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/*
* Copyright (C) 2019-2023 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. AND ITS CONTRIBUTORS ``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 ITS 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 "CSSToLengthConversionData.h"
#include "CSSToStyleMap.h"
#include "CascadeLevel.h"
#include "PositionTryFallback.h"
#include "PropertyCascade.h"
#include "RuleSet.h"
#include "SelectorChecker.h"
#include "StyleForVisitedLink.h"
#include <wtf/BitSet.h>
namespace WebCore {
class FilterOperations;
class FontCascadeDescription;
class RenderStyle;
class StyleImage;
class StyleResolver;
namespace Calculation {
class RandomKeyMap;
}
namespace CSS {
struct AppleColorFilterProperty;
struct FilterProperty;
}
namespace Style {
class Builder;
class BuilderState;
struct Color;
void maybeUpdateFontForLetterSpacing(BuilderState&, CSSValue&);
enum class ApplyValueType : uint8_t { Value, Initial, Inherit };
struct BuilderContext {
Ref<const Document> document;
const RenderStyle& parentStyle;
const RenderStyle* rootElementStyle = nullptr;
RefPtr<const Element> element = nullptr;
std::optional<PositionTryFallback> positionTryFallback { };
};
class BuilderState {
public:
BuilderState(Builder&, RenderStyle&, BuilderContext&&);
Builder& builder() { return m_builder; }
RenderStyle& style() { return m_style; }
const RenderStyle& style() const { return m_style; }
const RenderStyle& parentStyle() const { return m_context.parentStyle; }
const RenderStyle* rootElementStyle() const { return m_context.rootElementStyle; }
const Document& document() const { return m_context.document.get(); }
const Element* element() const { return m_context.element.get(); }
inline void setFontDescription(FontCascadeDescription&&);
void setFontSize(FontCascadeDescription&, float size);
inline void setZoom(float);
inline void setUsedZoom(float);
inline void setWritingMode(StyleWritingMode);
inline void setTextOrientation(TextOrientation);
bool fontDirty() const { return m_fontDirty; }
void setFontDirty() { m_fontDirty = true; }
inline const FontCascadeDescription& fontDescription();
inline const FontCascadeDescription& parentFontDescription();
bool applyPropertyToRegularStyle() const { return m_linkMatch != SelectorChecker::MatchVisited; }
bool applyPropertyToVisitedLinkStyle() const { return m_linkMatch != SelectorChecker::MatchLink; }
bool useSVGZoomRules() const;
bool useSVGZoomRulesForLength() const;
ScopeOrdinal styleScopeOrdinal() const { return m_currentProperty->styleScopeOrdinal; }
RefPtr<StyleImage> createStyleImage(const CSSValue&) const;
FilterOperations createFilterOperations(const CSS::FilterProperty&) const;
FilterOperations createFilterOperations(const CSSValue&) const;
FilterOperations createAppleColorFilterOperations(const CSS::AppleColorFilterProperty&) const;
FilterOperations createAppleColorFilterOperations(const CSSValue&) const;
Color createStyleColor(const CSSValue&, ForVisitedLink = ForVisitedLink::No) const;
const Vector<AtomString>& registeredContentAttributes() const { return m_registeredContentAttributes; }
void registerContentAttribute(const AtomString& attributeLocalName);
const CSSToLengthConversionData& cssToLengthConversionData() const { return m_cssToLengthConversionData; }
CSSToStyleMap& styleMap() { return m_styleMap; }
void setIsBuildingKeyframeStyle() { m_isBuildingKeyframeStyle = true; }
bool isAuthorOrigin() const
{
return m_currentProperty && m_currentProperty->cascadeLevel == CascadeLevel::Author;
}
CSSPropertyID cssPropertyID() const;
bool isCurrentPropertyInvalidAtComputedValueTime() const;
void setCurrentPropertyInvalidAtComputedValueTime();
Ref<Calculation::RandomKeyMap> randomKeyMap(bool perElement) const;
const std::optional<PositionTryFallback>& positionTryFallback() const { return m_context.positionTryFallback; }
private:
// See the comment in maybeUpdateFontForLetterSpacing() about why this needs to be a friend.
friend void maybeUpdateFontForLetterSpacing(BuilderState&, CSSValue&);
friend class Builder;
void adjustStyleForInterCharacterRuby();
void updateFont();
#if ENABLE(TEXT_AUTOSIZING)
void updateFontForTextSizeAdjust();
#endif
void updateFontForZoomChange();
void updateFontForGenericFamilyChange();
void updateFontForOrientationChange();
Builder& m_builder;
CSSToStyleMap m_styleMap;
RenderStyle& m_style;
const BuilderContext m_context;
const CSSToLengthConversionData m_cssToLengthConversionData;
UncheckedKeyHashSet<AtomString> m_appliedCustomProperties;
UncheckedKeyHashSet<AtomString> m_inProgressCustomProperties;
UncheckedKeyHashSet<AtomString> m_inCycleCustomProperties;
WTF::BitSet<cssPropertyIDEnumValueCount> m_inProgressProperties;
WTF::BitSet<cssPropertyIDEnumValueCount> m_invalidAtComputedValueTimeProperties;
const PropertyCascade::Property* m_currentProperty { nullptr };
SelectorChecker::LinkMatchMask m_linkMatch { };
bool m_fontDirty { false };
Vector<AtomString> m_registeredContentAttributes;
bool m_isBuildingKeyframeStyle { false };
};
} // namespace Style
} // namespace WebCore
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