bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSQuadValue& quad)
{
return interpolationRequiresStyleResolve(*quad.top())
|| interpolationRequiresStyleResolve(*quad.right())
|| interpolationRequiresStyleResolve(*quad.bottom())
|| interpolationRequiresStyleResolve(*quad.left());
}
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 CSSValueList& valueList)
{
size_t length = valueList.length();
for (size_t index = 0; index < length; ++index) {
if (interpolationRequiresStyleResolve(*valueList.item(index)))
return true;
}
return false;
}
bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSShadowValue& shadowValue)
{
return (shadowValue.x && interpolationRequiresStyleResolve(*shadowValue.x))
|| (shadowValue.y && interpolationRequiresStyleResolve(*shadowValue.y))
|| (shadowValue.blur && interpolationRequiresStyleResolve(*shadowValue.blur))
|| (shadowValue.spread && interpolationRequiresStyleResolve(*shadowValue.spread))
|| (shadowValue.style && interpolationRequiresStyleResolve(*shadowValue.style))
|| (shadowValue.color && interpolationRequiresStyleResolve(*shadowValue.color));
}
bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSPrimitiveValue& primitiveValue)
{
// FIXME: consider other types.
if (primitiveValue.isNumber() || primitiveValue.isPercentage() || primitiveValue.isAngle() || primitiveValue.isRGBColor() || primitiveValue.isURI())
return false;
if (primitiveValue.isLength())
return primitiveValue.isFontRelativeLength() || primitiveValue.isViewportPercentageLength();
if (primitiveValue.isCalculated()) {
CSSLengthArray lengthArray(CSSPrimitiveValue::LengthUnitTypeCount);
primitiveValue.accumulateLengthArray(lengthArray);
return lengthArray[CSSPrimitiveValue::UnitTypeFontSize] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeFontXSize] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeZeroCharacterWidth] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportWidth] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportHeight] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportMin] != 0
|| lengthArray[CSSPrimitiveValue::UnitTypeViewportMax] != 0;
}
if (Pair* pair = primitiveValue.getPairValue()) {
return interpolationRequiresStyleResolve(*pair->first())
|| interpolationRequiresStyleResolve(*pair->second());
}
if (Rect* rect = primitiveValue.getRectValue()) {
return interpolationRequiresStyleResolve(*rect->top())
|| interpolationRequiresStyleResolve(*rect->right())
|| interpolationRequiresStyleResolve(*rect->bottom())
|| interpolationRequiresStyleResolve(*rect->left());
}
if (Quad* quad = primitiveValue.getQuadValue()) {
return interpolationRequiresStyleResolve(*quad->top())
|| interpolationRequiresStyleResolve(*quad->right())
|| interpolationRequiresStyleResolve(*quad->bottom())
|| interpolationRequiresStyleResolve(*quad->left());
}
if (primitiveValue.isShape())
return interpolationRequiresStyleResolve(*primitiveValue.getShapeValue());
return (primitiveValue.getValueID() != CSSValueNone);
}
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;
}
bool DeferredLegacyStyleInterpolation::interpolationRequiresStyleResolve(const CSSValuePair& pair)
{
return interpolationRequiresStyleResolve(pair.first())
|| interpolationRequiresStyleResolve(pair.second());
}
