StyleScopeRuleSets.h [plain text]
#pragma once
#include "RuleFeature.h"
#include "RuleSet.h"
#include "UserAgentStyle.h"
#include <memory>
#include <wtf/HashMap.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class CSSStyleRule;
class CSSStyleSheet;
class ExtensionStyleSheets;
class MediaQueryEvaluator;
namespace Style {
class InspectorCSSOMWrappers;
class Resolver;
struct InvalidationRuleSet {
MatchElement matchElement;
Ref<RuleSet> ruleSet;
Vector<const CSSSelector*> invalidationSelectors;
WTF_MAKE_FAST_ALLOCATED;
};
class ScopeRuleSets {
public:
ScopeRuleSets(Resolver&);
~ScopeRuleSets();
bool isAuthorStyleDefined() const { return m_isAuthorStyleDefined; }
RuleSet* userAgentMediaQueryStyle() const;
RuleSet& authorStyle() const { return *m_authorStyle; }
RuleSet* userStyle() const;
const RuleFeatureSet& features() const;
RuleSet* sibling() const { return m_siblingRuleSet.get(); }
RuleSet* uncommonAttribute() const { return m_uncommonAttributeRuleSet.get(); }
const Vector<InvalidationRuleSet>* classInvalidationRuleSets(const AtomString& className) const;
const Vector<InvalidationRuleSet>* attributeInvalidationRuleSets(const AtomString& attributeName) const;
const Vector<InvalidationRuleSet>* pseudoClassInvalidationRuleSets(CSSSelector::PseudoClassType) const;
bool hasComplexSelectorsForStyleAttribute() const;
void setIsForShadowScope() { m_isForShadowScope = true; }
void setUsesSharedUserStyle(bool b) { m_usesSharedUserStyle = b; }
void initializeUserStyle();
void resetAuthorStyle();
void appendAuthorStyleSheets(const Vector<RefPtr<CSSStyleSheet>>&, MediaQueryEvaluator*, Style::InspectorCSSOMWrappers&);
void resetUserAgentMediaQueryStyle();
bool hasViewportDependentMediaQueries() const;
Optional<DynamicMediaQueryEvaluationChanges> evaluateDynamicMediaQueryRules(const MediaQueryEvaluator&);
RuleFeatureSet& mutableFeatures();
bool& isInvalidatingStyleWithRuleSets() { return m_isInvalidatingStyleWithRuleSets; }
private:
void collectFeatures() const;
void collectRulesFromUserStyleSheets(const Vector<RefPtr<CSSStyleSheet>>&, RuleSet& userStyle, const MediaQueryEvaluator&);
void updateUserAgentMediaQueryStyleIfNeeded() const;
RefPtr<RuleSet> m_authorStyle;
mutable RefPtr<RuleSet> m_userAgentMediaQueryStyle;
RefPtr<RuleSet> m_userStyle;
Resolver& m_styleResolver;
mutable RuleFeatureSet m_features;
mutable RefPtr<RuleSet> m_siblingRuleSet;
mutable RefPtr<RuleSet> m_uncommonAttributeRuleSet;
mutable HashMap<AtomString, std::unique_ptr<Vector<InvalidationRuleSet>>> m_classInvalidationRuleSets;
mutable HashMap<AtomString, std::unique_ptr<Vector<InvalidationRuleSet>>> m_attributeInvalidationRuleSets;
mutable HashMap<CSSSelector::PseudoClassType, std::unique_ptr<Vector<InvalidationRuleSet>>, WTF::IntHash<CSSSelector::PseudoClassType>, WTF::StrongEnumHashTraits<CSSSelector::PseudoClassType>> m_pseudoClassInvalidationRuleSets;
mutable Optional<bool> m_cachedHasComplexSelectorsForStyleAttribute;
mutable unsigned m_defaultStyleVersionOnFeatureCollection { 0 };
mutable unsigned m_userAgentMediaQueryRuleCountOnUpdate { 0 };
bool m_usesSharedUserStyle { false };
bool m_isForShadowScope { false };
bool m_isAuthorStyleDefined { false };
bool m_isInvalidatingStyleWithRuleSets { false };
};
inline const RuleFeatureSet& ScopeRuleSets::features() const
{
if (m_defaultStyleVersionOnFeatureCollection < UserAgentStyle::defaultStyleVersion)
collectFeatures();
return m_features;
}
inline RuleFeatureSet& ScopeRuleSets::mutableFeatures()
{
if (m_defaultStyleVersionOnFeatureCollection < UserAgentStyle::defaultStyleVersion)
collectFeatures();
return m_features;
}
} }