[css-grid] Handle min-content/max-content with orthogonal flows

third_party/WebKit/Source/core/layout/LayoutGrid.h

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 112 matching lines @@
     void placeSpecifiedMajorAxisItemsOnGrid(const Vector<LayoutBox*>&);
     void placeAutoMajorAxisItemsOnGrid(const Vector<LayoutBox*>&);
     void placeAutoMajorAxisItemOnGrid(LayoutBox&, std::pair<size_t, size_t>& autoPlacementCursor);
     GridTrackSizingDirection autoPlacementMajorAxisDirection() const;
     GridTrackSizingDirection autoPlacementMinorAxisDirection() const;
 
     void computeIntrinsicLogicalHeight(GridSizingData&);
     LayoutUnit computeTrackBasedLogicalHeight(const GridSizingData&) const;
     void computeTrackSizesForDirection(GridTrackSizingDirection, GridSizingData&, LayoutUnit freeSpace);
 
+    void repeatTracksSizingIfNeeded(GridSizingData&, LayoutUnit availableSpaceForColumns, LayoutUnit availableSpaceForRows);
+
     void layoutGridItems(GridSizingData&);
     void prepareChildForPositionedLayout(LayoutBox&);
     void layoutPositionedObjects(bool relayoutChildren, PositionedLayoutBehavior = DefaultLayout);
     void offsetAndBreadthForPositionedChild(const LayoutBox&, GridTrackSizingDirection, LayoutUnit& offset, LayoutUnit& breadth);
     void populateGridPositions(GridSizingData&);
 
     typedef struct GridItemsSpanGroupRange GridItemsSpanGroupRange;
     LayoutUnit currentItemSizeForTrackSizeComputationPhase(TrackSizeComputationPhase, LayoutBox&, GridTrackSizingDirection, GridSizingData&);
     void resolveContentBasedTrackSizingFunctionsForNonSpanningItems(GridTrackSizingDirection, const GridSpan&, LayoutBox& gridItem, GridTrack&, GridSizingData&);
     template <TrackSizeComputationPhase> void resolveContentBasedTrackSizingFunctionsForItems(GridTrackSizingDirection, GridSizingData&, const GridItemsSpanGroupRange&);
@@ skipping 14 matching lines @@
     GridAxisPosition rowAxisPositionForChild(const LayoutBox&) const;
     LayoutUnit rowAxisOffsetForChild(const LayoutBox&, GridSizingData&) const;
     LayoutUnit columnAxisOffsetForChild(const LayoutBox&, GridSizingData&) const;
     ContentAlignmentData computeContentPositionAndDistributionOffset(GridTrackSizingDirection, const LayoutUnit& availableFreeSpace, unsigned numberOfGridTracks) const;
     LayoutPoint findChildLogicalPosition(const LayoutBox&, GridSizingData&) const;
     GridArea cachedGridArea(const LayoutBox&) const;
     GridSpan cachedGridSpan(const LayoutBox&, GridTrackSizingDirection) const;
 
     LayoutUnit gridAreaBreadthForChild(const LayoutBox& child, GridTrackSizingDirection, const GridSizingData&) const;
     LayoutUnit gridAreaBreadthForChildIncludingAlignmentOffsets(const LayoutBox&, GridTrackSizingDirection, const GridSizingData&) const;
+    LayoutUnit assumedRowsBreadthForOrthogonalChild(const LayoutBox&) const;
 
     void applyStretchAlignmentToTracksIfNeeded(GridTrackSizingDirection, GridSizingData&);
 
     void paintChildren(const PaintInfo&, const LayoutPoint&) const override;
 
     LayoutUnit marginLogicalHeightForChild(const LayoutBox&) const;
     LayoutUnit computeMarginLogicalSizeForChild(MarginDirection, const LayoutBox&) const;
     LayoutUnit availableAlignmentSpaceForChildBeforeStretching(LayoutUnit gridAreaBreadthForChild, const LayoutBox&) const;
     void applyStretchAlignmentToChildIfNeeded(LayoutBox&);
     bool hasAutoMarginsInColumnAxis(const LayoutBox&) const;
@@ skipping 13 matching lines @@
         ASSERT(!m_gridIsDirty);
         return m_grid[0].size();
     }
     size_t gridRowCount() const
     {
         ASSERT(!m_gridIsDirty);
         return m_grid.size();
     }
 
     bool hasDefiniteLogicalSize(GridTrackSizingDirection) const;
+    bool gridLengthIsIndefinite(const GridLength&, GridTrackSizingDirection) const;
 
     bool isOrthogonalChild(const LayoutBox&) const;
     GridTrackSizingDirection flowAwareDirectionForChild(const LayoutBox&, GridTrackSizingDirection) const;
 
     typedef Vector<Vector<GridCell>> GridRepresentation;
     GridRepresentation m_grid;
     bool m_gridIsDirty;
     Vector<LayoutUnit> m_rowPositions;
     Vector<LayoutUnit> m_columnPositions;
     HashMap<const LayoutBox*, GridArea> m_gridItemArea;
     OrderIterator m_orderIterator;
     Vector<LayoutBox*> m_gridItemsOverflowingGridArea;
     HashMap<const LayoutBox*, size_t> m_gridItemsIndexesMap;
 
     LayoutUnit m_minContentHeight { -1 };
     LayoutUnit m_maxContentHeight { -1 };
 
     int m_smallestRowStart;
     int m_smallestColumnStart;
+    bool m_hasAnyOrthogonalChild;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutGrid, isLayoutGrid());
 
 } // namespace blink
 
 #endif // LayoutGrid_h