1/*
2 * Copyright (C) 2002 Lars Knoll (knoll@kde.org)
3 * (C) 2002 Dirk Mueller (mueller@kde.org)
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#pragma once
22
23#include "LayoutUnit.h"
24#include "Length.h"
25#include "TableLayout.h"
26#include <wtf/Vector.h>
27
28namespace WebCore {
29
30class RenderTable;
31class RenderTableCell;
32
33class AutoTableLayout final : public TableLayout {
34public:
35 explicit AutoTableLayout(RenderTable*);
36 virtual ~AutoTableLayout();
37
38 void computeIntrinsicLogicalWidths(LayoutUnit& minWidth, LayoutUnit& maxWidth) override;
39 LayoutUnit scaledWidthFromPercentColumns() const override { return m_scaledWidthFromPercentColumns; }
40 void applyPreferredLogicalWidthQuirks(LayoutUnit& minWidth, LayoutUnit& maxWidth) const override;
41 void layout() override;
42
43private:
44 void fullRecalc();
45 void recalcColumn(unsigned effCol);
46
47 float calcEffectiveLogicalWidth();
48
49 void insertSpanCell(RenderTableCell*);
50
51 struct Layout {
52 Length logicalWidth;
53 Length effectiveLogicalWidth;
54 float minLogicalWidth { 0 };
55 float maxLogicalWidth { 0 };
56 float effectiveMinLogicalWidth { 0 };
57 float effectiveMaxLogicalWidth { 0 };
58 float computedLogicalWidth { 0 };
59 bool emptyCellsOnly { true };
60 };
61
62 Vector<Layout> m_layoutStruct;
63 Vector<RenderTableCell*> m_spanCells;
64 bool m_hasPercent : 1;
65 mutable bool m_effectiveLogicalWidthDirty : 1;
66 LayoutUnit m_scaledWidthFromPercentColumns;
67};
68
69} // namespace WebCore
70