DocumentRuleSets.h [plain text]
#pragma once
#include "CSSDefaultStyleSheets.h"
#include "RuleFeature.h"
#include "RuleSet.h"
#include <memory>
#include <wtf/HashMap.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class CSSStyleRule;
class CSSStyleSheet;
class ExtensionStyleSheets;
class InspectorCSSOMWrappers;
class MediaQueryEvaluator;
class DocumentRuleSets {
public:
DocumentRuleSets(StyleResolver&);
~DocumentRuleSets();
bool isAuthorStyleDefined() const { return m_isAuthorStyleDefined; }
RuleSet* userAgentMediaQueryStyle() const;
RuleSet& authorStyle() const { return *m_authorStyle.get(); }
RuleSet* userStyle() const;
const RuleFeatureSet& features() const;
RuleSet* sibling() const { return m_siblingRuleSet.get(); }
RuleSet* uncommonAttribute() const { return m_uncommonAttributeRuleSet.get(); }
RuleSet* ancestorClassRules(const AtomicString& className) const;
struct AttributeRules {
WTF_MAKE_FAST_ALLOCATED;
public:
Vector<const CSSSelector*> attributeSelectors;
std::unique_ptr<RuleSet> ruleSet;
};
const AttributeRules* ancestorAttributeRulesForHTML(const AtomicString&) const;
void setIsForShadowScope() { m_isForShadowScope = true; }
void setUsesSharedUserStyle(bool b) { m_usesSharedUserStyle = b; }
void initializeUserStyle();
void resetAuthorStyle();
void appendAuthorStyleSheets(const Vector<RefPtr<CSSStyleSheet>>&, MediaQueryEvaluator*, InspectorCSSOMWrappers&, StyleResolver*);
void resetUserAgentMediaQueryStyle();
RuleFeatureSet& mutableFeatures();
private:
void collectFeatures() const;
void collectRulesFromUserStyleSheets(const Vector<RefPtr<CSSStyleSheet>>&, RuleSet& userStyle, const MediaQueryEvaluator&, StyleResolver&);
void updateUserAgentMediaQueryStyleIfNeeded() const;
bool m_isForShadowScope { false };
bool m_isAuthorStyleDefined { false };
std::unique_ptr<RuleSet> m_authorStyle;
mutable std::unique_ptr<RuleSet> m_userAgentMediaQueryStyle;
std::unique_ptr<RuleSet> m_userStyle;
bool m_usesSharedUserStyle { false };
StyleResolver& m_styleResolver;
mutable RuleFeatureSet m_features;
mutable unsigned m_defaultStyleVersionOnFeatureCollection { 0 };
mutable unsigned m_userAgentMediaQueryRuleCountOnUpdate { 0 };
mutable std::unique_ptr<RuleSet> m_siblingRuleSet;
mutable std::unique_ptr<RuleSet> m_uncommonAttributeRuleSet;
mutable HashMap<AtomicString, std::unique_ptr<RuleSet>> m_ancestorClassRuleSets;
mutable HashMap<AtomicString, std::unique_ptr<AttributeRules>> m_ancestorAttributeRuleSetsForHTML;
};
inline const RuleFeatureSet& DocumentRuleSets::features() const
{
if (m_defaultStyleVersionOnFeatureCollection < CSSDefaultStyleSheets::defaultStyleVersion)
collectFeatures();
return m_features;
}
inline RuleFeatureSet& DocumentRuleSets::mutableFeatures()
{
if (m_defaultStyleVersionOnFeatureCollection < CSSDefaultStyleSheets::defaultStyleVersion)
collectFeatures();
return m_features;
}
}