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.isColorValue())
return false;
if (value.isStringValue() || value.isURIValue() || value.isCustomIdentValue())
return false;
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;
}
std::unique_ptr<InterpolableValue> CSSColorInterpolationType::maybeCreateInterpolableColor(const CSSValue& value)
{
if (value.isColorValue())
return createInterpolableColor(toCSSColorValue(value).value());
if (!value.isPrimitiveValue())
return nullptr;
const CSSPrimitiveValue& primitive = toCSSPrimitiveValue(value);
if (!primitive.isValueID())
return nullptr;
if (!StyleColor::isColorKeyword(primitive.getValueID()))
return nullptr;
return createInterpolableColor(primitive.getValueID());
}
Color TextLinkColors::colorFromCSSValue(const CSSValue& value, Color currentColor, bool forVisitedLink) const
{
if (value.isColorValue())
return toCSSColorValue(value).value();
CSSValueID valueID = toCSSPrimitiveValue(value).getValueID();
switch (valueID) {
case 0:
return Color();
case CSSValueWebkitText:
return textColor();
case CSSValueWebkitLink:
return forVisitedLink ? visitedLinkColor() : linkColor();
case CSSValueWebkitActivelink:
return activeLinkColor();
case CSSValueWebkitFocusRingColor:
return LayoutTheme::theme().focusRingColor();
case CSSValueInvert: // We don't support outline-color: invert
case CSSValueCurrentcolor:
return currentColor;
default:
return StyleColor::colorFromKeyword(valueID);
}
}
