src/third_party/WebKit/Source/core/rendering/style/StyleRareNonInheritedData.cpp

   1 /*
   2  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
   3  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public License
  16  * along with this library; see the file COPYING.LIB.  If not, write to
  17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  *
  20  */
  21
  22 #include "config.h"
  23 #include "core/rendering/style/StyleRareNonInheritedData.h"
  24
  25 #include "core/rendering/style/ContentData.h"
  26 #include "core/rendering/style/DataEquivalency.h"
  27 #include "core/rendering/style/RenderStyle.h"
  28 #include "core/rendering/style/ShadowList.h"
  29 #include "core/rendering/style/StyleFilterData.h"
  30 #include "core/rendering/style/StyleTransformData.h"
  31 #include "core/rendering/svg/ReferenceFilterBuilder.h"
  32
  33 namespace WebCore {
  34
  35 StyleRareNonInheritedData::StyleRareNonInheritedData()
  36     : opacity(RenderStyle::initialOpacity())
  37     , m_aspectRatioDenominator(RenderStyle::initialAspectRatioDenominator())
  38     , m_aspectRatioNumerator(RenderStyle::initialAspectRatioNumerator())
  39     , m_perspective(RenderStyle::initialPerspective())
  40     , m_perspectiveOriginX(RenderStyle::initialPerspectiveOriginX())
  41     , m_perspectiveOriginY(RenderStyle::initialPerspectiveOriginY())
  42     , lineClamp(RenderStyle::initialLineClamp())
  43     , m_draggableRegionMode(DraggableRegionNone)
  44     , m_mask(MaskFillLayer, true)
  45     , m_pageSize()
  46     , m_shapeOutside(RenderStyle::initialShapeOutside())
  47     , m_shapeMargin(RenderStyle::initialShapeMargin())
  48     , m_shapeImageThreshold(RenderStyle::initialShapeImageThreshold())
  49     , m_clipPath(RenderStyle::initialClipPath())
  50     , m_textDecorationColor(StyleColor::currentColor())
  51     , m_visitedLinkTextDecorationColor(StyleColor::currentColor())
  52     , m_visitedLinkBackgroundColor(RenderStyle::initialBackgroundColor())
  53     , m_visitedLinkOutlineColor(StyleColor::currentColor())
  54     , m_visitedLinkBorderLeftColor(StyleColor::currentColor())
  55     , m_visitedLinkBorderRightColor(StyleColor::currentColor())
  56     , m_visitedLinkBorderTopColor(StyleColor::currentColor())
  57     , m_visitedLinkBorderBottomColor(StyleColor::currentColor())
  58     , m_order(RenderStyle::initialOrder())
  59     , m_objectPosition(RenderStyle::initialObjectPosition())
  60     , m_pageSizeType(PAGE_SIZE_AUTO)
  61     , m_transformStyle3D(RenderStyle::initialTransformStyle3D())
  62     , m_backfaceVisibility(RenderStyle::initialBackfaceVisibility())
  63     , m_alignContent(RenderStyle::initialAlignContent())
  64     , m_alignItems(RenderStyle::initialAlignItems())
  65     , m_alignItemsOverflowAlignment(RenderStyle::initialAlignItemsOverflowAlignment())
  66     , m_alignSelf(RenderStyle::initialAlignSelf())
  67     , m_alignSelfOverflowAlignment(RenderStyle::initialAlignSelfOverflowAlignment())
  68     , m_justifyContent(RenderStyle::initialJustifyContent())
  69     , userDrag(RenderStyle::initialUserDrag())
  70     , textOverflow(RenderStyle::initialTextOverflow())
  71     , marginBeforeCollapse(MCOLLAPSE)
  72     , marginAfterCollapse(MCOLLAPSE)
  73     , m_appearance(RenderStyle::initialAppearance())
  74     , m_borderFit(RenderStyle::initialBorderFit())
  75     , m_textCombine(RenderStyle::initialTextCombine())
  76     , m_textDecorationStyle(RenderStyle::initialTextDecorationStyle())
  77     , m_wrapFlow(RenderStyle::initialWrapFlow())
  78     , m_wrapThrough(RenderStyle::initialWrapThrough())
  79     , m_hasCurrentOpacityAnimation(false)
  80     , m_hasCurrentTransformAnimation(false)
  81     , m_hasCurrentFilterAnimation(false)
  82     , m_runningOpacityAnimationOnCompositor(false)
  83     , m_runningTransformAnimationOnCompositor(false)
  84     , m_runningFilterAnimationOnCompositor(false)
  85     , m_hasAspectRatio(false)
  86     , m_effectiveBlendMode(RenderStyle::initialBlendMode())
  87     , m_touchAction(RenderStyle::initialTouchAction())
  88     , m_objectFit(RenderStyle::initialObjectFit())
  89     , m_isolation(RenderStyle::initialIsolation())
  90     , m_justifySelf(RenderStyle::initialJustifySelf())
  91     , m_justifySelfOverflowAlignment(RenderStyle::initialJustifySelfOverflowAlignment())
  92     , m_scrollBehavior(RenderStyle::initialScrollBehavior())
  93 {
  94     m_maskBoxImage.setMaskDefaults();
  95 }
  96
  97 StyleRareNonInheritedData::StyleRareNonInheritedData(const StyleRareNonInheritedData& o)
  98     : RefCounted<StyleRareNonInheritedData>()
  99     , opacity(o.opacity)
 100     , m_aspectRatioDenominator(o.m_aspectRatioDenominator)
 101     , m_aspectRatioNumerator(o.m_aspectRatioNumerator)
 102     , m_perspective(o.m_perspective)
 103     , m_perspectiveOriginX(o.m_perspectiveOriginX)
 104     , m_perspectiveOriginY(o.m_perspectiveOriginY)
 105     , lineClamp(o.lineClamp)
 106     , m_draggableRegionMode(o.m_draggableRegionMode)
 107     , m_deprecatedFlexibleBox(o.m_deprecatedFlexibleBox)
 108     , m_flexibleBox(o.m_flexibleBox)
 109     , m_marquee(o.m_marquee)
 110     , m_multiCol(o.m_multiCol)
 111     , m_transform(o.m_transform)
 112     , m_willChange(o.m_willChange)
 113     , m_filter(o.m_filter)
 114     , m_grid(o.m_grid)
 115     , m_gridItem(o.m_gridItem)
 116     , m_content(o.m_content ? o.m_content->clone() : nullptr)
 117     , m_counterDirectives(o.m_counterDirectives ? clone(*o.m_counterDirectives) : nullptr)
 118     , m_boxShadow(o.m_boxShadow)
 119     , m_boxReflect(o.m_boxReflect)
 120     , m_animations(o.m_animations ? adoptPtrWillBeNoop(new CSSAnimationDataList(*o.m_animations)) : nullptr)
 121     , m_transitions(o.m_transitions ? adoptPtrWillBeNoop(new CSSAnimationDataList(*o.m_transitions)) : nullptr)
 122     , m_mask(o.m_mask)
 123     , m_maskBoxImage(o.m_maskBoxImage)
 124     , m_pageSize(o.m_pageSize)
 125     , m_shapeOutside(o.m_shapeOutside)
 126     , m_shapeMargin(o.m_shapeMargin)
 127     , m_shapeImageThreshold(o.m_shapeImageThreshold)
 128     , m_clipPath(o.m_clipPath)
 129     , m_textDecorationColor(o.m_textDecorationColor)
 130     , m_visitedLinkTextDecorationColor(o.m_visitedLinkTextDecorationColor)
 131     , m_visitedLinkBackgroundColor(o.m_visitedLinkBackgroundColor)
 132     , m_visitedLinkOutlineColor(o.m_visitedLinkOutlineColor)
 133     , m_visitedLinkBorderLeftColor(o.m_visitedLinkBorderLeftColor)
 134     , m_visitedLinkBorderRightColor(o.m_visitedLinkBorderRightColor)
 135     , m_visitedLinkBorderTopColor(o.m_visitedLinkBorderTopColor)
 136     , m_visitedLinkBorderBottomColor(o.m_visitedLinkBorderBottomColor)
 137     , m_order(o.m_order)
 138     , m_objectPosition(o.m_objectPosition)
 139     , m_pageSizeType(o.m_pageSizeType)
 140     , m_transformStyle3D(o.m_transformStyle3D)
 141     , m_backfaceVisibility(o.m_backfaceVisibility)
 142     , m_alignContent(o.m_alignContent)
 143     , m_alignItems(o.m_alignItems)
 144     , m_alignItemsOverflowAlignment(o.m_alignItemsOverflowAlignment)
 145     , m_alignSelf(o.m_alignSelf)
 146     , m_alignSelfOverflowAlignment(o.m_alignSelfOverflowAlignment)
 147     , m_justifyContent(o.m_justifyContent)
 148     , userDrag(o.userDrag)
 149     , textOverflow(o.textOverflow)
 150     , marginBeforeCollapse(o.marginBeforeCollapse)
 151     , marginAfterCollapse(o.marginAfterCollapse)
 152     , m_appearance(o.m_appearance)
 153     , m_borderFit(o.m_borderFit)
 154     , m_textCombine(o.m_textCombine)
 155     , m_textDecorationStyle(o.m_textDecorationStyle)
 156     , m_wrapFlow(o.m_wrapFlow)
 157     , m_wrapThrough(o.m_wrapThrough)
 158     , m_hasCurrentOpacityAnimation(o.m_hasCurrentOpacityAnimation)
 159     , m_hasCurrentTransformAnimation(o.m_hasCurrentTransformAnimation)
 160     , m_hasCurrentFilterAnimation(o.m_hasCurrentFilterAnimation)
 161     , m_runningOpacityAnimationOnCompositor(o.m_runningOpacityAnimationOnCompositor)
 162     , m_runningTransformAnimationOnCompositor(o.m_runningTransformAnimationOnCompositor)
 163     , m_runningFilterAnimationOnCompositor(o.m_runningFilterAnimationOnCompositor)
 164     , m_hasAspectRatio(o.m_hasAspectRatio)
 165     , m_effectiveBlendMode(o.m_effectiveBlendMode)
 166     , m_touchAction(o.m_touchAction)
 167     , m_objectFit(o.m_objectFit)
 168     , m_isolation(o.m_isolation)
 169     , m_justifySelf(o.m_justifySelf)
 170     , m_justifySelfOverflowAlignment(o.m_justifySelfOverflowAlignment)
 171     , m_scrollBehavior(o.m_scrollBehavior)
 172 {
 173 }
 174
 175 StyleRareNonInheritedData::~StyleRareNonInheritedData()
 176 {
 177     const FilterOperations& filterOperations = m_filter->m_operations;
 178     for (unsigned i = 0; i < filterOperations.size(); ++i)
 179         ReferenceFilterBuilder::clearDocumentResourceReference(filterOperations.at(i));
 180 }
 181
 182 bool StyleRareNonInheritedData::operator==(const StyleRareNonInheritedData& o) const
 183 {
 184     return opacity == o.opacity
 185         && m_aspectRatioDenominator == o.m_aspectRatioDenominator
 186         && m_aspectRatioNumerator == o.m_aspectRatioNumerator
 187         && m_perspective == o.m_perspective
 188         && m_perspectiveOriginX == o.m_perspectiveOriginX
 189         && m_perspectiveOriginY == o.m_perspectiveOriginY
 190         && lineClamp == o.lineClamp
 191         && m_draggableRegionMode == o.m_draggableRegionMode
 192         && m_deprecatedFlexibleBox == o.m_deprecatedFlexibleBox
 193         && m_flexibleBox == o.m_flexibleBox
 194         && m_marquee == o.m_marquee
 195         && m_multiCol == o.m_multiCol
 196         && m_transform == o.m_transform
 197         && m_willChange == o.m_willChange
 198         && m_filter == o.m_filter
 199         && m_grid == o.m_grid
 200         && m_gridItem == o.m_gridItem
 201         && contentDataEquivalent(o)
 202         && counterDataEquivalent(o)
 203         && shadowDataEquivalent(o)
 204         && reflectionDataEquivalent(o)
 205         && animationDataEquivalent(o)
 206         && transitionDataEquivalent(o)
 207         && m_mask == o.m_mask
 208         && m_maskBoxImage == o.m_maskBoxImage
 209         && m_pageSize == o.m_pageSize
 210         && m_shapeOutside == o.m_shapeOutside
 211         && m_shapeMargin == o.m_shapeMargin
 212         && m_shapeImageThreshold == o.m_shapeImageThreshold
 213         && m_clipPath == o.m_clipPath
 214         && m_textDecorationColor == o.m_textDecorationColor
 215         && m_visitedLinkTextDecorationColor == o.m_visitedLinkTextDecorationColor
 216         && m_visitedLinkBackgroundColor == o.m_visitedLinkBackgroundColor
 217         && m_visitedLinkOutlineColor == o.m_visitedLinkOutlineColor
 218         && m_visitedLinkBorderLeftColor == o.m_visitedLinkBorderLeftColor
 219         && m_visitedLinkBorderRightColor == o.m_visitedLinkBorderRightColor
 220         && m_visitedLinkBorderTopColor == o.m_visitedLinkBorderTopColor
 221         && m_visitedLinkBorderBottomColor == o.m_visitedLinkBorderBottomColor
 222         && m_order == o.m_order
 223         && m_objectPosition == o.m_objectPosition
 224         && m_callbackSelectors == o.m_callbackSelectors
 225         && m_pageSizeType == o.m_pageSizeType
 226         && m_transformStyle3D == o.m_transformStyle3D
 227         && m_backfaceVisibility == o.m_backfaceVisibility
 228         && m_alignContent == o.m_alignContent
 229         && m_alignItems == o.m_alignItems
 230         && m_alignItemsOverflowAlignment == o.m_alignItemsOverflowAlignment
 231         && m_alignSelf == o.m_alignSelf
 232         && m_alignSelfOverflowAlignment == o.m_alignSelfOverflowAlignment
 233         && m_justifyContent == o.m_justifyContent
 234         && userDrag == o.userDrag
 235         && textOverflow == o.textOverflow
 236         && marginBeforeCollapse == o.marginBeforeCollapse
 237         && marginAfterCollapse == o.marginAfterCollapse
 238         && m_appearance == o.m_appearance
 239         && m_borderFit == o.m_borderFit
 240         && m_textCombine == o.m_textCombine
 241         && m_textDecorationStyle == o.m_textDecorationStyle
 242         && m_wrapFlow == o.m_wrapFlow
 243         && m_wrapThrough == o.m_wrapThrough
 244         && m_hasCurrentOpacityAnimation == o.m_hasCurrentOpacityAnimation
 245         && m_hasCurrentTransformAnimation == o.m_hasCurrentTransformAnimation
 246         && m_hasCurrentFilterAnimation == o.m_hasCurrentFilterAnimation
 247         && m_effectiveBlendMode == o.m_effectiveBlendMode
 248         && m_hasAspectRatio == o.m_hasAspectRatio
 249         && m_touchAction == o.m_touchAction
 250         && m_objectFit == o.m_objectFit
 251         && m_isolation == o.m_isolation
 252         && m_justifySelf == o.m_justifySelf
 253         && m_justifySelfOverflowAlignment == o.m_justifySelfOverflowAlignment
 254         && m_scrollBehavior == o.m_scrollBehavior;
 255 }
 256
 257 bool StyleRareNonInheritedData::contentDataEquivalent(const StyleRareNonInheritedData& o) const
 258 {
 259     ContentData* a = m_content.get();
 260     ContentData* b = o.m_content.get();
 261
 262     while (a && b && *a == *b) {
 263         a = a->next();
 264         b = b->next();
 265     }
 266
 267     return !a && !b;
 268 }
 269
 270 bool StyleRareNonInheritedData::counterDataEquivalent(const StyleRareNonInheritedData& o) const
 271 {
 272     return dataEquivalent(m_counterDirectives, o.m_counterDirectives);
 273 }
 274
 275 bool StyleRareNonInheritedData::shadowDataEquivalent(const StyleRareNonInheritedData& o) const
 276 {
 277     return dataEquivalent(m_boxShadow, o.m_boxShadow);
 278 }
 279
 280 bool StyleRareNonInheritedData::reflectionDataEquivalent(const StyleRareNonInheritedData& o) const
 281 {
 282     return dataEquivalent(m_boxReflect, o.m_boxReflect);
 283 }
 284
 285 bool StyleRareNonInheritedData::animationDataEquivalent(const StyleRareNonInheritedData& o) const
 286 {
 287     return dataEquivalent(m_animations, o.m_animations);
 288 }
 289
 290 bool StyleRareNonInheritedData::transitionDataEquivalent(const StyleRareNonInheritedData& o) const
 291 {
 292     return dataEquivalent(m_transitions, o.m_transitions);
 293 }
 294
 295 bool StyleRareNonInheritedData::hasFilters() const
 296 {
 297     return m_filter.get() && !m_filter->m_operations.isEmpty();
 298 }
 299
 300 } // namespace WebCore