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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/NGConstraintSpace.h" | 5 #include "core/layout/ng/NGConstraintSpace.h" |
6 | 6 |
| 7 #include "core/layout/LayoutBox.h" |
| 8 #include "core/style/ComputedStyle.h" |
| 9 |
7 namespace blink { | 10 namespace blink { |
8 | 11 |
9 NGConstraintSpace::NGConstraintSpace(LayoutUnit inlineContainerSize, | 12 NGConstraintSpace::NGConstraintSpace(LayoutUnit inlineContainerSize, |
10 LayoutUnit blockContainerSize) | 13 LayoutUnit blockContainerSize) |
11 { | 14 { |
12 m_inlineContainerSize = inlineContainerSize; | 15 m_inlineContainerSize = inlineContainerSize; |
13 m_blockContainerSize = blockContainerSize; | 16 m_blockContainerSize = blockContainerSize; |
14 m_inlineTriggersScrollbar = 0; | 17 m_inlineTriggersScrollbar = 0; |
15 m_blockTriggersScrollbar = 0; | 18 m_blockTriggersScrollbar = 0; |
16 m_fixedInlineSize = 0; | 19 m_fixedInlineSize = 0; |
17 m_fixedBlockSize = 0; | 20 m_fixedBlockSize = 0; |
18 m_blockFragmentationType = FragmentNone; | 21 m_blockFragmentationType = FragmentNone; |
19 } | 22 } |
20 | 23 |
| 24 NGConstraintSpace NGConstraintSpace::fromLayoutObject( |
| 25 const LayoutBox& child) |
| 26 { |
| 27 bool fixedInline = false, fixedBlock = false; |
| 28 // XXX for orthogonal writing mode this is not right |
| 29 LayoutUnit containerLogicalWidth = std::max(LayoutUnit(), |
| 30 child.containingBlockLogicalWidthForContent()); |
| 31 // XXX Make sure this height is correct |
| 32 LayoutUnit containerLogicalHeight = |
| 33 child.containingBlockLogicalHeightForContent( |
| 34 ExcludeMarginBorderPadding); |
| 35 if (child.hasOverrideLogicalContentWidth()) { |
| 36 containerLogicalWidth = child.overrideLogicalContentWidth(); |
| 37 fixedInline = true; |
| 38 } |
| 39 if (child.hasOverrideLogicalContentHeight()) { |
| 40 containerLogicalWidth = child.overrideLogicalContentHeight(); |
| 41 fixedBlock = true; |
| 42 } |
| 43 NGConstraintSpace space(containerLogicalWidth, containerLogicalHeight); |
| 44 // XXX vertical writing mode |
| 45 space.setOverflowTriggersScrollbar( |
| 46 child.styleRef().overflowX() == OverflowAuto, |
| 47 child.styleRef().overflowY() == OverflowAuto); |
| 48 space.setFixedSize(fixedInline, fixedBlock); |
| 49 return space; |
| 50 } |
| 51 |
21 void NGConstraintSpace::addExclusion(const NGExclusion exclusion, | 52 void NGConstraintSpace::addExclusion(const NGExclusion exclusion, |
22 unsigned options) | 53 unsigned options) |
23 { | 54 { |
24 | 55 |
25 } | 56 } |
26 | 57 |
27 void NGConstraintSpace::setOverflowTriggersScrollbar(bool inlineTriggers, | 58 void NGConstraintSpace::setOverflowTriggersScrollbar(bool inlineTriggers, |
28 bool blockTriggers) | 59 bool blockTriggers) |
29 { | 60 { |
30 m_inlineTriggersScrollbar = inlineTriggers; | 61 m_inlineTriggersScrollbar = inlineTriggers; |
(...skipping 21 matching lines...) Expand all Loading... |
52 | 83 |
53 NGLayoutOpportunityIterator NGConstraintSpace::layoutOpportunities( | 84 NGLayoutOpportunityIterator NGConstraintSpace::layoutOpportunities( |
54 unsigned clear, NGExclusionFlowType avoid) const | 85 unsigned clear, NGExclusionFlowType avoid) const |
55 { | 86 { |
56 // TODO(eae): Implement. | 87 // TODO(eae): Implement. |
57 NGLayoutOpportunityIterator iterator(this, clear, avoid); | 88 NGLayoutOpportunityIterator iterator(this, clear, avoid); |
58 return iterator; | 89 return iterator; |
59 } | 90 } |
60 | 91 |
61 } // namespace blink | 92 } // namespace blink |
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