Source/WebCore/layout/blockformatting/tablewrapper/TableWrapperBlockFormattingContext.h

/*
 * Copyright (C) 2020 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
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 */

#pragma once

#if ENABLE(LAYOUT_FORMATTING_CONTEXT)

#include "BlockFormattingContext.h"
#include <wtf/IsoMalloc.h>

namespace WebCore {
namespace Layout {

// This class implements the special block formatting context layout logic for the table wrapper.
// https://www.w3.org/TR/CSS22/tables.html#model
class TableWrapperBlockFormattingContext final : public BlockFormattingContext {
    WTF_MAKE_ISO_ALLOCATED(TableWrapperBlockFormattingContext);
public:
    TableWrapperBlockFormattingContext(const ContainerBox& formattingContextRoot, BlockFormattingState&);

    void layoutInFlowContent(InvalidationState&, const ConstraintsForInFlowContent&) final;

    void setHorizontalConstraintsIgnoringFloats(const HorizontalConstraints& horizontalConstraints) { m_horizontalConstraintsIgnoringFloats = horizontalConstraints; }

private:
    class Quirks : public BlockFormattingContext::Quirks {
    public:
        Quirks(const TableWrapperBlockFormattingContext&);

        Optional<LayoutUnit> overrideTableHeight(const ContainerBox& tableBox) const;
    };
    TableWrapperBlockFormattingContext::Quirks quirks() const { return Quirks(*this); }

    void layoutTableBox(const ContainerBox& tableBox, const ConstraintsForInFlowContent&);

    void computeBorderAndPaddingForTableBox(const ContainerBox&, const HorizontalConstraints&);
    void computeWidthAndMarginForTableBox(const ContainerBox&, const HorizontalConstraints&);
    void computeHeightAndMarginForTableBox(const ContainerBox&, const ConstraintsForInFlowContent&);

private:
    HorizontalConstraints m_horizontalConstraintsIgnoringFloats;
};

inline TableWrapperBlockFormattingContext::Quirks::Quirks(const TableWrapperBlockFormattingContext& formattingContext)
    : BlockFormattingContext::Quirks(formattingContext)
{
}

}
}

SPECIALIZE_TYPE_TRAITS_LAYOUT_FORMATTING_CONTEXT(TableWrapperBlockFormattingContext, isTableWrapperBlockFormattingContext())

#endif