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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_layout_algorithm.h" | 5 #include "core/layout/ng/ng_block_layout_algorithm.h" |
6 | 6 |
7 #include "core/layout/LayoutBox.h" | 7 #include "core/layout/LayoutBox.h" |
8 #include "core/layout/ng/ng_constraint_space.h" | 8 #include "core/layout/ng/ng_constraint_space.h" |
9 #include "core/layout/ng/ng_fragment.h" | 9 #include "core/layout/ng/ng_fragment.h" |
10 #include "core/layout/ng/ng_length_utils.h" | 10 #include "core/layout/ng/ng_length_utils.h" |
| 11 #include "core/layout/ng/ng_margin_strut.h" |
11 #include "core/style/ComputedStyle.h" | 12 #include "core/style/ComputedStyle.h" |
12 #include "platform/LengthFunctions.h" | 13 #include "platform/LengthFunctions.h" |
13 | 14 |
14 namespace blink { | 15 namespace blink { |
15 | 16 |
16 NGBlockLayoutAlgorithm::NGBlockLayoutAlgorithm( | 17 NGBlockLayoutAlgorithm::NGBlockLayoutAlgorithm( |
17 PassRefPtr<const ComputedStyle> style, | 18 PassRefPtr<const ComputedStyle> style, |
18 NGBoxIterator boxIterator) | 19 NGBoxIterator boxIterator) |
19 : m_style(style), m_boxIterator(boxIterator) {} | 20 : m_style(style), m_boxIterator(boxIterator) {} |
20 | 21 |
21 NGFragment* NGBlockLayoutAlgorithm::layout( | 22 NGFragment* NGBlockLayoutAlgorithm::layout( |
22 const NGConstraintSpace& constraintSpace) { | 23 const NGConstraintSpace& constraintSpace) { |
23 LayoutUnit inlineSize = | 24 LayoutUnit inlineSize = |
24 computeInlineSizeForFragment(constraintSpace, *m_style); | 25 computeInlineSizeForFragment(constraintSpace, *m_style); |
25 | 26 |
26 HeapVector<Member<const NGFragmentBase>> childFragments; | 27 HeapVector<Member<const NGFragmentBase>> childFragments; |
27 LayoutUnit contentSize; | 28 LayoutUnit contentSize; |
28 for (NGBox box : m_boxIterator) { | 29 for (NGBox box : m_boxIterator) { |
| 30 NGBoxMargins childMargins = computeMargins(constraintSpace, *box.style()); |
29 NGFragment* fragment = box.layout(constraintSpace); | 31 NGFragment* fragment = box.layout(constraintSpace); |
30 // TODO(layout-ng): Take margins into account | 32 // TODO(layout-ng): Support auto margins |
31 fragment->setOffset(LayoutUnit(), contentSize); | 33 fragment->setOffset(childMargins.inlineStart, |
| 34 contentSize + childMargins.blockStart); |
32 box.positionUpdated(*fragment); | 35 box.positionUpdated(*fragment); |
33 contentSize += fragment->blockSize(); | 36 contentSize += fragment->blockSize() + childMargins.blockSum(); |
34 childFragments.append(fragment); | 37 childFragments.append(fragment); |
35 } | 38 } |
36 | 39 |
37 LayoutUnit blockSize = | 40 LayoutUnit blockSize = |
38 computeBlockSizeForFragment(constraintSpace, *m_style, contentSize); | 41 computeBlockSizeForFragment(constraintSpace, *m_style, contentSize); |
39 NGFragment* returnFragment = | 42 NGFragment* returnFragment = |
40 new NGFragment(inlineSize, blockSize, inlineSize, blockSize, | 43 new NGFragment(inlineSize, blockSize, inlineSize, blockSize, |
41 HorizontalTopBottom, LeftToRight); | 44 HorizontalTopBottom, LeftToRight); |
42 returnFragment->swapChildren(childFragments); | 45 returnFragment->swapChildren(childFragments); |
43 return returnFragment; | 46 return returnFragment; |
44 } | 47 } |
45 | 48 |
46 } // namespace blink | 49 } // namespace blink |
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