Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 287 insertions, 0 deletions

diff --git a/Source/WebCore/rendering/RenderTable.h b/Source/WebCore/rendering/RenderTable.h
new file mode 100644
index 0000000..6afb108
--- /dev/null
+++ b/Source/WebCore/rendering/RenderTable.h
@@ -0,0 +1,287 @@
+/*
+ * 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, 2004, 2005, 2006, 2009, 2010 Apple 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.
+ */
+
+#ifndef RenderTable_h
+#define RenderTable_h
+
+#include "CSSPropertyNames.h"
+#include "RenderBlock.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class RenderTableCol;
+class RenderTableCell;
+class RenderTableSection;
+class TableLayout;
+
+class RenderTable : public RenderBlock {
+public:
+    explicit RenderTable(Node*);
+    virtual ~RenderTable();
+
+    int getColumnPos(int col) const { return m_columnPos[col]; }
+
+    int hBorderSpacing() const { return m_hSpacing; }
+    int vBorderSpacing() const { return m_vSpacing; }
+    
+    bool collapseBorders() const { return style()->borderCollapse(); }
+
+    int borderStart() const { return m_borderStart; }
+    int borderEnd() const { return m_borderEnd; }
+    int borderBefore() const;
+    int borderAfter() const;
+
+    int borderLeft() const
+    {
+        if (style()->isHorizontalWritingMode())
+            return style()->isLeftToRightDirection() ? borderStart() : borderEnd();
+        return style()->isFlippedBlocksWritingMode() ? borderAfter() : borderBefore();
+    }
+
+    int borderRight() const
+    {
+        if (style()->isHorizontalWritingMode())
+            return style()->isLeftToRightDirection() ? borderEnd() : borderStart();
+        return style()->isFlippedBlocksWritingMode() ? borderBefore() : borderAfter();
+    }
+
+    int borderTop() const
+    {
+        if (style()->isHorizontalWritingMode())
+            return style()->isFlippedBlocksWritingMode() ? borderAfter() : borderBefore();
+        return style()->isLeftToRightDirection() ? borderStart() : borderEnd();
+    }
+
+    int borderBottom() const
+    {
+        if (style()->isHorizontalWritingMode())
+            return style()->isFlippedBlocksWritingMode() ? borderBefore() : borderAfter();
+        return style()->isLeftToRightDirection() ? borderEnd() : borderStart();
+    }
+
+    const Color bgColor() const { return style()->visitedDependentColor(CSSPropertyBackgroundColor); }
+
+    int outerBorderBefore() const;
+    int outerBorderAfter() const;
+    int outerBorderStart() const;
+    int outerBorderEnd() const;
+
+    int outerBorderLeft() const
+    {
+        if (style()->isHorizontalWritingMode())
+            return style()->isLeftToRightDirection() ? outerBorderStart() : outerBorderEnd();
+        return style()->isFlippedBlocksWritingMode() ? outerBorderAfter() : outerBorderBefore();
+    }
+
+    int outerBorderRight() const
+    {
+        if (style()->isHorizontalWritingMode())
+            return style()->isLeftToRightDirection() ? outerBorderEnd() : outerBorderStart();
+        return style()->isFlippedBlocksWritingMode() ? outerBorderBefore() : outerBorderAfter();
+    }
+
+    int outerBorderTop() const
+    {
+        if (style()->isHorizontalWritingMode())
+            return style()->isFlippedBlocksWritingMode() ? outerBorderAfter() : outerBorderBefore();
+        return style()->isLeftToRightDirection() ? outerBorderStart() : outerBorderEnd();
+    }
+
+    int outerBorderBottom() const
+    {
+        if (style()->isHorizontalWritingMode())
+            return style()->isFlippedBlocksWritingMode() ? outerBorderBefore() : outerBorderAfter();
+        return style()->isLeftToRightDirection() ? outerBorderEnd() : outerBorderStart();
+    }
+
+    int calcBorderStart() const;
+    int calcBorderEnd() const;
+    void recalcBordersInRowDirection();
+
+    virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0);
+
+    struct ColumnStruct {
+        enum {
+            WidthUndefined = 0xffff
+        };
+
+        ColumnStruct()
+            : span(1)
+            , width(WidthUndefined)
+        {
+        }
+
+        unsigned span;
+        unsigned width; // the calculated position of the column
+    };
+
+    Vector<ColumnStruct>& columns() { return m_columns; }
+    Vector<int>& columnPositions() { return m_columnPos; }
+    RenderTableSection* header() const { return m_head; }
+    RenderTableSection* footer() const { return m_foot; }
+    RenderTableSection* firstBody() const { return m_firstBody; }
+
+    void splitColumn(int pos, int firstSpan);
+    void appendColumn(int span);
+    int numEffCols() const { return m_columns.size(); }
+    int spanOfEffCol(int effCol) const { return m_columns[effCol].span; }
+    
+    int colToEffCol(int col) const
+    {
+        int i = 0;
+        int effCol = numEffCols();
+        for (int c = 0; c < col && i < effCol; ++i)
+            c += m_columns[i].span;
+        return i;
+    }
+    
+    int effColToCol(int effCol) const
+    {
+        int c = 0;
+        for (int i = 0; i < effCol; i++)
+            c += m_columns[i].span;
+        return c;
+    }
+
+    int bordersPaddingAndSpacingInRowDirection() const
+    {
+        return borderStart() + borderEnd() +
+               (collapseBorders() ? 0 : (paddingStart() + paddingEnd() + (numEffCols() + 1) * hBorderSpacing()));
+    }
+
+    RenderTableCol* colElement(int col, bool* startEdge = 0, bool* endEdge = 0) const;
+    RenderTableCol* nextColElement(RenderTableCol* current) const;
+
+    bool needsSectionRecalc() const { return m_needsSectionRecalc; }
+    void setNeedsSectionRecalc()
+    {
+        if (documentBeingDestroyed())
+            return;
+        m_needsSectionRecalc = true;
+        setNeedsLayout(true);
+    }
+
+    RenderTableSection* sectionAbove(const RenderTableSection*, bool skipEmptySections = false) const;
+    RenderTableSection* sectionBelow(const RenderTableSection*, bool skipEmptySections = false) const;
+
+    RenderTableCell* cellAbove(const RenderTableCell*) const;
+    RenderTableCell* cellBelow(const RenderTableCell*) const;
+    RenderTableCell* cellBefore(const RenderTableCell*) const;
+    RenderTableCell* cellAfter(const RenderTableCell*) const;
+ 
+    const CollapsedBorderValue* currentBorderStyle() const { return m_currentBorder; }
+    
+    bool hasSections() const { return m_head || m_foot || m_firstBody; }
+
+    void recalcSectionsIfNeeded() const
+    {
+        if (m_needsSectionRecalc)
+            recalcSections();
+    }
+
+#ifdef ANDROID_LAYOUT
+    void clearSingleColumn() { m_singleColumn = false; }
+    bool isSingleColumn() const { return m_singleColumn; }
+#endif
+
+protected:
+    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
+
+private:
+    virtual const char* renderName() const { return "RenderTable"; }
+
+    virtual bool isTable() const { return true; }
+
+    virtual bool avoidsFloats() const { return true; }
+
+    virtual void removeChild(RenderObject* oldChild);
+
+    virtual void paint(PaintInfo&, int tx, int ty);
+    virtual void paintObject(PaintInfo&, int tx, int ty);
+    virtual void paintBoxDecorations(PaintInfo&, int tx, int ty);
+    virtual void paintMask(PaintInfo&, int tx, int ty);
+    virtual void layout();
+    virtual void computePreferredLogicalWidths();
+    virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int xPos, int yPos, int tx, int ty, HitTestAction);
+    
+    virtual int firstLineBoxBaseline() const;
+
+    virtual RenderBlock* firstLineBlock() const;
+    virtual void updateFirstLetter();
+    
+    virtual void setCellLogicalWidths();
+
+    virtual void computeLogicalWidth();
+
+    virtual IntRect overflowClipRect(int tx, int ty);
+
+    virtual void addOverflowFromChildren();
+
+    void subtractCaptionRect(IntRect&) const;
+
+    void recalcSections() const;
+
+    mutable Vector<int> m_columnPos;
+    mutable Vector<ColumnStruct> m_columns;
+
+    mutable RenderBlock* m_caption;
+    mutable RenderTableSection* m_head;
+    mutable RenderTableSection* m_foot;
+    mutable RenderTableSection* m_firstBody;
+
+    OwnPtr<TableLayout> m_tableLayout;
+
+    const CollapsedBorderValue* m_currentBorder;
+    
+    mutable bool m_hasColElements : 1;
+    mutable bool m_needsSectionRecalc : 1;
+    
+#ifdef ANDROID_LAYOUT
+    bool m_singleColumn;        // BS(Grace): should I use compact version?
+#endif
+    short m_hSpacing;
+    short m_vSpacing;
+    int m_borderStart;
+    int m_borderEnd;
+};
+
+inline RenderTable* toRenderTable(RenderObject* object)
+{
+    ASSERT(!object || object->isTable());
+    return static_cast<RenderTable*>(object);
+}
+
+inline const RenderTable* toRenderTable(const RenderObject* object)
+{
+    ASSERT(!object || object->isTable());
+    return static_cast<const RenderTable*>(object);
+}
+
+// This will catch anyone doing an unnecessary cast.
+void toRenderTable(const RenderTable*);
+
+} // namespace WebCore
+
+#endif // RenderTable_h