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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_box.h" | 5 #include "core/layout/ng/ng_box.h" |
6 | 6 |
7 #include "core/layout/ng/layout_ng_block_flow.h" | 7 #include "core/layout/ng/layout_ng_block_flow.h" |
8 #include "core/layout/ng/ng_block_layout_algorithm.h" | 8 #include "core/layout/ng/ng_block_layout_algorithm.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_direction.h" | 10 #include "core/layout/ng/ng_direction.h" |
11 #include "core/layout/ng/ng_fragment.h" | 11 #include "core/layout/ng/ng_fragment.h" |
12 #include "core/layout/ng/ng_fragment_builder.h" | 12 #include "core/layout/ng/ng_fragment_builder.h" |
13 #include "core/layout/ng/ng_length_utils.h" | |
13 #include "core/layout/ng/ng_writing_mode.h" | 14 #include "core/layout/ng/ng_writing_mode.h" |
14 | 15 |
15 namespace blink { | 16 namespace blink { |
16 NGBox::NGBox(LayoutObject* layout_object) | 17 NGBox::NGBox(LayoutObject* layout_object) |
17 : layout_box_(toLayoutBox(layout_object)) { | 18 : layout_box_(toLayoutBox(layout_object)) { |
18 DCHECK(layout_box_); | 19 DCHECK(layout_box_); |
19 } | 20 } |
20 | 21 |
21 NGBox::NGBox(ComputedStyle* style) : layout_box_(nullptr), style_(style) { | 22 NGBox::NGBox(ComputedStyle* style) : layout_box_(nullptr), style_(style) { |
22 DCHECK(style_); | 23 DCHECK(style_); |
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35 FromPlatformWritingMode(Style()->getWritingMode()), constraint_space); | 36 FromPlatformWritingMode(Style()->getWritingMode()), constraint_space); |
36 | 37 |
37 NGPhysicalFragment* fragment = nullptr; | 38 NGPhysicalFragment* fragment = nullptr; |
38 if (!algorithm_->Layout(child_constraint_space, &fragment)) | 39 if (!algorithm_->Layout(child_constraint_space, &fragment)) |
39 return false; | 40 return false; |
40 fragment_ = fragment; | 41 fragment_ = fragment; |
41 | 42 |
42 if (layout_box_) { | 43 if (layout_box_) { |
43 layout_box_->setWidth(fragment_->Width()); | 44 layout_box_->setWidth(fragment_->Width()); |
44 layout_box_->setHeight(fragment_->Height()); | 45 layout_box_->setHeight(fragment_->Height()); |
46 NGBoxStrut border_and_padding = | |
Gleb Lanbin
2016/09/14 20:54:17
.nit should we use plural nouns here?
const auto b
| |
47 computeBorders(*style_) + computePadding(*constraint_space, *style_); | |
48 LayoutUnit intrinsic_logical_height = | |
49 layout_box_->style()->isHorizontalWritingMode() | |
50 ? fragment_->HeightOverflow() | |
51 : fragment_->WidthOverflow(); | |
52 intrinsic_logical_height -= border_and_padding.BlockSum(); | |
53 layout_box_->setIntrinsicContentLogicalHeight(intrinsic_logical_height); | |
45 | 54 |
46 // Ensure the position of the children are copied across to the | 55 // Ensure the position of the children are copied across to the |
47 // LayoutObject tree. | 56 // LayoutObject tree. |
48 for (NGBox* box = FirstChild(); box; box = box->NextSibling()) { | 57 for (NGBox* box = FirstChild(); box; box = box->NextSibling()) { |
49 if (box->fragment_) | 58 if (box->fragment_) |
50 box->PositionUpdated(); | 59 box->PositionUpdated(); |
51 } | 60 } |
52 | 61 |
53 if (layout_box_->isLayoutBlock()) | 62 if (layout_box_->isLayoutBlock()) |
54 toLayoutBlock(layout_box_)->layoutPositionedObjects(true); | 63 toLayoutBlock(layout_box_)->layoutPositionedObjects(true); |
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128 | 137 |
129 bool NGBox::CanUseNewLayout() { | 138 bool NGBox::CanUseNewLayout() { |
130 if (!layout_box_) | 139 if (!layout_box_) |
131 return true; | 140 return true; |
132 if (!layout_box_->isLayoutBlockFlow()) | 141 if (!layout_box_->isLayoutBlockFlow()) |
133 return false; | 142 return false; |
134 const LayoutBlockFlow* block_flow = toLayoutBlockFlow(layout_box_); | 143 const LayoutBlockFlow* block_flow = toLayoutBlockFlow(layout_box_); |
135 return !block_flow->childrenInline() || !block_flow->firstChild(); | 144 return !block_flow->childrenInline() || !block_flow->firstChild(); |
136 } | 145 } |
137 } // namespace blink | 146 } // namespace blink |
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