134 lines
4.8 KiB
C++
134 lines
4.8 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
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* Copyright (C) 2013 Google Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include "RuleFeature.h"
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#include "RuleSet.h"
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#include "UserAgentStyle.h"
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#include <memory>
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#include <wtf/HashMap.h>
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#include <wtf/RefPtr.h>
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#include <wtf/Vector.h>
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namespace WebCore {
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class CSSStyleRule;
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class CSSStyleSheet;
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class ExtensionStyleSheets;
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class MediaQueryEvaluator;
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namespace Style {
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class InspectorCSSOMWrappers;
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class Resolver;
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struct InvalidationRuleSet {
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MatchElement matchElement;
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Ref<RuleSet> ruleSet;
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Vector<const CSSSelector*> invalidationSelectors;
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WTF_MAKE_FAST_ALLOCATED;
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};
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class ScopeRuleSets {
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public:
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ScopeRuleSets(Resolver&);
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~ScopeRuleSets();
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bool isAuthorStyleDefined() const { return m_isAuthorStyleDefined; }
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RuleSet* userAgentMediaQueryStyle() const;
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RuleSet& authorStyle() const { return *m_authorStyle; }
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RuleSet* userStyle() const;
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const RuleFeatureSet& features() const;
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RuleSet* sibling() const { return m_siblingRuleSet.get(); }
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RuleSet* uncommonAttribute() const { return m_uncommonAttributeRuleSet.get(); }
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const Vector<InvalidationRuleSet>* classInvalidationRuleSets(const AtomString& className) const;
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const Vector<InvalidationRuleSet>* attributeInvalidationRuleSets(const AtomString& attributeName) const;
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const Vector<InvalidationRuleSet>* pseudoClassInvalidationRuleSets(CSSSelector::PseudoClassType) const;
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bool hasComplexSelectorsForStyleAttribute() const;
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void setUsesSharedUserStyle(bool b) { m_usesSharedUserStyle = b; }
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void initializeUserStyle();
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void resetAuthorStyle();
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void appendAuthorStyleSheets(const Vector<RefPtr<CSSStyleSheet>>&, MediaQueryEvaluator*, Style::InspectorCSSOMWrappers&);
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void resetUserAgentMediaQueryStyle();
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bool hasViewportDependentMediaQueries() const;
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std::optional<DynamicMediaQueryEvaluationChanges> evaluateDynamicMediaQueryRules(const MediaQueryEvaluator&);
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RuleFeatureSet& mutableFeatures();
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bool& isInvalidatingStyleWithRuleSets() { return m_isInvalidatingStyleWithRuleSets; }
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private:
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void collectFeatures() const;
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void collectRulesFromUserStyleSheets(const Vector<RefPtr<CSSStyleSheet>>&, RuleSet& userStyle, const MediaQueryEvaluator&);
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void updateUserAgentMediaQueryStyleIfNeeded() const;
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RefPtr<RuleSet> m_authorStyle;
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mutable RefPtr<RuleSet> m_userAgentMediaQueryStyle;
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RefPtr<RuleSet> m_userStyle;
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Resolver& m_styleResolver;
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mutable RuleFeatureSet m_features;
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mutable RefPtr<RuleSet> m_siblingRuleSet;
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mutable RefPtr<RuleSet> m_uncommonAttributeRuleSet;
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mutable HashMap<AtomString, std::unique_ptr<Vector<InvalidationRuleSet>>> m_classInvalidationRuleSets;
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mutable HashMap<AtomString, std::unique_ptr<Vector<InvalidationRuleSet>>> m_attributeInvalidationRuleSets;
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mutable HashMap<CSSSelector::PseudoClassType, std::unique_ptr<Vector<InvalidationRuleSet>>, WTF::IntHash<CSSSelector::PseudoClassType>, WTF::StrongEnumHashTraits<CSSSelector::PseudoClassType>> m_pseudoClassInvalidationRuleSets;
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mutable std::optional<bool> m_cachedHasComplexSelectorsForStyleAttribute;
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mutable unsigned m_defaultStyleVersionOnFeatureCollection { 0 };
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mutable unsigned m_userAgentMediaQueryRuleCountOnUpdate { 0 };
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bool m_usesSharedUserStyle { false };
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bool m_isAuthorStyleDefined { false };
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// For catching <rdar://problem/53413013>
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bool m_isInvalidatingStyleWithRuleSets { false };
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};
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inline const RuleFeatureSet& ScopeRuleSets::features() const
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{
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if (m_defaultStyleVersionOnFeatureCollection < UserAgentStyle::defaultStyleVersion)
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collectFeatures();
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return m_features;
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}
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// FIXME: There should be just the const version.
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inline RuleFeatureSet& ScopeRuleSets::mutableFeatures()
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{
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if (m_defaultStyleVersionOnFeatureCollection < UserAgentStyle::defaultStyleVersion)
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collectFeatures();
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return m_features;
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}
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} // namespace Style
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} // namespace WebCore
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