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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_out_of_flow_layout_part.h" | 5 #include "core/layout/ng/ng_out_of_flow_layout_part.h" |
6 | 6 |
7 #include "core/layout/ng/ng_absolute_utils.h" | 7 #include "core/layout/ng/ng_absolute_utils.h" |
8 #include "core/layout/ng/ng_block_node.h" | 8 #include "core/layout/ng/ng_block_node.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_fragment_base.h" | |
11 #include "core/layout/ng/ng_length_utils.h" | 10 #include "core/layout/ng/ng_length_utils.h" |
12 #include "core/style/ComputedStyle.h" | 11 #include "core/style/ComputedStyle.h" |
| 12 #include "core/layout/ng/ng_fragment.h" |
13 | 13 |
14 namespace blink { | 14 namespace blink { |
15 | 15 |
16 NGOutOfFlowLayoutPart::NGOutOfFlowLayoutPart( | 16 NGOutOfFlowLayoutPart::NGOutOfFlowLayoutPart( |
17 PassRefPtr<const ComputedStyle> container_style, | 17 PassRefPtr<const ComputedStyle> container_style, |
18 NGLogicalSize container_size) { | 18 NGLogicalSize container_size) { |
19 contains_fixed_ = container_style->canContainFixedPositionObjects(); | 19 contains_fixed_ = container_style->canContainFixedPositionObjects(); |
20 contains_absolute_ = | 20 contains_absolute_ = |
21 container_style->canContainAbsolutePositionObjects() || contains_fixed_; | 21 container_style->canContainAbsolutePositionObjects() || contains_fixed_; |
22 // Initialize ConstraintSpace | 22 // Initialize ConstraintSpace |
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53 node_fragment_ = nullptr; | 53 node_fragment_ = nullptr; |
54 node_position_ = NGAbsolutePhysicalPosition(); | 54 node_position_ = NGAbsolutePhysicalPosition(); |
55 inline_estimate_.reset(); | 55 inline_estimate_.reset(); |
56 block_estimate_.reset(); | 56 block_estimate_.reset(); |
57 state_ = kComputeInlineEstimate; | 57 state_ = kComputeInlineEstimate; |
58 return true; | 58 return true; |
59 } | 59 } |
60 return false; | 60 return false; |
61 } | 61 } |
62 | 62 |
63 NGLayoutStatus NGOutOfFlowLayoutPart::Layout(NGFragmentBase** fragment, | 63 NGLayoutStatus NGOutOfFlowLayoutPart::Layout(NGFragment** fragment, |
64 NGLogicalOffset* offset) { | 64 NGLogicalOffset* offset) { |
65 DCHECK(node_); | 65 DCHECK(node_); |
66 switch (state_) { | 66 switch (state_) { |
67 case kComputeInlineEstimate: | 67 case kComputeInlineEstimate: |
68 if (ComputeInlineSizeEstimate()) | 68 if (ComputeInlineSizeEstimate()) |
69 state_ = kPartialPosition; | 69 state_ = kPartialPosition; |
70 break; | 70 break; |
71 case kPartialPosition: | 71 case kPartialPosition: |
72 node_position_ = ComputePartialAbsoluteWithChildInlineSize( | 72 node_position_ = ComputePartialAbsoluteWithChildInlineSize( |
73 *parent_space_, *node_->Style(), static_position_, inline_estimate_); | 73 *parent_space_, *node_->Style(), static_position_, inline_estimate_); |
(...skipping 71 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
145 if (block_estimate_) | 145 if (block_estimate_) |
146 available_size.block_size = *block_estimate_; | 146 available_size.block_size = *block_estimate_; |
147 builder.SetAvailableSize(available_size); | 147 builder.SetAvailableSize(available_size); |
148 builder.SetPercentageResolutionSize(available_size); | 148 builder.SetPercentageResolutionSize(available_size); |
149 if (block_estimate_) | 149 if (block_estimate_) |
150 builder.SetIsFixedSizeBlock(true); | 150 builder.SetIsFixedSizeBlock(true); |
151 builder.SetIsFixedSizeInline(true); | 151 builder.SetIsFixedSizeInline(true); |
152 builder.SetIsNewFormattingContext(true); | 152 builder.SetIsNewFormattingContext(true); |
153 node_space_ = builder.ToConstraintSpace(); | 153 node_space_ = builder.ToConstraintSpace(); |
154 } | 154 } |
155 NGFragmentBase* fragment; | 155 NGFragment* fragment; |
156 if (node_->Layout(node_space_, &fragment)) { | 156 if (node_->Layout(node_space_, &fragment)) { |
157 node_fragment_ = fragment; | 157 node_fragment_ = fragment; |
158 return true; | 158 return true; |
159 } | 159 } |
160 return false; | 160 return false; |
161 } | 161 } |
162 | 162 |
163 DEFINE_TRACE(NGOutOfFlowLayoutPart) { | 163 DEFINE_TRACE(NGOutOfFlowLayoutPart) { |
164 visitor->trace(node_); | 164 visitor->trace(node_); |
165 visitor->trace(parent_space_); | 165 visitor->trace(parent_space_); |
166 visitor->trace(node_fragment_); | 166 visitor->trace(node_fragment_); |
167 visitor->trace(node_space_); | 167 visitor->trace(node_space_); |
168 } | 168 } |
169 } | 169 } |
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