| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * Copyright (C) 2014-2022 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include "BasicShapeFunctions.h" |
| #include "CSSCalcValue.h" |
| #include "CSSContentDistributionValue.h" |
| #include "CSSFontFeatureValue.h" |
| #include "CSSFontStyleValue.h" |
| #include "CSSFontVariationValue.h" |
| #include "CSSFunctionValue.h" |
| #include "CSSGridAutoRepeatValue.h" |
| #include "CSSGridIntegerRepeatValue.h" |
| #include "CSSGridLineNamesValue.h" |
| #include "CSSImageGeneratorValue.h" |
| #include "CSSImageSetValue.h" |
| #include "CSSImageValue.h" |
| #include "CSSOffsetRotateValue.h" |
| #include "CSSPrimitiveValue.h" |
| #include "CSSPrimitiveValueMappings.h" |
| #include "CSSPropertyParserHelpers.h" |
| #include "CSSRayValue.h" |
| #include "CSSReflectValue.h" |
| #include "CSSSubgridValue.h" |
| #include "CalcExpressionLength.h" |
| #include "CalcExpressionOperation.h" |
| #include "FontPalette.h" |
| #include "FontSelectionValueInlines.h" |
| #include "Frame.h" |
| #include "FrameDestructionObserverInlines.h" |
| #include "GridPositionsResolver.h" |
| #include "Length.h" |
| #include "Pair.h" |
| #include "QuotesData.h" |
| #include "RuntimeEnabledFeatures.h" |
| #include "SVGElementTypeHelpers.h" |
| #include "SVGPathElement.h" |
| #include "SVGURIReference.h" |
| #include "Settings.h" |
| #include "StyleBuilderState.h" |
| #include "StyleGridData.h" |
| #include "StyleScrollSnapPoints.h" |
| #include "TabSize.h" |
| #include "TouchAction.h" |
| #include "TransformFunctions.h" |
| |
| namespace WebCore { |
| namespace Style { |
| |
| // Note that we assume the CSS parser only allows valid CSSValue types. |
| class BuilderConverter { |
| public: |
| static Length convertLength(const BuilderState&, const CSSValue&); |
| static Length convertLengthOrAuto(const BuilderState&, const CSSValue&); |
| static Length convertLengthOrAutoOrContent(const BuilderState&, const CSSValue&); |
| static Length convertLengthSizing(const BuilderState&, const CSSValue&); |
| static Length convertLengthMaxSizing(const BuilderState&, const CSSValue&); |
| static TabSize convertTabSize(const BuilderState&, const CSSValue&); |
| template<typename T> static T convertComputedLength(BuilderState&, const CSSValue&); |
| template<typename T> static T convertLineWidth(BuilderState&, const CSSValue&); |
| static float convertSpacing(BuilderState&, const CSSValue&); |
| static LengthSize convertRadius(BuilderState&, const CSSValue&); |
| static LengthPoint convertPosition(BuilderState&, const CSSValue&); |
| static LengthPoint convertPositionOrAuto(BuilderState&, const CSSValue&); |
| static OptionSet<TextDecorationLine> convertTextDecorationLine(BuilderState&, const CSSValue&); |
| template<typename T> static T convertNumber(BuilderState&, const CSSValue&); |
| template<typename T> static T convertNumberOrAuto(BuilderState&, const CSSValue&); |
| static short convertWebkitHyphenateLimitLines(BuilderState&, const CSSValue&); |
| template<CSSPropertyID> static NinePieceImage convertBorderMask(BuilderState&, CSSValue&); |
| template<CSSPropertyID> static RefPtr<StyleImage> convertStyleImage(BuilderState&, CSSValue&); |
| static ImageOrientation convertImageOrientation(BuilderState&, const CSSValue&); |
| static TransformOperations convertTransform(BuilderState&, const CSSValue&); |
| static RefPtr<RotateTransformOperation> convertRotate(BuilderState&, const CSSValue&); |
| static RefPtr<ScaleTransformOperation> convertScale(BuilderState&, const CSSValue&); |
| static RefPtr<TranslateTransformOperation> convertTranslate(BuilderState&, const CSSValue&); |
| #if ENABLE(DARK_MODE_CSS) |
| static StyleColorScheme convertColorScheme(BuilderState&, const CSSValue&); |
| #endif |
| static String convertString(BuilderState&, const CSSValue&); |
| static String convertStringOrAuto(BuilderState&, const CSSValue&); |
| static AtomString convertStringOrAutoAtom(BuilderState& state, const CSSValue& value) { return AtomString { convertStringOrAuto(state, value) }; } |
| static String convertStringOrNone(BuilderState&, const CSSValue&); |
| static AtomString convertStringOrNoneAtom(BuilderState& state, const CSSValue& value) { return AtomString { convertStringOrNone(state, value) }; } |
| static OptionSet<TextEmphasisPosition> convertTextEmphasisPosition(BuilderState&, const CSSValue&); |
| static TextAlignMode convertTextAlign(BuilderState&, const CSSValue&); |
| static TextAlignLast convertTextAlignLast(BuilderState&, const CSSValue&); |
| static RefPtr<PathOperation> convertPathOperation(BuilderState&, const CSSValue&); |
| static Resize convertResize(BuilderState&, const CSSValue&); |
| static int convertMarqueeRepetition(BuilderState&, const CSSValue&); |
| static int convertMarqueeSpeed(BuilderState&, const CSSValue&); |
| static RefPtr<QuotesData> convertQuotes(BuilderState&, const CSSValue&); |
| static TextUnderlinePosition convertTextUnderlinePosition(BuilderState&, const CSSValue&); |
| static TextUnderlineOffset convertTextUnderlineOffset(BuilderState&, const CSSValue&); |
| static TextDecorationThickness convertTextDecorationThickness(BuilderState&, const CSSValue&); |
| static RefPtr<StyleReflection> convertReflection(BuilderState&, const CSSValue&); |
| static IntSize convertInitialLetter(BuilderState&, const CSSValue&); |
| static float convertTextStrokeWidth(BuilderState&, const CSSValue&); |
| static OptionSet<LineBoxContain> convertLineBoxContain(BuilderState&, const CSSValue&); |
| static RefPtr<ShapeValue> convertShapeValue(BuilderState&, CSSValue&); |
| static ScrollSnapType convertScrollSnapType(BuilderState&, const CSSValue&); |
| static ScrollSnapAlign convertScrollSnapAlign(BuilderState&, const CSSValue&); |
| static ScrollSnapStop convertScrollSnapStop(BuilderState&, const CSSValue&); |
| static GridTrackSize convertGridTrackSize(BuilderState&, const CSSValue&); |
| static Vector<GridTrackSize> convertGridTrackSizeList(BuilderState&, const CSSValue&); |
| static std::optional<GridPosition> convertGridPosition(BuilderState&, const CSSValue&); |
| static GridAutoFlow convertGridAutoFlow(BuilderState&, const CSSValue&); |
| static std::optional<Length> convertWordSpacing(BuilderState&, const CSSValue&); |
| static std::optional<float> convertPerspective(BuilderState&, const CSSValue&); |
| static std::optional<Length> convertMarqueeIncrement(BuilderState&, const CSSValue&); |
| static std::optional<FilterOperations> convertFilterOperations(BuilderState&, const CSSValue&); |
| #if PLATFORM(IOS_FAMILY) |
| static bool convertTouchCallout(BuilderState&, const CSSValue&); |
| #endif |
| #if ENABLE(TOUCH_EVENTS) |
| static Color convertTapHighlightColor(BuilderState&, const CSSValue&); |
| #endif |
| static OptionSet<TouchAction> convertTouchAction(BuilderState&, const CSSValue&); |
| #if ENABLE(OVERFLOW_SCROLLING_TOUCH) |
| static bool convertOverflowScrolling(BuilderState&, const CSSValue&); |
| #endif |
| static FontFeatureSettings convertFontFeatureSettings(BuilderState&, const CSSValue&); |
| static bool convertSmoothScrolling(BuilderState&, const CSSValue&); |
| static FontSelectionValue convertFontWeightFromValue(const CSSValue&); |
| static FontSelectionValue convertFontStretchFromValue(const CSSValue&); |
| static std::optional<FontSelectionValue> convertFontStyleFromValue(const CSSValue&); |
| static FontSelectionValue convertFontWeight(BuilderState&, const CSSValue&); |
| static FontSelectionValue convertFontStretch(BuilderState&, const CSSValue&); |
| static FontSelectionValue convertFontStyle(BuilderState&, const CSSValue&); |
| static FontVariantCaps convertFontVariantCaps(BuilderState&, const CSSValue&); |
| static FontVariationSettings convertFontVariationSettings(BuilderState&, const CSSValue&); |
| static SVGLengthValue convertSVGLengthValue(BuilderState&, const CSSValue&); |
| static Vector<SVGLengthValue> convertSVGLengthVector(BuilderState&, const CSSValue&); |
| static Vector<SVGLengthValue> convertStrokeDashArray(BuilderState&, const CSSValue&); |
| static PaintOrder convertPaintOrder(BuilderState&, const CSSValue&); |
| static float convertOpacity(BuilderState&, const CSSValue&); |
| static String convertSVGURIReference(BuilderState&, const CSSValue&); |
| static StyleSelfAlignmentData convertSelfOrDefaultAlignmentData(BuilderState&, const CSSValue&); |
| static StyleContentAlignmentData convertContentAlignmentData(BuilderState&, const CSSValue&); |
| static GlyphOrientation convertGlyphOrientation(BuilderState&, const CSSValue&); |
| static GlyphOrientation convertGlyphOrientationOrAuto(BuilderState&, const CSSValue&); |
| static std::optional<Length> convertLineHeight(BuilderState&, const CSSValue&, float multiplier = 1.f); |
| static FontSynthesis convertFontSynthesis(BuilderState&, const CSSValue&); |
| static FontPalette convertFontPalette(BuilderState&, const CSSValue&); |
| |
| static BreakBetween convertPageBreakBetween(BuilderState&, const CSSValue&); |
| static BreakInside convertPageBreakInside(BuilderState&, const CSSValue&); |
| static BreakBetween convertColumnBreakBetween(BuilderState&, const CSSValue&); |
| static BreakInside convertColumnBreakInside(BuilderState&, const CSSValue&); |
| |
| static OptionSet<HangingPunctuation> convertHangingPunctuation(BuilderState&, const CSSValue&); |
| |
| static OptionSet<SpeakAs> convertSpeakAs(BuilderState&, const CSSValue&); |
| |
| static Length convertPositionComponentX(BuilderState&, const CSSValue&); |
| static Length convertPositionComponentY(BuilderState&, const CSSValue&); |
| |
| static GapLength convertGapLength(BuilderState&, const CSSValue&); |
| |
| static OffsetRotation convertOffsetRotate(BuilderState&, const CSSValue&); |
| static Vector<AtomString> convertContainerName(BuilderState&, const CSSValue&); |
| |
| private: |
| friend class BuilderCustom; |
| |
| static Length convertToRadiusLength(CSSToLengthConversionData&, const CSSPrimitiveValue&); |
| static OptionSet<TextEmphasisPosition> valueToEmphasisPosition(const CSSPrimitiveValue&); |
| static Length parseSnapCoordinate(BuilderState&, const CSSValue&); |
| |
| #if ENABLE(DARK_MODE_CSS) |
| static void updateColorScheme(const CSSPrimitiveValue&, StyleColorScheme&); |
| #endif |
| |
| static Length convertTo100PercentMinusLength(const Length&); |
| template<CSSValueID, CSSValueID> static Length convertPositionComponent(BuilderState&, const CSSPrimitiveValue&); |
| |
| static GridLength createGridTrackBreadth(const CSSPrimitiveValue&, BuilderState&); |
| static GridTrackSize createGridTrackSize(const CSSValue&, BuilderState&); |
| static bool createGridTrackList(const CSSValue&, GridTrackList&, BuilderState&); |
| static bool createGridPosition(const CSSValue&, GridPosition&); |
| static void createImplicitNamedGridLinesFromGridArea(const NamedGridAreaMap&, NamedGridLinesMap&, GridTrackSizingDirection); |
| static CSSToLengthConversionData csstoLengthConversionDataWithTextZoomFactor(BuilderState&); |
| }; |
| |
| inline Length BuilderConverter::convertLength(const BuilderState& builderState, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| CSSToLengthConversionData conversionData = builderState.useSVGZoomRulesForLength() ? |
| builderState.cssToLengthConversionData().copyWithAdjustedZoom(1.0f) |
| : builderState.cssToLengthConversionData(); |
| |
| if (primitiveValue.isLength()) { |
| Length length = primitiveValue.computeLength<Length>(conversionData); |
| length.setHasQuirk(primitiveValue.primitiveType() == CSSUnitType::CSS_QUIRKY_EMS); |
| return length; |
| } |
| |
| if (primitiveValue.isPercentage()) |
| return Length(primitiveValue.doubleValue(), LengthType::Percent); |
| |
| if (primitiveValue.isCalculatedPercentageWithLength()) |
| return Length(primitiveValue.cssCalcValue()->createCalculationValue(conversionData)); |
| |
| ASSERT_NOT_REACHED(); |
| return Length(0, LengthType::Fixed); |
| } |
| |
| inline Length BuilderConverter::convertLengthOrAuto(const BuilderState& builderState, const CSSValue& value) |
| { |
| if (downcast<CSSPrimitiveValue>(value).valueID() == CSSValueAuto) |
| return Length(LengthType::Auto); |
| return convertLength(builderState, value); |
| } |
| |
| inline Length BuilderConverter::convertLengthSizing(const BuilderState& builderState, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| switch (primitiveValue.valueID()) { |
| case CSSValueInvalid: |
| return convertLength(builderState, value); |
| case CSSValueIntrinsic: |
| return Length(LengthType::Intrinsic); |
| case CSSValueMinIntrinsic: |
| return Length(LengthType::MinIntrinsic); |
| case CSSValueMinContent: |
| case CSSValueWebkitMinContent: |
| return Length(LengthType::MinContent); |
| case CSSValueMaxContent: |
| case CSSValueWebkitMaxContent: |
| return Length(LengthType::MaxContent); |
| case CSSValueWebkitFillAvailable: |
| return Length(LengthType::FillAvailable); |
| case CSSValueFitContent: |
| case CSSValueWebkitFitContent: |
| return Length(LengthType::FitContent); |
| case CSSValueAuto: |
| return Length(LengthType::Auto); |
| case CSSValueContent: |
| return Length(LengthType::Content); |
| default: |
| ASSERT_NOT_REACHED(); |
| return Length(); |
| } |
| } |
| |
| inline Length BuilderConverter::convertLengthMaxSizing(const BuilderState& builderState, const CSSValue& value) |
| { |
| if (downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNone) |
| return Length(LengthType::Undefined); |
| return convertLengthSizing(builderState, value); |
| } |
| |
| inline TabSize BuilderConverter::convertTabSize(const BuilderState& builderState, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.isNumber()) |
| return TabSize(primitiveValue.floatValue(), SpaceValueType); |
| return TabSize(primitiveValue.computeLength<float>(builderState.cssToLengthConversionData()), LengthValueType); |
| } |
| |
| template<typename T> |
| inline T BuilderConverter::convertComputedLength(BuilderState& builderState, const CSSValue& value) |
| { |
| return downcast<CSSPrimitiveValue>(value).computeLength<T>(builderState.cssToLengthConversionData()); |
| } |
| |
| template<typename T> |
| inline T BuilderConverter::convertLineWidth(BuilderState& builderState, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| switch (primitiveValue.valueID()) { |
| case CSSValueThin: |
| return 1; |
| case CSSValueMedium: |
| return 3; |
| case CSSValueThick: |
| return 5; |
| case CSSValueInvalid: { |
| // Any original result that was >= 1 should not be allowed to fall below 1. |
| // This keeps border lines from vanishing. |
| T result = convertComputedLength<T>(builderState, value); |
| if (builderState.style().effectiveZoom() < 1.0f && result < 1.0) { |
| T originalLength = primitiveValue.computeLength<T>(builderState.cssToLengthConversionData().copyWithAdjustedZoom(1.0)); |
| if (originalLength >= 1.0) |
| return 1; |
| } |
| float minimumLineWidth = 1 / builderState.document().deviceScaleFactor(); |
| if (result > 0 && result < minimumLineWidth) |
| return minimumLineWidth; |
| return floorToDevicePixel(result, builderState.document().deviceScaleFactor()); |
| } |
| default: |
| ASSERT_NOT_REACHED(); |
| return 0; |
| } |
| } |
| |
| inline float BuilderConverter::convertSpacing(BuilderState& builderState, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.valueID() == CSSValueNormal) |
| return 0.f; |
| |
| CSSToLengthConversionData conversionData = builderState.useSVGZoomRulesForLength() ? |
| builderState.cssToLengthConversionData().copyWithAdjustedZoom(1.0f) |
| : builderState.cssToLengthConversionData(); |
| return primitiveValue.computeLength<float>(conversionData); |
| } |
| |
| inline Length BuilderConverter::convertToRadiusLength(CSSToLengthConversionData& conversionData, const CSSPrimitiveValue& value) |
| { |
| if (value.isPercentage()) |
| return Length(value.doubleValue(), LengthType::Percent); |
| if (value.isCalculatedPercentageWithLength()) |
| return Length(value.cssCalcValue()->createCalculationValue(conversionData)); |
| auto length = value.computeLength<Length>(conversionData); |
| if (length.isNegative()) |
| return { 0, LengthType::Fixed }; |
| return length; |
| } |
| |
| inline LengthSize BuilderConverter::convertRadius(BuilderState& builderState, const CSSValue& value) |
| { |
| auto* pair = downcast<CSSPrimitiveValue>(value).pairValue(); |
| if (!pair || !pair->first() || !pair->second()) |
| return { { 0, LengthType::Fixed }, { 0, LengthType::Fixed } }; |
| |
| CSSToLengthConversionData conversionData = builderState.cssToLengthConversionData(); |
| LengthSize radius { convertToRadiusLength(conversionData, *pair->first()), convertToRadiusLength(conversionData, *pair->second()) }; |
| |
| ASSERT(!radius.width.isNegative()); |
| ASSERT(!radius.height.isNegative()); |
| return radius; |
| } |
| |
| inline Length BuilderConverter::convertTo100PercentMinusLength(const Length& length) |
| { |
| if (length.isPercent()) |
| return Length(100 - length.value(), LengthType::Percent); |
| |
| // Turn this into a calc expression: calc(100% - length) |
| auto lengths = Vector<std::unique_ptr<CalcExpressionNode>>::from( |
| makeUnique<CalcExpressionLength>(Length(100, LengthType::Percent)), |
| makeUnique<CalcExpressionLength>(length) |
| ); |
| auto operation = makeUnique<CalcExpressionOperation>(WTFMove(lengths), CalcOperator::Subtract); |
| return Length(CalculationValue::create(WTFMove(operation), ValueRange::All)); |
| } |
| |
| inline Length BuilderConverter::convertPositionComponentX(BuilderState& builderState, const CSSValue& value) |
| { |
| return convertPositionComponent<CSSValueLeft, CSSValueRight>(builderState, downcast<CSSPrimitiveValue>(value)); |
| } |
| |
| inline Length BuilderConverter::convertPositionComponentY(BuilderState& builderState, const CSSValue& value) |
| { |
| return convertPositionComponent<CSSValueTop, CSSValueBottom>(builderState, downcast<CSSPrimitiveValue>(value)); |
| } |
| |
| template<CSSValueID cssValueFor0, CSSValueID cssValueFor100> |
| inline Length BuilderConverter::convertPositionComponent(BuilderState& builderState, const CSSPrimitiveValue& value) |
| { |
| Length length; |
| |
| auto* lengthValue = &value; |
| bool relativeToTrailingEdge = false; |
| |
| if (value.isPair()) { |
| auto& first = *value.pairValue()->first(); |
| if (first.valueID() == CSSValueRight || first.valueID() == CSSValueBottom) |
| relativeToTrailingEdge = true; |
| lengthValue = value.pairValue()->second(); |
| } |
| |
| if (value.isValueID()) { |
| switch (value.valueID()) { |
| case cssValueFor0: |
| return Length(0, LengthType::Percent); |
| case cssValueFor100: |
| return Length(100, LengthType::Percent); |
| case CSSValueCenter: |
| return Length(50, LengthType::Percent); |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| } |
| |
| length = convertLength(builderState, *lengthValue); |
| |
| if (relativeToTrailingEdge) |
| length = convertTo100PercentMinusLength(length); |
| |
| return length; |
| } |
| |
| inline LengthPoint BuilderConverter::convertPosition(BuilderState& builderState, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| Pair* pair = primitiveValue.pairValue(); |
| if (!pair || !pair->first() || !pair->second()) |
| return RenderStyle::initialObjectPosition(); |
| |
| Length lengthX = convertPositionComponent<CSSValueLeft, CSSValueRight>(builderState, *pair->first()); |
| Length lengthY = convertPositionComponent<CSSValueTop, CSSValueBottom>(builderState, *pair->second()); |
| |
| return LengthPoint(lengthX, lengthY); |
| } |
| |
| inline LengthPoint BuilderConverter::convertPositionOrAuto(BuilderState& builderState, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| |
| if (primitiveValue.isPair()) |
| return convertPosition(builderState, value); |
| |
| return LengthPoint(Length(LengthType::Auto), Length(LengthType::Auto)); |
| } |
| |
| inline OptionSet<TextDecorationLine> BuilderConverter::convertTextDecorationLine(BuilderState&, const CSSValue& value) |
| { |
| auto result = RenderStyle::initialTextDecorationLine(); |
| if (is<CSSValueList>(value)) { |
| for (auto& currentValue : downcast<CSSValueList>(value)) |
| result.add(downcast<CSSPrimitiveValue>(currentValue.get())); |
| } |
| return result; |
| } |
| |
| template<typename T> |
| inline T BuilderConverter::convertNumber(BuilderState&, const CSSValue& value) |
| { |
| return downcast<CSSPrimitiveValue>(value).value<T>(CSSUnitType::CSS_NUMBER); |
| } |
| |
| template<typename T> |
| inline T BuilderConverter::convertNumberOrAuto(BuilderState& builderState, const CSSValue& value) |
| { |
| if (downcast<CSSPrimitiveValue>(value).valueID() == CSSValueAuto) |
| return -1; |
| return convertNumber<T>(builderState, value); |
| } |
| |
| inline short BuilderConverter::convertWebkitHyphenateLimitLines(BuilderState&, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.valueID() == CSSValueNoLimit) |
| return -1; |
| return primitiveValue.value<short>(CSSUnitType::CSS_NUMBER); |
| } |
| |
| template<CSSPropertyID property> |
| inline NinePieceImage BuilderConverter::convertBorderMask(BuilderState& builderState, CSSValue& value) |
| { |
| NinePieceImage image(NinePieceImage::Type::Mask); |
| builderState.styleMap().mapNinePieceImage(&value, image); |
| return image; |
| } |
| |
| template<CSSPropertyID> |
| inline RefPtr<StyleImage> BuilderConverter::convertStyleImage(BuilderState& builderState, CSSValue& value) |
| { |
| return builderState.createStyleImage(value); |
| } |
| |
| inline ImageOrientation BuilderConverter::convertImageOrientation(BuilderState&, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.valueID() == CSSValueFromImage) |
| return ImageOrientation::FromImage; |
| return ImageOrientation::None; |
| } |
| |
| inline TransformOperations BuilderConverter::convertTransform(BuilderState& builderState, const CSSValue& value) |
| { |
| TransformOperations operations; |
| transformsForValue(value, builderState.cssToLengthConversionData(), operations); |
| return operations; |
| } |
| |
| inline RefPtr<TranslateTransformOperation> BuilderConverter::convertTranslate(BuilderState& builderState, const CSSValue& value) |
| { |
| return translateForValue(value, builderState.cssToLengthConversionData()); |
| } |
| |
| inline RefPtr<RotateTransformOperation> BuilderConverter::convertRotate(BuilderState&, const CSSValue& value) |
| { |
| return rotateForValue(value); |
| } |
| |
| inline RefPtr<ScaleTransformOperation> BuilderConverter::convertScale(BuilderState&, const CSSValue& value) |
| { |
| return scaleForValue(value); |
| } |
| |
| #if ENABLE(DARK_MODE_CSS) |
| inline void BuilderConverter::updateColorScheme(const CSSPrimitiveValue& primitiveValue, StyleColorScheme& colorScheme) |
| { |
| ASSERT(primitiveValue.isValueID()); |
| |
| switch (primitiveValue.valueID()) { |
| case CSSValueAuto: |
| colorScheme = StyleColorScheme(); |
| break; |
| case CSSValueOnly: |
| colorScheme.setAllowsTransformations(false); |
| break; |
| case CSSValueLight: |
| colorScheme.add(ColorScheme::Light); |
| break; |
| case CSSValueDark: |
| colorScheme.add(ColorScheme::Dark); |
| break; |
| default: |
| // Unknown identifiers are allowed and ignored. |
| break; |
| } |
| } |
| |
| inline StyleColorScheme BuilderConverter::convertColorScheme(BuilderState&, const CSSValue& value) |
| { |
| StyleColorScheme colorScheme; |
| |
| if (is<CSSValueList>(value)) { |
| for (auto& currentValue : downcast<CSSValueList>(value)) |
| updateColorScheme(downcast<CSSPrimitiveValue>(currentValue.get()), colorScheme); |
| } else if (is<CSSPrimitiveValue>(value)) |
| updateColorScheme(downcast<CSSPrimitiveValue>(value), colorScheme); |
| |
| // If the value was just "only", that is synonymous for "only light". |
| if (colorScheme.isOnly()) |
| colorScheme.add(ColorScheme::Light); |
| |
| return colorScheme; |
| } |
| #endif |
| |
| inline String BuilderConverter::convertString(BuilderState&, const CSSValue& value) |
| { |
| return downcast<CSSPrimitiveValue>(value).stringValue(); |
| } |
| |
| inline String BuilderConverter::convertStringOrAuto(BuilderState& builderState, const CSSValue& value) |
| { |
| if (downcast<CSSPrimitiveValue>(value).valueID() == CSSValueAuto) |
| return nullAtom(); |
| return convertString(builderState, value); |
| } |
| |
| inline String BuilderConverter::convertStringOrNone(BuilderState& builderState, const CSSValue& value) |
| { |
| if (downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNone) |
| return nullAtom(); |
| return convertString(builderState, value); |
| } |
| |
| inline OptionSet<TextEmphasisPosition> BuilderConverter::valueToEmphasisPosition(const CSSPrimitiveValue& primitiveValue) |
| { |
| ASSERT(primitiveValue.isValueID()); |
| |
| switch (primitiveValue.valueID()) { |
| case CSSValueOver: |
| return TextEmphasisPosition::Over; |
| case CSSValueUnder: |
| return TextEmphasisPosition::Under; |
| case CSSValueLeft: |
| return TextEmphasisPosition::Left; |
| case CSSValueRight: |
| return TextEmphasisPosition::Right; |
| default: |
| break; |
| } |
| |
| ASSERT_NOT_REACHED(); |
| return RenderStyle::initialTextEmphasisPosition(); |
| } |
| |
| inline OptionSet<TextEmphasisPosition> BuilderConverter::convertTextEmphasisPosition(BuilderState&, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) |
| return valueToEmphasisPosition(downcast<CSSPrimitiveValue>(value)); |
| |
| OptionSet<TextEmphasisPosition> position; |
| for (auto& currentValue : downcast<CSSValueList>(value)) |
| position.add(valueToEmphasisPosition(downcast<CSSPrimitiveValue>(currentValue.get()))); |
| return position; |
| } |
| |
| inline TextAlignMode BuilderConverter::convertTextAlign(BuilderState& builderState, const CSSValue& value) |
| { |
| const auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| ASSERT(primitiveValue.isValueID()); |
| |
| const auto& parentStyle = builderState.parentStyle(); |
| |
| // User agents are expected to have a rule in their user agent stylesheet that matches th elements that have a parent |
| // node whose computed value for the 'text-align' property is its initial value, whose declaration block consists of |
| // just a single declaration that sets the 'text-align' property to the value 'center'. |
| // https://html.spec.whatwg.org/multipage/rendering.html#rendering |
| if (primitiveValue.valueID() == CSSValueInternalThCenter) { |
| if (parentStyle.textAlign() == RenderStyle::initialTextAlign()) |
| return TextAlignMode::Center; |
| return parentStyle.textAlign(); |
| } |
| |
| if (primitiveValue.valueID() == CSSValueWebkitMatchParent || primitiveValue.valueID() == CSSValueMatchParent) { |
| const auto* element = builderState.element(); |
| |
| if (element && element == builderState.document().documentElement()) |
| return TextAlignMode::Start; |
| if (parentStyle.textAlign() == TextAlignMode::Start) |
| return parentStyle.isLeftToRightDirection() ? TextAlignMode::Left : TextAlignMode::Right; |
| if (parentStyle.textAlign() == TextAlignMode::End) |
| return parentStyle.isLeftToRightDirection() ? TextAlignMode::Right : TextAlignMode::Left; |
| |
| return parentStyle.textAlign(); |
| } |
| |
| return primitiveValue; |
| } |
| |
| inline TextAlignLast BuilderConverter::convertTextAlignLast(BuilderState& builderState, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| ASSERT(primitiveValue.isValueID()); |
| |
| if (primitiveValue.valueID() != CSSValueMatchParent) |
| return primitiveValue; |
| |
| auto& parentStyle = builderState.parentStyle(); |
| if (parentStyle.textAlignLast() == TextAlignLast::Start) |
| return parentStyle.isLeftToRightDirection() ? TextAlignLast::Left : TextAlignLast::Right; |
| if (parentStyle.textAlignLast() == TextAlignLast::End) |
| return parentStyle.isLeftToRightDirection() ? TextAlignLast::Right : TextAlignLast::Left; |
| return parentStyle.textAlignLast(); |
| } |
| |
| inline RefPtr<PathOperation> BuilderConverter::convertPathOperation(BuilderState& builderState, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.primitiveType() == CSSUnitType::CSS_URI) { |
| auto cssURLValue = primitiveValue.stringValue(); |
| auto fragment = SVGURIReference::fragmentIdentifierFromIRIString(cssURLValue, builderState.document()); |
| // FIXME: It doesn't work with external SVG references (see https://bugs.webkit.org/show_bug.cgi?id=126133) |
| auto target = SVGURIReference::targetElementFromIRIString(cssURLValue, builderState.document()); |
| return ReferencePathOperation::create(cssURLValue, fragment, dynamicDowncast<SVGElement>(target.element.get())); |
| } |
| ASSERT(primitiveValue.valueID() == CSSValueNone); |
| return nullptr; |
| } |
| |
| if (is<CSSRayValue>(value)) { |
| auto& rayValue = downcast<CSSRayValue>(value); |
| |
| RayPathOperation::Size size = RayPathOperation::Size::ClosestCorner; |
| switch (rayValue.size()->valueID()) { |
| case CSSValueClosestCorner: |
| size = RayPathOperation::Size::ClosestCorner; |
| break; |
| case CSSValueClosestSide: |
| size = RayPathOperation::Size::ClosestSide; |
| break; |
| case CSSValueFarthestCorner: |
| size = RayPathOperation::Size::FarthestCorner; |
| break; |
| case CSSValueFarthestSide: |
| size = RayPathOperation::Size::FarthestSide; |
| break; |
| case CSSValueSides: |
| size = RayPathOperation::Size::Sides; |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| return nullptr; |
| } |
| |
| return RayPathOperation::create(rayValue.angle()->computeDegrees(), size, rayValue.isContaining()); |
| } |
| |
| CSSBoxType referenceBox = CSSBoxType::BoxMissing; |
| RefPtr<PathOperation> operation; |
| |
| for (auto& currentValue : downcast<CSSValueList>(value)) { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(currentValue.get()); |
| if (primitiveValue.isShape()) { |
| ASSERT(!operation); |
| operation = ShapePathOperation::create( |
| basicShapeForValue(builderState.cssToLengthConversionData(), |
| *primitiveValue.shapeValue(), |
| builderState.style().effectiveZoom())); |
| } else { |
| ASSERT(primitiveValue.valueID() == CSSValueContentBox |
| || primitiveValue.valueID() == CSSValueBorderBox |
| || primitiveValue.valueID() == CSSValuePaddingBox |
| || primitiveValue.valueID() == CSSValueMarginBox |
| || primitiveValue.valueID() == CSSValueFillBox |
| || primitiveValue.valueID() == CSSValueStrokeBox |
| || primitiveValue.valueID() == CSSValueViewBox); |
| ASSERT(referenceBox == CSSBoxType::BoxMissing); |
| referenceBox = primitiveValue; |
| } |
| } |
| if (operation) |
| downcast<ShapePathOperation>(*operation).setReferenceBox(referenceBox); |
| else { |
| ASSERT(referenceBox != CSSBoxType::BoxMissing); |
| operation = BoxPathOperation::create(referenceBox); |
| } |
| |
| return operation; |
| } |
| |
| inline Resize BuilderConverter::convertResize(BuilderState& builderState, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| |
| Resize resize = Resize::None; |
| if (primitiveValue.valueID() == CSSValueAuto) |
| resize = builderState.document().settings().textAreasAreResizable() ? Resize::Both : Resize::None; |
| else |
| resize = primitiveValue; |
| |
| return resize; |
| } |
| |
| inline int BuilderConverter::convertMarqueeRepetition(BuilderState&, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.valueID() == CSSValueInfinite) |
| return -1; // -1 means repeat forever. |
| |
| ASSERT(primitiveValue.isNumber()); |
| return primitiveValue.intValue(); |
| } |
| |
| inline int BuilderConverter::convertMarqueeSpeed(BuilderState&, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.isTime()) |
| return primitiveValue.computeTime<int, CSSPrimitiveValue::Milliseconds>(); |
| // For scrollamount support. |
| ASSERT(primitiveValue.isNumber()); |
| return primitiveValue.intValue(); |
| } |
| |
| inline RefPtr<QuotesData> BuilderConverter::convertQuotes(BuilderState&, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.valueID() == CSSValueNone) |
| return QuotesData::create({ }); |
| ASSERT(primitiveValue.valueID() == CSSValueAuto); |
| return nullptr; |
| } |
| |
| auto& list = downcast<CSSValueList>(value); |
| Vector<std::pair<String, String>> quotes; |
| quotes.reserveInitialCapacity(list.length() / 2); |
| for (unsigned i = 0; i < list.length(); i += 2) { |
| const CSSValue* first = list.itemWithoutBoundsCheck(i); |
| // item() returns null if out of bounds so this is safe. |
| const CSSValue* second = list.item(i + 1); |
| if (!second) |
| break; |
| String startQuote = downcast<CSSPrimitiveValue>(*first).stringValue(); |
| String endQuote = downcast<CSSPrimitiveValue>(*second).stringValue(); |
| quotes.append(std::make_pair(startQuote, endQuote)); |
| } |
| return QuotesData::create(quotes); |
| } |
| |
| inline TextUnderlinePosition BuilderConverter::convertTextUnderlinePosition(BuilderState&, const CSSValue& value) |
| { |
| ASSERT(is<CSSPrimitiveValue>(value)); |
| return downcast<CSSPrimitiveValue>(value); |
| } |
| |
| inline TextUnderlineOffset BuilderConverter::convertTextUnderlineOffset(BuilderState& builderState, const CSSValue& value) |
| { |
| ASSERT(is<CSSPrimitiveValue>(value)); |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| switch (primitiveValue.valueID()) { |
| case CSSValueAuto: |
| return TextUnderlineOffset::createWithAuto(); |
| default: |
| ASSERT(primitiveValue.isLength()); |
| auto computedLength = convertComputedLength<float>(builderState, primitiveValue); |
| return TextUnderlineOffset::createWithLength(computedLength); |
| } |
| } |
| |
| inline TextDecorationThickness BuilderConverter::convertTextDecorationThickness(BuilderState& builderState, const CSSValue& value) |
| { |
| ASSERT(is<CSSPrimitiveValue>(value)); |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| switch (primitiveValue.valueID()) { |
| case CSSValueAuto: |
| return TextDecorationThickness::createWithAuto(); |
| case CSSValueFromFont: |
| return TextDecorationThickness::createFromFont(); |
| default: |
| ASSERT(primitiveValue.isLength()); |
| auto computedLength = convertComputedLength<float>(builderState, primitiveValue); |
| return TextDecorationThickness::createWithLength(computedLength); |
| } |
| } |
| |
| inline RefPtr<StyleReflection> BuilderConverter::convertReflection(BuilderState& builderState, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| ASSERT(downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNone); |
| return nullptr; |
| } |
| |
| auto& reflectValue = downcast<CSSReflectValue>(value); |
| |
| auto reflection = StyleReflection::create(); |
| reflection->setDirection(reflectValue.direction()); |
| reflection->setOffset(reflectValue.offset().convertToLength<FixedIntegerConversion | PercentConversion | CalculatedConversion>(builderState.cssToLengthConversionData())); |
| |
| NinePieceImage mask(NinePieceImage::Type::Mask); |
| builderState.styleMap().mapNinePieceImage(reflectValue.mask(), mask); |
| reflection->setMask(mask); |
| |
| return reflection; |
| } |
| |
| inline IntSize BuilderConverter::convertInitialLetter(BuilderState&, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| |
| if (primitiveValue.valueID() == CSSValueNormal) |
| return IntSize(); |
| |
| Pair* pair = primitiveValue.pairValue(); |
| ASSERT(pair); |
| ASSERT(pair->first()); |
| ASSERT(pair->second()); |
| |
| return IntSize(pair->first()->intValue(), pair->second()->intValue()); |
| } |
| |
| inline float BuilderConverter::convertTextStrokeWidth(BuilderState& builderState, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| |
| float width = 0; |
| switch (primitiveValue.valueID()) { |
| case CSSValueThin: |
| case CSSValueMedium: |
| case CSSValueThick: { |
| double result = 1.0 / 48; |
| if (primitiveValue.valueID() == CSSValueMedium) |
| result *= 3; |
| else if (primitiveValue.valueID() == CSSValueThick) |
| result *= 5; |
| Ref<CSSPrimitiveValue> emsValue(CSSPrimitiveValue::create(result, CSSUnitType::CSS_EMS)); |
| width = convertComputedLength<float>(builderState, emsValue); |
| break; |
| } |
| case CSSValueInvalid: { |
| width = convertComputedLength<float>(builderState, primitiveValue); |
| break; |
| } |
| default: |
| ASSERT_NOT_REACHED(); |
| return 0; |
| } |
| |
| return width; |
| } |
| |
| inline OptionSet<LineBoxContain> BuilderConverter::convertLineBoxContain(BuilderState&, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| ASSERT(downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNone); |
| return { }; |
| } |
| |
| return downcast<CSSLineBoxContainValue>(value).value(); |
| } |
| |
| static inline bool isImageShape(const CSSValue& value) |
| { |
| return is<CSSImageValue>(value) || is<CSSImageSetValue>(value) || is<CSSImageGeneratorValue>(value); |
| } |
| |
| inline RefPtr<ShapeValue> BuilderConverter::convertShapeValue(BuilderState& builderState, CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| ASSERT(downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNone); |
| return nullptr; |
| } |
| |
| if (isImageShape(value)) |
| return ShapeValue::create(builderState.createStyleImage(value).releaseNonNull()); |
| |
| RefPtr<BasicShape> shape; |
| CSSBoxType referenceBox = CSSBoxType::BoxMissing; |
| for (auto& currentValue : downcast<CSSValueList>(value)) { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(currentValue.get()); |
| if (primitiveValue.isShape()) |
| shape = basicShapeForValue(builderState.cssToLengthConversionData(), *primitiveValue.shapeValue()); |
| else if (primitiveValue.valueID() == CSSValueContentBox |
| || primitiveValue.valueID() == CSSValueBorderBox |
| || primitiveValue.valueID() == CSSValuePaddingBox |
| || primitiveValue.valueID() == CSSValueMarginBox) |
| referenceBox = primitiveValue; |
| else { |
| ASSERT_NOT_REACHED(); |
| return nullptr; |
| } |
| } |
| |
| if (shape) |
| return ShapeValue::create(shape.releaseNonNull(), referenceBox); |
| |
| if (referenceBox != CSSBoxType::BoxMissing) |
| return ShapeValue::create(referenceBox); |
| |
| ASSERT_NOT_REACHED(); |
| return nullptr; |
| } |
| |
| inline ScrollSnapType BuilderConverter::convertScrollSnapType(BuilderState&, const CSSValue& value) |
| { |
| ScrollSnapType type; |
| auto& values = downcast<CSSValueList>(value); |
| auto& firstValue = downcast<CSSPrimitiveValue>(*values.item(0)); |
| if (firstValue.valueID() == CSSValueNone) |
| return type; |
| |
| type.axis = firstValue; |
| if (values.length() == 2) |
| type.strictness = downcast<CSSPrimitiveValue>(*values.item(1)); |
| else |
| type.strictness = ScrollSnapStrictness::Proximity; |
| |
| return type; |
| } |
| |
| inline ScrollSnapAlign BuilderConverter::convertScrollSnapAlign(BuilderState&, const CSSValue& value) |
| { |
| auto& values = downcast<CSSValueList>(value); |
| ScrollSnapAlign alignment; |
| alignment.blockAlign = downcast<CSSPrimitiveValue>(*values.item(0)); |
| if (values.length() == 1) |
| alignment.inlineAlign = alignment.blockAlign; |
| else |
| alignment.inlineAlign = downcast<CSSPrimitiveValue>(*values.item(1)); |
| return alignment; |
| } |
| |
| inline ScrollSnapStop BuilderConverter::convertScrollSnapStop(BuilderState&, const CSSValue& value) |
| { |
| ASSERT(is<CSSPrimitiveValue>(value)); |
| return downcast<CSSPrimitiveValue>(value); |
| } |
| |
| inline GridLength BuilderConverter::createGridTrackBreadth(const CSSPrimitiveValue& primitiveValue, BuilderState& builderState) |
| { |
| if (primitiveValue.valueID() == CSSValueMinContent || primitiveValue.valueID() == CSSValueWebkitMinContent) |
| return Length(LengthType::MinContent); |
| |
| if (primitiveValue.valueID() == CSSValueMaxContent || primitiveValue.valueID() == CSSValueWebkitMaxContent) |
| return Length(LengthType::MaxContent); |
| |
| // Fractional unit. |
| if (primitiveValue.isFlex()) |
| return GridLength(primitiveValue.doubleValue()); |
| |
| return primitiveValue.convertToLength<FixedIntegerConversion | PercentConversion | CalculatedConversion | AutoConversion>(builderState.cssToLengthConversionData()); |
| } |
| |
| inline GridTrackSize BuilderConverter::createGridTrackSize(const CSSValue& value, BuilderState& builderState) |
| { |
| if (is<CSSPrimitiveValue>(value)) |
| return GridTrackSize(createGridTrackBreadth(downcast<CSSPrimitiveValue>(value), builderState)); |
| |
| ASSERT(is<CSSFunctionValue>(value)); |
| const auto& function = downcast<CSSFunctionValue>(value); |
| |
| if (function.length() == 1) |
| return GridTrackSize(createGridTrackBreadth(downcast<CSSPrimitiveValue>(*function.itemWithoutBoundsCheck(0)), builderState), FitContentTrackSizing); |
| |
| RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(function.length() == 2); |
| GridLength minTrackBreadth(createGridTrackBreadth(downcast<CSSPrimitiveValue>(*function.itemWithoutBoundsCheck(0)), builderState)); |
| GridLength maxTrackBreadth(createGridTrackBreadth(downcast<CSSPrimitiveValue>(*function.itemWithoutBoundsCheck(1)), builderState)); |
| return GridTrackSize(minTrackBreadth, maxTrackBreadth); |
| } |
| |
| inline bool BuilderConverter::createGridTrackList(const CSSValue& value, GridTrackList& trackList, BuilderState& builderState) |
| { |
| // Handle 'none'. |
| if (is<CSSPrimitiveValue>(value)) |
| return downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNone; |
| |
| if (!is<CSSValueList>(value)) |
| return false; |
| |
| bool isSubgrid = false; |
| if (is<CSSSubgridValue>(value)) { |
| isSubgrid = true; |
| trackList.append(GridTrackEntrySubgrid()); |
| } |
| |
| // https://drafts.csswg.org/css-grid-2/#computed-tracks |
| // The computed track list of a non-subgrid axis is a list alternating between line name sets |
| // and track sections, with the first and last items being line name sets. |
| auto ensureLineNames = [&](auto& list) { |
| if (isSubgrid) |
| return; |
| if (list.isEmpty() || !std::holds_alternative<Vector<String>>(list.last())) |
| list.append(Vector<String>()); |
| }; |
| |
| auto buildRepeatList = [&](const CSSValue& repeatValue, RepeatTrackList& repeatList) { |
| for (auto& currentValue : downcast<CSSValueList>(repeatValue)) { |
| if (is<CSSGridLineNamesValue>(currentValue)) { |
| Vector<String> names; |
| for (auto& namedGridLineValue : downcast<CSSGridLineNamesValue>(currentValue.get())) |
| names.append(downcast<CSSPrimitiveValue>(namedGridLineValue.get()).stringValue()); |
| repeatList.append(WTFMove(names)); |
| } else { |
| ensureLineNames(repeatList); |
| repeatList.append(createGridTrackSize(currentValue, builderState)); |
| } |
| } |
| |
| if (!repeatList.isEmpty()) |
| ensureLineNames(repeatList); |
| }; |
| |
| for (auto& currentValue : downcast<CSSValueList>(value)) { |
| if (is<CSSGridLineNamesValue>(currentValue)) { |
| Vector<String> names; |
| for (auto& namedGridLineValue : downcast<CSSGridLineNamesValue>(currentValue.get())) |
| names.append(downcast<CSSPrimitiveValue>(namedGridLineValue.get()).stringValue()); |
| trackList.append(WTFMove(names)); |
| continue; |
| } |
| |
| ensureLineNames(trackList); |
| |
| if (is<CSSGridAutoRepeatValue>(currentValue)) { |
| CSSValueID autoRepeatID = downcast<CSSGridAutoRepeatValue>(currentValue.get()).autoRepeatID(); |
| ASSERT(autoRepeatID == CSSValueAutoFill || autoRepeatID == CSSValueAutoFit); |
| |
| GridTrackEntryAutoRepeat repeat; |
| repeat.type = autoRepeatID == CSSValueAutoFill ? AutoRepeatType::Fill : AutoRepeatType::Fit; |
| |
| buildRepeatList(currentValue, repeat.list); |
| trackList.append(WTFMove(repeat)); |
| } else if (is<CSSGridIntegerRepeatValue>(currentValue)) { |
| GridTrackEntryRepeat repeat; |
| repeat.repeats = downcast<CSSGridIntegerRepeatValue>(currentValue.get()).repetitions(); |
| |
| buildRepeatList(currentValue, repeat.list); |
| trackList.append(WTFMove(repeat)); |
| } else { |
| trackList.append(createGridTrackSize(currentValue, builderState)); |
| } |
| } |
| |
| if (!trackList.isEmpty()) |
| ensureLineNames(trackList); |
| |
| return true; |
| } |
| |
| inline bool BuilderConverter::createGridPosition(const CSSValue& value, GridPosition& position) |
| { |
| // We accept the specification's grammar: |
| // auto | <custom-ident> | [ <integer> && <custom-ident>? ] | [ span && [ <integer> || <custom-ident> ] ] |
| if (is<CSSPrimitiveValue>(value)) { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.isCustomIdent()) { |
| position.setNamedGridArea(primitiveValue.stringValue()); |
| return true; |
| } |
| |
| ASSERT(primitiveValue.valueID() == CSSValueAuto); |
| return true; |
| } |
| |
| auto& values = downcast<CSSValueList>(value); |
| ASSERT(values.length()); |
| |
| auto it = values.begin(); |
| const CSSPrimitiveValue* currentValue = &downcast<CSSPrimitiveValue>(it->get()); |
| bool isSpanPosition = false; |
| if (currentValue->valueID() == CSSValueSpan) { |
| isSpanPosition = true; |
| ++it; |
| currentValue = it != values.end() ? &downcast<CSSPrimitiveValue>(it->get()) : nullptr; |
| } |
| |
| int gridLineNumber = 0; |
| if (currentValue && currentValue->isInteger()) { |
| gridLineNumber = currentValue->intValue(); |
| ++it; |
| currentValue = it != values.end() ? &downcast<CSSPrimitiveValue>(it->get()) : nullptr; |
| } |
| |
| String gridLineName; |
| if (currentValue && currentValue->isCustomIdent()) { |
| gridLineName = currentValue->stringValue(); |
| ++it; |
| } |
| |
| ASSERT(it == values.end()); |
| if (isSpanPosition) |
| position.setSpanPosition(gridLineNumber ? gridLineNumber : 1, gridLineName); |
| else |
| position.setExplicitPosition(gridLineNumber, gridLineName); |
| |
| return true; |
| } |
| |
| inline void BuilderConverter::createImplicitNamedGridLinesFromGridArea(const NamedGridAreaMap& namedGridAreas, NamedGridLinesMap& namedGridLines, GridTrackSizingDirection direction) |
| { |
| for (auto& area : namedGridAreas) { |
| GridSpan areaSpan = direction == ForRows ? area.value.rows : area.value.columns; |
| { |
| auto& startVector = namedGridLines.add(area.key + "-start", Vector<unsigned>()).iterator->value; |
| startVector.append(areaSpan.startLine()); |
| std::sort(startVector.begin(), startVector.end()); |
| } |
| { |
| auto& endVector = namedGridLines.add(area.key + "-end", Vector<unsigned>()).iterator->value; |
| endVector.append(areaSpan.endLine()); |
| std::sort(endVector.begin(), endVector.end()); |
| } |
| } |
| } |
| |
| inline Vector<GridTrackSize> BuilderConverter::convertGridTrackSizeList(BuilderState& builderState, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| ASSERT(downcast<CSSPrimitiveValue>(value).isValueID() && downcast<CSSPrimitiveValue>(value).valueID() == CSSValueAuto); |
| return RenderStyle::initialGridAutoRows(); |
| } |
| |
| ASSERT(value.isValueList()); |
| auto& valueList = downcast<CSSValueList>(value); |
| Vector<GridTrackSize> trackSizes; |
| trackSizes.reserveInitialCapacity(valueList.length()); |
| for (auto& currValue : valueList) { |
| ASSERT(!currValue->isGridLineNamesValue()); |
| ASSERT(!currValue->isGridAutoRepeatValue()); |
| ASSERT(!currValue->isGridIntegerRepeatValue()); |
| trackSizes.uncheckedAppend(convertGridTrackSize(builderState, currValue)); |
| } |
| return trackSizes; |
| } |
| |
| inline GridTrackSize BuilderConverter::convertGridTrackSize(BuilderState& builderState, const CSSValue& value) |
| { |
| return createGridTrackSize(value, builderState); |
| } |
| |
| inline std::optional<GridPosition> BuilderConverter::convertGridPosition(BuilderState&, const CSSValue& value) |
| { |
| GridPosition gridPosition; |
| if (createGridPosition(value, gridPosition)) |
| return gridPosition; |
| return std::nullopt; |
| } |
| |
| inline GridAutoFlow BuilderConverter::convertGridAutoFlow(BuilderState&, const CSSValue& value) |
| { |
| ASSERT(!is<CSSPrimitiveValue>(value) || downcast<CSSPrimitiveValue>(value).isValueID()); |
| |
| bool isValuelist = is<CSSValueList>(value); |
| if (isValuelist) { |
| auto& list = downcast<CSSValueList>(value); |
| if (!list.length()) |
| return RenderStyle::initialGridAutoFlow(); |
| } |
| |
| auto& first = downcast<CSSPrimitiveValue>(isValuelist ? *(downcast<CSSValueList>(value).item(0)) : value); |
| auto* second = downcast<CSSPrimitiveValue>(isValuelist && downcast<CSSValueList>(value).length() == 2 ? downcast<CSSValueList>(value).item(1) : nullptr); |
| |
| GridAutoFlow autoFlow; |
| switch (first.valueID()) { |
| case CSSValueRow: |
| if (second && second->valueID() == CSSValueDense) |
| autoFlow = AutoFlowRowDense; |
| else |
| autoFlow = AutoFlowRow; |
| break; |
| case CSSValueColumn: |
| if (second && second->valueID() == CSSValueDense) |
| autoFlow = AutoFlowColumnDense; |
| else |
| autoFlow = AutoFlowColumn; |
| break; |
| case CSSValueDense: |
| if (second && second->valueID() == CSSValueColumn) |
| autoFlow = AutoFlowColumnDense; |
| else |
| autoFlow = AutoFlowRowDense; |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| autoFlow = RenderStyle::initialGridAutoFlow(); |
| break; |
| } |
| |
| return autoFlow; |
| } |
| |
| inline float zoomWithTextZoomFactor(BuilderState& builderState) |
| { |
| if (auto* frame = builderState.document().frame()) { |
| float textZoomFactor = builderState.style().textZoom() != TextZoom::Reset ? frame->textZoomFactor() : 1.0f; |
| return builderState.style().effectiveZoom() * textZoomFactor; |
| } |
| return builderState.cssToLengthConversionData().zoom(); |
| } |
| |
| inline CSSToLengthConversionData BuilderConverter::csstoLengthConversionDataWithTextZoomFactor(BuilderState& builderState) |
| { |
| float zoom = zoomWithTextZoomFactor(builderState); |
| if (zoom == builderState.cssToLengthConversionData().zoom()) |
| return builderState.cssToLengthConversionData(); |
| |
| return builderState.cssToLengthConversionData().copyWithAdjustedZoom(zoom); |
| } |
| |
| inline std::optional<Length> BuilderConverter::convertWordSpacing(BuilderState& builderState, const CSSValue& value) |
| { |
| std::optional<Length> wordSpacing; |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.valueID() == CSSValueNormal) |
| wordSpacing = RenderStyle::initialWordSpacing(); |
| else if (primitiveValue.isLength()) |
| wordSpacing = primitiveValue.computeLength<Length>(csstoLengthConversionDataWithTextZoomFactor(builderState)); |
| else if (primitiveValue.isPercentage()) |
| wordSpacing = Length(clampTo<double>(primitiveValue.doubleValue(), minValueForCssLength, maxValueForCssLength), LengthType::Percent); |
| else if (primitiveValue.isNumber()) |
| wordSpacing = Length(primitiveValue.doubleValue(), LengthType::Fixed); |
| |
| return wordSpacing; |
| } |
| |
| inline std::optional<float> BuilderConverter::convertPerspective(BuilderState& builderState, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.valueID() == CSSValueNone) |
| return RenderStyle::initialPerspective(); |
| |
| float perspective = -1; |
| if (primitiveValue.isLength()) |
| perspective = primitiveValue.computeLength<float>(builderState.cssToLengthConversionData()); |
| else if (primitiveValue.isNumber()) |
| perspective = primitiveValue.doubleValue() * builderState.cssToLengthConversionData().zoom(); |
| else |
| ASSERT_NOT_REACHED(); |
| |
| return perspective < 0 ? std::optional<float>(std::nullopt) : std::optional<float>(perspective); |
| } |
| |
| inline std::optional<Length> BuilderConverter::convertMarqueeIncrement(BuilderState& builderState, const CSSValue& value) |
| { |
| Length length = downcast<CSSPrimitiveValue>(value).convertToLength<FixedIntegerConversion | PercentConversion | CalculatedConversion>(builderState.cssToLengthConversionData().copyWithAdjustedZoom(1.0f)); |
| if (length.isUndefined()) |
| return std::nullopt; |
| return length; |
| } |
| |
| inline std::optional<FilterOperations> BuilderConverter::convertFilterOperations(BuilderState& builderState, const CSSValue& value) |
| { |
| FilterOperations operations; |
| if (builderState.createFilterOperations(value, operations)) |
| return operations; |
| return std::nullopt; |
| } |
| |
| inline FontFeatureSettings BuilderConverter::convertFontFeatureSettings(BuilderState&, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| ASSERT(downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNormal); |
| return { }; |
| } |
| |
| FontFeatureSettings settings; |
| for (auto& item : downcast<CSSValueList>(value)) { |
| auto& feature = downcast<CSSFontFeatureValue>(item.get()); |
| settings.insert(FontFeature(feature.tag(), feature.value())); |
| } |
| return settings; |
| } |
| |
| inline FontSelectionValue BuilderConverter::convertFontWeightFromValue(const CSSValue& value) |
| { |
| ASSERT(is<CSSPrimitiveValue>(value)); |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| |
| if (primitiveValue.isNumber()) |
| return FontSelectionValue::clampFloat(primitiveValue.floatValue()); |
| |
| ASSERT(primitiveValue.isValueID()); |
| switch (primitiveValue.valueID()) { |
| case CSSValueNormal: |
| return normalWeightValue(); |
| case CSSValueBold: |
| case CSSValueBolder: |
| return boldWeightValue(); |
| case CSSValueLighter: |
| return lightWeightValue(); |
| default: |
| ASSERT_NOT_REACHED(); |
| return normalWeightValue(); |
| } |
| } |
| |
| inline FontSelectionValue BuilderConverter::convertFontStretchFromValue(const CSSValue& value) |
| { |
| ASSERT(is<CSSPrimitiveValue>(value)); |
| const auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| |
| if (primitiveValue.isPercentage()) |
| return FontSelectionValue::clampFloat(primitiveValue.floatValue()); |
| |
| ASSERT(primitiveValue.isValueID()); |
| if (auto value = fontStretchValue(primitiveValue.valueID())) |
| return value.value(); |
| ASSERT_NOT_REACHED(); |
| return normalStretchValue(); |
| } |
| |
| // The input value needs to parsed and valid, this function returns std::nullopt if the input was "normal". |
| inline std::optional<FontSelectionValue> BuilderConverter::convertFontStyleFromValue(const CSSValue& value) |
| { |
| ASSERT(is<CSSFontStyleValue>(value)); |
| const auto& fontStyleValue = downcast<CSSFontStyleValue>(value); |
| |
| auto valueID = fontStyleValue.fontStyleValue->valueID(); |
| if (valueID == CSSValueNormal) |
| return std::nullopt; |
| if (valueID == CSSValueItalic) |
| return italicValue(); |
| ASSERT(valueID == CSSValueOblique); |
| if (auto* obliqueValue = fontStyleValue.obliqueValue.get()) |
| return FontSelectionValue(obliqueValue->value<float>(CSSUnitType::CSS_DEG)); |
| return italicValue(); |
| } |
| |
| inline FontSelectionValue BuilderConverter::convertFontWeight(BuilderState& builderState, const CSSValue& value) |
| { |
| ASSERT(is<CSSPrimitiveValue>(value)); |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.isValueID()) { |
| auto valueID = primitiveValue.valueID(); |
| if (valueID == CSSValueBolder) |
| return FontCascadeDescription::bolderWeight(builderState.parentStyle().fontDescription().weight()); |
| if (valueID == CSSValueLighter) |
| return FontCascadeDescription::lighterWeight(builderState.parentStyle().fontDescription().weight()); |
| if (CSSPropertyParserHelpers::isSystemFontShorthand(valueID)) |
| return SystemFontDatabase::singleton().systemFontShorthandWeight(CSSPropertyParserHelpers::lowerFontShorthand(valueID)); |
| } |
| return convertFontWeightFromValue(value); |
| } |
| |
| inline FontVariantCaps BuilderConverter::convertFontVariantCaps(BuilderState&, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| auto valueID = primitiveValue.valueID(); |
| if (CSSPropertyParserHelpers::isSystemFontShorthand(valueID)) |
| return FontVariantCaps::Normal; |
| |
| return static_cast<FontVariantCaps>(primitiveValue); |
| } |
| |
| inline FontSelectionValue BuilderConverter::convertFontStretch(BuilderState&, const CSSValue& value) |
| { |
| return convertFontStretchFromValue(value); |
| } |
| |
| inline FontVariationSettings BuilderConverter::convertFontVariationSettings(BuilderState&, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| ASSERT(downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNormal); |
| return { }; |
| } |
| |
| FontVariationSettings settings; |
| for (auto& item : downcast<CSSValueList>(value)) { |
| auto& feature = downcast<CSSFontVariationValue>(item.get()); |
| settings.insert({ feature.tag(), feature.value() }); |
| } |
| return settings; |
| } |
| |
| #if PLATFORM(IOS_FAMILY) |
| inline bool BuilderConverter::convertTouchCallout(BuilderState&, const CSSValue& value) |
| { |
| return !equalLettersIgnoringASCIICase(downcast<CSSPrimitiveValue>(value).stringValue(), "none"_s); |
| } |
| #endif |
| |
| #if ENABLE(TOUCH_EVENTS) |
| inline Color BuilderConverter::convertTapHighlightColor(BuilderState& builderState, const CSSValue& value) |
| { |
| return builderState.colorFromPrimitiveValue(downcast<CSSPrimitiveValue>(value)); |
| } |
| #endif |
| |
| inline OptionSet<TouchAction> BuilderConverter::convertTouchAction(BuilderState&, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) |
| return downcast<CSSPrimitiveValue>(value); |
| |
| if (is<CSSValueList>(value)) { |
| OptionSet<TouchAction> touchActions; |
| for (auto& currentValue : downcast<CSSValueList>(value)) { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(currentValue.get()); |
| auto primitiveValueID = primitiveValue.valueID(); |
| if (primitiveValueID != CSSValuePanX && primitiveValueID != CSSValuePanY && primitiveValueID != CSSValuePinchZoom) |
| return RenderStyle::initialTouchActions(); |
| touchActions.add(primitiveValue); |
| } |
| return touchActions; |
| } |
| |
| return RenderStyle::initialTouchActions(); |
| } |
| |
| #if ENABLE(OVERFLOW_SCROLLING_TOUCH) |
| inline bool BuilderConverter::convertOverflowScrolling(BuilderState&, const CSSValue& value) |
| { |
| return downcast<CSSPrimitiveValue>(value).valueID() == CSSValueTouch; |
| } |
| #endif |
| |
| inline bool BuilderConverter::convertSmoothScrolling(BuilderState&, const CSSValue& value) |
| { |
| return downcast<CSSPrimitiveValue>(value).valueID() == CSSValueSmooth; |
| } |
| |
| inline SVGLengthValue BuilderConverter::convertSVGLengthValue(BuilderState&, const CSSValue& value) |
| { |
| return SVGLengthValue::fromCSSPrimitiveValue(downcast<CSSPrimitiveValue>(value)); |
| } |
| |
| inline Vector<SVGLengthValue> BuilderConverter::convertSVGLengthVector(BuilderState& builderState, const CSSValue& value) |
| { |
| auto& valueList = downcast<CSSValueList>(value); |
| |
| Vector<SVGLengthValue> svgLengths; |
| svgLengths.reserveInitialCapacity(valueList.length()); |
| for (auto& item : valueList) |
| svgLengths.uncheckedAppend(convertSVGLengthValue(builderState, item)); |
| |
| return svgLengths; |
| } |
| |
| inline Vector<SVGLengthValue> BuilderConverter::convertStrokeDashArray(BuilderState& builderState, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| ASSERT(downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNone); |
| return SVGRenderStyle::initialStrokeDashArray(); |
| } |
| |
| return convertSVGLengthVector(builderState, value); |
| } |
| |
| inline PaintOrder BuilderConverter::convertPaintOrder(BuilderState&, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| ASSERT(downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNormal); |
| return PaintOrder::Normal; |
| } |
| |
| auto& orderTypeList = downcast<CSSValueList>(value); |
| switch (downcast<CSSPrimitiveValue>(*orderTypeList.itemWithoutBoundsCheck(0)).valueID()) { |
| case CSSValueFill: |
| return orderTypeList.length() > 1 ? PaintOrder::FillMarkers : PaintOrder::Fill; |
| case CSSValueStroke: |
| return orderTypeList.length() > 1 ? PaintOrder::StrokeMarkers : PaintOrder::Stroke; |
| case CSSValueMarkers: |
| return orderTypeList.length() > 1 ? PaintOrder::MarkersStroke : PaintOrder::Markers; |
| default: |
| ASSERT_NOT_REACHED(); |
| return PaintOrder::Normal; |
| } |
| } |
| |
| inline float BuilderConverter::convertOpacity(BuilderState&, const CSSValue& value) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| float opacity = primitiveValue.floatValue(); |
| if (primitiveValue.isPercentage()) |
| opacity /= 100.0f; |
| return std::max(0.0f, std::min(1.0f, opacity)); |
| } |
| |
| inline String BuilderConverter::convertSVGURIReference(BuilderState& builderState, const CSSValue& value) |
| { |
| String s; |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (primitiveValue.isURI()) |
| s = primitiveValue.stringValue(); |
| |
| return SVGURIReference::fragmentIdentifierFromIRIString(s, builderState.document()); |
| } |
| |
| inline StyleSelfAlignmentData BuilderConverter::convertSelfOrDefaultAlignmentData(BuilderState&, const CSSValue& value) |
| { |
| StyleSelfAlignmentData alignmentData = RenderStyle::initialSelfAlignment(); |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| if (Pair* pairValue = primitiveValue.pairValue()) { |
| if (pairValue->first()->valueID() == CSSValueLegacy) { |
| alignmentData.setPositionType(ItemPositionType::Legacy); |
| alignmentData.setPosition(*pairValue->second()); |
| } else if (pairValue->first()->valueID() == CSSValueFirst) |
| alignmentData.setPosition(ItemPosition::Baseline); |
| else if (pairValue->first()->valueID() == CSSValueLast) |
| alignmentData.setPosition(ItemPosition::LastBaseline); |
| else { |
| alignmentData.setOverflow(*pairValue->first()); |
| alignmentData.setPosition(*pairValue->second()); |
| } |
| } else |
| alignmentData.setPosition(primitiveValue); |
| return alignmentData; |
| } |
| |
| inline StyleContentAlignmentData BuilderConverter::convertContentAlignmentData(BuilderState&, const CSSValue& value) |
| { |
| StyleContentAlignmentData alignmentData = RenderStyle::initialContentAlignment(); |
| if (!is<CSSContentDistributionValue>(value)) |
| return alignmentData; |
| auto& contentValue = downcast<CSSContentDistributionValue>(value); |
| if (contentValue.distribution()->valueID() != CSSValueInvalid) |
| alignmentData.setDistribution(contentValue.distribution().get()); |
| if (contentValue.position()->valueID() != CSSValueInvalid) |
| alignmentData.setPosition(contentValue.position().get()); |
| if (contentValue.overflow()->valueID() != CSSValueInvalid) |
| alignmentData.setOverflow(contentValue.overflow().get()); |
| return alignmentData; |
| } |
| |
| inline GlyphOrientation BuilderConverter::convertGlyphOrientation(BuilderState&, const CSSValue& value) |
| { |
| float angle = fabsf(fmodf(downcast<CSSPrimitiveValue>(value).floatValue(), 360.0f)); |
| if (angle <= 45.0f || angle > 315.0f) |
| return GlyphOrientation::Degrees0; |
| if (angle > 45.0f && angle <= 135.0f) |
| return GlyphOrientation::Degrees90; |
| if (angle > 135.0f && angle <= 225.0f) |
| return GlyphOrientation::Degrees180; |
| return GlyphOrientation::Degrees270; |
| } |
| |
| inline GlyphOrientation BuilderConverter::convertGlyphOrientationOrAuto(BuilderState& builderState, const CSSValue& value) |
| { |
| if (downcast<CSSPrimitiveValue>(value).valueID() == CSSValueAuto) |
| return GlyphOrientation::Auto; |
| return convertGlyphOrientation(builderState, value); |
| } |
| |
| inline std::optional<Length> BuilderConverter::convertLineHeight(BuilderState& builderState, const CSSValue& value, float multiplier) |
| { |
| auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| auto valueID = primitiveValue.valueID(); |
| if (valueID == CSSValueNormal) |
| return RenderStyle::initialLineHeight(); |
| |
| if (CSSPropertyParserHelpers::isSystemFontShorthand(valueID)) |
| return RenderStyle::initialLineHeight(); |
| |
| if (primitiveValue.isLength()) { |
| auto conversionData = builderState.cssToLengthConversionData().copyForLineHeight(zoomWithTextZoomFactor(builderState)); |
| Length length = primitiveValue.computeLength<Length>(conversionData); |
| if (multiplier != 1.f) |
| length = Length(length.value() * multiplier, LengthType::Fixed); |
| return length; |
| } |
| |
| // Line-height percentages need to inherit as if they were Fixed pixel values. In the example: |
| // <div style="font-size: 10px; line-height: 150%;"><div style="font-size: 100px;"></div></div> |
| // the inner element should have line-height of 15px. However, in this example: |
| // <div style="font-size: 10px; line-height: 1.5;"><div style="font-size: 100px;"></div></div> |
| // the inner element should have a line-height of 150px. Therefore, we map percentages to Fixed |
| // values and raw numbers to percentages. |
| if (primitiveValue.isPercentage()) { |
| // FIXME: percentage should not be restricted to an integer here. |
| return Length((builderState.style().computedFontSize() * primitiveValue.intValue()) / 100, LengthType::Fixed); |
| } |
| if (primitiveValue.isNumber()) |
| return Length(primitiveValue.doubleValue() * 100.0, LengthType::Percent); |
| |
| // FIXME: The parser should only emit the above types, so this should never be reached. We should change the |
| // type of this function to return just a Length (and not an Optional). |
| return std::nullopt; |
| } |
| |
| inline FontSynthesis BuilderConverter::convertFontSynthesis(BuilderState&, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| ASSERT(downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNone); |
| return FontSynthesisNone; |
| } |
| |
| FontSynthesis result = FontSynthesisNone; |
| ASSERT(is<CSSValueList>(value)); |
| for (const CSSValue& v : downcast<CSSValueList>(value)) { |
| switch (downcast<CSSPrimitiveValue>(v).valueID()) { |
| case CSSValueWeight: |
| result |= FontSynthesisWeight; |
| break; |
| case CSSValueStyle: |
| result |= FontSynthesisStyle; |
| break; |
| case CSSValueSmallCaps: |
| result |= FontSynthesisSmallCaps; |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| break; |
| } |
| } |
| |
| return result; |
| } |
| |
| inline FontPalette BuilderConverter::convertFontPalette(BuilderState&, const CSSValue& value) |
| { |
| ASSERT(is<CSSPrimitiveValue>(value)); |
| const auto& primitiveValue = downcast<CSSPrimitiveValue>(value); |
| switch (primitiveValue.valueID()) { |
| case CSSValueNormal: |
| return { FontPalette::Type::Normal, nullAtom() }; |
| case CSSValueLight: |
| return { FontPalette::Type::Light, nullAtom() }; |
| case CSSValueDark: |
| return { FontPalette::Type::Dark, nullAtom() }; |
| case CSSValueInvalid: |
| ASSERT(primitiveValue.isCustomIdent()); |
| return { FontPalette::Type::Custom, AtomString { primitiveValue.stringValue() } }; |
| default: |
| ASSERT_NOT_REACHED(); |
| return { FontPalette::Type::Normal, nullAtom() }; |
| } |
| } |
| |
| inline OptionSet<SpeakAs> BuilderConverter::convertSpeakAs(BuilderState&, const CSSValue& value) |
| { |
| auto result = RenderStyle::initialSpeakAs(); |
| if (is<CSSValueList>(value)) { |
| for (auto& currentValue : downcast<CSSValueList>(value)) |
| result.add(downcast<CSSPrimitiveValue>(currentValue.get())); |
| } |
| return result; |
| } |
| |
| inline OptionSet<HangingPunctuation> BuilderConverter::convertHangingPunctuation(BuilderState&, const CSSValue& value) |
| { |
| auto result = RenderStyle::initialHangingPunctuation(); |
| if (is<CSSValueList>(value)) { |
| for (auto& currentValue : downcast<CSSValueList>(value)) |
| result.add(downcast<CSSPrimitiveValue>(currentValue.get())); |
| } |
| return result; |
| } |
| |
| inline GapLength BuilderConverter::convertGapLength(BuilderState& builderState, const CSSValue& value) |
| { |
| return (downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNormal) ? GapLength() : GapLength(convertLength(builderState, value)); |
| } |
| |
| inline OffsetRotation BuilderConverter::convertOffsetRotate(BuilderState&, const CSSValue& value) |
| { |
| bool hasAuto = false; |
| float angleInDegrees = 0; |
| |
| const auto& offsetRotateValue = downcast<CSSOffsetRotateValue>(value); |
| |
| if (auto* angleValue = offsetRotateValue.angle()) |
| angleInDegrees = static_cast<float>(angleValue->computeDegrees()); |
| |
| if (auto* modifierValue = offsetRotateValue.modifier()) { |
| switch (modifierValue->valueID()) { |
| case CSSValueAuto: |
| hasAuto = true; |
| break; |
| case CSSValueReverse: |
| hasAuto = true; |
| angleInDegrees += 180.0; |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| } |
| |
| return OffsetRotation(hasAuto, angleInDegrees); |
| } |
| |
| inline Vector<AtomString> BuilderConverter::convertContainerName(BuilderState&, const CSSValue& value) |
| { |
| if (is<CSSPrimitiveValue>(value)) { |
| ASSERT(downcast<CSSPrimitiveValue>(value).valueID() == CSSValueNone); |
| return { }; |
| } |
| if (!is<CSSValueList>(value)) |
| return { }; |
| |
| return WTF::map(downcast<CSSValueList>(value), [](auto& item) { |
| return AtomString { downcast<CSSPrimitiveValue>(item.get()).stringValue() }; |
| }); |
| } |
| |
| } // namespace Style |
| } // namespace WebCore |
