Add m-esr52 at 52.6.0

1 files changed, 997 insertions, 0 deletions

diff --git a/layout/tables/nsTableFrame.h b/layout/tables/nsTableFrame.h
new file mode 100644
index 000000000..a78625339
--- /dev/null
+++ b/layout/tables/nsTableFrame.h
@@ -0,0 +1,997 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#ifndef nsTableFrame_h__
+#define nsTableFrame_h__
+
+#include "mozilla/Attributes.h"
+#include "celldata.h"
+#include "imgIContainer.h"
+#include "nscore.h"
+#include "nsContainerFrame.h"
+#include "nsStyleCoord.h"
+#include "nsStyleConsts.h"
+#include "nsCellMap.h"
+#include "nsGkAtoms.h"
+#include "nsDisplayList.h"
+#include "TableArea.h"
+
+class nsTableCellFrame;
+class nsTableCellMap;
+class nsTableColFrame;
+class nsTableRowGroupFrame;
+class nsTableRowFrame;
+class nsTableColGroupFrame;
+class nsITableLayoutStrategy;
+class nsStyleContext;
+namespace mozilla {
+class WritingMode;
+class LogicalMargin;
+struct TableReflowInput;
+} // namespace mozilla
+
+struct BCPropertyData;
+
+static inline bool IS_TABLE_CELL(nsIAtom* frameType) {
+  return nsGkAtoms::tableCellFrame == frameType ||
+    nsGkAtoms::bcTableCellFrame == frameType;
+}
+
+static inline bool FrameHasBorderOrBackground(nsIFrame* f) {
+  return (f->StyleVisibility()->IsVisible() &&
+          (!f->StyleBackground()->IsTransparent() ||
+           f->StyleDisplay()->mAppearance ||
+           f->StyleBorder()->HasBorder()));
+}
+
+class nsDisplayTableItem : public nsDisplayItem
+{
+public:
+  nsDisplayTableItem(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame,
+                     bool aDrawsBackground = true) :
+      nsDisplayItem(aBuilder, aFrame),
+      mPartHasFixedBackground(false),
+      mDrawsBackground(aDrawsBackground) {}
+
+  // With collapsed borders, parts of the collapsed border can extend outside
+  // the table part frames, so allow this display element to blow out to our
+  // overflow rect. This is also useful for row frames that have spanning
+  // cells extending outside them.
+  virtual nsRect GetBounds(nsDisplayListBuilder* aBuilder, bool* aSnap) override;
+
+  virtual nsDisplayItemGeometry* AllocateGeometry(nsDisplayListBuilder* aBuilder) override;
+  virtual void ComputeInvalidationRegion(nsDisplayListBuilder* aBuilder,
+                                         const nsDisplayItemGeometry* aGeometry,
+                                         nsRegion *aInvalidRegion) override;
+
+  void UpdateForFrameBackground(nsIFrame* aFrame);
+
+private:
+  bool mPartHasFixedBackground;
+  bool mDrawsBackground;
+};
+
+class nsAutoPushCurrentTableItem
+{
+public:
+  nsAutoPushCurrentTableItem() : mBuilder(nullptr) {}
+
+  void Push(nsDisplayListBuilder* aBuilder, nsDisplayTableItem* aPushItem)
+  {
+    mBuilder = aBuilder;
+    mOldCurrentItem = aBuilder->GetCurrentTableItem();
+    aBuilder->SetCurrentTableItem(aPushItem);
+#ifdef DEBUG
+    mPushedItem = aPushItem;
+#endif
+  }
+  ~nsAutoPushCurrentTableItem() {
+    if (!mBuilder)
+      return;
+#ifdef DEBUG
+    NS_ASSERTION(mBuilder->GetCurrentTableItem() == mPushedItem,
+                 "Someone messed with the current table item behind our back!");
+#endif
+    mBuilder->SetCurrentTableItem(mOldCurrentItem);
+  }
+
+private:
+  nsDisplayListBuilder* mBuilder;
+  nsDisplayTableItem*   mOldCurrentItem;
+#ifdef DEBUG
+  nsDisplayTableItem*   mPushedItem;
+#endif
+};
+
+/* ============================================================================ */
+
+enum nsTableColGroupType {
+  eColGroupContent            = 0, // there is real col group content associated
+  eColGroupAnonymousCol       = 1, // the result of a col
+  eColGroupAnonymousCell      = 2  // the result of a cell alone
+};
+
+enum nsTableColType {
+  eColContent            = 0, // there is real col content associated
+  eColAnonymousCol       = 1, // the result of a span on a col
+  eColAnonymousColGroup  = 2, // the result of a span on a col group
+  eColAnonymousCell      = 3  // the result of a cell alone
+};
+
+/**
+  * nsTableFrame maps the inner portion of a table (everything except captions.)
+  * Used as a pseudo-frame within nsTableWrapperFrame, it may also be used
+  * stand-alone as the top-level frame.
+  *
+  * The principal child list contains row group frames. There is also an
+  * additional child list, kColGroupList, which contains the col group frames.
+  */
+class nsTableFrame : public nsContainerFrame
+{
+  typedef mozilla::image::DrawResult DrawResult;
+  typedef mozilla::WritingMode WritingMode;
+  typedef mozilla::LogicalMargin LogicalMargin;
+  typedef mozilla::TableReflowInput TableReflowInput;
+
+public:
+  NS_DECL_QUERYFRAME_TARGET(nsTableFrame)
+  NS_DECL_FRAMEARENA_HELPERS
+
+  typedef nsTArray<nsIFrame*> FrameTArray;
+  NS_DECLARE_FRAME_PROPERTY_DELETABLE(PositionedTablePartArray, FrameTArray)
+
+  /** nsTableWrapperFrame has intimate knowledge of the inner table frame */
+  friend class nsTableWrapperFrame;
+
+  /** instantiate a new instance of nsTableRowFrame.
+    * @param aPresShell the pres shell for this frame
+    *
+    * @return           the frame that was created
+    */
+  friend nsTableFrame* NS_NewTableFrame(nsIPresShell* aPresShell,
+                                        nsStyleContext* aContext);
+
+  /** sets defaults for table-specific style.
+    * @see nsIFrame::Init
+    */
+  virtual void Init(nsIContent*       aContent,
+                    nsContainerFrame* aParent,
+                    nsIFrame*         aPrevInFlow) override;
+
+  static float GetTwipsToPixels(nsPresContext* aPresContext);
+
+  // Return true if aParentReflowInput.frame or any of its ancestors within
+  // the containing table have non-auto bsize. (e.g. pct or fixed bsize)
+  static bool AncestorsHaveStyleBSize(const ReflowInput& aParentReflowInput);
+
+  // See if a special bsize reflow will occur due to having a pct bsize when
+  // the pct bsize basis may not yet be valid.
+  static void CheckRequestSpecialBSizeReflow(const ReflowInput& aReflowInput);
+
+  // Notify the frame and its ancestors (up to the containing table) that a special
+  // height reflow will occur.
+  static void RequestSpecialBSizeReflow(const ReflowInput& aReflowInput);
+
+  static void RePositionViews(nsIFrame* aFrame);
+
+  static bool PageBreakAfter(nsIFrame* aSourceFrame,
+                               nsIFrame* aNextFrame);
+
+  // Register a positioned table part with its nsTableFrame. These objects will
+  // be visited by FixupPositionedTableParts after reflow is complete. (See that
+  // function for more explanation.) Should be called during frame construction.
+  static void RegisterPositionedTablePart(nsIFrame* aFrame);
+
+  // Unregister a positioned table part with its nsTableFrame.
+  static void UnregisterPositionedTablePart(nsIFrame* aFrame,
+                                            nsIFrame* aDestructRoot);
+
+  nsPoint GetFirstSectionOrigin(const ReflowInput& aReflowInput) const;
+  /*
+   * Notification that aAttribute has changed for content inside a table (cell, row, etc)
+   */
+  void AttributeChangedFor(nsIFrame*       aFrame,
+                           nsIContent*     aContent,
+                           nsIAtom*        aAttribute);
+
+  /** @see nsIFrame::DestroyFrom */
+  virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
+
+  /** @see nsIFrame::DidSetStyleContext */
+  virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) override;
+
+  virtual void SetInitialChildList(ChildListID     aListID,
+                                   nsFrameList&    aChildList) override;
+  virtual void AppendFrames(ChildListID     aListID,
+                            nsFrameList&    aFrameList) override;
+  virtual void InsertFrames(ChildListID     aListID,
+                            nsIFrame*       aPrevFrame,
+                            nsFrameList&    aFrameList) override;
+  virtual void RemoveFrame(ChildListID     aListID,
+                           nsIFrame*       aOldFrame) override;
+
+  virtual nsMargin GetUsedBorder() const override;
+  virtual nsMargin GetUsedPadding() const override;
+  virtual nsMargin GetUsedMargin() const override;
+
+  // Get the offset from the border box to the area where the row groups fit
+  LogicalMargin GetChildAreaOffset(const WritingMode aWM,
+                                   const ReflowInput* aReflowInput) const;
+
+  /** helper method to find the table parent of any table frame object */
+  static nsTableFrame* GetTableFrame(nsIFrame* aSourceFrame);
+
+  /* Like GetTableFrame, but will set *aDidPassThrough to false if we don't
+   * pass through aMustPassThrough on the way to the table.
+   */
+  static nsTableFrame* GetTableFramePassingThrough(nsIFrame* aMustPassThrough,
+                                                   nsIFrame* aSourceFrame,
+                                                   bool* aDidPassThrough);
+
+  typedef void (* DisplayGenericTablePartTraversal)
+      (nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
+       const nsRect& aDirtyRect, const nsDisplayListSet& aLists);
+  static void GenericTraversal(nsDisplayListBuilder* aBuilder, nsFrame* aFrame,
+                               const nsRect& aDirtyRect, const nsDisplayListSet& aLists);
+
+  /**
+   * Helper method to handle display common to table frames, rowgroup frames
+   * and row frames. It creates a background display item for handling events
+   * if necessary, an outline display item if necessary, and displays
+   * all the the frame's children.
+   * @param aDisplayItem the display item created for this part, or null
+   * if this part's border/background painting is delegated to an ancestor
+   * @param aTraversal a function that gets called to traverse the table
+   * part's child frames and add their display list items to a
+   * display list set.
+   */
+  static void DisplayGenericTablePart(nsDisplayListBuilder* aBuilder,
+                                      nsFrame* aFrame,
+                                      const nsRect& aDirtyRect,
+                                      const nsDisplayListSet& aLists,
+                                      nsDisplayTableItem* aDisplayItem,
+                                      DisplayGenericTablePartTraversal aTraversal = GenericTraversal);
+
+  // Return the closest sibling of aPriorChildFrame (including aPriroChildFrame)
+  // of type aChildType.
+  static nsIFrame* GetFrameAtOrBefore(nsIFrame*       aParentFrame,
+                                      nsIFrame*       aPriorChildFrame,
+                                      nsIAtom*        aChildType);
+  bool IsAutoBSize(mozilla::WritingMode aWM);
+
+  /** @return true if aDisplayType represents a rowgroup of any sort
+    * (header, footer, or body)
+    */
+  bool IsRowGroup(mozilla::StyleDisplay aDisplayType) const;
+
+  virtual const nsFrameList& GetChildList(ChildListID aListID) const override;
+  virtual void GetChildLists(nsTArray<ChildList>* aLists) const override;
+
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) override;
+
+  /**
+   * Paint the background of the table and its parts (column groups,
+   * columns, row groups, rows, and cells), and the table border, and all
+   * internal borders if border-collapse is on.
+   */
+  DrawResult PaintTableBorderBackground(nsDisplayListBuilder* aBuilder,
+                                        nsRenderingContext& aRenderingContext,
+                                        const nsRect& aDirtyRect,
+                                        nsPoint aPt);
+
+  /** Get the outer half (i.e., the part outside the height and width of
+   *  the table) of the largest segment (?) of border-collapsed border on
+   *  the table on each side, or 0 for non border-collapsed tables.
+   */
+  LogicalMargin GetOuterBCBorder(const WritingMode aWM) const;
+
+  /** Same as above, but only if it's included from the border-box width
+   *  of the table.
+   */
+  LogicalMargin GetIncludedOuterBCBorder(const WritingMode aWM) const;
+
+  /** Same as above, but only if it's excluded from the border-box width
+   *  of the table.  This is the area that leaks out into the margin
+   *  (or potentially past it, if there is no margin).
+   */
+  LogicalMargin GetExcludedOuterBCBorder(const WritingMode aWM) const;
+
+  /**
+   * In quirks mode, the size of the table background is reduced
+   * by the outer BC border. Compute the reduction needed.
+   */
+  nsMargin GetDeflationForBackground(nsPresContext* aPresContext) const;
+
+  /** Get width of table + colgroup + col collapse: elements that
+   *  continue along the length of the whole iStart side.
+   *  see nsTablePainter about continuous borders
+   */
+  nscoord GetContinuousIStartBCBorderWidth() const;
+  void SetContinuousIStartBCBorderWidth(nscoord aValue);
+
+  friend class nsDelayedCalcBCBorders;
+
+  void AddBCDamageArea(const mozilla::TableArea& aValue);
+  bool BCRecalcNeeded(nsStyleContext* aOldStyleContext,
+                        nsStyleContext* aNewStyleContext);
+  void PaintBCBorders(DrawTarget& aDrawTarget, const nsRect& aDirtyRect);
+
+  virtual void MarkIntrinsicISizesDirty() override;
+  // For border-collapse tables, the caller must not add padding and
+  // border to the results of these functions.
+  virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
+  virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override;
+  virtual IntrinsicISizeOffsetData IntrinsicISizeOffsets() override;
+
+  virtual mozilla::LogicalSize
+  ComputeSize(nsRenderingContext*         aRenderingContext,
+              mozilla::WritingMode        aWM,
+              const mozilla::LogicalSize& aCBSize,
+              nscoord                     aAvailableISize,
+              const mozilla::LogicalSize& aMargin,
+              const mozilla::LogicalSize& aBorder,
+              const mozilla::LogicalSize& aPadding,
+              ComputeSizeFlags            aFlags) override;
+
+  virtual mozilla::LogicalSize
+  ComputeAutoSize(nsRenderingContext*         aRenderingContext,
+                  mozilla::WritingMode        aWM,
+                  const mozilla::LogicalSize& aCBSize,
+                  nscoord                     aAvailableISize,
+                  const mozilla::LogicalSize& aMargin,
+                  const mozilla::LogicalSize& aBorder,
+                  const mozilla::LogicalSize& aPadding,
+                  ComputeSizeFlags            aFlags) override;
+
+  /**
+   * A copy of nsFrame::ShrinkWidthToFit that calls a different
+   * GetPrefISize, since tables have two different ones.
+   */
+  nscoord TableShrinkISizeToFit(nsRenderingContext *aRenderingContext,
+                                nscoord aWidthInCB);
+
+  // XXXldb REWRITE THIS COMMENT!
+  /** inner tables are reflowed in two steps.
+    * <pre>
+    * if mFirstPassValid is false, this is our first time through since content was last changed
+    *   set pass to 1
+    *   do pass 1
+    *     get min/max info for all cells in an infinite space
+    *   do column balancing
+    *   set mFirstPassValid to true
+    *   do pass 2
+    *     use column widths to Reflow cells
+    * </pre>
+    *
+    * @see nsIFrame::Reflow
+    */
+  virtual void Reflow(nsPresContext*           aPresContext,
+                      ReflowOutput&     aDesiredSize,
+                      const ReflowInput& aReflowInput,
+                      nsReflowStatus&          aStatus) override;
+
+  void ReflowTable(ReflowOutput&     aDesiredSize,
+                   const ReflowInput& aReflowInput,
+                   nscoord                  aAvailBSize,
+                   nsIFrame*&               aLastChildReflowed,
+                   nsReflowStatus&          aStatus);
+
+  nsFrameList& GetColGroups();
+
+  virtual nsStyleContext*
+  GetParentStyleContext(nsIFrame** aProviderFrame) const override;
+
+  /**
+   * Get the "type" of the frame
+   *
+   * @see nsGkAtoms::tableFrame
+   */
+  virtual nsIAtom* GetType() const override;
+
+  virtual bool IsFrameOfType(uint32_t aFlags) const override
+  {
+    if (aFlags & eSupportsCSSTransforms) {
+      return false;
+    }
+    return nsContainerFrame::IsFrameOfType(aFlags);
+  }
+
+#ifdef DEBUG_FRAME_DUMP
+  /** @see nsIFrame::GetFrameName */
+  virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+  /** Return the isize of the column at aColIndex.
+   *  This may only be called on the table's first-in-flow.
+   */
+  nscoord GetColumnISizeFromFirstInFlow(int32_t aColIndex);
+
+  /** Helper to get the column spacing style value.
+   *  The argument refers to the space between column aColIndex and column
+   *  aColIndex + 1.  An index of -1 indicates the padding between the table
+   *  and the left border, an index equal to the number of columns indicates
+   *  the padding between the table and the right border.
+   *
+   *  Although in this class cell spacing does not depend on the index, it
+   *  may be important for overriding classes.
+   */
+  virtual nscoord GetColSpacing(int32_t aColIndex);
+
+  /** Helper to find the sum of the cell spacing between arbitrary columns.
+   *  The argument refers to the space between column aColIndex and column
+   *  aColIndex + 1.  An index of -1 indicates the padding between the table
+   *  and the left border, an index equal to the number of columns indicates
+   *  the padding between the table and the right border.
+   *
+   *  This method is equivalent to
+   *  nscoord result = 0;
+   *  for (i = aStartColIndex; i < aEndColIndex; i++) {
+   *    result += GetColSpacing(i);
+   *  }
+   *  return result;
+   */
+  virtual nscoord GetColSpacing(int32_t aStartColIndex,
+                                int32_t aEndColIndex);
+
+  /** Helper to get the row spacing style value.
+   *  The argument refers to the space between row aRowIndex and row
+   *  aRowIndex + 1.  An index of -1 indicates the padding between the table
+   *  and the top border, an index equal to the number of rows indicates
+   *  the padding between the table and the bottom border.
+   *
+   *  Although in this class cell spacing does not depend on the index, it
+   *  may be important for overriding classes.
+   */
+  virtual nscoord GetRowSpacing(int32_t aRowIndex);
+
+  /** Helper to find the sum of the cell spacing between arbitrary rows.
+   *  The argument refers to the space between row aRowIndex and row
+   *  aRowIndex + 1.  An index of -1 indicates the padding between the table
+   *  and the top border, an index equal to the number of rows indicates
+   *  the padding between the table and the bottom border.
+   *
+   *  This method is equivalent to
+   *  nscoord result = 0;
+   *  for (i = aStartRowIndex; i < aEndRowIndex; i++) {
+   *    result += GetRowSpacing(i);
+   *  }
+   *  return result;
+   */
+  virtual nscoord GetRowSpacing(int32_t aStartRowIndex,
+                                  int32_t aEndRowIndex);
+
+private:
+  /* For the base implementation of nsTableFrame, cell spacing does not depend
+   * on row/column indexing.
+   */
+  nscoord GetColSpacing();
+  nscoord GetRowSpacing();
+
+public:
+  virtual nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode) const override;
+  bool GetNaturalBaselineBOffset(mozilla::WritingMode aWM,
+                                 BaselineSharingGroup aBaselineGroup,
+                                 nscoord*             aBaseline) const override;
+
+  /** return the row span of a cell, taking into account row span magic at the bottom
+    * of a table. The row span equals the number of rows spanned by aCell starting at
+    * aStartRowIndex, and can be smaller if aStartRowIndex is greater than the row
+    * index in which aCell originates.
+    *
+    * @param aStartRowIndex the cell
+    * @param aCell          the cell
+    *
+    * @return  the row span, correcting for row spans that extend beyond the bottom
+    *          of the table.
+    */
+  int32_t  GetEffectiveRowSpan(int32_t                 aStartRowIndex,
+                               const nsTableCellFrame& aCell) const;
+  int32_t  GetEffectiveRowSpan(const nsTableCellFrame& aCell,
+                               nsCellMap*              aCellMap = nullptr);
+
+  /** return the col span of a cell, taking into account col span magic at the edge
+    * of a table.
+    *
+    * @param aCell      the cell
+    *
+    * @return  the col span, correcting for col spans that extend beyond the edge
+    *          of the table.
+    */
+  int32_t  GetEffectiveColSpan(const nsTableCellFrame& aCell,
+                               nsCellMap*              aCellMap = nullptr) const;
+
+  /** indicate whether the row has more than one cell that either originates
+    * or is spanned from the rows above
+    */
+  bool HasMoreThanOneCell(int32_t aRowIndex) const;
+
+  /** return the column frame associated with aColIndex
+    * returns nullptr if the col frame has not yet been allocated, or if
+    * aColIndex is out of range
+    */
+  nsTableColFrame* GetColFrame(int32_t aColIndex) const;
+
+  /** Insert a col frame reference into the colframe cache and adapt the cellmap
+    * @param aColFrame    - the column frame
+    * @param aColIndex    - index where the column should be inserted into the
+    *                       colframe cache
+    */
+  void InsertCol(nsTableColFrame& aColFrame,
+                 int32_t          aColIndex);
+
+  nsTableColGroupFrame* CreateAnonymousColGroupFrame(nsTableColGroupType aType);
+
+  int32_t DestroyAnonymousColFrames(int32_t aNumFrames);
+
+  // Append aNumColsToAdd anonymous col frames of type eColAnonymousCell to our
+  // last eColGroupAnonymousCell colgroup.  If we have no such colgroup, then
+  // create one.
+  void AppendAnonymousColFrames(int32_t aNumColsToAdd);
+
+  // Append aNumColsToAdd anonymous col frames of type aColType to
+  // aColGroupFrame.  If aAddToTable is true, also call AddColsToTable on the
+  // new cols.
+  void AppendAnonymousColFrames(nsTableColGroupFrame* aColGroupFrame,
+                                int32_t               aNumColsToAdd,
+                                nsTableColType        aColType,
+                                bool                  aAddToTable);
+
+  void MatchCellMapToColCache(nsTableCellMap* aCellMap);
+  /** empty the column frame cache */
+  void ClearColCache();
+
+  void DidResizeColumns();
+
+  void AppendCell(nsTableCellFrame& aCellFrame,
+                  int32_t           aRowIndex);
+
+  void InsertCells(nsTArray<nsTableCellFrame*>& aCellFrames,
+                   int32_t                      aRowIndex,
+                   int32_t                      aColIndexBefore);
+
+  void RemoveCell(nsTableCellFrame* aCellFrame,
+                  int32_t           aRowIndex);
+
+  void AppendRows(nsTableRowGroupFrame*       aRowGroupFrame,
+                  int32_t                     aRowIndex,
+                  nsTArray<nsTableRowFrame*>& aRowFrames);
+
+  int32_t InsertRows(nsTableRowGroupFrame*       aRowGroupFrame,
+                     nsTArray<nsTableRowFrame*>& aFrames,
+                     int32_t                     aRowIndex,
+                     bool                        aConsiderSpans);
+
+  void RemoveRows(nsTableRowFrame& aFirstRowFrame,
+                  int32_t          aNumRowsToRemove,
+                  bool             aConsiderSpans);
+
+  /** Insert multiple rowgroups into the table cellmap handling
+    * @param aRowGroups - iterator that iterates over the rowgroups to insert
+    */
+  void InsertRowGroups(const nsFrameList::Slice& aRowGroups);
+
+  void InsertColGroups(int32_t                   aStartColIndex,
+                       const nsFrameList::Slice& aColgroups);
+
+  void RemoveCol(nsTableColGroupFrame* aColGroupFrame,
+                 int32_t               aColIndex,
+                 bool                  aRemoveFromCache,
+                 bool                  aRemoveFromCellMap);
+
+  bool ColumnHasCellSpacingBefore(int32_t aColIndex) const;
+
+  bool HasPctCol() const;
+  void SetHasPctCol(bool aValue);
+
+  bool HasCellSpanningPctCol() const;
+  void SetHasCellSpanningPctCol(bool aValue);
+
+  /**
+   * To be called on a frame by its parent after setting its size/position and
+   * calling DidReflow (possibly via FinishReflowChild()).  This can also be
+   * used for child frames which are not being reflowed but did have their size
+   * or position changed.
+   *
+   * @param aFrame The frame to invalidate
+   * @param aOrigRect The original rect of aFrame (before the change).
+   * @param aOrigVisualOverflow The original overflow rect of aFrame.
+   * @param aIsFirstReflow True if the size/position change is due to the
+   *                       first reflow of aFrame.
+   */
+  static void InvalidateTableFrame(nsIFrame* aFrame,
+                                   const nsRect& aOrigRect,
+                                   const nsRect& aOrigVisualOverflow,
+                                   bool aIsFirstReflow);
+
+  virtual bool ComputeCustomOverflow(nsOverflowAreas& aOverflowAreas) override;
+
+protected:
+
+  /** protected constructor.
+    * @see NewFrame
+    */
+  explicit nsTableFrame(nsStyleContext* aContext);
+
+  /** destructor, responsible for mColumnLayoutData */
+  virtual ~nsTableFrame();
+
+  void InitChildReflowInput(ReflowInput& aReflowInput);
+
+  virtual LogicalSides GetLogicalSkipSides(const ReflowInput* aReflowInput = nullptr) const override;
+
+public:
+  bool IsRowInserted() const;
+  void   SetRowInserted(bool aValue);
+
+protected:
+
+  // A helper function to reflow a header or footer with unconstrained height
+  // to see if it should be made repeatable and also to determine its desired
+  // height.
+  nsresult SetupHeaderFooterChild(const TableReflowInput& aReflowInput,
+                                  nsTableRowGroupFrame* aFrame,
+                                  nscoord* aDesiredHeight);
+
+  void ReflowChildren(TableReflowInput&  aReflowInput,
+                      nsReflowStatus&      aStatus,
+                      nsIFrame*&           aLastChildReflowed,
+                      nsOverflowAreas&     aOverflowAreas);
+
+  // This calls the col group and column reflow methods, which do two things:
+  //  (1) set all the dimensions to 0
+  //  (2) notify the table about colgroups or columns with hidden visibility
+  void ReflowColGroups(nsRenderingContext* aRenderingContext);
+
+  /** return the isize of the table taking into account visibility collapse
+    * on columns and colgroups
+    * @param aBorderPadding  the border and padding of the table
+    */
+  nscoord GetCollapsedISize(const WritingMode aWM,
+                            const LogicalMargin& aBorderPadding);
+
+
+  /** Adjust the table for visibility.collapse set on rowgroups, rows,
+    * colgroups and cols
+    * @param aDesiredSize    the metrics of the table
+    * @param aBorderPadding  the border and padding of the table
+    */
+  void AdjustForCollapsingRowsCols(ReflowOutput& aDesiredSize,
+                                   const WritingMode aWM,
+                                   const LogicalMargin& aBorderPadding);
+
+  /** FixupPositionedTableParts is called at the end of table reflow to reflow
+   *  the absolutely positioned descendants of positioned table parts. This is
+   *  necessary because the dimensions of table parts may change after they've
+   *  been reflowed (e.g. in AdjustForCollapsingRowsCols).
+   */
+  void FixupPositionedTableParts(nsPresContext*           aPresContext,
+                                 ReflowOutput&     aDesiredSize,
+                                 const ReflowInput& aReflowInput);
+
+  // Clears the list of positioned table parts.
+  void ClearAllPositionedTableParts();
+
+  nsITableLayoutStrategy* LayoutStrategy() const {
+    return static_cast<nsTableFrame*>(FirstInFlow())->
+      mTableLayoutStrategy;
+  }
+
+  // Helper for InsertFrames.
+  void HomogenousInsertFrames(ChildListID     aListID,
+                              nsIFrame*       aPrevFrame,
+                              nsFrameList&    aFrameList);
+private:
+  /* Handle a row that got inserted during reflow.  aNewHeight is the
+     new height of the table after reflow. */
+  void ProcessRowInserted(nscoord aNewHeight);
+
+  // WIDTH AND HEIGHT CALCULATION
+
+public:
+
+  // calculate the computed block-size of aFrame including its border and
+  // padding given its reflow state.
+  nscoord CalcBorderBoxBSize(const ReflowInput& aReflowInput);
+
+protected:
+
+  // update the  desired block-size of this table taking into account the current
+  // reflow state, the table attributes and the content driven rowgroup bsizes
+  // this function can change the overflow area
+  void CalcDesiredBSize(const ReflowInput& aReflowInput,
+                        ReflowOutput& aDesiredSize);
+
+  // The following is a helper for CalcDesiredBSize
+
+  void DistributeBSizeToRows(const ReflowInput& aReflowInput,
+                             nscoord                  aAmount);
+
+  void PlaceChild(TableReflowInput&  aReflowInput,
+                  nsIFrame*            aKidFrame,
+                  nsPoint              aKidPosition,
+                  ReflowOutput& aKidDesiredSize,
+                  const nsRect&        aOriginalKidRect,
+                  const nsRect&        aOriginalKidVisualOverflow);
+   void PlaceRepeatedFooter(TableReflowInput& aReflowInput,
+                            nsTableRowGroupFrame *aTfoot,
+                            nscoord aFooterHeight);
+
+  nsIFrame* GetFirstBodyRowGroupFrame();
+public:
+  typedef AutoTArray<nsTableRowGroupFrame*, 8> RowGroupArray;
+  /**
+   * Push all our child frames from the aRowGroups array, in order, starting
+   * from the frame at aPushFrom to the end of the array. The frames are put on
+   * our overflow list or moved directly to our next-in-flow if one exists.
+   */
+protected:
+  void PushChildren(const RowGroupArray& aRowGroups, int32_t aPushFrom);
+
+public:
+  // put the children frames in the display order (e.g. thead before tbodies
+  // before tfoot). This will handle calling GetRowGroupFrame() on the
+  // children, and not append nulls, so the array is guaranteed to contain
+  // nsTableRowGroupFrames.  If there are multiple theads or tfoots, all but
+  // the first one are treated as tbodies instead.
+
+  void OrderRowGroups(RowGroupArray& aChildren,
+                      nsTableRowGroupFrame** aHead = nullptr,
+                      nsTableRowGroupFrame** aFoot = nullptr) const;
+
+  // Return the thead, if any
+  nsTableRowGroupFrame* GetTHead() const;
+
+  // Return the tfoot, if any
+  nsTableRowGroupFrame* GetTFoot() const;
+
+  // Returns true if there are any cells above the row at
+  // aRowIndex and spanning into the row at aRowIndex, the number of
+  // effective columns limits the search up to that column
+  bool RowIsSpannedInto(int32_t aRowIndex, int32_t aNumEffCols);
+
+  // Returns true if there is a cell originating in aRowIndex
+  // which spans into the next row,  the number of effective
+  // columns limits the search up to that column
+  bool RowHasSpanningCells(int32_t aRowIndex, int32_t aNumEffCols);
+
+protected:
+
+  bool HaveReflowedColGroups() const;
+  void   SetHaveReflowedColGroups(bool aValue);
+
+public:
+  bool IsBorderCollapse() const;
+
+  bool NeedToCalcBCBorders() const;
+  void SetNeedToCalcBCBorders(bool aValue);
+
+  bool NeedToCollapse() const;
+  void SetNeedToCollapse(bool aValue);
+
+  /** The GeometryDirty bit is similar to the NS_FRAME_IS_DIRTY frame
+    * state bit, which implies that all descendants are dirty.  The
+    * GeometryDirty still implies that all the parts of the table are
+    * dirty, but resizing optimizations should still apply to the
+    * contents of the individual cells.
+    */
+  void SetGeometryDirty() { mBits.mGeometryDirty = true; }
+  void ClearGeometryDirty() { mBits.mGeometryDirty = false; }
+  bool IsGeometryDirty() const { return mBits.mGeometryDirty; }
+
+  /** Get the cell map for this table frame.  It is not always mCellMap.
+    * Only the firstInFlow has a legit cell map
+    */
+  nsTableCellMap* GetCellMap() const;
+
+  /** Iterate over the row groups and adjust the row indices of all rows
+    * whose index is >= aRowIndex.
+    * @param aRowIndex   - start adjusting with this index
+    * @param aAdjustment - shift the row index by this amount
+    */
+  void AdjustRowIndices(int32_t aRowIndex,
+                        int32_t aAdjustment);
+
+  /** Reset the rowindices of all rows as they might have changed due to
+    * rowgroup reordering, exclude new row group frames that show in the
+    * reordering but are not yet inserted into the cellmap
+    * @param aRowGroupsToExclude - an iterator that will produce the row groups
+    *                              to exclude.
+    */
+  void ResetRowIndices(const nsFrameList::Slice& aRowGroupsToExclude);
+
+  nsTArray<nsTableColFrame*>& GetColCache();
+
+
+protected:
+
+  void SetBorderCollapse(bool aValue);
+
+  BCPropertyData* GetBCProperty(bool aCreateIfNecessary = false) const;
+  void SetFullBCDamageArea();
+  void CalcBCBorders();
+
+  void ExpandBCDamageArea(mozilla::TableArea& aRect) const;
+
+  void SetColumnDimensions(nscoord aHeight, WritingMode aWM,
+                           const LogicalMargin& aBorderPadding,
+                           const nsSize& aContainerSize);
+
+  int32_t CollectRows(nsIFrame*                   aFrame,
+                      nsTArray<nsTableRowFrame*>& aCollection);
+
+public: /* ----- Cell Map public methods ----- */
+
+  int32_t GetStartRowIndex(nsTableRowGroupFrame* aRowGroupFrame);
+
+  /** returns the number of rows in this table.
+    */
+  int32_t GetRowCount () const
+  {
+    return GetCellMap()->GetRowCount();
+  }
+
+  /** returns the number of columns in this table after redundant columns have been removed
+    */
+  int32_t GetEffectiveColCount() const;
+
+  /* return the col count including dead cols */
+  int32_t GetColCount () const
+  {
+    return GetCellMap()->GetColCount();
+  }
+
+  // return the last col index which isn't of type eColAnonymousCell
+  int32_t GetIndexOfLastRealCol();
+
+  /** returns true if table-layout:auto  */
+  bool IsAutoLayout();
+
+public:
+
+#ifdef DEBUG
+  void Dump(bool            aDumpRows,
+            bool            aDumpCols,
+            bool            aDumpCellMap);
+#endif
+
+protected:
+  /**
+   * Helper method for RemoveFrame.
+   */
+  void DoRemoveFrame(ChildListID aListID, nsIFrame* aOldFrame);
+#ifdef DEBUG
+  void DumpRowGroup(nsIFrame* aChildFrame);
+#endif
+  // DATA MEMBERS
+  AutoTArray<nsTableColFrame*, 8> mColFrames;
+
+  struct TableBits {
+    uint32_t mHaveReflowedColGroups:1; // have the col groups gotten their initial reflow
+    uint32_t mHasPctCol:1;             // does any cell or col have a pct width
+    uint32_t mCellSpansPctCol:1;       // does any cell span a col with a pct width (or containing a cell with a pct width)
+    uint32_t mIsBorderCollapse:1;      // border collapsing model vs. separate model
+    uint32_t mRowInserted:1;
+    uint32_t mNeedToCalcBCBorders:1;
+    uint32_t mGeometryDirty:1;
+    uint32_t mIStartContBCBorder:8;
+    uint32_t mNeedToCollapse:1;        // rows, cols that have visibility:collapse need to be collapsed
+    uint32_t mResizedColumns:1;        // have we resized columns since last reflow?
+  } mBits;
+
+  nsTableCellMap*         mCellMap;            // maintains the relationships between rows, cols, and cells
+  nsITableLayoutStrategy* mTableLayoutStrategy;// the layout strategy for this frame
+  nsFrameList             mColGroups;          // the list of colgroup frames
+};
+
+
+inline bool nsTableFrame::IsRowGroup(mozilla::StyleDisplay aDisplayType) const
+{
+  return mozilla::StyleDisplay::TableHeaderGroup == aDisplayType ||
+         mozilla::StyleDisplay::TableFooterGroup == aDisplayType ||
+         mozilla::StyleDisplay::TableRowGroup    == aDisplayType;
+}
+
+inline void nsTableFrame::SetHaveReflowedColGroups(bool aValue)
+{
+  mBits.mHaveReflowedColGroups = aValue;
+}
+
+inline bool nsTableFrame::HaveReflowedColGroups() const
+{
+  return (bool)mBits.mHaveReflowedColGroups;
+}
+
+inline bool nsTableFrame::HasPctCol() const
+{
+  return (bool)mBits.mHasPctCol;
+}
+
+inline void nsTableFrame::SetHasPctCol(bool aValue)
+{
+  mBits.mHasPctCol = (unsigned)aValue;
+}
+
+inline bool nsTableFrame::HasCellSpanningPctCol() const
+{
+  return (bool)mBits.mCellSpansPctCol;
+}
+
+inline void nsTableFrame::SetHasCellSpanningPctCol(bool aValue)
+{
+  mBits.mCellSpansPctCol = (unsigned)aValue;
+}
+
+inline bool nsTableFrame::IsRowInserted() const
+{
+  return (bool)mBits.mRowInserted;
+}
+
+inline void nsTableFrame::SetRowInserted(bool aValue)
+{
+  mBits.mRowInserted = (unsigned)aValue;
+}
+
+inline void nsTableFrame::SetNeedToCollapse(bool aValue)
+{
+  static_cast<nsTableFrame*>(FirstInFlow())->mBits.mNeedToCollapse = (unsigned)aValue;
+}
+
+inline bool nsTableFrame::NeedToCollapse() const
+{
+  return (bool) static_cast<nsTableFrame*>(FirstInFlow())->mBits.mNeedToCollapse;
+}
+
+inline nsFrameList& nsTableFrame::GetColGroups()
+{
+  return static_cast<nsTableFrame*>(FirstInFlow())->mColGroups;
+}
+
+inline nsTArray<nsTableColFrame*>& nsTableFrame::GetColCache()
+{
+  return mColFrames;
+}
+
+inline bool nsTableFrame::IsBorderCollapse() const
+{
+  return (bool)mBits.mIsBorderCollapse;
+}
+
+inline void nsTableFrame::SetBorderCollapse(bool aValue)
+{
+  mBits.mIsBorderCollapse = aValue;
+}
+
+inline bool nsTableFrame::NeedToCalcBCBorders() const
+{
+  return (bool)mBits.mNeedToCalcBCBorders;
+}
+
+inline void nsTableFrame::SetNeedToCalcBCBorders(bool aValue)
+{
+  mBits.mNeedToCalcBCBorders = (unsigned)aValue;
+}
+
+inline nscoord
+nsTableFrame::GetContinuousIStartBCBorderWidth() const
+{
+  int32_t aPixelsToTwips = nsPresContext::AppUnitsPerCSSPixel();
+  return BC_BORDER_END_HALF_COORD(aPixelsToTwips, mBits.mIStartContBCBorder);
+}
+
+inline void nsTableFrame::SetContinuousIStartBCBorderWidth(nscoord aValue)
+{
+  mBits.mIStartContBCBorder = (unsigned) aValue;
+}
+
+#define ABORT0() \
+{NS_ASSERTION(false, "CellIterator program error"); \
+return;}
+
+#define ABORT1(aReturn) \
+{NS_ASSERTION(false, "CellIterator program error"); \
+return aReturn;}
+
+#endif