Source/WebCore/css/CSSToLengthConversionData.cpp

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 * Copyright (C) 2026 Samuel Weinig <sam@webkit.org>
 *
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 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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#include "config.h"
#include "CSSToLengthConversionData.h"

#include "DocumentView.h"
#include "RenderView.h"
#include "StyleBuilderState.h"

namespace WebCore {

CSSToLengthConversionData::CSSToLengthConversionData(const CSSToLengthConversionData&) = default;
CSSToLengthConversionData::CSSToLengthConversionData(CSSToLengthConversionData&&) = default;

// FIXME: Only rely on the RenderView for style resolution if we have an active LocalFrameView.
static RenderView* NODELETE renderViewForDocument(const Document& document)
{
    if (document.view()) [[likely]]
        return document.renderView();
    return nullptr;
}

CSSToLengthConversionData::CSSToLengthConversionData(const Style::ComputedStyle& style, Style::BuilderState& builderState)
    : m_style(style)
    , m_rootStyle(builderState.rootElementStyle())
    , m_parentStyle(&builderState.parentStyle())
    , m_renderView(renderViewForDocument(builderState.document()))
    , m_elementForContainerUnitResolution(builderState.element())
    , m_styleBuilderState(&builderState)
{
}

CSSToLengthConversionData::CSSToLengthConversionData(const Style::ComputedStyle& style, const Style::ComputedStyle* rootStyle, const Style::ComputedStyle* parentStyle, const RenderView* renderView, const Element* elementForContainerUnitResolution)
    : m_style(style)
    , m_rootStyle(rootStyle)
    , m_parentStyle(parentStyle)
    , m_renderView(renderView)
    , m_elementForContainerUnitResolution(elementForContainerUnitResolution)
{
}

CSSToLengthConversionData::~CSSToLengthConversionData() = default;

} // namespace WebCore