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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/style/ComputedStyle.h" | 11 #include "core/style/ComputedStyle.h" |
12 #include "platform/LengthFunctions.h" | 12 #include "platform/LengthFunctions.h" |
13 | 13 |
14 namespace blink { | 14 namespace blink { |
15 | 15 |
16 NGBlockLayoutAlgorithm::NGBlockLayoutAlgorithm( | 16 NGBlockLayoutAlgorithm::NGBlockLayoutAlgorithm( |
17 PassRefPtr<const ComputedStyle> style, | 17 PassRefPtr<const ComputedStyle> style, |
18 NGBoxIterator boxIterator) | 18 NGBox firstChild) |
19 : m_style(style), m_boxIterator(boxIterator) {} | 19 : m_style(style), m_firstChild(firstChild) {} |
20 | 20 |
21 NGFragment* NGBlockLayoutAlgorithm::layout( | 21 NGFragment* NGBlockLayoutAlgorithm::layout( |
22 const NGConstraintSpace& constraintSpace) { | 22 const NGConstraintSpace& constraintSpace) { |
23 LayoutUnit inlineSize = | 23 LayoutUnit inlineSize = |
24 computeInlineSizeForFragment(constraintSpace, *m_style); | 24 computeInlineSizeForFragment(constraintSpace, *m_style); |
25 | 25 |
26 HeapVector<Member<const NGFragmentBase>> childFragments; | 26 HeapVector<Member<const NGFragmentBase>> childFragments; |
| 27 |
27 LayoutUnit contentSize; | 28 LayoutUnit contentSize; |
28 for (NGBox curr = m_boxIterator.first(); curr; m_boxIterator.next()) { | 29 for (NGBox curr = m_firstChild; curr; curr.nextSibling()) { |
29 NGFragment* fragment = curr.layout(constraintSpace); | 30 NGFragment* fragment = curr.layout(constraintSpace); |
30 // TODO(layout-ng): Take margins into account | 31 // TODO(layout-ng): Take margins into account |
31 fragment->setOffset(LayoutUnit(), contentSize); | 32 fragment->setOffset(LayoutUnit(), contentSize); |
32 contentSize += fragment->blockSize(); | 33 contentSize += fragment->blockSize(); |
33 childFragments.append(fragment); | 34 childFragments.append(fragment); |
34 } | 35 } |
35 | 36 |
36 LayoutUnit blockSize = | 37 LayoutUnit blockSize = |
37 computeBlockSizeForFragment(constraintSpace, *m_style, contentSize); | 38 computeBlockSizeForFragment(constraintSpace, *m_style, contentSize); |
38 NGFragment* returnFragment = new NGFragment( | 39 NGFragment* returnFragment = new NGFragment( |
39 inlineSize, blockSize, inlineSize, blockSize, | 40 inlineSize, blockSize, inlineSize, blockSize, |
40 NGFragmentBase::HorizontalTopBottom, NGFragmentBase::LeftToRight); | 41 NGFragmentBase::HorizontalTopBottom, NGFragmentBase::LeftToRight); |
41 returnFragment->swapChildren(childFragments); | 42 returnFragment->swapChildren(childFragments); |
42 return returnFragment; | 43 return returnFragment; |
43 } | 44 } |
44 | 45 |
45 } // namespace blink | 46 } // namespace blink |
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