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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_constraint_space.h" | 5 #include "core/layout/ng/ng_constraint_space.h" |
6 | 6 |
7 #include "core/layout/LayoutBlock.h" | 7 #include "core/layout/LayoutBlock.h" |
8 #include "core/layout/LayoutView.h" | 8 #include "core/layout/LayoutView.h" |
9 #include "core/layout/ng/ng_constraint_space_builder.h" | 9 #include "core/layout/ng/ng_constraint_space_builder.h" |
10 #include "core/layout/ng/ng_layout_opportunity_iterator.h" | 10 #include "core/layout/ng/ng_layout_opportunity_iterator.h" |
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128 void NGConstraintSpace::AddExclusion(const NGExclusion& exclusion) { | 128 void NGConstraintSpace::AddExclusion(const NGExclusion& exclusion) { |
129 exclusions_->Add(exclusion); | 129 exclusions_->Add(exclusion); |
130 // Invalidate the Layout Opportunity Iterator. | 130 // Invalidate the Layout Opportunity Iterator. |
131 layout_opp_iter_.reset(); | 131 layout_opp_iter_.reset(); |
132 } | 132 } |
133 | 133 |
134 NGFragmentationType NGConstraintSpace::BlockFragmentationType() const { | 134 NGFragmentationType NGConstraintSpace::BlockFragmentationType() const { |
135 return static_cast<NGFragmentationType>(block_direction_fragmentation_type_); | 135 return static_cast<NGFragmentationType>(block_direction_fragmentation_type_); |
136 } | 136 } |
137 | 137 |
138 NGLayoutOpportunityIterator* NGConstraintSpace::LayoutOpportunityIterator() { | 138 NGLayoutOpportunityIterator* NGConstraintSpace::LayoutOpportunityIterator( |
| 139 const NGLogicalOffset& iter_offset) { |
| 140 if (layout_opp_iter_ && layout_opp_iter_->Offset() != iter_offset) |
| 141 layout_opp_iter_.reset(); |
| 142 |
139 if (!layout_opp_iter_) { | 143 if (!layout_opp_iter_) { |
140 layout_opp_iter_ = | 144 layout_opp_iter_ = |
141 WTF::makeUnique<NGLayoutOpportunityIterator>(this, this->bfc_offset_); | 145 WTF::makeUnique<NGLayoutOpportunityIterator>(this, iter_offset); |
142 } | 146 } |
143 return layout_opp_iter_.get(); | 147 return layout_opp_iter_.get(); |
144 } | 148 } |
145 | 149 |
146 String NGConstraintSpace::ToString() const { | 150 String NGConstraintSpace::ToString() const { |
147 return String::format( | 151 return String::format( |
148 "Offset: %s,%s Size: %sx%s MarginStrut: %s" | 152 "Offset: %s,%s Size: %sx%s MarginStrut: %s" |
149 " Clearance: %s", | 153 " Clearance: %s", |
150 bfc_offset_.inline_offset.toString().ascii().data(), | 154 bfc_offset_.inline_offset.toString().ascii().data(), |
151 bfc_offset_.block_offset.toString().ascii().data(), | 155 bfc_offset_.block_offset.toString().ascii().data(), |
152 AvailableSize().inline_size.toString().ascii().data(), | 156 AvailableSize().inline_size.toString().ascii().data(), |
153 AvailableSize().block_size.toString().ascii().data(), | 157 AvailableSize().block_size.toString().ascii().data(), |
154 margin_strut_.ToString().ascii().data(), | 158 margin_strut_.ToString().ascii().data(), |
155 clearance_offset_.has_value() | 159 clearance_offset_.has_value() |
156 ? clearance_offset_.value().toString().ascii().data() | 160 ? clearance_offset_.value().toString().ascii().data() |
157 : "none"); | 161 : "none"); |
158 } | 162 } |
159 | 163 |
160 } // namespace blink | 164 } // namespace blink |
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