svgStyle.access(); }
1419
1420    const SVGPaintType& fillPaintType() const { return svgStyle().fillPaintType(); }
1421    Color fillPaintColor() const { return svgStyle().fillPaintColor(); }
1422    float fillOpacity() const { return svgStyle().fillOpacity(); }
1423    void setFillOpacity(float f) { accessSVGStyle().setFillOpacity(f); }
1424
1425    const SVGPaintType& strokePaintType() const { return svgStyle().strokePaintType(); }
1426    Color strokePaintColor() const { return svgStyle().strokePaintColor(); }
1427    float strokeOpacity() const { return svgStyle().strokeOpacity(); }
1428    void setStrokeOpacity(float f) { accessSVGStyle().setStrokeOpacity(f); }
1429    SVGLength* strokeWidth() const { return svgStyle().strokeWidth(); }
1430    void setStrokeWidth(PassRefPtr<SVGLength> w) { accessSVGStyle().setStrokeWidth(w); }
1431    SVGLengthList* strokeDashArray() const { return svgStyle().strokeDashArray(); }
1432    void setStrokeDashArray(PassRefPtr<SVGLengthList> array) { accessSVGStyle().setStrokeDashArray(array); }
1433    SVGLength* strokeDashOffset() const { return svgStyle().strokeDashOffset(); }
1434    void setStrokeDashOffset(PassRefPtr<SVGLength> d) { accessSVGStyle().setStrokeDashOffset(d); }
1435    float strokeMiterLimit() const { return svgStyle().strokeMiterLimit(); }
1436    void setStrokeMiterLimit(float f) { accessSVGStyle().setStrokeMiterLimit(f); }
1437
1438    float floodOpacity() const { return svgStyle().floodOpacity(); }
1439    void setFloodOpacity(float f) { accessSVGStyle().setFloodOpacity(f); }
1440
1441    float stopOpacity() const { return svgStyle().stopOpacity(); }
1442    void setStopOpacity(float f) { accessSVGStyle().setStopOpacity(f); }
1443
1444    void setStopColor(const Color& c) { accessSVGStyle().setStopColor(c); }
1445    void setFloodColor(const Color& c) { accessSVGStyle().setFloodColor(c); }
1446    void setLightingColor(const Color& c) { accessSVGStyle().setLightingColor(c); }
1447
1448    SVGLength* baselineShiftValue() const { return svgStyle().baselineShiftValue(); }
1449    void setBaselineShiftValue(PassRefPtr<SVGLength> s) { accessSVGStyle().setBaselineShiftValue(s); }
1450
1451    void setShapeOutside(PassRefPtr<ShapeValue> value)
1452    {
1453        if (rareNonInheritedData->m_shapeOutside == value)
1454            return;
1455        rareNonInheritedData.access()->m_shapeOutside = value;
1456    }
1457    ShapeValue* shapeOutside() const { return rareNonInheritedData->m_shapeOutside.get(); }
1458
1459    static ShapeValue* initialShapeOutside() { return 0; }
1460
1461    void setClipPath(PassRefPtr<ClipPathOperation> operation)
1462    {
1463        if (rareNonInheritedData->m_clipPath != operation)
1464            rareNonInheritedData.access()->m_clipPath = operation;
1465    }
1466    ClipPathOperation* clipPath() const { return rareNonInheritedData->m_clipPath.get(); }
1467
1468    static ClipPathOperation* initialClipPath() { return 0; }
1469
1470    const Length& shapeMargin() const { return rareNonInheritedData->m_shapeMargin; }
1471    void setShapeMargin(const Length& shapeMargin) { SET_VAR(rareNonInheritedData, m_shapeMargin, shapeMargin); }
1472    static Length initialShapeMargin() { return Length(0, Fixed); }
1473
1474    float shapeImageThreshold() const { return rareNonInheritedData->m_shapeImageThreshold; }
1475    void setShapeImageThreshold(float shapeImageThreshold)
1476    {
1477        float clampedShapeImageThreshold = clampTo<float>(shapeImageThreshold, 0, 1);
1478        SET_VAR(rareNonInheritedData, m_shapeImageThreshold, clampedShapeImageThreshold);
1479    }
1480    static float initialShapeImageThreshold() { return 0; }
1481
1482    bool hasContent() const { return contentData(); }
1483    const ContentData* contentData() const { return rareNonInheritedData->m_content.get(); }
1484    bool contentDataEquivalent(const RenderStyle* otherStyle) const { return const_cast<RenderStyle*>(this)->rareNonInheritedData->contentDataEquivalent(*const_cast<RenderStyle*>(otherStyle)->rareNonInheritedData); }
1485    void clearContent();
1486    void setContent(const String&, bool add = false);
1487    void setContent(PassRefPtr<StyleImage>, bool add = false);
1488    void setContent(PassOwnPtr<CounterContent>, bool add = false);
1489    void setContent(QuoteType, bool add = false);
1490
1491    const CounterDirectiveMap* counterDirectives() const;
1492    CounterDirectiveMap& accessCounterDirectives();
1493    const CounterDirectives getCounterDirectives(const AtomicString& identifier) const;
1494
1495    QuotesData* quotes() const { return rareInheritedData->quotes.get(); }
1496    void setQuotes(PassRefPtr<QuotesData>);
1497
1498    const AtomicString& hyphenString() const;
1499
1500    bool inheritedNotEqual(const RenderStyle*) const;
1501    bool inheritedDataShared(const RenderStyle*) const;
1502
1503    bool isDisplayReplacedType() const { return isDisplayReplacedType(display()); }
1504    bool isDisplayInlineType() const { return isDisplayInlineType(display()); }
1505    bool isOriginalDisplayInlineType() const { return isDisplayInlineType(originalDisplay()); }
1506    bool isDisplayFlexibleOrGridBox() const { return isDisplayFlexibleBox(display()) || isDisplayGridBox(display()); }
1507
1508
1509    bool setWritingMode(WritingMode v)
1510    {
1511        if (v == writingMode())
1512            return false;
1513
1514        inherited_flags.m_writingMode = v;
1515        return true;
1516    }
1517
1518    // A unique style is one that has matches something that makes it impossible to share.
1519    bool unique() const { return noninherited_flags.unique; }
1520    void setUnique() { noninherited_flags.unique = true; }
1521
1522    bool isSharable() const;
1523
1524    bool emptyState() const { return noninherited_flags.emptyState; }
1525    void setEmptyState(bool b) { setUnique(); noninherited_flags.emptyState = b; }
1526    bool firstChildState() const { return noninherited_flags.firstChildState; }
1527    void setFirstChildState() { setUnique(); noninherited_flags.firstChildState = true; }
1528    bool lastChildState() const { return noninherited_flags.lastChildState; }
1529    void setLastChildState() { setUnique(); noninherited_flags.lastChildState = true; }
1530
1531    StyleColor visitedDependentDecorationStyleColor() const;
1532    Color visitedDependentDecorationColor() const;
1533    Color visitedDependentColor(int colorProperty) const;
1534
1535    void setHasExplicitlyInheritedProperties() { noninherited_flags.explicitInheritance = true; }
1536    bool hasExplicitlyInheritedProperties() const { return noninherited_flags.explicitInheritance; }
1537
1538    bool hasBoxDecorations() const { return hasBorder() || hasBorderRadius() || hasOutline() || hasAppearance() || boxShadow() || hasFilter(); }
1539
1540    bool borderObscuresBackground() const;
1541    void getBorderEdgeInfo(BorderEdge edges[], bool includeLogicalLeftEdge = true, bool includeLogicalRightEdge = true) const;
1542
1543    // Initial values for all the properties
1544    static EBorderCollapse initialBorderCollapse() { return BSEPARATE; }
1545    static EBorderStyle initialBorderStyle() { return BNONE; }
1546    static OutlineIsAuto initialOutlineStyleIsAuto() { return AUTO_OFF; }
1547    static NinePieceImage initialNinePieceImage() { return NinePieceImage(); }
1548    static LengthSize initialBorderRadius() { return LengthSize(Length(0, Fixed), Length(0, Fixed)); }
1549    static ECaptionSide initialCaptionSide() { return CAPTOP; }
1550    static EClear initialClear() { return CNONE; }
1551    static LengthBox initialClip() { return LengthBox(); }
1552    static TextDirection initialDirection() { return LTR; }
1553    static WritingMode initialWritingMode() { return TopToBottomWritingMode; }
1554    static TextCombine initialTextCombine() { return TextCombineNone; }
1555    static TextOrientation initialTextOrientation() { return TextOrientationVerticalRight; }
1556    static ObjectFit initialObjectFit() { return ObjectFitFill; }
1557    static LengthPoint initialObjectPosition() { return LengthPoint(Length(50.0, Percent), Length(50.0, Percent)); }
1558    static EDisplay initialDisplay() { return INLINE; }
1559    static EEmptyCell initialEmptyCells() { return SHOW; }
1560    static EFloat initialFloating() { return NoFloat; }
1561    static EListStylePosition initialListStylePosition() { return OUTSIDE; }
1562    static EListStyleType initialListStyleType() { return Disc; }
1563    static EOverflow initialOverflowX() { return OVISIBLE; }
1564    static EOverflow initialOverflowY() { return OVISIBLE; }
1565    static EPageBreak initialPageBreak() { return PBAUTO; }
1566    static EPosition initialPosition() { return StaticPosition; }
1567    static ETableLayout initialTableLayout() { return TAUTO; }
1568    static EUnicodeBidi initialUnicodeBidi() { return UBNormal; }
1569    static ETextTransform initialTextTransform() { return TTNONE; }
1570    static EVisibility initialVisibility() { return VISIBLE; }
1571    static EWhiteSpace initialWhiteSpace() { return NORMAL; }
1572    static short initialHorizontalBorderSpacing() { return 0; }
1573    static short initialVerticalBorderSpacing() { return 0; }
1574    static ECursor initialCursor() { return CURSOR_AUTO; }
1575    static Color initialColor() { return Color::black; }
1576    static StyleImage* initialListStyleImage() { return 0; }
1577    static unsigned initialBorderWidth() { return 3; }
1578    static unsigned short initialColumnRuleWidth() { return 3; }
1579    static unsigned short initialOutlineWidth() { return 3; }
1580    static float initialLetterWordSpacing() { return 0.0f; }
1581    static Length initialSize() { return Length(); }
1582    static Length initialMinSize() { return Length(Fixed); }
1583    static Length initialMaxSize() { return Length(MaxSizeNone); }
1584    static Length initialOffset() { return Length(); }
1585    static Length initialMargin() { return Length(Fixed); }
1586    static Length initialPadding() { return Length(Fixed); }
1587    static Length initialTextIndent() { return Length(Fixed); }
1588    static TextIndentLine initialTextIndentLine() { return TextIndentFirstLine; }
1589    static TextIndentType initialTextIndentType() { return TextIndentNormal; }
1590    static EVerticalAlign initialVerticalAlign() { return BASELINE; }
1591    static short initialWidows() { return 2; }
1592    static short initialOrphans() { return 2; }
1593    static Length initialLineHeight() { return Length(-100.0, Percent); }
1594    static ETextAlign initialTextAlign() { return TASTART; }
1595    static TextAlignLast initialTextAlignLast() { return TextAlignLastAuto; }
1596    static TextJustify initialTextJustify() { return TextJustifyAuto; }
1597    static TextDecoration initialTextDecoration() { return TextDecorationNone; }
1598    static TextUnderlinePosition initialTextUnderlinePosition() { return TextUnderlinePositionAuto; }
1599    static TextDecorationStyle initialTextDecorationStyle() { return TextDecorationStyleSolid; }
1600    static float initialZoom() { return 1.0f; }
1601    static int initialOutlineOffset() { return 0; }
1602    static float initialOpacity() { return 1.0f; }
1603    static EBoxAlignment initialBoxAlign() { return BSTRETCH; }
1604    static EBoxDecorationBreak initialBoxDecorationBreak() { return DSLICE; }
1605    static EBoxDirection initialBoxDirection() { return BNORMAL; }
1606    static EBoxLines initialBoxLines() { return SINGLE; }
1607    static EBoxOrient initialBoxOrient() { return HORIZONTAL; }
1608    static EBoxPack initialBoxPack() { return Start; }
1609    static float initialBoxFlex() { return 0.0f; }
1610    static unsigned initialBoxFlexGroup() { return 1; }
1611    static unsigned initialBoxOrdinalGroup() { return 1; }
1612    static EBoxSizing initialBoxSizing() { return CONTENT_BOX; }
1613    static StyleReflection* initialBoxReflect() { return 0; }
1614    static float initialFlexGrow() { return 0; }
1615    static float initialFlexShrink() { return 1; }
1616    static Length initialFlexBasis() { return Length(Auto); }
1617    static int initialOrder() { return 0; }
1618    static EAlignContent initialAlignContent() { return AlignContentStretch; }
1619    static ItemPosition initialAlignItems() { return ItemPositionAuto; }
1620    static OverflowAlignment initialAlignItemsOverflowAlignment() { return OverflowAlignmentDefault; }
1621    static ItemPosition initialAlignSelf() { return ItemPositionAuto; }
1622    static OverflowAlignment initialAlignSelfOverflowAlignment() { return OverflowAlignmentDefault; }
1623    static EFlexDirection initialFlexDirection() { return FlowRow; }
1624    static EFlexWrap initialFlexWrap() { return FlexNoWrap; }
1625    static EJustifyContent initialJustifyContent() { return JustifyFlexStart; }
1626    static ItemPosition initialJustifyItems() { return ItemPositionAuto; }
1627    static OverflowAlignment initialJustifyItemsOverflowAlignment() { return OverflowAlignmentDefault; }
1628    static ItemPositionType initialJustifyItemsPositionType() { return NonLegacyPosition; }
1629    static ItemPosition initialJustifySelf() { return ItemPositionAuto; }
1630    static OverflowAlignment initialJustifySelfOverflowAlignment() { return OverflowAlignmentDefault; }
1631    static int initialMarqueeLoopCount() { return -1; }
1632    static int initialMarqueeSpeed() { return 85; }
1633    static Length initialMarqueeIncrement() { return Length(6, Fixed); }
1634    static EMarqueeBehavior initialMarqueeBehavior() { return MSCROLL; }
1635    static EMarqueeDirection initialMarqueeDirection() { return MAUTO; }
1636    static EUserModify initialUserModify() { return READ_ONLY; }
1637    static EUserDrag initialUserDrag() { return DRAG_AUTO; }
1638    static EUserSelect initialUserSelect() { return SELECT_TEXT; }
1639    static TextOverflow initialTextOverflow() { return TextOverflowClip; }
1640    static EMarginCollapse initialMarginBeforeCollapse() { return MCOLLAPSE; }
1641    static EMarginCollapse initialMarginAfterCollapse() { return MCOLLAPSE; }
1642    static EWordBreak initialWordBreak() { return NormalWordBreak; }
1643    static EOverflowWrap initialOverflowWrap() { return NormalOverflowWrap; }
1644    static LineBreak initialLineBreak() { return LineBreakAuto; }
1645    static const AtomicString& initialHighlight() { return nullAtom; }
1646    static ESpeak initialSpeak() { return SpeakNormal; }
1647    static const AtomicString& initialHyphenationString() { return nullAtom; }
1648    static const AtomicString& initialLocale() { return nullAtom; }
1649    static EBorderFit initialBorderFit() { return BorderFitBorder; }
1650    static EResize initialResize() { return RESIZE_NONE; }
1651    static ControlPart initialAppearance() { return NoControlPart; }
1652    static bool initialHasAspectRatio() { return false; }
1653    static float initialAspectRatioDenominator() { return 1; }
1654    static float initialAspectRatioNumerator() { return 1; }
1655    static Order initialRTLOrdering() { return LogicalOrder; }
1656    static float initialTextStrokeWidth() { return 0; }
1657    static unsigned short initialColumnCount() { return 1; }
1658    static ColumnFill initialColumnFill() { return ColumnFillBalance; }
1659    static ColumnSpan initialColumnSpan() { return ColumnSpanNone; }
1660    static const TransformOperations& initialTransform() { DEFINE_STATIC_LOCAL(TransformOperations, ops, ()); return ops; }
1661    static Length initialTransformOriginX() { return Length(50.0, Percent); }
1662    static Length initialTransformOriginY() { return Length(50.0, Percent); }
1663    static EPointerEvents initialPointerEvents() { return PE_AUTO; }
1664    static float initialTransformOriginZ() { return 0; }
1665    static ETransformStyle3D initialTransformStyle3D() { return TransformStyle3DFlat; }
1666    static EBackfaceVisibility initialBackfaceVisibility() { return BackfaceVisibilityVisible; }
1667    static float initialPerspective() { return 0; }
1668    static Length initialPerspectiveOriginX() { return Length(50.0, Percent); }
1669    static Length initialPerspectiveOriginY() { return Length(50.0, Percent); }
1670    static Color initialBackgroundColor() { return Color::transparent; }
1671    static TextEmphasisFill initialTextEmphasisFill() { return TextEmphasisFillFilled; }
1672    static TextEmphasisMark initialTextEmphasisMark() { return TextEmphasisMarkNone; }
1673    static const AtomicString& initialTextEmphasisCustomMark() { return nullAtom; }
1674    static TextEmphasisPosition initialTextEmphasisPosition() { return TextEmphasisPositionOver; }
1675    static RubyPosition initialRubyPosition() { return RubyPositionBefore; }
1676    static LineBoxContain initialLineBoxContain() { return LineBoxContainBlock | LineBoxContainInline | LineBoxContainReplaced; }
1677    static ImageOrientationEnum initialImageOrientation() { return OriginTopLeft; }
1678    static EImageRendering initialImageRendering() { return ImageRenderingAuto; }
1679    static ImageResolutionSource initialImageResolutionSource() { return ImageResolutionSpecified; }
1680    static ImageResolutionSnap initialImageResolutionSnap() { return ImageResolutionNoSnap; }
1681    static float initialImageResolution() { return 1; }
1682    static StyleImage* initialBorderImageSource() { return 0; }
1683    static StyleImage* initialMaskBoxImageSource() { return 0; }
1684    static PrintColorAdjust initialPrintColorAdjust() { return PrintColorAdjustEconomy; }
1685    static TouchAction initialTouchAction() { return TouchActionAuto; }
1686    static TouchActionDelay initialTouchActionDelay() { return TouchActionDelayScript; }
1687    static ShadowList* initialBoxShadow() { return 0; }
1688    static ShadowList* initialTextShadow() { return 0; }
1689    static ScrollBehavior initialScrollBehavior() { return ScrollBehaviorInstant; }
1690
1691    // The initial value is 'none' for grid tracks.
1692    static Vector<GridTrackSize> initialGridTemplateColumns() { return Vector<GridTrackSize>(); }
1693    static Vector<GridTrackSize> initialGridTemplateRows() { return Vector<GridTrackSize>(); }
1694
1695    static GridAutoFlow initialGridAutoFlow() { return AutoFlowRow; }
1696
1697    static GridTrackSize initialGridAutoColumns() { return GridTrackSize(Length(Auto)); }
1698    static GridTrackSize initialGridAutoRows() { return GridTrackSize(Length(Auto)); }
1699
1700    static NamedGridLinesMap initialNamedGridColumnLines() { return NamedGridLinesMap(); }
1701    static NamedGridLinesMap initialNamedGridRowLines() { return NamedGridLinesMap(); }
1702
1703    static OrderedNamedGridLines initialOrderedNamedGridColumnLines() { return OrderedNamedGridLines(); }
1704    static OrderedNamedGridLines initialOrderedNamedGridRowLines() { return OrderedNamedGridLines(); }
1705
1706    static NamedGridAreaMap initialNamedGridArea() { return NamedGridAreaMap(); }
1707    static size_t initialNamedGridAreaCount() { return 0; }
1708
1709    // 'auto' is the default.
1710    static GridPosition initialGridColumnStart() { return GridPosition(); }
1711    static GridPosition initialGridColumnEnd() { return GridPosition(); }
1712    static GridPosition initialGridRowStart() { return GridPosition(); }
1713    static GridPosition initialGridRowEnd() { return GridPosition(); }
1714
1715    static unsigned initialTabSize() { return 8; }
1716
1717    static WrapFlow initialWrapFlow() { return WrapFlowAuto; }
1718    static WrapThrough initialWrapThrough() { return WrapThroughWrap; }
1719
1720    static QuotesData* initialQuotes() { return 0; }
1721
1722    // Keep these at the end.
1723    // FIXME: Why? Seems these should all be one big sorted list.
1724    static LineClampValue initialLineClamp() { return LineClampValue(); }
1725    static ETextSecurity initialTextSecurity() { return TSNONE; }
1726    static Color initialTapHighlightColor();
1727    static const FilterOperations& initialFilter() { DEFINE_STATIC_LOCAL(FilterOperations, ops, ()); return ops; }
1728    static WebBlendMode initialBlendMode() { return WebBlendModeNormal; }
1729    static EIsolation initialIsolation() { return IsolationAuto; }
1730private:
1731    void setVisitedLinkColor(const Color&);
1732    void setVisitedLinkBackgroundColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBackgroundColor, v); }
1733    void setVisitedLinkBorderLeftColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderLeftColor, v); }
1734    void setVisitedLinkBorderRightColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderRightColor, v); }
1735    void setVisitedLinkBorderBottomColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderBottomColor, v); }
1736    void setVisitedLinkBorderTopColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkBorderTopColor, v); }
1737    void setVisitedLinkOutlineColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkOutlineColor, v); }
1738    void setVisitedLinkColumnRuleColor(const StyleColor& v) { SET_VAR(rareNonInheritedData.access()->m_multiCol, m_visitedLinkColumnRuleColor, v); }
1739    void setVisitedLinkTextDecorationColor(const StyleColor& v) { SET_VAR(rareNonInheritedData, m_visitedLinkTextDecorationColor, v); }
1740    void setVisitedLinkTextEmphasisColor(const StyleColor& v) { SET_VAR_WITH_SETTER(rareInheritedData, visitedLinkTextEmphasisColor, setVisitedLinkTextEmphasisColor, v); }
1741    void setVisitedLinkTextFillColor(const StyleColor& v) { SET_VAR_WITH_SETTER(rareInheritedData, visitedLinkTextFillColor, setVisitedLinkTextFillColor, v); }
1742    void setVisitedLinkTextStrokeColor(const StyleColor& v) { SET_VAR_WITH_SETTER(rareInheritedData, visitedLinkTextStrokeColor, setVisitedLinkTextStrokeColor, v); }
1743
1744    void inheritUnicodeBidiFrom(const RenderStyle* parent) { noninherited_flags.unicodeBidi = parent->noninherited_flags.unicodeBidi; }
1745    void getShadowExtent(const ShadowList*, LayoutUnit& top, LayoutUnit& right, LayoutUnit& bottom, LayoutUnit& left) const;
1746    LayoutBoxExtent getShadowInsetExtent(const ShadowList*) const;
1747    void getShadowHorizontalExtent(const ShadowList*, LayoutUnit& left, LayoutUnit& right) const;
1748    void getShadowVerticalExtent(const ShadowList*, LayoutUnit& top, LayoutUnit& bottom) const;
1749    void getShadowInlineDirectionExtent(const ShadowList* shadow, LayoutUnit& logicalLeft, LayoutUnit& logicalRight) const
1750    {
1751        return isHorizontalWritingMode() ? getShadowHorizontalExtent(shadow, logicalLeft, logicalRight) : getShadowVerticalExtent(shadow, logicalLeft, logicalRight);
1752    }
1753    void getShadowBlockDirectionExtent(const ShadowList* shadow, LayoutUnit& logicalTop, LayoutUnit& logicalBottom) const
1754    {
1755        return isHorizontalWritingMode() ? getShadowVerticalExtent(shadow, logicalTop, logicalBottom) : getShadowHorizontalExtent(shadow, logicalTop, logicalBottom);
1756    }
1757
1758    bool isDisplayFlexibleBox(EDisplay display) const
1759    {
1760        return display == FLEX || display == INLINE_FLEX;
1761    }
1762
1763    bool isDisplayGridBox(EDisplay display) const
1764    {
1765        return display == GRID || display == INLINE_GRID;
1766    }
1767
1768    bool isDisplayReplacedType(EDisplay display) const
1769    {
1770        return display == INLINE_BLOCK || display == INLINE_BOX || display == INLINE_FLEX
1771            || display == INLINE_TABLE || display == INLINE_GRID;
1772    }
1773
1774    bool isDisplayInlineType(EDisplay display) const
1775    {
1776        return display == INLINE || isDisplayReplacedType(display);
1777    }
1778
1779    // Color accessors are all private to make sure callers use visitedDependentColor instead to access them.
1780    StyleColor borderLeftColor() const { return surround->border.left().color(); }
1781    StyleColor borderRightColor() const { return surround->border.right().color(); }
1782    StyleColor borderTopColor() const { return surround->border.top().color(); }
1783    StyleColor borderBottomColor() const { return surround->border.bottom().color(); }
1784    StyleColor backgroundColor() const { return m_background->color(); }
1785    Color color() const;
1786    StyleColor columnRuleColor() const { return rareNonInheritedData->m_multiCol->m_rule.color(); }
1787    StyleColor outlineColor() const { return m_background->outline().color(); }
1788    StyleColor textEmphasisColor() const { return rareInheritedData->textEmphasisColor(); }
1789    StyleColor textFillColor() const { return rareInheritedData->textFillColor(); }
1790    StyleColor textStrokeColor() const { return rareInheritedData->textStrokeColor(); }
1791    Color visitedLinkColor() const;
1792    StyleColor visitedLinkBackgroundColor() const { return rareNonInheritedData->m_visitedLinkBackgroundColor; }
1793    StyleColor visitedLinkBorderLeftColor() const { return rareNonInheritedData->m_visitedLinkBorderLeftColor; }
1794    StyleColor visitedLinkBorderRightColor() const { return rareNonInheritedData->m_visitedLinkBorderRightColor; }
1795    StyleColor visitedLinkBorderBottomColor() const { return rareNonInheritedData->m_visitedLinkBorderBottomColor; }
1796    StyleColor visitedLinkBorderTopColor() const { return rareNonInheritedData->m_visitedLinkBorderTopColor; }
1797    StyleColor visitedLinkOutlineColor() const { return rareNonInheritedData->m_visitedLinkOutlineColor; }
1798    StyleColor visitedLinkColumnRuleColor() const { return rareNonInheritedData->m_multiCol->m_visitedLinkColumnRuleColor; }
1799    StyleColor textDecorationColor() const { return rareNonInheritedData->m_textDecorationColor; }
1800    StyleColor visitedLinkTextDecorationColor() const { return rareNonInheritedData->m_visitedLinkTextDecorationColor; }
1801    StyleColor visitedLinkTextEmphasisColor() const { return rareInheritedData->visitedLinkTextEmphasisColor(); }
1802    StyleColor visitedLinkTextFillColor() const { return rareInheritedData->visitedLinkTextFillColor(); }
1803    StyleColor visitedLinkTextStrokeColor() const { return rareInheritedData->visitedLinkTextStrokeColor(); }
1804
1805    Color colorIncludingFallback(int colorProperty, bool visitedLink) const;
1806
1807    Color stopColor() const { return svgStyle().stopColor(); }
1808    Color floodColor() const { return svgStyle().floodColor(); }
1809    Color lightingColor() const { return svgStyle().lightingColor(); }
1810
1811    void appendContent(PassOwnPtr<ContentData>);
1812    void addAppliedTextDecoration(const AppliedTextDecoration&);
1813
1814    bool diffNeedsFullLayoutAndPaintInvalidation(const RenderStyle& other) const;
1815    bool diffNeedsFullLayout(const RenderStyle& other) const;
1816    bool diffNeedsPaintInvalidationLayer(const RenderStyle& other) const;
1817    bool diffNeedsPaintInvalidationObject(const RenderStyle& other) const;
1818    void updatePropertySpecificDifferences(const RenderStyle& other, StyleDifference&) const;
1819};
1820
1821// FIXME: Reduce/remove the dependency on zoom adjusted int values.
1822// The float or LayoutUnit versions of layout values should be used.
1823inline int adjustForAbsoluteZoom(int value, float zoomFactor)
1824{
1825    if (zoomFactor == 1)
1826        return value;
1827    // Needed because computeLengthInt truncates (rather than rounds) when scaling up.
1828    float fvalue = value;
1829    if (zoomFactor > 1) {
1830        if (value < 0)
1831            fvalue -= 0.5f;
1832        else
1833            fvalue += 0.5f;
1834    }
1835
1836    return roundForImpreciseConversion<int>(fvalue / zoomFactor);
1837}
1838
1839inline int adjustForAbsoluteZoom(int value, const RenderStyle* style)
1840{
1841    return adjustForAbsoluteZoom(value, style->effectiveZoom());
1842}
1843
1844inline float adjustFloatForAbsoluteZoom(float value, const RenderStyle& style)
1845{
1846    return value / style.effectiveZoom();
1847}
1848
1849inline double adjustDoubleForAbsoluteZoom(double value, const RenderStyle& style)
1850{
1851    return value / style.effectiveZoom();
1852}
1853
1854inline LayoutUnit adjustLayoutUnitForAbsoluteZoom(LayoutUnit value, const RenderStyle& style)
1855{
1856    return value / style.effectiveZoom();
1857}
1858
1859// Since we don't currently persist fractional scroll offsets (crbug.com/414283),
1860// we should round our return value to reflect the actual precision we have under
1861// the range of typical zoom values. This avoids surprising issues with scroll
1862// values not quite round-tripping exactly.
1863inline double adjustScrollForAbsoluteZoom(int scrollOffset, float zoomFactor)
1864{
1865    double result = scrollOffset / zoomFactor;
1866    const double kScale = 10000; // 4 decimal places of accuracy
1867    return round(result * kScale) / kScale;
1868}
1869
1870inline double adjustScrollForAbsoluteZoom(int scrollOffset, const RenderStyle& style)
1871{
1872    return adjustScrollForAbsoluteZoom(scrollOffset, style.effectiveZoom());
1873}
1874
1875inline bool RenderStyle::setZoom(float f)
1876{
1877    if (compareEqual(visual->m_zoom, f))
1878        return false;
1879    visual.access()->m_zoom = f;
1880    setEffectiveZoom(effectiveZoom() * zoom());
1881    return true;
1882}
1883
1884inline bool RenderStyle::setEffectiveZoom(float f)
1885{
1886    if (compareEqual(rareInheritedData->m_effectiveZoom, f))
1887        return false;
1888    rareInheritedData.access()->m_effectiveZoom = f;
1889    return true;
1890}
1891
1892inline bool RenderStyle::isSharable() const
1893{
1894    if (unique())
1895        return false;
1896    if (hasUniquePseudoStyle())
1897        return false;
1898    return true;
1899}
1900
1901inline bool RenderStyle::setTextOrientation(TextOrientation textOrientation)
1902{
1903    if (compareEqual(rareInheritedData->m_textOrientation, textOrientation))
1904        return false;
1905
1906    rareInheritedData.access()->m_textOrientation = textOrientation;
1907    return true;
1908}
1909
1910inline bool RenderStyle::hasAnyPublicPseudoStyles() const
1911{
1912    return PUBLIC_PSEUDOID_MASK & noninherited_flags.pseudoBits;
1913}
1914
1915inline bool RenderStyle::hasPseudoStyle(PseudoId pseudo) const
1916{
1917    ASSERT(pseudo > NOPSEUDO);
1918    ASSERT(pseudo < FIRST_INTERNAL_PSEUDOID);
1919    return (1 << (pseudo - 1)) & noninherited_flags.pseudoBits;
1920}
1921
1922inline void RenderStyle::setHasPseudoStyle(PseudoId pseudo)
1923{
1924    ASSERT(pseudo > NOPSEUDO);
1925    ASSERT(pseudo < FIRST_INTERNAL_PSEUDOID);
1926    noninherited_flags.pseudoBits |= 1 << (pseudo - 1);
1927}
1928
1929inline bool RenderStyle::hasPseudoElementStyle() const
1930{
1931    return noninherited_flags.pseudoBits & PSEUDO_ELEMENT_MASK;
1932}
1933
1934float calcBorderRadiiConstraintScaleFor(const FloatRect&, const FloatRoundedRect::Radii&);
1935
1936} // namespace blink
1937
1938#endif // RenderStyle_h
1939