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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
#if ENABLE(LAYOUT_FORMATTING_CONTEXT)
#include "FormattingContext.h"
#include "TableGrid.h"
#include <wtf/IsoMalloc.h>
namespace WebCore {
namespace Layout {
class TableFormattingState;
// This class implements the layout logic for table formatting contexts.
// https://www.w3.org/TR/CSS22/tables.html
class TableFormattingContext : public FormattingContext {
WTF_MAKE_ISO_ALLOCATED(TableFormattingContext);
public:
TableFormattingContext(const Container& formattingContextRoot, TableFormattingState&);
void layoutInFlowContent() override;
private:
class Geometry : public FormattingContext::Geometry {
public:
HeightAndMargin tableCellHeightAndMargin(const Box&) const;
private:
friend class TableFormattingContext;
Geometry(const TableFormattingContext&);
const TableFormattingContext& formattingContext() const { return downcast<TableFormattingContext>(FormattingContext::Geometry::formattingContext()); }
};
TableFormattingContext::Geometry geometry() const { return Geometry(*this); }
IntrinsicWidthConstraints computedIntrinsicWidthConstraints() override;
LayoutUnit computedTableWidth();
void layoutTableCellBox(const Box& cellLayoutBox, const TableGrid::Column&);
void positionTableCells();
void setComputedGeometryForRows();
void setComputedGeometryForSections();
void ensureTableGrid();
void computePreferredWidthForColumns();
void distributeAvailableWidth(LayoutUnit extraHorizontalSpace);
enum class WidthConstraintsType { Minimum, Maximum };
void useAsContentLogicalWidth(WidthConstraintsType);
void initializeDisplayBoxToBlank(Display::Box&) const;
const TableFormattingState& formattingState() const { return downcast<TableFormattingState>(FormattingContext::formattingState()); }
TableFormattingState& formattingState() { return downcast<TableFormattingState>(FormattingContext::formattingState()); }
};
inline TableFormattingContext::Geometry::Geometry(const TableFormattingContext& tableFormattingContext)
: FormattingContext::Geometry(tableFormattingContext)
{
}
}
}
SPECIALIZE_TYPE_TRAITS_LAYOUT_FORMATTING_CONTEXT(TableFormattingContext, isTableFormattingContext())
#endif