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/*
* Copyright (C) 2012, 2014, 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "RuleFeature.h"
#include <wtf/Forward.h>
namespace WebCore {
class Document;
class Element;
class MediaQueryEvaluator;
class RuleSet;
class SelectorFilter;
class ShadowRoot;
class StyleSheetContents;
namespace Style {
class Invalidator {
public:
Invalidator(const Vector<StyleSheetContents*>&, const MediaQueryEvaluator&);
Invalidator(const RuleSet&);
bool dirtiesAllStyle() const { return m_dirtiesAllStyle; }
bool hasShadowPseudoElementRulesInAuthorSheet() const { return m_hasShadowPseudoElementRulesInAuthorSheet; }
void invalidateStyle(Document&);
void invalidateStyle(ShadowRoot&);
void invalidateStyle(Element&);
void invalidateStyleWithMatchElement(Element&, MatchElement);
private:
enum class CheckDescendants { Yes, No };
CheckDescendants invalidateIfNeeded(Element&, const SelectorFilter*);
void invalidateStyleForTree(Element&, SelectorFilter*);
void invalidateStyleForDescendants(Element&, SelectorFilter*);
std::unique_ptr<RuleSet> m_ownedRuleSet;
const RuleSet& m_ruleSet;
bool m_dirtiesAllStyle { false };
bool m_hasShadowPseudoElementRulesInAuthorSheet { false };
bool m_didInvalidateHostChildren { false };
};
}
}