void ElementRuleCollector::matchUARules()
{
// First we match rules from the user agent sheet.
if (CSSDefaultStyleSheets::simpleDefaultStyleSheet)
m_result.isCacheable = false;
RuleSet* userAgentStyleSheet = m_isPrintStyle
? CSSDefaultStyleSheets::defaultPrintStyle : CSSDefaultStyleSheets::defaultStyle;
matchUARules(userAgentStyleSheet);
// In quirks mode, we match rules from the quirks user agent sheet.
if (m_element.document().inQuirksMode())
matchUARules(CSSDefaultStyleSheets::defaultQuirksStyle);
}
void ElementRuleCollector::matchUARules()
{
MatchingUARulesScope scope;
// First we match rules from the user agent sheet.
if (CSSDefaultStyleSheets::simpleDefaultStyleSheet)
m_result.isCacheable = false;
RuleSet* userAgentStyleSheet = m_isPrintStyle
? CSSDefaultStyleSheets::defaultPrintStyle : CSSDefaultStyleSheets::defaultStyle;
matchUARules(userAgentStyleSheet);
// In quirks mode, we match rules from the quirks user agent sheet.
if (document()->inQuirksMode())
matchUARules(CSSDefaultStyleSheets::defaultQuirksStyle);
// If document uses view source styles (in view source mode or in xml viewer mode), then we match rules from the view source style sheet.
if (document()->isViewSource())
matchUARules(CSSDefaultStyleSheets::viewSourceStyle());
}
void ElementRuleCollector::matchAllRules(bool matchAuthorAndUserStyles, bool includeSMILProperties)
{
matchUARules();
// Now we check user sheet rules.
if (matchAuthorAndUserStyles)
matchUserRules(false);
// Now check author rules, beginning first with presentational attributes mapped from HTML.
if (m_state.styledElement()) {
addElementStyleProperties(m_state.styledElement()->presentationAttributeStyle());
// Now we check additional mapped declarations.
// Tables and table cells share an additional mapped rule that must be applied
// after all attributes, since their mapped style depends on the values of multiple attributes.
addElementStyleProperties(m_state.styledElement()->additionalPresentationAttributeStyle());
if (m_state.styledElement()->isHTMLElement()) {
bool isAuto;
TextDirection textDirection = toHTMLElement(m_state.styledElement())->directionalityIfhasDirAutoAttribute(isAuto);
if (isAuto)
m_result.addMatchedProperties(textDirection == LTR ? leftToRightDeclaration() : rightToLeftDeclaration());
}
}
// Check the rules in author sheets next.
if (matchAuthorAndUserStyles)
matchAuthorRules(false);
// Now check our inline style attribute.
if (matchAuthorAndUserStyles && m_state.styledElement() && m_state.styledElement()->inlineStyle()) {
// Inline style is immutable as long as there is no CSSOM wrapper.
// FIXME: Media control shadow trees seem to have problems with caching.
bool isInlineStyleCacheable = !m_state.styledElement()->inlineStyle()->isMutable() && !m_state.styledElement()->isInShadowTree();
// FIXME: Constify.
addElementStyleProperties(m_state.styledElement()->inlineStyle(), isInlineStyleCacheable);
}
#if ENABLE(SVG)
// Now check SMIL animation override style.
if (includeSMILProperties && matchAuthorAndUserStyles && m_state.styledElement() && m_state.styledElement()->isSVGElement())
addElementStyleProperties(toSVGElement(m_state.styledElement())->animatedSMILStyleProperties(), false /* isCacheable */);
#else
UNUSED_PARAM(includeSMILProperties);
#endif
}
