ElementRuleCollector.h [plain text]
#ifndef ElementRuleCollector_h
#define ElementRuleCollector_h
#include "MediaQueryEvaluator.h"
#include "SelectorChecker.h"
#include "StyleResolver.h"
#include <memory>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class DocumentRuleSets;
class MatchRequest;
class RenderRegion;
class RuleData;
class RuleSet;
class SelectorFilter;
class ElementRuleCollector {
public:
ElementRuleCollector(Element& element, RenderStyle* style, const DocumentRuleSets& ruleSets, const SelectorFilter& selectorFilter)
: m_element(element)
, m_style(style)
, m_ruleSets(ruleSets)
, m_selectorFilter(selectorFilter)
, m_isPrintStyle(false)
, m_regionForStyling(0)
, m_pseudoStyleRequest(NOPSEUDO)
, m_sameOriginOnly(false)
, m_mode(SelectorChecker::Mode::ResolvingStyle)
, m_canUseFastReject(m_selectorFilter.parentStackIsConsistent(element.parentNode()))
{
}
void matchAllRules(bool matchAuthorAndUserStyles, bool includeSMILProperties);
void matchUARules();
void matchAuthorRules(bool includeEmptyRules);
void matchUserRules(bool includeEmptyRules);
void setMode(SelectorChecker::Mode mode) { m_mode = mode; }
void setPseudoStyleRequest(const PseudoStyleRequest& request) { m_pseudoStyleRequest = request; }
void setSameOriginOnly(bool f) { m_sameOriginOnly = f; }
void setRegionForStyling(RenderRegion* regionForStyling) { m_regionForStyling = regionForStyling; }
void setMedium(const MediaQueryEvaluator* medium) { m_isPrintStyle = medium->mediaTypeMatchSpecific("print"); }
bool hasAnyMatchingRules(RuleSet*);
StyleResolver::MatchResult& matchedResult();
const Vector<RefPtr<StyleRule>>& matchedRuleList() const;
bool hasMatchedRules() const { return m_matchedRules && !m_matchedRules->isEmpty(); }
void clearMatchedRules();
private:
void addElementStyleProperties(const StyleProperties*, bool isCacheable = true);
void matchUARules(RuleSet*);
void collectMatchingRules(const MatchRequest&, StyleResolver::RuleRange&);
void collectMatchingRulesForRegion(const MatchRequest&, StyleResolver::RuleRange&);
void collectMatchingRulesForList(const Vector<RuleData>*, const MatchRequest&, StyleResolver::RuleRange&);
bool ruleMatches(const RuleData&);
void sortMatchedRules();
void sortAndTransferMatchedRules();
void addMatchedRule(const RuleData*);
Element& m_element;
RenderStyle* m_style;
const DocumentRuleSets& m_ruleSets;
const SelectorFilter& m_selectorFilter;
bool m_isPrintStyle;
RenderRegion* m_regionForStyling;
PseudoStyleRequest m_pseudoStyleRequest;
bool m_sameOriginOnly;
SelectorChecker::Mode m_mode;
bool m_canUseFastReject;
std::unique_ptr<Vector<const RuleData*, 32>> m_matchedRules;
Vector<RefPtr<StyleRule>> m_matchedRuleList;
StyleResolver::MatchResult m_result;
};
}
#endif // ElementRuleCollector_h