float ViewportStyleResolver::viewportArgumentValue(CSSPropertyID id) const
{
float defaultValue = ViewportDescription::ValueAuto;
// UserZoom default value is CSSValueZoom, which maps to true, meaning that
// yes, it is user scalable. When the value is set to CSSValueFixed, we
// return false.
if (id == CSSPropertyUserZoom)
defaultValue = 1;
RefPtr<CSSValue> value = m_propertySet->getPropertyCSSValue(id);
if (!value || !value->isPrimitiveValue())
return defaultValue;
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value.get());
if (primitiveValue->isNumber() || primitiveValue->isPx())
return primitiveValue->getFloatValue();
if (primitiveValue->isFontRelativeLength())
return primitiveValue->getFloatValue() * m_document->renderStyle()->fontDescription().computedSize();
if (primitiveValue->isPercentage()) {
float percentValue = primitiveValue->getFloatValue() / 100.0f;
switch (id) {
case CSSPropertyMaxZoom:
case CSSPropertyMinZoom:
case CSSPropertyZoom:
return percentValue;
default:
ASSERT_NOT_REACHED();
break;
}
}
switch (primitiveValue->getValueID()) {
case CSSValueAuto:
return defaultValue;
case CSSValueLandscape:
return ViewportDescription::ValueLandscape;
case CSSValuePortrait:
return ViewportDescription::ValuePortrait;
case CSSValueZoom:
return defaultValue;
case CSSValueInternalExtendToZoom:
return ViewportDescription::ValueExtendToZoom;
case CSSValueFixed:
return 0;
default:
return defaultValue;
}
}
void CSSToStyleMap::mapNinePieceImageRepeat(CSSValue* value, NinePieceImage& image)
{
if (!value || !value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
Pair* pair = primitiveValue->getPairValue();
if (!pair || !pair->first() || !pair->second())
return;
CSSValueID firstIdentifier = pair->first()->getValueID();
CSSValueID secondIdentifier = pair->second()->getValueID();
ENinePieceImageRule horizontalRule;
switch (firstIdentifier) {
case CSSValueStretch:
horizontalRule = StretchImageRule;
break;
case CSSValueRound:
horizontalRule = RoundImageRule;
break;
case CSSValueSpace:
horizontalRule = SpaceImageRule;
break;
default: // CSSValueRepeat
horizontalRule = RepeatImageRule;
break;
}
image.setHorizontalRule(horizontalRule);
ENinePieceImageRule verticalRule;
switch (secondIdentifier) {
case CSSValueStretch:
verticalRule = StretchImageRule;
break;
case CSSValueRound:
verticalRule = RoundImageRule;
break;
case CSSValueSpace:
verticalRule = SpaceImageRule;
break;
default: // CSSValueRepeat
verticalRule = RepeatImageRule;
break;
}
image.setVerticalRule(verticalRule);
}
static v8::Handle<v8::Value> setFloatValueCallback(const v8::Arguments& args)
{
INC_STATS("DOM.CSSPrimitiveValue.setFloatValue");
CSSPrimitiveValue* imp = V8CSSPrimitiveValue::toNative(args.Holder());
ExceptionCode ec = 0;
{
EXCEPTION_BLOCK(int, unitType, toUInt32(MAYBE_MISSING_PARAMETER(args, 0, MissingIsUndefined)));
EXCEPTION_BLOCK(float, floatValue, static_cast<float>(MAYBE_MISSING_PARAMETER(args, 1, MissingIsUndefined)->NumberValue()));
imp->setFloatValue(unitType, floatValue, ec);
if (UNLIKELY(ec))
goto fail;
return v8::Handle<v8::Value>();
}
fail:
V8Proxy::setDOMException(ec);
return v8::Handle<v8::Value>();
}
void StyleBuilderFunctions::applyValueCSSPropertyWebkitClipPath(StyleResolverState& state, CSSValue* value)
{
if (value->isBasicShapeValue()) {
state.style()->setClipPath(ShapeClipPathOperation::create(basicShapeForValue(state, *value)));
}
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
if (primitiveValue->getValueID() == CSSValueNone) {
state.style()->setClipPath(nullptr);
} else if (primitiveValue->isURI()) {
String cssURLValue = primitiveValue->getStringValue();
KURL url = state.document().completeURL(cssURLValue);
// FIXME: It doesn't work with forward or external SVG references (see https://bugs.webkit.org/show_bug.cgi?id=90405)
state.style()->setClipPath(ReferenceClipPathOperation::create(cssURLValue, AtomicString(url.fragmentIdentifier())));
}
}
}
void CSSToStyleMap::mapAnimationTimingFunction(Animation* animation, CSSValue* value)
{
if (value->isInitialValue()) {
animation->setTimingFunction(Animation::initialAnimationTimingFunction());
return;
}
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch (primitiveValue->getValueID()) {
case CSSValueLinear:
animation->setTimingFunction(LinearTimingFunction::create());
break;
case CSSValueEase:
animation->setTimingFunction(CubicBezierTimingFunction::create());
break;
case CSSValueEaseIn:
animation->setTimingFunction(CubicBezierTimingFunction::create(CubicBezierTimingFunction::EaseIn));
break;
case CSSValueEaseOut:
animation->setTimingFunction(CubicBezierTimingFunction::create(CubicBezierTimingFunction::EaseOut));
break;
case CSSValueEaseInOut:
animation->setTimingFunction(CubicBezierTimingFunction::create(CubicBezierTimingFunction::EaseInOut));
break;
case CSSValueStepStart:
animation->setTimingFunction(StepsTimingFunction::create(1, true));
break;
case CSSValueStepEnd:
animation->setTimingFunction(StepsTimingFunction::create(1, false));
break;
default:
break;
}
return;
}
if (value->isCubicBezierTimingFunctionValue()) {
CSSCubicBezierTimingFunctionValue* cubicTimingFunction = static_cast<CSSCubicBezierTimingFunctionValue*>(value);
animation->setTimingFunction(CubicBezierTimingFunction::create(cubicTimingFunction->x1(), cubicTimingFunction->y1(), cubicTimingFunction->x2(), cubicTimingFunction->y2()));
} else if (value->isStepsTimingFunctionValue()) {
CSSStepsTimingFunctionValue* stepsTimingFunction = static_cast<CSSStepsTimingFunctionValue*>(value);
animation->setTimingFunction(StepsTimingFunction::create(stepsTimingFunction->numberOfSteps(), stepsTimingFunction->stepAtStart()));
} else if (value->isLinearTimingFunctionValue())
animation->setTimingFunction(LinearTimingFunction::create());
}
static v8::Handle<v8::Value> setStringValueCallback(const v8::Arguments& args)
{
INC_STATS("DOM.CSSPrimitiveValue.setStringValue");
CSSPrimitiveValue* imp = V8CSSPrimitiveValue::toNative(args.Holder());
ExceptionCode ec = 0;
{
EXCEPTION_BLOCK(int, stringType, toUInt32(MAYBE_MISSING_PARAMETER(args, 0, MissingIsUndefined)));
STRING_TO_V8PARAMETER_EXCEPTION_BLOCK(V8Parameter<>, stringValue, MAYBE_MISSING_PARAMETER(args, 1, MissingIsUndefined));
imp->setStringValue(stringType, stringValue, ec);
if (UNLIKELY(ec))
goto fail;
return v8::Handle<v8::Value>();
}
fail:
V8Proxy::setDOMException(ec);
return v8::Handle<v8::Value>();
}
void StyleBuilderFunctions::applyValueCSSPropertyTransformOrigin(StyleResolverState& state, CSSValue* value)
{
CSSValueList* list = toCSSValueList(value);
ASSERT(list->length() == 3);
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(list->item(0));
if (primitiveValue->isValueID()) {
switch (primitiveValue->getValueID()) {
case CSSValueLeft:
state.style()->setTransformOriginX(Length(0, Percent));
break;
case CSSValueRight:
state.style()->setTransformOriginX(Length(100, Percent));
break;
case CSSValueCenter:
state.style()->setTransformOriginX(Length(50, Percent));
break;
default:
ASSERT_NOT_REACHED();
}
} else {
state.style()->setTransformOriginX(StyleBuilderConverter::convertLength(state, primitiveValue));
}
primitiveValue = toCSSPrimitiveValue(list->item(1));
if (primitiveValue->isValueID()) {
switch (primitiveValue->getValueID()) {
case CSSValueTop:
state.style()->setTransformOriginY(Length(0, Percent));
break;
case CSSValueBottom:
state.style()->setTransformOriginY(Length(100, Percent));
break;
case CSSValueCenter:
state.style()->setTransformOriginY(Length(50, Percent));
break;
default:
ASSERT_NOT_REACHED();
}
} else {
state.style()->setTransformOriginY(StyleBuilderConverter::convertLength(state, primitiveValue));
}
primitiveValue = toCSSPrimitiveValue(list->item(2));
state.style()->setTransformOriginZ(StyleBuilderConverter::convertComputedLength<float>(state, primitiveValue));
}
FontDescription::VariantLigatures StyleBuilderConverter::convertFontVariantLigatures(StyleResolverState&, CSSValue* value)
{
if (value->isValueList()) {
FontDescription::VariantLigatures ligatures;
CSSValueList* valueList = toCSSValueList(value);
for (size_t i = 0; i < valueList->length(); ++i) {
CSSValue* item = valueList->item(i);
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(item);
switch (primitiveValue->getValueID()) {
case CSSValueNoCommonLigatures:
ligatures.common = FontDescription::DisabledLigaturesState;
break;
case CSSValueCommonLigatures:
ligatures.common = FontDescription::EnabledLigaturesState;
break;
case CSSValueNoDiscretionaryLigatures:
ligatures.discretionary = FontDescription::DisabledLigaturesState;
break;
case CSSValueDiscretionaryLigatures:
ligatures.discretionary = FontDescription::EnabledLigaturesState;
break;
case CSSValueNoHistoricalLigatures:
ligatures.historical = FontDescription::DisabledLigaturesState;
break;
case CSSValueHistoricalLigatures:
ligatures.historical = FontDescription::EnabledLigaturesState;
break;
case CSSValueNoContextual:
ligatures.contextual = FontDescription::DisabledLigaturesState;
break;
case CSSValueContextual:
ligatures.contextual = FontDescription::EnabledLigaturesState;
break;
default:
ASSERT_NOT_REACHED();
break;
}
}
return ligatures;
}
ASSERT_WITH_SECURITY_IMPLICATION(value->isPrimitiveValue());
ASSERT(toCSSPrimitiveValue(value)->getValueID() == CSSValueNormal);
return FontDescription::VariantLigatures();
}
void CSSToStyleMap::mapFillYPosition(CSSPropertyID propertyID, FillLayer* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setYPosition(FillLayer::initialFillYPosition(layer->type()));
return;
}
if (!is<CSSPrimitiveValue>(*value))
return;
CSSPrimitiveValue* primitiveValue = downcast<CSSPrimitiveValue>(value);
Pair* pair = primitiveValue->getPairValue();
if (pair) {
ASSERT_UNUSED(propertyID, propertyID == CSSPropertyBackgroundPositionY || propertyID == CSSPropertyWebkitMaskPositionY);
primitiveValue = pair->second();
}
Length length;
if (primitiveValue->isLength())
length = primitiveValue->computeLength<Length>(m_resolver->state().cssToLengthConversionData());
else if (primitiveValue->isPercentage())
length = Length(primitiveValue->getDoubleValue(), Percent);
else if (primitiveValue->isCalculatedPercentageWithLength())
length = Length(primitiveValue->cssCalcValue()->createCalculationValue(m_resolver->state().cssToLengthConversionData()));
else
return;
layer->setYPosition(length);
if (pair)
layer->setBackgroundYOrigin(*(pair->first()));
}
Length ViewportStyleResolver::viewportLengthValue(CSSPropertyID id) const
{
ASSERT(id == CSSPropertyMaxHeight
|| id == CSSPropertyMinHeight
|| id == CSSPropertyMaxWidth
|| id == CSSPropertyMinWidth);
RefPtr<CSSValue> value = m_propertySet->getPropertyCSSValue(id);
if (!value || !value->isPrimitiveValue())
return Length(); // auto
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value.get());
if (primitiveValue->isLength())
return primitiveValue->computeLength<Length>(m_document->renderStyle(), m_document->renderStyle());
if (primitiveValue->isViewportPercentageLength())
return primitiveValue->viewportPercentageLength();
if (primitiveValue->isPercentage())
return Length(primitiveValue->getFloatValue(), Percent);
switch (primitiveValue->getValueID()) {
case CSSValueInternalExtendToZoom:
return Length(ExtendToZoom);
case CSSValueAuto:
return Length();
default:
// Unrecognized keyword.
ASSERT_NOT_REACHED();
return Length(0, Fixed);
}
}
bool CSSPrimitiveValue::equals(const CSSPrimitiveValue& other) const
{
if (type() != other.type())
return false;
switch (type()) {
case UnitType::Unknown:
return false;
case UnitType::Number:
case UnitType::Percentage:
case UnitType::Ems:
case UnitType::Exs:
case UnitType::Rems:
case UnitType::Pixels:
case UnitType::Centimeters:
case UnitType::DotsPerPixel:
case UnitType::DotsPerInch:
case UnitType::DotsPerCentimeter:
case UnitType::Millimeters:
case UnitType::Inches:
case UnitType::Points:
case UnitType::Picas:
case UnitType::Degrees:
case UnitType::Radians:
case UnitType::Gradians:
case UnitType::Milliseconds:
case UnitType::Seconds:
case UnitType::Hertz:
case UnitType::Kilohertz:
case UnitType::Turns:
case UnitType::ViewportWidth:
case UnitType::ViewportHeight:
case UnitType::ViewportMin:
case UnitType::ViewportMax:
case UnitType::Fraction:
return m_value.num == other.m_value.num;
case UnitType::PropertyID:
return m_value.propertyID == other.m_value.propertyID;
case UnitType::ValueID:
return m_value.valueID == other.m_value.valueID;
case UnitType::CustomIdentifier:
case UnitType::String:
case UnitType::URI:
return equal(m_value.string, other.m_value.string);
case UnitType::RGBColor:
return m_value.rgbcolor == other.m_value.rgbcolor;
case UnitType::Calc:
return m_value.calc && other.m_value.calc && m_value.calc->equals(*other.m_value.calc);
case UnitType::Integer:
case UnitType::Chs:
case UnitType::CalcPercentageWithNumber:
case UnitType::CalcPercentageWithLength:
case UnitType::QuirkyEms:
return false;
}
return false;
}
LengthBox CSSToStyleMap::mapNinePieceImageQuad(CSSValue* value)
{
if (!value || !value->isPrimitiveValue())
return LengthBox();
// Get our zoom value.
CSSToLengthConversionData conversionData = useSVGZoomRules() ? m_resolver->state().cssToLengthConversionData().copyWithAdjustedZoom(1.0f) : m_resolver->state().cssToLengthConversionData();
// Retrieve the primitive value.
CSSPrimitiveValue* borderWidths = toCSSPrimitiveValue(value);
// Set up a length box to represent our image slices.
LengthBox box; // Defaults to 'auto' so we don't have to handle that explicitly below.
Quad* slices = borderWidths->getQuadValue();
if (slices->top()->isNumber())
box.m_top = Length(slices->top()->getIntValue(), Relative);
else if (slices->top()->isPercentage())
box.m_top = Length(slices->top()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->top()->getValueID() != CSSValueAuto)
box.m_top = slices->top()->computeLength<Length>(conversionData);
if (slices->right()->isNumber())
box.m_right = Length(slices->right()->getIntValue(), Relative);
else if (slices->right()->isPercentage())
box.m_right = Length(slices->right()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->right()->getValueID() != CSSValueAuto)
box.m_right = slices->right()->computeLength<Length>(conversionData);
if (slices->bottom()->isNumber())
box.m_bottom = Length(slices->bottom()->getIntValue(), Relative);
else if (slices->bottom()->isPercentage())
box.m_bottom = Length(slices->bottom()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->bottom()->getValueID() != CSSValueAuto)
box.m_bottom = slices->bottom()->computeLength<Length>(conversionData);
if (slices->left()->isNumber())
box.m_left = Length(slices->left()->getIntValue(), Relative);
else if (slices->left()->isPercentage())
box.m_left = Length(slices->left()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->left()->getValueID() != CSSValueAuto)
box.m_left = slices->left()->computeLength<Length>(conversionData);
return box;
}
LengthBox CSSToStyleMap::mapNinePieceImageQuad(CSSValue* value)
{
if (!value || !value->isPrimitiveValue())
return LengthBox();
// Get our zoom value.
float zoom = useSVGZoomRules() ? 1.0f : style()->effectiveZoom();
// Retrieve the primitive value.
CSSPrimitiveValue* borderWidths = static_cast<CSSPrimitiveValue*>(value);
// Set up a length box to represent our image slices.
LengthBox box; // Defaults to 'auto' so we don't have to handle that explicitly below.
Quad* slices = borderWidths->getQuadValue();
if (slices->top()->isNumber())
box.m_top = Length(slices->top()->getIntValue(), Relative);
else if (slices->top()->isPercentage())
box.m_top = Length(slices->top()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->top()->getValueID() != CSSValueAuto)
box.m_top = slices->top()->computeLength<Length>(style(), rootElementStyle(), zoom);
if (slices->right()->isNumber())
box.m_right = Length(slices->right()->getIntValue(), Relative);
else if (slices->right()->isPercentage())
box.m_right = Length(slices->right()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->right()->getValueID() != CSSValueAuto)
box.m_right = slices->right()->computeLength<Length>(style(), rootElementStyle(), zoom);
if (slices->bottom()->isNumber())
box.m_bottom = Length(slices->bottom()->getIntValue(), Relative);
else if (slices->bottom()->isPercentage())
box.m_bottom = Length(slices->bottom()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->bottom()->getValueID() != CSSValueAuto)
box.m_bottom = slices->bottom()->computeLength<Length>(style(), rootElementStyle(), zoom);
if (slices->left()->isNumber())
box.m_left = Length(slices->left()->getIntValue(), Relative);
else if (slices->left()->isPercentage())
box.m_left = Length(slices->left()->getDoubleValue(CSSPrimitiveValue::CSS_PERCENTAGE), Percent);
else if (slices->left()->getValueID() != CSSValueAuto)
box.m_left = slices->left()->computeLength<Length>(style(), rootElementStyle(), zoom);
return box;
}
void CSSToStyleMap::mapFillSize(CSSPropertyID, FillLayer* layer, CSSValue* value)
{
if (!value->isPrimitiveValue()) {
layer->setSizeType(SizeNone);
return;
}
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->getValueID() == CSSValueContain)
layer->setSizeType(Contain);
else if (primitiveValue->getValueID() == CSSValueCover)
layer->setSizeType(Cover);
else
layer->setSizeType(SizeLength);
LengthSize b = FillLayer::initialFillSizeLength(layer->type());
if (value->isInitialValue() || primitiveValue->getValueID() == CSSValueContain || primitiveValue->getValueID() == CSSValueCover) {
layer->setSizeLength(b);
return;
}
float zoomFactor = style()->effectiveZoom();
Length firstLength;
Length secondLength;
if (Pair* pair = primitiveValue->getPairValue()) {
CSSPrimitiveValue* first = static_cast<CSSPrimitiveValue*>(pair->first());
CSSPrimitiveValue* second = static_cast<CSSPrimitiveValue*>(pair->second());
firstLength = first->convertToLength<AnyConversion>(style(), rootElementStyle(), zoomFactor);
secondLength = second->convertToLength<AnyConversion>(style(), rootElementStyle(), zoomFactor);
} else {
firstLength = primitiveValue->convertToLength<AnyConversion>(style(), rootElementStyle(), zoomFactor);
secondLength = Length();
}
if (firstLength.isUndefined() || secondLength.isUndefined())
return;
b.setWidth(firstLength);
b.setHeight(secondLength);
layer->setSizeLength(b);
}
static bool computeLength(CSSValue* value, bool strict, const CSSToLengthConversionData& conversionData, int& result)
{
if (!value->isPrimitiveValue())
return false;
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
if (primitiveValue->isNumber()) {
result = primitiveValue->getIntValue();
return !strict || !result;
}
if (primitiveValue->isLength()) {
result = primitiveValue->computeLength<int>(conversionData);
return true;
}
return false;
}
SVGLengthValue SVGLengthValue::fromCSSPrimitiveValue(const CSSPrimitiveValue& value)
{
SVGLengthType type;
switch (value.primitiveType()) {
case CSSPrimitiveValue::CSS_NUMBER:
type = LengthTypeNumber;
break;
case CSSPrimitiveValue::CSS_PERCENTAGE:
type = LengthTypePercentage;
break;
case CSSPrimitiveValue::CSS_EMS:
type = LengthTypeEMS;
break;
case CSSPrimitiveValue::CSS_EXS:
type = LengthTypeEXS;
break;
case CSSPrimitiveValue::CSS_PX:
type = LengthTypePX;
break;
case CSSPrimitiveValue::CSS_CM:
type = LengthTypeCM;
break;
case CSSPrimitiveValue::CSS_MM:
type = LengthTypeMM;
break;
case CSSPrimitiveValue::CSS_IN:
type = LengthTypeIN;
break;
case CSSPrimitiveValue::CSS_PT:
type = LengthTypePT;
break;
case CSSPrimitiveValue::CSS_PC:
type = LengthTypePC;
break;
case CSSPrimitiveValue::CSS_UNKNOWN:
default:
return { };
};
SVGLengthValue length;
length.newValueSpecifiedUnits(type, value.floatValue());
return length;
}
static inline bool convertToLengthSize(const CSSPrimitiveValue& primitiveValue, CSSToLengthConversionData conversionData, LengthSize& size)
{
if (auto* pair = primitiveValue.getPairValue()) {
size.setWidth(pair->first()->convertToLength<AnyConversion>(conversionData));
size.setHeight(pair->second()->convertToLength<AnyConversion>(conversionData));
} else
size.setWidth(primitiveValue.convertToLength<AnyConversion>(conversionData));
return !size.width().isUndefined() && !size.height().isUndefined();
}
KCDashArray KSVGPainterFactory::dashArrayFromRenderingStyle(const RenderStyle* style)
{
KCDashArray array;
CSSValueList* dashes = style->svgStyle()->strokeDashArray();
if (dashes) {
CSSPrimitiveValue* dash = 0;
unsigned long len = dashes->length();
for (unsigned long i = 0; i < len; i++) {
dash = static_cast<CSSPrimitiveValue*>(dashes->item(i));
if (!dash)
continue;
array.append(dash->computeLengthFloat(const_cast<RenderStyle*>(style)));
}
}
return array;
}
void StyleBuilder::applyProperty(CSSPropertyID id, StyleResolverState& state, CSSValue* value)
{
ASSERT_WITH_MESSAGE(!isExpandedShorthand(id), "Shorthand property id = %d wasn't expanded at parsing time", id);
bool isInherit = state.parentNode() && value->isInheritedValue();
bool isInitial = value->isInitialValue() || (!state.parentNode() && value->isInheritedValue());
ASSERT(!isInherit || !isInitial); // isInherit -> !isInitial && isInitial -> !isInherit
ASSERT(!isInherit || (state.parentNode() && state.parentStyle())); // isInherit -> (state.parentNode() && state.parentStyle())
CSSPrimitiveValue* primitiveValue = value->isPrimitiveValue() ? toCSSPrimitiveValue(value) : 0;
if (primitiveValue && primitiveValue->getValueID() == CSSValueCurrentcolor)
state.style()->setHasCurrentColor();
if (isInherit && !state.parentStyle()->hasExplicitlyInheritedProperties() && !CSSPropertyMetadata::isInheritedProperty(id))
state.parentStyle()->setHasExplicitlyInheritedProperties();
StyleBuilder::applyProperty(id, state, value, isInitial, isInherit);
}
static bool computeLength(CSSValue* value, bool strict, RenderStyle* style, RenderStyle* rootStyle, int& result)
{
if (!value->isPrimitiveValue())
return false;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->isNumber()) {
result = primitiveValue->getIntValue();
return !strict || !result;
}
if (primitiveValue->isLength()) {
result = primitiveValue->computeLength<int>(style, rootStyle);
return true;
}
return false;
}
DashArray dashArrayFromRenderingStyle(const RenderStyle* style, RenderStyle* rootStyle)
{
DashArray array;
CSSValueList* dashes = style->svgStyle()->strokeDashArray();
if (dashes) {
CSSPrimitiveValue* dash = 0;
unsigned long len = dashes->length();
for (unsigned long i = 0; i < len; i++) {
dash = static_cast<CSSPrimitiveValue*>(dashes->itemWithoutBoundsCheck(i));
if (!dash)
continue;
array.append((float) dash->computeLengthFloat(const_cast<RenderStyle*>(style), rootStyle));
}
}
return array;
}
EGlyphOrientation StyleBuilderConverter::convertGlyphOrientation(StyleResolverState&, CSSValue* value)
{
if (!value->isPrimitiveValue())
return GO_0DEG;
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
if (primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_DEG)
return GO_0DEG;
float angle = fabsf(fmodf(primitiveValue->getFloatValue(), 360.0f));
if (angle <= 45.0f || angle > 315.0f)
return GO_0DEG;
if (angle > 45.0f && angle <= 135.0f)
return GO_90DEG;
if (angle > 135.0f && angle <= 225.0f)
return GO_180DEG;
return GO_270DEG;
}
float SVGRenderStyle::cssPrimitiveToLength(const RenderObject* item, CSSValue* value, float defaultValue)
{
CSSPrimitiveValue* primitive = static_cast<CSSPrimitiveValue*>(value);
unsigned short cssType = (primitive ? primitive->primitiveType() : (unsigned short) CSSPrimitiveValue::CSS_UNKNOWN);
if (!(cssType > CSSPrimitiveValue::CSS_UNKNOWN && cssType <= CSSPrimitiveValue::CSS_PC))
return defaultValue;
if (cssType == CSSPrimitiveValue::CSS_PERCENTAGE) {
SVGStyledElement* element = static_cast<SVGStyledElement*>(item->node());
SVGElement* viewportElement = (element ? element->viewportElement() : 0);
if (viewportElement) {
float result = primitive->getFloatValue() / 100.0f;
return SVGLength::PercentageOfViewport(result, element, LengthModeOther);
}
}
return primitive->computeLengthFloat(const_cast<RenderStyle*>(item->style()), item->document()->documentElement()->renderStyle());
}
SVGParsingError SVGLength::setValueAsString(const String& string)
{
if (string.isEmpty()) {
m_value = CSSPrimitiveValue::create(0, CSSPrimitiveValue::UnitType::UserUnits);
return SVGParseStatus::NoError;
}
CSSParserContext svgParserContext(SVGAttributeMode, nullptr);
CSSValue* parsed = CSSParser::parseSingleValue(CSSPropertyX, string, svgParserContext);
if (!parsed || !parsed->isPrimitiveValue())
return SVGParseStatus::ExpectedLength;
CSSPrimitiveValue* newValue = toCSSPrimitiveValue(parsed);
// TODO(fs): Enable calc for SVG lengths
if (newValue->isCalculated() || !isSupportedCSSUnitType(newValue->typeWithCalcResolved()))
return SVGParseStatus::ExpectedLength;
m_value = newValue;
return SVGParseStatus::NoError;
}
static void addResolutionWarningMessageToConsole(Document& document, const String& serializedExpression, const CSSPrimitiveValue& value)
{
static NeverDestroyed<String> mediaQueryMessage(ASCIILiteral("Consider using 'dppx' units instead of '%replacementUnits%', as in CSS '%replacementUnits%' means dots-per-CSS-%lengthUnit%, not dots-per-physical-%lengthUnit%, so does not correspond to the actual '%replacementUnits%' of a screen. In media query expression: "));
static NeverDestroyed<String> mediaValueDPI(ASCIILiteral("dpi"));
static NeverDestroyed<String> mediaValueDPCM(ASCIILiteral("dpcm"));
static NeverDestroyed<String> lengthUnitInch(ASCIILiteral("inch"));
static NeverDestroyed<String> lengthUnitCentimeter(ASCIILiteral("centimeter"));
String message;
if (value.isDotsPerInch())
message = mediaQueryMessage.get().replace("%replacementUnits%", mediaValueDPI).replace("%lengthUnit%", lengthUnitInch);
else if (value.isDotsPerCentimeter())
message = mediaQueryMessage.get().replace("%replacementUnits%", mediaValueDPCM).replace("%lengthUnit%", lengthUnitCentimeter);
else
ASSERT_NOT_REACHED();
message.append(serializedExpression);
document.addConsoleMessage(MessageSource::CSS, MessageLevel::Debug, message);
}
void CSSToStyleMap::mapAnimationAdditive(Animation* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setAdditive(Animation::initialAnimationAdditive());
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
switch (primitiveValue->getIdent()) {
case CSSValueReplace:
layer->setAdditive(AnimationAdditiveReplace);
break;
case CSSValueAdditive:
layer->setAdditive(AnimationAdditiveAdditive);
break;
}
}
void StyleBuilderFunctions::applyValueCSSPropertyTextAlign(StyleResolverState& state, CSSValue* value)
{
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
// FIXME : Per http://www.w3.org/TR/css3-text/#text-align0 can now take <string> but this is not implemented in the
// rendering code.
if (primitiveValue->isString())
return;
if (primitiveValue->isValueID() && primitiveValue->getValueID() != CSSValueWebkitMatchParent)
state.style()->setTextAlign(*primitiveValue);
else if (state.parentStyle()->textAlign() == TASTART)
state.style()->setTextAlign(state.parentStyle()->isLeftToRightDirection() ? LEFT : RIGHT);
else if (state.parentStyle()->textAlign() == TAEND)
state.style()->setTextAlign(state.parentStyle()->isLeftToRightDirection() ? RIGHT : LEFT);
else
state.style()->setTextAlign(state.parentStyle()->textAlign());
}
virtual void applyValue(CSSStyleSelector* selector, CSSValue* value) const
{
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
FontDescription fontDescription = selector->fontDescription();
switch (primitiveValue->getIdent()) {
case CSSValueInvalid:
ASSERT_NOT_REACHED();
break;
case CSSValueBolder:
fontDescription.setWeight(fontDescription.bolderWeight());
break;
case CSSValueLighter:
fontDescription.setWeight(fontDescription.lighterWeight());
break;
default:
fontDescription.setWeight(*primitiveValue);
}
selector->setFontDescription(fontDescription);
}
void CSSToStyleMap::mapFillYPosition(StyleResolverState& state, FillLayer* layer, CSSValue* value)
{
if (value->isInitialValue()) {
layer->setYPosition(FillLayer::initialFillYPosition(layer->type()));
return;
}
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
Pair* pair = primitiveValue->getPairValue();
if (pair)
primitiveValue = pair->second();
Length length = primitiveValue->convertToLength<FixedConversion | PercentConversion>(state.cssToLengthConversionData());
layer->setYPosition(length);
if (pair)
layer->setBackgroundYOrigin(*(pair->first()));
}
PassRefPtrWillBeRawPtr<AnimatableLength> AnimatableLength::create(CSSValue* value)
{
ASSERT(canCreateFrom(value));
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = WebCore::toCSSPrimitiveValue(value);
const CSSCalcValue* calcValue = primitiveValue->cssCalcValue();
if (calcValue)
return create(calcValue->expressionNode(), primitiveValue);
CSSPrimitiveValue::LengthUnitType unitType;
bool isPrimitiveLength = CSSPrimitiveValue::unitTypeToLengthUnitType(primitiveValue->primitiveType(), unitType);
ASSERT_UNUSED(isPrimitiveLength, isPrimitiveLength);
const double scale = CSSPrimitiveValue::conversionToCanonicalUnitsScaleFactor(primitiveValue->primitiveType());
return create(primitiveValue->getDoubleValue() * scale, unitType, primitiveValue);
}
if (value->isCalcValue())
return create(toCSSCalcValue(value)->expressionNode());
ASSERT_NOT_REACHED();
return nullptr;
}
