| /* |
| * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2007, 2008 Rob Buis <buis@kde.org> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "config.h" |
| |
| #include "core/svg/SVGStyledElement.h" |
| |
| #include "HTMLNames.h" |
| #include "SVGNames.h" |
| #include "core/css/CSSParser.h" |
| #include "core/dom/Attr.h" |
| #include "core/dom/Document.h" |
| #include "core/dom/EventNames.h" |
| #include "core/dom/NodeTraversal.h" |
| #include "core/dom/shadow/ShadowRoot.h" |
| #include "core/rendering/RenderObject.h" |
| #include "core/rendering/style/SVGRenderStyle.h" |
| #include "core/rendering/svg/RenderSVGResource.h" |
| #include "core/rendering/svg/RenderSVGResourceClipper.h" |
| #include "core/rendering/svg/RenderSVGResourceFilter.h" |
| #include "core/rendering/svg/RenderSVGResourceMasker.h" |
| #include "core/rendering/svg/SVGRenderSupport.h" |
| #include "core/svg/SVGElement.h" |
| #include "core/svg/SVGElementInstance.h" |
| #include "core/svg/SVGElementRareData.h" |
| #include "core/svg/SVGSVGElement.h" |
| #include "core/svg/SVGUseElement.h" |
| #include <wtf/Assertions.h> |
| #include <wtf/HashMap.h> |
| #include <wtf/StdLibExtras.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebCore { |
| |
| // Animated property definitions |
| DEFINE_ANIMATED_STRING(SVGStyledElement, HTMLNames::classAttr, ClassName, className) |
| |
| BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGStyledElement) |
| REGISTER_LOCAL_ANIMATED_PROPERTY(className) |
| END_REGISTER_ANIMATED_PROPERTIES |
| |
| using namespace SVGNames; |
| |
| void mapAttributeToCSSProperty(HashMap<AtomicStringImpl*, CSSPropertyID>* propertyNameToIdMap, const QualifiedName& attrName) |
| { |
| // FIXME: when CSS supports "transform-origin" the special case for transform_originAttr can be removed. |
| CSSPropertyID propertyId = cssPropertyID(attrName.localName()); |
| if (!propertyId && attrName == transform_originAttr) |
| propertyId = CSSPropertyWebkitTransformOrigin; // cssPropertyID("-webkit-transform-origin") |
| ASSERT(propertyId > 0); |
| propertyNameToIdMap->set(attrName.localName().impl(), propertyId); |
| } |
| |
| SVGStyledElement::SVGStyledElement(const QualifiedName& tagName, Document* document, ConstructionType constructionType) |
| : SVGElement(tagName, document, constructionType) |
| { |
| ScriptWrappable::init(this); |
| registerAnimatedPropertiesForSVGStyledElement(); |
| } |
| |
| String SVGStyledElement::title() const |
| { |
| // According to spec, we should not return titles when hovering over root <svg> elements (those |
| // <title> elements are the title of the document, not a tooltip) so we instantly return. |
| if (isOutermostSVGSVGElement()) |
| return String(); |
| |
| // Walk up the tree, to find out whether we're inside a <use> shadow tree, to find the right title. |
| if (isInShadowTree()) { |
| Element* shadowHostElement = toShadowRoot(treeScope()->rootNode())->host(); |
| // At this time, SVG nodes are not allowed in non-<use> shadow trees, so any shadow root we do |
| // have should be a use. The assert and following test is here to catch future shadow DOM changes |
| // that do enable SVG in a shadow tree. |
| ASSERT(!shadowHostElement || shadowHostElement->hasTagName(SVGNames::useTag)); |
| if (shadowHostElement && shadowHostElement->hasTagName(SVGNames::useTag)) { |
| SVGUseElement* useElement = toSVGUseElement(shadowHostElement); |
| |
| // If the <use> title is not empty we found the title to use. |
| String useTitle(useElement->title()); |
| if (!useTitle.isEmpty()) |
| return useTitle; |
| } |
| } |
| |
| // If we aren't an instance in a <use> or the <use> title was not found, then find the first |
| // <title> child of this element. |
| Element* titleElement = ElementTraversal::firstWithin(this); |
| for (; titleElement; titleElement = ElementTraversal::nextSkippingChildren(titleElement, this)) { |
| if (titleElement->hasTagName(SVGNames::titleTag) && titleElement->isSVGElement()) |
| break; |
| } |
| |
| // If a title child was found, return the text contents. |
| if (titleElement) |
| return titleElement->innerText(); |
| |
| // Otherwise return a null/empty string. |
| return String(); |
| } |
| |
| bool SVGStyledElement::rendererIsNeeded(const NodeRenderingContext& context) |
| { |
| // http://www.w3.org/TR/SVG/extend.html#PrivateData |
| // Prevent anything other than SVG renderers from appearing in our render tree |
| // Spec: SVG allows inclusion of elements from foreign namespaces anywhere |
| // with the SVG content. In general, the SVG user agent will include the unknown |
| // elements in the DOM but will otherwise ignore unknown elements. |
| if (!parentOrShadowHostElement() || parentOrShadowHostElement()->isSVGElement()) |
| return Element::rendererIsNeeded(context); |
| |
| return false; |
| } |
| |
| CSSPropertyID SVGStyledElement::cssPropertyIdForSVGAttributeName(const QualifiedName& attrName) |
| { |
| if (!attrName.namespaceURI().isNull()) |
| return CSSPropertyInvalid; |
| |
| static HashMap<AtomicStringImpl*, CSSPropertyID>* propertyNameToIdMap = 0; |
| if (!propertyNameToIdMap) { |
| propertyNameToIdMap = new HashMap<AtomicStringImpl*, CSSPropertyID>; |
| // This is a list of all base CSS and SVG CSS properties which are exposed as SVG XML attributes |
| mapAttributeToCSSProperty(propertyNameToIdMap, alignment_baselineAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, baseline_shiftAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, buffered_renderingAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, clipAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, clip_pathAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, clip_ruleAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, SVGNames::colorAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, color_interpolationAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, color_interpolation_filtersAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, color_profileAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, color_renderingAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, cursorAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, SVGNames::directionAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, displayAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, dominant_baselineAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, enable_backgroundAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, fillAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, fill_opacityAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, fill_ruleAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, filterAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, flood_colorAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, flood_opacityAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, font_familyAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, font_sizeAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, font_stretchAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, font_styleAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, font_variantAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, font_weightAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, glyph_orientation_horizontalAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, glyph_orientation_verticalAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, image_renderingAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, kerningAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, letter_spacingAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, lighting_colorAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, marker_endAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, marker_midAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, marker_startAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, maskAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, mask_typeAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, opacityAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, overflowAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, pointer_eventsAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, shape_renderingAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, stop_colorAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, stop_opacityAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, strokeAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, stroke_dasharrayAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, stroke_dashoffsetAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, stroke_linecapAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, stroke_linejoinAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, stroke_miterlimitAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, stroke_opacityAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, stroke_widthAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, text_anchorAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, text_decorationAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, text_renderingAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, transform_originAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, unicode_bidiAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, vector_effectAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, visibilityAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, word_spacingAttr); |
| mapAttributeToCSSProperty(propertyNameToIdMap, writing_modeAttr); |
| } |
| |
| return propertyNameToIdMap->get(attrName.localName().impl()); |
| } |
| |
| typedef HashMap<QualifiedName, AnimatedPropertyType> AttributeToPropertyTypeMap; |
| static inline AttributeToPropertyTypeMap& cssPropertyToTypeMap() |
| { |
| DEFINE_STATIC_LOCAL(AttributeToPropertyTypeMap, s_cssPropertyMap, ()); |
| |
| if (!s_cssPropertyMap.isEmpty()) |
| return s_cssPropertyMap; |
| |
| // Fill the map for the first use. |
| s_cssPropertyMap.set(alignment_baselineAttr, AnimatedString); |
| s_cssPropertyMap.set(baseline_shiftAttr, AnimatedString); |
| s_cssPropertyMap.set(buffered_renderingAttr, AnimatedString); |
| s_cssPropertyMap.set(clipAttr, AnimatedRect); |
| s_cssPropertyMap.set(clip_pathAttr, AnimatedString); |
| s_cssPropertyMap.set(clip_ruleAttr, AnimatedString); |
| s_cssPropertyMap.set(SVGNames::colorAttr, AnimatedColor); |
| s_cssPropertyMap.set(color_interpolationAttr, AnimatedString); |
| s_cssPropertyMap.set(color_interpolation_filtersAttr, AnimatedString); |
| s_cssPropertyMap.set(color_profileAttr, AnimatedString); |
| s_cssPropertyMap.set(color_renderingAttr, AnimatedString); |
| s_cssPropertyMap.set(cursorAttr, AnimatedString); |
| s_cssPropertyMap.set(displayAttr, AnimatedString); |
| s_cssPropertyMap.set(dominant_baselineAttr, AnimatedString); |
| s_cssPropertyMap.set(fillAttr, AnimatedColor); |
| s_cssPropertyMap.set(fill_opacityAttr, AnimatedNumber); |
| s_cssPropertyMap.set(fill_ruleAttr, AnimatedString); |
| s_cssPropertyMap.set(filterAttr, AnimatedString); |
| s_cssPropertyMap.set(flood_colorAttr, AnimatedColor); |
| s_cssPropertyMap.set(flood_opacityAttr, AnimatedNumber); |
| s_cssPropertyMap.set(font_familyAttr, AnimatedString); |
| s_cssPropertyMap.set(font_sizeAttr, AnimatedLength); |
| s_cssPropertyMap.set(font_stretchAttr, AnimatedString); |
| s_cssPropertyMap.set(font_styleAttr, AnimatedString); |
| s_cssPropertyMap.set(font_variantAttr, AnimatedString); |
| s_cssPropertyMap.set(font_weightAttr, AnimatedString); |
| s_cssPropertyMap.set(image_renderingAttr, AnimatedString); |
| s_cssPropertyMap.set(kerningAttr, AnimatedLength); |
| s_cssPropertyMap.set(letter_spacingAttr, AnimatedLength); |
| s_cssPropertyMap.set(lighting_colorAttr, AnimatedColor); |
| s_cssPropertyMap.set(marker_endAttr, AnimatedString); |
| s_cssPropertyMap.set(marker_midAttr, AnimatedString); |
| s_cssPropertyMap.set(marker_startAttr, AnimatedString); |
| s_cssPropertyMap.set(maskAttr, AnimatedString); |
| s_cssPropertyMap.set(mask_typeAttr, AnimatedString); |
| s_cssPropertyMap.set(opacityAttr, AnimatedNumber); |
| s_cssPropertyMap.set(overflowAttr, AnimatedString); |
| s_cssPropertyMap.set(pointer_eventsAttr, AnimatedString); |
| s_cssPropertyMap.set(shape_renderingAttr, AnimatedString); |
| s_cssPropertyMap.set(stop_colorAttr, AnimatedColor); |
| s_cssPropertyMap.set(stop_opacityAttr, AnimatedNumber); |
| s_cssPropertyMap.set(strokeAttr, AnimatedColor); |
| s_cssPropertyMap.set(stroke_dasharrayAttr, AnimatedLengthList); |
| s_cssPropertyMap.set(stroke_dashoffsetAttr, AnimatedLength); |
| s_cssPropertyMap.set(stroke_linecapAttr, AnimatedString); |
| s_cssPropertyMap.set(stroke_linejoinAttr, AnimatedString); |
| s_cssPropertyMap.set(stroke_miterlimitAttr, AnimatedNumber); |
| s_cssPropertyMap.set(stroke_opacityAttr, AnimatedNumber); |
| s_cssPropertyMap.set(stroke_widthAttr, AnimatedLength); |
| s_cssPropertyMap.set(text_anchorAttr, AnimatedString); |
| s_cssPropertyMap.set(text_decorationAttr, AnimatedString); |
| s_cssPropertyMap.set(text_renderingAttr, AnimatedString); |
| s_cssPropertyMap.set(vector_effectAttr, AnimatedString); |
| s_cssPropertyMap.set(visibilityAttr, AnimatedString); |
| s_cssPropertyMap.set(word_spacingAttr, AnimatedLength); |
| return s_cssPropertyMap; |
| } |
| |
| void SVGStyledElement::animatedPropertyTypeForAttribute(const QualifiedName& attrName, Vector<AnimatedPropertyType>& propertyTypes) |
| { |
| SVGElement::animatedPropertyTypeForAttribute(attrName, propertyTypes); |
| if (!propertyTypes.isEmpty()) |
| return; |
| |
| AttributeToPropertyTypeMap& cssPropertyTypeMap = cssPropertyToTypeMap(); |
| if (cssPropertyTypeMap.contains(attrName)) |
| propertyTypes.append(cssPropertyTypeMap.get(attrName)); |
| } |
| |
| bool SVGStyledElement::isAnimatableCSSProperty(const QualifiedName& attrName) |
| { |
| return cssPropertyToTypeMap().contains(attrName); |
| } |
| |
| bool SVGStyledElement::isPresentationAttribute(const QualifiedName& name) const |
| { |
| if (SVGStyledElement::cssPropertyIdForSVGAttributeName(name) > 0) |
| return true; |
| return SVGElement::isPresentationAttribute(name); |
| } |
| |
| void SVGStyledElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style) |
| { |
| CSSPropertyID propertyID = SVGStyledElement::cssPropertyIdForSVGAttributeName(name); |
| if (propertyID > 0) |
| addPropertyToPresentationAttributeStyle(style, propertyID, value); |
| } |
| |
| void SVGStyledElement::parseAttribute(const QualifiedName& name, const AtomicString& value) |
| { |
| // SVG animation has currently requires special storage of values so we set |
| // the className here. svgAttributeChanged actually causes the resulting |
| // style updates (instead of Element::parseAttribute). We don't |
| // tell Element about the change to avoid parsing the class list twice |
| if (name == HTMLNames::classAttr) { |
| setClassNameBaseValue(value); |
| return; |
| } |
| |
| // id is handled by Element which SVGElement inherits from |
| SVGElement::parseAttribute(name, value); |
| } |
| |
| bool SVGStyledElement::isKnownAttribute(const QualifiedName& attrName) |
| { |
| return isIdAttributeName(attrName); |
| } |
| |
| void SVGStyledElement::svgAttributeChanged(const QualifiedName& attrName) |
| { |
| CSSPropertyID propId = SVGStyledElement::cssPropertyIdForSVGAttributeName(attrName); |
| if (propId > 0) { |
| SVGElementInstance::invalidateAllInstancesOfElement(this); |
| return; |
| } |
| |
| if (attrName == HTMLNames::classAttr) { |
| classAttributeChanged(classNameCurrentValue()); |
| SVGElementInstance::invalidateAllInstancesOfElement(this); |
| return; |
| } |
| |
| if (isIdAttributeName(attrName)) { |
| RenderObject* object = renderer(); |
| // Notify resources about id changes, this is important as we cache resources by id in SVGDocumentExtensions |
| if (object && object->isSVGResourceContainer()) |
| object->toRenderSVGResourceContainer()->idChanged(); |
| if (inDocument()) |
| buildPendingResourcesIfNeeded(); |
| SVGElementInstance::invalidateAllInstancesOfElement(this); |
| return; |
| } |
| } |
| |
| Node::InsertionNotificationRequest SVGStyledElement::insertedInto(ContainerNode* rootParent) |
| { |
| SVGElement::insertedInto(rootParent); |
| updateRelativeLengthsInformation(); |
| buildPendingResourcesIfNeeded(); |
| return InsertionDone; |
| } |
| |
| void SVGStyledElement::buildPendingResourcesIfNeeded() |
| { |
| Document* document = this->document(); |
| if (!needsPendingResourceHandling() || !document || !inDocument() || isInShadowTree()) |
| return; |
| |
| SVGDocumentExtensions* extensions = document->accessSVGExtensions(); |
| String resourceId = getIdAttribute(); |
| if (!extensions->hasPendingResource(resourceId)) |
| return; |
| |
| // Mark pending resources as pending for removal. |
| extensions->markPendingResourcesForRemoval(resourceId); |
| |
| // Rebuild pending resources for each client of a pending resource that is being removed. |
| while (Element* clientElement = extensions->removeElementFromPendingResourcesForRemoval(resourceId)) { |
| ASSERT(clientElement->hasPendingResources()); |
| if (clientElement->hasPendingResources()) { |
| clientElement->buildPendingResource(); |
| extensions->clearHasPendingResourcesIfPossible(clientElement); |
| } |
| } |
| } |
| |
| void SVGStyledElement::removedFrom(ContainerNode* rootParent) |
| { |
| if (rootParent->inDocument()) |
| updateRelativeLengthsInformation(false, this); |
| SVGElement::removedFrom(rootParent); |
| SVGElementInstance::invalidateAllInstancesOfElement(this); |
| } |
| |
| void SVGStyledElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) |
| { |
| SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta); |
| |
| // Invalidate all SVGElementInstances associated with us |
| if (!changedByParser) |
| SVGElementInstance::invalidateAllInstancesOfElement(this); |
| } |
| |
| PassRefPtr<CSSValue> SVGStyledElement::getPresentationAttribute(const String& name) |
| { |
| if (!hasAttributesWithoutUpdate()) |
| return 0; |
| |
| QualifiedName attributeName(nullAtom, name, nullAtom); |
| const Attribute* attr = getAttributeItem(attributeName); |
| if (!attr) |
| return 0; |
| |
| RefPtr<MutableStylePropertySet> style = MutableStylePropertySet::create(SVGAttributeMode); |
| CSSPropertyID propertyID = SVGStyledElement::cssPropertyIdForSVGAttributeName(attr->name()); |
| style->setProperty(propertyID, attr->value()); |
| RefPtr<CSSValue> cssValue = style->getPropertyCSSValue(propertyID); |
| return cssValue ? cssValue->cloneForCSSOM() : 0; |
| } |
| |
| bool SVGStyledElement::instanceUpdatesBlocked() const |
| { |
| return hasSVGRareData() && svgRareData()->instanceUpdatesBlocked(); |
| } |
| |
| void SVGStyledElement::setInstanceUpdatesBlocked(bool value) |
| { |
| if (hasSVGRareData()) |
| svgRareData()->setInstanceUpdatesBlocked(value); |
| } |
| |
| AffineTransform SVGStyledElement::localCoordinateSpaceTransform(SVGLocatable::CTMScope) const |
| { |
| // To be overriden by SVGStyledLocatableElement/SVGGraphicsElement (or as special case SVGTextElement and SVGPatternElement) |
| return AffineTransform(); |
| } |
| |
| void SVGStyledElement::updateRelativeLengthsInformation(bool hasRelativeLengths, SVGStyledElement* element) |
| { |
| // If we're not yet in a document, this function will be called again from insertedInto(). Do nothing now. |
| if (!inDocument()) |
| return; |
| |
| // An element wants to notify us that its own relative lengths state changed. |
| // Register it in the relative length map, and register us in the parent relative length map. |
| // Register the parent in the grandparents map, etc. Repeat procedure until the root of the SVG tree. |
| |
| if (hasRelativeLengths) |
| m_elementsWithRelativeLengths.add(element); |
| else { |
| if (!m_elementsWithRelativeLengths.contains(element)) { |
| // We were never registered. Do nothing. |
| return; |
| } |
| |
| m_elementsWithRelativeLengths.remove(element); |
| } |
| |
| // Find first styled parent node, and notify it that we've changed our relative length state. |
| ContainerNode* node = parentNode(); |
| while (node) { |
| if (!node->isSVGElement()) |
| break; |
| |
| SVGElement* element = toSVGElement(node); |
| if (!element->isSVGStyledElement()) { |
| node = node->parentNode(); |
| continue; |
| } |
| |
| // Register us in the parent element map. |
| toSVGStyledElement(element)->updateRelativeLengthsInformation(hasRelativeLengths, this); |
| break; |
| } |
| } |
| |
| bool SVGStyledElement::isMouseFocusable() const |
| { |
| if (!isFocusable()) |
| return false; |
| Element* eventTarget = const_cast<SVGStyledElement *>(this); |
| return eventTarget->hasEventListeners(eventNames().focusinEvent) || eventTarget->hasEventListeners(eventNames().focusoutEvent); |
| } |
| |
| bool SVGStyledElement::isKeyboardFocusable(KeyboardEvent*) const |
| { |
| return isMouseFocusable(); |
| } |
| |
| } |