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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.h" | 9 #include "core/layout/ng/ng_constraint_space.h" |
10 #include "core/layout/ng/ng_constraint_space_builder.h" | 10 #include "core/layout/ng/ng_constraint_space_builder.h" |
11 #include "core/layout/ng/ng_layout_opportunity_iterator.h" | 11 #include "core/layout/ng/ng_layout_opportunity_iterator.h" |
12 #include "core/layout/ng/ng_units.h" | 12 #include "core/layout/ng/ng_units.h" |
13 | 13 |
14 namespace blink { | 14 namespace blink { |
15 | 15 |
16 NGConstraintSpace::NGConstraintSpace(NGWritingMode writing_mode, | 16 NGConstraintSpace::NGConstraintSpace(NGWritingMode writing_mode, |
17 TextDirection direction, | 17 TextDirection direction, |
18 NGPhysicalConstraintSpace* physical_space) | 18 NGPhysicalConstraintSpace* physical_space) |
19 : physical_space_(physical_space), | 19 : physical_space_(physical_space), |
20 size_(physical_space->available_size_.ConvertToLogical(writing_mode)), | |
21 writing_mode_(writing_mode), | 20 writing_mode_(writing_mode), |
22 direction_(direction) {} | 21 direction_(direction) {} |
23 | 22 |
24 NGConstraintSpace* NGConstraintSpace::CreateFromLayoutObject( | 23 NGConstraintSpace* NGConstraintSpace::CreateFromLayoutObject( |
25 const LayoutBox& box) { | 24 const LayoutBox& box) { |
26 bool fixed_inline = false, fixed_block = false; | 25 bool fixed_inline = false, fixed_block = false; |
27 // XXX for orthogonal writing mode this is not right | 26 // XXX for orthogonal writing mode this is not right |
28 LayoutUnit available_logical_width = | 27 LayoutUnit available_logical_width = |
29 std::max(LayoutUnit(), box.containingBlockLogicalWidthForContent()); | 28 std::max(LayoutUnit(), box.containingBlockLogicalWidthForContent()); |
30 LayoutUnit available_logical_height; | 29 LayoutUnit available_logical_height; |
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136 // TODO(layout-ng): Implement. | 135 // TODO(layout-ng): Implement. |
137 } | 136 } |
138 | 137 |
139 NGLayoutOpportunityIterator* NGConstraintSpace::LayoutOpportunities( | 138 NGLayoutOpportunityIterator* NGConstraintSpace::LayoutOpportunities( |
140 unsigned clear, | 139 unsigned clear, |
141 bool for_inline_or_bfc) { | 140 bool for_inline_or_bfc) { |
142 NGLayoutOpportunityIterator* iterator = new NGLayoutOpportunityIterator(this); | 141 NGLayoutOpportunityIterator* iterator = new NGLayoutOpportunityIterator(this); |
143 return iterator; | 142 return iterator; |
144 } | 143 } |
145 | 144 |
146 void NGConstraintSpace::SetOverflowTriggersScrollbar(bool inline_triggers, | |
147 bool block_triggers) { | |
148 if (writing_mode_ == HorizontalTopBottom) { | |
149 physical_space_->width_direction_triggers_scrollbar_ = inline_triggers; | |
150 physical_space_->height_direction_triggers_scrollbar_ = block_triggers; | |
151 } else { | |
152 physical_space_->width_direction_triggers_scrollbar_ = block_triggers; | |
153 physical_space_->height_direction_triggers_scrollbar_ = inline_triggers; | |
154 } | |
155 } | |
156 | |
157 void NGConstraintSpace::SetFixedSize(bool inline_fixed, bool block_fixed) { | |
158 if (writing_mode_ == HorizontalTopBottom) { | |
159 physical_space_->fixed_width_ = inline_fixed; | |
160 physical_space_->fixed_height_ = block_fixed; | |
161 } else { | |
162 physical_space_->fixed_width_ = block_fixed; | |
163 physical_space_->fixed_height_ = inline_fixed; | |
164 } | |
165 } | |
166 | |
167 void NGConstraintSpace::SetFragmentationType(NGFragmentationType type) { | |
168 if (writing_mode_ == HorizontalTopBottom) { | |
169 DCHECK_EQ(static_cast<NGFragmentationType>( | |
170 physical_space_->width_direction_fragmentation_type_), | |
171 FragmentNone); | |
172 physical_space_->height_direction_fragmentation_type_ = type; | |
173 } else { | |
174 DCHECK_EQ(static_cast<NGFragmentationType>( | |
175 physical_space_->height_direction_fragmentation_type_), | |
176 FragmentNone); | |
177 physical_space_->width_direction_triggers_scrollbar_ = type; | |
178 } | |
179 } | |
180 | |
181 void NGConstraintSpace::SetIsNewFormattingContext(bool is_new_fc) { | |
182 physical_space_->is_new_fc_ = is_new_fc; | |
183 } | |
184 | |
185 NGConstraintSpace* NGConstraintSpace::ChildSpace( | 145 NGConstraintSpace* NGConstraintSpace::ChildSpace( |
186 const ComputedStyle* style) const { | 146 const ComputedStyle* style) const { |
187 return new NGConstraintSpace(FromPlatformWritingMode(style->getWritingMode()), | 147 return new NGConstraintSpace(FromPlatformWritingMode(style->getWritingMode()), |
188 style->direction(), MutablePhysicalSpace()); | 148 style->direction(), MutablePhysicalSpace()); |
189 } | 149 } |
190 | 150 |
191 String NGConstraintSpace::ToString() const { | 151 String NGConstraintSpace::ToString() const { |
192 return String::format("%s,%s %sx%s", | 152 return String::format("%s,%s %sx%s", |
193 offset_.inline_offset.toString().ascii().data(), | 153 offset_.inline_offset.toString().ascii().data(), |
194 offset_.block_offset.toString().ascii().data(), | 154 offset_.block_offset.toString().ascii().data(), |
195 size_.inline_size.toString().ascii().data(), | 155 AvailableSize().inline_size.toString().ascii().data(), |
196 size_.block_size.toString().ascii().data()); | 156 AvailableSize().block_size.toString().ascii().data()); |
197 } | 157 } |
198 | 158 |
199 } // namespace blink | 159 } // namespace blink |
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