Source/WebCore/layout/formattingContexts/block/BlockFormattingGeometry.h

/*
 * Copyright (C) 2021 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#pragma once

#if ENABLE(LAYOUT_FORMATTING_CONTEXT)

#include "FormattingGeometry.h"

namespace WebCore {
namespace Layout {

class BlockFormattingContext;

class BlockFormattingContext;

// This class implements positioning and sizing for boxes participating in a block formatting context.
class BlockFormattingGeometry : public FormattingGeometry {
public:
    BlockFormattingGeometry(const BlockFormattingContext&);

    ContentHeightAndMargin inFlowContentHeightAndMargin(const Box&, const HorizontalConstraints&, const OverriddenVerticalValues&) const;
    ContentWidthAndMargin inFlowContentWidthAndMargin(const Box&, const HorizontalConstraints&, const OverriddenHorizontalValues&) const;

    LayoutUnit staticVerticalPosition(const Box&, LayoutUnit containingBlockContentBoxTop) const;
    LayoutUnit staticHorizontalPosition(const Box&, const HorizontalConstraints&) const;

    IntrinsicWidthConstraints intrinsicWidthConstraints(const Box&) const;

    ContentWidthAndMargin computedContentWidthAndMargin(const Box&, const HorizontalConstraints&, std::optional<LayoutUnit> availableWidthFloatAvoider) const;

private:
    ContentHeightAndMargin inFlowNonReplacedContentHeightAndMargin(const Box&, const HorizontalConstraints&, const OverriddenVerticalValues&) const;
    ContentWidthAndMargin inFlowNonReplacedContentWidthAndMargin(const Box&, const HorizontalConstraints&, const OverriddenHorizontalValues&) const;
    ContentWidthAndMargin inFlowReplacedContentWidthAndMargin(const ReplacedBox&, const HorizontalConstraints&, const OverriddenHorizontalValues&) const;

    const BlockFormattingContext& formattingContext() const { return downcast<BlockFormattingContext>(FormattingGeometry::formattingContext()); }
};

}
}

SPECIALIZE_TYPE_TRAITS_LAYOUT_FORMATTING_GEOMETRY(BlockFormattingGeometry, isBlockFormattingGeometry())

#endif