csscomputedstyledeclaration.cpp

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                list->append(CSSPrimitiveValue::createIdentifier(CSSValueNone));
            return list.release();
        }
        case CSSPropertyWebkitAnimationTimingFunction:
            return getTimingFunctionValue(style->animations());
        case CSSPropertyWebkitAppearance:
            return CSSPrimitiveValue::create(style->appearance());
        case CSSPropertyWebkitBackfaceVisibility:
            return CSSPrimitiveValue::createIdentifier((style->backfaceVisibility() == BackfaceVisibilityHidden) ? CSSValueHidden : CSSValueVisible);
        case CSSPropertyWebkitBorderImage:
            return valueForNinePieceImage(style->borderImage());
        case CSSPropertyWebkitMaskBoxImage:
            return valueForNinePieceImage(style->maskBoxImage());
        case CSSPropertyWebkitFontSizeDelta:
            // Not a real style property -- used by the editing engine -- so has no computed value.
            break;
        case CSSPropertyWebkitMarginBottomCollapse:
            return CSSPrimitiveValue::create(style->marginBottomCollapse());
        case CSSPropertyWebkitMarginTopCollapse:
            return CSSPrimitiveValue::create(style->marginTopCollapse());
        case CSSPropertyWebkitPerspective:
            if (!style->hasPerspective())
                return CSSPrimitiveValue::createIdentifier(CSSValueNone);
            return CSSPrimitiveValue::create(style->perspective(), CSSPrimitiveValue::CSS_NUMBER);
        case CSSPropertyWebkitPerspectiveOrigin: {
            RefPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
            if (renderer) {
                IntRect box = sizingBox(renderer);
                list->append(CSSPrimitiveValue::create(style->perspectiveOriginX().calcMinValue(box.width()), CSSPrimitiveValue::CSS_PX));
                list->append(CSSPrimitiveValue::create(style->perspectiveOriginY().calcMinValue(box.height()), CSSPrimitiveValue::CSS_PX));
            }
            else {
                list->append(CSSPrimitiveValue::create(style->perspectiveOriginX()));
                list->append(CSSPrimitiveValue::create(style->perspectiveOriginY()));
            }
            return list.release();
        }
        case CSSPropertyWebkitRtlOrdering:
            if (style->visuallyOrdered())
                return CSSPrimitiveValue::createIdentifier(CSSValueVisual);
            return CSSPrimitiveValue::createIdentifier(CSSValueLogical);
        case CSSPropertyWebkitUserDrag:
            return CSSPrimitiveValue::create(style->userDrag());
        case CSSPropertyWebkitUserSelect:
            return CSSPrimitiveValue::create(style->userSelect());
        case CSSPropertyWebkitBorderBottomLeftRadius:
            return getBorderRadiusCornerValue(style->borderBottomLeftRadius());
        case CSSPropertyWebkitBorderBottomRightRadius:
            return getBorderRadiusCornerValue(style->borderBottomRightRadius());
        case CSSPropertyWebkitBorderTopLeftRadius:
            return getBorderRadiusCornerValue(style->borderTopLeftRadius());
        case CSSPropertyWebkitBorderTopRightRadius:
            return getBorderRadiusCornerValue(style->borderTopRightRadius());
        case CSSPropertyClip:
        {
            if (style->hasClip()) {
                RefPtr<Rect> rect = Rect::create();
                rect->setTop(CSSPrimitiveValue::create(style->clip().top().value(), CSSPrimitiveValue::CSS_PX));
                rect->setRight(CSSPrimitiveValue::create(style->clip().right().value(), CSSPrimitiveValue::CSS_PX));
                rect->setBottom(CSSPrimitiveValue::create(style->clip().bottom().value(), CSSPrimitiveValue::CSS_PX));
                rect->setLeft(CSSPrimitiveValue::create(style->clip().left().value(), CSSPrimitiveValue::CSS_PX));
                return CSSPrimitiveValue::create(rect.release());
            }
            return 0;
        }
        case CSSPropertyWebkitTransform:
            return computedTransform(renderer, style.get());
        case CSSPropertyWebkitTransformOrigin: {
            RefPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
            if (renderer) {
                IntRect box = sizingBox(renderer);
                list->append(CSSPrimitiveValue::create(style->transformOriginX().calcMinValue(box.width()), CSSPrimitiveValue::CSS_PX));
                list->append(CSSPrimitiveValue::create(style->transformOriginY().calcMinValue(box.height()), CSSPrimitiveValue::CSS_PX));
                if (style->transformOriginZ() != 0)
                    list->append(CSSPrimitiveValue::create(style->transformOriginZ(), CSSPrimitiveValue::CSS_PX));
            } else {
                list->append(CSSPrimitiveValue::create(style->transformOriginX()));
                list->append(CSSPrimitiveValue::create(style->transformOriginY()));
                if (style->transformOriginZ() != 0)
                    list->append(CSSPrimitiveValue::create(style->transformOriginZ(), CSSPrimitiveValue::CSS_PX));
            }
            return list.release();
        }
        case CSSPropertyWebkitTransformStyle:
            return CSSPrimitiveValue::createIdentifier((style->transformStyle3D() == TransformStyle3DPreserve3D) ? CSSValuePreserve3d : CSSValueFlat);
        case CSSPropertyWebkitTransitionDelay:
            return getDelayValue(style->transitions());
        case CSSPropertyWebkitTransitionDuration:
            return getDurationValue(style->transitions());
        case CSSPropertyWebkitTransitionProperty: {
            RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
            const AnimationList* t = style->transitions();
            if (t) {
                for (size_t i = 0; i < t->size(); ++i) {
                    int prop = t->animation(i)->property();
                    RefPtr<CSSValue> propertyValue;
                    if (prop == cAnimateNone)
                        propertyValue = CSSPrimitiveValue::createIdentifier(CSSValueNone);
                    else if (prop == cAnimateAll)
                        propertyValue = CSSPrimitiveValue::createIdentifier(CSSValueAll);
                    else
                        propertyValue = CSSPrimitiveValue::create(getPropertyName(static_cast<CSSPropertyID>(prop)), CSSPrimitiveValue::CSS_STRING);
                    list->append(propertyValue);
                }
            } else
                list->append(CSSPrimitiveValue::createIdentifier(CSSValueAll));
            return list.release();
        }
        case CSSPropertyWebkitTransitionTimingFunction:
            return getTimingFunctionValue(style->transitions());
        case CSSPropertyPointerEvents:
            return CSSPrimitiveValue::create(style->pointerEvents());

        /* Shorthand properties, currently not supported see bug 13658*/
        case CSSPropertyBackground:
        case CSSPropertyBorder:
        case CSSPropertyBorderBottom:
        case CSSPropertyBorderColor:
        case CSSPropertyBorderLeft:
        case CSSPropertyBorderRight:
        case CSSPropertyBorderStyle:
        case CSSPropertyBorderTop:
        case CSSPropertyBorderWidth:
        case CSSPropertyFont:
        case CSSPropertyListStyle:
        case CSSPropertyMargin:
        case CSSPropertyPadding:
            break;

        /* Unimplemented CSS 3 properties (including CSS3 shorthand properties) */
        case CSSPropertyTextLineThrough:
        case CSSPropertyTextLineThroughColor:
        case CSSPropertyTextLineThroughMode:
        case CSSPropertyTextLineThroughStyle:
        case CSSPropertyTextLineThroughWidth:
        case CSSPropertyTextOverflow:
        case CSSPropertyTextOverline:
        case CSSPropertyTextOverlineColor:
        case CSSPropertyTextOverlineMode:
        case CSSPropertyTextOverlineStyle:
        case CSSPropertyTextOverlineWidth:
        case CSSPropertyTextUnderline:
        case CSSPropertyTextUnderlineColor:
        case CSSPropertyTextUnderlineMode:
        case CSSPropertyTextUnderlineStyle:
        case CSSPropertyTextUnderlineWidth:
            break;

        /* Unimplemented @font-face properties */
        case CSSPropertyFontStretch:
        case CSSPropertySrc:
        case CSSPropertyUnicodeRange:
            break;

        /* Other unimplemented properties */
        case CSSPropertyContent: // FIXME: needs implementation, bug 23668
        case CSSPropertyCounterIncrement:
        case CSSPropertyCounterReset:
        case CSSPropertyOutline: // FIXME: needs implementation
        case CSSPropertyOutlineOffset: // FIXME: needs implementation
        case CSSPropertyPage: // for @page
        case CSSPropertyQuotes: // FIXME: needs implementation
        case CSSPropertySize: // for @page
            break;

        /* Unimplemented -webkit- properties */
        case CSSPropertyWebkitAnimation:
        case CSSPropertyWebkitBorderRadius:
        case CSSPropertyWebkitColumns:
        case CSSPropertyWebkitColumnRule:
        case CSSPropertyWebkitMarginCollapse:
        case CSSPropertyWebkitMarginStart:
        case CSSPropertyWebkitMarquee:
        case CSSPropertyWebkitMarqueeSpeed:
        case CSSPropertyWebkitMask:
        case CSSPropertyWebkitPaddingStart:
        case CSSPropertyWebkitTextStroke:
        case CSSPropertyWebkitTransition:
        case CSSPropertyWebkitVariableDeclarationBlock:
            break;
#if ENABLE(SVG)
        // FIXME: This default case ruins the point of using an enum for
        // properties -- it prevents us from getting a warning when we
        // forget to list a property above.
        default:
            return getSVGPropertyCSSValue(propertyID, DoNotUpdateLayout);
#endif
    }

    LOG_ERROR("unimplemented propertyID: %d", propertyID);
    return 0;
}

String CSSComputedStyleDeclaration::getPropertyValue(int propertyID) const
{
    RefPtr<CSSValue> value = getPropertyCSSValue(propertyID);
    if (value)
        return value->cssText();
    return "";
}

bool CSSComputedStyleDeclaration::getPropertyPriority(int /*propertyID*/) const
{
    // All computed styles have a priority of false (not "important").
    return false;
}

String CSSComputedStyleDeclaration::removeProperty(int /*propertyID*/, ExceptionCode& ec)
{
    ec = NO_MODIFICATION_ALLOWED_ERR;
    return String();
}

void CSSComputedStyleDeclaration::setProperty(int /*propertyID*/, const String& /*value*/, bool /*important*/, ExceptionCode& ec)
{
    ec = NO_MODIFICATION_ALLOWED_ERR;
}

unsigned CSSComputedStyleDeclaration::length() const
{
    Node* node = m_node.get();
    if (!node)
        return 0;

    RenderStyle* style = node->computedStyle();
    if (!style)
        return 0;

    return numComputedProperties;
}

String CSSComputedStyleDeclaration::item(unsigned i) const
{
    if (i >= length())
        return String();

    return getPropertyName(static_cast<CSSPropertyID>(computedProperties[i]));
}

// This is the list of properties we want to copy in the copyInheritableProperties() function.
// It is the intersection of the list of inherited CSS properties and the
// properties for which we have a computed implementation in this file.
const int inheritableProperties[] = {
    CSSPropertyBorderCollapse,
    CSSPropertyColor,
    CSSPropertyFontFamily,
    CSSPropertyFontSize,
    CSSPropertyFontStyle,
    CSSPropertyFontVariant,
    CSSPropertyFontWeight,
    CSSPropertyLetterSpacing,
    CSSPropertyLineHeight,
    CSSPropertyOrphans,
    CSSPropertyTextAlign,
    CSSPropertyTextIndent,
    CSSPropertyTextTransform,
    CSSPropertyWhiteSpace,
    CSSPropertyWidows,
    CSSPropertyWordSpacing,
    CSSPropertyWebkitBorderHorizontalSpacing,
    CSSPropertyWebkitBorderVerticalSpacing,
    CSSPropertyWebkitTextDecorationsInEffect,
    CSSPropertyWebkitTextFillColor,
    CSSPropertyWebkitTextSizeAdjust,
    CSSPropertyWebkitTextStrokeColor,
    CSSPropertyWebkitTextStrokeWidth,
};

const unsigned numInheritableProperties = sizeof(inheritableProperties) / sizeof(inheritableProperties[0]);

void CSSComputedStyleDeclaration::removeComputedInheritablePropertiesFrom(CSSMutableStyleDeclaration* declaration)
{
    declaration->removePropertiesInSet(inheritableProperties, numInheritableProperties);
}

PassRefPtr<CSSMutableStyleDeclaration> CSSComputedStyleDeclaration::copyInheritableProperties() const
{
    RefPtr<CSSMutableStyleDeclaration> style = copyPropertiesInSet(inheritableProperties, numInheritableProperties);
    if (style && m_node && m_node->computedStyle()) {
        // If a node's text fill color is invalid, then its children use 
        // their font-color as their text fill color (they don't
        // inherit it).  Likewise for stroke color.
        ExceptionCode ec = 0;
        if (!m_node->computedStyle()->textFillColor().isValid())
            style->removePrope