97 lines
3.5 KiB
C++
97 lines
3.5 KiB
C++
/*
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* Copyright (C) 2012, 2014, 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 <wtf/Forward.h>
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#include <wtf/HashMap.h>
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namespace WebCore {
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class Document;
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class Element;
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class MediaQueryEvaluator;
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class Scope;
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class SelectorFilter;
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class ShadowRoot;
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class StyleSheetContents;
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namespace Style {
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struct InvalidationRuleSet;
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class Invalidator {
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public:
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Invalidator(const Vector<StyleSheetContents*>&, const MediaQueryEvaluator&);
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Invalidator(const InvalidationRuleSetVector&);
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~Invalidator();
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bool dirtiesAllStyle() const { return m_dirtiesAllStyle; }
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void invalidateStyle(Document&);
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void invalidateStyle(Scope&);
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void invalidateStyle(ShadowRoot&);
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void invalidateStyle(Element&);
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static void invalidateShadowParts(ShadowRoot&);
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using MatchElementRuleSets = HashMap<MatchElement, InvalidationRuleSetVector, WTF::IntHash<MatchElement>, WTF::StrongEnumHashTraits<MatchElement>>;
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static void addToMatchElementRuleSets(Invalidator::MatchElementRuleSets&, const InvalidationRuleSet&);
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static void invalidateWithMatchElementRuleSets(Element&, const MatchElementRuleSets&);
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static void invalidateAllStyle(Scope&);
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static void invalidateHostAndSlottedStyleIfNeeded(ShadowRoot&);
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private:
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enum class CheckDescendants { Yes, No };
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CheckDescendants invalidateIfNeeded(Element&, const SelectorFilter*);
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void invalidateStyleForTree(Element&, SelectorFilter*);
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void invalidateStyleForDescendants(Element&, SelectorFilter*);
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void invalidateInShadowTreeIfNeeded(Element&);
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void invalidateShadowPseudoElements(ShadowRoot&);
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void invalidateStyleWithMatchElement(Element&, MatchElement);
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struct RuleInformation {
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bool hasSlottedPseudoElementRules { false };
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bool hasHostPseudoClassRules { false };
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bool hasShadowPseudoElementRules { false };
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bool hasCuePseudoElementRules { false };
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bool hasPartPseudoElementRules { false };
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};
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RuleInformation collectRuleInformation();
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RefPtr<RuleSet> m_ownedRuleSet;
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const InvalidationRuleSetVector m_ruleSets;
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RuleInformation m_ruleInformation;
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bool m_dirtiesAllStyle { false };
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bool m_didInvalidateHostChildren { false };
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};
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}
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}
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