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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 "core/layout/ng/ng_block_node.h" | 5 #include "core/layout/ng/ng_block_node.h" |
6 | 6 |
7 #include "core/layout/LayoutBlockFlow.h" | 7 #include "core/layout/LayoutBlockFlow.h" |
8 #include "core/layout/api/LineLayoutAPIShim.h" | 8 #include "core/layout/api/LineLayoutAPIShim.h" |
9 #include "core/layout/line/InlineIterator.h" | 9 #include "core/layout/line/InlineIterator.h" |
10 #include "core/layout/ng/layout_ng_block_flow.h" | 10 #include "core/layout/ng/layout_ng_block_flow.h" |
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93 if (!minmax_algorithm_) { | 93 if (!minmax_algorithm_) { |
94 NGConstraintSpaceBuilder builder( | 94 NGConstraintSpaceBuilder builder( |
95 FromPlatformWritingMode(Style()->getWritingMode())); | 95 FromPlatformWritingMode(Style()->getWritingMode())); |
96 | 96 |
97 builder.SetAvailableSize(NGLogicalSize(LayoutUnit(), LayoutUnit())); | 97 builder.SetAvailableSize(NGLogicalSize(LayoutUnit(), LayoutUnit())); |
98 builder.SetPercentageResolutionSize( | 98 builder.SetPercentageResolutionSize( |
99 NGLogicalSize(LayoutUnit(), LayoutUnit())); | 99 NGLogicalSize(LayoutUnit(), LayoutUnit())); |
100 // TODO(layoutng): Use builder.ToConstraintSpace.ToLogicalConstraintSpace | 100 // TODO(layoutng): Use builder.ToConstraintSpace.ToLogicalConstraintSpace |
101 // once | 101 // once |
102 // that's available. | 102 // that's available. |
103 NGConstraintSpace* constraint_space = new NGConstraintSpace( | 103 NGConstraintSpace* constraint_space = |
104 FromPlatformWritingMode(Style()->getWritingMode()), | 104 NGConstraintSpaceBuilder( |
105 Style()->direction(), builder.ToConstraintSpace()); | 105 FromPlatformWritingMode(Style()->getWritingMode())) |
| 106 .SetTextDirection(Style()->direction()) |
| 107 .ToConstraintSpace(); |
106 | 108 |
107 minmax_algorithm_ = new NGBlockLayoutAlgorithm( | 109 minmax_algorithm_ = new NGBlockLayoutAlgorithm( |
108 Style(), toNGBlockNode(FirstChild()), constraint_space); | 110 Style(), toNGBlockNode(FirstChild()), constraint_space); |
109 } | 111 } |
110 // TODO(cbiesinger): For orthogonal children, we need to always synthesize. | 112 // TODO(cbiesinger): For orthogonal children, we need to always synthesize. |
111 NGLayoutAlgorithm::MinAndMaxState state = | 113 NGLayoutAlgorithm::MinAndMaxState state = |
112 minmax_algorithm_->ComputeMinAndMaxContentSizes(sizes); | 114 minmax_algorithm_->ComputeMinAndMaxContentSizes(sizes); |
113 if (state == NGLayoutAlgorithm::Success) | 115 if (state == NGLayoutAlgorithm::Success) |
114 return true; | 116 return true; |
115 if (state == NGLayoutAlgorithm::Pending) | 117 if (state == NGLayoutAlgorithm::Pending) |
116 return false; | 118 return false; |
117 DCHECK_EQ(state, NGLayoutAlgorithm::NotImplemented); | 119 DCHECK_EQ(state, NGLayoutAlgorithm::NotImplemented); |
118 | 120 |
119 // TODO(cbiesinger): Replace the loops below with a state machine like in | 121 // TODO(cbiesinger): Replace the loops below with a state machine like in |
120 // Layout. | 122 // Layout. |
121 | 123 |
122 // Have to synthesize this value. | 124 // Have to synthesize this value. |
123 NGPhysicalFragmentBase* physical_fragment; | 125 NGPhysicalFragmentBase* physical_fragment; |
124 while (!minmax_algorithm_->Layout(nullptr, &physical_fragment, nullptr)) | 126 while (!minmax_algorithm_->Layout(nullptr, &physical_fragment, nullptr)) |
125 continue; | 127 continue; |
126 NGFragment* fragment = new NGFragment( | 128 NGFragment* fragment = new NGFragment( |
127 FromPlatformWritingMode(Style()->getWritingMode()), Style()->direction(), | 129 FromPlatformWritingMode(Style()->getWritingMode()), Style()->direction(), |
128 toNGPhysicalFragment(physical_fragment)); | 130 toNGPhysicalFragment(physical_fragment)); |
129 | 131 |
130 sizes->min_content = fragment->InlineOverflow(); | 132 sizes->min_content = fragment->InlineOverflow(); |
131 | 133 |
132 // Now, redo with infinite space for max_content | 134 // Now, redo with infinite space for max_content |
133 NGConstraintSpaceBuilder builder( | |
134 FromPlatformWritingMode(Style()->getWritingMode())); | |
135 builder.SetAvailableSize(NGLogicalSize(LayoutUnit::max(), LayoutUnit())); | |
136 builder.SetPercentageResolutionSize( | |
137 NGLogicalSize(LayoutUnit(), LayoutUnit())); | |
138 NGConstraintSpace* constraint_space = | 135 NGConstraintSpace* constraint_space = |
139 new NGConstraintSpace(FromPlatformWritingMode(Style()->getWritingMode()), | 136 NGConstraintSpaceBuilder( |
140 Style()->direction(), builder.ToConstraintSpace()); | 137 FromPlatformWritingMode(Style()->getWritingMode())) |
| 138 .SetTextDirection(Style()->direction()) |
| 139 .SetAvailableSize({LayoutUnit::max(), LayoutUnit()}) |
| 140 .SetPercentageResolutionSize({LayoutUnit(), LayoutUnit()}) |
| 141 .ToConstraintSpace(); |
141 | 142 |
142 minmax_algorithm_ = new NGBlockLayoutAlgorithm( | 143 minmax_algorithm_ = new NGBlockLayoutAlgorithm( |
143 Style(), toNGBlockNode(FirstChild()), constraint_space); | 144 Style(), toNGBlockNode(FirstChild()), constraint_space); |
144 while (!minmax_algorithm_->Layout(nullptr, &physical_fragment, nullptr)) | 145 while (!minmax_algorithm_->Layout(nullptr, &physical_fragment, nullptr)) |
145 continue; | 146 continue; |
146 | 147 |
147 fragment = new NGFragment(FromPlatformWritingMode(Style()->getWritingMode()), | 148 fragment = new NGFragment(FromPlatformWritingMode(Style()->getWritingMode()), |
148 Style()->direction(), | 149 Style()->direction(), |
149 toNGPhysicalFragment(physical_fragment)); | 150 toNGPhysicalFragment(physical_fragment)); |
150 sizes->max_content = fragment->InlineOverflow(); | 151 sizes->max_content = fragment->InlineOverflow(); |
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315 .SetBlockSize(layout_box_->logicalHeight()) | 316 .SetBlockSize(layout_box_->logicalHeight()) |
316 .SetDirection(layout_box_->styleRef().direction()) | 317 .SetDirection(layout_box_->styleRef().direction()) |
317 .SetWritingMode( | 318 .SetWritingMode( |
318 FromPlatformWritingMode(layout_box_->styleRef().getWritingMode())) | 319 FromPlatformWritingMode(layout_box_->styleRef().getWritingMode())) |
319 .SetInlineOverflow(overflow.width()) | 320 .SetInlineOverflow(overflow.width()) |
320 .SetBlockOverflow(overflow.height()); | 321 .SetBlockOverflow(overflow.height()); |
321 return builder.ToFragment(); | 322 return builder.ToFragment(); |
322 } | 323 } |
323 | 324 |
324 } // namespace blink | 325 } // namespace blink |
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