void MutableStylePropertySet::removeEquivalentProperties(const StylePropertySet* style)
{
    Vector<CSSPropertyID> propertiesToRemove;
    unsigned size = m_propertyVector.size();
    for (unsigned i = 0; i < size; ++i) {
        PropertyReference property = propertyAt(i);
        if (style->propertyMatches(property.id(), property.value()))
            propertiesToRemove.append(property.id());
    }
    // FIXME: This should use mass removal.
    for (unsigned i = 0; i < propertiesToRemove.size(); ++i)
        removeProperty(propertiesToRemove[i]);
}
示例#2
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bool StylePropertySet::propertyMatches(const PropertyReference& property) const
{
    int foundPropertyIndex = findPropertyIndex(property.id());
    if (foundPropertyIndex == -1)
        return false;
    return propertyAt(foundPropertyIndex).value()->cssText() == property.value()->cssText();
}
示例#3
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void MutableStylePropertySet::mergeAndOverrideOnConflict(const StylePropertySet* other)
{
    unsigned size = other->propertyCount();
    for (unsigned n = 0; n < size; ++n) {
        PropertyReference toMerge = other->propertyAt(n);
        CSSProperty* old = findCSSPropertyWithID(toMerge.id());
        if (old)
            setProperty(toMerge.toCSSProperty(), old);
        else
            appendPrefixingVariantProperty(toMerge.toCSSProperty());
    }
}
示例#4
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void StylePropertySet::mergeAndOverrideOnConflict(const StylePropertySet* other)
{
    ASSERT(isMutable());
    unsigned size = other->propertyCount();
    for (unsigned n = 0; n < size; ++n) {
        PropertyReference toMerge = other->propertyAt(n);
        CSSProperty* old = findMutableCSSPropertyWithID(toMerge.id());
        if (old)
            setProperty(toMerge.toCSSProperty(), old);
        else
            mutablePropertyVector().append(toMerge.toCSSProperty());
    }
}
void MutableStylePropertySet::mergeAndOverrideOnConflict(const StylePropertySet* other)
{
    unsigned size = other->propertyCount();
    for (unsigned n = 0; n < size; ++n) {
        PropertyReference toMerge = other->propertyAt(n);
        // TODO(leviw): This probably doesn't work correctly with Custom Properties
        CSSProperty* old = findCSSPropertyWithID(toMerge.id());
        if (old)
            setProperty(toMerge.toCSSProperty(), old);
        else
            m_propertyVector.append(toMerge.toCSSProperty());
    }
}
示例#6
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void StylePropertySet::removeEquivalentProperties(const CSSStyleDeclaration* style)
{
    ASSERT(isMutable());
    Vector<CSSPropertyID> propertiesToRemove;
    unsigned size = mutablePropertyVector().size();
    for (unsigned i = 0; i < size; ++i) {
        PropertyReference property = propertyAt(i);
        if (style->cssPropertyMatches(property.id(), property.value()))
            propertiesToRemove.append(property.id());
    }    
    // FIXME: This should use mass removal.
    for (unsigned i = 0; i < propertiesToRemove.size(); ++i)
        removeProperty(propertiesToRemove[i]);
}
示例#7
0
String StylePropertySet::asText() const
{
    StringBuilder result;

    int positionXPropertyIndex = -1;
    int positionYPropertyIndex = -1;
    int repeatXPropertyIndex = -1;
    int repeatYPropertyIndex = -1;

    BitArray<numCSSProperties> shorthandPropertyUsed;
    BitArray<numCSSProperties> shorthandPropertyAppeared;

    unsigned size = propertyCount();
    unsigned numDecls = 0;
    for (unsigned n = 0; n < size; ++n) {
        PropertyReference property = propertyAt(n);
        CSSPropertyID propertyID = property.id();
        CSSPropertyID shorthandPropertyID = CSSPropertyInvalid;
        CSSPropertyID borderFallbackShorthandProperty = CSSPropertyInvalid;
        String value;

        switch (propertyID) {
#if ENABLE(CSS_VARIABLES)
        case CSSPropertyVariable:
            if (numDecls++)
                result.append(' ');
            result.append(property.cssText());
            continue;
#endif
        case CSSPropertyBackgroundPositionX:
            positionXPropertyIndex = n;
            continue;
        case CSSPropertyBackgroundPositionY:
            positionYPropertyIndex = n;
            continue;
        case CSSPropertyBackgroundRepeatX:
            repeatXPropertyIndex = n;
            continue;
        case CSSPropertyBackgroundRepeatY:
            repeatYPropertyIndex = n;
            continue;
        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 CSSPropertyWebkitAnimationName:
        case CSSPropertyWebkitAnimationDuration:
        case CSSPropertyWebkitAnimationTimingFunction:
        case CSSPropertyWebkitAnimationDelay:
        case CSSPropertyWebkitAnimationIterationCount:
        case CSSPropertyWebkitAnimationDirection:
        case CSSPropertyWebkitAnimationFillMode:
            shorthandPropertyID = CSSPropertyWebkitAnimation;
            break;
        case CSSPropertyWebkitFlexDirection:
        case CSSPropertyWebkitFlexWrap:
            shorthandPropertyID = CSSPropertyWebkitFlexFlow;
            break;
        case CSSPropertyWebkitFlexBasis:
        case CSSPropertyWebkitFlexGrow:
        case CSSPropertyWebkitFlexShrink:
            shorthandPropertyID = CSSPropertyWebkitFlex;
            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;
#if ENABLE(CSS_EXCLUSIONS)
        case CSSPropertyWebkitWrapFlow:
        case CSSPropertyWebkitShapeMargin:
        case CSSPropertyWebkitShapePadding:
            shorthandPropertyID = CSSPropertyWebkitWrap;
            break;
#endif
        default:
            break;
        }

        unsigned shortPropertyIndex = shorthandPropertyID - firstCSSProperty;
        if (shorthandPropertyID) {
            if (shorthandPropertyUsed.get(shortPropertyIndex))
                continue;
            if (!shorthandPropertyAppeared.get(shortPropertyIndex) && value.isNull())
                value = getPropertyValue(shorthandPropertyID);
            shorthandPropertyAppeared.set(shortPropertyIndex);
        }

        if (!value.isNull()) {
            propertyID = shorthandPropertyID;
            shorthandPropertyUsed.set(shortPropertyIndex);
        } else
            value = property.value()->cssText();

        if (value == "initial" && !CSSProperty::isInheritedProperty(propertyID))
            continue;

        if (numDecls++)
            result.append(' ');
        result.append(getPropertyName(propertyID));
        result.appendLiteral(": ");
        result.append(value);
        if (property.isImportant())
            result.appendLiteral(" !important");
        result.append(';');
    }

    // FIXME: This is a not-so-nice way to turn x/y positions into single background-position in output.
    // It is required because background-position-x/y are non-standard properties and WebKit generated output
    // would not work in Firefox (<rdar://problem/5143183>)
    // It would be a better solution if background-position was CSS_PAIR.
    if (positionXPropertyIndex != -1 && positionYPropertyIndex != -1 && propertyAt(positionXPropertyIndex).isImportant() == propertyAt(positionYPropertyIndex).isImportant()) {
        PropertyReference positionXProperty = propertyAt(positionXPropertyIndex);
        PropertyReference positionYProperty = propertyAt(positionYPropertyIndex);

        if (numDecls++)
            result.append(' ');
        result.appendLiteral("background-position: ");
        if (positionXProperty.value()->isValueList() || positionYProperty.value()->isValueList())
            result.append(getLayeredShorthandValue(backgroundPositionShorthand()));
        else {
            result.append(positionXProperty.value()->cssText());
            result.append(' ');
            result.append(positionYProperty.value()->cssText());
        }
        if (positionXProperty.isImportant())
            result.appendLiteral(" !important");
        result.append(';');
    } else {
        if (positionXPropertyIndex != -1) {
            if (numDecls++)
                result.append(' ');
            result.append(propertyAt(positionXPropertyIndex).cssText());
        }
        if (positionYPropertyIndex != -1) {
            if (numDecls++)
                result.append(' ');
            result.append(propertyAt(positionYPropertyIndex).cssText());
        }
    }

    // FIXME: We need to do the same for background-repeat.
    if (repeatXPropertyIndex != -1 && repeatYPropertyIndex != -1 && propertyAt(repeatXPropertyIndex).isImportant() == propertyAt(repeatYPropertyIndex).isImportant()) {
        PropertyReference repeatXProperty = propertyAt(repeatXPropertyIndex);
        PropertyReference repeatYProperty = propertyAt(repeatYPropertyIndex);

        if (numDecls++)
            result.append(' ');
        result.appendLiteral("background-repeat: ");
        if (repeatXProperty.value()->isValueList() || repeatYProperty.value()->isValueList())
            result.append(getLayeredShorthandValue(backgroundRepeatShorthand()));
        else {
            result.append(repeatXProperty.value()->cssText());
            result.append(' ');
            result.append(repeatYProperty.value()->cssText());
        }
        if (repeatXProperty.isImportant())
            result.appendLiteral(" !important");
        result.append(';');
    } else {
        if (repeatXPropertyIndex != -1) {
            if (numDecls++)
                result.append(' ');
            result.append(propertyAt(repeatXPropertyIndex).cssText());
        }
        if (repeatYPropertyIndex != -1) {
            if (numDecls++)
                result.append(' ');
            result.append(propertyAt(repeatYPropertyIndex).cssText());
        }
    }

    ASSERT(!numDecls ^ !result.isEmpty());
    return result.toString();
}