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/*
* Copyright (C) 1997 Martin Jones (mjones@kde.org)
* (C) 1997 Torben Weis (weis@kde.org)
* (C) 1998 Waldo Bastian (bastian@kde.org)
* (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003-2025 Apple Inc. All rights reserved.
* Copyright (C) 2016 Google Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "RenderTableSection.h"
namespace WebCore {
static const unsigned unsetRowIndex = 0x7FFFFFFF;
static const unsigned maxRowIndex = 0x7FFFFFFE; // 2,147,483,646
class RenderTableRow final : public RenderBox {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(RenderTableRow);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RenderTableRow);
public:
RenderTableRow(Element&, RenderStyle&&);
RenderTableRow(Document&, RenderStyle&&);
virtual ~RenderTableRow();
RenderTableRow* nextRow() const;
RenderTableRow* previousRow() const;
RenderTableCell* firstCell() const;
RenderTableCell* lastCell() const;
RenderTable* table() const;
void paintOutlineForRowIfNeeded(PaintInfo&, const LayoutPoint&);
static RenderPtr<RenderTableRow> createAnonymousWithParentRenderer(const RenderTableSection&);
RenderPtr<RenderBox> createAnonymousBoxWithSameTypeAs(const RenderBox&) const override;
void setRowIndex(unsigned);
bool rowIndexWasSet() const { return m_rowIndex != unsetRowIndex; }
unsigned rowIndex() const;
inline const BorderValue& borderAdjoiningTableStart() const;
inline const BorderValue& borderAdjoiningTableEnd() const;
const BorderValue& borderAdjoiningStartCell(const RenderTableCell&) const;
const BorderValue& borderAdjoiningEndCell(const RenderTableCell&) const;
bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
RenderTableSection* section() const { return downcast<RenderTableSection>(parent()); }
void didInsertTableCell(RenderTableCell& child, RenderObject* beforeChild);
// Whether a row has opaque background depends on many factors, e.g. border spacing, border collapsing, missing cells, etc.
// For simplicity, just conservatively assume all table rows are not opaque.
bool foregroundIsKnownToBeOpaqueInRect(const LayoutRect&, unsigned) const override { return false; }
bool backgroundIsKnownToBeOpaqueInRect(const LayoutRect&) const override { return false; }
private:
static RenderPtr<RenderTableRow> createTableRowWithStyle(Document&, const RenderStyle&);
ASCIILiteral renderName() const override { return (isAnonymous() || isPseudoElement()) ? "RenderTableRow (anonymous)"_s : "RenderTableRow"_s; }
bool canHaveChildren() const override { return true; }
void willBeRemovedFromTree() override;
void layout() override;
LayoutRect clippedOverflowRect(const RenderLayerModelObject* repaintContainer, VisibleRectContext) const override;
RepaintRects rectsForRepaintingAfterLayout(const RenderLayerModelObject* repaintContainer, RepaintOutlineBounds) const override;
void computeIntrinsicLogicalWidths(LayoutUnit&, LayoutUnit&) const override { }
bool requiresLayer() const final;
void paint(PaintInfo&, const LayoutPoint&) override;
void imageChanged(WrappedImagePtr, const IntRect* = 0) override;
void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
void firstChild() const = delete;
void lastChild() const = delete;
void nextSibling() const = delete;
void previousSibling() const = delete;
unsigned m_rowIndex : 31;
};
inline void RenderTableRow::setRowIndex(unsigned rowIndex)
{
if (UNLIKELY(rowIndex > maxRowIndex))
CRASH();
m_rowIndex = rowIndex;
}
inline unsigned RenderTableRow::rowIndex() const
{
ASSERT(rowIndexWasSet());
return m_rowIndex;
}
inline RenderTable* RenderTableRow::table() const
{
RenderTableSection* section = this->section();
if (!section)
return nullptr;
return downcast<RenderTable>(section->parent());
}
inline RenderTableRow* RenderTableRow::nextRow() const
{
return downcast<RenderTableRow>(RenderBox::nextSibling());
}
inline RenderTableRow* RenderTableRow::previousRow() const
{
return downcast<RenderTableRow>(RenderBox::previousSibling());
}
inline RenderTableRow* RenderTableSection::firstRow() const
{
return downcast<RenderTableRow>(RenderBox::firstChild());
}
inline RenderTableRow* RenderTableSection::lastRow() const
{
return downcast<RenderTableRow>(RenderBox::lastChild());
}
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderTableRow, isRenderTableRow())
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