third_party/WebKit/Source/core/style/StyleRareInheritedData.cpp

   1 /*
   2  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
   3  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 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/style/StyleRareInheritedData.h"
  24
  25 #include "core/style/AppliedTextDecoration.h"
  26 #include "core/style/CursorData.h"
  27 #include "core/style/DataEquivalency.h"
  28 #include "core/style/ComputedStyle.h"
  29 #include "core/style/ComputedStyleConstants.h"
  30 #include "core/style/QuotesData.h"
  31 #include "core/style/ShadowList.h"
  32 #include "core/style/StyleImage.h"
  33
  34 namespace blink {
  35
  36 struct SameSizeAsStyleRareInheritedData : public RefCounted<SameSizeAsStyleRareInheritedData> {
  37     void* styleImage;
  38     Color firstColor;
  39     float firstFloat;
  40     Color colors[5];
  41     void* ownPtrs[1];
  42     AtomicString atomicStrings[4];
  43 #if ENABLE(OILPAN)
  44     void* refPtrs[1];
  45     Persistent<void*> persistentHandles[2];
  46 #else
  47     void* refPtrs[3];
  48 #endif
  49     Length lengths[1];
  50     float secondFloat;
  51     unsigned m_bitfields[2];
  52     short pagedMediaShorts[2];
  53     short hyphenationShorts[3];
  54
  55     Color touchColors;
  56     TabSize tabSize;
  57 };
  58
  59 static_assert(sizeof(StyleRareInheritedData) <= sizeof(SameSizeAsStyleRareInheritedData), "StyleRareInheritedData should stay small");
  60
  61 StyleRareInheritedData::StyleRareInheritedData()
  62     : listStyleImage(ComputedStyle::initialListStyleImage())
  63     , textStrokeWidth(ComputedStyle::initialTextStrokeWidth())
  64     , indent(ComputedStyle::initialTextIndent())
  65     , m_effectiveZoom(ComputedStyle::initialZoom())
  66     , widows(ComputedStyle::initialWidows())
  67     , orphans(ComputedStyle::initialOrphans())
  68     , m_hasAutoOrphans(true)
  69     , m_textStrokeColorIsCurrentColor(true)
  70     , m_textFillColorIsCurrentColor(true)
  71     , m_textEmphasisColorIsCurrentColor(true)
  72     , m_visitedLinkTextStrokeColorIsCurrentColor(true)
  73     , m_visitedLinkTextFillColorIsCurrentColor(true)
  74     , m_visitedLinkTextEmphasisColorIsCurrentColor(true)
  75     , textSecurity(ComputedStyle::initialTextSecurity())
  76     , userModify(READ_ONLY)
  77     , wordBreak(ComputedStyle::initialWordBreak())
  78     , overflowWrap(ComputedStyle::initialOverflowWrap())
  79     , lineBreak(LineBreakAuto)
  80     , userSelect(ComputedStyle::initialUserSelect())
  81     , speak(SpeakNormal)
  82     , hyphens(HyphensManual)
  83     , textEmphasisFill(TextEmphasisFillFilled)
  84     , textEmphasisMark(TextEmphasisMarkNone)
  85     , textEmphasisPosition(TextEmphasisPositionOver)
  86     , m_textAlignLast(ComputedStyle::initialTextAlignLast())
  87     , m_textJustify(ComputedStyle::initialTextJustify())
  88     , m_textOrientation(TextOrientationVerticalRight)
  89     , m_textCombine(ComputedStyle::initialTextCombine())
  90     , m_textIndentLine(ComputedStyle::initialTextIndentLine())
  91     , m_textIndentType(ComputedStyle::initialTextIndentLine())
  92     , m_imageRendering(ComputedStyle::initialImageRendering())
  93     , m_textUnderlinePosition(ComputedStyle::initialTextUnderlinePosition())
  94     , m_rubyPosition(ComputedStyle::initialRubyPosition())
  95     , m_subtreeWillChangeContents(false)
  96     , m_selfOrAncestorHasDirAutoAttribute(false)
  97     , m_respectImageOrientation(false)
  98     , hyphenationLimitBefore(-1)
  99     , hyphenationLimitAfter(-1)
 100     , hyphenationLimitLines(-1)
 101     , tapHighlightColor(ComputedStyle::initialTapHighlightColor())
 102     , m_tabSize(ComputedStyle::initialTabSize())
 103 {
 104 }
 105
 106 StyleRareInheritedData::StyleRareInheritedData(const StyleRareInheritedData& o)
 107     : RefCounted<StyleRareInheritedData>()
 108     , listStyleImage(o.listStyleImage)
 109     , m_textStrokeColor(o.m_textStrokeColor)
 110     , textStrokeWidth(o.textStrokeWidth)
 111     , m_textFillColor(o.m_textFillColor)
 112     , m_textEmphasisColor(o.m_textEmphasisColor)
 113     , m_visitedLinkTextStrokeColor(o.m_visitedLinkTextStrokeColor)
 114     , m_visitedLinkTextFillColor(o.m_visitedLinkTextFillColor)
 115     , m_visitedLinkTextEmphasisColor(o.m_visitedLinkTextEmphasisColor)
 116     , textShadow(o.textShadow)
 117     , highlight(o.highlight)
 118     , cursorData(o.cursorData)
 119     , indent(o.indent)
 120     , m_effectiveZoom(o.m_effectiveZoom)
 121     , widows(o.widows)
 122     , orphans(o.orphans)
 123     , m_hasAutoOrphans(o.m_hasAutoOrphans)
 124     , m_textStrokeColorIsCurrentColor(o.m_textStrokeColorIsCurrentColor)
 125     , m_textFillColorIsCurrentColor(o.m_textFillColorIsCurrentColor)
 126     , m_textEmphasisColorIsCurrentColor(o.m_textEmphasisColorIsCurrentColor)
 127     , m_visitedLinkTextStrokeColorIsCurrentColor(o.m_visitedLinkTextStrokeColorIsCurrentColor)
 128     , m_visitedLinkTextFillColorIsCurrentColor(o.m_visitedLinkTextFillColorIsCurrentColor)
 129     , m_visitedLinkTextEmphasisColorIsCurrentColor(o.m_visitedLinkTextEmphasisColorIsCurrentColor)
 130     , textSecurity(o.textSecurity)
 131     , userModify(o.userModify)
 132     , wordBreak(o.wordBreak)
 133     , overflowWrap(o.overflowWrap)
 134     , lineBreak(o.lineBreak)
 135     , userSelect(o.userSelect)
 136     , speak(o.speak)
 137     , hyphens(o.hyphens)
 138     , textEmphasisFill(o.textEmphasisFill)
 139     , textEmphasisMark(o.textEmphasisMark)
 140     , textEmphasisPosition(o.textEmphasisPosition)
 141     , m_textAlignLast(o.m_textAlignLast)
 142     , m_textJustify(o.m_textJustify)
 143     , m_textOrientation(o.m_textOrientation)
 144     , m_textCombine(o.m_textCombine)
 145     , m_textIndentLine(o.m_textIndentLine)
 146     , m_textIndentType(o.m_textIndentType)
 147     , m_imageRendering(o.m_imageRendering)
 148     , m_textUnderlinePosition(o.m_textUnderlinePosition)
 149     , m_rubyPosition(o.m_rubyPosition)
 150     , m_subtreeWillChangeContents(o.m_subtreeWillChangeContents)
 151     , m_selfOrAncestorHasDirAutoAttribute(o.m_selfOrAncestorHasDirAutoAttribute)
 152     , m_respectImageOrientation(o.m_respectImageOrientation)
 153     , hyphenationString(o.hyphenationString)
 154     , hyphenationLimitBefore(o.hyphenationLimitBefore)
 155     , hyphenationLimitAfter(o.hyphenationLimitAfter)
 156     , hyphenationLimitLines(o.hyphenationLimitLines)
 157     , locale(o.locale)
 158     , textEmphasisCustomMark(o.textEmphasisCustomMark)
 159     , tapHighlightColor(o.tapHighlightColor)
 160     , appliedTextDecorations(o.appliedTextDecorations)
 161     , m_tabSize(o.m_tabSize)
 162 {
 163 }
 164
 165 StyleRareInheritedData::~StyleRareInheritedData()
 166 {
 167 }
 168
 169 bool StyleRareInheritedData::operator==(const StyleRareInheritedData& o) const
 170 {
 171     return m_textStrokeColor == o.m_textStrokeColor
 172         && textStrokeWidth == o.textStrokeWidth
 173         && m_textFillColor == o.m_textFillColor
 174         && m_textEmphasisColor == o.m_textEmphasisColor
 175         && m_visitedLinkTextStrokeColor == o.m_visitedLinkTextStrokeColor
 176         && m_visitedLinkTextFillColor == o.m_visitedLinkTextFillColor
 177         && m_visitedLinkTextEmphasisColor == o.m_visitedLinkTextEmphasisColor
 178         && tapHighlightColor == o.tapHighlightColor
 179         && shadowDataEquivalent(o)
 180         && highlight == o.highlight
 181         && dataEquivalent(cursorData.get(), o.cursorData.get())
 182         && indent == o.indent
 183         && m_effectiveZoom == o.m_effectiveZoom
 184         && widows == o.widows
 185         && orphans == o.orphans
 186         && m_hasAutoOrphans == o.m_hasAutoOrphans
 187         && m_textStrokeColorIsCurrentColor == o.m_textStrokeColorIsCurrentColor
 188         && m_textFillColorIsCurrentColor == o.m_textFillColorIsCurrentColor
 189         && m_textEmphasisColorIsCurrentColor == o.m_textEmphasisColorIsCurrentColor
 190         && m_visitedLinkTextStrokeColorIsCurrentColor == o.m_visitedLinkTextStrokeColorIsCurrentColor
 191         && m_visitedLinkTextFillColorIsCurrentColor == o.m_visitedLinkTextFillColorIsCurrentColor
 192         && m_visitedLinkTextEmphasisColorIsCurrentColor == o.m_visitedLinkTextEmphasisColorIsCurrentColor
 193         && textSecurity == o.textSecurity
 194         && userModify == o.userModify
 195         && wordBreak == o.wordBreak
 196         && overflowWrap == o.overflowWrap
 197         && lineBreak == o.lineBreak
 198         && userSelect == o.userSelect
 199         && speak == o.speak
 200         && hyphens == o.hyphens
 201         && hyphenationLimitBefore == o.hyphenationLimitBefore
 202         && hyphenationLimitAfter == o.hyphenationLimitAfter
 203         && hyphenationLimitLines == o.hyphenationLimitLines
 204         && textEmphasisFill == o.textEmphasisFill
 205         && textEmphasisMark == o.textEmphasisMark
 206         && textEmphasisPosition == o.textEmphasisPosition
 207         && m_textAlignLast == o.m_textAlignLast
 208         && m_textJustify == o.m_textJustify
 209         && m_textOrientation == o.m_textOrientation
 210         && m_textCombine == o.m_textCombine
 211         && m_textIndentLine == o.m_textIndentLine
 212         && m_textIndentType == o.m_textIndentType
 213         && m_subtreeWillChangeContents == o.m_subtreeWillChangeContents
 214         && m_selfOrAncestorHasDirAutoAttribute == o.m_selfOrAncestorHasDirAutoAttribute
 215         && m_respectImageOrientation == o.m_respectImageOrientation
 216         && hyphenationString == o.hyphenationString
 217         && locale == o.locale
 218         && textEmphasisCustomMark == o.textEmphasisCustomMark
 219         && quotesDataEquivalent(o)
 220         && m_tabSize == o.m_tabSize
 221         && m_imageRendering == o.m_imageRendering
 222         && m_textUnderlinePosition == o.m_textUnderlinePosition
 223         && m_rubyPosition == o.m_rubyPosition
 224         && dataEquivalent(listStyleImage.get(), o.listStyleImage.get())
 225         && dataEquivalent(appliedTextDecorations, o.appliedTextDecorations);
 226 }
 227
 228 bool StyleRareInheritedData::shadowDataEquivalent(const StyleRareInheritedData& o) const
 229 {
 230     return dataEquivalent(textShadow.get(), o.textShadow.get());
 231 }
 232
 233 bool StyleRareInheritedData::quotesDataEquivalent(const StyleRareInheritedData& o) const
 234 {
 235     return dataEquivalent(quotes, o.quotes);
 236 }
 237
 238 } // namespace blink