bool ShadowStyleInterpolation::canCreateFrom(const CSSValue& start, const CSSValue& end)
{
if (!start.isShadowValue() || end.isShadowValue())
return false;
const CSSShadowValue& startShadow = toCSSShadowValue(start);
const CSSShadowValue& endShadow = toCSSShadowValue(end);
if (startShadow.style != endShadow.style || !startShadow.color || !endShadow.color)
return false;
return !ColorStyleInterpolation::shouldUseLegacyStyleInterpolation(*startShadow.color, *endShadow.color);
}
bool ShadowStyleInterpolation::usesDefaultStyleInterpolation(const CSSValue& start, const CSSValue& end)
{
if (start.isValueList() && end.isValueList() && toCSSValueList(start).length() == toCSSValueList(end).length()) {
const CSSValueList* startList = toCSSValueList(&start);
const CSSValueList* endList = toCSSValueList(&end);
for (size_t i = 0; i < toCSSValueList(start).length(); i++) {
if (startList->item(i)->isShadowValue() && endList->item(i)->isShadowValue()
&& toCSSShadowValue(startList->item(i))->style != toCSSShadowValue(endList->item(i))->style)
return true;
}
}
return false;
}
PassRefPtr<ShadowList> StyleBuilderConverter::convertShadow(StyleResolverState& state, CSSValue* value)
{
if (value->isPrimitiveValue()) {
ASSERT(toCSSPrimitiveValue(value)->getValueID() == CSSValueNone);
return PassRefPtr<ShadowList>();
}
const CSSValueList* valueList = toCSSValueList(value);
size_t shadowCount = valueList->length();
ShadowDataVector shadows;
for (size_t i = 0; i < shadowCount; ++i) {
const CSSShadowValue* item = toCSSShadowValue(valueList->item(i));
float x = item->x->computeLength<float>(state.cssToLengthConversionData());
float y = item->y->computeLength<float>(state.cssToLengthConversionData());
float blur = item->blur ? item->blur->computeLength<float>(state.cssToLengthConversionData()) : 0;
float spread = item->spread ? item->spread->computeLength<float>(state.cssToLengthConversionData()) : 0;
ShadowStyle shadowStyle = item->style && item->style->getValueID() == CSSValueInset ? Inset : Normal;
Color color;
if (item->color)
color = convertColor(state, item->color.get());
else
color = state.style()->color();
shadows.append(ShadowData(FloatPoint(x, y), blur, spread, shadowStyle, color));
}
return ShadowList::adopt(shadows);
}
bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSValue& value)
{
switch (value.cssValueType()) {
case CSSValue::CSS_INHERIT:
return true;
case CSSValue::CSS_PRIMITIVE_VALUE:
return interpolationRequiresStyleResolve(toCSSPrimitiveValue(value));
case CSSValue::CSS_VALUE_LIST:
return interpolationRequiresStyleResolve(toCSSValueList(value));
case CSSValue::CSS_CUSTOM:
if (value.isImageValue())
return interpolationRequiresStyleResolve(toCSSImageValue(value));
if (value.isShadowValue())
return interpolationRequiresStyleResolve(toCSSShadowValue(value));
if (value.isSVGDocumentValue())
return interpolationRequiresStyleResolve(toCSSSVGDocumentValue(value));
// FIXME: consider other custom types.
return true;
case CSSValue::CSS_INITIAL:
// FIXME: should not require resolving styles for initial.
return true;
default:
ASSERT_NOT_REACHED();
return true;
}
}
bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSValue& value)
{
// FIXME: should not require resolving styles for inherit/initial/unset.
if (value.isCSSWideKeyword())
return true;
if (value.isBasicShapeCircleValue())
return interpolationRequiresStyleResolve(toCSSBasicShapeCircleValue(value));
if (value.isBasicShapeEllipseValue())
return interpolationRequiresStyleResolve(toCSSBasicShapeEllipseValue(value));
if (value.isBasicShapePolygonValue())
return interpolationRequiresStyleResolve(toCSSBasicShapePolygonValue(value));
if (value.isBasicShapeInsetValue())
return interpolationRequiresStyleResolve(toCSSBasicShapeInsetValue(value));
if (value.isPrimitiveValue())
return interpolationRequiresStyleResolve(toCSSPrimitiveValue(value));
if (value.isQuadValue())
return interpolationRequiresStyleResolve(toCSSQuadValue(value));
if (value.isValueList())
return interpolationRequiresStyleResolve(toCSSValueList(value));
if (value.isValuePair())
return interpolationRequiresStyleResolve(toCSSValuePair(value));
if (value.isImageValue())
return interpolationRequiresStyleResolve(toCSSImageValue(value));
if (value.isShadowValue())
return interpolationRequiresStyleResolve(toCSSShadowValue(value));
if (value.isSVGDocumentValue())
return interpolationRequiresStyleResolve(toCSSSVGDocumentValue(value));
// FIXME: consider other custom types.
return true;
}
String CSSValue::cssText() const
{
if (m_isTextClone) {
ASSERT(isCSSOMSafe());
return toTextCloneCSSValue(this)->cssText();
}
ASSERT(!isCSSOMSafe() || isSubtypeExposedToCSSOM());
switch (classType()) {
case AspectRatioClass:
return toCSSAspectRatioValue(this)->customCSSText();
case BorderImageSliceClass:
return toCSSBorderImageSliceValue(this)->customCSSText();
case FontClass:
return toCSSFontValue(this)->customCSSText();
case FontFaceSrcClass:
return toCSSFontFaceSrcValue(this)->customCSSText();
case FontFeatureClass:
return toCSSFontFeatureValue(this)->customCSSText();
case FunctionClass:
return toCSSFunctionValue(this)->customCSSText();
case LinearGradientClass:
return toCSSLinearGradientValue(this)->customCSSText();
case RadialGradientClass:
return toCSSRadialGradientValue(this)->customCSSText();
case CrossfadeClass:
return toCSSCrossfadeValue(this)->customCSSText();
case ImageClass:
return toCSSImageValue(this)->customCSSText();
case InheritedClass:
return toCSSInheritedValue(this)->customCSSText();
case InitialClass:
return toCSSInitialValue(this)->customCSSText();
case PrimitiveClass:
return toCSSPrimitiveValue(this)->customCSSText();
case ShadowClass:
return toCSSShadowValue(this)->customCSSText();
case CubicBezierTimingFunctionClass:
return toCSSCubicBezierTimingFunctionValue(this)->customCSSText();
case StepsTimingFunctionClass:
return toCSSStepsTimingFunctionValue(this)->customCSSText();
case UnicodeRangeClass:
return toCSSUnicodeRangeValue(this)->customCSSText();
case ValueListClass:
return toCSSValueList(this)->customCSSText();
case CSSTransformClass:
return toCSSTransformValue(this)->customCSSText();
case LineBoxContainClass:
return toCSSLineBoxContainValue(this)->customCSSText();
case CalculationClass:
return toCSSCalcValue(this)->customCSSText();
case ImageSetClass:
return toCSSImageSetValue(this)->customCSSText();
case CSSFilterClass:
return toCSSFilterValue(this)->customCSSText();
}
ASSERT_NOT_REACHED();
return String();
}
static void compareShadowList(RefPtrWillBeRawPtr<CSSValueList> expectedList, RefPtrWillBeRawPtr<CSSValue> actualList)
{
ASSERT(actualList->isValueList());
for (size_t i = 0; i < 10; i++) {
CSSShadowValue* expectedShadow = toCSSShadowValue(expectedList->item(i));
CSSShadowValue* actualShadow = toCSSShadowValue(toCSSValueList(*actualList).item(i));
EXPECT_EQ(expectedShadow->x->getDoubleValue(), actualShadow->x->getDoubleValue());
EXPECT_EQ(expectedShadow->y->getDoubleValue(), actualShadow->y->getDoubleValue());
EXPECT_EQ(expectedShadow->blur->getDoubleValue(), actualShadow->blur->getDoubleValue());
EXPECT_EQ(expectedShadow->spread->getDoubleValue(), actualShadow->spread->getDoubleValue());
EXPECT_EQ(expectedShadow->color->getRGBA32Value(), actualShadow->color->getRGBA32Value());
EXPECT_EQ(expectedShadow->style->getValueID(), actualShadow->style->getValueID());
}
}
PassOwnPtrWillBeRawPtr<InterpolableValue> ShadowStyleInterpolation::toInterpolableValue(const CSSValue& value, NonInterpolableType& nonInterpolableData)
{
OwnPtrWillBeRawPtr<InterpolableList> result = InterpolableList::create(5);
const CSSShadowValue* shadowValue = toCSSShadowValue(&value);
ASSERT(shadowValue);
result->set(0, lengthToInterpolableValue(shadowValue->x));
result->set(1, lengthToInterpolableValue(shadowValue->y));
result->set(2, lengthToInterpolableValue(shadowValue->blur));
result->set(3, lengthToInterpolableValue(shadowValue->spread));
if (shadowValue->color && ColorStyleInterpolation::canCreateFrom(*shadowValue->color))
result->set(4, ColorStyleInterpolation::colorToInterpolableValue(*shadowValue->color));
if (shadowValue->style)
nonInterpolableData = (shadowValue->style->getValueID() == CSSValueInset);
else
nonInterpolableData = false;
return result.release();
}
void StyleResolver::applySVGProperty(CSSPropertyID id, CSSValue* value)
{
ASSERT(value);
CSSPrimitiveValue* primitiveValue = 0;
if (value->isPrimitiveValue())
primitiveValue = toCSSPrimitiveValue(value);
const State& state = m_state;
SVGRenderStyle& svgStyle = state.style()->accessSVGStyle();
bool isInherit = state.parentNode() && value->isInheritedValue();
bool isInitial = value->isInitialValue() || (!state.parentNode() && value->isInheritedValue());
// What follows is a list that maps the CSS properties into their
// corresponding front-end RenderStyle values. Shorthands(e.g. border,
// background) occur in this list as well and are only hit when mapping
// "inherit" or "initial" into front-end values.
switch (id)
{
// ident only properties
case CSSPropertyAlignmentBaseline:
{
HANDLE_INHERIT_AND_INITIAL(alignmentBaseline, AlignmentBaseline)
if (!primitiveValue)
break;
svgStyle.setAlignmentBaseline(*primitiveValue);
break;
}
case CSSPropertyBaselineShift:
{
HANDLE_INHERIT_AND_INITIAL(baselineShift, BaselineShift);
if (!primitiveValue)
break;
if (primitiveValue->getValueID()) {
switch (primitiveValue->getValueID()) {
case CSSValueBaseline:
svgStyle.setBaselineShift(BS_BASELINE);
break;
case CSSValueSub:
svgStyle.setBaselineShift(BS_SUB);
break;
case CSSValueSuper:
svgStyle.setBaselineShift(BS_SUPER);
break;
default:
break;
}
} else {
svgStyle.setBaselineShift(BS_LENGTH);
svgStyle.setBaselineShiftValue(SVGLength::fromCSSPrimitiveValue(primitiveValue));
}
break;
}
case CSSPropertyKerning:
{
HANDLE_INHERIT_AND_INITIAL(kerning, Kerning);
if (primitiveValue)
svgStyle.setKerning(SVGLength::fromCSSPrimitiveValue(primitiveValue));
break;
}
case CSSPropertyDominantBaseline:
{
HANDLE_INHERIT_AND_INITIAL(dominantBaseline, DominantBaseline)
if (primitiveValue)
svgStyle.setDominantBaseline(*primitiveValue);
break;
}
case CSSPropertyColorInterpolation:
{
HANDLE_INHERIT_AND_INITIAL(colorInterpolation, ColorInterpolation)
if (primitiveValue)
svgStyle.setColorInterpolation(*primitiveValue);
break;
}
case CSSPropertyColorInterpolationFilters:
{
HANDLE_INHERIT_AND_INITIAL(colorInterpolationFilters, ColorInterpolationFilters)
if (primitiveValue)
svgStyle.setColorInterpolationFilters(*primitiveValue);
break;
}
case CSSPropertyColorProfile:
{
// Not implemented.
break;
}
case CSSPropertyColorRendering:
{
HANDLE_INHERIT_AND_INITIAL(colorRendering, ColorRendering)
if (primitiveValue)
svgStyle.setColorRendering(*primitiveValue);
break;
}
case CSSPropertyClipRule:
{
HANDLE_INHERIT_AND_INITIAL(clipRule, ClipRule)
if (primitiveValue)
svgStyle.setClipRule(*primitiveValue);
break;
}
case CSSPropertyFillRule:
{
HANDLE_INHERIT_AND_INITIAL(fillRule, FillRule)
if (primitiveValue)
svgStyle.setFillRule(*primitiveValue);
break;
}
case CSSPropertyStrokeLinejoin:
{
HANDLE_INHERIT_AND_INITIAL(joinStyle, JoinStyle)
if (primitiveValue)
svgStyle.setJoinStyle(*primitiveValue);
break;
}
case CSSPropertyShapeRendering:
{
HANDLE_INHERIT_AND_INITIAL(shapeRendering, ShapeRendering)
if (primitiveValue)
svgStyle.setShapeRendering(*primitiveValue);
break;
}
// end of ident only properties
case CSSPropertyFill:
{
if (isInherit) {
const SVGRenderStyle& svgParentStyle = state.parentStyle()->svgStyle();
svgStyle.setFillPaint(svgParentStyle.fillPaintType(), svgParentStyle.fillPaintColor(), svgParentStyle.fillPaintUri(), applyPropertyToRegularStyle(), applyPropertyToVisitedLinkStyle());
return;
}
if (isInitial) {
svgStyle.setFillPaint(SVGRenderStyle::initialFillPaintType(), SVGRenderStyle::initialFillPaintColor(), SVGRenderStyle::initialFillPaintUri(), applyPropertyToRegularStyle(), applyPropertyToVisitedLinkStyle());
return;
}
if (value->isSVGPaint()) {
SVGPaint* svgPaint = toSVGPaint(value);
svgStyle.setFillPaint(svgPaint->paintType(), colorFromSVGColorCSSValue(svgPaint, state.style()->color()), svgPaint->uri(), applyPropertyToRegularStyle(), applyPropertyToVisitedLinkStyle());
}
break;
}
case CSSPropertyStroke:
{
if (isInherit) {
const SVGRenderStyle& svgParentStyle = state.parentStyle()->svgStyle();
svgStyle.setStrokePaint(svgParentStyle.strokePaintType(), svgParentStyle.strokePaintColor(), svgParentStyle.strokePaintUri(), applyPropertyToRegularStyle(), applyPropertyToVisitedLinkStyle());
return;
}
if (isInitial) {
svgStyle.setStrokePaint(SVGRenderStyle::initialStrokePaintType(), SVGRenderStyle::initialStrokePaintColor(), SVGRenderStyle::initialStrokePaintUri(), applyPropertyToRegularStyle(), applyPropertyToVisitedLinkStyle());
return;
}
if (value->isSVGPaint()) {
SVGPaint* svgPaint = toSVGPaint(value);
svgStyle.setStrokePaint(svgPaint->paintType(), colorFromSVGColorCSSValue(svgPaint, state.style()->color()), svgPaint->uri(), applyPropertyToRegularStyle(), applyPropertyToVisitedLinkStyle());
}
break;
}
case CSSPropertyStrokeWidth:
{
HANDLE_INHERIT_AND_INITIAL(strokeWidth, StrokeWidth)
if (primitiveValue)
svgStyle.setStrokeWidth(SVGLength::fromCSSPrimitiveValue(primitiveValue));
break;
}
case CSSPropertyStrokeDasharray:
{
HANDLE_INHERIT_AND_INITIAL(strokeDashArray, StrokeDashArray)
if (!value->isValueList()) {
svgStyle.setStrokeDashArray(SVGRenderStyle::initialStrokeDashArray());
break;
}
CSSValueList* dashes = toCSSValueList(value);
Vector<SVGLength> array;
size_t length = dashes->length();
for (size_t i = 0; i < length; ++i) {
CSSValue* currValue = dashes->itemWithoutBoundsCheck(i);
if (!currValue->isPrimitiveValue())
continue;
CSSPrimitiveValue* dash = toCSSPrimitiveValue(dashes->itemWithoutBoundsCheck(i));
array.append(SVGLength::fromCSSPrimitiveValue(dash));
}
svgStyle.setStrokeDashArray(array);
break;
}
case CSSPropertyStrokeDashoffset:
{
HANDLE_INHERIT_AND_INITIAL(strokeDashOffset, StrokeDashOffset)
if (primitiveValue)
svgStyle.setStrokeDashOffset(SVGLength::fromCSSPrimitiveValue(primitiveValue));
break;
}
case CSSPropertyFillOpacity:
{
HANDLE_INHERIT_AND_INITIAL(fillOpacity, FillOpacity)
if (!primitiveValue)
return;
float f = 0.0f;
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
f = primitiveValue->getFloatValue() / 100.0f;
else if (type == CSSPrimitiveValue::CSS_NUMBER)
f = primitiveValue->getFloatValue();
else
return;
svgStyle.setFillOpacity(f);
break;
}
case CSSPropertyStrokeOpacity:
{
HANDLE_INHERIT_AND_INITIAL(strokeOpacity, StrokeOpacity)
if (!primitiveValue)
return;
float f = 0.0f;
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
f = primitiveValue->getFloatValue() / 100.0f;
else if (type == CSSPrimitiveValue::CSS_NUMBER)
f = primitiveValue->getFloatValue();
else
return;
svgStyle.setStrokeOpacity(f);
break;
}
case CSSPropertyStopOpacity:
{
HANDLE_INHERIT_AND_INITIAL(stopOpacity, StopOpacity)
if (!primitiveValue)
return;
float f = 0.0f;
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
f = primitiveValue->getFloatValue() / 100.0f;
else if (type == CSSPrimitiveValue::CSS_NUMBER)
f = primitiveValue->getFloatValue();
else
return;
svgStyle.setStopOpacity(f);
break;
}
case CSSPropertyMarkerStart:
{
HANDLE_INHERIT_AND_INITIAL(markerStartResource, MarkerStartResource)
if (!primitiveValue)
return;
String s;
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_URI)
s = primitiveValue->getStringValue();
svgStyle.setMarkerStartResource(SVGURIReference::fragmentIdentifierFromIRIString(s, state.document()));
break;
}
case CSSPropertyMarkerMid:
{
HANDLE_INHERIT_AND_INITIAL(markerMidResource, MarkerMidResource)
if (!primitiveValue)
return;
String s;
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_URI)
s = primitiveValue->getStringValue();
svgStyle.setMarkerMidResource(SVGURIReference::fragmentIdentifierFromIRIString(s, state.document()));
break;
}
case CSSPropertyMarkerEnd:
{
HANDLE_INHERIT_AND_INITIAL(markerEndResource, MarkerEndResource)
if (!primitiveValue)
return;
String s;
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_URI)
s = primitiveValue->getStringValue();
svgStyle.setMarkerEndResource(SVGURIReference::fragmentIdentifierFromIRIString(s, state.document()));
break;
}
case CSSPropertyStrokeLinecap:
{
HANDLE_INHERIT_AND_INITIAL(capStyle, CapStyle)
if (primitiveValue)
svgStyle.setCapStyle(*primitiveValue);
break;
}
case CSSPropertyStrokeMiterlimit:
{
HANDLE_INHERIT_AND_INITIAL(strokeMiterLimit, StrokeMiterLimit)
if (!primitiveValue)
return;
float f = 0.0f;
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_NUMBER)
f = primitiveValue->getFloatValue();
else
return;
svgStyle.setStrokeMiterLimit(f);
break;
}
case CSSPropertyFilter:
{
HANDLE_INHERIT_AND_INITIAL(filterResource, FilterResource)
if (!primitiveValue)
return;
String s;
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_URI)
s = primitiveValue->getStringValue();
svgStyle.setFilterResource(SVGURIReference::fragmentIdentifierFromIRIString(s, state.document()));
break;
}
case CSSPropertyMask:
{
HANDLE_INHERIT_AND_INITIAL(maskerResource, MaskerResource)
if (!primitiveValue)
return;
String s;
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_URI)
s = primitiveValue->getStringValue();
svgStyle.setMaskerResource(SVGURIReference::fragmentIdentifierFromIRIString(s, state.document()));
break;
}
case CSSPropertyClipPath:
{
HANDLE_INHERIT_AND_INITIAL(clipperResource, ClipperResource)
if (!primitiveValue)
return;
String s;
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_URI)
s = primitiveValue->getStringValue();
svgStyle.setClipperResource(SVGURIReference::fragmentIdentifierFromIRIString(s, state.document()));
break;
}
case CSSPropertyTextAnchor:
{
HANDLE_INHERIT_AND_INITIAL(textAnchor, TextAnchor)
if (primitiveValue)
svgStyle.setTextAnchor(*primitiveValue);
break;
}
case CSSPropertyWritingMode:
{
HANDLE_INHERIT_AND_INITIAL(writingMode, WritingMode)
if (primitiveValue)
svgStyle.setWritingMode(*primitiveValue);
break;
}
case CSSPropertyStopColor:
{
HANDLE_INHERIT_AND_INITIAL(stopColor, StopColor);
if (value->isSVGColor())
svgStyle.setStopColor(colorFromSVGColorCSSValue(toSVGColor(value), state.style()->color()));
break;
}
case CSSPropertyLightingColor:
{
HANDLE_INHERIT_AND_INITIAL(lightingColor, LightingColor);
if (value->isSVGColor())
svgStyle.setLightingColor(colorFromSVGColorCSSValue(toSVGColor(value), state.style()->color()));
break;
}
case CSSPropertyFloodOpacity:
{
HANDLE_INHERIT_AND_INITIAL(floodOpacity, FloodOpacity)
if (!primitiveValue)
return;
float f = 0.0f;
int type = primitiveValue->primitiveType();
if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
f = primitiveValue->getFloatValue() / 100.0f;
else if (type == CSSPrimitiveValue::CSS_NUMBER)
f = primitiveValue->getFloatValue();
else
return;
svgStyle.setFloodOpacity(f);
break;
}
case CSSPropertyFloodColor:
{
HANDLE_INHERIT_AND_INITIAL(floodColor, FloodColor);
if (value->isSVGColor())
svgStyle.setFloodColor(colorFromSVGColorCSSValue(toSVGColor(value), state.style()->color()));
break;
}
case CSSPropertyGlyphOrientationHorizontal:
{
HANDLE_INHERIT_AND_INITIAL(glyphOrientationHorizontal, GlyphOrientationHorizontal)
if (!primitiveValue)
return;
if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_DEG) {
int orientation = angleToGlyphOrientation(primitiveValue->getFloatValue());
ASSERT(orientation != -1);
svgStyle.setGlyphOrientationHorizontal((EGlyphOrientation) orientation);
}
break;
}
case CSSPropertyGlyphOrientationVertical:
{
HANDLE_INHERIT_AND_INITIAL(glyphOrientationVertical, GlyphOrientationVertical)
if (!primitiveValue)
return;
if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_DEG) {
int orientation = angleToGlyphOrientation(primitiveValue->getFloatValue());
ASSERT(orientation != -1);
svgStyle.setGlyphOrientationVertical((EGlyphOrientation) orientation);
} else if (primitiveValue->getValueID() == CSSValueAuto)
svgStyle.setGlyphOrientationVertical(GO_AUTO);
break;
}
case CSSPropertyEnableBackground:
// Silently ignoring this property for now
// http://bugs.webkit.org/show_bug.cgi?id=6022
break;
case CSSPropertyWebkitSvgShadow: {
if (isInherit)
return svgStyle.setShadow(state.parentStyle()->svgStyle().shadow() ? std::make_unique<ShadowData>(*state.parentStyle()->svgStyle().shadow()) : nullptr);
if (isInitial || primitiveValue) // initial | none
return svgStyle.setShadow(nullptr);
if (!value->isValueList())
return;
CSSValueList* list = toCSSValueList(value);
if (!list->length())
return;
CSSValue* firstValue = list->itemWithoutBoundsCheck(0);
if (!firstValue->isShadowValue())
return;
CSSShadowValue* item = toCSSShadowValue(firstValue);
IntPoint location(item->x->computeLength<int>(state.style(), state.rootElementStyle()),
item->y->computeLength<int>(state.style(), state.rootElementStyle()));
int blur = item->blur ? item->blur->computeLength<int>(state.style(), state.rootElementStyle()) : 0;
Color color;
if (item->color)
color = colorFromPrimitiveValue(item->color.get());
// -webkit-svg-shadow does should not have a spread or style
ASSERT(!item->spread);
ASSERT(!item->style);
auto shadowData = std::make_unique<ShadowData>(location, blur, 0, Normal, false, color.isValid() ? color : Color::transparent);
svgStyle.setShadow(std::move(shadowData));
return;
}
case CSSPropertyVectorEffect: {
HANDLE_INHERIT_AND_INITIAL(vectorEffect, VectorEffect)
if (!primitiveValue)
break;
svgStyle.setVectorEffect(*primitiveValue);
break;
}
case CSSPropertyBufferedRendering: {
HANDLE_INHERIT_AND_INITIAL(bufferedRendering, BufferedRendering)
if (!primitiveValue)
break;
svgStyle.setBufferedRendering(*primitiveValue);
break;
}
case CSSPropertyMaskType: {
HANDLE_INHERIT_AND_INITIAL(maskType, MaskType)
if (!primitiveValue)
break;
svgStyle.setMaskType(*primitiveValue);
break;
}
default:
// If you crash here, it's because you added a css property and are not handling it
// in either this switch statement or the one in StyleResolver::applyProperty
ASSERT_WITH_MESSAGE(0, "unimplemented propertyID: %d", id);
return;
}
}
bool ShadowStyleInterpolation::canCreateFrom(const CSSValue& start, const CSSValue& end)
{
return start.isShadowValue() && end.isShadowValue()
&& toCSSShadowValue(start).style == toCSSShadowValue(end).style
&& toCSSShadowValue(start).color && toCSSShadowValue(end).color;
}
void CSSValue::finalizeGarbageCollectedObject() {
switch (getClassType()) {
case BasicShapeCircleClass:
toCSSBasicShapeCircleValue(this)->~CSSBasicShapeCircleValue();
return;
case BasicShapeEllipseClass:
toCSSBasicShapeEllipseValue(this)->~CSSBasicShapeEllipseValue();
return;
case BasicShapePolygonClass:
toCSSBasicShapePolygonValue(this)->~CSSBasicShapePolygonValue();
return;
case BasicShapeInsetClass:
toCSSBasicShapeInsetValue(this)->~CSSBasicShapeInsetValue();
return;
case BorderImageSliceClass:
toCSSBorderImageSliceValue(this)->~CSSBorderImageSliceValue();
return;
case ColorClass:
toCSSColorValue(this)->~CSSColorValue();
return;
case CounterClass:
toCSSCounterValue(this)->~CSSCounterValue();
return;
case CursorImageClass:
toCSSCursorImageValue(this)->~CSSCursorImageValue();
return;
case FontFaceSrcClass:
toCSSFontFaceSrcValue(this)->~CSSFontFaceSrcValue();
return;
case FontFamilyClass:
toCSSFontFamilyValue(this)->~CSSFontFamilyValue();
return;
case FontFeatureClass:
toCSSFontFeatureValue(this)->~CSSFontFeatureValue();
return;
case FunctionClass:
toCSSFunctionValue(this)->~CSSFunctionValue();
return;
case LinearGradientClass:
toCSSLinearGradientValue(this)->~CSSLinearGradientValue();
return;
case RadialGradientClass:
toCSSRadialGradientValue(this)->~CSSRadialGradientValue();
return;
case CrossfadeClass:
toCSSCrossfadeValue(this)->~CSSCrossfadeValue();
return;
case PaintClass:
toCSSPaintValue(this)->~CSSPaintValue();
return;
case CustomIdentClass:
toCSSCustomIdentValue(this)->~CSSCustomIdentValue();
return;
case ImageClass:
toCSSImageValue(this)->~CSSImageValue();
return;
case InheritedClass:
toCSSInheritedValue(this)->~CSSInheritedValue();
return;
case InitialClass:
toCSSInitialValue(this)->~CSSInitialValue();
return;
case UnsetClass:
toCSSUnsetValue(this)->~CSSUnsetValue();
return;
case GridAutoRepeatClass:
toCSSGridAutoRepeatValue(this)->~CSSGridAutoRepeatValue();
return;
case GridLineNamesClass:
toCSSGridLineNamesValue(this)->~CSSGridLineNamesValue();
return;
case GridTemplateAreasClass:
toCSSGridTemplateAreasValue(this)->~CSSGridTemplateAreasValue();
return;
case PathClass:
toCSSPathValue(this)->~CSSPathValue();
return;
case PrimitiveClass:
toCSSPrimitiveValue(this)->~CSSPrimitiveValue();
return;
case IdentifierClass:
toCSSIdentifierValue(this)->~CSSIdentifierValue();
return;
case QuadClass:
toCSSQuadValue(this)->~CSSQuadValue();
return;
case ReflectClass:
toCSSReflectValue(this)->~CSSReflectValue();
return;
case ShadowClass:
toCSSShadowValue(this)->~CSSShadowValue();
return;
case StringClass:
toCSSStringValue(this)->~CSSStringValue();
return;
case CubicBezierTimingFunctionClass:
toCSSCubicBezierTimingFunctionValue(this)
->~CSSCubicBezierTimingFunctionValue();
return;
case StepsTimingFunctionClass:
toCSSStepsTimingFunctionValue(this)->~CSSStepsTimingFunctionValue();
return;
case UnicodeRangeClass:
toCSSUnicodeRangeValue(this)->~CSSUnicodeRangeValue();
return;
case URIClass:
toCSSURIValue(this)->~CSSURIValue();
return;
case ValueListClass:
toCSSValueList(this)->~CSSValueList();
return;
case ValuePairClass:
toCSSValuePair(this)->~CSSValuePair();
return;
case ImageSetClass:
toCSSImageSetValue(this)->~CSSImageSetValue();
return;
case CSSContentDistributionClass:
toCSSContentDistributionValue(this)->~CSSContentDistributionValue();
return;
case VariableReferenceClass:
toCSSVariableReferenceValue(this)->~CSSVariableReferenceValue();
return;
case CustomPropertyDeclarationClass:
toCSSCustomPropertyDeclaration(this)->~CSSCustomPropertyDeclaration();
return;
case PendingSubstitutionValueClass:
toCSSPendingSubstitutionValue(this)->~CSSPendingSubstitutionValue();
return;
}
ASSERT_NOT_REACHED();
}
String CSSValue::cssText() const
{
if (m_isTextClone) {
ASSERT(isCSSOMSafe());
return static_cast<const TextCloneCSSValue*>(this)->cssText();
}
ASSERT(!isCSSOMSafe() || isSubtypeExposedToCSSOM());
switch (classType()) {
case AspectRatioClass:
return toCSSAspectRatioValue(this)->customCSSText();
case BorderImageSliceClass:
return toCSSBorderImageSliceValue(this)->customCSSText();
case CanvasClass:
return toCSSCanvasValue(this)->customCSSText();
case CursorImageClass:
return toCSSCursorImageValue(this)->customCSSText();
#if ENABLE(CSS_FILTERS)
case FilterImageClass:
return toCSSFilterImageValue(this)->customCSSText();
#endif
case FontClass:
return toCSSFontValue(this)->customCSSText();
case FontFaceSrcClass:
return toCSSFontFaceSrcValue(this)->customCSSText();
case FontFeatureClass:
return toCSSFontFeatureValue(this)->customCSSText();
case FunctionClass:
return toCSSFunctionValue(this)->customCSSText();
case LinearGradientClass:
return toCSSLinearGradientValue(this)->customCSSText();
case RadialGradientClass:
return toCSSRadialGradientValue(this)->customCSSText();
case CrossfadeClass:
return toCSSCrossfadeValue(this)->customCSSText();
case ImageClass:
return toCSSImageValue(this)->customCSSText();
case InheritedClass:
return toCSSInheritedValue(this)->customCSSText();
case InitialClass:
return toCSSInitialValue(this)->customCSSText();
#if ENABLE(CSS_GRID_LAYOUT)
case GridLineNamesClass:
return toCSSGridLineNamesValue(this)->customCSSText();
case GridTemplateAreasClass:
return toCSSGridTemplateAreasValue(this)->customCSSText();
#endif
case PrimitiveClass:
return toCSSPrimitiveValue(this)->customCSSText();
case ReflectClass:
return toCSSReflectValue(this)->customCSSText();
case ShadowClass:
return toCSSShadowValue(this)->customCSSText();
case CubicBezierTimingFunctionClass:
return toCSSCubicBezierTimingFunctionValue(this)->customCSSText();
case StepsTimingFunctionClass:
return toCSSStepsTimingFunctionValue(this)->customCSSText();
case UnicodeRangeClass:
return toCSSUnicodeRangeValue(this)->customCSSText();
case ValueListClass:
return toCSSValueList(this)->customCSSText();
case WebKitCSSTransformClass:
return toWebKitCSSTransformValue(this)->customCSSText();
case LineBoxContainClass:
return toCSSLineBoxContainValue(this)->customCSSText();
case CalculationClass:
return toCSSCalcValue(this)->customCSSText();
#if ENABLE(CSS_IMAGE_SET)
case ImageSetClass:
return toCSSImageSetValue(this)->customCSSText();
#endif
#if ENABLE(CSS_FILTERS)
case WebKitCSSFilterClass:
return toWebKitCSSFilterValue(this)->customCSSText();
#endif
case SVGColorClass:
return toSVGColor(this)->customCSSText();
case SVGPaintClass:
return toSVGPaint(this)->customCSSText();
}
ASSERT_NOT_REACHED();
return String();
}
void CSSValue::destroy()
{
if (m_isTextClone) {
ASSERT(isCSSOMSafe());
delete static_cast<TextCloneCSSValue*>(this);
return;
}
ASSERT(!isCSSOMSafe() || isSubtypeExposedToCSSOM());
switch (classType()) {
case AspectRatioClass:
delete toCSSAspectRatioValue(this);
return;
case BorderImageSliceClass:
delete toCSSBorderImageSliceValue(this);
return;
case CanvasClass:
delete toCSSCanvasValue(this);
return;
case CursorImageClass:
delete toCSSCursorImageValue(this);
return;
case FontClass:
delete toCSSFontValue(this);
return;
case FontFaceSrcClass:
delete toCSSFontFaceSrcValue(this);
return;
case FontFeatureClass:
delete toCSSFontFeatureValue(this);
return;
case FunctionClass:
delete toCSSFunctionValue(this);
return;
case LinearGradientClass:
delete toCSSLinearGradientValue(this);
return;
case RadialGradientClass:
delete toCSSRadialGradientValue(this);
return;
case CrossfadeClass:
delete toCSSCrossfadeValue(this);
return;
case ImageClass:
delete toCSSImageValue(this);
return;
case InheritedClass:
delete toCSSInheritedValue(this);
return;
case InitialClass:
delete toCSSInitialValue(this);
return;
case GridTemplateClass:
delete toCSSGridTemplateValue(this);
return;
case PrimitiveClass:
delete toCSSPrimitiveValue(this);
return;
case ReflectClass:
delete toCSSReflectValue(this);
return;
case ShadowClass:
delete toCSSShadowValue(this);
return;
case CubicBezierTimingFunctionClass:
delete toCSSCubicBezierTimingFunctionValue(this);
return;
case StepsTimingFunctionClass:
delete toCSSStepsTimingFunctionValue(this);
return;
case UnicodeRangeClass:
delete toCSSUnicodeRangeValue(this);
return;
case ValueListClass:
delete toCSSValueList(this);
return;
case WebKitCSSTransformClass:
delete toWebKitCSSTransformValue(this);
return;
case LineBoxContainClass:
delete toCSSLineBoxContainValue(this);
return;
case CalculationClass:
delete toCSSCalcValue(this);
return;
#if ENABLE(CSS_IMAGE_SET)
case ImageSetClass:
delete toCSSImageSetValue(this);
return;
#endif
#if ENABLE(CSS_FILTERS)
case FilterImageClass:
delete toCSSFilterImageValue(this);
return;
case WebKitCSSFilterClass:
delete toWebKitCSSFilterValue(this);
return;
#if ENABLE(CSS_SHADERS)
case WebKitCSSArrayFunctionValueClass:
delete toWebKitCSSArrayFunctionValue(this);
return;
case WebKitCSSMatFunctionValueClass:
delete toWebKitCSSMatFunctionValue(this);
return;
case WebKitCSSMixFunctionValueClass:
delete toWebKitCSSMixFunctionValue(this);
return;
case WebKitCSSShaderClass:
delete toWebKitCSSShaderValue(this);
return;
#endif
#endif
#if ENABLE(SVG)
case SVGColorClass:
delete toSVGColor(this);
return;
case SVGPaintClass:
delete toSVGPaint(this);
return;
case WebKitCSSSVGDocumentClass:
delete toWebKitCSSSVGDocumentValue(this);
return;
#endif
}
ASSERT_NOT_REACHED();
}
void CSSValue::finalizeGarbageCollectedObject()
{
switch (classType()) {
case BorderImageSliceClass:
toCSSBorderImageSliceValue(this)->~CSSBorderImageSliceValue();
return;
case CanvasClass:
toCSSCanvasValue(this)->~CSSCanvasValue();
return;
case CounterClass:
toCSSCounterValue(this)->~CSSCounterValue();
return;
case CursorImageClass:
toCSSCursorImageValue(this)->~CSSCursorImageValue();
return;
case FontFaceSrcClass:
toCSSFontFaceSrcValue(this)->~CSSFontFaceSrcValue();
return;
case FontFeatureClass:
toCSSFontFeatureValue(this)->~CSSFontFeatureValue();
return;
case FunctionClass:
toCSSFunctionValue(this)->~CSSFunctionValue();
return;
case LinearGradientClass:
toCSSLinearGradientValue(this)->~CSSLinearGradientValue();
return;
case RadialGradientClass:
toCSSRadialGradientValue(this)->~CSSRadialGradientValue();
return;
case CrossfadeClass:
toCSSCrossfadeValue(this)->~CSSCrossfadeValue();
return;
case ImageClass:
toCSSImageValue(this)->~CSSImageValue();
return;
case InheritedClass:
toCSSInheritedValue(this)->~CSSInheritedValue();
return;
case InitialClass:
toCSSInitialValue(this)->~CSSInitialValue();
return;
case UnsetClass:
toCSSUnsetValue(this)->~CSSUnsetValue();
return;
case GridLineNamesClass:
toCSSGridLineNamesValue(this)->~CSSGridLineNamesValue();
return;
case GridTemplateAreasClass:
toCSSGridTemplateAreasValue(this)->~CSSGridTemplateAreasValue();
return;
case PathClass:
toCSSPathValue(this)->~CSSPathValue();
return;
case PrimitiveClass:
toCSSPrimitiveValue(this)->~CSSPrimitiveValue();
return;
case QuadClass:
toCSSQuadValue(this)->~CSSQuadValue();
return;
case ReflectClass:
toCSSReflectValue(this)->~CSSReflectValue();
return;
case ShadowClass:
toCSSShadowValue(this)->~CSSShadowValue();
return;
case CubicBezierTimingFunctionClass:
toCSSCubicBezierTimingFunctionValue(this)->~CSSCubicBezierTimingFunctionValue();
return;
case StepsTimingFunctionClass:
toCSSStepsTimingFunctionValue(this)->~CSSStepsTimingFunctionValue();
return;
case UnicodeRangeClass:
toCSSUnicodeRangeValue(this)->~CSSUnicodeRangeValue();
return;
case ValueListClass:
toCSSValueList(this)->~CSSValueList();
return;
case ValuePairClass:
toCSSValuePair(this)->~CSSValuePair();
return;
case ImageSetClass:
toCSSImageSetValue(this)->~CSSImageSetValue();
return;
case CSSSVGDocumentClass:
toCSSSVGDocumentValue(this)->~CSSSVGDocumentValue();
return;
case CSSContentDistributionClass:
toCSSContentDistributionValue(this)->~CSSContentDistributionValue();
return;
}
ASSERT_NOT_REACHED();
}
bool FilterOperationResolver::createFilterOperations(CSSValue* inValue, const CSSToLengthConversionData& unadjustedConversionData, FilterOperations& outOperations, StyleResolverState& state)
{
ASSERT(outOperations.isEmpty());
if (!inValue)
return false;
if (inValue->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(inValue);
if (primitiveValue->getValueID() == CSSValueNone)
return true;
}
if (!inValue->isValueList())
return false;
float zoomFactor = unadjustedConversionData.zoom() * state.elementStyleResources().deviceScaleFactor();
const CSSToLengthConversionData& conversionData = unadjustedConversionData.copyWithAdjustedZoom(zoomFactor);
FilterOperations operations;
for (CSSValueListIterator i = inValue; i.hasMore(); i.advance()) {
CSSValue* currValue = i.value();
if (!currValue->isFilterValue())
continue;
CSSFilterValue* filterValue = toCSSFilterValue(i.value());
FilterOperation::OperationType operationType = filterOperationForType(filterValue->operationType());
if (operationType == FilterOperation::VALIDATED_CUSTOM) {
// ValidatedCustomFilterOperation is not supposed to end up in the RenderStyle.
ASSERT_NOT_REACHED();
continue;
}
if (operationType == FilterOperation::CUSTOM) {
RefPtr<CustomFilterOperation> operation = createCustomFilterOperation(filterValue, state);
if (!operation)
return false;
operations.operations().append(operation);
continue;
}
if (operationType == FilterOperation::REFERENCE) {
if (filterValue->length() != 1)
continue;
CSSValue* argument = filterValue->itemWithoutBoundsCheck(0);
if (!argument->isSVGDocumentValue())
continue;
CSSSVGDocumentValue* svgDocumentValue = toCSSSVGDocumentValue(argument);
KURL url = state.document().completeURL(svgDocumentValue->url());
RefPtr<ReferenceFilterOperation> operation = ReferenceFilterOperation::create(svgDocumentValue->url(), url.fragmentIdentifier());
if (SVGURIReference::isExternalURIReference(svgDocumentValue->url(), state.document())) {
if (!svgDocumentValue->loadRequested())
state.elementStyleResources().addPendingSVGDocument(operation.get(), svgDocumentValue);
else if (svgDocumentValue->cachedSVGDocument())
ReferenceFilterBuilder::setDocumentResourceReference(operation.get(), adoptPtr(new DocumentResourceReference(svgDocumentValue->cachedSVGDocument())));
}
operations.operations().append(operation);
continue;
}
// Check that all parameters are primitive values, with the
// exception of drop shadow which has a CSSShadowValue parameter.
if (operationType != FilterOperation::DROP_SHADOW) {
bool haveNonPrimitiveValue = false;
for (unsigned j = 0; j < filterValue->length(); ++j) {
if (!filterValue->itemWithoutBoundsCheck(j)->isPrimitiveValue()) {
haveNonPrimitiveValue = true;
break;
}
}
if (haveNonPrimitiveValue)
continue;
}
CSSPrimitiveValue* firstValue = filterValue->length() && filterValue->itemWithoutBoundsCheck(0)->isPrimitiveValue() ? toCSSPrimitiveValue(filterValue->itemWithoutBoundsCheck(0)) : 0;
switch (filterValue->operationType()) {
case CSSFilterValue::GrayscaleFilterOperation:
case CSSFilterValue::SepiaFilterOperation:
case CSSFilterValue::SaturateFilterOperation: {
double amount = 1;
if (filterValue->length() == 1) {
amount = firstValue->getDoubleValue();
if (firstValue->isPercentage())
amount /= 100;
}
operations.operations().append(BasicColorMatrixFilterOperation::create(amount, operationType));
break;
}
case CSSFilterValue::HueRotateFilterOperation: {
double angle = 0;
if (filterValue->length() == 1)
angle = firstValue->computeDegrees();
operations.operations().append(BasicColorMatrixFilterOperation::create(angle, operationType));
break;
}
case CSSFilterValue::InvertFilterOperation:
case CSSFilterValue::BrightnessFilterOperation:
case CSSFilterValue::ContrastFilterOperation:
case CSSFilterValue::OpacityFilterOperation: {
double amount = (filterValue->operationType() == CSSFilterValue::BrightnessFilterOperation) ? 0 : 1;
if (filterValue->length() == 1) {
amount = firstValue->getDoubleValue();
if (firstValue->isPercentage())
amount /= 100;
}
operations.operations().append(BasicComponentTransferFilterOperation::create(amount, operationType));
break;
}
case CSSFilterValue::BlurFilterOperation: {
Length stdDeviation = Length(0, Fixed);
if (filterValue->length() >= 1)
stdDeviation = firstValue->convertToLength<FixedConversion | PercentConversion>(conversionData);
if (stdDeviation.isUndefined())
return false;
operations.operations().append(BlurFilterOperation::create(stdDeviation));
break;
}
case CSSFilterValue::DropShadowFilterOperation: {
if (filterValue->length() != 1)
return false;
CSSValue* cssValue = filterValue->itemWithoutBoundsCheck(0);
if (!cssValue->isShadowValue())
continue;
CSSShadowValue* item = toCSSShadowValue(cssValue);
IntPoint location(item->x->computeLength<int>(conversionData), item->y->computeLength<int>(conversionData));
int blur = item->blur ? item->blur->computeLength<int>(conversionData) : 0;
Color shadowColor;
if (item->color)
shadowColor = state.document().textLinkColors().colorFromPrimitiveValue(item->color.get(), state.style()->color());
operations.operations().append(DropShadowFilterOperation::create(location, blur, shadowColor.isValid() ? shadowColor : Color::transparent));
break;
}
case CSSFilterValue::UnknownFilterOperation:
default:
ASSERT_NOT_REACHED();
break;
}
}
outOperations = operations;
return true;
}
void CSSValue::trace(Visitor* visitor)
{
if (m_isTextClone) {
ASSERT(isCSSOMSafe());
toTextCloneCSSValue(this)->traceAfterDispatch(visitor);
return;
}
ASSERT(!isCSSOMSafe() || isSubtypeExposedToCSSOM());
switch (classType()) {
case AspectRatioClass:
toCSSAspectRatioValue(this)->traceAfterDispatch(visitor);
return;
case BorderImageSliceClass:
toCSSBorderImageSliceValue(this)->traceAfterDispatch(visitor);
return;
case CanvasClass:
toCSSCanvasValue(this)->traceAfterDispatch(visitor);
return;
case CursorImageClass:
toCSSCursorImageValue(this)->traceAfterDispatch(visitor);
return;
case FontClass:
toCSSFontValue(this)->traceAfterDispatch(visitor);
return;
case FontFaceSrcClass:
toCSSFontFaceSrcValue(this)->traceAfterDispatch(visitor);
return;
case FontFeatureClass:
toCSSFontFeatureValue(this)->traceAfterDispatch(visitor);
return;
case FunctionClass:
toCSSFunctionValue(this)->traceAfterDispatch(visitor);
return;
case LinearGradientClass:
toCSSLinearGradientValue(this)->traceAfterDispatch(visitor);
return;
case RadialGradientClass:
toCSSRadialGradientValue(this)->traceAfterDispatch(visitor);
return;
case CrossfadeClass:
toCSSCrossfadeValue(this)->traceAfterDispatch(visitor);
return;
case ImageClass:
toCSSImageValue(this)->traceAfterDispatch(visitor);
return;
case InheritedClass:
toCSSInheritedValue(this)->traceAfterDispatch(visitor);
return;
case InitialClass:
toCSSInitialValue(this)->traceAfterDispatch(visitor);
return;
case GridLineNamesClass:
toCSSGridLineNamesValue(this)->traceAfterDispatch(visitor);
return;
case GridTemplateAreasClass:
toCSSGridTemplateAreasValue(this)->traceAfterDispatch(visitor);
return;
case PrimitiveClass:
toCSSPrimitiveValue(this)->traceAfterDispatch(visitor);
return;
case ShadowClass:
toCSSShadowValue(this)->traceAfterDispatch(visitor);
return;
case CubicBezierTimingFunctionClass:
toCSSCubicBezierTimingFunctionValue(this)->traceAfterDispatch(visitor);
return;
case StepsTimingFunctionClass:
toCSSStepsTimingFunctionValue(this)->traceAfterDispatch(visitor);
return;
case UnicodeRangeClass:
toCSSUnicodeRangeValue(this)->traceAfterDispatch(visitor);
return;
case ValueListClass:
toCSSValueList(this)->traceAfterDispatch(visitor);
return;
case CSSTransformClass:
toCSSTransformValue(this)->traceAfterDispatch(visitor);
return;
case LineBoxContainClass:
toCSSLineBoxContainValue(this)->traceAfterDispatch(visitor);
return;
case CalculationClass:
toCSSCalcValue(this)->traceAfterDispatch(visitor);
return;
case ImageSetClass:
toCSSImageSetValue(this)->traceAfterDispatch(visitor);
return;
case CSSFilterClass:
toCSSFilterValue(this)->traceAfterDispatch(visitor);
return;
}
ASSERT_NOT_REACHED();
}
FilterOperations FilterOperationResolver::createFilterOperations(StyleResolverState& state, const CSSValue& inValue)
{
FilterOperations operations;
if (inValue.isPrimitiveValue()) {
ASSERT(toCSSPrimitiveValue(inValue).getValueID() == CSSValueNone);
return operations;
}
const CSSToLengthConversionData& conversionData = state.cssToLengthConversionData();
for (auto& currValue : toCSSValueList(inValue)) {
const CSSFunctionValue* filterValue = toCSSFunctionValue(currValue.get());
FilterOperation::OperationType operationType = filterOperationForType(filterValue->functionType());
countFilterUse(operationType, state.document());
ASSERT(filterValue->length() <= 1);
if (operationType == FilterOperation::REFERENCE) {
const CSSSVGDocumentValue& svgDocumentValue = toCSSSVGDocumentValue(filterValue->item(0));
KURL url = state.document().completeURL(svgDocumentValue.url());
ReferenceFilterOperation* operation = ReferenceFilterOperation::create(svgDocumentValue.url(), AtomicString(url.fragmentIdentifier()));
if (SVGURIReference::isExternalURIReference(svgDocumentValue.url(), state.document())) {
if (!svgDocumentValue.loadRequested())
state.elementStyleResources().addPendingSVGDocument(operation, &svgDocumentValue);
else if (svgDocumentValue.cachedSVGDocument())
ReferenceFilterBuilder::setDocumentResourceReference(operation, new DocumentResourceReference(svgDocumentValue.cachedSVGDocument()));
}
operations.operations().append(operation);
continue;
}
const CSSPrimitiveValue* firstValue = filterValue->length() && filterValue->item(0).isPrimitiveValue() ? &toCSSPrimitiveValue(filterValue->item(0)) : nullptr;
switch (filterValue->functionType()) {
case CSSValueGrayscale:
case CSSValueSepia:
case CSSValueSaturate: {
double amount = 1;
if (filterValue->length() == 1) {
amount = firstValue->getDoubleValue();
if (firstValue->isPercentage())
amount /= 100;
}
operations.operations().append(BasicColorMatrixFilterOperation::create(amount, operationType));
break;
}
case CSSValueHueRotate: {
double angle = 0;
if (filterValue->length() == 1)
angle = firstValue->computeDegrees();
operations.operations().append(BasicColorMatrixFilterOperation::create(angle, operationType));
break;
}
case CSSValueInvert:
case CSSValueBrightness:
case CSSValueContrast:
case CSSValueOpacity: {
double amount = (filterValue->functionType() == CSSValueBrightness) ? 0 : 1;
if (filterValue->length() == 1) {
amount = firstValue->getDoubleValue();
if (firstValue->isPercentage())
amount /= 100;
}
operations.operations().append(BasicComponentTransferFilterOperation::create(amount, operationType));
break;
}
case CSSValueBlur: {
Length stdDeviation = Length(0, Fixed);
if (filterValue->length() >= 1)
stdDeviation = firstValue->convertToLength(conversionData);
operations.operations().append(BlurFilterOperation::create(stdDeviation));
break;
}
case CSSValueDropShadow: {
const CSSShadowValue& item = toCSSShadowValue(filterValue->item(0));
IntPoint location(item.x->computeLength<int>(conversionData), item.y->computeLength<int>(conversionData));
int blur = item.blur ? item.blur->computeLength<int>(conversionData) : 0;
Color shadowColor = Color::black;
if (item.color)
shadowColor = state.document().textLinkColors().colorFromCSSValue(*item.color, state.style()->color());
operations.operations().append(DropShadowFilterOperation::create(location, blur, shadowColor));
break;
}
default:
ASSERT_NOT_REACHED();
break;
}
}
return operations;
}
