bool RuntimeCSSEnabled::isCSSPropertyEnabled(CSSPropertyID propertyId)
{
// Internal properties shouldn't be exposed to the web
// so they are considered to be always disabled.
if (isInternalProperty(propertyId))
return false;
return propertySwitches().get(indexForProperty(propertyId));
}
void UseCounter::count(CSSParserContext context, CSSPropertyID feature)
{
ASSERT(feature >= firstCSSProperty);
ASSERT(feature <= lastCSSProperty);
ASSERT(!isInternalProperty(feature));
if (!isUseCounterEnabledForMode(context.mode()))
return;
m_CSSFeatureBits.quickSet(feature);
}
String StylePropertySerializer::asText() const
{
StringBuilder result;
BitArray<numCSSProperties> shorthandPropertyUsed;
BitArray<numCSSProperties> shorthandPropertyAppeared;
unsigned size = m_propertySet.propertyCount();
unsigned numDecls = 0;
for (unsigned n = 0; n < size; ++n) {
StylePropertySet::PropertyReference property = m_propertySet.propertyAt(n);
CSSPropertyID propertyID = property.id();
// Only enabled or internal properties should be part of the style.
ASSERT(RuntimeCSSEnabled::isCSSPropertyEnabled(propertyID) || isInternalProperty(propertyID));
CSSPropertyID shorthandPropertyID = CSSPropertyInvalid;
CSSPropertyID borderFallbackShorthandProperty = CSSPropertyInvalid;
String value;
switch (propertyID) {
case CSSPropertyBackgroundAttachment:
case CSSPropertyBackgroundClip:
case CSSPropertyBackgroundColor:
case CSSPropertyBackgroundImage:
case CSSPropertyBackgroundOrigin:
case CSSPropertyBackgroundPositionX:
case CSSPropertyBackgroundPositionY:
case CSSPropertyBackgroundSize:
case CSSPropertyBackgroundRepeatX:
case CSSPropertyBackgroundRepeatY:
shorthandPropertyAppeared.set(CSSPropertyBackground - firstCSSProperty);
continue;
case CSSPropertyContent:
if (property.value()->isValueList())
value = toCSSValueList(property.value())->customCSSText(AlwaysQuoteCSSString);
break;
case CSSPropertyBorderTopWidth:
case CSSPropertyBorderRightWidth:
case CSSPropertyBorderBottomWidth:
case CSSPropertyBorderLeftWidth:
if (!borderFallbackShorthandProperty)
borderFallbackShorthandProperty = CSSPropertyBorderWidth;
case CSSPropertyBorderTopStyle:
case CSSPropertyBorderRightStyle:
case CSSPropertyBorderBottomStyle:
case CSSPropertyBorderLeftStyle:
if (!borderFallbackShorthandProperty)
borderFallbackShorthandProperty = CSSPropertyBorderStyle;
case CSSPropertyBorderTopColor:
case CSSPropertyBorderRightColor:
case CSSPropertyBorderBottomColor:
case CSSPropertyBorderLeftColor:
if (!borderFallbackShorthandProperty)
borderFallbackShorthandProperty = CSSPropertyBorderColor;
// FIXME: Deal with cases where only some of border-(top|right|bottom|left) are specified.
if (!shorthandPropertyAppeared.get(CSSPropertyBorder - firstCSSProperty)) {
value = borderPropertyValue(ReturnNullOnUncommonValues);
if (value.isNull())
shorthandPropertyAppeared.set(CSSPropertyBorder - firstCSSProperty);
else
shorthandPropertyID = CSSPropertyBorder;
} else if (shorthandPropertyUsed.get(CSSPropertyBorder - firstCSSProperty))
shorthandPropertyID = CSSPropertyBorder;
if (!shorthandPropertyID)
shorthandPropertyID = borderFallbackShorthandProperty;
break;
case CSSPropertyWebkitBorderHorizontalSpacing:
case CSSPropertyWebkitBorderVerticalSpacing:
shorthandPropertyID = CSSPropertyBorderSpacing;
break;
case CSSPropertyFontFamily:
case CSSPropertyLineHeight:
case CSSPropertyFontSize:
case CSSPropertyFontStyle:
case CSSPropertyFontVariant:
case CSSPropertyFontWeight:
// Don't use CSSPropertyFont because old UAs can't recognize them but are important for editing.
break;
case CSSPropertyListStyleType:
case CSSPropertyListStylePosition:
case CSSPropertyListStyleImage:
shorthandPropertyID = CSSPropertyListStyle;
break;
case CSSPropertyMarginTop:
case CSSPropertyMarginRight:
case CSSPropertyMarginBottom:
case CSSPropertyMarginLeft:
shorthandPropertyID = CSSPropertyMargin;
break;
case CSSPropertyOutlineWidth:
case CSSPropertyOutlineStyle:
case CSSPropertyOutlineColor:
shorthandPropertyID = CSSPropertyOutline;
break;
case CSSPropertyOverflowX:
case CSSPropertyOverflowY:
shorthandPropertyID = CSSPropertyOverflow;
break;
case CSSPropertyPaddingTop:
case CSSPropertyPaddingRight:
case CSSPropertyPaddingBottom:
case CSSPropertyPaddingLeft:
shorthandPropertyID = CSSPropertyPadding;
break;
case CSSPropertyTransitionProperty:
case CSSPropertyTransitionDuration:
case CSSPropertyTransitionTimingFunction:
case CSSPropertyTransitionDelay:
shorthandPropertyID = CSSPropertyTransition;
break;
case CSSPropertyWebkitAnimationName:
case CSSPropertyWebkitAnimationDuration:
case CSSPropertyWebkitAnimationTimingFunction:
case CSSPropertyWebkitAnimationDelay:
case CSSPropertyWebkitAnimationIterationCount:
case CSSPropertyWebkitAnimationDirection:
case CSSPropertyWebkitAnimationFillMode:
shorthandPropertyID = CSSPropertyWebkitAnimation;
break;
case CSSPropertyFlexDirection:
case CSSPropertyFlexWrap:
shorthandPropertyID = CSSPropertyFlexFlow;
break;
case CSSPropertyFlexBasis:
case CSSPropertyFlexGrow:
case CSSPropertyFlexShrink:
shorthandPropertyID = CSSPropertyFlex;
break;
case CSSPropertyWebkitMaskPositionX:
case CSSPropertyWebkitMaskPositionY:
case CSSPropertyWebkitMaskRepeatX:
case CSSPropertyWebkitMaskRepeatY:
case CSSPropertyWebkitMaskImage:
case CSSPropertyWebkitMaskRepeat:
case CSSPropertyWebkitMaskPosition:
case CSSPropertyWebkitMaskClip:
case CSSPropertyWebkitMaskOrigin:
shorthandPropertyID = CSSPropertyWebkitMask;
break;
case CSSPropertyWebkitTransformOriginX:
case CSSPropertyWebkitTransformOriginY:
case CSSPropertyWebkitTransformOriginZ:
shorthandPropertyID = CSSPropertyWebkitTransformOrigin;
break;
case CSSPropertyWebkitTransitionProperty:
case CSSPropertyWebkitTransitionDuration:
case CSSPropertyWebkitTransitionTimingFunction:
case CSSPropertyWebkitTransitionDelay:
shorthandPropertyID = CSSPropertyWebkitTransition;
break;
default:
break;
}
unsigned shortPropertyIndex = shorthandPropertyID - firstCSSProperty;
if (shorthandPropertyID) {
if (shorthandPropertyUsed.get(shortPropertyIndex))
continue;
if (!shorthandPropertyAppeared.get(shortPropertyIndex) && value.isNull())
value = m_propertySet.getPropertyValue(shorthandPropertyID);
shorthandPropertyAppeared.set(shortPropertyIndex);
}
if (!value.isNull()) {
if (shorthandPropertyID) {
propertyID = shorthandPropertyID;
shorthandPropertyUsed.set(shortPropertyIndex);
}
} else
value = property.value()->cssText();
if (value == "initial" && !CSSProperty::isInheritedProperty(propertyID))
continue;
result.append(getPropertyText(propertyID, value, property.isImportant(), numDecls++));
}
if (shorthandPropertyAppeared.get(CSSPropertyBackground - firstCSSProperty))
appendBackgroundPropertyAsText(result, numDecls);
ASSERT(!numDecls ^ !result.isEmpty());
return result.toString();
}
