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Side by Side Diff: Source/core/layout/style/GridResolvedPosition.cpp

Issue 926193003: Move rendering/RenderBox to layout/LayoutBox. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 10 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "config.h" 5 #include "config.h"
6 #include "core/layout/style/GridResolvedPosition.h" 6 #include "core/layout/style/GridResolvedPosition.h"
7 7
8 #include "core/layout/LayoutBox.h"
8 #include "core/layout/style/GridCoordinate.h" 9 #include "core/layout/style/GridCoordinate.h"
9 #include "core/rendering/RenderBox.h"
10 10
11 namespace blink { 11 namespace blink {
12 12
13 static const NamedGridLinesMap& gridLinesForSide(const LayoutStyle& style, GridP ositionSide side) 13 static const NamedGridLinesMap& gridLinesForSide(const LayoutStyle& style, GridP ositionSide side)
14 { 14 {
15 return (side == ColumnStartSide || side == ColumnEndSide) ? style.namedGridC olumnLines() : style.namedGridRowLines(); 15 return (side == ColumnStartSide || side == ColumnEndSide) ? style.namedGridC olumnLines() : style.namedGridRowLines();
16 } 16 }
17 17
18 static inline String implicitNamedGridLineForSide(const String& lineName, GridPo sitionSide side) 18 static inline String implicitNamedGridLineForSide(const String& lineName, GridPo sitionSide side)
19 { 19 {
(...skipping 10 matching lines...) Expand all
30 static GridPositionSide calculateInitialPositionSide(GridTrackSizingDirection di rection) 30 static GridPositionSide calculateInitialPositionSide(GridTrackSizingDirection di rection)
31 { 31 {
32 return (direction == ForColumns) ? ColumnStartSide : RowStartSide; 32 return (direction == ForColumns) ? ColumnStartSide : RowStartSide;
33 } 33 }
34 34
35 static GridPositionSide calculateFinalPositionSide(GridTrackSizingDirection dire ction) 35 static GridPositionSide calculateFinalPositionSide(GridTrackSizingDirection dire ction)
36 { 36 {
37 return (direction == ForColumns) ? ColumnEndSide : RowEndSide; 37 return (direction == ForColumns) ? ColumnEndSide : RowEndSide;
38 } 38 }
39 39
40 void GridResolvedPosition::initialAndFinalPositionsFromStyle(const LayoutStyle& gridContainerStyle, const RenderBox& gridItem, GridTrackSizingDirection directio n, GridPosition& initialPosition, GridPosition& finalPosition) 40 void GridResolvedPosition::initialAndFinalPositionsFromStyle(const LayoutStyle& gridContainerStyle, const LayoutBox& gridItem, GridTrackSizingDirection directio n, GridPosition& initialPosition, GridPosition& finalPosition)
41 { 41 {
42 initialPosition = (direction == ForColumns) ? gridItem.style()->gridColumnSt art() : gridItem.style()->gridRowStart(); 42 initialPosition = (direction == ForColumns) ? gridItem.style()->gridColumnSt art() : gridItem.style()->gridRowStart();
43 finalPosition = (direction == ForColumns) ? gridItem.style()->gridColumnEnd( ) : gridItem.style()->gridRowEnd(); 43 finalPosition = (direction == ForColumns) ? gridItem.style()->gridColumnEnd( ) : gridItem.style()->gridRowEnd();
44 GridPositionSide initialPositionSide = calculateInitialPositionSide(directio n); 44 GridPositionSide initialPositionSide = calculateInitialPositionSide(directio n);
45 GridPositionSide finalPositionSide = calculateFinalPositionSide(direction); 45 GridPositionSide finalPositionSide = calculateFinalPositionSide(direction);
46 46
47 // We must handle the placement error handling code here instead of in the S tyleAdjuster because we don't want to 47 // We must handle the placement error handling code here instead of in the S tyleAdjuster because we don't want to
48 // overwrite the specified values. 48 // overwrite the specified values.
49 if (initialPosition.isSpan() && finalPosition.isSpan()) 49 if (initialPosition.isSpan() && finalPosition.isSpan())
50 finalPosition.setAutoPosition(); 50 finalPosition.setAutoPosition();
51 51
52 // Try to early detect the case of non existing named grid lines. This way w e could assume later that 52 // Try to early detect the case of non existing named grid lines. This way w e could assume later that
53 // GridResolvedPosition::resolveGrisPositionFromStyle() always return a vali d resolved position. 53 // GridResolvedPosition::resolveGrisPositionFromStyle() always return a vali d resolved position.
54 if (initialPosition.isNamedGridArea() && !isValidNamedLineOrArea(initialPosi tion.namedGridLine(), gridContainerStyle, initialPositionSide)) 54 if (initialPosition.isNamedGridArea() && !isValidNamedLineOrArea(initialPosi tion.namedGridLine(), gridContainerStyle, initialPositionSide))
55 initialPosition.setAutoPosition(); 55 initialPosition.setAutoPosition();
56 56
57 if (finalPosition.isNamedGridArea() && !isValidNamedLineOrArea(finalPosition .namedGridLine(), gridContainerStyle, finalPositionSide)) 57 if (finalPosition.isNamedGridArea() && !isValidNamedLineOrArea(finalPosition .namedGridLine(), gridContainerStyle, finalPositionSide))
58 finalPosition.setAutoPosition(); 58 finalPosition.setAutoPosition();
59 59
60 // If the grid item has an automatic position and a grid span for a named li ne in a given dimension, instead treat the grid span as one. 60 // If the grid item has an automatic position and a grid span for a named li ne in a given dimension, instead treat the grid span as one.
61 if (initialPosition.isAuto() && finalPosition.isSpan() && !finalPosition.nam edGridLine().isNull()) 61 if (initialPosition.isAuto() && finalPosition.isSpan() && !finalPosition.nam edGridLine().isNull())
62 finalPosition.setSpanPosition(1, String()); 62 finalPosition.setSpanPosition(1, String());
63 if (finalPosition.isAuto() && initialPosition.isSpan() && !initialPosition.n amedGridLine().isNull()) 63 if (finalPosition.isAuto() && initialPosition.isSpan() && !initialPosition.n amedGridLine().isNull())
64 initialPosition.setSpanPosition(1, String()); 64 initialPosition.setSpanPosition(1, String());
65 } 65 }
66 66
67 GridSpan GridResolvedPosition::resolveGridPositionsFromAutoPlacementPosition(con st LayoutStyle& gridContainerStyle, const RenderBox& gridItem, GridTrackSizingDi rection direction, const GridResolvedPosition& resolvedInitialPosition) 67 GridSpan GridResolvedPosition::resolveGridPositionsFromAutoPlacementPosition(con st LayoutStyle& gridContainerStyle, const LayoutBox& gridItem, GridTrackSizingDi rection direction, const GridResolvedPosition& resolvedInitialPosition)
68 { 68 {
69 GridPosition initialPosition, finalPosition; 69 GridPosition initialPosition, finalPosition;
70 initialAndFinalPositionsFromStyle(gridContainerStyle, gridItem, direction, i nitialPosition, finalPosition); 70 initialAndFinalPositionsFromStyle(gridContainerStyle, gridItem, direction, i nitialPosition, finalPosition);
71 71
72 GridPositionSide finalPositionSide = calculateFinalPositionSide(direction); 72 GridPositionSide finalPositionSide = calculateFinalPositionSide(direction);
73 73
74 // This method will only be used when both positions need to be resolved aga inst the opposite one. 74 // This method will only be used when both positions need to be resolved aga inst the opposite one.
75 ASSERT(initialPosition.shouldBeResolvedAgainstOppositePosition() && finalPos ition.shouldBeResolvedAgainstOppositePosition()); 75 ASSERT(initialPosition.shouldBeResolvedAgainstOppositePosition() && finalPos ition.shouldBeResolvedAgainstOppositePosition());
76 76
77 GridResolvedPosition resolvedFinalPosition = resolvedInitialPosition; 77 GridResolvedPosition resolvedFinalPosition = resolvedInitialPosition;
78 78
79 if (initialPosition.isSpan()) 79 if (initialPosition.isSpan())
80 return *resolveGridPositionAgainstOppositePosition(gridContainerStyle, r esolvedInitialPosition, initialPosition, finalPositionSide); 80 return *resolveGridPositionAgainstOppositePosition(gridContainerStyle, r esolvedInitialPosition, initialPosition, finalPositionSide);
81 if (finalPosition.isSpan()) 81 if (finalPosition.isSpan())
82 return *resolveGridPositionAgainstOppositePosition(gridContainerStyle, r esolvedInitialPosition, finalPosition, finalPositionSide); 82 return *resolveGridPositionAgainstOppositePosition(gridContainerStyle, r esolvedInitialPosition, finalPosition, finalPositionSide);
83 83
84 return GridSpan(resolvedInitialPosition, resolvedFinalPosition); 84 return GridSpan(resolvedInitialPosition, resolvedFinalPosition);
85 } 85 }
86 86
87 PassOwnPtr<GridSpan> GridResolvedPosition::resolveGridPositionsFromStyle(const L ayoutStyle& gridContainerStyle, const RenderBox& gridItem, GridTrackSizingDirect ion direction) 87 PassOwnPtr<GridSpan> GridResolvedPosition::resolveGridPositionsFromStyle(const L ayoutStyle& gridContainerStyle, const LayoutBox& gridItem, GridTrackSizingDirect ion direction)
88 { 88 {
89 GridPosition initialPosition, finalPosition; 89 GridPosition initialPosition, finalPosition;
90 initialAndFinalPositionsFromStyle(gridContainerStyle, gridItem, direction, i nitialPosition, finalPosition); 90 initialAndFinalPositionsFromStyle(gridContainerStyle, gridItem, direction, i nitialPosition, finalPosition);
91 91
92 GridPositionSide initialPositionSide = calculateInitialPositionSide(directio n); 92 GridPositionSide initialPositionSide = calculateInitialPositionSide(directio n);
93 GridPositionSide finalPositionSide = calculateFinalPositionSide(direction); 93 GridPositionSide finalPositionSide = calculateFinalPositionSide(direction);
94 94
95 if (initialPosition.shouldBeResolvedAgainstOppositePosition() && finalPositi on.shouldBeResolvedAgainstOppositePosition()) { 95 if (initialPosition.shouldBeResolvedAgainstOppositePosition() && finalPositi on.shouldBeResolvedAgainstOppositePosition()) {
96 // We can't get our grid positions without running the auto placement al gorithm. 96 // We can't get our grid positions without running the auto placement al gorithm.
97 return nullptr; 97 return nullptr;
(...skipping 142 matching lines...) Expand 10 before | Expand all | Expand 10 after
240 240
241 // If there is no named grid line of that name, we resolve the position to ' auto' (which is equivalent to 'span 1' in this case). 241 // If there is no named grid line of that name, we resolve the position to ' auto' (which is equivalent to 'span 1' in this case).
242 // See http://lists.w3.org/Archives/Public/www-style/2013Jun/0394.html. 242 // See http://lists.w3.org/Archives/Public/www-style/2013Jun/0394.html.
243 if (it == gridLinesNames.end()) 243 if (it == gridLinesNames.end())
244 return GridSpan::create(resolvedOppositePosition, resolvedOppositePositi on); 244 return GridSpan::create(resolvedOppositePosition, resolvedOppositePositi on);
245 245
246 return GridSpan::createWithNamedSpanAgainstOpposite(resolvedOppositePosition , position, side, it->value); 246 return GridSpan::createWithNamedSpanAgainstOpposite(resolvedOppositePosition , position, side, it->value);
247 } 247 }
248 248
249 } // namespace blink 249 } // namespace blink
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