Implement CSS `display: flow-root` (modern clearfix)
[WebKit-https.git] / Source / WebCore / rendering / 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 "StyleRareInheritedData.h"
24
25 #include "CursorList.h"
26 #include "DataRef.h"
27 #include "QuotesData.h"
28 #include "RenderStyle.h"
29 #include "RenderStyleConstants.h"
30 #include "ShadowData.h"
31 #include "StyleColorScheme.h"
32 #include "StyleCustomPropertyData.h"
33 #include "StyleFilterData.h"
34 #include "StyleImage.h"
35 #include <wtf/PointerComparison.h>
36
37 namespace WebCore {
38
39 struct GreaterThanOrSameSizeAsStyleRareInheritedData : public RefCounted<GreaterThanOrSameSizeAsStyleRareInheritedData> {
40     void* styleImage;
41     Color firstColor;
42     float firstFloat;
43     Color colors[9];
44     void* ownPtrs[1];
45     AtomicString atomicStrings[5];
46     void* refPtrs[3];
47     Length lengths[2];
48     float secondFloat;
49     TextUnderlineOffset offset;
50     TextDecorationThickness thickness;
51     unsigned bitfields[4];
52     short pagedMediaShorts[2];
53     unsigned unsigneds[1];
54     short hyphenationShorts[3];
55
56 #if PLATFORM(IOS_FAMILY)
57     Color compositionColor; // FIXME: this has gone.
58 #endif
59 #if ENABLE(TEXT_AUTOSIZING)
60     TextSizeAdjustment textSizeAdjust;
61 #endif
62
63 #if ENABLE(CSS_IMAGE_RESOLUTION)
64     float imageResolutionFloats;
65 #endif
66
67 #if ENABLE(TOUCH_EVENTS)
68     Color tapHighlightColor;
69 #endif
70
71 #if ENABLE(DARK_MODE_CSS)
72     StyleColorScheme colorScheme;
73 #endif
74
75     void* customPropertyDataRefs[1];
76 };
77
78 COMPILE_ASSERT(sizeof(StyleRareInheritedData) <= sizeof(GreaterThanOrSameSizeAsStyleRareInheritedData), StyleRareInheritedData_should_bit_pack);
79
80 StyleRareInheritedData::StyleRareInheritedData()
81     : listStyleImage(RenderStyle::initialListStyleImage())
82     , textStrokeWidth(RenderStyle::initialTextStrokeWidth())
83     , indent(RenderStyle::initialTextIndent())
84     , effectiveZoom(RenderStyle::initialZoom())
85     , textUnderlineOffset(RenderStyle::initialTextUnderlineOffset())
86     , textDecorationThickness(RenderStyle::initialTextDecorationThickness())
87     , customProperties(StyleCustomPropertyData::create())
88     , widows(RenderStyle::initialWidows())
89     , orphans(RenderStyle::initialOrphans())
90     , hasAutoWidows(true)
91     , hasAutoOrphans(true)
92     , textSecurity(static_cast<unsigned>(RenderStyle::initialTextSecurity()))
93     , userModify(static_cast<unsigned>(UserModify::ReadOnly))
94     , wordBreak(static_cast<unsigned>(RenderStyle::initialWordBreak()))
95     , overflowWrap(static_cast<unsigned>(RenderStyle::initialOverflowWrap()))
96     , nbspMode(static_cast<unsigned>(NBSPMode::Normal))
97     , lineBreak(static_cast<unsigned>(LineBreak::Auto))
98     , userSelect(static_cast<unsigned>(RenderStyle::initialUserSelect()))
99     , speakAs(RenderStyle::initialSpeakAs().toRaw())
100     , hyphens(static_cast<unsigned>(Hyphens::Manual))
101     , textEmphasisFill(static_cast<unsigned>(TextEmphasisFill::Filled))
102     , textEmphasisMark(static_cast<unsigned>(TextEmphasisMark::None))
103     , textEmphasisPosition(static_cast<unsigned>(RenderStyle::initialTextEmphasisPosition().toRaw()))
104     , textOrientation(static_cast<unsigned>(TextOrientation::Mixed))
105 #if ENABLE(CSS3_TEXT)
106     , textIndentLine(RenderStyle::initialTextIndentLine())
107     , textIndentType(RenderStyle::initialTextIndentType())
108 #endif
109     , lineBoxContain(RenderStyle::initialLineBoxContain())
110 #if ENABLE(CSS_IMAGE_ORIENTATION)
111     , imageOrientation(RenderStyle::initialImageOrientation())
112 #endif
113     , imageRendering(static_cast<unsigned>(RenderStyle::initialImageRendering()))
114     , lineSnap(static_cast<unsigned>(RenderStyle::initialLineSnap()))
115     , lineAlign(static_cast<unsigned>(RenderStyle::initialLineAlign()))
116 #if ENABLE(OVERFLOW_SCROLLING_TOUCH)
117     , useTouchOverflowScrolling(RenderStyle::initialUseTouchOverflowScrolling())
118 #endif
119 #if ENABLE(CSS_IMAGE_RESOLUTION)
120     , imageResolutionSource(RenderStyle::initialImageResolutionSource())
121     , imageResolutionSnap(RenderStyle::initialImageResolutionSnap())
122 #endif
123 #if ENABLE(CSS3_TEXT)
124     , textAlignLast(RenderStyle::initialTextAlignLast())
125     , textJustify(RenderStyle::initialTextJustify())
126 #endif
127     , textDecorationSkip(RenderStyle::initialTextDecorationSkip().toRaw())
128     , textUnderlinePosition(static_cast<unsigned>(RenderStyle::initialTextUnderlinePosition()))
129     , rubyPosition(static_cast<unsigned>(RenderStyle::initialRubyPosition()))
130     , textZoom(static_cast<unsigned>(RenderStyle::initialTextZoom()))
131 #if PLATFORM(IOS_FAMILY)
132     , touchCalloutEnabled(RenderStyle::initialTouchCalloutEnabled())
133 #endif
134     , hangingPunctuation(RenderStyle::initialHangingPunctuation().toRaw())
135     , paintOrder(static_cast<unsigned>(RenderStyle::initialPaintOrder()))
136     , capStyle(RenderStyle::initialCapStyle())
137     , joinStyle(RenderStyle::initialJoinStyle())
138     , hasSetStrokeWidth(false)
139     , hasSetStrokeColor(false)
140 #if ENABLE(POINTER_EVENTS)
141     , effectiveTouchActions(static_cast<unsigned>(RenderStyle::initialTouchActions()))
142 #endif
143     , strokeWidth(RenderStyle::initialStrokeWidth())
144     , strokeColor(RenderStyle::initialStrokeColor())
145     , miterLimit(RenderStyle::initialStrokeMiterLimit())
146     , hyphenationLimitBefore(-1)
147     , hyphenationLimitAfter(-1)
148     , hyphenationLimitLines(-1)
149     , appleColorFilter(StyleFilterData::create())
150     , lineGrid(RenderStyle::initialLineGrid())
151     , tabSize(RenderStyle::initialTabSize())
152 #if ENABLE(TEXT_AUTOSIZING)
153     , textSizeAdjust(RenderStyle::initialTextSizeAdjust())
154 #endif
155 #if ENABLE(CSS_IMAGE_RESOLUTION)
156     , imageResolution(RenderStyle::initialImageResolution())
157 #endif
158 #if ENABLE(TOUCH_EVENTS)
159     , tapHighlightColor(RenderStyle::initialTapHighlightColor())
160 #endif
161 #if ENABLE(DARK_MODE_CSS)
162     , colorScheme(RenderStyle::initialColorScheme())
163 #endif
164 {
165 }
166
167 inline StyleRareInheritedData::StyleRareInheritedData(const StyleRareInheritedData& o)
168     : RefCounted<StyleRareInheritedData>()
169     , listStyleImage(o.listStyleImage)
170     , textStrokeColor(o.textStrokeColor)
171     , textStrokeWidth(o.textStrokeWidth)
172     , textFillColor(o.textFillColor)
173     , textEmphasisColor(o.textEmphasisColor)
174     , visitedLinkTextStrokeColor(o.visitedLinkTextStrokeColor)
175     , visitedLinkTextFillColor(o.visitedLinkTextFillColor)
176     , visitedLinkTextEmphasisColor(o.visitedLinkTextEmphasisColor)
177     , caretColor(o.caretColor)
178     , visitedLinkCaretColor(o.visitedLinkCaretColor)
179     , textShadow(o.textShadow ? std::make_unique<ShadowData>(*o.textShadow) : nullptr)
180     , cursorData(o.cursorData)
181     , indent(o.indent)
182     , effectiveZoom(o.effectiveZoom)
183     , textUnderlineOffset(o.textUnderlineOffset)
184     , textDecorationThickness(o.textDecorationThickness)
185     , customProperties(o.customProperties)
186     , widows(o.widows)
187     , orphans(o.orphans)
188     , hasAutoWidows(o.hasAutoWidows)
189     , hasAutoOrphans(o.hasAutoOrphans)
190     , textSecurity(o.textSecurity)
191     , userModify(o.userModify)
192     , wordBreak(o.wordBreak)
193     , overflowWrap(o.overflowWrap)
194     , nbspMode(o.nbspMode)
195     , lineBreak(o.lineBreak)
196     , userSelect(o.userSelect)
197     , speakAs(o.speakAs)
198     , hyphens(o.hyphens)
199     , textEmphasisFill(o.textEmphasisFill)
200     , textEmphasisMark(o.textEmphasisMark)
201     , textEmphasisPosition(o.textEmphasisPosition)
202     , textOrientation(o.textOrientation)
203 #if ENABLE(CSS3_TEXT)
204     , textIndentLine(o.textIndentLine)
205     , textIndentType(o.textIndentType)
206 #endif
207     , lineBoxContain(o.lineBoxContain)
208 #if ENABLE(CSS_IMAGE_ORIENTATION)
209     , imageOrientation(o.imageOrientation)
210 #endif
211     , imageRendering(o.imageRendering)
212     , lineSnap(o.lineSnap)
213     , lineAlign(o.lineAlign)
214 #if ENABLE(OVERFLOW_SCROLLING_TOUCH)
215     , useTouchOverflowScrolling(o.useTouchOverflowScrolling)
216 #endif
217 #if ENABLE(CSS_IMAGE_RESOLUTION)
218     , imageResolutionSource(o.imageResolutionSource)
219     , imageResolutionSnap(o.imageResolutionSnap)
220 #endif
221 #if ENABLE(CSS3_TEXT)
222     , textAlignLast(o.textAlignLast)
223     , textJustify(o.textJustify)
224 #endif
225     , textDecorationSkip(o.textDecorationSkip)
226     , textUnderlinePosition(o.textUnderlinePosition)
227     , rubyPosition(o.rubyPosition)
228     , textZoom(o.textZoom)
229 #if PLATFORM(IOS_FAMILY)
230     , touchCalloutEnabled(o.touchCalloutEnabled)
231 #endif
232     , hangingPunctuation(o.hangingPunctuation)
233     , paintOrder(o.paintOrder)
234     , capStyle(o.capStyle)
235     , joinStyle(o.joinStyle)
236     , hasSetStrokeWidth(o.hasSetStrokeWidth)
237     , hasSetStrokeColor(o.hasSetStrokeColor)
238 #if ENABLE(POINTER_EVENTS)
239     , effectiveTouchActions(o.effectiveTouchActions)
240 #endif
241     , strokeWidth(o.strokeWidth)
242     , strokeColor(o.strokeColor)
243     , visitedLinkStrokeColor(o.visitedLinkStrokeColor)
244     , miterLimit(o.miterLimit)
245     , hyphenationString(o.hyphenationString)
246     , hyphenationLimitBefore(o.hyphenationLimitBefore)
247     , hyphenationLimitAfter(o.hyphenationLimitAfter)
248     , hyphenationLimitLines(o.hyphenationLimitLines)
249     , textEmphasisCustomMark(o.textEmphasisCustomMark)
250     , appleColorFilter(o.appleColorFilter)
251     , lineGrid(o.lineGrid)
252     , tabSize(o.tabSize)
253 #if ENABLE(TEXT_AUTOSIZING)
254     , textSizeAdjust(o.textSizeAdjust)
255 #endif
256 #if ENABLE(CSS_IMAGE_RESOLUTION)
257     , imageResolution(o.imageResolution)
258 #endif
259 #if ENABLE(TOUCH_EVENTS)
260     , tapHighlightColor(o.tapHighlightColor)
261 #endif
262 #if ENABLE(DARK_MODE_CSS)
263     , colorScheme(o.colorScheme)
264 #endif
265 {
266 }
267
268 Ref<StyleRareInheritedData> StyleRareInheritedData::copy() const
269 {
270     return adoptRef(*new StyleRareInheritedData(*this));
271 }
272
273 StyleRareInheritedData::~StyleRareInheritedData() = default;
274
275 bool StyleRareInheritedData::operator==(const StyleRareInheritedData& o) const
276 {
277     return textStrokeColor == o.textStrokeColor
278         && textStrokeWidth == o.textStrokeWidth
279         && textFillColor == o.textFillColor
280         && textEmphasisColor == o.textEmphasisColor
281         && visitedLinkTextStrokeColor == o.visitedLinkTextStrokeColor
282         && visitedLinkTextFillColor == o.visitedLinkTextFillColor
283         && visitedLinkTextEmphasisColor == o.visitedLinkTextEmphasisColor
284         && caretColor == o.caretColor
285         && visitedLinkCaretColor == o.visitedLinkCaretColor
286 #if ENABLE(TOUCH_EVENTS)
287         && tapHighlightColor == o.tapHighlightColor
288 #endif
289         && arePointingToEqualData(textShadow, o.textShadow)
290         && arePointingToEqualData(cursorData, o.cursorData)
291         && indent == o.indent
292         && effectiveZoom == o.effectiveZoom
293         && textUnderlineOffset == o.textUnderlineOffset
294         && textDecorationThickness == o.textDecorationThickness
295         && widows == o.widows
296         && orphans == o.orphans
297         && hasAutoWidows == o.hasAutoWidows
298         && hasAutoOrphans == o.hasAutoOrphans
299         && textSecurity == o.textSecurity
300         && userModify == o.userModify
301         && wordBreak == o.wordBreak
302         && overflowWrap == o.overflowWrap
303         && nbspMode == o.nbspMode
304         && lineBreak == o.lineBreak
305 #if ENABLE(OVERFLOW_SCROLLING_TOUCH)
306         && useTouchOverflowScrolling == o.useTouchOverflowScrolling
307 #endif
308 #if ENABLE(TEXT_AUTOSIZING)
309         && textSizeAdjust == o.textSizeAdjust
310 #endif
311 #if ENABLE(DARK_MODE_CSS)
312         && colorScheme == o.colorScheme
313 #endif
314         && userSelect == o.userSelect
315         && speakAs == o.speakAs
316         && hyphens == o.hyphens
317         && hyphenationLimitBefore == o.hyphenationLimitBefore
318         && hyphenationLimitAfter == o.hyphenationLimitAfter
319         && hyphenationLimitLines == o.hyphenationLimitLines
320         && textEmphasisFill == o.textEmphasisFill
321         && textEmphasisMark == o.textEmphasisMark
322         && textEmphasisPosition == o.textEmphasisPosition
323         && textOrientation == o.textOrientation
324 #if ENABLE(CSS3_TEXT)
325         && textIndentLine == o.textIndentLine
326         && textIndentType == o.textIndentType
327 #endif
328         && lineBoxContain == o.lineBoxContain
329 #if PLATFORM(IOS_FAMILY)
330         && touchCalloutEnabled == o.touchCalloutEnabled
331 #endif
332         && hyphenationString == o.hyphenationString
333         && textEmphasisCustomMark == o.textEmphasisCustomMark
334         && arePointingToEqualData(quotes, o.quotes)
335         && appleColorFilter == o.appleColorFilter
336         && tabSize == o.tabSize
337         && lineGrid == o.lineGrid
338 #if ENABLE(CSS_IMAGE_ORIENTATION)
339         && imageOrientation == o.imageOrientation
340 #endif
341         && imageRendering == o.imageRendering
342 #if ENABLE(CSS_IMAGE_RESOLUTION)
343         && imageResolutionSource == o.imageResolutionSource
344         && imageResolutionSnap == o.imageResolutionSnap
345         && imageResolution == o.imageResolution
346 #endif
347 #if ENABLE(CSS3_TEXT)
348         && textAlignLast == o.textAlignLast
349         && textJustify == o.textJustify
350 #endif // CSS3_TEXT
351         && textDecorationSkip == o.textDecorationSkip
352         && textUnderlinePosition == o.textUnderlinePosition
353         && rubyPosition == o.rubyPosition
354         && textZoom == o.textZoom
355         && lineSnap == o.lineSnap
356         && lineAlign == o.lineAlign
357         && hangingPunctuation == o.hangingPunctuation
358         && paintOrder == o.paintOrder
359         && capStyle == o.capStyle
360         && joinStyle == o.joinStyle
361         && hasSetStrokeWidth == o.hasSetStrokeWidth
362         && hasSetStrokeColor == o.hasSetStrokeColor
363 #if ENABLE(POINTER_EVENTS)
364         && effectiveTouchActions == o.effectiveTouchActions
365 #endif
366         && strokeWidth == o.strokeWidth
367         && strokeColor == o.strokeColor
368         && visitedLinkStrokeColor == o.visitedLinkStrokeColor
369         && miterLimit == o.miterLimit
370         && customProperties == o.customProperties
371         && arePointingToEqualData(listStyleImage, o.listStyleImage);
372 }
373
374 bool StyleRareInheritedData::hasColorFilters() const
375 {
376     return !appleColorFilter->operations.isEmpty();
377 }
378
379 } // namespace WebCore