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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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21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef RenderGrid_h | 26 #ifndef RenderGrid_h |
27 #define RenderGrid_h | 27 #define RenderGrid_h |
28 | 28 |
29 #include "core/rendering/OrderIterator.h" | 29 #include "core/rendering/OrderIterator.h" |
30 #include "core/rendering/RenderBlock.h" | 30 #include "core/rendering/RenderBlock.h" |
| 31 #include "core/rendering/style/GridResolvedPosition.h" |
31 | 32 |
32 namespace WebCore { | 33 namespace WebCore { |
33 | 34 |
34 struct GridCoordinate; | 35 struct GridCoordinate; |
35 struct GridSpan; | 36 struct GridSpan; |
36 class GridTrack; | 37 class GridTrack; |
37 | 38 |
38 enum GridTrackSizingDirection { | |
39 ForColumns, | |
40 ForRows | |
41 }; | |
42 | |
43 class RenderGrid FINAL : public RenderBlock { | 39 class RenderGrid FINAL : public RenderBlock { |
44 public: | 40 public: |
45 RenderGrid(Element*); | 41 RenderGrid(Element*); |
46 virtual ~RenderGrid(); | 42 virtual ~RenderGrid(); |
47 | 43 |
48 virtual const char* renderName() const OVERRIDE; | 44 virtual const char* renderName() const OVERRIDE; |
49 | 45 |
50 virtual void layoutBlock(bool relayoutChildren) OVERRIDE; | 46 virtual void layoutBlock(bool relayoutChildren) OVERRIDE; |
51 | 47 |
52 virtual bool avoidsFloats() const OVERRIDE { return true; } | 48 virtual bool avoidsFloats() const OVERRIDE { return true; } |
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74 struct GridSizingData; | 70 struct GridSizingData; |
75 bool gridElementIsShrinkToFit(); | 71 bool gridElementIsShrinkToFit(); |
76 void computeUsedBreadthOfGridTracks(GridTrackSizingDirection, GridSizingData
&); | 72 void computeUsedBreadthOfGridTracks(GridTrackSizingDirection, GridSizingData
&); |
77 void computeUsedBreadthOfGridTracks(GridTrackSizingDirection, GridSizingData
&, LayoutUnit& availableLogicalSpace); | 73 void computeUsedBreadthOfGridTracks(GridTrackSizingDirection, GridSizingData
&, LayoutUnit& availableLogicalSpace); |
78 LayoutUnit computeUsedBreadthOfMinLength(GridTrackSizingDirection, const Gri
dLength&) const; | 74 LayoutUnit computeUsedBreadthOfMinLength(GridTrackSizingDirection, const Gri
dLength&) const; |
79 LayoutUnit computeUsedBreadthOfMaxLength(GridTrackSizingDirection, const Gri
dLength&, LayoutUnit usedBreadth) const; | 75 LayoutUnit computeUsedBreadthOfMaxLength(GridTrackSizingDirection, const Gri
dLength&, LayoutUnit usedBreadth) const; |
80 LayoutUnit computeUsedBreadthOfSpecifiedLength(GridTrackSizingDirection, con
st Length&) const; | 76 LayoutUnit computeUsedBreadthOfSpecifiedLength(GridTrackSizingDirection, con
st Length&) const; |
81 void resolveContentBasedTrackSizingFunctions(GridTrackSizingDirection, GridS
izingData&, LayoutUnit& availableLogicalSpace); | 77 void resolveContentBasedTrackSizingFunctions(GridTrackSizingDirection, GridS
izingData&, LayoutUnit& availableLogicalSpace); |
82 | 78 |
83 void growGrid(GridTrackSizingDirection, size_t maximumPosition); | 79 void growGrid(GridTrackSizingDirection, size_t maximumPosition); |
84 void insertItemIntoGrid(RenderBox*, size_t rowTrack, size_t columnTrack); | 80 void insertItemIntoGrid(RenderBox*, const GridResolvedPosition& rowTrack, co
nst GridResolvedPosition& columnTrack); |
85 void insertItemIntoGrid(RenderBox*, const GridCoordinate&); | 81 void insertItemIntoGrid(RenderBox*, const GridCoordinate&); |
86 void placeItemsOnGrid(); | 82 void placeItemsOnGrid(); |
87 void populateExplicitGridAndOrderIterator(); | 83 void populateExplicitGridAndOrderIterator(); |
88 void placeSpecifiedMajorAxisItemsOnGrid(const Vector<RenderBox*>&); | 84 void placeSpecifiedMajorAxisItemsOnGrid(const Vector<RenderBox*>&); |
89 void placeAutoMajorAxisItemsOnGrid(const Vector<RenderBox*>&); | 85 void placeAutoMajorAxisItemsOnGrid(const Vector<RenderBox*>&); |
90 void placeAutoMajorAxisItemOnGrid(RenderBox*); | 86 void placeAutoMajorAxisItemOnGrid(RenderBox*); |
91 GridTrackSizingDirection autoPlacementMajorAxisDirection() const; | 87 GridTrackSizingDirection autoPlacementMajorAxisDirection() const; |
92 GridTrackSizingDirection autoPlacementMinorAxisDirection() const; | 88 GridTrackSizingDirection autoPlacementMinorAxisDirection() const; |
93 | 89 |
94 void layoutGridItems(); | 90 void layoutGridItems(); |
95 void populateGridPositions(const GridSizingData&); | 91 void populateGridPositions(const GridSizingData&); |
96 | 92 |
97 typedef LayoutUnit (RenderGrid::* SizingFunction)(RenderBox*, GridTrackSizin
gDirection, Vector<GridTrack>&); | 93 typedef LayoutUnit (RenderGrid::* SizingFunction)(RenderBox*, GridTrackSizin
gDirection, Vector<GridTrack>&); |
98 typedef LayoutUnit (GridTrack::* AccumulatorGetter)() const; | 94 typedef LayoutUnit (GridTrack::* AccumulatorGetter)() const; |
99 typedef void (GridTrack::* AccumulatorGrowFunction)(LayoutUnit); | 95 typedef void (GridTrack::* AccumulatorGrowFunction)(LayoutUnit); |
100 typedef bool (GridTrackSize::* FilterFunction)() const; | 96 typedef bool (GridTrackSize::* FilterFunction)() const; |
101 void resolveContentBasedTrackSizingFunctionsForItems(GridTrackSizingDirectio
n, GridSizingData&, RenderBox*, FilterFunction, SizingFunction, AccumulatorGette
r, AccumulatorGrowFunction); | 97 void resolveContentBasedTrackSizingFunctionsForItems(GridTrackSizingDirectio
n, GridSizingData&, RenderBox*, FilterFunction, SizingFunction, AccumulatorGette
r, AccumulatorGrowFunction); |
102 void distributeSpaceToTracks(Vector<GridTrack*>&, Vector<GridTrack*>* tracks
ForGrowthAboveMaxBreadth, AccumulatorGetter, AccumulatorGrowFunction, GridSizing
Data&, LayoutUnit& availableLogicalSpace); | 98 void distributeSpaceToTracks(Vector<GridTrack*>&, Vector<GridTrack*>* tracks
ForGrowthAboveMaxBreadth, AccumulatorGetter, AccumulatorGrowFunction, GridSizing
Data&, LayoutUnit& availableLogicalSpace); |
103 | 99 |
104 double computeNormalizedFractionBreadth(Vector<GridTrack>&, const GridSpan&
tracksSpan, GridTrackSizingDirection, LayoutUnit availableLogicalSpace) const; | 100 double computeNormalizedFractionBreadth(Vector<GridTrack>&, const GridSpan&
tracksSpan, GridTrackSizingDirection, LayoutUnit availableLogicalSpace) const; |
105 | 101 |
106 const GridTrackSize& gridTrackSize(GridTrackSizingDirection, size_t) const; | 102 const GridTrackSize& gridTrackSize(GridTrackSizingDirection, size_t) const; |
107 size_t explicitGridColumnCount() const; | |
108 size_t explicitGridRowCount() const; | |
109 size_t explicitGridSizeForSide(GridPositionSide) const; | |
110 | 103 |
111 LayoutUnit logicalContentHeightForChild(RenderBox*, Vector<GridTrack>&); | 104 LayoutUnit logicalContentHeightForChild(RenderBox*, Vector<GridTrack>&); |
112 LayoutUnit minContentForChild(RenderBox*, GridTrackSizingDirection, Vector<G
ridTrack>& columnTracks); | 105 LayoutUnit minContentForChild(RenderBox*, GridTrackSizingDirection, Vector<G
ridTrack>& columnTracks); |
113 LayoutUnit maxContentForChild(RenderBox*, GridTrackSizingDirection, Vector<G
ridTrack>& columnTracks); | 106 LayoutUnit maxContentForChild(RenderBox*, GridTrackSizingDirection, Vector<G
ridTrack>& columnTracks); |
114 LayoutUnit startOfColumnForChild(const RenderBox* child) const; | 107 LayoutUnit startOfColumnForChild(const RenderBox* child) const; |
115 LayoutUnit endOfColumnForChild(const RenderBox* child) const; | 108 LayoutUnit endOfColumnForChild(const RenderBox* child) const; |
116 LayoutUnit columnPositionAlignedWithGridContainerStart(const RenderBox*) con
st; | 109 LayoutUnit columnPositionAlignedWithGridContainerStart(const RenderBox*) con
st; |
117 LayoutUnit columnPositionAlignedWithGridContainerEnd(const RenderBox*) const
; | 110 LayoutUnit columnPositionAlignedWithGridContainerEnd(const RenderBox*) const
; |
118 LayoutUnit centeredColumnPositionForChild(const RenderBox*) const; | 111 LayoutUnit centeredColumnPositionForChild(const RenderBox*) const; |
119 LayoutUnit columnPositionForChild(const RenderBox*) const; | 112 LayoutUnit columnPositionForChild(const RenderBox*) const; |
120 LayoutUnit rowPositionForChild(const RenderBox*) const; | 113 LayoutUnit rowPositionForChild(const RenderBox*) const; |
121 LayoutPoint findChildLogicalPosition(const RenderBox*) const; | 114 LayoutPoint findChildLogicalPosition(const RenderBox*) const; |
122 GridCoordinate cachedGridCoordinate(const RenderBox*) const; | 115 GridCoordinate cachedGridCoordinate(const RenderBox*) const; |
123 | 116 |
124 GridSpan resolveGridPositionsFromAutoPlacementPosition(const RenderBox*, Gri
dTrackSizingDirection, size_t) const; | |
125 PassOwnPtr<GridSpan> resolveGridPositionsFromStyle(const RenderBox*, GridTra
ckSizingDirection) const; | |
126 size_t resolveNamedGridLinePositionFromStyle(const GridPosition&, GridPositi
onSide) const; | |
127 size_t resolveGridPositionFromStyle(const GridPosition&, GridPositionSide) c
onst; | |
128 PassOwnPtr<GridSpan> resolveGridPositionAgainstOppositePosition(size_t resol
vedOppositePosition, const GridPosition&, GridPositionSide) const; | |
129 PassOwnPtr<GridSpan> resolveNamedGridLinePositionAgainstOppositePosition(siz
e_t resolvedOppositePosition, const GridPosition&, GridPositionSide) const; | |
130 PassOwnPtr<GridSpan> resolveBeforeStartNamedGridLinePositionAgainstOppositeP
osition(size_t resolvedOppositePosition, const GridPosition&, const Vector<size_
t>&) const; | |
131 PassOwnPtr<GridSpan> resolveAfterEndNamedGridLinePositionAgainstOppositePosi
tion(size_t resolvedOppositePosition, const GridPosition&, const Vector<size_t>&
) const; | |
132 | |
133 LayoutUnit gridAreaBreadthForChild(const RenderBox* child, GridTrackSizingDi
rection, const Vector<GridTrack>&) const; | 117 LayoutUnit gridAreaBreadthForChild(const RenderBox* child, GridTrackSizingDi
rection, const Vector<GridTrack>&) const; |
134 | 118 |
135 virtual void paintChildren(PaintInfo&, const LayoutPoint&) OVERRIDE; | 119 virtual void paintChildren(PaintInfo&, const LayoutPoint&) OVERRIDE; |
136 | 120 |
137 bool gridIsDirty() const { return m_gridIsDirty; } | 121 bool gridIsDirty() const { return m_gridIsDirty; } |
138 | 122 |
139 #ifndef NDEBUG | 123 #ifndef NDEBUG |
140 bool tracksAreWiderThanMinTrackBreadth(GridTrackSizingDirection, const Vecto
r<GridTrack>&); | 124 bool tracksAreWiderThanMinTrackBreadth(GridTrackSizingDirection, const Vecto
r<GridTrack>&); |
141 #endif | 125 #endif |
142 | 126 |
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162 Vector<RenderBox*> m_gridItemsOverflowingGridArea; | 146 Vector<RenderBox*> m_gridItemsOverflowingGridArea; |
163 | 147 |
164 friend class GridCoordinateSorter; | 148 friend class GridCoordinateSorter; |
165 }; | 149 }; |
166 | 150 |
167 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderGrid, isRenderGrid()); | 151 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderGrid, isRenderGrid()); |
168 | 152 |
169 } // namespace WebCore | 153 } // namespace WebCore |
170 | 154 |
171 #endif // RenderGrid_h | 155 #endif // RenderGrid_h |
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