Source/WebCore/layout/formattingContexts/FormattingQuirks.h

/*
 * Copyright (C) 2021 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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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 */

#pragma once

#if ENABLE(LAYOUT_FORMATTING_CONTEXT)

#include "FormattingContext.h"

namespace WebCore {
namespace Layout {

class FormattingQuirks {
public:
    FormattingQuirks(const FormattingContext&);
    virtual ~FormattingQuirks() = default;

    virtual LayoutUnit heightValueOfNearestContainingBlockWithFixedHeight(const Box&) const;

    bool isBlockFormattingQuirks() const { return formattingContext().isBlockFormattingContext(); }
    bool isInlineFormattingQuirks() const { return formattingContext().isInlineFormattingContext(); }
    bool isTableFormattingQuirks() const { return formattingContext().isTableFormattingContext(); }

protected:
    const LayoutState& layoutState() const { return m_formattingContext.layoutState(); }
    const FormattingContext& formattingContext() const { return m_formattingContext; }

    const FormattingContext& m_formattingContext;
};

}
}

#define SPECIALIZE_TYPE_TRAITS_LAYOUT_FORMATTING_QUIRKS(ToValueTypeName, predicate) \
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::Layout::ToValueTypeName) \
    static bool isType(const WebCore::Layout::FormattingQuirks& formattingQuirks) { return formattingQuirks.predicate; } \
SPECIALIZE_TYPE_TRAITS_END()

#endif