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/*
* Copyright (C) 2019 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 "RenderStyleConstants.h"
#include "TextSizeAdjustment.h"
#include <wtf/OptionSet.h>
namespace WebCore {
class Document;
class Element;
class EventTarget;
class RenderStyle;
class SVGElement;
class Settings;
enum class AnimationImpact : uint8_t;
namespace Style {
class Update;
class Adjuster {
public:
Adjuster(const Document&, const RenderStyle& parentStyle, const RenderStyle* parentBoxStyle, const Element*);
void adjust(RenderStyle&, const RenderStyle* userAgentAppearanceStyle) const;
void adjustAnimatedStyle(RenderStyle&, OptionSet<AnimationImpact>) const;
static void adjustSVGElementStyle(RenderStyle&, const SVGElement&);
static bool adjustEventListenerRegionTypesForRootStyle(RenderStyle&, const Document&);
static void propagateToDocumentElementAndInitialContainingBlock(Update&, const Document&);
static std::unique_ptr<RenderStyle> restoreUsedDocumentElementStyleToComputed(const RenderStyle&);
#if ENABLE(TEXT_AUTOSIZING)
struct AdjustmentForTextAutosizing {
std::optional<float> newFontSize;
std::optional<float> newLineHeight;
std::optional<AutosizeStatus> newStatus;
explicit operator bool() const { return newFontSize || newLineHeight || newStatus; }
};
static AdjustmentForTextAutosizing adjustmentForTextAutosizing(const RenderStyle&, const Element&);
static bool adjustForTextAutosizing(RenderStyle&, const Element&, AdjustmentForTextAutosizing);
static bool adjustForTextAutosizing(RenderStyle&, const Element&);
#endif
private:
void adjustDisplayContentsStyle(RenderStyle&) const;
void adjustForSiteSpecificQuirks(RenderStyle&) const;
void adjustThemeStyle(RenderStyle&, const RenderStyle* userAgentAppearanceStyle) const;
static OptionSet<EventListenerRegionType> computeEventListenerRegionTypes(const Document&, const RenderStyle&, const EventTarget&, OptionSet<EventListenerRegionType>);
const Document& m_document;
const RenderStyle& m_parentStyle;
const RenderStyle& m_parentBoxStyle;
const Element* m_element;
};
}
}
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