#include "config.h"
#include "StyleResolver.h"
#include "Attribute.h"
#include "CSSBorderImage.h"
#include "CSSCalculationValue.h"
#include "CSSCursorImageValue.h"
#include "CSSDefaultStyleSheets.h"
#include "CSSFontFaceRule.h"
#include "CSSFontSelector.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 "CSSStyleRule.h"
#include "CSSSupportsRule.h"
#include "CSSTimingFunctionValue.h"
#include "CSSValueList.h"
#if ENABLE(CSS_VARIABLES)
#include "CSSVariableValue.h"
#endif
#include "CachedImage.h"
#include "CalculationValue.h"
#include "ContentData.h"
#include "ContextFeatures.h"
#include "Counter.h"
#include "CounterContent.h"
#include "CursorList.h"
#include "DeprecatedStyleBuilder.h"
#include "DocumentStyleSheetCollection.h"
#include "ElementRuleCollector.h"
#include "ElementShadow.h"
#include "FontFeatureValue.h"
#include "FontValue.h"
#include "Frame.h"
#include "FrameSelection.h"
#include "FrameView.h"
#include "HTMLDocument.h"
#include "HTMLIFrameElement.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "HTMLOptionElement.h"
#include "HTMLProgressElement.h"
#include "HTMLStyleElement.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 "NodeRenderingContext.h"
#include "Page.h"
#include "PageRuleCollector.h"
#include "Pair.h"
#include "QuotesData.h"
#include "Rect.h"
#include "RenderRegion.h"
#include "RenderScrollbar.h"
#include "RenderScrollbarTheme.h"
#include "RenderStyleConstants.h"
#include "RenderTheme.h"
#include "RenderView.h"
#include "RuleSet.h"
#include "SVGDocumentExtensions.h"
#include "SVGFontFaceElement.h"
#include "SecurityOrigin.h"
#include "SelectorCheckerFastPath.h"
#include "Settings.h"
#include "ShadowData.h"
#include "ShadowRoot.h"
#include "ShadowValue.h"
#include "StyleCachedImage.h"
#include "StyleGeneratedImage.h"
#include "StylePendingImage.h"
#include "StylePropertySet.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 <wtf/StdLibExtras.h>
#include <wtf/Vector.h>
#if ENABLE(CSS_FILTERS)
#include "FilterOperation.h"
#include "WebKitCSSFilterValue.h"
#endif
#if ENABLE(DASHBOARD_SUPPORT)
#include "DashboardRegion.h"
#endif
#if ENABLE(SVG)
#include "CachedSVGDocument.h"
#include "CachedSVGDocumentReference.h"
#include "SVGDocument.h"
#include "SVGElement.h"
#include "SVGNames.h"
#include "SVGURIReference.h"
#include "WebKitCSSSVGDocumentValue.h"
#endif
#if ENABLE(CSS_SHADERS)
#include "CustomFilterArrayParameter.h"
#include "CustomFilterColorParameter.h"
#include "CustomFilterConstants.h"
#include "CustomFilterNumberParameter.h"
#include "CustomFilterOperation.h"
#include "CustomFilterParameter.h"
#include "CustomFilterProgramInfo.h"
#include "CustomFilterTransformParameter.h"
#include "StyleCachedShader.h"
#include "StyleCustomFilterProgram.h"
#include "StyleCustomFilterProgramCache.h"
#include "StylePendingShader.h"
#include "StyleShader.h"
#include "WebKitCSSMixFunctionValue.h"
#include "WebKitCSSShaderValue.h"
#endif
#if ENABLE(CSS_IMAGE_SET)
#include "CSSImageSetValue.h"
#include "StyleCachedImageSet.h"
#endif
#if ENABLE(VIDEO_TRACK)
#include "WebVTTElement.h"
#endif
using namespace std;
namespace WebCore {
using namespace HTMLNames;
#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 = 0;
m_styledElement = 0;
m_parentStyle = 0;
m_parentNode = 0;
m_regionForStyling = 0;
m_pendingImageProperties.clear();
#if ENABLE(CSS_SHADERS)
m_hasPendingShaders = false;
#endif
#if ENABLE(CSS_FILTERS) && ENABLE(SVG)
m_pendingSVGDocuments.clear();
#endif
}
void StyleResolver::MatchResult::addMatchedProperties(const StylePropertySet* properties, StyleRule* rule, unsigned linkMatchType, PropertyWhitelistType propertyWhitelistType)
{
matchedProperties.grow(matchedProperties.size() + 1);
StyleResolver::MatchedProperties& newProperties = matchedProperties.last();
newProperties.properties = const_cast<StylePropertySet*>(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(document))
#if ENABLE(CSS_DEVICE_ADAPTATION)
, m_viewportStyleResolver(ViewportStyleResolver::create(document))
#endif
, m_deprecatedStyleBuilder(DeprecatedStyleBuilder::sharedStyleBuilder())
, m_styleMap(this)
{
Element* root = document->documentElement();
CSSDefaultStyleSheets::initDefaultStyle(root);
FrameView* view = document->view();
if (view)
m_medium = adoptPtr(new MediaQueryEvaluator(view->mediaType()));
else
m_medium = adoptPtr(new MediaQueryEvaluator("all"));
if (root)
m_rootDefaultStyle = styleForElement(root, 0, DisallowStyleSharing, MatchOnlyUserAgentRules);
if (m_rootDefaultStyle && view)
m_medium = adoptPtr(new MediaQueryEvaluator(view->mediaType(), view->frame(), m_rootDefaultStyle.get()));
m_ruleSets.resetAuthorStyle();
DocumentStyleSheetCollection* styleSheetCollection = document->styleSheetCollection();
m_ruleSets.initUserStyle(styleSheetCollection, *m_medium, *this);
#if ENABLE(SVG_FONTS)
if (document->svgExtensions()) {
const HashSet<SVGFontFaceElement*>& svgFontFaceElements = 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, document()->isViewSource(), this);
if (document()->renderer() && document()->renderer()->style())
document()->renderer()->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);
if (m_scopeResolver)
m_scopeResolver->push(parent, parent->parentOrShadowHostNode());
}
void StyleResolver::popParentElement(Element* parent)
{
if (m_selectorFilter.parentStackIsConsistent(parent))
m_selectorFilter.popParent();
if (m_scopeResolver)
m_scopeResolver->pop(parent);
}
void StyleResolver::pushParentShadowRoot(const ShadowRoot* shadowRoot)
{
ASSERT(shadowRoot->host());
if (m_scopeResolver)
m_scopeResolver->push(shadowRoot, shadowRoot->host());
}
void StyleResolver::popParentShadowRoot(const ShadowRoot* shadowRoot)
{
ASSERT(shadowRoot->host());
if (m_scopeResolver)
m_scopeResolver->pop(shadowRoot);
}
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;
}
inline bool StyleResolver::styleSharingCandidateMatchesHostRules()
{
#if ENABLE(SHADOW_DOM)
return m_scopeResolver && m_scopeResolver->styleSharingCandidateMatchesHostRules(m_state.element());
#else
return false;
#endif
}
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::initElement(Element* e)
{
m_element = e;
m_styledElement = e && e->isStyledElement() ? static_cast<StyledElement*>(e) : 0;
m_elementLinkState = e ? e->document()->visitedLinkState()->determineLinkState(e) : NotInsideLink;
}
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) {
NodeRenderingContext context(e);
m_parentNode = context.parentNodeForRenderingAndStyle();
m_parentStyle = context.resetStyleInheritance() ? 0 :
parentStyle ? parentStyle :
m_parentNode ? m_parentNode->renderStyle() : 0;
m_distributedToInsertionPoint = context.insertionPoint();
} else {
m_parentNode = 0;
m_parentStyle = parentStyle;
m_distributedToInsertionPoint = false;
}
Node* docElement = e ? e->document()->documentElement() : 0;
RenderStyle* docStyle = document->renderStyle();
m_rootElementStyle = docElement && e != docElement ? docElement->renderStyle() : docStyle;
m_style = 0;
m_pendingImageProperties.clear();
m_fontDirty = false;
}
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;
if (parent->hasScopedHTMLStyleChild())
return 0;
StyledElement* p = static_cast<StyledElement*>(parent);
if (p->inlineStyle())
return 0;
#if ENABLE(SVG)
if (p->isSVGElement() && toSVGElement(p)->animatedSMILStyleProperties())
return 0;
#endif
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))
#if ENABLE(SHADOW_DOM)
&& !toElement(currentNode)->shadow()
#endif
) {
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(this, m_state);
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 ENABLE(SVG)
if (state.element()->isSVGElement()) {
if (state.element()->getAttribute(classAttr) != sharingCandidate->getAttribute(classAttr))
return false;
} else {
#endif
if (state.element()->classNames() != sharingCandidate->classNames())
return false;
#if ENABLE(SVG)
}
#endif
} else
return false;
if (state.styledElement()->presentationAttributeStyle() != sharingCandidate->presentationAttributeStyle())
return false;
#if ENABLE(PROGRESS_ELEMENT)
if (state.element()->hasTagName(progressTag)) {
if (state.element()->shouldAppearIndeterminate() != sharingCandidate->shouldAppearIndeterminate())
return false;
}
#endif
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 ENABLE(SVG)
if (element->isSVGElement() && toSVGElement(element)->animatedSMILStyleProperties())
return false;
#endif
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 (element->hasScopedHTMLStyleChild())
return false;
if (element->hasTagName(optionTag) || element->hasTagName(optgroupTag))
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 USE(ACCELERATED_COMPOSITING)
if (element->hasTagName(iframeTag) || element->hasTagName(frameTag) || element->hasTagName(embedTag) || element->hasTagName(objectTag) || element->hasTagName(appletTag) || element->hasTagName(canvasTag)
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
|| element->hasTagName(videoTag) || element->hasTagName(audioTag)
#endif
)
return false;
#endif
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(static_cast<StyledElement*>(node)))
break;
if (count++ == cStyleSearchThreshold)
return 0;
}
return static_cast<StyledElement*>(node);
}
RenderStyle* StyleResolver::locateSharedStyle()
{
State& state = m_state;
if (!state.styledElement() || !state.parentStyle())
return 0;
if (state.styledElement()->inlineStyle())
return 0;
#if ENABLE(SVG)
if (state.styledElement()->isSVGElement() && toSVGElement(state.styledElement())->animatedSMILStyleProperties())
return 0;
#endif
if (state.styledElement()->hasID() && m_ruleSets.features().idsInRules.contains(state.styledElement()->idForStyleResolution().impl()))
return 0;
if (parentElementPreventsSharing(state.element()->parentElement()))
return 0;
if (state.styledElement()->hasScopedHTMLStyleChild())
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 (styleSharingCandidateMatchesHostRules())
return 0;
if (parentElementPreventsSharing(state.element()->parentElement()))
return 0;
return shareElement->renderStyle();
}
static void setStylesForPaginationMode(Pagination::Mode paginationMode, RenderStyle* style)
{
if (paginationMode == Pagination::Unpaginated)
return;
switch (paginationMode) {
case Pagination::LeftToRightPaginated:
style->setColumnAxis(HorizontalColumnAxis);
if (style->isHorizontalWritingMode())
style->setColumnProgression(style->isLeftToRightDirection() ? NormalColumnProgression : ReverseColumnProgression);
else
style->setColumnProgression(style->isFlippedBlocksWritingMode() ? ReverseColumnProgression : NormalColumnProgression);
break;
case Pagination::RightToLeftPaginated:
style->setColumnAxis(HorizontalColumnAxis);
if (style->isHorizontalWritingMode())
style->setColumnProgression(style->isLeftToRightDirection() ? ReverseColumnProgression : NormalColumnProgression);
else
style->setColumnProgression(style->isFlippedBlocksWritingMode() ? NormalColumnProgression : ReverseColumnProgression);
break;
case Pagination::TopToBottomPaginated:
style->setColumnAxis(VerticalColumnAxis);
if (style->isHorizontalWritingMode())
style->setColumnProgression(style->isFlippedBlocksWritingMode() ? ReverseColumnProgression : NormalColumnProgression);
else
style->setColumnProgression(style->isLeftToRightDirection() ? NormalColumnProgression : ReverseColumnProgression);
break;
case Pagination::BottomToTopPaginated:
style->setColumnAxis(VerticalColumnAxis);
if (style->isHorizontalWritingMode())
style->setColumnProgression(style->isFlippedBlocksWritingMode() ? NormalColumnProgression : ReverseColumnProgression);
else
style->setColumnProgression(style->isLeftToRightDirection() ? ReverseColumnProgression : NormalColumnProgression);
break;
case Pagination::Unpaginated:
ASSERT_NOT_REACHED();
break;
}
}
static void getFontAndGlyphOrientation(const RenderStyle* style, FontOrientation& fontOrientation, NonCJKGlyphOrientation& glyphOrientation)
{
if (style->isHorizontalWritingMode()) {
fontOrientation = Horizontal;
glyphOrientation = NonCJKGlyphOrientationVerticalRight;
return;
}
switch (style->textOrientation()) {
case TextOrientationVerticalRight:
fontOrientation = Vertical;
glyphOrientation = NonCJKGlyphOrientationVerticalRight;
return;
case TextOrientationUpright:
fontOrientation = Vertical;
glyphOrientation = NonCJKGlyphOrientationUpright;
return;
case TextOrientationSideways:
if (style->writingMode() == LeftToRightWritingMode) {
fontOrientation = Vertical;
glyphOrientation = NonCJKGlyphOrientationVerticalRight;
return;
}
fontOrientation = Horizontal;
glyphOrientation = NonCJKGlyphOrientationVerticalRight;
return;
case TextOrientationSidewaysRight:
fontOrientation = Horizontal;
glyphOrientation = NonCJKGlyphOrientationVerticalRight;
return;
default:
ASSERT_NOT_REACHED();
fontOrientation = Horizontal;
glyphOrientation = NonCJKGlyphOrientationVerticalRight;
return;
}
}
PassRefPtr<RenderStyle> StyleResolver::styleForDocument(Document* document, CSSFontSelector* fontSelector)
{
Frame* frame = document->frame();
RefPtr<RenderStyle> documentStyle = RenderStyle::create();
bool seamlessWithParent = document->shouldDisplaySeamlesslyWithParent();
if (seamlessWithParent) {
RenderStyle* iframeStyle = document->seamlessParentIFrame()->renderStyle();
if (iframeStyle)
documentStyle->inheritFrom(iframeStyle);
}
documentStyle->setDisplay(BLOCK);
if (!seamlessWithParent) {
documentStyle->setRTLOrdering(document->visuallyOrdered() ? VisualOrder : LogicalOrder);
documentStyle->setZoom(frame && !document->printing() ? frame->pageZoomFactor() : 1);
documentStyle->setPageScaleTransform(frame ? frame->frameScaleFactor() : 1);
documentStyle->setLocale(document->contentLanguage());
}
documentStyle->setUserModify(document->inDesignMode() ? READ_WRITE : READ_ONLY);
#if PLATFORM(IOS)
if (document->inDesignMode())
documentStyle->setTextSizeAdjust(TextSizeAdjustment(NoTextSizeAdjustment));
#endif
Element* docElement = document->documentElement();
RenderObject* docElementRenderer = docElement ? docElement->renderer() : 0;
if (docElementRenderer) {
RenderObject* bodyRenderer = document->body() ? document->body()->renderer() : 0;
if (bodyRenderer && !document->writingModeSetOnDocumentElement())
documentStyle->setWritingMode(bodyRenderer->style()->writingMode());
else
documentStyle->setWritingMode(docElementRenderer->style()->writingMode());
if (bodyRenderer && !document->directionSetOnDocumentElement())
documentStyle->setDirection(bodyRenderer->style()->direction());
else
documentStyle->setDirection(docElementRenderer->style()->direction());
}
if (frame) {
if (FrameView* frameView = frame->view()) {
const Pagination& pagination = frameView->pagination();
if (pagination.mode != Pagination::Unpaginated) {
setStylesForPaginationMode(pagination.mode, documentStyle.get());
documentStyle->setColumnGap(pagination.gap);
if (RenderView* view = document->renderView()) {
if (view->hasColumns())
view->updateColumnInfoFromStyle(documentStyle.get());
}
}
}
}
if (seamlessWithParent)
return documentStyle.release();
FontDescription fontDescription;
fontDescription.setScript(localeToScriptCodeForFontSelection(documentStyle->locale()));
if (Settings* settings = document->settings()) {
fontDescription.setUsePrinterFont(document->printing() || !settings->screenFontSubstitutionEnabled());
fontDescription.setRenderingMode(settings->fontRenderingMode());
const AtomicString& standardFont = settings->standardFontFamily(fontDescription.script());
if (!standardFont.isEmpty()) {
fontDescription.setGenericFamily(FontDescription::StandardFamily);
fontDescription.setOneFamily(standardFont);
}
fontDescription.setKeywordSize(CSSValueMedium - CSSValueXxSmall + 1);
int size = StyleResolver::fontSizeForKeyword(document, CSSValueMedium, false);
fontDescription.setSpecifiedSize(size);
bool useSVGZoomRules = document->isSVGDocument();
fontDescription.setComputedSize(StyleResolver::getComputedSizeFromSpecifiedSize(document, documentStyle.get(), fontDescription.isAbsoluteSize(), size, useSVGZoomRules));
} else
fontDescription.setUsePrinterFont(document->printing());
FontOrientation fontOrientation;
NonCJKGlyphOrientation glyphOrientation;
getFontAndGlyphOrientation(documentStyle.get(), fontOrientation, glyphOrientation);
fontDescription.setOrientation(fontOrientation);
fontDescription.setNonCJKGlyphOrientation(glyphOrientation);
documentStyle->setFontDescription(fontDescription);
documentStyle->font().update(fontSelector);
return documentStyle.release();
}
static inline bool isAtShadowBoundary(const Element* element)
{
if (!element)
return false;
ContainerNode* parentNode = element->parentNode();
return parentNode && parentNode->isShadowRoot();
}
PassRefPtr<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 && !state.distributedToInsertionPoint()) {
RenderStyle* sharedStyle = locateSharedStyle();
if (sharedStyle) {
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 (state.distributedToInsertionPoint()) {
if (Element* parent = element->parentElement()) {
if (RenderStyle* styleOfShadowHost = parent->renderStyle())
state.style()->setUserModify(styleOfShadowHost->userModify());
}
}
if (element->isLink()) {
state.style()->setIsLink(true);
EInsideLink linkState = state.elementLinkState();
if (linkState != NotInsideLink) {
bool forceVisited = InspectorInstrumentation::forcePseudoState(element, CSSSelector::PseudoVisited);
if (forceVisited)
linkState = InsideVisitedLink;
}
state.style()->setInsideLink(linkState);
}
bool needsCollection = false;
CSSDefaultStyleSheets::ensureDefaultStyleSheetsForElement(element, needsCollection);
if (needsCollection)
m_ruleSets.collectFeatures(document()->isViewSource(), m_scopeResolver.get());
ElementRuleCollector collector(this, state);
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);
state.clear();
document()->didAccessStyleResolver();
return state.takeStyle();
}
PassRefPtr<RenderStyle> StyleResolver::styleForKeyframe(const RenderStyle* elementStyle, const StyleKeyframe* keyframe, KeyframeValue& keyframeValue)
{
MatchResult result;
if (keyframe->properties())
result.addMatchedProperties(keyframe->properties());
ASSERT(!m_state.style());
State& state = m_state;
state.setStyle(RenderStyle::clone(elementStyle));
state.setLineHeightValue(0);
bool inheritedOnly = false;
if (keyframe->properties())
applyMatchedProperties<HighPriorityProperties>(result, false, 0, result.matchedProperties.size() - 1, inheritedOnly);
updateFont();
if (state.lineHeightValue())
applyProperty(CSSPropertyLineHeight, state.lineHeightValue());
if (keyframe->properties())
applyMatchedProperties<LowPriorityProperties>(result, false, 0, result.matchedProperties.size() - 1, inheritedOnly);
updateFont();
loadPendingResources();
if (const StylePropertySet* styleDeclaration = keyframe->properties()) {
unsigned propertyCount = styleDeclaration->propertyCount();
for (unsigned i = 0; i < propertyCount; ++i) {
CSSPropertyID property = styleDeclaration->propertyAt(i).id();
if (property != CSSPropertyWebkitAnimationTimingFunction)
keyframeValue.addProperty(property);
}
}
document()->didAccessStyleResolver();
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);
const StyleKeyframe* keyframe = keyframes[i].get();
KeyframeValue keyframeValue(0, 0);
keyframeValue.setStyle(styleForKeyframe(elementStyle, keyframe, keyframeValue));
Vector<float> 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().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().leakRef();
hundredPercentKeyframe->setKeyText("100%");
}
KeyframeValue keyframeValue(1, 0);
keyframeValue.setStyle(styleForKeyframe(elementStyle, hundredPercentKeyframe, keyframeValue));
list.insert(keyframeValue);
}
}
PassRefPtr<RenderStyle> StyleResolver::pseudoStyleForElement(Element* e, const PseudoStyleRequest& pseudoStyleRequest, RenderStyle* parentStyle)
{
ASSERT(parentStyle);
if (!e)
return 0;
State& state = m_state;
initElement(e);
state.initForStyleResolve(document(), e, 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(this, state);
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(), e);
adjustRenderStyle(state.style(), m_state.parentStyle(), 0);
loadPendingResources();
document()->didAccessStyleResolver();
return state.takeStyle();
}
PassRefPtr<RenderStyle> StyleResolver::styleForPage(int pageIndex)
{
m_state.initForStyleResolve(document(), document()->documentElement());
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);
bool inheritedOnly = false;
MatchResult& result = collector.matchedResult();
#if ENABLE(CSS_VARIABLES)
applyMatchedProperties<VariableDefinitions>(result, false, 0, result.matchedProperties.size() - 1, inheritedOnly);
#endif
applyMatchedProperties<HighPriorityProperties>(result, false, 0, result.matchedProperties.size() - 1, inheritedOnly);
updateFont();
if (m_state.lineHeightValue())
applyProperty(CSSPropertyLineHeight, m_state.lineHeightValue());
applyMatchedProperties<LowPriorityProperties>(result, false, 0, result.matchedProperties.size() - 1, inheritedOnly);
loadPendingResources();
document()->didAccessStyleResolver();
return m_state.takeStyle();
}
PassRefPtr<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();
}
PassRefPtr<RenderStyle> StyleResolver::styleForText(Text* textNode)
{
ASSERT(textNode);
NodeRenderingContext context(textNode);
Node* parentNode = context.parentNodeForRenderingAndStyle();
return context.resetStyleInheritance() || !parentNode || !parentNode->renderStyle() ?
defaultStyleForElement() : parentNode->renderStyle();
}
static void addIntrinsicMargins(RenderStyle* style)
{
const int intrinsicMargin = 2 * style->effectiveZoom();
if (style->width().isIntrinsicOrAuto()) {
if (style->marginLeft().quirk())
style->setMarginLeft(Length(intrinsicMargin, Fixed));
if (style->marginRight().quirk())
style->setMarginRight(Length(intrinsicMargin, Fixed));
}
if (style->height().isAuto()) {
if (style->marginTop().quirk())
style->setMarginTop(Length(intrinsicMargin, Fixed));
if (style->marginBottom().quirk())
style->setMarginBottom(Length(intrinsicMargin, Fixed));
}
}
static EDisplay equivalentBlockDisplay(EDisplay display, bool isFloating, bool strictParsing)
{
switch (display) {
case BLOCK:
case TABLE:
case BOX:
case FLEX:
case GRID:
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;
case INLINE_GRID:
return GRID;
case INLINE:
case RUN_IN:
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(RenderStyle* style, Element* e)
{
return style->display() == TABLE || style->display() == INLINE_TABLE || style->display() == RUN_IN
|| 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;
}
#if PLATFORM(IOS) || ENABLE(ACCELERATED_OVERFLOW_SCROLLING)
static bool isScrollableOverflow(EOverflow overflow)
{
return overflow == OSCROLL || overflow == OAUTO || overflow == OOVERLAY;
}
#endif
void StyleResolver::adjustRenderStyle(RenderStyle* style, RenderStyle* parentStyle, Element *e)
{
ASSERT(parentStyle);
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 (e->hasTagName(tableTag))
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 && e->hasTagName(tableTag) && (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->hasInFlowPosition())
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 (isDisplayFlexibleBox(parentStyle->display())) {
style->setFloating(NoFloat);
style->setDisplay(equivalentBlockDisplay(style->display(), style->isFloating(), !document()->inQuirksMode()));
}
#if ENABLE(DIALOG_ELEMENT)
if (e && e->isInTopLayer() && (style->position() == StaticPosition || style->position() == RelativePosition)) {
style->setPosition(AbsolutePosition);
style->setDisplay(BLOCK);
}
#endif
}
if (style->position() == StaticPosition && !isDisplayFlexibleBox(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->position() == StickyPosition
#if PLATFORM(IOS)
|| style->position() == FixedPosition
#else
|| (style->position() == FixedPosition && e && e->document()->page() && e->document()->page()->settings()->fixedPositionCreatesStackingContext())
#endif
#if ENABLE(DIALOG_ELEMENT)
|| (e && e->isInTopLayer())
#endif
))
style->setZIndex(0);
if (e && e->hasTagName(textareaTag)) {
style->setOverflowX(style->overflowX() == OVISIBLE ? OAUTO : style->overflowX());
style->setOverflowY(style->overflowY() == OVISIBLE ? OAUTO : style->overflowY());
}
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))))
setStylesForPaginationMode(WebCore::paginationModeForRenderStyle(style), 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 PLATFORM(IOS) || 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 (!e->hasTagName(inputTag) || !static_cast<HTMLInputElement*>(e)->isImageButton())
addIntrinsicMargins(style);
}
if (style->hasAppearance())
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->setTransformStyle3D(TransformStyle3DFlat);
if (e && e->hasTagName(iframeTag) && style->display() == INLINE && static_cast<HTMLIFrameElement*>(e)->shouldDisplaySeamlessly())
style->setDisplay(INLINE_BLOCK);
#if ENABLE(SVG)
if (e && e->isSVGElement()) {
if (style->overflowY() == OSCROLL)
style->setOverflowY(OHIDDEN);
else if (style->overflowY() == OAUTO)
style->setOverflowY(OVISIBLE);
if (style->overflowX() == OSCROLL)
style->setOverflowX(OHIDDEN);
else if (style->overflowX() == OAUTO)
style->setOverflowX(OVISIBLE);
if (!(e->hasTagName(SVGNames::svgTag) && e->parentNode() && !e->parentNode()->isSVGElement()))
style->setPosition(RenderStyle::initialPosition());
if (e->hasTagName(SVGNames::foreignObjectTag))
style->setEffectiveZoom(RenderStyle::initialZoom());
}
#endif
}
bool StyleResolver::checkRegionStyle(Element* regionElement)
{
unsigned rulesSize = m_ruleSets.authorStyle()->m_regionSelectorsAndRuleSets.size();
for (unsigned i = 0; i < rulesSize; ++i) {
ASSERT(m_ruleSets.authorStyle()->m_regionSelectorsAndRuleSets.at(i).ruleSet.get());
if (checkRegionSelector(m_ruleSets.authorStyle()->m_regionSelectorsAndRuleSets.at(i).selector, regionElement))
return true;
}
if (m_ruleSets.userStyle()) {
rulesSize = m_ruleSets.userStyle()->m_regionSelectorsAndRuleSets.size();
for (unsigned i = 0; i < rulesSize; ++i) {
ASSERT(m_ruleSets.userStyle()->m_regionSelectorsAndRuleSets.at(i).ruleSet.get());
if (checkRegionSelector(m_ruleSets.userStyle()->m_regionSelectorsAndRuleSets.at(i).selector, regionElement))
return true;
}
}
return false;
}
static void checkForOrientationChange(RenderStyle* style)
{
FontOrientation fontOrientation;
NonCJKGlyphOrientation glyphOrientation;
getFontAndGlyphOrientation(style, 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;
#if ENABLE(IOS_TEXT_AUTOSIZING)
checkForTextSizeAdjust();
#endif
RenderStyle* style = m_state.style();
checkForGenericFamilyChange(style, m_state.parentStyle());
checkForZoomChange(style, m_state.parentStyle());
checkForOrientationChange(style);
style->font().update(m_fontSelector);
m_state.setFontDirty(false);
}
Vector<RefPtr<StyleRuleBase> > StyleResolver::styleRulesForElement(Element* e, unsigned rulesToInclude)
{
return pseudoStyleRulesForElement(e, NOPSEUDO, rulesToInclude);
}
Vector<RefPtr<StyleRuleBase> > StyleResolver::pseudoStyleRulesForElement(Element* e, PseudoId pseudoId, unsigned rulesToInclude)
{
if (!e || !e->document()->haveStylesheetsLoaded())
return Vector<RefPtr<StyleRuleBase> >();
initElement(e);
m_state.initForStyleResolve(document(), e, 0);
ElementRuleCollector collector(this, m_state);
collector.setMode(SelectorChecker::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 RenderStyle* style, const RenderStyle* rootStyle, double multiplier)
{
return primitiveValue ? primitiveValue->convertToLength<FixedIntegerConversion | PercentConversion | CalculatedConversion | FractionConversion | ViewportPercentageConversion>(style, rootStyle, multiplier) : Length(Undefined);
}
Length StyleResolver::convertToFloatLength(const CSSPrimitiveValue* primitiveValue, const RenderStyle* style, const RenderStyle* rootStyle, double multiplier)
{
return primitiveValue ? primitiveValue->convertToLength<FixedFloatConversion | PercentConversion | CalculatedConversion | FractionConversion | ViewportPercentageConversion>(style, rootStyle, multiplier) : Length(Undefined);
}
template <StyleResolver::StyleApplicationPass pass>
void StyleResolver::applyProperties(const StylePropertySet* properties, StyleRule* rule, bool isImportant, bool inheritedOnly, PropertyWhitelistType propertyWhitelistType)
{
ASSERT((propertyWhitelistType != PropertyWhitelistRegion) || m_state.regionForStyling());
InspectorInstrumentationCookie cookie = InspectorInstrumentation::willProcessRule(document(), rule, this);
unsigned propertyCount = properties->propertyCount();
for (unsigned i = 0; i < propertyCount; ++i) {
StylePropertySet::PropertyReference current = properties->propertyAt(i);
if (isImportant != current.isImportant())
continue;
if (inheritedOnly && !current.isInherited()) {
ASSERT(!current.value()->isInheritedValue());
continue;
}
CSSPropertyID property = current.id();
if (propertyWhitelistType == PropertyWhitelistRegion && !StyleResolver::isValidRegionStyleProperty(property))
continue;
#if ENABLE(VIDEO_TRACK)
if (propertyWhitelistType == PropertyWhitelistCue && !StyleResolver::isValidCueStyleProperty(property))
continue;
#endif
switch (pass) {
#if ENABLE(CSS_VARIABLES)
case VariableDefinitions:
COMPILE_ASSERT(CSSPropertyVariable < firstCSSProperty, CSS_variable_is_before_first_property);
if (property == CSSPropertyVariable)
applyProperty(current.id(), current.value());
break;
#endif
case HighPriorityProperties:
COMPILE_ASSERT(firstCSSProperty == CSSPropertyColor, CSS_color_is_first_property);
#if ENABLE(IOS_TEXT_AUTOSIZING)
COMPILE_ASSERT(CSSPropertyZoom == CSSPropertyColor + 18, CSS_zoom_is_end_of_first_prop_range);
#else
COMPILE_ASSERT(CSSPropertyZoom == CSSPropertyColor + 17, CSS_zoom_is_end_of_first_prop_range);
#endif
COMPILE_ASSERT(CSSPropertyLineHeight == CSSPropertyZoom + 1, CSS_line_height_is_after_zoom);
#if ENABLE(CSS_VARIABLES)
if (property == CSSPropertyVariable)
continue;
#endif
if (property < CSSPropertyLineHeight)
applyProperty(current.id(), current.value());
else if (property == CSSPropertyLineHeight)
m_state.setLineHeightValue(current.value());
break;
case LowPriorityProperties:
if (property > CSSPropertyLineHeight)
applyProperty(current.id(), current.value());
}
}
InspectorInstrumentation::didProcessRule(cookie);
}
template <StyleResolver::StyleApplicationPass pass>
void StyleResolver::applyMatchedProperties(const MatchResult& matchResult, bool isImportant, int startIndex, int endIndex, bool inheritedOnly)
{
if (startIndex == -1)
return;
State& state = m_state;
if (state.style()->insideLink() != NotInsideLink) {
for (int i = startIndex; i <= endIndex; ++i) {
const MatchedProperties& matchedProperties = matchResult.matchedProperties[i];
unsigned linkMatchType = matchedProperties.linkMatchType;
state.setApplyPropertyToRegularStyle(linkMatchType & SelectorChecker::MatchLink);
state.setApplyPropertyToVisitedLinkStyle(linkMatchType & SelectorChecker::MatchVisited);
applyProperties<pass>(matchedProperties.properties.get(), matchResult.matchedRules[i], isImportant, inheritedOnly, static_cast<PropertyWhitelistType>(matchedProperties.whitelistType));
}
state.setApplyPropertyToRegularStyle(true);
state.setApplyPropertyToVisitedLinkStyle(false);
return;
}
for (int i = startIndex; i <= endIndex; ++i) {
const MatchedProperties& matchedProperties = matchResult.matchedProperties[i];
applyProperties<pass>(matchedProperties.properties.get(), matchResult.matchedRules[i], isImportant, inheritedOnly, static_cast<PropertyWhitelistType>(matchedProperties.whitelistType));
}
}
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, cacheItem);
}
void StyleResolver::invalidateMatchedPropertiesCache()
{
m_matchedPropertiesCache.clear();
}
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 StyleResolver::applyMatchedProperties(const MatchResult& matchResult, const Element* element)
{
ASSERT(element);
State& state = m_state;
unsigned cacheHash = matchResult.isCacheable ? computeMatchedPropertiesHash(matchResult.matchedProperties.data(), matchResult.matchedProperties.size()) : 0;
bool applyInheritedOnly = false;
const MatchedPropertiesCacheItem* cacheItem = 0;
if (cacheHash && (cacheItem = findFromMatchedPropertiesCache(cacheHash, matchResult))) {
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;
}
#if ENABLE(CSS_VARIABLES)
applyMatchedProperties<VariableDefinitions>(matchResult, false, 0, matchResult.matchedProperties.size() - 1, applyInheritedOnly);
applyMatchedProperties<VariableDefinitions>(matchResult, true, matchResult.ranges.firstAuthorRule, matchResult.ranges.lastAuthorRule, applyInheritedOnly);
applyMatchedProperties<VariableDefinitions>(matchResult, true, matchResult.ranges.firstUserRule, matchResult.ranges.lastUserRule, applyInheritedOnly);
applyMatchedProperties<VariableDefinitions>(matchResult, true, matchResult.ranges.firstUARule, matchResult.ranges.lastUARule, applyInheritedOnly);
#endif
state.setLineHeightValue(0);
applyMatchedProperties<HighPriorityProperties>(matchResult, false, 0, matchResult.matchedProperties.size() - 1, applyInheritedOnly);
applyMatchedProperties<HighPriorityProperties>(matchResult, true, matchResult.ranges.firstAuthorRule, matchResult.ranges.lastAuthorRule, applyInheritedOnly);
applyMatchedProperties<HighPriorityProperties>(matchResult, true, matchResult.ranges.firstUserRule, matchResult.ranges.lastUserRule, applyInheritedOnly);
applyMatchedProperties<HighPriorityProperties>(matchResult, true, matchResult.ranges.firstUARule, matchResult.ranges.lastUARule, applyInheritedOnly);
if (cacheItem && cacheItem->renderStyle->effectiveZoom() != state.style()->effectiveZoom()) {
state.setFontDirty(true);
applyInheritedOnly = false;
}
updateFont();
if (state.lineHeightValue())
applyProperty(CSSPropertyLineHeight, state.lineHeightValue());
if (cacheItem && cacheItem->renderStyle->fontDescription() != state.style()->fontDescription())
applyInheritedOnly = false;
applyMatchedProperties<LowPriorityProperties>(matchResult, false, matchResult.ranges.firstUARule, matchResult.ranges.lastUARule, applyInheritedOnly);
state.cacheBorderAndBackground();
applyMatchedProperties<LowPriorityProperties>(matchResult, false, matchResult.ranges.lastUARule + 1, matchResult.matchedProperties.size() - 1, applyInheritedOnly);
applyMatchedProperties<LowPriorityProperties>(matchResult, true, matchResult.ranges.firstAuthorRule, matchResult.ranges.lastAuthorRule, applyInheritedOnly);
applyMatchedProperties<LowPriorityProperties>(matchResult, true, matchResult.ranges.firstUserRule, matchResult.ranges.lastUserRule, applyInheritedOnly);
applyMatchedProperties<LowPriorityProperties>(matchResult, true, matchResult.ranges.firstUARule, matchResult.ranges.lastUARule, applyInheritedOnly);
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(), 0, 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:
#if ENABLE(CSS3_TEXT)
case CSSPropertyWebkitTextDecorationColor:
#endif // CSS3_TEXT
case CSSPropertyWebkitTextEmphasisColor:
case CSSPropertyWebkitTextFillColor:
case CSSPropertyWebkitTextStrokeColor:
#if ENABLE(SVG)
case CSSPropertyFill:
case CSSPropertyStroke:
#endif
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();
}
static bool createGridTrackBreadth(CSSPrimitiveValue* primitiveValue, const StyleResolver::State& state, Length& workingLength)
{
if (primitiveValue->getIdent() == CSSValueWebkitMinContent) {
workingLength = Length(MinContent);
return true;
}
if (primitiveValue->getIdent() == CSSValueWebkitMaxContent) {
workingLength = Length(MaxContent);
return true;
}
workingLength = primitiveValue->convertToLength<FixedIntegerConversion | PercentConversion | ViewportPercentageConversion | AutoConversion>(state.style(), state.rootElementStyle(), state.style()->effectiveZoom());
if (workingLength.isUndefined())
return false;
if (primitiveValue->isLength())
workingLength.setQuirk(primitiveValue->isQuirkValue());
return true;
}
static bool createGridTrackSize(CSSValue* value, GridTrackSize& trackSize, const StyleResolver::State& state)
{
if (!value->isPrimitiveValue())
return false;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
Pair* minMaxTrackBreadth = primitiveValue->getPairValue();
if (!minMaxTrackBreadth) {
Length workingLength;
if (!createGridTrackBreadth(primitiveValue, state, workingLength))
return false;
trackSize.setLength(workingLength);
return true;
}
Length minTrackBreadth;
Length maxTrackBreadth;
if (!createGridTrackBreadth(minMaxTrackBreadth->first(), state, minTrackBreadth) || !createGridTrackBreadth(minMaxTrackBreadth->second(), state, maxTrackBreadth))
return false;
trackSize.setMinMax(minTrackBreadth, maxTrackBreadth);
return true;
}
static bool createGridTrackList(CSSValue* value, Vector<GridTrackSize>& trackSizes, const StyleResolver::State& state)
{
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
return primitiveValue->getIdent() == CSSValueNone;
}
if (!value->isValueList())
return false;
for (CSSValueListIterator i = value; i.hasMore(); i.advance()) {
CSSValue* currValue = i.value();
GridTrackSize trackSize;
if (!createGridTrackSize(currValue, trackSize, state))
return false;
trackSizes.append(trackSize);
}
return true;
}
static bool createGridPosition(CSSValue* value, GridPosition& position)
{
if (!value->isPrimitiveValue())
return false;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->getIdent() == CSSValueAuto)
return true;
ASSERT_WITH_SECURITY_IMPLICATION(primitiveValue->isNumber());
position.setIntegerPosition(primitiveValue->getIntValue());
return true;
}
#if ENABLE(CSS_VARIABLES)
static bool hasVariableReference(CSSValue* value)
{
if (value->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
return primitiveValue->hasVariableReference();
}
if (value->isCalculationValue())
return static_cast<CSSCalcValue*>(value)->hasVariableReference();
if (value->isReflectValue()) {
CSSReflectValue* reflectValue = static_cast<CSSReflectValue*>(value);
CSSPrimitiveValue* direction = reflectValue->direction();
CSSPrimitiveValue* offset = reflectValue->offset();
CSSValue* mask = reflectValue->mask();
return (direction && hasVariableReference(direction)) || (offset && hasVariableReference(offset)) || (mask && hasVariableReference(mask));
}
for (CSSValueListIterator i = value; i.hasMore(); i.advance()) {
if (hasVariableReference(i.value()))
return true;
}
return false;
}
void StyleResolver::resolveVariables(CSSPropertyID id, CSSValue* value, Vector<std::pair<CSSPropertyID, String> >& knownExpressions)
{
std::pair<CSSPropertyID, String> expression(id, value->serializeResolvingVariables(*m_state.style()->variables()));
if (knownExpressions.contains(expression))
return;
knownExpressions.append(expression);
RefPtr<MutableStylePropertySet> resultSet = MutableStylePropertySet::create();
if (!CSSParser::parseValue(resultSet.get(), id, expression.second, false, document()))
return;
for (unsigned i = 0; i < resultSet->propertyCount(); i++) {
StylePropertySet::PropertyReference property = resultSet->propertyAt(i);
if (property.id() != CSSPropertyVariable && hasVariableReference(property.value()))
resolveVariables(property.id(), property.value(), knownExpressions);
else
applyProperty(property.id(), property.value());
}
}
#endif
void StyleResolver::applyProperty(CSSPropertyID id, CSSValue* value)
{
#if ENABLE(CSS_VARIABLES)
if (id != CSSPropertyVariable && hasVariableReference(value)) {
Vector<std::pair<CSSPropertyID, String> > knownExpressions;
resolveVariables(id, value, knownExpressions);
return;
}
#endif
ASSERT_WITH_MESSAGE(!isExpandedShorthand(id), "Shorthand property id = %d wasn't expanded at parsing time", id);
State& state = m_state;
bool isInherit = state.parentNode() && value->isInheritedValue();
bool isInitial = value->isInitialValue() || (!state.parentNode() && value->isInheritedValue());
ASSERT(!isInherit || !isInitial); ASSERT(!isInherit || (state.parentNode() && state.parentStyle()));
if (!state.applyPropertyToRegularStyle() && (!state.applyPropertyToVisitedLinkStyle() || !isValidVisitedLinkProperty(id))) {
return;
}
if (isInherit && !state.parentStyle()->hasExplicitlyInheritedProperties() && !CSSProperty::isInheritedProperty(id))
state.parentStyle()->setHasExplicitlyInheritedProperties();
#if ENABLE(CSS_VARIABLES)
if (id == CSSPropertyVariable) {
ASSERT_WITH_SECURITY_IMPLICATION(value->isVariableValue());
CSSVariableValue* variable = static_cast<CSSVariableValue*>(value);
ASSERT(!variable->name().isEmpty());
ASSERT(!variable->value().isEmpty());
state.style()->setVariable(variable->name(), variable->value());
return;
}
#endif
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() ? static_cast<CSSPrimitiveValue*>(value) : 0;
float zoomFactor = state.style()->effectiveZoom();
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(static_cast<CSSGradientValue*>(item)->gradientWithStylesResolved(this).get()), didSet);
else
state.style()->setContent(StyleGeneratedImage::create(static_cast<CSSImageGeneratorValue*>(item)), didSet);
didSet = true;
#if ENABLE(CSS_IMAGE_SET)
} else if (item->isImageSetValue()) {
state.style()->setContent(setOrPendingFromValue(CSSPropertyContent, static_cast<CSSImageSetValue*>(item)), didSet);
didSet = true;
#endif
}
if (item->isImageValue()) {
state.style()->setContent(cachedOrPendingFromValue(CSSPropertyContent, static_cast<CSSImageValue*>(item)), didSet);
didSet = true;
continue;
}
if (!item->isPrimitiveValue())
continue;
CSSPrimitiveValue* contentValue = static_cast<CSSPrimitiveValue*>(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;
int listStyleIdent = counterValue->listStyleIdent();
if (listStyleIdent != CSSValueNone)
listStyleType = static_cast<EListStyleType>(listStyleIdent - CSSValueDisc);
OwnPtr<CounterContent> counter = adoptPtr(new CounterContent(counterValue->identifier(), listStyleType, counterValue->separator()));
state.style()->setContent(counter.release(), didSet);
didSet = true;
} else {
switch (contentValue->getIdent()) {
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 CSSPropertyQuotes:
if (isInherit) {
state.style()->setQuotes(state.parentStyle()->quotes());
return;
}
if (isInitial) {
state.style()->setQuotes(0);
return;
}
if (value->isValueList()) {
CSSValueList* list = static_cast<CSSValueList*>(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 = static_cast<CSSPrimitiveValue*>(first)->getStringValue();
String endQuote = static_cast<CSSPrimitiveValue*>(second)->getStringValue();
quotes.append(std::make_pair(startQuote, endQuote));
}
state.style()->setQuotes(QuotesData::create(quotes));
return;
}
if (primitiveValue) {
if (primitiveValue->getIdent() == 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->getIdent(), fontDescription);
if (fontDescription.isAbsoluteSize()) {
Settings* settings = documentSettings();
ASSERT(settings); if (!settings)
return;
fontDescription.setRenderingMode(settings->fontRenderingMode());
fontDescription.setUsePrinterFont(document()->printing() || !settings->screenFontSubstitutionEnabled());
fontDescription.setComputedSize(getComputedSizeFromSpecifiedSize(document(), state.style(), fontDescription.isAbsoluteSize(), fontDescription.specifiedSize(), useSVGZoomRules()));
setFontDescription(fontDescription);
}
} else if (value->isFontValue()) {
FontValue* font = static_cast<FontValue*>(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:
case CSSPropertyWebkitGridColumn:
case CSSPropertyWebkitGridRow:
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() ? adoptPtr(new ShadowData(*state.parentStyle()->textShadow())) : nullptr);
return state.style()->setBoxShadow(state.parentStyle()->boxShadow() ? adoptPtr(new 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;
ShadowValue* item = static_cast<ShadowValue*>(currValue);
int x = item->x->computeLength<int>(state.style(), state.rootElementStyle(), zoomFactor);
int y = item->y->computeLength<int>(state.style(), state.rootElementStyle(), zoomFactor);
int blur = item->blur ? item->blur->computeLength<int>(state.style(), state.rootElementStyle(), zoomFactor) : 0;
int spread = item->spread ? item->spread->computeLength<int>(state.style(), state.rootElementStyle(), zoomFactor) : 0;
ShadowStyle shadowStyle = item->style && item->style->getIdent() == CSSValueInset ? Inset : Normal;
Color color;
if (item->color)
color = colorFromPrimitiveValue(item->color.get());
else if (state.style())
color = state.style()->color();
OwnPtr<ShadowData> shadowData = adoptPtr(new ShadowData(IntPoint(x, y), blur, spread, shadowStyle, id == CSSPropertyWebkitBoxShadow, color.isValid() ? color : Color::transparent));
if (id == CSSPropertyTextShadow)
state.style()->setTextShadow(shadowData.release(), i.index()); else
state.style()->setBoxShadow(shadowData.release(), 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 = static_cast<CSSReflectValue*>(value);
RefPtr<StyleReflection> reflection = StyleReflection::create();
reflection->setDirection(*reflectValue->direction());
if (reflectValue->offset())
reflection->setOffset(reflectValue->offset()->convertToLength<FixedIntegerConversion | PercentConversion | CalculatedConversion>(state.style(), state.rootElementStyle(), zoomFactor));
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->getIdent() == 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->getIdent() == CSSValueAuto)
state.style()->setTextSizeAdjust(TextSizeAdjustment(AutoTextSizeAdjustment));
else if (primitiveValue->getIdent() == CSSValueNone)
state.style()->setTextSizeAdjust(TextSizeAdjustment(NoTextSizeAdjustment));
else
state.style()->setTextSizeAdjust(TextSizeAdjustment(primitiveValue->getFloatValue()));
state.setFontDirty(true);
return;
}
#endif // ENABLE(IOS_TEXT_AUTOSIZING)
#if ENABLE(DASHBOARD_SUPPORT)
case CSSPropertyWebkitDashboardRegion:
{
HANDLE_INHERIT_AND_INITIAL(dashboardRegions, DashboardRegions)
if (!primitiveValue)
return;
if (primitiveValue->getIdent() == 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.style(), state.rootElementStyle());
Length right = convertToIntLength(region->right(), state.style(), state.rootElementStyle());
Length bottom = convertToIntLength(region->bottom(), state.style(), state.rootElementStyle());
Length left = convertToIntLength(region->left(), state.style(), state.rootElementStyle());
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
#if ENABLE(DRAGGABLE_REGION)
case CSSPropertyWebkitAppRegion: {
if (!primitiveValue || !primitiveValue->getIdent())
return;
state.style()->setDraggableRegionMode(primitiveValue->getIdent() == CSSValueDrag ? DraggableRegionDrag : DraggableRegionNoDrag);
state.document()->setHasAnnotatedRegions(true);
return;
}
#endif
case CSSPropertyWebkitTextStrokeWidth: {
HANDLE_INHERIT_AND_INITIAL(textStrokeWidth, TextStrokeWidth)
float width = 0;
switch (primitiveValue->getIdent()) {
case CSSValueThin:
case CSSValueMedium:
case CSSValueThick: {
double result = 1.0 / 48;
if (primitiveValue->getIdent() == CSSValueMedium)
result *= 3;
else if (primitiveValue->getIdent() == CSSValueThick)
result *= 5;
width = CSSPrimitiveValue::create(result, CSSPrimitiveValue::CSS_EMS)->computeLength<float>(state.style(), state.rootElementStyle(), zoomFactor);
break;
}
default:
width = primitiveValue->computeLength<float>(state.style(), state.rootElementStyle(), zoomFactor);
break;
}
state.style()->setTextStrokeWidth(width);
return;
}
case CSSPropertyWebkitTransform: {
HANDLE_INHERIT_AND_INITIAL(transform, Transform);
TransformOperations operations;
transformsForValue(state.style(), state.rootElementStyle(), value, operations);
state.style()->setTransform(operations);
return;
}
case CSSPropertyWebkitPerspective: {
HANDLE_INHERIT_AND_INITIAL(perspective, Perspective)
if (!primitiveValue)
return;
if (primitiveValue->getIdent() == CSSValueNone) {
state.style()->setPerspective(0);
return;
}
float perspectiveValue;
if (primitiveValue->isLength())
perspectiveValue = primitiveValue->computeLength<float>(state.style(), state.rootElementStyle(), zoomFactor);
else if (primitiveValue->isNumber()) {
perspectiveValue = CSSPrimitiveValue::create(primitiveValue->getDoubleValue(), CSSPrimitiveValue::CSS_PX)->computeLength<float>(state.style(), state.rootElementStyle(), zoomFactor);
} 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;
Color col = colorFromPrimitiveValue(primitiveValue);
state.style()->setCompositionFillColor(col);
return;
}
case CSSPropertyWebkitOverflowScrolling: {
HANDLE_INHERIT_AND_INITIAL(useTouchOverflowScrolling, UseTouchOverflowScrolling);
if (!primitiveValue)
break;
state.style()->setUseTouchOverflowScrolling(primitiveValue->getIdent() == CSSValueTouch);
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->getIdent() == CSSValueTouch);
return;
}
#endif
case CSSPropertyInvalid:
return;
case CSSPropertyWebkitBorderEndColor:
case CSSPropertyWebkitBorderEndStyle:
case CSSPropertyWebkitBorderEndWidth:
case CSSPropertyWebkitBorderStartColor:
case CSSPropertyWebkitBorderStartStyle:
case CSSPropertyWebkitBorderStartWidth:
case CSSPropertyWebkitBorderBeforeColor:
case CSSPropertyWebkitBorderBeforeStyle:
case CSSPropertyWebkitBorderBeforeWidth:
case CSSPropertyWebkitBorderAfterColor:
case CSSPropertyWebkitBorderAfterStyle:
case CSSPropertyWebkitBorderAfterWidth:
case CSSPropertyWebkitMarginEnd:
case CSSPropertyWebkitMarginStart:
case CSSPropertyWebkitMarginBefore:
case CSSPropertyWebkitMarginAfter:
case CSSPropertyWebkitMarginBeforeCollapse:
case CSSPropertyWebkitMarginTopCollapse:
case CSSPropertyWebkitMarginAfterCollapse:
case CSSPropertyWebkitMarginBottomCollapse:
case CSSPropertyWebkitPaddingEnd:
case CSSPropertyWebkitPaddingStart:
case CSSPropertyWebkitPaddingBefore:
case CSSPropertyWebkitPaddingAfter:
case CSSPropertyWebkitLogicalWidth:
case CSSPropertyWebkitLogicalHeight:
case CSSPropertyWebkitMinLogicalWidth:
case CSSPropertyWebkitMinLogicalHeight:
case CSSPropertyWebkitMaxLogicalWidth:
case CSSPropertyWebkitMaxLogicalHeight:
{
CSSPropertyID newId = CSSProperty::resolveDirectionAwareProperty(id, state.style()->direction(), state.style()->writingMode());
ASSERT(newId != id);
return applyProperty(newId, value);
}
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->getIdent() == CSSValueNone) {
state.style()->setLineBoxContain(LineBoxContainNone);
return;
}
if (!value->isCSSLineBoxContainValue())
return;
CSSLineBoxContainValue* lineBoxContainValue = static_cast<CSSLineBoxContainValue*>(value);
state.style()->setLineBoxContain(lineBoxContainValue->value());
return;
}
case CSSPropertyWebkitFontFeatureSettings: {
if (primitiveValue && primitiveValue->getIdent() == CSSValueNormal) {
setFontDescription(state.style()->fontDescription().makeNormalFeatureSettings());
return;
}
if (!value->isValueList())
return;
FontDescription fontDescription = state.style()->fontDescription();
CSSValueList* list = static_cast<CSSValueList*>(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;
FontFeatureValue* feature = static_cast<FontFeatureValue*>(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, state.style(), state.rootElementStyle(), operations))
state.style()->setFilter(operations);
return;
}
#endif
case CSSPropertyWebkitGridAutoColumns: {
GridTrackSize trackSize;
if (!createGridTrackSize(value, trackSize, state))
return;
state.style()->setGridAutoColumns(trackSize);
return;
}
case CSSPropertyWebkitGridAutoRows: {
GridTrackSize trackSize;
if (!createGridTrackSize(value, trackSize, state))
return;
state.style()->setGridAutoRows(trackSize);
return;
}
case CSSPropertyWebkitGridColumns: {
Vector<GridTrackSize> trackSizes;
if (!createGridTrackList(value, trackSizes, state))
return;
state.style()->setGridColumns(trackSizes);
return;
}
case CSSPropertyWebkitGridRows: {
Vector<GridTrackSize> trackSizes;
if (!createGridTrackList(value, trackSizes, state))
return;
state.style()->setGridRows(trackSizes);
return;
}
case CSSPropertyWebkitGridStart: {
GridPosition startPosition;
if (!createGridPosition(value, startPosition))
return;
state.style()->setGridItemStart(startPosition);
return;
}
case CSSPropertyWebkitGridEnd: {
GridPosition endPosition;
if (!createGridPosition(value, endPosition))
return;
state.style()->setGridItemEnd(endPosition);
return;
}
case CSSPropertyWebkitGridBefore: {
GridPosition beforePosition;
if (!createGridPosition(value, beforePosition))
return;
state.style()->setGridItemBefore(beforePosition);
return;
}
case CSSPropertyWebkitGridAfter: {
GridPosition afterPosition;
if (!createGridPosition(value, afterPosition))
return;
state.style()->setGridItemAfter(afterPosition);
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 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:
#if ENABLE(CSS_VARIABLES)
case CSSPropertyVariable:
#endif
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 CSSPropertyWebkitHighlight:
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 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 CSSPropertyWebkitTextDecorationLine:
case CSSPropertyWebkitTextDecorationStyle:
case CSSPropertyWebkitTextDecorationColor:
case CSSPropertyWebkitTextAlignLast:
case CSSPropertyWebkitTextJustify:
case CSSPropertyWebkitTextUnderlinePosition:
#endif // CSS3_TEXT
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 CSSPropertyWebkitShapePadding:
case CSSPropertyWebkitShapeInside:
case CSSPropertyWebkitShapeOutside:
#endif
#if ENABLE(CSS_EXCLUSIONS)
case CSSPropertyWebkitWrapFlow:
case CSSPropertyWebkitWrapThrough:
#endif
#if ENABLE(CSS_SHADERS)
case CSSPropertyMix:
case CSSPropertyParameters:
#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:
#if ENABLE(SVG)
applySVGProperty(id, value);
#endif
return;
}
}
PassRefPtr<StyleImage> StyleResolver::styleImage(CSSPropertyID property, CSSValue* value)
{
if (value->isImageValue())
return cachedOrPendingFromValue(property, static_cast<CSSImageValue*>(value));
if (value->isImageGeneratorValue()) {
if (value->isGradientValue())
return generatedOrPendingFromValue(property, static_cast<CSSGradientValue*>(value)->gradientWithStylesResolved(this).get());
return generatedOrPendingFromValue(property, static_cast<CSSImageGeneratorValue*>(value));
}
#if ENABLE(CSS_IMAGE_SET)
if (value->isImageSetValue())
return setOrPendingFromValue(property, static_cast<CSSImageSetValue*>(value));
#endif
if (value->isCursorImageValue())
return cursorOrPendingFromValue(property, static_cast<CSSCursorImageValue*>(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 (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 = m_state.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 (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 = fontSizeForKeyword(document(), CSSValueXxSmall + childFont.keywordSize() - 1, childFont.useFixedDefaultSize());
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, fontSizeForKeyword(document(), CSSValueMedium, false));
m_state.style()->setLineHeight(RenderStyle::initialLineHeight());
m_state.setLineHeightValue(0);
setFontDescription(fontDescription);
}
void StyleResolver::setFontSize(FontDescription& fontDescription, float size)
{
fontDescription.setSpecifiedSize(size);
fontDescription.setComputedSize(getComputedSizeFromSpecifiedSize(document(), m_state.style(), fontDescription.isAbsoluteSize(), size, useSVGZoomRules()));
}
float StyleResolver::getComputedSizeFromSpecifiedSize(Document* document, RenderStyle* style, bool isAbsoluteSize, float specifiedSize, bool useSVGZoomRules)
{
float zoomFactor = 1.0f;
if (!useSVGZoomRules) {
zoomFactor = style->effectiveZoom();
if (Frame* frame = document->frame())
zoomFactor *= frame->textZoomFactor();
}
return StyleResolver::getComputedSizeFromSpecifiedSize(document, zoomFactor, isAbsoluteSize, specifiedSize);
}
float StyleResolver::getComputedSizeFromSpecifiedSize(Document* document, float zoomFactor, bool isAbsoluteSize, float specifiedSize, ESmartMinimumForFontSize useSmartMinimumForFontSize)
{
if (fabsf(specifiedSize) < std::numeric_limits<float>::epsilon())
return 0.0f;
Settings* settings = document->settings();
if (!settings)
return 1.0f;
int minSize = settings->minimumFontSize();
int minLogicalSize = settings->minimumLogicalFontSize();
float zoomedSize = specifiedSize * zoomFactor;
if (zoomedSize < minSize)
zoomedSize = minSize;
if (useSmartMinimumForFontSize && zoomedSize < minLogicalSize && (specifiedSize >= minLogicalSize || !isAbsoluteSize))
zoomedSize = minLogicalSize;
return min(maximumAllowedFontSize, zoomedSize);
}
const int fontSizeTableMax = 16;
const int fontSizeTableMin = 9;
const int totalKeywords = 8;
static const int quirksFontSizeTable[fontSizeTableMax - fontSizeTableMin + 1][totalKeywords] =
{
{ 9, 9, 9, 9, 11, 14, 18, 28 },
{ 9, 9, 9, 10, 12, 15, 20, 31 },
{ 9, 9, 9, 11, 13, 17, 22, 34 },
{ 9, 9, 10, 12, 14, 18, 24, 37 },
{ 9, 9, 10, 13, 16, 20, 26, 40 }, { 9, 9, 11, 14, 17, 21, 28, 42 },
{ 9, 10, 12, 15, 17, 23, 30, 45 },
{ 9, 10, 13, 16, 18, 24, 32, 48 } };
static const int strictFontSizeTable[fontSizeTableMax - fontSizeTableMin + 1][totalKeywords] =
{
{ 9, 9, 9, 9, 11, 14, 18, 27 },
{ 9, 9, 9, 10, 12, 15, 20, 30 },
{ 9, 9, 10, 11, 13, 17, 22, 33 },
{ 9, 9, 10, 12, 14, 18, 24, 36 },
{ 9, 10, 12, 13, 16, 20, 26, 39 }, { 9, 10, 12, 14, 17, 21, 28, 42 },
{ 9, 10, 13, 15, 18, 23, 30, 45 },
{ 9, 10, 13, 16, 18, 24, 32, 48 } };
static const float fontSizeFactors[totalKeywords] = { 0.60f, 0.75f, 0.89f, 1.0f, 1.2f, 1.5f, 2.0f, 3.0f };
float StyleResolver::fontSizeForKeyword(Document* document, int keyword, bool shouldUseFixedDefaultSize)
{
Settings* settings = document->settings();
if (!settings)
return 1.0f;
bool quirksMode = document->inQuirksMode();
int mediumSize = shouldUseFixedDefaultSize ? settings->defaultFixedFontSize() : settings->defaultFontSize();
if (mediumSize >= fontSizeTableMin && mediumSize <= fontSizeTableMax) {
int row = mediumSize - fontSizeTableMin;
int col = (keyword - CSSValueXxSmall);
return quirksMode ? quirksFontSizeTable[row][col] : strictFontSizeTable[row][col];
}
float minLogicalSize = max(settings->minimumLogicalFontSize(), 1);
return max(fontSizeFactors[keyword - CSSValueXxSmall]*mediumSize, minLogicalSize);
}
template<typename T>
static int findNearestLegacyFontSize(int pixelFontSize, const T* table, int multiplier)
{
for (int i = 1; i < totalKeywords - 1; i++) {
if (pixelFontSize * 2 < (table[i] + table[i + 1]) * multiplier)
return i;
}
return totalKeywords - 1;
}
int StyleResolver::legacyFontSize(Document* document, int pixelFontSize, bool shouldUseFixedDefaultSize)
{
Settings* settings = document->settings();
if (!settings)
return 1;
bool quirksMode = document->inQuirksMode();
int mediumSize = shouldUseFixedDefaultSize ? settings->defaultFixedFontSize() : settings->defaultFontSize();
if (mediumSize >= fontSizeTableMin && mediumSize <= fontSizeTableMax) {
int row = mediumSize - fontSizeTableMin;
return findNearestLegacyFontSize<int>(pixelFontSize, quirksMode ? quirksFontSizeTable[row] : strictFontSizeTable[row], 1);
}
return findNearestLegacyFontSize<float>(pixelFontSize, fontSizeFactors, mediumSize);
}
static Color colorForCSSValue(int cssValueId)
{
struct ColorValue {
int 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 },
{ 0, 0 }
};
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->getIdent();
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;
int ident = value->getIdent();
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(adoptPtr(new MediaQueryResult(*expr, result)));
}
bool StyleResolver::affectedByViewportChange() 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;
#if ENABLE(CSS_SHADERS)
case WebKitCSSFilterValue::CustomFilterOperation:
return FilterOperation::CUSTOM;
#endif
case WebKitCSSFilterValue::UnknownFilterOperation:
return FilterOperation::NONE;
}
return FilterOperation::NONE;
}
#if ENABLE(CSS_FILTERS) && ENABLE(SVG)
void StyleResolver::loadPendingSVGDocuments()
{
State& state = m_state;
ASSERT(state.style());
if (!state.style() || !state.style()->hasFilter() || state.pendingSVGDocuments().isEmpty())
return;
CachedResourceLoader* cachedResourceLoader = state.document()->cachedResourceLoader();
Vector<RefPtr<FilterOperation> >& filterOperations = state.style()->mutableFilter().operations();
for (unsigned i = 0; i < filterOperations.size(); ++i) {
RefPtr<FilterOperation> filterOperation = filterOperations.at(i);
if (filterOperation->getOperationType() == FilterOperation::REFERENCE) {
ReferenceFilterOperation* referenceFilter = toReferenceFilterOperation(filterOperation.get());
WebKitCSSSVGDocumentValue* value = state.pendingSVGDocuments().get(referenceFilter);
if (!value)
continue;
CachedSVGDocument* cachedDocument = value->load(cachedResourceLoader);
if (!cachedDocument)
continue;
referenceFilter->setCachedSVGDocumentReference(adoptPtr(new CachedSVGDocumentReference(cachedDocument)));
}
}
state.pendingSVGDocuments().clear();
}
#endif
#if ENABLE(CSS_SHADERS)
StyleShader* StyleResolver::styleShader(CSSValue* value)
{
if (value->isWebKitCSSShaderValue())
return cachedOrPendingStyleShaderFromValue(static_cast<WebKitCSSShaderValue*>(value));
return 0;
}
StyleShader* StyleResolver::cachedOrPendingStyleShaderFromValue(WebKitCSSShaderValue* value)
{
StyleShader* shader = value->cachedOrPendingShader();
if (shader && shader->isPendingShader())
m_state.setHasPendingShaders(true);
return shader;
}
PassRefPtr<CustomFilterProgram> StyleResolver::lookupCustomFilterProgram(WebKitCSSShaderValue* vertexShader, WebKitCSSShaderValue* fragmentShader,
CustomFilterProgramType programType, const CustomFilterProgramMixSettings& mixSettings, CustomFilterMeshType meshType)
{
CachedResourceLoader* cachedResourceLoader = m_state.document()->cachedResourceLoader();
KURL vertexShaderURL = vertexShader ? vertexShader->completeURL(cachedResourceLoader) : KURL();
KURL fragmentShaderURL = fragmentShader ? fragmentShader->completeURL(cachedResourceLoader) : KURL();
RefPtr<StyleCustomFilterProgram> program;
if (m_customFilterProgramCache)
program = m_customFilterProgramCache->lookup(CustomFilterProgramInfo(vertexShaderURL, fragmentShaderURL, programType, mixSettings, meshType));
if (!program) {
program = StyleCustomFilterProgram::create(vertexShaderURL, vertexShader ? styleShader(vertexShader) : 0,
fragmentShaderURL, fragmentShader ? styleShader(fragmentShader) : 0, programType, mixSettings, meshType);
}
return program.release();
}
void StyleResolver::loadPendingShaders()
{
if (!m_state.hasPendingShaders() || !m_state.style() || !m_state.style()->hasFilter())
return;
CachedResourceLoader* cachedResourceLoader = m_state.document()->cachedResourceLoader();
Vector<RefPtr<FilterOperation> >& filterOperations = m_state.style()->mutableFilter().operations();
for (unsigned i = 0; i < filterOperations.size(); ++i) {
RefPtr<FilterOperation> filterOperation = filterOperations.at(i);
if (filterOperation->getOperationType() == FilterOperation::CUSTOM) {
CustomFilterOperation* customFilter = static_cast<CustomFilterOperation*>(filterOperation.get());
ASSERT(customFilter->program());
StyleCustomFilterProgram* program = static_cast<StyleCustomFilterProgram*>(customFilter->program());
if (!program->hasPendingShaders() && program->inCache())
continue;
if (!m_customFilterProgramCache)
m_customFilterProgramCache = adoptPtr(new StyleCustomFilterProgramCache());
RefPtr<StyleCustomFilterProgram> styleProgram = m_customFilterProgramCache->lookup(program);
if (styleProgram.get())
customFilter->setProgram(styleProgram.release());
else {
if (program->vertexShader() && program->vertexShader()->isPendingShader()) {
WebKitCSSShaderValue* shaderValue = static_cast<StylePendingShader*>(program->vertexShader())->cssShaderValue();
program->setVertexShader(shaderValue->cachedShader(cachedResourceLoader));
}
if (program->fragmentShader() && program->fragmentShader()->isPendingShader()) {
WebKitCSSShaderValue* shaderValue = static_cast<StylePendingShader*>(program->fragmentShader())->cssShaderValue();
program->setFragmentShader(shaderValue->cachedShader(cachedResourceLoader));
}
m_customFilterProgramCache->add(program);
}
}
}
m_state.setHasPendingShaders(false);
}
static bool sortParametersByNameComparator(const RefPtr<CustomFilterParameter>& a, const RefPtr<CustomFilterParameter>& b)
{
return codePointCompareLessThan(a->name(), b->name());
}
PassRefPtr<CustomFilterParameter> StyleResolver::parseCustomFilterArrayParameter(const String& name, CSSValueList* values, bool isArray)
{
RefPtr<CustomFilterArrayParameter> arrayParameter = CustomFilterArrayParameter::create(name, isArray ? CustomFilterArrayParameter::ARRAY : CustomFilterArrayParameter::MATRIX);
for (unsigned i = 0, length = values->length(); i < length; ++i) {
CSSValue* value = values->itemWithoutBoundsCheck(i);
if (!value->isPrimitiveValue())
return 0;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return 0;
arrayParameter->addValue(primitiveValue->getDoubleValue());
}
return arrayParameter.release();
}
PassRefPtr<CustomFilterParameter> StyleResolver::parseCustomFilterColorParameter(const String& name, CSSValueList* values)
{
ASSERT(values->length());
CSSPrimitiveValue* firstPrimitiveValue = static_cast<CSSPrimitiveValue*>(values->itemWithoutBoundsCheck(0));
RefPtr<CustomFilterColorParameter> colorParameter = CustomFilterColorParameter::create(name);
colorParameter->setColor(Color(firstPrimitiveValue->getRGBA32Value()));
return colorParameter.release();
}
PassRefPtr<CustomFilterParameter> StyleResolver::parseCustomFilterNumberParameter(const String& name, CSSValueList* values)
{
RefPtr<CustomFilterNumberParameter> numberParameter = CustomFilterNumberParameter::create(name);
for (unsigned i = 0; i < values->length(); ++i) {
CSSValue* value = values->itemWithoutBoundsCheck(i);
if (!value->isPrimitiveValue())
return 0;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
if (primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
return 0;
numberParameter->addValue(primitiveValue->getDoubleValue());
}
return numberParameter.release();
}
PassRefPtr<CustomFilterParameter> StyleResolver::parseCustomFilterTransformParameter(const String& name, CSSValueList* values)
{
RefPtr<CustomFilterTransformParameter> transformParameter = CustomFilterTransformParameter::create(name);
TransformOperations operations;
transformsForValue(m_state.style(), m_state.rootElementStyle(), values, operations);
transformParameter->setOperations(operations);
return transformParameter.release();
}
PassRefPtr<CustomFilterParameter> StyleResolver::parseCustomFilterParameter(const String& name, CSSValue* parameterValue)
{
if (!parameterValue->isValueList())
return 0;
CSSValueList* values = static_cast<CSSValueList*>(parameterValue);
if (!values->length())
return 0;
if (parameterValue->isWebKitCSSArrayFunctionValue())
return parseCustomFilterArrayParameter(name, values, true);
if (parameterValue->isWebKitCSSMatFunctionValue())
return parseCustomFilterArrayParameter(name, values, false);
if (values->itemWithoutBoundsCheck(0)->isWebKitCSSTransformValue())
return parseCustomFilterTransformParameter(name, values);
if (!values->itemWithoutBoundsCheck(0)->isPrimitiveValue() || values->length() > 4)
return 0;
CSSPrimitiveValue* firstPrimitiveValue = static_cast<CSSPrimitiveValue*>(values->itemWithoutBoundsCheck(0));
if (firstPrimitiveValue->primitiveType() == CSSPrimitiveValue::CSS_NUMBER)
return parseCustomFilterNumberParameter(name, values);
if (firstPrimitiveValue->primitiveType() == CSSPrimitiveValue::CSS_RGBCOLOR)
return parseCustomFilterColorParameter(name, values);
return 0;
}
bool StyleResolver::parseCustomFilterParameterList(CSSValue* parametersValue, CustomFilterParameterList& parameterList)
{
HashSet<String> knownParameterNames;
CSSValueListIterator parameterIterator(parametersValue);
for (; parameterIterator.hasMore(); parameterIterator.advance()) {
if (!parameterIterator.value()->isValueList())
return false;
CSSValueListIterator iterator(parameterIterator.value());
if (!iterator.isPrimitiveValue())
return false;
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(iterator.value());
if (primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_STRING)
return false;
String name = primitiveValue->getStringValue();
if (knownParameterNames.contains(name))
return false;
knownParameterNames.add(name);
iterator.advance();
if (!iterator.hasMore())
return false;
RefPtr<CustomFilterParameter> parameter = parseCustomFilterParameter(name, iterator.value());
if (!parameter)
return false;
parameterList.append(parameter.release());
}
std::sort(parameterList.begin(), parameterList.end(), sortParametersByNameComparator);
return true;
}
PassRefPtr<CustomFilterOperation> StyleResolver::createCustomFilterOperationWithAtRuleReferenceSyntax(WebKitCSSFilterValue* filterValue)
{
UNUSED_PARAM(filterValue);
return 0;
}
PassRefPtr<CustomFilterOperation> StyleResolver::createCustomFilterOperationWithInlineSyntax(WebKitCSSFilterValue* filterValue)
{
CSSValue* shadersValue = filterValue->itemWithoutBoundsCheck(0);
ASSERT_WITH_SECURITY_IMPLICATION(shadersValue->isValueList());
CSSValueList* shadersList = static_cast<CSSValueList*>(shadersValue);
unsigned shadersListLength = shadersList->length();
ASSERT(shadersListLength);
WebKitCSSShaderValue* vertexShader = toWebKitCSSShaderValue(shadersList->itemWithoutBoundsCheck(0));
WebKitCSSShaderValue* fragmentShader = 0;
CustomFilterProgramType programType = PROGRAM_TYPE_BLENDS_ELEMENT_TEXTURE;
CustomFilterProgramMixSettings mixSettings;
if (shadersListLength > 1) {
CSSValue* fragmentShaderOrMixFunction = shadersList->itemWithoutBoundsCheck(1);
if (fragmentShaderOrMixFunction->isWebKitCSSMixFunctionValue()) {
WebKitCSSMixFunctionValue* mixFunction = static_cast<WebKitCSSMixFunctionValue*>(fragmentShaderOrMixFunction);
CSSValueListIterator iterator(mixFunction);
ASSERT(mixFunction->length());
fragmentShader = toWebKitCSSShaderValue(iterator.value());
iterator.advance();
ASSERT(mixFunction->length() <= 3);
while (iterator.hasMore()) {
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(iterator.value());
if (CSSParser::isBlendMode(primitiveValue->getIdent()))
mixSettings.blendMode = *primitiveValue;
else if (CSSParser::isCompositeOperator(primitiveValue->getIdent()))
mixSettings.compositeOperator = *primitiveValue;
else
ASSERT_NOT_REACHED();
iterator.advance();
}
} else {
programType = PROGRAM_TYPE_NO_ELEMENT_TEXTURE;
fragmentShader = toWebKitCSSShaderValue(fragmentShaderOrMixFunction);
}
}
if (!vertexShader && !fragmentShader)
return 0;
unsigned meshRows = 1;
unsigned meshColumns = 1;
CustomFilterMeshType meshType = MeshTypeAttached;
CSSValue* parametersValue = 0;
if (filterValue->length() > 1) {
CSSValueListIterator iterator(filterValue->itemWithoutBoundsCheck(1));
if (iterator.hasMore() && iterator.isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(iterator.value());
if (primitiveValue->isNumber()) {
meshColumns = meshRows = primitiveValue->getIntValue();
iterator.advance();
if (iterator.hasMore() && iterator.isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(iterator.value());
if (primitiveValue->isNumber()) {
meshRows = primitiveValue->getIntValue();
iterator.advance();
}
}
}
}
if (iterator.hasMore() && iterator.isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(iterator.value());
if (primitiveValue->getIdent() == CSSValueDetached) {
meshType = MeshTypeDetached;
iterator.advance();
}
}
if (!iterator.index()) {
ASSERT(filterValue->length() == 2);
parametersValue = filterValue->itemWithoutBoundsCheck(1);
}
}
if (filterValue->length() > 2 && !parametersValue)
parametersValue = filterValue->itemWithoutBoundsCheck(2);
CustomFilterParameterList parameterList;
if (parametersValue && !parseCustomFilterParameterList(parametersValue, parameterList))
return 0;
RefPtr<CustomFilterProgram> program = lookupCustomFilterProgram(vertexShader, fragmentShader, programType, mixSettings, meshType);
return CustomFilterOperation::create(program.release(), parameterList, meshRows, meshColumns);
}
PassRefPtr<CustomFilterOperation> StyleResolver::createCustomFilterOperation(WebKitCSSFilterValue* filterValue)
{
ASSERT(filterValue->length());
bool isAtRuleReferenceSyntax = filterValue->itemWithoutBoundsCheck(0)->isPrimitiveValue();
return isAtRuleReferenceSyntax ? createCustomFilterOperationWithAtRuleReferenceSyntax(filterValue) : createCustomFilterOperationWithInlineSyntax(filterValue);
}
#endif
bool StyleResolver::createFilterOperations(CSSValue* inValue, RenderStyle* style, RenderStyle* rootStyle, FilterOperations& outOperations)
{
ASSERT(outOperations.isEmpty());
if (!inValue)
return false;
if (inValue->isPrimitiveValue()) {
CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(inValue);
if (primitiveValue->getIdent() == CSSValueNone)
return true;
}
if (!inValue->isValueList())
return false;
float zoomFactor = style ? style->effectiveZoom() : 1;
FilterOperations operations;
for (CSSValueListIterator i = inValue; i.hasMore(); i.advance()) {
CSSValue* currValue = i.value();
if (!currValue->isWebKitCSSFilterValue())
continue;
WebKitCSSFilterValue* filterValue = static_cast<WebKitCSSFilterValue*>(i.value());
FilterOperation::OperationType operationType = filterOperationForType(filterValue->operationType());
#if ENABLE(CSS_SHADERS)
if (operationType == FilterOperation::VALIDATED_CUSTOM) {
ASSERT_NOT_REACHED();
continue;
}
if (operationType == FilterOperation::CUSTOM) {
RefPtr<CustomFilterOperation> operation = createCustomFilterOperation(filterValue);
if (!operation)
return false;
operations.operations().append(operation);
continue;
}
#endif
if (operationType == FilterOperation::REFERENCE) {
#if ENABLE(SVG)
if (filterValue->length() != 1)
continue;
CSSValue* argument = filterValue->itemWithoutBoundsCheck(0);
if (!argument->isWebKitCSSSVGDocumentValue())
continue;
WebKitCSSSVGDocumentValue* svgDocumentValue = static_cast<WebKitCSSSVGDocumentValue*>(argument);
KURL url = m_state.document()->completeURL(svgDocumentValue->url());
RefPtr<ReferenceFilterOperation> operation = ReferenceFilterOperation::create(svgDocumentValue->url(), url.fragmentIdentifier());
if (SVGURIReference::isExternalURIReference(svgDocumentValue->url(), m_state.document())) {
if (!svgDocumentValue->loadRequested())
m_state.pendingSVGDocuments().set(operation.get(), svgDocumentValue);
else if (svgDocumentValue->cachedSVGDocument())
operation->setCachedSVGDocumentReference(adoptPtr(new CachedSVGDocumentReference(svgDocumentValue->cachedSVGDocument())));
}
operations.operations().append(operation);
#endif
continue;
}
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;
}
CSSPrimitiveValue* firstValue = filterValue->length() ? static_cast<CSSPrimitiveValue*>(filterValue->itemWithoutBoundsCheck(0)) : 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, style, rootStyle, zoomFactor);
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;
ShadowValue* item = static_cast<ShadowValue*>(cssValue);
IntPoint location(item->x->computeLength<int>(style, rootStyle, zoomFactor),
item->y->computeLength<int>(style, rootStyle, zoomFactor));
int blur = item->blur ? item->blur->computeLength<int>(style, rootStyle, zoomFactor) : 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(StylePendingImage* pendingImage)
{
CachedResourceLoader* cachedResourceLoader = m_state.document()->cachedResourceLoader();
if (pendingImage->cssImageValue()) {
CSSImageValue* imageValue = pendingImage->cssImageValue();
return imageValue->cachedImage(cachedResourceLoader);
}
if (pendingImage->cssImageGeneratorValue()) {
CSSImageGeneratorValue* imageGeneratorValue = pendingImage->cssImageGeneratorValue();
imageGeneratorValue->loadSubimages(cachedResourceLoader);
return StyleGeneratedImage::create(imageGeneratorValue);
}
if (pendingImage->cssCursorImageValue()) {
CSSCursorImageValue* cursorImageValue = pendingImage->cssCursorImageValue();
return cursorImageValue->cachedImage(cachedResourceLoader);
}
#if ENABLE(CSS_IMAGE_SET)
if (pendingImage->cssImageSetValue()) {
CSSImageSetValue* imageSetValue = pendingImage->cssImageSetValue();
return imageSetValue->cachedImageSet(cachedResourceLoader);
}
#endif
return 0;
}
void StyleResolver::loadPendingImages()
{
if (m_state.pendingImageProperties().isEmpty())
return;
PendingImagePropertyMap::const_iterator::Keys end = m_state.pendingImageProperties().end().keys();
for (PendingImagePropertyMap::const_iterator::Keys 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()) {
if (backgroundLayer->image() && backgroundLayer->image()->isPendingImage())
backgroundLayer->setImage(loadPendingImage(static_cast<StylePendingImage*>(backgroundLayer->image())));
}
break;
}
case CSSPropertyContent: {
for (ContentData* contentData = const_cast<ContentData*>(m_state.style()->contentData()); contentData; contentData = contentData->next()) {
if (contentData->isImage()) {
StyleImage* image = static_cast<ImageContentData*>(contentData)->image();
if (image->isPendingImage()) {
RefPtr<StyleImage> loadedImage = loadPendingImage(static_cast<StylePendingImage*>(image));
if (loadedImage)
static_cast<ImageContentData*>(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);
if (StyleImage* image = currentCursor.image()) {
if (image->isPendingImage())
currentCursor.setImage(loadPendingImage(static_cast<StylePendingImage*>(image)));
}
}
}
break;
}
case CSSPropertyListStyleImage: {
if (m_state.style()->listStyleImage() && m_state.style()->listStyleImage()->isPendingImage())
m_state.style()->setListStyleImage(loadPendingImage(static_cast<StylePendingImage*>(m_state.style()->listStyleImage())));
break;
}
case CSSPropertyBorderImageSource: {
if (m_state.style()->borderImageSource() && m_state.style()->borderImageSource()->isPendingImage())
m_state.style()->setBorderImageSource(loadPendingImage(static_cast<StylePendingImage*>(m_state.style()->borderImageSource())));
break;
}
case CSSPropertyWebkitBoxReflect: {
if (StyleReflection* reflection = m_state.style()->boxReflect()) {
const NinePieceImage& maskImage = reflection->mask();
if (maskImage.image() && maskImage.image()->isPendingImage()) {
RefPtr<StyleImage> loadedImage = loadPendingImage(static_cast<StylePendingImage*>(maskImage.image()));
reflection->setMask(NinePieceImage(loadedImage.release(), maskImage.imageSlices(), maskImage.fill(), maskImage.borderSlices(), maskImage.outset(), maskImage.horizontalRule(), maskImage.verticalRule()));
}
}
break;
}
case CSSPropertyWebkitMaskBoxImageSource: {
if (m_state.style()->maskBoxImageSource() && m_state.style()->maskBoxImageSource()->isPendingImage())
m_state.style()->setMaskBoxImageSource(loadPendingImage(static_cast<StylePendingImage*>(m_state.style()->maskBoxImageSource())));
break;
}
case CSSPropertyWebkitMaskImage: {
for (FillLayer* maskLayer = m_state.style()->accessMaskLayers(); maskLayer; maskLayer = maskLayer->next()) {
if (maskLayer->image() && maskLayer->image()->isPendingImage())
maskLayer->setImage(loadPendingImage(static_cast<StylePendingImage*>(maskLayer->image())));
}
break;
}
#if ENABLE(CSS_SHAPES)
case CSSPropertyWebkitShapeInside:
if (m_state.style()->shapeInside() && m_state.style()->shapeInside()->image() && m_state.style()->shapeInside()->image()->isPendingImage())
m_state.style()->shapeInside()->setImage(loadPendingImage(static_cast<StylePendingImage*>(m_state.style()->shapeInside()->image())));
break;
case CSSPropertyWebkitShapeOutside:
if (m_state.style()->shapeOutside() && m_state.style()->shapeOutside()->image() && m_state.style()->shapeOutside()->image()->isPendingImage())
m_state.style()->shapeOutside()->setImage(loadPendingImage(static_cast<StylePendingImage*>(m_state.style()->shapeOutside()->image())));
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_SHADERS)
loadPendingShaders();
#endif
#if ENABLE(CSS_FILTERS) && ENABLE(SVG)
loadPendingSVGDocuments();
#endif
#ifndef NDEBUG
inLoadPendingResources = false;
#endif
}
inline StyleResolver::MatchedProperties::MatchedProperties()
: possiblyPaddedMember(0)
{
}
inline StyleResolver::MatchedProperties::~MatchedProperties()
{
}
}