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 #ifndef AutoTableLayout_h 22 #define AutoTableLayout_h 23 24 #include "core/rendering/TableLayout.h" 25 #include "platform/LayoutUnit.h" 26 #include "platform/Length.h" 27 #include "wtf/Vector.h" 28 29 namespace WebCore { 30 31 class RenderTable; 32 class RenderTableCell; 33 34 class AutoTableLayout FINAL : public TableLayout { 35 public: 36 AutoTableLayout(RenderTable*); 37 ~AutoTableLayout(); 38 39 virtual void computeIntrinsicLogicalWidths(LayoutUnit& minWidth, LayoutUnit& maxWidth) OVERRIDE; 40 virtual void applyPreferredLogicalWidthQuirks(LayoutUnit& minWidth, LayoutUnit& maxWidth) const OVERRIDE; 41 virtual void layout() OVERRIDE; willChangeTableLayout()42 virtual void willChangeTableLayout() OVERRIDE { } 43 44 private: 45 void fullRecalc(); 46 void recalcColumn(unsigned effCol); 47 48 int calcEffectiveLogicalWidth(); 49 50 void insertSpanCell(RenderTableCell*); 51 52 struct Layout { LayoutLayout53 Layout() 54 : minLogicalWidth(0) 55 , maxLogicalWidth(0) 56 , effectiveMinLogicalWidth(0) 57 , effectiveMaxLogicalWidth(0) 58 , computedLogicalWidth(0) 59 , emptyCellsOnly(true) 60 { 61 } 62 63 Length logicalWidth; 64 Length effectiveLogicalWidth; 65 int minLogicalWidth; 66 int maxLogicalWidth; 67 int effectiveMinLogicalWidth; 68 int effectiveMaxLogicalWidth; 69 int computedLogicalWidth; 70 bool emptyCellsOnly; 71 }; 72 73 Vector<Layout, 4> m_layoutStruct; 74 Vector<RenderTableCell*, 4> m_spanCells; 75 bool m_hasPercent : 1; 76 mutable bool m_effectiveLogicalWidthDirty : 1; 77 }; 78 79 } // namespace WebCore 80 81 #endif // AutoTableLayout_h 82