#include "config.h"
#include "StyleResolver.h"
#include "Attribute.h"
#include "CSSBorderImage.h"
#include "CSSCalculationValue.h"
#include "CSSCursorImageValue.h"
#include "CSSDefaultStyleSheets.h"
#include "CSSFilterImageValue.h"
#include "CSSFontFaceRule.h"
#include "CSSFontFeatureValue.h"
#include "CSSFontSelector.h"
#include "CSSFontValue.h"
#include "CSSFunctionValue.h"
#include "CSSLineBoxContainValue.h"
#include "CSSPageRule.h"
#include "CSSParser.h"
#include "CSSPrimitiveValueMappings.h"
#include "CSSPropertyNames.h"
#include "CSSReflectValue.h"
#include "CSSSelector.h"
#include "CSSSelectorList.h"
#include "CSSShadowValue.h"
#include "CSSStyleRule.h"
#include "CSSSupportsRule.h"
#include "CSSTimingFunctionValue.h"
#include "CSSValueList.h"
#include "CachedImage.h"
#include "CachedResourceLoader.h"
#include "CachedSVGDocument.h"
#include "CachedSVGDocumentReference.h"
#include "CalculationValue.h"
#include "ContentData.h"
#include "Counter.h"
#include "CounterContent.h"
#include "CursorList.h"
#include "DeprecatedStyleBuilder.h"
#include "DocumentStyleSheetCollection.h"
#include "ElementRuleCollector.h"
#include "Frame.h"
#include "FrameSelection.h"
#include "FrameView.h"
#include "HTMLDocument.h"
#include "HTMLIFrameElement.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "HTMLOptGroupElement.h"
#include "HTMLOptionElement.h"
#include "HTMLProgressElement.h"
#include "HTMLStyleElement.h"
#include "HTMLTableElement.h"
#include "HTMLTextAreaElement.h"
#include "InsertionPoint.h"
#include "InspectorInstrumentation.h"
#include "KeyframeList.h"
#include "LinkHash.h"
#include "LocaleToScriptMapping.h"
#include "MathMLNames.h"
#include "MediaList.h"
#include "MediaQueryEvaluator.h"
#include "NodeRenderStyle.h"
#include "Page.h"
#include "PageRuleCollector.h"
#include "Pair.h"
#include "PseudoElement.h"
#include "QuotesData.h"
#include "Rect.h"
#include "RenderGrid.h"
#include "RenderRegion.h"
#include "RenderScrollbar.h"
#include "RenderScrollbarTheme.h"
#include "RenderStyleConstants.h"
#include "RenderTheme.h"
#include "RenderView.h"
#include "RuleSet.h"
#include "SVGDocument.h"
#include "SVGDocumentExtensions.h"
#include "SVGElement.h"
#include "SVGFontFaceElement.h"
#include "SVGNames.h"
#include "SVGURIReference.h"
#include "SecurityOrigin.h"
#include "Settings.h"
#include "ShadowData.h"
#include "ShadowRoot.h"
#include "StyleCachedImage.h"
#include "StyleFontSizeFunctions.h"
#include "StyleGeneratedImage.h"
#include "StylePendingImage.h"
#include "StyleProperties.h"
#include "StylePropertyShorthand.h"
#include "StyleRule.h"
#include "StyleRuleImport.h"
#include "StyleSheetContents.h"
#include "StyleSheetList.h"
#include "Text.h"
#include "TransformFunctions.h"
#include "TransformOperations.h"
#include "UserAgentStyleSheets.h"
#include "ViewportStyleResolver.h"
#include "VisitedLinkState.h"
#include "WebKitCSSKeyframeRule.h"
#include "WebKitCSSKeyframesRule.h"
#include "WebKitCSSRegionRule.h"
#include "WebKitCSSTransformValue.h"
#include "WebKitFontFamilyNames.h"
#include "XMLNames.h"
#include <bitset>
#include <wtf/StdLibExtras.h>
#include <wtf/Vector.h>
#if ENABLE(CSS_FILTERS)
#include "FilterOperation.h"
#include "WebKitCSSFilterValue.h"
#endif
#if ENABLE(CSS_GRID_LAYOUT)
#include "CSSGridLineNamesValue.h"
#include "CSSGridTemplateAreasValue.h"
#endif
#if ENABLE(CSS_IMAGE_SET)
#include "CSSImageSetValue.h"
#include "StyleCachedImageSet.h"
#endif
#if ENABLE(DASHBOARD_SUPPORT)
#include "DashboardRegion.h"
#endif
#if ENABLE(VIDEO_TRACK)
#include "WebVTTElement.h"
#endif
namespace WebCore {
using namespace HTMLNames;
class StyleResolver::CascadedProperties {
public:
CascadedProperties(TextDirection, WritingMode);
struct Property {
void apply(StyleResolver&);
CSSPropertyID id;
CSSValue* cssValue[3];
};
bool hasProperty(CSSPropertyID id) const;
Property& property(CSSPropertyID);
bool addMatches(const MatchResult&, bool important, int startIndex, int endIndex, bool inheritedOnly = false);
void set(CSSPropertyID, CSSValue&, unsigned linkMatchType);
void setDeferred(CSSPropertyID, CSSValue&, unsigned linkMatchType);
void applyDeferredProperties(StyleResolver&);
private:
bool addStyleProperties(const StyleProperties&, StyleRule&, bool isImportant, bool inheritedOnly, PropertyWhitelistType, unsigned linkMatchType);
static void setPropertyInternal(Property&, CSSPropertyID, CSSValue&, unsigned linkMatchType);
Property m_properties[numCSSProperties + 1];
std::bitset<numCSSProperties + 1> m_propertyIsPresent;
Vector<Property, 8> m_deferredProperties;
TextDirection m_direction;
WritingMode m_writingMode;
};
static void extractDirectionAndWritingMode(const RenderStyle&, const StyleResolver::MatchResult&, TextDirection&, WritingMode&);
#define HANDLE_INHERIT(prop, Prop) \
if (isInherit) { \
m_state.style()->set##Prop(m_state.parentStyle()->prop()); \
return; \
}
#define HANDLE_INHERIT_AND_INITIAL(prop, Prop) \
HANDLE_INHERIT(prop, Prop) \
if (isInitial) { \
m_state.style()->set##Prop(RenderStyle::initial##Prop()); \
return; \
}
RenderStyle* StyleResolver::s_styleNotYetAvailable;
inline void StyleResolver::State::cacheBorderAndBackground()
{
m_hasUAAppearance = m_style->hasAppearance();
if (m_hasUAAppearance) {
m_borderData = m_style->border();
m_backgroundData = *m_style->backgroundLayers();
m_backgroundColor = m_style->backgroundColor();
}
}
inline void StyleResolver::State::clear()
{
m_element = nullptr;
m_styledElement = nullptr;
m_parentStyle = nullptr;
m_regionForStyling = nullptr;
m_pendingImageProperties.clear();
#if ENABLE(CSS_FILTERS)
m_filtersWithPendingSVGDocuments.clear();
#endif
m_cssToLengthConversionData = CSSToLengthConversionData();
}
void StyleResolver::MatchResult::addMatchedProperties(const StyleProperties& properties, StyleRule* rule, unsigned linkMatchType, PropertyWhitelistType propertyWhitelistType)
{
matchedProperties.grow(matchedProperties.size() + 1);
StyleResolver::MatchedProperties& newProperties = matchedProperties.last();
newProperties.properties = const_cast<StyleProperties*>(&properties);
newProperties.linkMatchType = linkMatchType;
newProperties.whitelistType = propertyWhitelistType;
matchedRules.append(rule);
}
StyleResolver::StyleResolver(Document& document, bool matchAuthorAndUserStyles)
: m_matchedPropertiesCacheAdditionsSinceLastSweep(0)
, m_matchedPropertiesCacheSweepTimer(this, &StyleResolver::sweepMatchedPropertiesCache)
, m_document(document)
, m_matchAuthorAndUserStyles(matchAuthorAndUserStyles)
, m_fontSelector(CSSFontSelector::create(&m_document))
#if ENABLE(CSS_DEVICE_ADAPTATION)
, m_viewportStyleResolver(ViewportStyleResolver::create(&document))
#endif
, m_deprecatedStyleBuilder(DeprecatedStyleBuilder::sharedStyleBuilder())
, m_styleMap(this)
{
Element* root = m_document.documentElement();
CSSDefaultStyleSheets::initDefaultStyle(root);
FrameView* view = m_document.view();
if (view)
m_medium = std::make_unique<MediaQueryEvaluator>(view->mediaType());
else
m_medium = std::make_unique<MediaQueryEvaluator>("all");
if (root)
m_rootDefaultStyle = styleForElement(root, m_document.renderStyle(), DisallowStyleSharing, MatchOnlyUserAgentRules);
if (m_rootDefaultStyle && view)
m_medium = std::make_unique<MediaQueryEvaluator>(view->mediaType(), &view->frame(), m_rootDefaultStyle.get());
m_ruleSets.resetAuthorStyle();
DocumentStyleSheetCollection& styleSheetCollection = m_document.styleSheetCollection();
m_ruleSets.initUserStyle(styleSheetCollection, *m_medium, *this);
#if ENABLE(SVG_FONTS)
if (m_document.svgExtensions()) {
const HashSet<SVGFontFaceElement*>& svgFontFaceElements = m_document.svgExtensions()->svgFontFaceElements();
HashSet<SVGFontFaceElement*>::const_iterator end = svgFontFaceElements.end();
for (HashSet<SVGFontFaceElement*>::const_iterator it = svgFontFaceElements.begin(); it != end; ++it)
fontSelector()->addFontFaceRule((*it)->fontFaceRule());
}
#endif
appendAuthorStyleSheets(0, styleSheetCollection.activeAuthorStyleSheets());
}
void StyleResolver::appendAuthorStyleSheets(unsigned firstNew, const Vector<RefPtr<CSSStyleSheet>>& styleSheets)
{
m_ruleSets.appendAuthorStyleSheets(firstNew, styleSheets, m_medium.get(), m_inspectorCSSOMWrappers, this);
if (auto renderView = document().renderView())
renderView->style().font().update(fontSelector());
#if ENABLE(CSS_DEVICE_ADAPTATION)
viewportStyleResolver()->resolve();
#endif
}
void StyleResolver::pushParentElement(Element* parent)
{
const ContainerNode* parentsParent = parent->parentOrShadowHostElement();
if (!parentsParent || m_selectorFilter.parentStackIsEmpty())
m_selectorFilter.setupParentStack(parent);
else
m_selectorFilter.pushParent(parent);
}
void StyleResolver::popParentElement(Element* parent)
{
if (m_selectorFilter.parentStackIsConsistent(parent))
m_selectorFilter.popParent();
}
void StyleResolver::addKeyframeStyle(PassRefPtr<StyleRuleKeyframes> rule)
{
AtomicString s(rule->name());
m_keyframesRuleMap.set(s.impl(), rule);
}
StyleResolver::~StyleResolver()
{
m_fontSelector->clearDocument();
#if ENABLE(CSS_DEVICE_ADAPTATION)
m_viewportStyleResolver->clearDocument();
#endif
}
void StyleResolver::sweepMatchedPropertiesCache(Timer<StyleResolver>*)
{
Vector<unsigned, 16> toRemove;
MatchedPropertiesCache::iterator it = m_matchedPropertiesCache.begin();
MatchedPropertiesCache::iterator end = m_matchedPropertiesCache.end();
for (; it != end; ++it) {
Vector<MatchedProperties>& matchedProperties = it->value.matchedProperties;
for (size_t i = 0; i < matchedProperties.size(); ++i) {
if (matchedProperties[i].properties->hasOneRef()) {
toRemove.append(it->key);
break;
}
}
}
for (size_t i = 0; i < toRemove.size(); ++i)
m_matchedPropertiesCache.remove(toRemove[i]);
m_matchedPropertiesCacheAdditionsSinceLastSweep = 0;
}
bool StyleResolver::classNamesAffectedByRules(const SpaceSplitString& classNames) const
{
for (unsigned i = 0; i < classNames.size(); ++i) {
if (m_ruleSets.features().classesInRules.contains(classNames[i].impl()))
return true;
}
return false;
}
inline void StyleResolver::State::updateConversionData()
{
m_cssToLengthConversionData = CSSToLengthConversionData(m_style.get(), m_rootElementStyle, m_element ? document().renderView() : nullptr);
}
inline void StyleResolver::State::initElement(Element* e)
{
m_element = e;
m_styledElement = e && e->isStyledElement() ? toStyledElement(e) : nullptr;
m_elementLinkState = e ? e->document().visitedLinkState().determineLinkState(e) : NotInsideLink;
updateConversionData();
}
inline void StyleResolver::initElement(Element* e)
{
if (m_state.element() != e) {
m_state.initElement(e);
if (e && e == e->document().documentElement()) {
e->document().setDirectionSetOnDocumentElement(false);
e->document().setWritingModeSetOnDocumentElement(false);
}
}
}
inline void StyleResolver::State::initForStyleResolve(Document& document, Element* e, RenderStyle* parentStyle, RenderRegion* regionForStyling)
{
m_regionForStyling = regionForStyling;
if (e) {
bool resetStyleInheritance = hasShadowRootParent(*e) && toShadowRoot(e->parentNode())->resetStyleInheritance();
m_parentStyle = resetStyleInheritance ? nullptr : parentStyle;
} else
m_parentStyle = parentStyle;
Node* docElement = e ? e->document().documentElement() : 0;
RenderStyle* docStyle = document.renderStyle();
m_rootElementStyle = docElement && e != docElement ? docElement->renderStyle() : docStyle;
m_style = nullptr;
m_pendingImageProperties.clear();
m_fontDirty = false;
updateConversionData();
}
inline void StyleResolver::State::setStyle(PassRef<RenderStyle> style)
{
m_style = WTF::move(style);
updateConversionData();
}
static const unsigned cStyleSearchThreshold = 10;
static const unsigned cStyleSearchLevelThreshold = 10;
static inline bool parentElementPreventsSharing(const Element* parentElement)
{
if (!parentElement)
return false;
return parentElement->hasFlagsSetDuringStylingOfChildren();
}
Node* StyleResolver::locateCousinList(Element* parent, unsigned& visitedNodeCount) const
{
if (visitedNodeCount >= cStyleSearchThreshold * cStyleSearchLevelThreshold)
return 0;
if (!parent || !parent->isStyledElement())
return 0;
StyledElement* p = toStyledElement(parent);
if (p->inlineStyle())
return 0;
if (p->isSVGElement() && toSVGElement(p)->animatedSMILStyleProperties())
return 0;
if (p->hasID() && m_ruleSets.features().idsInRules.contains(p->idForStyleResolution().impl()))
return 0;
RenderStyle* parentStyle = p->renderStyle();
unsigned subcount = 0;
Node* thisCousin = p;
Node* currentNode = p->previousSibling();
visitedNodeCount += cStyleSearchThreshold;
while (thisCousin) {
while (currentNode) {
++subcount;
if (currentNode->renderStyle() == parentStyle && currentNode->lastChild()
&& currentNode->isElementNode() && !parentElementPreventsSharing(toElement(currentNode))
) {
visitedNodeCount -= cStyleSearchThreshold - subcount;
return currentNode->lastChild();
}
if (subcount >= cStyleSearchThreshold)
return 0;
currentNode = currentNode->previousSibling();
}
currentNode = locateCousinList(thisCousin->parentElement(), visitedNodeCount);
thisCousin = currentNode;
}
return 0;
}
bool StyleResolver::styleSharingCandidateMatchesRuleSet(RuleSet* ruleSet)
{
if (!ruleSet)
return false;
ElementRuleCollector collector(*m_state.element(), m_state.style(), m_ruleSets, m_selectorFilter);
return collector.hasAnyMatchingRules(ruleSet);
}
bool StyleResolver::canShareStyleWithControl(StyledElement* element) const
{
const State& state = m_state;
HTMLInputElement* thisInputElement = element->toInputElement();
HTMLInputElement* otherInputElement = state.element()->toInputElement();
if (!thisInputElement || !otherInputElement)
return false;
if (thisInputElement->elementData() != otherInputElement->elementData()) {
if (thisInputElement->fastGetAttribute(typeAttr) != otherInputElement->fastGetAttribute(typeAttr))
return false;
if (thisInputElement->fastGetAttribute(readonlyAttr) != otherInputElement->fastGetAttribute(readonlyAttr))
return false;
}
if (thisInputElement->isAutofilled() != otherInputElement->isAutofilled())
return false;
if (thisInputElement->shouldAppearChecked() != otherInputElement->shouldAppearChecked())
return false;
if (thisInputElement->shouldAppearIndeterminate() != otherInputElement->shouldAppearIndeterminate())
return false;
if (thisInputElement->isRequired() != otherInputElement->isRequired())
return false;
if (element->isDisabledFormControl() != state.element()->isDisabledFormControl())
return false;
if (element->isDefaultButtonForForm() != state.element()->isDefaultButtonForForm())
return false;
if (state.document().containsValidityStyleRules()) {
bool willValidate = element->willValidate();
if (willValidate != state.element()->willValidate())
return false;
if (willValidate && (element->isValidFormControlElement() != state.element()->isValidFormControlElement()))
return false;
if (element->isInRange() != state.element()->isInRange())
return false;
if (element->isOutOfRange() != state.element()->isOutOfRange())
return false;
}
return true;
}
static inline bool elementHasDirectionAuto(Element* element)
{
return element->isHTMLElement() && toHTMLElement(element)->hasDirectionAuto();
}
bool StyleResolver::sharingCandidateHasIdenticalStyleAffectingAttributes(StyledElement* sharingCandidate) const
{
const State& state = m_state;
if (state.element()->elementData() == sharingCandidate->elementData())
return true;
if (state.element()->fastGetAttribute(XMLNames::langAttr) != sharingCandidate->fastGetAttribute(XMLNames::langAttr))
return false;
if (state.element()->fastGetAttribute(langAttr) != sharingCandidate->fastGetAttribute(langAttr))
return false;
if (!state.elementAffectedByClassRules()) {
if (sharingCandidate->hasClass() && classNamesAffectedByRules(sharingCandidate->classNames()))
return false;
} else if (sharingCandidate->hasClass()) {
if (state.element()->isSVGElement()) {
if (state.element()->getAttribute(classAttr) != sharingCandidate->getAttribute(classAttr))
return false;
} else {
if (state.element()->classNames() != sharingCandidate->classNames())
return false;
}
} else
return false;
if (state.styledElement()->presentationAttributeStyle() != sharingCandidate->presentationAttributeStyle())
return false;
if (state.element()->hasTagName(progressTag)) {
if (state.element()->shouldAppearIndeterminate() != sharingCandidate->shouldAppearIndeterminate())
return false;
}
return true;
}
bool StyleResolver::canShareStyleWithElement(StyledElement* element) const
{
RenderStyle* style = element->renderStyle();
const State& state = m_state;
if (!style)
return false;
if (style->unique())
return false;
if (style->hasUniquePseudoStyle())
return false;
if (element->tagQName() != state.element()->tagQName())
return false;
if (element->inlineStyle())
return false;
if (element->needsStyleRecalc())
return false;
if (element->isSVGElement() && toSVGElement(element)->animatedSMILStyleProperties())
return false;
if (element->isLink() != state.element()->isLink())
return false;
if (element->hovered() != state.element()->hovered())
return false;
if (element->active() != state.element()->active())
return false;
if (element->focused() != state.element()->focused())
return false;
if (element->shadowPseudoId() != state.element()->shadowPseudoId())
return false;
if (element == element->document().cssTarget())
return false;
if (!sharingCandidateHasIdenticalStyleAffectingAttributes(element))
return false;
if (element->additionalPresentationAttributeStyle() != state.styledElement()->additionalPresentationAttributeStyle())
return false;
if (element->hasID() && m_ruleSets.features().idsInRules.contains(element->idForStyleResolution().impl()))
return false;
if (isHTMLOptionElement(element) || isHTMLOptGroupElement(element))
return false;
bool isControl = element->isFormControlElement();
if (isControl != state.element()->isFormControlElement())
return false;
if (isControl && !canShareStyleWithControl(element))
return false;
if (style->transitions() || style->animations())
return false;
if (element->hasTagName(iframeTag) || element->hasTagName(frameTag) || element->hasTagName(embedTag) || element->hasTagName(objectTag) || element->hasTagName(appletTag) || element->hasTagName(canvasTag))
return false;
if (elementHasDirectionAuto(element))
return false;
if (element->isLink() && state.elementLinkState() != style->insideLink())
return false;
#if ENABLE(VIDEO_TRACK)
if (element->isWebVTTElement() != state.element()->isWebVTTElement())
return false;
if (element->isWebVTTElement() && state.element()->isWebVTTElement() && toWebVTTElement(element)->isPastNode() != toWebVTTElement(state.element())->isPastNode())
return false;
#endif
#if ENABLE(FULLSCREEN_API)
if (element == element->document().webkitCurrentFullScreenElement() || state.element() == state.document().webkitCurrentFullScreenElement())
return false;
#endif
return true;
}
inline StyledElement* StyleResolver::findSiblingForStyleSharing(Node* node, unsigned& count) const
{
for (; node; node = node->previousSibling()) {
if (!node->isStyledElement())
continue;
if (canShareStyleWithElement(toStyledElement(node)))
break;
if (count++ == cStyleSearchThreshold)
return 0;
}
return toStyledElement(node);
}
RenderStyle* StyleResolver::locateSharedStyle()
{
State& state = m_state;
if (!state.styledElement() || !state.parentStyle())
return 0;
if (state.styledElement()->inlineStyle())
return 0;
if (state.styledElement()->isSVGElement() && toSVGElement(state.styledElement())->animatedSMILStyleProperties())
return 0;
if (state.styledElement()->hasID() && m_ruleSets.features().idsInRules.contains(state.styledElement()->idForStyleResolution().impl()))
return 0;
if (parentElementPreventsSharing(state.element()->parentElement()))
return 0;
if (state.element() == state.document().cssTarget())
return 0;
if (elementHasDirectionAuto(state.element()))
return 0;
state.setElementAffectedByClassRules(state.element() && state.element()->hasClass() && classNamesAffectedByRules(state.element()->classNames()));
unsigned count = 0;
unsigned visitedNodeCount = 0;
StyledElement* shareElement = 0;
Node* cousinList = state.styledElement()->previousSibling();
while (cousinList) {
shareElement = findSiblingForStyleSharing(cousinList, count);
if (shareElement)
break;
cousinList = locateCousinList(cousinList->parentElement(), visitedNodeCount);
}
if (!shareElement)
return 0;
if (styleSharingCandidateMatchesRuleSet(m_ruleSets.sibling()))
return 0;
if (styleSharingCandidateMatchesRuleSet(m_ruleSets.uncommonAttribute()))
return 0;
if (parentElementPreventsSharing(state.element()->parentElement()))
return 0;
return shareElement->renderStyle();
}
static inline bool isAtShadowBoundary(const Element* element)
{
if (!element)
return false;
ContainerNode* parentNode = element->parentNode();
return parentNode && parentNode->isShadowRoot();
}
PassRef<RenderStyle> StyleResolver::styleForElement(Element* element, RenderStyle* defaultParent,
StyleSharingBehavior sharingBehavior, RuleMatchingBehavior matchingBehavior, RenderRegion* regionForStyling)
{
if (sharingBehavior == AllowStyleSharing && !element->document().haveStylesheetsLoaded() && !element->renderer()) {
if (!s_styleNotYetAvailable) {
s_styleNotYetAvailable = &RenderStyle::create().leakRef();
s_styleNotYetAvailable->setDisplay(NONE);
s_styleNotYetAvailable->font().update(m_fontSelector);
}
element->document().setHasNodesWithPlaceholderStyle();
return *s_styleNotYetAvailable;
}
State& state = m_state;
initElement(element);
state.initForStyleResolve(document(), element, defaultParent, regionForStyling);
if (sharingBehavior == AllowStyleSharing) {
if (RenderStyle* sharedStyle = locateSharedStyle()) {
state.clear();
return *sharedStyle;
}
}
if (state.parentStyle()) {
state.setStyle(RenderStyle::create());
state.style()->inheritFrom(state.parentStyle(), isAtShadowBoundary(element) ? RenderStyle::AtShadowBoundary : RenderStyle::NotAtShadowBoundary);
} else {
state.setStyle(defaultStyleForElement());
state.setParentStyle(RenderStyle::clone(state.style()));
}
if (element->isLink()) {
state.style()->setIsLink(true);
EInsideLink linkState = state.elementLinkState();
if (linkState != NotInsideLink) {
bool forceVisited = InspectorInstrumentation::forcePseudoState(element, CSSSelector::PseudoClassVisited);
if (forceVisited)
linkState = InsideVisitedLink;
}
state.style()->setInsideLink(linkState);
}
bool needsCollection = false;
CSSDefaultStyleSheets::ensureDefaultStyleSheetsForElement(element, needsCollection);
if (needsCollection)
m_ruleSets.collectFeatures();
ElementRuleCollector collector(*element, state.style(), m_ruleSets, m_selectorFilter);
collector.setRegionForStyling(regionForStyling);
collector.setMedium(m_medium.get());
if (matchingBehavior == MatchOnlyUserAgentRules)
collector.matchUARules();
else
collector.matchAllRules(m_matchAuthorAndUserStyles, matchingBehavior != MatchAllRulesExcludingSMIL);
applyMatchedProperties(collector.matchedResult(), element);
adjustRenderStyle(*state.style(), *state.parentStyle(), element);
if (state.style()->hasViewportUnits())
document().setHasStyleWithViewportUnits();
state.clear();
return state.takeStyle();
}
PassRef<RenderStyle> StyleResolver::styleForKeyframe(const RenderStyle* elementStyle, const StyleKeyframe* keyframe, KeyframeValue& keyframeValue)
{
MatchResult result;
result.addMatchedProperties(keyframe->properties());
ASSERT(!m_state.style());
State& state = m_state;
state.setStyle(RenderStyle::clone(elementStyle));
state.setLineHeightValue(0);
TextDirection direction;
WritingMode writingMode;
extractDirectionAndWritingMode(*state.style(), result, direction, writingMode);
CascadedProperties cascade(direction, writingMode);
cascade.addMatches(result, false, 0, result.matchedProperties.size() - 1);
applyCascadedProperties(cascade, firstCSSProperty, CSSPropertyLineHeight);
updateFont();
if (state.lineHeightValue())
applyProperty(CSSPropertyLineHeight, state.lineHeightValue());
applyCascadedProperties(cascade, CSSPropertyBackground, lastCSSProperty);
updateFont();
cascade.applyDeferredProperties(*this);
loadPendingResources();
unsigned propertyCount = keyframe->properties().propertyCount();
for (unsigned i = 0; i < propertyCount; ++i) {
CSSPropertyID property = keyframe->properties().propertyAt(i).id();
if (property != CSSPropertyWebkitAnimationTimingFunction)
keyframeValue.addProperty(property);
}
return state.takeStyle();
}
void StyleResolver::keyframeStylesForAnimation(Element* e, const RenderStyle* elementStyle, KeyframeList& list)
{
list.clear();
if (!e || list.animationName().isEmpty())
return;
m_keyframesRuleMap.checkConsistency();
KeyframesRuleMap::iterator it = m_keyframesRuleMap.find(list.animationName().impl());
if (it == m_keyframesRuleMap.end())
return;
const StyleRuleKeyframes* keyframesRule = it->value.get();
const Vector<RefPtr<StyleKeyframe>>& keyframes = keyframesRule->keyframes();
for (unsigned i = 0; i < keyframes.size(); ++i) {
initElement(e);
m_state.initForStyleResolve(document(), e, nullptr);
const StyleKeyframe* keyframe = keyframes[i].get();
KeyframeValue keyframeValue(0, 0);
keyframeValue.setStyle(styleForKeyframe(elementStyle, keyframe, keyframeValue));
Vector<double> keys;
keyframe->getKeys(keys);
for (size_t keyIndex = 0; keyIndex < keys.size(); ++keyIndex) {
keyframeValue.setKey(keys[keyIndex]);
list.insert(keyframeValue);
}
}
int initialListSize = list.size();
if (initialListSize > 0 && list[0].key()) {
static StyleKeyframe* zeroPercentKeyframe;
if (!zeroPercentKeyframe) {
zeroPercentKeyframe = StyleKeyframe::create(MutableStyleProperties::create()).leakRef();
zeroPercentKeyframe->setKeyText("0%");
}
KeyframeValue keyframeValue(0, 0);
keyframeValue.setStyle(styleForKeyframe(elementStyle, zeroPercentKeyframe, keyframeValue));
list.insert(keyframeValue);
}
if (initialListSize > 0 && (list[list.size() - 1].key() != 1)) {
static StyleKeyframe* hundredPercentKeyframe;
if (!hundredPercentKeyframe) {
hundredPercentKeyframe = StyleKeyframe::create(MutableStyleProperties::create()).leakRef();
hundredPercentKeyframe->setKeyText("100%");
}
KeyframeValue keyframeValue(1, 0);
keyframeValue.setStyle(styleForKeyframe(elementStyle, hundredPercentKeyframe, keyframeValue));
list.insert(keyframeValue);
}
}
PassRefPtr<RenderStyle> StyleResolver::pseudoStyleForElement(Element* element, const PseudoStyleRequest& pseudoStyleRequest, RenderStyle* parentStyle)
{
ASSERT(parentStyle);
if (!element)
return 0;
State& state = m_state;
initElement(element);
state.initForStyleResolve(document(), element, parentStyle);
if (m_state.parentStyle()) {
state.setStyle(RenderStyle::create());
state.style()->inheritFrom(m_state.parentStyle());
} else {
state.setStyle(defaultStyleForElement());
state.setParentStyle(RenderStyle::clone(state.style()));
}
ElementRuleCollector collector(*element, m_state.style(), m_ruleSets, m_selectorFilter);
collector.setPseudoStyleRequest(pseudoStyleRequest);
collector.setMedium(m_medium.get());
collector.matchUARules();
if (m_matchAuthorAndUserStyles) {
collector.matchUserRules(false);
collector.matchAuthorRules(false);
}
if (collector.matchedResult().matchedProperties.isEmpty())
return 0;
state.style()->setStyleType(pseudoStyleRequest.pseudoId);
applyMatchedProperties(collector.matchedResult(), element);
adjustRenderStyle(*state.style(), *m_state.parentStyle(), 0);
if (state.style()->hasViewportUnits())
document().setHasStyleWithViewportUnits();
loadPendingResources();
return state.takeStyle();
}
PassRef<RenderStyle> StyleResolver::styleForPage(int pageIndex)
{
m_state.initForStyleResolve(m_document, m_document.documentElement(), m_document.renderStyle());
m_state.setStyle(RenderStyle::create());
m_state.style()->inheritFrom(m_state.rootElementStyle());
PageRuleCollector collector(m_state, m_ruleSets);
collector.matchAllPageRules(pageIndex);
m_state.setLineHeightValue(0);
MatchResult& result = collector.matchedResult();
TextDirection direction;
WritingMode writingMode;
extractDirectionAndWritingMode(*m_state.style(), result, direction, writingMode);
CascadedProperties cascade(direction, writingMode);
cascade.addMatches(result, false, 0, result.matchedProperties.size() - 1);
applyCascadedProperties(cascade, firstCSSProperty, CSSPropertyLineHeight);
updateFont();
if (m_state.lineHeightValue())
applyProperty(CSSPropertyLineHeight, m_state.lineHeightValue());
applyCascadedProperties(cascade, CSSPropertyBackground, lastCSSProperty);
cascade.applyDeferredProperties(*this);
loadPendingResources();
return m_state.takeStyle();
}
PassRef<RenderStyle> StyleResolver::defaultStyleForElement()
{
m_state.setStyle(RenderStyle::create());
if (Settings* settings = documentSettings()) {
initializeFontStyle(settings);
m_state.style()->font().update(fontSelector());
} else
m_state.style()->font().update(0);
return m_state.takeStyle();
}
static void addIntrinsicMargins(RenderStyle& style)
{
const int intrinsicMargin = 2 * style.effectiveZoom();
if (style.width().isIntrinsicOrAuto()) {
if (style.marginLeft().hasQuirk())
style.setMarginLeft(Length(intrinsicMargin, Fixed));
if (style.marginRight().hasQuirk())
style.setMarginRight(Length(intrinsicMargin, Fixed));
}
if (style.height().isAuto()) {
if (style.marginTop().hasQuirk())
style.setMarginTop(Length(intrinsicMargin, Fixed));
if (style.marginBottom().hasQuirk())
style.setMarginBottom(Length(intrinsicMargin, Fixed));
}
}
static EDisplay equivalentBlockDisplay(EDisplay display, bool isFloating, bool strictParsing)
{
switch (display) {
case BLOCK:
case TABLE:
case BOX:
case FLEX:
#if ENABLE(CSS_GRID_LAYOUT)
case GRID:
#endif
return display;
case LIST_ITEM:
if (!strictParsing && isFloating)
return BLOCK;
return display;
case INLINE_TABLE:
return TABLE;
case INLINE_BOX:
return BOX;
case INLINE_FLEX:
return FLEX;
#if ENABLE(CSS_GRID_LAYOUT)
case INLINE_GRID:
return GRID;
#endif
case INLINE:
case COMPACT:
case INLINE_BLOCK:
case TABLE_ROW_GROUP:
case TABLE_HEADER_GROUP:
case TABLE_FOOTER_GROUP:
case TABLE_ROW:
case TABLE_COLUMN_GROUP:
case TABLE_COLUMN:
case TABLE_CELL:
case TABLE_CAPTION:
return BLOCK;
case NONE:
ASSERT_NOT_REACHED();
return NONE;
}
ASSERT_NOT_REACHED();
return BLOCK;
}
static bool doesNotInheritTextDecoration(const RenderStyle& style, Element* e)
{
return style.display() == TABLE || style.display() == INLINE_TABLE
|| style.display() == INLINE_BLOCK || style.display() == INLINE_BOX || isAtShadowBoundary(e)
|| style.isFloating() || style.hasOutOfFlowPosition();
}
static bool isDisplayFlexibleBox(EDisplay display)
{
return display == FLEX || display == INLINE_FLEX;
}
static inline bool isDisplayGridBox(EDisplay display)
{
#if ENABLE(CSS_GRID_LAYOUT)
return display == GRID || display == INLINE_GRID;
#else
UNUSED_PARAM(display);
return false;
#endif
}
static bool isDisplayFlexibleOrGridBox(EDisplay display)
{
return isDisplayFlexibleBox(display) || isDisplayGridBox(display);
}
#if ENABLE(ACCELERATED_OVERFLOW_SCROLLING)
static bool isScrollableOverflow(EOverflow overflow)
{
return overflow == OSCROLL || overflow == OAUTO || overflow == OOVERLAY;
}
#endif
void StyleResolver::adjustRenderStyle(RenderStyle& style, const RenderStyle& parentStyle, Element *e)
{
style.setOriginalDisplay(style.display());
if (style.display() != NONE) {
if (document().inQuirksMode() && e) {
if (e->hasTagName(tdTag)) {
style.setDisplay(TABLE_CELL);
style.setFloating(NoFloat);
} else if (isHTMLTableElement(e))
style.setDisplay(style.isDisplayInlineType() ? INLINE_TABLE : TABLE);
}
if (e && (e->hasTagName(tdTag) || e->hasTagName(thTag))) {
if (style.whiteSpace() == KHTML_NOWRAP) {
if (style.width().isFixed())
style.setWhiteSpace(NORMAL);
else
style.setWhiteSpace(NOWRAP);
}
}
if (e && isHTMLTableElement(e) && (style.textAlign() == WEBKIT_LEFT || style.textAlign() == WEBKIT_CENTER || style.textAlign() == WEBKIT_RIGHT))
style.setTextAlign(TASTART);
if (e && (e->hasTagName(frameTag) || e->hasTagName(framesetTag))) {
style.setPosition(StaticPosition);
style.setDisplay(BLOCK);
}
if (e && e->hasTagName(rtTag)) {
style.setPosition(StaticPosition);
style.setFloating(NoFloat);
}
if (e && e->hasTagName(thTag) && style.textAlign() == TASTART)
style.setTextAlign(CENTER);
if (e && e->hasTagName(legendTag))
style.setDisplay(BLOCK);
if (style.hasOutOfFlowPosition() || style.isFloating() || (e && e->document().documentElement() == e))
style.setDisplay(equivalentBlockDisplay(style.display(), style.isFloating(), !document().inQuirksMode()));
if (style.display() == INLINE && style.styleType() == NOPSEUDO && style.writingMode() != parentStyle.writingMode())
style.setDisplay(INLINE_BLOCK);
if ((style.display() == TABLE_HEADER_GROUP || style.display() == TABLE_ROW_GROUP
|| style.display() == TABLE_FOOTER_GROUP || style.display() == TABLE_ROW)
&& style.position() == RelativePosition)
style.setPosition(StaticPosition);
if (style.display() == TABLE_COLUMN || style.display() == TABLE_COLUMN_GROUP || style.display() == TABLE_FOOTER_GROUP
|| style.display() == TABLE_HEADER_GROUP || style.display() == TABLE_ROW || style.display() == TABLE_ROW_GROUP
|| style.display() == TABLE_CELL)
style.setWritingMode(parentStyle.writingMode());
if (style.writingMode() != TopToBottomWritingMode && (style.display() == BOX || style.display() == INLINE_BOX))
style.setWritingMode(TopToBottomWritingMode);
if (isDisplayFlexibleOrGridBox(parentStyle.display())) {
style.setFloating(NoFloat);
style.setDisplay(equivalentBlockDisplay(style.display(), style.isFloating(), !document().inQuirksMode()));
}
}
if (style.position() == StaticPosition && !isDisplayFlexibleOrGridBox(parentStyle.display()))
style.setHasAutoZIndex();
if (style.hasAutoZIndex() && ((e && e->document().documentElement() == e)
|| style.opacity() < 1.0f
|| style.hasTransformRelatedProperty()
|| style.hasMask()
|| style.clipPath()
|| style.boxReflect()
|| style.hasFilter()
|| style.hasBlendMode()
|| style.hasIsolation()
|| style.position() == StickyPosition
|| (style.position() == FixedPosition && e && e->document().page() && e->document().page()->settings().fixedPositionCreatesStackingContext())
|| style.hasFlowFrom()
))
style.setZIndex(0);
if (e && isHTMLTextAreaElement(e)) {
style.setOverflowX(style.overflowX() == OVISIBLE ? OAUTO : style.overflowX());
style.setOverflowY(style.overflowY() == OVISIBLE ? OAUTO : style.overflowY());
}
if (e && !e->shadowPseudoId().isNull())
style.setUserModify(READ_ONLY);
if (doesNotInheritTextDecoration(style, e))
style.setTextDecorationsInEffect(style.textDecoration());
else
style.addToTextDecorationsInEffect(style.textDecoration());
if (style.overflowX() == OMARQUEE && style.overflowY() != OMARQUEE)
style.setOverflowY(OMARQUEE);
else if (style.overflowY() == OMARQUEE && style.overflowX() != OMARQUEE)
style.setOverflowX(OMARQUEE);
else if (style.overflowX() == OVISIBLE && style.overflowY() != OVISIBLE) {
style.setOverflowX(OAUTO);
} else if (style.overflowY() == OVISIBLE && style.overflowX() != OVISIBLE)
style.setOverflowY(OAUTO);
if ((style.overflowY() == OPAGEDX || style.overflowY() == OPAGEDY) && !(e && (e->hasTagName(htmlTag) || e->hasTagName(bodyTag))))
style.setColumnStylesFromPaginationMode(WebCore::paginationModeForRenderStyle(style));
if (style.display() == TABLE || style.display() == INLINE_TABLE
|| style.display() == TABLE_ROW_GROUP || style.display() == TABLE_ROW) {
if (style.overflowX() != OVISIBLE && style.overflowX() != OHIDDEN)
style.setOverflowX(OVISIBLE);
if (style.overflowY() != OVISIBLE && style.overflowY() != OHIDDEN)
style.setOverflowY(OVISIBLE);
}
if (style.appearance() == MenulistPart) {
style.setOverflowX(OVISIBLE);
style.setOverflowY(OVISIBLE);
}
#if ENABLE(ACCELERATED_OVERFLOW_SCROLLING)
if (style.hasAutoZIndex() && style.useTouchOverflowScrolling() && (isScrollableOverflow(style.overflowX()) || isScrollableOverflow(style.overflowY())))
style.setZIndex(0);
#endif
style.adjustBackgroundLayers();
style.adjustMaskLayers();
style.adjustAnimations();
style.adjustTransitions();
if (e && e->isFormControlElement() && style.fontSize() >= 11) {
if (!isHTMLInputElement(e) || !toHTMLInputElement(e)->isImageButton())
addIntrinsicMargins(style);
}
if (style.hasAppearance()) {
ASSERT(e);
RenderTheme::defaultTheme()->adjustStyle(*this, style, *e, m_state.hasUAAppearance(), m_state.borderData(), m_state.backgroundData(), m_state.backgroundColor());
}
if (style.hasPseudoStyle(FIRST_LETTER))
style.setUnique();
if (style.preserves3D() && (style.overflowX() != OVISIBLE
|| style.overflowY() != OVISIBLE
|| style.hasFilter()
|| style.hasBlendMode()))
style.setTransformStyle3D(TransformStyle3DFlat);
if (e && e->isSVGElement()) {
if (!(e->hasTagName(SVGNames::svgTag) && e->parentNode() && !e->parentNode()->isSVGElement()))
style.setPosition(RenderStyle::NonInheritedFlags::initialPosition());
if (e->hasTagName(SVGNames::foreignObjectTag))
style.setEffectiveZoom(RenderStyle::initialZoom());
if ((e->hasTagName(SVGNames::foreignObjectTag) || e->hasTagName(SVGNames::textTag)) && style.isDisplayInlineType())
style.setDisplay(BLOCK);
}
}
bool StyleResolver::checkRegionStyle(Element* regionElement)
{
unsigned rulesSize = m_ruleSets.authorStyle()->regionSelectorsAndRuleSets().size();
for (unsigned i = 0; i < rulesSize; ++i) {
ASSERT(m_ruleSets.authorStyle()->regionSelectorsAndRuleSets().at(i).ruleSet.get());
if (checkRegionSelector(m_ruleSets.authorStyle()->regionSelectorsAndRuleSets().at(i).selector, regionElement))
return true;
}
if (m_ruleSets.userStyle()) {
rulesSize = m_ruleSets.userStyle()->regionSelectorsAndRuleSets().size();
for (unsigned i = 0; i < rulesSize; ++i) {
ASSERT(m_ruleSets.userStyle()->regionSelectorsAndRuleSets().at(i).ruleSet.get());
if (checkRegionSelector(m_ruleSets.userStyle()->regionSelectorsAndRuleSets().at(i).selector, regionElement))
return true;
}
}
return false;
}
static void checkForOrientationChange(RenderStyle* style)
{
FontOrientation fontOrientation;
NonCJKGlyphOrientation glyphOrientation;
style->getFontAndGlyphOrientation(fontOrientation, glyphOrientation);
const FontDescription& fontDescription = style->fontDescription();
if (fontDescription.orientation() == fontOrientation && fontDescription.nonCJKGlyphOrientation() == glyphOrientation)
return;
FontDescription newFontDescription(fontDescription);
newFontDescription.setNonCJKGlyphOrientation(glyphOrientation);
newFontDescription.setOrientation(fontOrientation);
style->setFontDescription(newFontDescription);
}
void StyleResolver::updateFont()
{
if (!m_state.fontDirty())
return;
RenderStyle* style = m_state.style();
#if ENABLE(IOS_TEXT_AUTOSIZING)
checkForTextSizeAdjust(style);
#endif
checkForGenericFamilyChange(style, m_state.parentStyle());
checkForZoomChange(style, m_state.parentStyle());
checkForOrientationChange(style);
style->font().update(m_fontSelector);
if (m_state.fontSizeHasViewportUnits())
style->setHasViewportUnits(true);
m_state.setFontDirty(false);
}
Vector<RefPtr<StyleRule>> StyleResolver::styleRulesForElement(Element* e, unsigned rulesToInclude)
{
return pseudoStyleRulesForElement(e, NOPSEUDO, rulesToInclude);
}
Vector<RefPtr<StyleRule>> StyleResolver::pseudoStyleRulesForElement(Element* element, PseudoId pseudoId, unsigned rulesToInclude)
{
if (!element || !element->document().haveStylesheetsLoaded())
return Vector<RefPtr<StyleRule>>();
initElement(element);
m_state.initForStyleResolve(document(), element, 0);
ElementRuleCollector collector(*element, m_state.style(), m_ruleSets, m_selectorFilter);
collector.setMode(SelectorChecker::Mode::CollectingRules);
collector.setPseudoStyleRequest(PseudoStyleRequest(pseudoId));
collector.setMedium(m_medium.get());
if (rulesToInclude & UAAndUserCSSRules) {
collector.matchUARules();
if (m_matchAuthorAndUserStyles)
collector.matchUserRules(rulesToInclude & EmptyCSSRules);
}
if (m_matchAuthorAndUserStyles && (rulesToInclude & AuthorCSSRules)) {
collector.setSameOriginOnly(!(rulesToInclude & CrossOriginCSSRules));
collector.matchAuthorRules(rulesToInclude & EmptyCSSRules);
}
return collector.matchedRuleList();
}
Length StyleResolver::convertToIntLength(const CSSPrimitiveValue* primitiveValue, const CSSToLengthConversionData& conversionData)
{
return primitiveValue ? primitiveValue->convertToLength<FixedIntegerConversion | PercentConversion | CalculatedConversion | FractionConversion>(conversionData) : Length(Undefined);
}
Length StyleResolver::convertToFloatLength(const CSSPrimitiveValue* primitiveValue, const CSSToLengthConversionData& conversionData)
{
return primitiveValue ? primitiveValue->convertToLength<FixedFloatConversion | PercentConversion | CalculatedConversion | FractionConversion>(conversionData) : Length(Undefined);
}
static bool shouldApplyPropertyInParseOrder(CSSPropertyID propertyID)
{
switch (propertyID) {
case CSSPropertyWebkitBackgroundClip:
case CSSPropertyBackgroundClip:
case CSSPropertyWebkitBackgroundOrigin:
case CSSPropertyBackgroundOrigin:
case CSSPropertyWebkitBackgroundSize:
case CSSPropertyBackgroundSize:
case CSSPropertyWebkitBorderImage:
case CSSPropertyBorderImage:
case CSSPropertyBorderImageSlice:
case CSSPropertyBorderImageSource:
case CSSPropertyBorderImageOutset:
case CSSPropertyBorderImageRepeat:
case CSSPropertyBorderImageWidth:
case CSSPropertyWebkitBoxShadow:
case CSSPropertyBoxShadow:
case CSSPropertyWebkitTextDecoration:
case CSSPropertyWebkitTextDecorationLine:
case CSSPropertyWebkitTextDecorationStyle:
case CSSPropertyWebkitTextDecorationColor:
case CSSPropertyWebkitTextDecorationSkip:
case CSSPropertyWebkitTextUnderlinePosition:
case CSSPropertyTextDecoration:
return true;
default:
return false;
}
}
static bool elementTypeHasAppearanceFromUAStyle(const Element& element)
{
const auto& localName = element.localName();
return localName == HTMLNames::inputTag
|| localName == HTMLNames::textareaTag
|| localName == HTMLNames::buttonTag
|| localName == HTMLNames::progressTag
|| localName == HTMLNames::selectTag
|| localName == HTMLNames::meterTag
|| localName == HTMLNames::isindexTag;
}
unsigned StyleResolver::computeMatchedPropertiesHash(const MatchedProperties* properties, unsigned size)
{
return StringHasher::hashMemory(properties, sizeof(MatchedProperties) * size);
}
bool operator==(const StyleResolver::MatchRanges& a, const StyleResolver::MatchRanges& b)
{
return a.firstUARule == b.firstUARule
&& a.lastUARule == b.lastUARule
&& a.firstAuthorRule == b.firstAuthorRule
&& a.lastAuthorRule == b.lastAuthorRule
&& a.firstUserRule == b.firstUserRule
&& a.lastUserRule == b.lastUserRule;
}
bool operator!=(const StyleResolver::MatchRanges& a, const StyleResolver::MatchRanges& b)
{
return !(a == b);
}
bool operator==(const StyleResolver::MatchedProperties& a, const StyleResolver::MatchedProperties& b)
{
return a.properties == b.properties && a.linkMatchType == b.linkMatchType;
}
bool operator!=(const StyleResolver::MatchedProperties& a, const StyleResolver::MatchedProperties& b)
{
return !(a == b);
}
const StyleResolver::MatchedPropertiesCacheItem* StyleResolver::findFromMatchedPropertiesCache(unsigned hash, const MatchResult& matchResult)
{
ASSERT(hash);
MatchedPropertiesCache::iterator it = m_matchedPropertiesCache.find(hash);
if (it == m_matchedPropertiesCache.end())
return 0;
MatchedPropertiesCacheItem& cacheItem = it->value;
size_t size = matchResult.matchedProperties.size();
if (size != cacheItem.matchedProperties.size())
return 0;
for (size_t i = 0; i < size; ++i) {
if (matchResult.matchedProperties[i] != cacheItem.matchedProperties[i])
return 0;
}
if (cacheItem.ranges != matchResult.ranges)
return 0;
return &cacheItem;
}
void StyleResolver::addToMatchedPropertiesCache(const RenderStyle* style, const RenderStyle* parentStyle, unsigned hash, const MatchResult& matchResult)
{
static const unsigned matchedDeclarationCacheAdditionsBetweenSweeps = 100;
if (++m_matchedPropertiesCacheAdditionsSinceLastSweep >= matchedDeclarationCacheAdditionsBetweenSweeps
&& !m_matchedPropertiesCacheSweepTimer.isActive()) {
static const unsigned matchedDeclarationCacheSweepTimeInSeconds = 60;
m_matchedPropertiesCacheSweepTimer.startOneShot(matchedDeclarationCacheSweepTimeInSeconds);
}
ASSERT(hash);
MatchedPropertiesCacheItem cacheItem;
cacheItem.matchedProperties.appendVector(matchResult.matchedProperties);
cacheItem.ranges = matchResult.ranges;
cacheItem.renderStyle = RenderStyle::clone(style);
cacheItem.parentRenderStyle = RenderStyle::clone(parentStyle);
m_matchedPropertiesCache.add(hash, WTF::move(cacheItem));
}
void StyleResolver::invalidateMatchedPropertiesCache()
{
m_matchedPropertiesCache.clear();
}
void StyleResolver::clearCachedPropertiesAffectedByViewportUnits()
{
Vector<unsigned, 16> toRemove;
for (auto& cacheKeyValue : m_matchedPropertiesCache) {
if (cacheKeyValue.value.renderStyle->hasViewportUnits())
toRemove.append(cacheKeyValue.key);
}
for (auto key : toRemove)
m_matchedPropertiesCache.remove(key);
}
static bool isCacheableInMatchedPropertiesCache(const Element* element, const RenderStyle* style, const RenderStyle* parentStyle)
{
if (element == element->document().documentElement() && element->document().writingModeSetOnDocumentElement())
return false;
if (style->unique() || (style->styleType() != NOPSEUDO && parentStyle->unique()))
return false;
if (style->hasAppearance())
return false;
if (style->zoom() != RenderStyle::initialZoom())
return false;
if (style->writingMode() != RenderStyle::initialWritingMode())
return false;
if (parentStyle->hasExplicitlyInheritedProperties())
return false;
return true;
}
void extractDirectionAndWritingMode(const RenderStyle& style, const StyleResolver::MatchResult& matchResult, TextDirection& direction, WritingMode& writingMode)
{
direction = style.direction();
writingMode = style.writingMode();
bool hadImportantWebkitWritingMode = false;
bool hadImportantDirection = false;
for (auto& matchedProperties : matchResult.matchedProperties) {
for (unsigned i = 0, count = matchedProperties.properties->propertyCount(); i < count; ++i) {
auto property = matchedProperties.properties->propertyAt(i);
if (!property.value()->isPrimitiveValue())
continue;
switch (property.id()) {
case CSSPropertyWebkitWritingMode:
if (!hadImportantWebkitWritingMode || property.isImportant()) {
writingMode = toCSSPrimitiveValue(*property.value());
hadImportantWebkitWritingMode = property.isImportant();
}
break;
case CSSPropertyDirection:
if (!hadImportantDirection || property.isImportant()) {
direction = toCSSPrimitiveValue(*property.value());
hadImportantDirection = property.isImportant();
}
break;
default:
break;
}
}
}
}
void StyleResolver::applyMatchedProperties(const MatchResult& matchResult, const Element* element, ShouldUseMatchedPropertiesCache shouldUseMatchedPropertiesCache)
{
ASSERT(element);
State& state = m_state;
unsigned cacheHash = shouldUseMatchedPropertiesCache && matchResult.isCacheable ? computeMatchedPropertiesHash(matchResult.matchedProperties.data(), matchResult.matchedProperties.size()) : 0;
bool applyInheritedOnly = false;
const MatchedPropertiesCacheItem* cacheItem = 0;
if (cacheHash && (cacheItem = findFromMatchedPropertiesCache(cacheHash, matchResult))
&& isCacheableInMatchedPropertiesCache(element, state.style(), state.parentStyle())) {
state.style()->copyNonInheritedFrom(cacheItem->renderStyle.get());
if (state.parentStyle()->inheritedDataShared(cacheItem->parentRenderStyle.get()) && !isAtShadowBoundary(element)) {
EInsideLink linkStatus = state.style()->insideLink();
state.style()->inheritFrom(cacheItem->renderStyle.get());
state.style()->setInsideLink(linkStatus);
return;
}
applyInheritedOnly = true;
}
TextDirection direction;
WritingMode writingMode;
extractDirectionAndWritingMode(*state.style(), matchResult, direction, writingMode);
if (elementTypeHasAppearanceFromUAStyle(*state.element())) {
state.setLineHeightValue(nullptr);
CascadedProperties cascade(direction, writingMode);
if (!cascade.addMatches(matchResult, false, matchResult.ranges.firstUARule, matchResult.ranges.lastUARule, applyInheritedOnly)
|| !cascade.addMatches(matchResult, true, matchResult.ranges.firstUARule, matchResult.ranges.lastUARule, applyInheritedOnly))
return applyMatchedProperties(matchResult, element, DoNotUseMatchedPropertiesCache);
applyCascadedProperties(cascade, firstCSSProperty, CSSPropertyLineHeight);
updateFont();
applyCascadedProperties(cascade, CSSPropertyBackground, lastCSSProperty);
state.cacheBorderAndBackground();
}
CascadedProperties cascade(direction, writingMode);
if (!cascade.addMatches(matchResult, false, 0, matchResult.matchedProperties.size() - 1, applyInheritedOnly)
|| !cascade.addMatches(matchResult, true, matchResult.ranges.firstAuthorRule, matchResult.ranges.lastAuthorRule, applyInheritedOnly)
|| !cascade.addMatches(matchResult, true, matchResult.ranges.firstUserRule, matchResult.ranges.lastUserRule, applyInheritedOnly)
|| !cascade.addMatches(matchResult, true, matchResult.ranges.firstUARule, matchResult.ranges.lastUARule, applyInheritedOnly))
return applyMatchedProperties(matchResult, element, DoNotUseMatchedPropertiesCache);
state.setLineHeightValue(nullptr);
applyCascadedProperties(cascade, firstCSSProperty, CSSPropertyLineHeight);
if (cacheItem && cacheItem->renderStyle->effectiveZoom() != state.style()->effectiveZoom())
return applyMatchedProperties(matchResult, element, DoNotUseMatchedPropertiesCache);
updateFont();
if (state.lineHeightValue())
applyProperty(CSSPropertyLineHeight, state.lineHeightValue());
if (cacheItem && cacheItem->renderStyle->fontDescription() != state.style()->fontDescription())
return applyMatchedProperties(matchResult, element, DoNotUseMatchedPropertiesCache);
applyCascadedProperties(cascade, CSSPropertyBackground, lastCSSProperty);
cascade.applyDeferredProperties(*this);
loadPendingResources();
ASSERT(!state.fontDirty());
if (cacheItem || !cacheHash)
return;
if (!isCacheableInMatchedPropertiesCache(state.element(), state.style(), state.parentStyle()))
return;
addToMatchedPropertiesCache(state.style(), state.parentStyle(), cacheHash, matchResult);
}
void StyleResolver::applyPropertyToStyle(CSSPropertyID id, CSSValue* value, RenderStyle* style)
{
initElement(0);
m_state.initForStyleResolve(document(), nullptr, style);
m_state.setStyle(*style);
applyPropertyToCurrentStyle(id, value);
}
void StyleResolver::applyPropertyToCurrentStyle(CSSPropertyID id, CSSValue* value)
{
if (value)
applyProperty(id, value);
}
inline bool isValidVisitedLinkProperty(CSSPropertyID id)
{
switch (id) {
case CSSPropertyBackgroundColor:
case CSSPropertyBorderLeftColor:
case CSSPropertyBorderRightColor:
case CSSPropertyBorderTopColor:
case CSSPropertyBorderBottomColor:
case CSSPropertyColor:
case CSSPropertyOutlineColor:
case CSSPropertyWebkitColumnRuleColor:
case CSSPropertyWebkitTextDecorationColor:
case CSSPropertyWebkitTextEmphasisColor:
case CSSPropertyWebkitTextFillColor:
case CSSPropertyWebkitTextStrokeColor:
case CSSPropertyFill:
case CSSPropertyStroke:
return true;
default:
break;
}
return false;
}
inline bool StyleResolver::isValidRegionStyleProperty(CSSPropertyID id)
{
switch (id) {
case CSSPropertyBackgroundColor:
case CSSPropertyColor:
return true;
default:
break;
}
return false;
}
#if ENABLE(VIDEO_TRACK)
inline bool StyleResolver::isValidCueStyleProperty(CSSPropertyID id)
{
switch (id) {
case CSSPropertyBackground:
case CSSPropertyBackgroundAttachment:
case CSSPropertyBackgroundClip:
case CSSPropertyBackgroundColor:
case CSSPropertyBackgroundImage:
case CSSPropertyBackgroundOrigin:
case CSSPropertyBackgroundPosition:
case CSSPropertyBackgroundPositionX:
case CSSPropertyBackgroundPositionY:
case CSSPropertyBackgroundRepeat:
case CSSPropertyBackgroundRepeatX:
case CSSPropertyBackgroundRepeatY:
case CSSPropertyBackgroundSize:
case CSSPropertyColor:
case CSSPropertyFont:
case CSSPropertyFontFamily:
case CSSPropertyFontSize:
case CSSPropertyFontStyle:
case CSSPropertyFontVariant:
case CSSPropertyFontWeight:
case CSSPropertyLineHeight:
case CSSPropertyOpacity:
case CSSPropertyOutline:
case CSSPropertyOutlineColor:
case CSSPropertyOutlineOffset:
case CSSPropertyOutlineStyle:
case CSSPropertyOutlineWidth:
case CSSPropertyVisibility:
case CSSPropertyWhiteSpace:
case CSSPropertyTextDecoration:
case CSSPropertyTextShadow:
case CSSPropertyBorderStyle:
return true;
default:
break;
}
return false;
}
#endif
bool StyleResolver::useSVGZoomRules()
{
return m_state.element() && m_state.element()->isSVGElement();
}
#if ENABLE(CSS_GRID_LAYOUT)
static void createImplicitNamedGridLinesFromGridArea(const NamedGridAreaMap& namedGridAreas, NamedGridLinesMap& namedGridLines, GridTrackSizingDirection direction)
{
for (auto& area : namedGridAreas) {
GridSpan areaSpan = direction == ForRows ? area.value.rows : area.value.columns;
{
auto& startVector = namedGridLines.add(area.key + "-start", Vector<size_t>()).iterator->value;
startVector.append(areaSpan.resolvedInitialPosition.toInt());
std::sort(startVector.begin(), startVector.end());
}
{
auto& endVector = namedGridLines.add(area.key + "-end", Vector<size_t>()).iterator->value;
endVector.append(areaSpan.resolvedFinalPosition.next().toInt());
std::sort(endVector.begin(), endVector.end());
}
}
}
static bool createGridTrackBreadth(CSSPrimitiveValue* primitiveValue, const StyleResolver::State& state, GridLength& workingLength)
{
if (primitiveValue->getValueID() == CSSValueWebkitMinContent) {
workingLength = Length(MinContent);
return true;
}
if (primitiveValue->getValueID() == CSSValueWebkitMaxContent) {
workingLength = Length(MaxContent);
return true;
}
if (primitiveValue->isFlex()) {
workingLength.setFlex(primitiveValue->getDoubleValue());
return true;
}
workingLength = primitiveValue->convertToLength<FixedIntegerConversion | PercentConversion | CalculatedConversion | AutoConversion>(state.cssToLengthConversionData());
if (workingLength.length().isUndefined())
return false;
if (primitiveValue->isLength())
workingLength.length().setHasQuirk(primitiveValue->isQuirkValue());
return true;
}
static bool createGridTrackSize(CSSValue* value, GridTrackSize& trackSize, const StyleResolver::State& state)
{
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
GridLength workingLength;
if (!createGridTrackBreadth(primitiveValue, state, workingLength))
return false;
trackSize.setLength(workingLength);
return true;
}
CSSFunctionValue* minmaxFunction = toCSSFunctionValue(value);
CSSValueList* arguments = minmaxFunction->arguments();
ASSERT_WITH_SECURITY_IMPLICATION(arguments->length() == 2);
GridLength minTrackBreadth;
GridLength maxTrackBreadth;
if (!createGridTrackBreadth(toCSSPrimitiveValue(arguments->itemWithoutBoundsCheck(0)), state, minTrackBreadth) || !createGridTrackBreadth(toCSSPrimitiveValue(arguments->itemWithoutBoundsCheck(1)), state, maxTrackBreadth))
return false;
trackSize.setMinMax(minTrackBreadth, maxTrackBreadth);
return true;
}
static bool createGridTrackList(CSSValue* value, Vector<GridTrackSize>& trackSizes, NamedGridLinesMap& namedGridLines, OrderedNamedGridLinesMap& orderedNamedGridLines, const StyleResolver::State& state)
{
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
return primitiveValue->getValueID() == CSSValueNone;
}
if (!value->isValueList())
return false;
size_t currentNamedGridLine = 0;
for (CSSValueListIterator i = value; i.hasMore(); i.advance()) {
CSSValue* currValue = i.value();
if (currValue->isGridLineNamesValue()) {
CSSGridLineNamesValue* lineNamesValue = toCSSGridLineNamesValue(currValue);
for (CSSValueListIterator j = lineNamesValue; j.hasMore(); j.advance()) {
String namedGridLine = toCSSPrimitiveValue(j.value())->getStringValue();
NamedGridLinesMap::AddResult result = namedGridLines.add(namedGridLine, Vector<size_t>());
result.iterator->value.append(currentNamedGridLine);
OrderedNamedGridLinesMap::AddResult orderedResult = orderedNamedGridLines.add(currentNamedGridLine, Vector<String>());
orderedResult.iterator->value.append(namedGridLine);
}
continue;
}
++currentNamedGridLine;
GridTrackSize trackSize;
if (!createGridTrackSize(currValue, trackSize, state))
return false;
trackSizes.append(trackSize);
}
ASSERT(!trackSizes.isEmpty());
return true;
}
static bool createGridPosition(CSSValue* value, GridPosition& position)
{
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
if (primitiveValue->isString()) {
position.setNamedGridArea(primitiveValue->getStringValue());
return true;
}
ASSERT(primitiveValue->getValueID() == CSSValueAuto);
return true;
}
CSSValueList* values = toCSSValueList(value);
ASSERT(values->length());
bool isSpanPosition = false;
int gridLineNumber = 0;
String gridLineName;
CSSValueListIterator it = values;
CSSPrimitiveValue* currentValue = toCSSPrimitiveValue(it.value());
if (currentValue->getValueID() == CSSValueSpan) {
isSpanPosition = true;
it.advance();
currentValue = it.hasMore() ? toCSSPrimitiveValue(it.value()) : 0;
}
if (currentValue && currentValue->isNumber()) {
gridLineNumber = currentValue->getIntValue();
it.advance();
currentValue = it.hasMore() ? toCSSPrimitiveValue(it.value()) : 0;
}
if (currentValue && currentValue->isString()) {
gridLineName = currentValue->getStringValue();
it.advance();
}
ASSERT(!it.hasMore());
if (isSpanPosition)
position.setSpanPosition(gridLineNumber ? gridLineNumber : 1, gridLineName);
else
position.setExplicitPosition(gridLineNumber, gridLineName);
return true;
}
#endif
void StyleResolver::applyProperty(CSSPropertyID id, CSSValue* value)
{
ASSERT_WITH_MESSAGE(!isExpandedShorthand(id), "Shorthand property id = %d wasn't expanded at parsing time", id);
State& state = m_state;
if (CSSProperty::isDirectionAwareProperty(id)) {
CSSPropertyID newId = CSSProperty::resolveDirectionAwareProperty(id, state.style()->direction(), state.style()->writingMode());
ASSERT(newId != id);
return applyProperty(newId, value);
}
bool isInherit = state.parentStyle() && value->isInheritedValue();
bool isInitial = value->isInitialValue() || (!state.parentStyle() && value->isInheritedValue());
ASSERT(!isInherit || !isInitial);
if (!state.applyPropertyToRegularStyle() && (!state.applyPropertyToVisitedLinkStyle() || !isValidVisitedLinkProperty(id))) {
return;
}
if (isInherit && !state.parentStyle()->hasExplicitlyInheritedProperties() && !CSSProperty::isInheritedProperty(id))
state.parentStyle()->setHasExplicitlyInheritedProperties();
const PropertyHandler& handler = m_deprecatedStyleBuilder.propertyHandler(id);
if (handler.isValid()) {
if (isInherit)
handler.applyInheritValue(id, this);
else if (isInitial)
handler.applyInitialValue(id, this);
else
handler.applyValue(id, this, value);
return;
}
CSSPrimitiveValue* primitiveValue = value->isPrimitiveValue() ? toCSSPrimitiveValue(value) : 0;
switch (id) {
case CSSPropertyContent:
{
if (isInitial) {
state.style()->clearContent();
return;
}
if (!value->isValueList())
return;
bool didSet = false;
for (CSSValueListIterator i = value; i.hasMore(); i.advance()) {
CSSValue* item = i.value();
if (item->isImageGeneratorValue()) {
if (item->isGradientValue())
state.style()->setContent(StyleGeneratedImage::create(*toCSSGradientValue(item)->gradientWithStylesResolved(this)), didSet);
else
state.style()->setContent(StyleGeneratedImage::create(*toCSSImageGeneratorValue(item)), didSet);
didSet = true;
#if ENABLE(CSS_IMAGE_SET)
} else if (item->isImageSetValue()) {
state.style()->setContent(setOrPendingFromValue(CSSPropertyContent, toCSSImageSetValue(item)), didSet);
didSet = true;
#endif
}
if (item->isImageValue()) {
state.style()->setContent(cachedOrPendingFromValue(CSSPropertyContent, toCSSImageValue(item)), didSet);
didSet = true;
continue;
}
if (!item->isPrimitiveValue())
continue;
CSSPrimitiveValue* contentValue = toCSSPrimitiveValue(item);
if (contentValue->isString()) {
state.style()->setContent(contentValue->getStringValue().impl(), didSet);
didSet = true;
} else if (contentValue->isAttr()) {
if (state.style()->styleType() == NOPSEUDO)
state.style()->setUnique();
else
state.parentStyle()->setUnique();
QualifiedName attr(nullAtom, contentValue->getStringValue().impl(), nullAtom);
const AtomicString& value = state.element()->getAttribute(attr);
state.style()->setContent(value.isNull() ? emptyAtom : value.impl(), didSet);
didSet = true;
m_ruleSets.features().attrsInRules.add(attr.localName().impl());
} else if (contentValue->isCounter()) {
Counter* counterValue = contentValue->getCounterValue();
EListStyleType listStyleType = NoneListStyle;
CSSValueID listStyleIdent = counterValue->listStyleIdent();
if (listStyleIdent != CSSValueNone)
listStyleType = static_cast<EListStyleType>(listStyleIdent - CSSValueDisc);
auto counter = std::make_unique<CounterContent>(counterValue->identifier(), listStyleType, counterValue->separator());
state.style()->setContent(WTF::move(counter), didSet);
didSet = true;
} else {
switch (contentValue->getValueID()) {
case CSSValueOpenQuote:
state.style()->setContent(OPEN_QUOTE, didSet);
didSet = true;
break;
case CSSValueCloseQuote:
state.style()->setContent(CLOSE_QUOTE, didSet);
didSet = true;
break;
case CSSValueNoOpenQuote:
state.style()->setContent(NO_OPEN_QUOTE, didSet);
didSet = true;
break;
case CSSValueNoCloseQuote:
state.style()->setContent(NO_CLOSE_QUOTE, didSet);
didSet = true;
break;
default:
{ }
}
}
}
if (!didSet)
state.style()->clearContent();
return;
}
case CSSPropertyWebkitAlt:
{
bool didSet = false;
if (primitiveValue->isString()) {
state.style()->setContentAltText(primitiveValue->getStringValue().impl());
didSet = true;
} else if (primitiveValue->isAttr()) {
if (state.style()->styleType() == NOPSEUDO)
state.style()->setUnique();
else
state.parentStyle()->setUnique();
QualifiedName attr(nullAtom, primitiveValue->getStringValue().impl(), nullAtom);
const AtomicString& value = state.element()->getAttribute(attr);
state.style()->setContentAltText(value.isNull() ? emptyAtom : value.impl());
didSet = true;
m_ruleSets.features().attrsInRules.add(attr.localName().impl());
}
if (!didSet)
state.style()->setContentAltText(emptyAtom);
return;
}
case CSSPropertyQuotes:
if (isInherit) {
state.style()->setQuotes(state.parentStyle()->quotes());
return;
}
if (isInitial) {
state.style()->setQuotes(0);
return;
}
if (value->isValueList()) {
CSSValueList* list = toCSSValueList(value);
Vector<std::pair<String, String>> quotes;
for (size_t i = 0; i < list->length(); i += 2) {
CSSValue* first = list->itemWithoutBoundsCheck(i);
CSSValue* second = list->item(i + 1);
if (!second)
continue;
ASSERT_WITH_SECURITY_IMPLICATION(first->isPrimitiveValue());
ASSERT_WITH_SECURITY_IMPLICATION(second->isPrimitiveValue());
String startQuote = toCSSPrimitiveValue(first)->getStringValue();
String endQuote = toCSSPrimitiveValue(second)->getStringValue();
quotes.append(std::make_pair(startQuote, endQuote));
}
state.style()->setQuotes(QuotesData::create(quotes));
return;
}
if (primitiveValue) {
if (primitiveValue->getValueID() == CSSValueNone)
state.style()->setQuotes(QuotesData::create(Vector<std::pair<String, String>>()));
}
return;
case CSSPropertyFont:
if (isInherit) {
FontDescription fontDescription = state.parentStyle()->fontDescription();
state.style()->setLineHeight(state.parentStyle()->specifiedLineHeight());
state.setLineHeightValue(0);
setFontDescription(fontDescription);
} else if (isInitial) {
Settings* settings = documentSettings();
ASSERT(settings); if (!settings)
return;
initializeFontStyle(settings);
} else if (primitiveValue) {
state.style()->setLineHeight(RenderStyle::initialLineHeight());
state.setLineHeightValue(0);
FontDescription fontDescription;
RenderTheme::defaultTheme()->systemFont(primitiveValue->getValueID(), fontDescription);
if (fontDescription.isAbsoluteSize()) {
Settings* settings = documentSettings();
ASSERT(settings); if (!settings)
return;
fontDescription.setRenderingMode(settings->fontRenderingMode());
fontDescription.setUsePrinterFont(document().printing() || !settings->screenFontSubstitutionEnabled());
fontDescription.setComputedSize(Style::computedFontSizeFromSpecifiedSize(fontDescription.specifiedSize(), fontDescription.isAbsoluteSize(), useSVGZoomRules(), state.style(), document()));
setFontDescription(fontDescription);
}
} else if (value->isFontValue()) {
CSSFontValue* font = toCSSFontValue(value);
if (!font->style || !font->variant || !font->weight
|| !font->size || !font->lineHeight || !font->family)
return;
applyProperty(CSSPropertyFontStyle, font->style.get());
applyProperty(CSSPropertyFontVariant, font->variant.get());
applyProperty(CSSPropertyFontWeight, font->weight.get());
updateFont();
applyProperty(CSSPropertyFontSize, font->size.get());
state.setLineHeightValue(font->lineHeight.get());
applyProperty(CSSPropertyFontFamily, font->family.get());
}
return;
case CSSPropertyBackground:
case CSSPropertyBackgroundPosition:
case CSSPropertyBackgroundRepeat:
case CSSPropertyBorder:
case CSSPropertyBorderBottom:
case CSSPropertyBorderColor:
case CSSPropertyBorderImage:
case CSSPropertyBorderLeft:
case CSSPropertyBorderRadius:
case CSSPropertyBorderRight:
case CSSPropertyBorderSpacing:
case CSSPropertyBorderStyle:
case CSSPropertyBorderTop:
case CSSPropertyBorderWidth:
case CSSPropertyListStyle:
case CSSPropertyMargin:
case CSSPropertyOutline:
case CSSPropertyOverflow:
case CSSPropertyPadding:
case CSSPropertyTransition:
case CSSPropertyWebkitAnimation:
case CSSPropertyWebkitBorderAfter:
case CSSPropertyWebkitBorderBefore:
case CSSPropertyWebkitBorderEnd:
case CSSPropertyWebkitBorderStart:
case CSSPropertyWebkitBorderRadius:
case CSSPropertyWebkitColumns:
case CSSPropertyWebkitColumnRule:
case CSSPropertyWebkitFlex:
case CSSPropertyWebkitFlexFlow:
#if ENABLE(CSS_GRID_LAYOUT)
case CSSPropertyWebkitGridTemplate:
case CSSPropertyWebkitGridArea:
case CSSPropertyWebkitGridColumn:
case CSSPropertyWebkitGridRow:
#endif
case CSSPropertyWebkitMarginCollapse:
case CSSPropertyWebkitMarquee:
case CSSPropertyWebkitMask:
case CSSPropertyWebkitMaskPosition:
case CSSPropertyWebkitMaskRepeat:
case CSSPropertyWebkitTextEmphasis:
case CSSPropertyWebkitTextStroke:
case CSSPropertyWebkitTransition:
case CSSPropertyWebkitTransformOrigin:
ASSERT(isExpandedShorthand(id));
ASSERT_NOT_REACHED();
break;
case CSSPropertyTextShadow:
case CSSPropertyBoxShadow:
case CSSPropertyWebkitBoxShadow: {
if (isInherit) {
if (id == CSSPropertyTextShadow)
return state.style()->setTextShadow(state.parentStyle()->textShadow() ? std::make_unique<ShadowData>(*state.parentStyle()->textShadow()) : nullptr);
return state.style()->setBoxShadow(state.parentStyle()->boxShadow() ? std::make_unique<ShadowData>(*state.parentStyle()->boxShadow()) : nullptr);
}
if (isInitial || primitiveValue) return id == CSSPropertyTextShadow ? state.style()->setTextShadow(nullptr) : state.style()->setBoxShadow(nullptr);
if (!value->isValueList())
return;
for (CSSValueListIterator i = value; i.hasMore(); i.advance()) {
CSSValue* currValue = i.value();
if (!currValue->isShadowValue())
continue;
CSSShadowValue* item = toCSSShadowValue(currValue);
int x = item->x->computeLength<int>(state.cssToLengthConversionData());
int y = item->y->computeLength<int>(state.cssToLengthConversionData());
int blur = item->blur ? item->blur->computeLength<int>(state.cssToLengthConversionData()) : 0;
int spread = item->spread ? item->spread->computeLength<int>(state.cssToLengthConversionData()) : 0;
ShadowStyle shadowStyle = item->style && item->style->getValueID() == CSSValueInset ? Inset : Normal;
Color color;
if (item->color)
color = colorFromPrimitiveValue(item->color.get());
else if (state.style())
color = state.style()->color();
auto shadowData = std::make_unique<ShadowData>(IntPoint(x, y), blur, spread, shadowStyle, id == CSSPropertyWebkitBoxShadow, color.isValid() ? color : Color::transparent);
if (id == CSSPropertyTextShadow)
state.style()->setTextShadow(WTF::move(shadowData), i.index()); else
state.style()->setBoxShadow(WTF::move(shadowData), i.index()); }
return;
}
case CSSPropertyWebkitBoxReflect: {
HANDLE_INHERIT_AND_INITIAL(boxReflect, BoxReflect)
if (primitiveValue) {
state.style()->setBoxReflect(RenderStyle::initialBoxReflect());
return;
}
if (!value->isReflectValue())
return;
CSSReflectValue* reflectValue = toCSSReflectValue(value);
RefPtr<StyleReflection> reflection = StyleReflection::create();
reflection->setDirection(*reflectValue->direction());
if (reflectValue->offset())
reflection->setOffset(reflectValue->offset()->convertToLength<FixedIntegerConversion | PercentConversion | CalculatedConversion>(state.cssToLengthConversionData()));
NinePieceImage mask;
mask.setMaskDefaults();
m_styleMap.mapNinePieceImage(id, reflectValue->mask(), mask);
reflection->setMask(mask);
state.style()->setBoxReflect(reflection.release());
return;
}
case CSSPropertySrc: return;
case CSSPropertyUnicodeRange: return;
case CSSPropertyWebkitLocale: {
HANDLE_INHERIT_AND_INITIAL(locale, Locale);
if (!primitiveValue)
return;
if (primitiveValue->getValueID() == CSSValueAuto)
state.style()->setLocale(nullAtom);
else
state.style()->setLocale(primitiveValue->getStringValue());
FontDescription fontDescription = state.style()->fontDescription();
fontDescription.setScript(localeToScriptCodeForFontSelection(state.style()->locale()));
setFontDescription(fontDescription);
return;
}
#if ENABLE(IOS_TEXT_AUTOSIZING)
case CSSPropertyWebkitTextSizeAdjust: {
HANDLE_INHERIT_AND_INITIAL(textSizeAdjust, TextSizeAdjust)
if (!primitiveValue)
return;
if (primitiveValue->getValueID() == CSSValueAuto)
state.style()->setTextSizeAdjust(TextSizeAdjustment(AutoTextSizeAdjustment));
else if (primitiveValue->getValueID() == CSSValueNone)
state.style()->setTextSizeAdjust(TextSizeAdjustment(NoTextSizeAdjustment));
else
state.style()->setTextSizeAdjust(TextSizeAdjustment(primitiveValue->getFloatValue()));
state.setFontDirty(true);
return;
}
#endif
#if ENABLE(DASHBOARD_SUPPORT)
case CSSPropertyWebkitDashboardRegion:
{
HANDLE_INHERIT_AND_INITIAL(dashboardRegions, DashboardRegions)
if (!primitiveValue)
return;
if (primitiveValue->getValueID() == CSSValueNone) {
state.style()->setDashboardRegions(RenderStyle::noneDashboardRegions());
return;
}
DashboardRegion* region = primitiveValue->getDashboardRegionValue();
if (!region)
return;
DashboardRegion* first = region;
while (region) {
Length top = convertToIntLength(region->top(), state.cssToLengthConversionData().copyWithAdjustedZoom(1.0f));
Length right = convertToIntLength(region->right(), state.cssToLengthConversionData().copyWithAdjustedZoom(1.0f));
Length bottom = convertToIntLength(region->bottom(), state.cssToLengthConversionData().copyWithAdjustedZoom(1.0f));
Length left = convertToIntLength(region->left(), state.cssToLengthConversionData().copyWithAdjustedZoom(1.0f));
if (top.isUndefined())
top = Length();
if (right.isUndefined())
right = Length();
if (bottom.isUndefined())
bottom = Length();
if (left.isUndefined())
left = Length();
if (region->m_isCircle)
state.style()->setDashboardRegion(StyleDashboardRegion::Circle, region->m_label, top, right, bottom, left, region == first ? false : true);
else if (region->m_isRectangle)
state.style()->setDashboardRegion(StyleDashboardRegion::Rectangle, region->m_label, top, right, bottom, left, region == first ? false : true);
region = region->m_next.get();
}
state.document().setHasAnnotatedRegions(true);
return;
}
#endif
case CSSPropertyWebkitTextStrokeWidth: {
HANDLE_INHERIT_AND_INITIAL(textStrokeWidth, TextStrokeWidth)
float width = 0;
switch (primitiveValue->getValueID()) {
case CSSValueThin:
case CSSValueMedium:
case CSSValueThick: {
double result = 1.0 / 48;
if (primitiveValue->getValueID() == CSSValueMedium)
result *= 3;
else if (primitiveValue->getValueID() == CSSValueThick)
result *= 5;
Ref<CSSPrimitiveValue> value(CSSPrimitiveValue::create(result, CSSPrimitiveValue::CSS_EMS));
width = value.get().computeLength<float>(state.cssToLengthConversionData());
break;
}
default:
width = primitiveValue->computeLength<float>(state.cssToLengthConversionData());
break;
}
state.style()->setTextStrokeWidth(width);
return;
}
case CSSPropertyWebkitTransform: {
HANDLE_INHERIT_AND_INITIAL(transform, Transform);
TransformOperations operations;
transformsForValue(value, state.cssToLengthConversionData(), operations);
state.style()->setTransform(operations);
return;
}
case CSSPropertyWebkitPerspective: {
HANDLE_INHERIT_AND_INITIAL(perspective, Perspective)
if (!primitiveValue)
return;
if (primitiveValue->getValueID() == CSSValueNone) {
state.style()->setPerspective(0);
return;
}
float perspectiveValue;
if (primitiveValue->isLength())
perspectiveValue = primitiveValue->computeLength<float>(state.cssToLengthConversionData());
else if (primitiveValue->isNumber()) {
Ref<CSSPrimitiveValue> value(CSSPrimitiveValue::create(primitiveValue->getDoubleValue(), CSSPrimitiveValue::CSS_PX));
perspectiveValue = value.get().computeLength<float>(state.cssToLengthConversionData());
} else
return;
if (perspectiveValue >= 0.0f)
state.style()->setPerspective(perspectiveValue);
return;
}
#if PLATFORM(IOS)
case CSSPropertyWebkitTouchCallout: {
HANDLE_INHERIT_AND_INITIAL(touchCalloutEnabled, TouchCalloutEnabled);
if (!primitiveValue)
break;
state.style()->setTouchCalloutEnabled(primitiveValue->getStringValue().lower() != "none");
return;
}
case CSSPropertyWebkitCompositionFillColor: {
HANDLE_INHERIT_AND_INITIAL(compositionFillColor, CompositionFillColor);
if (!primitiveValue)
break;
state.style()->setCompositionFillColor(colorFromPrimitiveValue(primitiveValue));
return;
}
#endif
#if ENABLE(TOUCH_EVENTS)
case CSSPropertyWebkitTapHighlightColor: {
HANDLE_INHERIT_AND_INITIAL(tapHighlightColor, TapHighlightColor);
if (!primitiveValue)
break;
Color col = colorFromPrimitiveValue(primitiveValue);
state.style()->setTapHighlightColor(col);
return;
}
#endif
#if ENABLE(ACCELERATED_OVERFLOW_SCROLLING)
case CSSPropertyWebkitOverflowScrolling: {
HANDLE_INHERIT_AND_INITIAL(useTouchOverflowScrolling, UseTouchOverflowScrolling);
if (!primitiveValue)
break;
state.style()->setUseTouchOverflowScrolling(primitiveValue->getValueID() == CSSValueTouch);
return;
}
#endif
case CSSPropertyInvalid:
return;
case CSSPropertyFontStretch:
case CSSPropertyPage:
case CSSPropertyTextLineThrough:
case CSSPropertyTextLineThroughColor:
case CSSPropertyTextLineThroughMode:
case CSSPropertyTextLineThroughStyle:
case CSSPropertyTextLineThroughWidth:
case CSSPropertyTextOverline:
case CSSPropertyTextOverlineColor:
case CSSPropertyTextOverlineMode:
case CSSPropertyTextOverlineStyle:
case CSSPropertyTextOverlineWidth:
case CSSPropertyTextUnderline:
case CSSPropertyTextUnderlineColor:
case CSSPropertyTextUnderlineMode:
case CSSPropertyTextUnderlineStyle:
case CSSPropertyTextUnderlineWidth:
case CSSPropertyWebkitFontSizeDelta:
case CSSPropertyWebkitTextDecorationsInEffect:
return;
case CSSPropertyWebkitWritingMode: {
HANDLE_INHERIT_AND_INITIAL(writingMode, WritingMode);
if (primitiveValue)
setWritingMode(*primitiveValue);
if (state.element() && state.element() == state.document().documentElement())
state.document().setWritingModeSetOnDocumentElement(true);
return;
}
case CSSPropertyWebkitTextOrientation: {
HANDLE_INHERIT_AND_INITIAL(textOrientation, TextOrientation);
if (primitiveValue)
setTextOrientation(*primitiveValue);
return;
}
case CSSPropertyWebkitLineBoxContain: {
HANDLE_INHERIT_AND_INITIAL(lineBoxContain, LineBoxContain)
if (primitiveValue && primitiveValue->getValueID() == CSSValueNone) {
state.style()->setLineBoxContain(LineBoxContainNone);
return;
}
if (!value->isLineBoxContainValue())
return;
state.style()->setLineBoxContain(toCSSLineBoxContainValue(value)->value());
return;
}
case CSSPropertyWebkitFontFeatureSettings: {
if (primitiveValue && primitiveValue->getValueID() == CSSValueNormal) {
setFontDescription(state.style()->fontDescription().makeNormalFeatureSettings());
return;
}
if (!value->isValueList())
return;
FontDescription fontDescription = state.style()->fontDescription();
CSSValueList* list = toCSSValueList(value);
RefPtr<FontFeatureSettings> settings = FontFeatureSettings::create();
int len = list->length();
for (int i = 0; i < len; ++i) {
CSSValue* item = list->itemWithoutBoundsCheck(i);
if (!item->isFontFeatureValue())
continue;
CSSFontFeatureValue* feature = toCSSFontFeatureValue(item);
settings->append(FontFeature(feature->tag(), feature->value()));
}
fontDescription.setFeatureSettings(settings.release());
setFontDescription(fontDescription);
return;
}
#if ENABLE(CSS_FILTERS)
case CSSPropertyWebkitFilter: {
HANDLE_INHERIT_AND_INITIAL(filter, Filter);
FilterOperations operations;
if (createFilterOperations(value, operations))
state.style()->setFilter(operations);
return;
}
#endif
#if ENABLE(CSS_GRID_LAYOUT)
case CSSPropertyWebkitGridAutoColumns: {
HANDLE_INHERIT_AND_INITIAL(gridAutoColumns, GridAutoColumns);
GridTrackSize trackSize;
if (!createGridTrackSize(value, trackSize, state))
return;
state.style()->setGridAutoColumns(trackSize);
return;
}
case CSSPropertyWebkitGridAutoRows: {
HANDLE_INHERIT_AND_INITIAL(gridAutoRows, GridAutoRows);
GridTrackSize trackSize;
if (!createGridTrackSize(value, trackSize, state))
return;
state.style()->setGridAutoRows(trackSize);
return;
}
case CSSPropertyWebkitGridTemplateColumns: {
if (isInherit) {
m_state.style()->setGridColumns(m_state.parentStyle()->gridColumns());
m_state.style()->setNamedGridColumnLines(m_state.parentStyle()->namedGridColumnLines());
m_state.style()->setOrderedNamedGridColumnLines(m_state.parentStyle()->orderedNamedGridColumnLines());
return;
}
if (isInitial) {
m_state.style()->setGridColumns(RenderStyle::initialGridColumns());
m_state.style()->setNamedGridColumnLines(RenderStyle::initialNamedGridColumnLines());
m_state.style()->setOrderedNamedGridColumnLines(RenderStyle::initialOrderedNamedGridColumnLines());
return;
}
Vector<GridTrackSize> trackSizes;
NamedGridLinesMap namedGridLines;
OrderedNamedGridLinesMap orderedNamedGridLines;
if (!createGridTrackList(value, trackSizes, namedGridLines, orderedNamedGridLines, state))
return;
const NamedGridAreaMap& namedGridAreas = state.style()->namedGridArea();
if (!namedGridAreas.isEmpty())
createImplicitNamedGridLinesFromGridArea(namedGridAreas, namedGridLines, ForColumns);
state.style()->setGridColumns(trackSizes);
state.style()->setNamedGridColumnLines(namedGridLines);
state.style()->setOrderedNamedGridColumnLines(orderedNamedGridLines);
return;
}
case CSSPropertyWebkitGridTemplateRows: {
if (isInherit) {
m_state.style()->setGridRows(m_state.parentStyle()->gridRows());
m_state.style()->setNamedGridRowLines(m_state.parentStyle()->namedGridRowLines());
m_state.style()->setOrderedNamedGridRowLines(m_state.parentStyle()->orderedNamedGridRowLines());
return;
}
if (isInitial) {
m_state.style()->setGridRows(RenderStyle::initialGridRows());
m_state.style()->setNamedGridRowLines(RenderStyle::initialNamedGridRowLines());
m_state.style()->setOrderedNamedGridRowLines(RenderStyle::initialOrderedNamedGridRowLines());
return;
}
Vector<GridTrackSize> trackSizes;
NamedGridLinesMap namedGridLines;
OrderedNamedGridLinesMap orderedNamedGridLines;
if (!createGridTrackList(value, trackSizes, namedGridLines, orderedNamedGridLines, state))
return;
const NamedGridAreaMap& namedGridAreas = state.style()->namedGridArea();
if (!namedGridAreas.isEmpty())
createImplicitNamedGridLinesFromGridArea(namedGridAreas, namedGridLines, ForRows);
state.style()->setGridRows(trackSizes);
state.style()->setNamedGridRowLines(namedGridLines);
state.style()->setOrderedNamedGridRowLines(orderedNamedGridLines);
return;
}
case CSSPropertyWebkitGridColumnStart: {
HANDLE_INHERIT_AND_INITIAL(gridItemColumnStart, GridItemColumnStart);
GridPosition columnStartPosition;
if (!createGridPosition(value, columnStartPosition))
return;
state.style()->setGridItemColumnStart(columnStartPosition);
return;
}
case CSSPropertyWebkitGridColumnEnd: {
HANDLE_INHERIT_AND_INITIAL(gridItemColumnEnd, GridItemColumnEnd);
GridPosition columnEndPosition;
if (!createGridPosition(value, columnEndPosition))
return;
state.style()->setGridItemColumnEnd(columnEndPosition);
return;
}
case CSSPropertyWebkitGridRowStart: {
HANDLE_INHERIT_AND_INITIAL(gridItemRowStart, GridItemRowStart);
GridPosition rowStartPosition;
if (!createGridPosition(value, rowStartPosition))
return;
state.style()->setGridItemRowStart(rowStartPosition);
return;
}
case CSSPropertyWebkitGridRowEnd: {
HANDLE_INHERIT_AND_INITIAL(gridItemRowEnd, GridItemRowEnd);
GridPosition rowEndPosition;
if (!createGridPosition(value, rowEndPosition))
return;
state.style()->setGridItemRowEnd(rowEndPosition);
return;
}
case CSSPropertyWebkitGridTemplateAreas: {
if (isInherit) {
state.style()->setNamedGridArea(state.parentStyle()->namedGridArea());
state.style()->setNamedGridAreaRowCount(state.parentStyle()->namedGridAreaRowCount());
state.style()->setNamedGridAreaColumnCount(state.parentStyle()->namedGridAreaColumnCount());
return;
}
if (isInitial) {
state.style()->setNamedGridArea(RenderStyle::initialNamedGridArea());
state.style()->setNamedGridAreaRowCount(RenderStyle::initialNamedGridAreaCount());
state.style()->setNamedGridAreaColumnCount(RenderStyle::initialNamedGridAreaCount());
return;
}
if (value->isPrimitiveValue()) {
ASSERT(toCSSPrimitiveValue(value)->getValueID() == CSSValueNone);
return;
}
CSSGridTemplateAreasValue* gridTemplateAreasValue = toCSSGridTemplateAreasValue(value);
const NamedGridAreaMap& newNamedGridAreas = gridTemplateAreasValue->gridAreaMap();
NamedGridLinesMap namedGridColumnLines = state.style()->namedGridColumnLines();
NamedGridLinesMap namedGridRowLines = state.style()->namedGridRowLines();
createImplicitNamedGridLinesFromGridArea(newNamedGridAreas, namedGridColumnLines, ForColumns);
createImplicitNamedGridLinesFromGridArea(newNamedGridAreas, namedGridRowLines, ForRows);
state.style()->setNamedGridColumnLines(namedGridColumnLines);
state.style()->setNamedGridRowLines(namedGridRowLines);
state.style()->setNamedGridArea(gridTemplateAreasValue->gridAreaMap());
state.style()->setNamedGridAreaRowCount(gridTemplateAreasValue->rowCount());
state.style()->setNamedGridAreaColumnCount(gridTemplateAreasValue->columnCount());
return;
}
case CSSPropertyWebkitGridAutoFlow: {
HANDLE_INHERIT_AND_INITIAL(gridAutoFlow, GridAutoFlow);
if (!value->isValueList())
return;
CSSValueList* list = toCSSValueList(value);
if (!list->length()) {
state.style()->setGridAutoFlow(RenderStyle::initialGridAutoFlow());
return;
}
CSSPrimitiveValue* first = toCSSPrimitiveValue(list->item(0));
CSSPrimitiveValue* second = list->length() == 2 ? toCSSPrimitiveValue(list->item(1)) : nullptr;
GridAutoFlow autoFlow = RenderStyle::initialGridAutoFlow();
switch (first->getValueID()) {
case CSSValueRow:
if (second)
autoFlow = second->getValueID() == CSSValueDense ? AutoFlowRowDense : AutoFlowStackRow;
else
autoFlow = AutoFlowRow;
break;
case CSSValueColumn:
if (second)
autoFlow = second->getValueID() == CSSValueDense ? AutoFlowColumnDense : AutoFlowStackColumn;
else
autoFlow = AutoFlowColumn;
break;
default:
ASSERT_NOT_REACHED();
break;
}
state.style()->setGridAutoFlow(autoFlow);
return;
}
#endif
case CSSPropertyWebkitJustifySelf: {
HANDLE_INHERIT_AND_INITIAL(justifySelf, JustifySelf);
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
if (Pair* pairValue = primitiveValue->getPairValue()) {
state.style()->setJustifySelf(*pairValue->first());
state.style()->setJustifySelfOverflowAlignment(*pairValue->second());
} else
state.style()->setJustifySelf(*primitiveValue);
return;
}
case CSSPropertyTransitionDelay:
case CSSPropertyTransitionDuration:
case CSSPropertyTransitionProperty:
case CSSPropertyTransitionTimingFunction:
return;
case CSSPropertyBackgroundAttachment:
case CSSPropertyBackgroundClip:
case CSSPropertyBackgroundColor:
case CSSPropertyBackgroundImage:
case CSSPropertyBackgroundOrigin:
case CSSPropertyBackgroundPositionX:
case CSSPropertyBackgroundPositionY:
case CSSPropertyBackgroundRepeatX:
case CSSPropertyBackgroundRepeatY:
case CSSPropertyBackgroundSize:
case CSSPropertyBorderBottomColor:
case CSSPropertyBorderBottomLeftRadius:
case CSSPropertyBorderBottomRightRadius:
case CSSPropertyBorderBottomStyle:
case CSSPropertyBorderBottomWidth:
case CSSPropertyBorderCollapse:
case CSSPropertyBorderImageOutset:
case CSSPropertyBorderImageRepeat:
case CSSPropertyBorderImageSlice:
case CSSPropertyBorderImageSource:
case CSSPropertyBorderImageWidth:
case CSSPropertyBorderLeftColor:
case CSSPropertyBorderLeftStyle:
case CSSPropertyBorderLeftWidth:
case CSSPropertyBorderRightColor:
case CSSPropertyBorderRightStyle:
case CSSPropertyBorderRightWidth:
case CSSPropertyBorderTopColor:
case CSSPropertyBorderTopLeftRadius:
case CSSPropertyBorderTopRightRadius:
case CSSPropertyBorderTopStyle:
case CSSPropertyBorderTopWidth:
case CSSPropertyBottom:
case CSSPropertyBoxSizing:
case CSSPropertyCaptionSide:
case CSSPropertyClear:
case CSSPropertyClip:
case CSSPropertyColor:
case CSSPropertyCounterIncrement:
case CSSPropertyCounterReset:
case CSSPropertyCursor:
case CSSPropertyDirection:
case CSSPropertyDisplay:
case CSSPropertyEmptyCells:
case CSSPropertyFloat:
case CSSPropertyFontSize:
case CSSPropertyFontStyle:
case CSSPropertyFontVariant:
case CSSPropertyFontWeight:
case CSSPropertyHeight:
#if ENABLE(CSS_IMAGE_ORIENTATION)
case CSSPropertyImageOrientation:
#endif
case CSSPropertyImageRendering:
#if ENABLE(CSS_IMAGE_RESOLUTION)
case CSSPropertyImageResolution:
#endif
case CSSPropertyLeft:
case CSSPropertyLetterSpacing:
case CSSPropertyLineHeight:
case CSSPropertyListStyleImage:
case CSSPropertyListStylePosition:
case CSSPropertyListStyleType:
case CSSPropertyMarginBottom:
case CSSPropertyMarginLeft:
case CSSPropertyMarginRight:
case CSSPropertyMarginTop:
case CSSPropertyMaxHeight:
case CSSPropertyMaxWidth:
case CSSPropertyMinHeight:
case CSSPropertyMinWidth:
case CSSPropertyObjectFit:
case CSSPropertyOpacity:
case CSSPropertyOrphans:
case CSSPropertyOutlineColor:
case CSSPropertyOutlineOffset:
case CSSPropertyOutlineStyle:
case CSSPropertyOutlineWidth:
case CSSPropertyOverflowWrap:
case CSSPropertyOverflowX:
case CSSPropertyOverflowY:
case CSSPropertyPaddingBottom:
case CSSPropertyPaddingLeft:
case CSSPropertyPaddingRight:
case CSSPropertyPaddingTop:
case CSSPropertyPageBreakAfter:
case CSSPropertyPageBreakBefore:
case CSSPropertyPageBreakInside:
case CSSPropertyPointerEvents:
case CSSPropertyPosition:
case CSSPropertyResize:
case CSSPropertyRight:
case CSSPropertySize:
case CSSPropertySpeak:
case CSSPropertyTabSize:
case CSSPropertyTableLayout:
case CSSPropertyTextAlign:
case CSSPropertyTextDecoration:
case CSSPropertyTextIndent:
case CSSPropertyTextOverflow:
case CSSPropertyTextRendering:
case CSSPropertyTextTransform:
case CSSPropertyTop:
case CSSPropertyUnicodeBidi:
case CSSPropertyVerticalAlign:
case CSSPropertyVisibility:
case CSSPropertyWebkitAnimationDelay:
case CSSPropertyWebkitAnimationDirection:
case CSSPropertyWebkitAnimationDuration:
case CSSPropertyWebkitAnimationFillMode:
case CSSPropertyWebkitAnimationIterationCount:
case CSSPropertyWebkitAnimationName:
case CSSPropertyWebkitAnimationPlayState:
case CSSPropertyWebkitAnimationTimingFunction:
case CSSPropertyWebkitAppearance:
case CSSPropertyWebkitAspectRatio:
case CSSPropertyWebkitBackfaceVisibility:
case CSSPropertyWebkitBackgroundClip:
case CSSPropertyWebkitBackgroundComposite:
case CSSPropertyWebkitBackgroundOrigin:
case CSSPropertyWebkitBackgroundSize:
case CSSPropertyWebkitBorderFit:
case CSSPropertyWebkitBorderHorizontalSpacing:
case CSSPropertyWebkitBorderImage:
case CSSPropertyWebkitBorderVerticalSpacing:
case CSSPropertyWebkitBoxAlign:
#if ENABLE(CSS_BOX_DECORATION_BREAK)
case CSSPropertyWebkitBoxDecorationBreak:
#endif
case CSSPropertyWebkitBoxDirection:
case CSSPropertyWebkitBoxFlex:
case CSSPropertyWebkitBoxFlexGroup:
case CSSPropertyWebkitBoxLines:
case CSSPropertyWebkitBoxOrdinalGroup:
case CSSPropertyWebkitBoxOrient:
case CSSPropertyWebkitBoxPack:
case CSSPropertyWebkitColorCorrection:
case CSSPropertyWebkitColumnAxis:
case CSSPropertyWebkitColumnBreakAfter:
case CSSPropertyWebkitColumnBreakBefore:
case CSSPropertyWebkitColumnBreakInside:
case CSSPropertyWebkitColumnCount:
case CSSPropertyWebkitColumnGap:
case CSSPropertyWebkitColumnProgression:
case CSSPropertyWebkitColumnRuleColor:
case CSSPropertyWebkitColumnRuleStyle:
case CSSPropertyWebkitColumnRuleWidth:
case CSSPropertyWebkitColumnSpan:
case CSSPropertyWebkitColumnWidth:
#if ENABLE(CURSOR_VISIBILITY)
case CSSPropertyWebkitCursorVisibility:
#endif
case CSSPropertyWebkitAlignContent:
case CSSPropertyWebkitAlignItems:
case CSSPropertyWebkitAlignSelf:
case CSSPropertyWebkitFlexBasis:
case CSSPropertyWebkitFlexDirection:
case CSSPropertyWebkitFlexGrow:
case CSSPropertyWebkitFlexShrink:
case CSSPropertyWebkitFlexWrap:
case CSSPropertyWebkitJustifyContent:
case CSSPropertyWebkitOrder:
#if ENABLE(CSS_REGIONS)
case CSSPropertyWebkitFlowFrom:
case CSSPropertyWebkitFlowInto:
#endif
case CSSPropertyWebkitFontKerning:
case CSSPropertyWebkitFontSmoothing:
case CSSPropertyWebkitFontVariantLigatures:
case CSSPropertyWebkitHyphenateCharacter:
case CSSPropertyWebkitHyphenateLimitAfter:
case CSSPropertyWebkitHyphenateLimitBefore:
case CSSPropertyWebkitHyphenateLimitLines:
case CSSPropertyWebkitHyphens:
case CSSPropertyWebkitLineAlign:
case CSSPropertyWebkitLineBreak:
case CSSPropertyWebkitLineClamp:
case CSSPropertyWebkitLineGrid:
case CSSPropertyWebkitLineSnap:
case CSSPropertyWebkitMarqueeDirection:
case CSSPropertyWebkitMarqueeIncrement:
case CSSPropertyWebkitMarqueeRepetition:
case CSSPropertyWebkitMarqueeSpeed:
case CSSPropertyWebkitMarqueeStyle:
case CSSPropertyWebkitMaskBoxImage:
case CSSPropertyWebkitMaskBoxImageOutset:
case CSSPropertyWebkitMaskBoxImageRepeat:
case CSSPropertyWebkitMaskBoxImageSlice:
case CSSPropertyWebkitMaskBoxImageSource:
case CSSPropertyWebkitMaskBoxImageWidth:
case CSSPropertyWebkitMaskClip:
case CSSPropertyWebkitMaskComposite:
case CSSPropertyWebkitMaskImage:
case CSSPropertyWebkitMaskOrigin:
case CSSPropertyWebkitMaskPositionX:
case CSSPropertyWebkitMaskPositionY:
case CSSPropertyWebkitMaskRepeatX:
case CSSPropertyWebkitMaskRepeatY:
case CSSPropertyWebkitMaskSize:
case CSSPropertyWebkitMaskSourceType:
case CSSPropertyWebkitNbspMode:
case CSSPropertyWebkitPerspectiveOrigin:
case CSSPropertyWebkitPerspectiveOriginX:
case CSSPropertyWebkitPerspectiveOriginY:
case CSSPropertyWebkitPrintColorAdjust:
#if ENABLE(CSS_REGIONS)
case CSSPropertyWebkitRegionBreakAfter:
case CSSPropertyWebkitRegionBreakBefore:
case CSSPropertyWebkitRegionBreakInside:
case CSSPropertyWebkitRegionFragment:
#endif
case CSSPropertyWebkitRtlOrdering:
case CSSPropertyWebkitRubyPosition:
case CSSPropertyWebkitTextCombine:
#if ENABLE(CSS3_TEXT)
case CSSPropertyWebkitTextAlignLast:
case CSSPropertyWebkitTextJustify:
#endif // CSS3_TEXT
case CSSPropertyWebkitTextDecorationLine:
case CSSPropertyWebkitTextDecorationStyle:
case CSSPropertyWebkitTextDecorationColor:
case CSSPropertyWebkitTextDecorationSkip:
case CSSPropertyWebkitTextUnderlinePosition:
case CSSPropertyWebkitTextEmphasisColor:
case CSSPropertyWebkitTextEmphasisPosition:
case CSSPropertyWebkitTextEmphasisStyle:
case CSSPropertyWebkitTextFillColor:
case CSSPropertyWebkitTextSecurity:
case CSSPropertyWebkitTextStrokeColor:
case CSSPropertyWebkitTransformOriginX:
case CSSPropertyWebkitTransformOriginY:
case CSSPropertyWebkitTransformOriginZ:
case CSSPropertyWebkitTransformStyle:
case CSSPropertyWebkitTransitionDelay:
case CSSPropertyWebkitTransitionDuration:
case CSSPropertyWebkitTransitionProperty:
case CSSPropertyWebkitTransitionTimingFunction:
case CSSPropertyWebkitUserDrag:
case CSSPropertyWebkitUserModify:
case CSSPropertyWebkitUserSelect:
case CSSPropertyWebkitClipPath:
#if ENABLE(CSS_SHAPES)
case CSSPropertyWebkitShapeMargin:
case CSSPropertyWebkitShapeImageThreshold:
case CSSPropertyWebkitShapeOutside:
#endif
case CSSPropertyWhiteSpace:
case CSSPropertyWidows:
case CSSPropertyWidth:
case CSSPropertyWordBreak:
case CSSPropertyWordSpacing:
case CSSPropertyWordWrap:
case CSSPropertyZIndex:
case CSSPropertyZoom:
#if ENABLE(CSS_DEVICE_ADAPTATION)
case CSSPropertyMaxZoom:
case CSSPropertyMinZoom:
case CSSPropertyOrientation:
case CSSPropertyUserZoom:
#endif
ASSERT_NOT_REACHED();
return;
default:
applySVGProperty(id, value);
return;
}
}
PassRefPtr<StyleImage> StyleResolver::styleImage(CSSPropertyID property, CSSValue* value)
{
if (value->isImageValue())
return cachedOrPendingFromValue(property, toCSSImageValue(value));
if (value->isImageGeneratorValue()) {
if (value->isGradientValue())
return generatedOrPendingFromValue(property, *toCSSGradientValue(value)->gradientWithStylesResolved(this));
return generatedOrPendingFromValue(property, toCSSImageGeneratorValue(*value));
}
#if ENABLE(CSS_IMAGE_SET)
if (value->isImageSetValue())
return setOrPendingFromValue(property, toCSSImageSetValue(value));
#endif
if (value->isCursorImageValue())
return cursorOrPendingFromValue(property, toCSSCursorImageValue(value));
return 0;
}
PassRefPtr<StyleImage> StyleResolver::cachedOrPendingFromValue(CSSPropertyID property, CSSImageValue* value)
{
RefPtr<StyleImage> image = value->cachedOrPendingImage();
if (image && image->isPendingImage())
m_state.pendingImageProperties().set(property, value);
return image.release();
}
PassRefPtr<StyleImage> StyleResolver::generatedOrPendingFromValue(CSSPropertyID property, CSSImageGeneratorValue& value)
{
#if ENABLE(CSS_FILTERS)
if (value.isFilterImageValue()) {
toCSSFilterImageValue(value).createFilterOperations(this);
}
#endif
if (value.isPending()) {
m_state.pendingImageProperties().set(property, &value);
return StylePendingImage::create(&value);
}
return StyleGeneratedImage::create(value);
}
#if ENABLE(CSS_IMAGE_SET)
PassRefPtr<StyleImage> StyleResolver::setOrPendingFromValue(CSSPropertyID property, CSSImageSetValue* value)
{
RefPtr<StyleImage> image = value->cachedOrPendingImageSet(document());
if (image && image->isPendingImage())
m_state.pendingImageProperties().set(property, value);
return image.release();
}
#endif
PassRefPtr<StyleImage> StyleResolver::cursorOrPendingFromValue(CSSPropertyID property, CSSCursorImageValue* value)
{
RefPtr<StyleImage> image = value->cachedOrPendingImage(document());
if (image && image->isPendingImage())
m_state.pendingImageProperties().set(property, value);
return image.release();
}
#if ENABLE(IOS_TEXT_AUTOSIZING)
void StyleResolver::checkForTextSizeAdjust(RenderStyle* style)
{
if (style->textSizeAdjust().isAuto())
return;
FontDescription newFontDescription(style->fontDescription());
if (!style->textSizeAdjust().isNone())
newFontDescription.setComputedSize(newFontDescription.specifiedSize() * style->textSizeAdjust().multiplier());
else
newFontDescription.setComputedSize(newFontDescription.specifiedSize());
style->setFontDescription(newFontDescription);
}
#endif
void StyleResolver::checkForZoomChange(RenderStyle* style, RenderStyle* parentStyle)
{
if (!parentStyle)
return;
if (style->effectiveZoom() == parentStyle->effectiveZoom())
return;
const FontDescription& childFont = style->fontDescription();
FontDescription newFontDescription(childFont);
setFontSize(newFontDescription, childFont.specifiedSize());
style->setFontDescription(newFontDescription);
}
void StyleResolver::checkForGenericFamilyChange(RenderStyle* style, RenderStyle* parentStyle)
{
const FontDescription& childFont = style->fontDescription();
if (childFont.isAbsoluteSize() || !parentStyle)
return;
const FontDescription& parentFont = parentStyle->fontDescription();
if (childFont.useFixedDefaultSize() == parentFont.useFixedDefaultSize())
return;
if (childFont.genericFamily() != FontDescription::MonospaceFamily
&& parentFont.genericFamily() != FontDescription::MonospaceFamily)
return;
float size;
if (childFont.keywordSize())
size = Style::fontSizeForKeyword(CSSValueXxSmall + childFont.keywordSize() - 1, childFont.useFixedDefaultSize(), document());
else {
Settings* settings = documentSettings();
float fixedScaleFactor = (settings && settings->defaultFixedFontSize() && settings->defaultFontSize())
? static_cast<float>(settings->defaultFixedFontSize()) / settings->defaultFontSize()
: 1;
size = parentFont.useFixedDefaultSize() ?
childFont.specifiedSize() / fixedScaleFactor :
childFont.specifiedSize() * fixedScaleFactor;
}
FontDescription newFontDescription(childFont);
setFontSize(newFontDescription, size);
style->setFontDescription(newFontDescription);
}
void StyleResolver::initializeFontStyle(Settings* settings)
{
FontDescription fontDescription;
fontDescription.setGenericFamily(FontDescription::StandardFamily);
fontDescription.setRenderingMode(settings->fontRenderingMode());
fontDescription.setUsePrinterFont(document().printing() || !settings->screenFontSubstitutionEnabled());
const AtomicString& standardFontFamily = documentSettings()->standardFontFamily();
if (!standardFontFamily.isEmpty())
fontDescription.setOneFamily(standardFontFamily);
fontDescription.setKeywordSize(CSSValueMedium - CSSValueXxSmall + 1);
setFontSize(fontDescription, Style::fontSizeForKeyword(CSSValueMedium, false, document()));
m_state.style()->setLineHeight(RenderStyle::initialLineHeight());
m_state.setLineHeightValue(0);
setFontDescription(fontDescription);
}
void StyleResolver::setFontSize(FontDescription& fontDescription, float size)
{
fontDescription.setSpecifiedSize(size);
fontDescription.setComputedSize(Style::computedFontSizeFromSpecifiedSize(size, fontDescription.isAbsoluteSize(), useSVGZoomRules(), m_state.style(), document()));
}
static Color colorForCSSValue(CSSValueID cssValueId)
{
struct ColorValue {
CSSValueID cssValueId;
RGBA32 color;
};
static const ColorValue colorValues[] = {
{ CSSValueAqua, 0xFF00FFFF },
{ CSSValueBlack, 0xFF000000 },
{ CSSValueBlue, 0xFF0000FF },
{ CSSValueFuchsia, 0xFFFF00FF },
{ CSSValueGray, 0xFF808080 },
{ CSSValueGreen, 0xFF008000 },
{ CSSValueGrey, 0xFF808080 },
{ CSSValueLime, 0xFF00FF00 },
{ CSSValueMaroon, 0xFF800000 },
{ CSSValueNavy, 0xFF000080 },
{ CSSValueOlive, 0xFF808000 },
{ CSSValueOrange, 0xFFFFA500 },
{ CSSValuePurple, 0xFF800080 },
{ CSSValueRed, 0xFFFF0000 },
{ CSSValueSilver, 0xFFC0C0C0 },
{ CSSValueTeal, 0xFF008080 },
{ CSSValueTransparent, 0x00000000 },
{ CSSValueWhite, 0xFFFFFFFF },
{ CSSValueYellow, 0xFFFFFF00 },
{ CSSValueInvalid, CSSValueInvalid }
};
for (const ColorValue* col = colorValues; col->cssValueId; ++col) {
if (col->cssValueId == cssValueId)
return col->color;
}
return RenderTheme::defaultTheme()->systemColor(cssValueId);
}
bool StyleResolver::colorFromPrimitiveValueIsDerivedFromElement(CSSPrimitiveValue* value)
{
int ident = value->getValueID();
switch (ident) {
case CSSValueWebkitText:
case CSSValueWebkitLink:
case CSSValueWebkitActivelink:
case CSSValueCurrentcolor:
return true;
default:
return false;
}
}
Color StyleResolver::colorFromPrimitiveValue(CSSPrimitiveValue* value, bool forVisitedLink) const
{
if (value->isRGBColor())
return Color(value->getRGBA32Value());
const State& state = m_state;
CSSValueID ident = value->getValueID();
switch (ident) {
case 0:
return Color();
case CSSValueWebkitText:
return state.document().textColor();
case CSSValueWebkitLink:
return (state.element()->isLink() && forVisitedLink) ? state.document().visitedLinkColor() : state.document().linkColor();
case CSSValueWebkitActivelink:
return state.document().activeLinkColor();
case CSSValueWebkitFocusRingColor:
return RenderTheme::focusRingColor();
case CSSValueCurrentcolor:
return state.style()->color();
default:
return colorForCSSValue(ident);
}
}
void StyleResolver::addViewportDependentMediaQueryResult(const MediaQueryExp* expr, bool result)
{
m_viewportDependentMediaQueryResults.append(std::make_unique<MediaQueryResult>(*expr, result));
}
bool StyleResolver::hasMediaQueriesAffectedByViewportChange() const
{
unsigned s = m_viewportDependentMediaQueryResults.size();
for (unsigned i = 0; i < s; i++) {
if (m_medium->eval(&m_viewportDependentMediaQueryResults[i]->m_expression) != m_viewportDependentMediaQueryResults[i]->m_result)
return true;
}
return false;
}
#if ENABLE(CSS_FILTERS)
static FilterOperation::OperationType filterOperationForType(WebKitCSSFilterValue::FilterOperationType type)
{
switch (type) {
case WebKitCSSFilterValue::ReferenceFilterOperation:
return FilterOperation::REFERENCE;
case WebKitCSSFilterValue::GrayscaleFilterOperation:
return FilterOperation::GRAYSCALE;
case WebKitCSSFilterValue::SepiaFilterOperation:
return FilterOperation::SEPIA;
case WebKitCSSFilterValue::SaturateFilterOperation:
return FilterOperation::SATURATE;
case WebKitCSSFilterValue::HueRotateFilterOperation:
return FilterOperation::HUE_ROTATE;
case WebKitCSSFilterValue::InvertFilterOperation:
return FilterOperation::INVERT;
case WebKitCSSFilterValue::OpacityFilterOperation:
return FilterOperation::OPACITY;
case WebKitCSSFilterValue::BrightnessFilterOperation:
return FilterOperation::BRIGHTNESS;
case WebKitCSSFilterValue::ContrastFilterOperation:
return FilterOperation::CONTRAST;
case WebKitCSSFilterValue::BlurFilterOperation:
return FilterOperation::BLUR;
case WebKitCSSFilterValue::DropShadowFilterOperation:
return FilterOperation::DROP_SHADOW;
case WebKitCSSFilterValue::UnknownFilterOperation:
return FilterOperation::NONE;
}
return FilterOperation::NONE;
}
void StyleResolver::loadPendingSVGDocuments()
{
State& state = m_state;
ASSERT(state.style());
if (!state.style() || !state.style()->hasFilter() || state.filtersWithPendingSVGDocuments().isEmpty())
return;
CachedResourceLoader* cachedResourceLoader = state.document().cachedResourceLoader();
for (auto& filterOperation : state.filtersWithPendingSVGDocuments())
filterOperation->getOrCreateCachedSVGDocumentReference()->load(cachedResourceLoader);
state.filtersWithPendingSVGDocuments().clear();
}
bool StyleResolver::createFilterOperations(CSSValue* inValue, FilterOperations& outOperations)
{
State& state = m_state;
ASSERT(outOperations.isEmpty());
if (!inValue)
return false;
if (inValue->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(inValue);
if (primitiveValue->getValueID() == CSSValueNone)
return true;
}
if (!inValue->isValueList())
return false;
FilterOperations operations;
for (CSSValueListIterator i = inValue; i.hasMore(); i.advance()) {
CSSValue* currValue = i.value();
if (!currValue->isWebKitCSSFilterValue())
continue;
WebKitCSSFilterValue* filterValue = toWebKitCSSFilterValue(i.value());
FilterOperation::OperationType operationType = filterOperationForType(filterValue->operationType());
if (operationType == FilterOperation::REFERENCE) {
if (filterValue->length() != 1)
continue;
CSSValue* argument = filterValue->itemWithoutBoundsCheck(0);
if (!argument->isPrimitiveValue())
continue;
CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(*argument);
String cssUrl = primitiveValue.getStringValue();
URL url = m_state.document().completeURL(cssUrl);
RefPtr<ReferenceFilterOperation> operation = ReferenceFilterOperation::create(cssUrl, url.fragmentIdentifier());
if (SVGURIReference::isExternalURIReference(cssUrl, m_state.document()))
state.filtersWithPendingSVGDocuments().append(operation);
operations.operations().append(operation);
continue;
}
CSSPrimitiveValue* firstValue = nullptr;
if (operationType != FilterOperation::DROP_SHADOW) {
bool haveNonPrimitiveValue = false;
for (unsigned j = 0; j < filterValue->length(); ++j) {
if (!filterValue->itemWithoutBoundsCheck(j)->isPrimitiveValue()) {
haveNonPrimitiveValue = true;
break;
}
}
if (haveNonPrimitiveValue)
continue;
if (filterValue->length())
firstValue = toCSSPrimitiveValue(filterValue->itemWithoutBoundsCheck(0));
}
switch (filterValue->operationType()) {
case WebKitCSSFilterValue::GrayscaleFilterOperation:
case WebKitCSSFilterValue::SepiaFilterOperation:
case WebKitCSSFilterValue::SaturateFilterOperation: {
double amount = 1;
if (filterValue->length() == 1) {
amount = firstValue->getDoubleValue();
if (firstValue->isPercentage())
amount /= 100;
}
operations.operations().append(BasicColorMatrixFilterOperation::create(amount, operationType));
break;
}
case WebKitCSSFilterValue::HueRotateFilterOperation: {
double angle = 0;
if (filterValue->length() == 1)
angle = firstValue->computeDegrees();
operations.operations().append(BasicColorMatrixFilterOperation::create(angle, operationType));
break;
}
case WebKitCSSFilterValue::InvertFilterOperation:
case WebKitCSSFilterValue::BrightnessFilterOperation:
case WebKitCSSFilterValue::ContrastFilterOperation:
case WebKitCSSFilterValue::OpacityFilterOperation: {
double amount = (filterValue->operationType() == WebKitCSSFilterValue::BrightnessFilterOperation) ? 0 : 1;
if (filterValue->length() == 1) {
amount = firstValue->getDoubleValue();
if (firstValue->isPercentage())
amount /= 100;
}
operations.operations().append(BasicComponentTransferFilterOperation::create(amount, operationType));
break;
}
case WebKitCSSFilterValue::BlurFilterOperation: {
Length stdDeviation = Length(0, Fixed);
if (filterValue->length() >= 1)
stdDeviation = convertToFloatLength(firstValue, state.cssToLengthConversionData());
if (stdDeviation.isUndefined())
return false;
operations.operations().append(BlurFilterOperation::create(stdDeviation));
break;
}
case WebKitCSSFilterValue::DropShadowFilterOperation: {
if (filterValue->length() != 1)
return false;
CSSValue* cssValue = filterValue->itemWithoutBoundsCheck(0);
if (!cssValue->isShadowValue())
continue;
CSSShadowValue* item = toCSSShadowValue(cssValue);
int x = item->x->computeLength<int>(state.cssToLengthConversionData());
int y = item->y->computeLength<int>(state.cssToLengthConversionData());
IntPoint location(x, y);
int blur = item->blur ? item->blur->computeLength<int>(state.cssToLengthConversionData()) : 0;
Color color;
if (item->color)
color = colorFromPrimitiveValue(item->color.get());
operations.operations().append(DropShadowFilterOperation::create(location, blur, color.isValid() ? color : Color::transparent));
break;
}
case WebKitCSSFilterValue::UnknownFilterOperation:
default:
ASSERT_NOT_REACHED();
break;
}
}
outOperations = operations;
return true;
}
#endif
PassRefPtr<StyleImage> StyleResolver::loadPendingImage(const StylePendingImage& pendingImage, const ResourceLoaderOptions& options)
{
if (auto imageValue = pendingImage.cssImageValue())
return imageValue->cachedImage(m_state.document().cachedResourceLoader(), options);
if (auto imageGeneratorValue = pendingImage.cssImageGeneratorValue()) {
imageGeneratorValue->loadSubimages(m_state.document().cachedResourceLoader());
return StyleGeneratedImage::create(*imageGeneratorValue);
}
if (auto cursorImageValue = pendingImage.cssCursorImageValue())
return cursorImageValue->cachedImage(m_state.document().cachedResourceLoader());
#if ENABLE(CSS_IMAGE_SET)
if (auto imageSetValue = pendingImage.cssImageSetValue())
return imageSetValue->cachedImageSet(m_state.document().cachedResourceLoader(), options);
#endif
return nullptr;
}
PassRefPtr<StyleImage> StyleResolver::loadPendingImage(const StylePendingImage& pendingImage)
{
return loadPendingImage(pendingImage, CachedResourceLoader::defaultCachedResourceOptions());
}
#if ENABLE(CSS_SHAPES)
void StyleResolver::loadPendingShapeImage(ShapeValue* shapeValue)
{
if (!shapeValue)
return;
StyleImage* image = shapeValue->image();
if (!image || !image->isPendingImage())
return;
auto& pendingImage = toStylePendingImage(*image);
ResourceLoaderOptions options = CachedResourceLoader::defaultCachedResourceOptions();
options.setRequestOriginPolicy(PotentiallyCrossOriginEnabled);
options.setAllowCredentials(DoNotAllowStoredCredentials);
shapeValue->setImage(loadPendingImage(pendingImage, options));
}
#endif
void StyleResolver::loadPendingImages()
{
if (m_state.pendingImageProperties().isEmpty())
return;
auto end = m_state.pendingImageProperties().end().keys();
for (auto it = m_state.pendingImageProperties().begin().keys(); it != end; ++it) {
CSSPropertyID currentProperty = *it;
switch (currentProperty) {
case CSSPropertyBackgroundImage: {
for (FillLayer* backgroundLayer = m_state.style()->accessBackgroundLayers(); backgroundLayer; backgroundLayer = backgroundLayer->next()) {
auto styleImage = backgroundLayer->image();
if (styleImage && styleImage->isPendingImage())
backgroundLayer->setImage(loadPendingImage(toStylePendingImage(*styleImage)));
}
break;
}
case CSSPropertyContent: {
for (ContentData* contentData = const_cast<ContentData*>(m_state.style()->contentData()); contentData; contentData = contentData->next()) {
if (contentData->isImage()) {
auto& styleImage = toImageContentData(contentData)->image();
if (styleImage.isPendingImage()) {
RefPtr<StyleImage> loadedImage = loadPendingImage(toStylePendingImage(styleImage));
if (loadedImage)
toImageContentData(contentData)->setImage(loadedImage.release());
}
}
}
break;
}
case CSSPropertyCursor: {
if (CursorList* cursorList = m_state.style()->cursors()) {
for (size_t i = 0; i < cursorList->size(); ++i) {
CursorData& currentCursor = cursorList->at(i);
auto styleImage = currentCursor.image();
if (styleImage && styleImage->isPendingImage())
currentCursor.setImage(loadPendingImage(toStylePendingImage(*styleImage)));
}
}
break;
}
case CSSPropertyListStyleImage: {
auto styleImage = m_state.style()->listStyleImage();
if (styleImage && styleImage->isPendingImage())
m_state.style()->setListStyleImage(loadPendingImage(toStylePendingImage(*styleImage)));
break;
}
case CSSPropertyBorderImageSource: {
auto styleImage = m_state.style()->borderImageSource();
if (styleImage && styleImage->isPendingImage())
m_state.style()->setBorderImageSource(loadPendingImage(toStylePendingImage(*styleImage)));
break;
}
case CSSPropertyWebkitBoxReflect: {
if (StyleReflection* reflection = m_state.style()->boxReflect()) {
const NinePieceImage& maskImage = reflection->mask();
auto styleImage = maskImage.image();
if (styleImage && styleImage->isPendingImage()) {
RefPtr<StyleImage> loadedImage = loadPendingImage(toStylePendingImage(*styleImage));
reflection->setMask(NinePieceImage(loadedImage.release(), maskImage.imageSlices(), maskImage.fill(), maskImage.borderSlices(), maskImage.outset(), maskImage.horizontalRule(), maskImage.verticalRule()));
}
}
break;
}
case CSSPropertyWebkitMaskBoxImageSource: {
auto styleImage = m_state.style()->maskBoxImageSource();
if (styleImage && styleImage->isPendingImage())
m_state.style()->setMaskBoxImageSource(loadPendingImage(toStylePendingImage(*styleImage)));
break;
}
case CSSPropertyWebkitMaskImage: {
for (FillLayer* maskLayer = m_state.style()->accessMaskLayers(); maskLayer; maskLayer = maskLayer->next()) {
auto styleImage = maskLayer->image();
if (styleImage && styleImage->isPendingImage())
maskLayer->setImage(loadPendingImage(toStylePendingImage(*styleImage)));
}
break;
}
#if ENABLE(CSS_SHAPES)
case CSSPropertyWebkitShapeOutside:
loadPendingShapeImage(m_state.style()->shapeOutside());
break;
#endif
default:
ASSERT_NOT_REACHED();
}
}
m_state.pendingImageProperties().clear();
}
#ifndef NDEBUG
static bool inLoadPendingResources = false;
#endif
void StyleResolver::loadPendingResources()
{
ASSERT(style());
if (!style())
return;
#ifndef NDEBUG
ASSERT(!inLoadPendingResources);
inLoadPendingResources = true;
#endif
loadPendingImages();
#if ENABLE(CSS_FILTERS)
loadPendingSVGDocuments();
#endif
#ifndef NDEBUG
inLoadPendingResources = false;
#endif
}
inline StyleResolver::MatchedProperties::MatchedProperties()
: possiblyPaddedMember(0)
{
}
StyleResolver::MatchedProperties::~MatchedProperties()
{
}
StyleResolver::CascadedProperties::CascadedProperties(TextDirection direction, WritingMode writingMode)
: m_direction(direction)
, m_writingMode(writingMode)
{
}
inline bool StyleResolver::CascadedProperties::hasProperty(CSSPropertyID id) const
{
ASSERT(id < m_propertyIsPresent.size());
return m_propertyIsPresent[id];
}
inline StyleResolver::CascadedProperties::Property& StyleResolver::CascadedProperties::property(CSSPropertyID id)
{
return m_properties[id];
}
void StyleResolver::CascadedProperties::setPropertyInternal(Property& property, CSSPropertyID id, CSSValue& cssValue, unsigned linkMatchType)
{
ASSERT(linkMatchType <= SelectorChecker::MatchAll);
property.id = id;
if (linkMatchType == SelectorChecker::MatchAll) {
property.cssValue[0] = &cssValue;
property.cssValue[SelectorChecker::MatchLink] = &cssValue;
property.cssValue[SelectorChecker::MatchVisited] = &cssValue;
} else
property.cssValue[linkMatchType] = &cssValue;
}
void StyleResolver::CascadedProperties::set(CSSPropertyID id, CSSValue& cssValue, unsigned linkMatchType)
{
if (CSSProperty::isDirectionAwareProperty(id))
id = CSSProperty::resolveDirectionAwareProperty(id, m_direction, m_writingMode);
ASSERT(!shouldApplyPropertyInParseOrder(id));
auto& property = m_properties[id];
ASSERT(id < m_propertyIsPresent.size());
if (!m_propertyIsPresent[id])
memset(property.cssValue, 0, sizeof(property.cssValue));
m_propertyIsPresent.set(id);
setPropertyInternal(property, id, cssValue, linkMatchType);
}
void StyleResolver::CascadedProperties::setDeferred(CSSPropertyID id, CSSValue& cssValue, unsigned linkMatchType)
{
ASSERT(!CSSProperty::isDirectionAwareProperty(id));
ASSERT(shouldApplyPropertyInParseOrder(id));
Property property;
memset(property.cssValue, 0, sizeof(property.cssValue));
setPropertyInternal(property, id, cssValue, linkMatchType);
m_deferredProperties.append(property);
}
bool StyleResolver::CascadedProperties::addStyleProperties(const StyleProperties& properties, StyleRule&, bool isImportant, bool inheritedOnly, PropertyWhitelistType propertyWhitelistType, unsigned linkMatchType)
{
for (unsigned i = 0, count = properties.propertyCount(); i < count; ++i) {
auto current = properties.propertyAt(i);
if (isImportant != current.isImportant())
continue;
if (inheritedOnly && !current.isInherited()) {
if (current.value()->isInheritedValue())
return false;
continue;
}
CSSPropertyID propertyID = current.id();
if (propertyWhitelistType == PropertyWhitelistRegion && !StyleResolver::isValidRegionStyleProperty(propertyID))
continue;
#if ENABLE(VIDEO_TRACK)
if (propertyWhitelistType == PropertyWhitelistCue && !StyleResolver::isValidCueStyleProperty(propertyID))
continue;
#endif
if (shouldApplyPropertyInParseOrder(propertyID))
setDeferred(propertyID, *current.value(), linkMatchType);
else
set(propertyID, *current.value(), linkMatchType);
}
return true;
}
bool StyleResolver::CascadedProperties::addMatches(const MatchResult& matchResult, bool important, int startIndex, int endIndex, bool inheritedOnly)
{
if (startIndex == -1)
return true;
for (int i = startIndex; i <= endIndex; ++i) {
const MatchedProperties& matchedProperties = matchResult.matchedProperties[i];
if (!addStyleProperties(*matchedProperties.properties, *matchResult.matchedRules[i], important, inheritedOnly, static_cast<PropertyWhitelistType>(matchedProperties.whitelistType), matchedProperties.linkMatchType))
return false;
}
return true;
}
void StyleResolver::CascadedProperties::applyDeferredProperties(StyleResolver& resolver)
{
for (auto& property : m_deferredProperties)
property.apply(resolver);
}
void StyleResolver::CascadedProperties::Property::apply(StyleResolver& resolver)
{
State& state = resolver.state();
if (id == CSSPropertyLineHeight) {
if (auto value = state.style()->insideLink() == NotInsideLink ? cssValue[0] : cssValue[SelectorChecker::MatchLink])
state.setLineHeightValue(value);
return;
}
if (cssValue[0]) {
state.setApplyPropertyToRegularStyle(true);
state.setApplyPropertyToVisitedLinkStyle(false);
resolver.applyProperty(id, cssValue[0]);
}
if (state.style()->insideLink() == NotInsideLink)
return;
if (cssValue[SelectorChecker::MatchLink]) {
state.setApplyPropertyToRegularStyle(true);
state.setApplyPropertyToVisitedLinkStyle(false);
resolver.applyProperty(id, cssValue[SelectorChecker::MatchLink]);
}
if (cssValue[SelectorChecker::MatchVisited]) {
state.setApplyPropertyToRegularStyle(false);
state.setApplyPropertyToVisitedLinkStyle(true);
resolver.applyProperty(id, cssValue[SelectorChecker::MatchVisited]);
}
state.setApplyPropertyToRegularStyle(true);
state.setApplyPropertyToVisitedLinkStyle(false);
}
void StyleResolver::applyCascadedProperties(CascadedProperties& cascade, int firstProperty, int lastProperty)
{
for (int id = firstProperty; id <= lastProperty; ++id) {
CSSPropertyID propertyID = static_cast<CSSPropertyID>(id);
if (!cascade.hasProperty(propertyID))
continue;
auto& property = cascade.property(propertyID);
ASSERT(!shouldApplyPropertyInParseOrder(propertyID));
property.apply(*this);
}
}
}