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1 /* | 1 /* |
2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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47 RenderGrid(Element*); | 47 RenderGrid(Element*); |
48 virtual ~RenderGrid(); | 48 virtual ~RenderGrid(); |
49 | 49 |
50 virtual const char* renderName() const OVERRIDE; | 50 virtual const char* renderName() const OVERRIDE; |
51 | 51 |
52 virtual void layoutBlock(bool relayoutChildren, LayoutUnit pageLogicalHeight
= 0) OVERRIDE; | 52 virtual void layoutBlock(bool relayoutChildren, LayoutUnit pageLogicalHeight
= 0) OVERRIDE; |
53 | 53 |
54 virtual bool avoidsFloats() const OVERRIDE { return true; } | 54 virtual bool avoidsFloats() const OVERRIDE { return true; } |
55 virtual bool canCollapseAnonymousBlockChild() const OVERRIDE { return false;
} | 55 virtual bool canCollapseAnonymousBlockChild() const OVERRIDE { return false;
} |
56 | 56 |
| 57 void dirtyGrid(); |
| 58 |
57 private: | 59 private: |
58 virtual bool isRenderGrid() const OVERRIDE { return true; } | 60 virtual bool isRenderGrid() const OVERRIDE { return true; } |
59 virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, Layo
utUnit& maxLogicalWidth) const OVERRIDE; | 61 virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, Layo
utUnit& maxLogicalWidth) const OVERRIDE; |
60 virtual void computePreferredLogicalWidths() OVERRIDE; | 62 virtual void computePreferredLogicalWidths() OVERRIDE; |
61 | 63 |
| 64 virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0)
OVERRIDE; |
| 65 virtual void removeChild(RenderObject*) OVERRIDE; |
| 66 |
| 67 virtual void styleDidChange(StyleDifference, const RenderStyle*) OVERRIDE; |
| 68 |
| 69 bool explicitGridDidResize(const RenderStyle*) const; |
| 70 bool namedGridLinesDefinitionDidChange(const RenderStyle*) const; |
| 71 |
62 LayoutUnit computePreferredTrackWidth(const GridLength&, size_t) const; | 72 LayoutUnit computePreferredTrackWidth(const GridLength&, size_t) const; |
63 | 73 |
64 class GridIterator; | 74 class GridIterator; |
65 enum TrackSizingDirection { ForColumns, ForRows }; | 75 enum TrackSizingDirection { ForColumns, ForRows }; |
66 void computedUsedBreadthOfGridTracks(TrackSizingDirection, Vector<GridTrack>
& columnTracks, Vector<GridTrack>& rowTracks); | 76 void computedUsedBreadthOfGridTracks(TrackSizingDirection, Vector<GridTrack>
& columnTracks, Vector<GridTrack>& rowTracks); |
67 LayoutUnit computeUsedBreadthOfMinLength(TrackSizingDirection, const GridLen
gth&) const; | 77 LayoutUnit computeUsedBreadthOfMinLength(TrackSizingDirection, const GridLen
gth&) const; |
68 LayoutUnit computeUsedBreadthOfMaxLength(TrackSizingDirection, const GridLen
gth&, LayoutUnit usedBreadth) const; | 78 LayoutUnit computeUsedBreadthOfMaxLength(TrackSizingDirection, const GridLen
gth&, LayoutUnit usedBreadth) const; |
69 LayoutUnit computeUsedBreadthOfSpecifiedLength(TrackSizingDirection, const L
ength&) const; | 79 LayoutUnit computeUsedBreadthOfSpecifiedLength(TrackSizingDirection, const L
ength&) const; |
70 void resolveContentBasedTrackSizingFunctions(TrackSizingDirection, Vector<Gr
idTrack>& columnTracks, Vector<GridTrack>& rowTracks, LayoutUnit& availableLogic
alSpace); | 80 void resolveContentBasedTrackSizingFunctions(TrackSizingDirection, Vector<Gr
idTrack>& columnTracks, Vector<GridTrack>& rowTracks, LayoutUnit& availableLogic
alSpace); |
71 | 81 |
72 void growGrid(TrackSizingDirection); | 82 void growGrid(TrackSizingDirection); |
73 void insertItemIntoGrid(RenderBox*, size_t rowTrack, size_t columnTrack); | 83 void insertItemIntoGrid(RenderBox*, size_t rowTrack, size_t columnTrack); |
74 void insertItemIntoGrid(RenderBox*, const GridCoordinate&); | 84 void insertItemIntoGrid(RenderBox*, const GridCoordinate&); |
75 void placeItemsOnGrid(); | 85 void placeItemsOnGrid(); |
76 void populateExplicitGridAndOrderIterator(); | 86 void populateExplicitGridAndOrderIterator(); |
77 void placeSpecifiedMajorAxisItemsOnGrid(Vector<RenderBox*>); | 87 void placeSpecifiedMajorAxisItemsOnGrid(Vector<RenderBox*>); |
78 void placeAutoMajorAxisItemsOnGrid(Vector<RenderBox*>); | 88 void placeAutoMajorAxisItemsOnGrid(Vector<RenderBox*>); |
79 void placeAutoMajorAxisItemOnGrid(RenderBox*); | 89 void placeAutoMajorAxisItemOnGrid(RenderBox*); |
80 TrackSizingDirection autoPlacementMajorAxisDirection() const; | 90 TrackSizingDirection autoPlacementMajorAxisDirection() const; |
81 TrackSizingDirection autoPlacementMinorAxisDirection() const; | 91 TrackSizingDirection autoPlacementMinorAxisDirection() const; |
82 | 92 |
83 void layoutGridItems(); | 93 void layoutGridItems(); |
84 void clearGrid(); | |
85 | 94 |
86 typedef LayoutUnit (RenderGrid::* SizingFunction)(RenderBox*, TrackSizingDir
ection, Vector<GridTrack>&); | 95 typedef LayoutUnit (RenderGrid::* SizingFunction)(RenderBox*, TrackSizingDir
ection, Vector<GridTrack>&); |
87 typedef LayoutUnit (GridTrack::* AccumulatorGetter)() const; | 96 typedef LayoutUnit (GridTrack::* AccumulatorGetter)() const; |
88 typedef void (GridTrack::* AccumulatorGrowFunction)(LayoutUnit); | 97 typedef void (GridTrack::* AccumulatorGrowFunction)(LayoutUnit); |
89 typedef bool (GridTrackSize::* FilterFunction)() const; | 98 typedef bool (GridTrackSize::* FilterFunction)() const; |
90 void resolveContentBasedTrackSizingFunctionsForItems(TrackSizingDirection, V
ector<GridTrack>& columnTracks, Vector<GridTrack>& rowTracks, RenderBox*, Filter
Function, SizingFunction, AccumulatorGetter, AccumulatorGrowFunction); | 99 void resolveContentBasedTrackSizingFunctionsForItems(TrackSizingDirection, V
ector<GridTrack>& columnTracks, Vector<GridTrack>& rowTracks, RenderBox*, Filter
Function, SizingFunction, AccumulatorGetter, AccumulatorGrowFunction); |
91 void distributeSpaceToTracks(Vector<GridTrack*>&, Vector<GridTrack*>* tracks
ForGrowthAboveMaxBreadth, AccumulatorGetter, AccumulatorGrowFunction, LayoutUnit
& availableLogicalSpace); | 100 void distributeSpaceToTracks(Vector<GridTrack*>&, Vector<GridTrack*>* tracks
ForGrowthAboveMaxBreadth, AccumulatorGetter, AccumulatorGrowFunction, LayoutUnit
& availableLogicalSpace); |
92 | 101 |
93 double computeNormalizedFractionBreadth(Vector<GridTrack>&, TrackSizingDirec
tion, LayoutUnit availableLogicalSpace) const; | 102 double computeNormalizedFractionBreadth(Vector<GridTrack>&, TrackSizingDirec
tion, LayoutUnit availableLogicalSpace) const; |
94 | 103 |
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109 size_t resolveGridPositionFromStyle(const GridPosition&, GridPositionSide) c
onst; | 118 size_t resolveGridPositionFromStyle(const GridPosition&, GridPositionSide) c
onst; |
110 PassOwnPtr<GridSpan> resolveGridPositionAgainstOppositePosition(size_t resol
vedOppositePosition, const GridPosition&, GridPositionSide) const; | 119 PassOwnPtr<GridSpan> resolveGridPositionAgainstOppositePosition(size_t resol
vedOppositePosition, const GridPosition&, GridPositionSide) const; |
111 PassOwnPtr<GridSpan> resolveNamedGridLinePositionAgainstOppositePosition(siz
e_t resolvedOppositePosition, const GridPosition&, GridPositionSide) const; | 120 PassOwnPtr<GridSpan> resolveNamedGridLinePositionAgainstOppositePosition(siz
e_t resolvedOppositePosition, const GridPosition&, GridPositionSide) const; |
112 PassOwnPtr<GridSpan> resolveBeforeStartNamedGridLinePositionAgainstOppositeP
osition(size_t resolvedOppositePosition, const GridPosition&, const Vector<size_
t>&) const; | 121 PassOwnPtr<GridSpan> resolveBeforeStartNamedGridLinePositionAgainstOppositeP
osition(size_t resolvedOppositePosition, const GridPosition&, const Vector<size_
t>&) const; |
113 PassOwnPtr<GridSpan> resolveAfterEndNamedGridLinePositionAgainstOppositePosi
tion(size_t resolvedOppositePosition, const GridPosition&, const Vector<size_t>&
) const; | 122 PassOwnPtr<GridSpan> resolveAfterEndNamedGridLinePositionAgainstOppositePosi
tion(size_t resolvedOppositePosition, const GridPosition&, const Vector<size_t>&
) const; |
114 | 123 |
115 LayoutUnit gridAreaBreadthForChild(const RenderBox* child, TrackSizingDirect
ion, const Vector<GridTrack>&) const; | 124 LayoutUnit gridAreaBreadthForChild(const RenderBox* child, TrackSizingDirect
ion, const Vector<GridTrack>&) const; |
116 | 125 |
117 virtual void paintChildren(PaintInfo&, const LayoutPoint&) OVERRIDE FINAL; | 126 virtual void paintChildren(PaintInfo&, const LayoutPoint&) OVERRIDE FINAL; |
118 | 127 |
| 128 bool gridIsDirty() const { return m_gridIsDirty; } |
| 129 |
119 #ifndef NDEBUG | 130 #ifndef NDEBUG |
120 bool tracksAreWiderThanMinTrackBreadth(TrackSizingDirection, const Vector<Gr
idTrack>&); | 131 bool tracksAreWiderThanMinTrackBreadth(TrackSizingDirection, const Vector<Gr
idTrack>&); |
121 bool gridWasPopulated() const { return !m_grid.isEmpty() && !m_grid[0].isEmp
ty(); } | |
122 #endif | 132 #endif |
123 | 133 |
124 size_t gridColumnCount() const | 134 size_t gridColumnCount() const |
125 { | 135 { |
126 ASSERT(gridWasPopulated()); | 136 ASSERT(!gridIsDirty()); |
127 return m_grid[0].size(); | 137 return m_grid[0].size(); |
128 } | 138 } |
129 size_t gridRowCount() const | 139 size_t gridRowCount() const |
130 { | 140 { |
131 ASSERT(gridWasPopulated()); | 141 ASSERT(!gridIsDirty()); |
132 return m_grid.size(); | 142 return m_grid.size(); |
133 } | 143 } |
134 | 144 |
135 Vector<Vector<Vector<RenderBox*, 1> > > m_grid; | 145 Vector<Vector<Vector<RenderBox*, 1> > > m_grid; |
| 146 bool m_gridIsDirty; |
136 HashMap<const RenderBox*, GridCoordinate> m_gridItemCoordinate; | 147 HashMap<const RenderBox*, GridCoordinate> m_gridItemCoordinate; |
137 OrderIterator m_orderIterator; | 148 OrderIterator m_orderIterator; |
138 }; | 149 }; |
139 | 150 |
| 151 inline RenderGrid* toRenderGrid(RenderObject* object) |
| 152 { |
| 153 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isRenderGrid()); |
| 154 return static_cast<RenderGrid*>(object); |
| 155 } |
| 156 |
| 157 inline const RenderGrid* toRenderGrid(const RenderObject* object) |
| 158 { |
| 159 ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isRenderGrid()); |
| 160 return static_cast<const RenderGrid*>(object); |
| 161 } |
| 162 |
| 163 // Catch unneeded cast. |
| 164 void toRenderGrid(const RenderGrid*); |
| 165 |
140 } // namespace WebCore | 166 } // namespace WebCore |
141 | 167 |
142 #endif // RenderGrid_h | 168 #endif // RenderGrid_h |
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