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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "core/layout/ng/NGConstraintSpace.h" | |
| 6 | |
| 7 #include "core/layout/LayoutBox.h" | |
| 8 #include "core/style/ComputedStyle.h" | |
| 9 | |
| 10 namespace blink { | |
| 11 | |
| 12 NGConstraintSpace::NGConstraintSpace(LayoutUnit inlineContainerSize, | |
| 13 LayoutUnit blockContainerSize) | |
| 14 { | |
| 15 m_inlineContainerSize = inlineContainerSize; | |
| 16 m_blockContainerSize = blockContainerSize; | |
| 17 m_inlineTriggersScrollbar = 0; | |
| 18 m_blockTriggersScrollbar = 0; | |
| 19 m_fixedInlineSize = 0; | |
| 20 m_fixedBlockSize = 0; | |
| 21 m_blockFragmentationType = FragmentNone; | |
| 22 } | |
| 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 | |
| 52 void NGConstraintSpace::addExclusion(const NGExclusion exclusion, | |
| 53 unsigned options) | |
| 54 { | |
| 55 | |
| 56 } | |
| 57 | |
| 58 void NGConstraintSpace::setOverflowTriggersScrollbar(bool inlineTriggers, | |
| 59 bool blockTriggers) | |
| 60 { | |
| 61 m_inlineTriggersScrollbar = inlineTriggers; | |
| 62 m_blockTriggersScrollbar = blockTriggers; | |
| 63 } | |
| 64 | |
| 65 void NGConstraintSpace::setFixedSize(bool inlineFixed, bool blockFixed) | |
| 66 { | |
| 67 m_fixedInlineSize = inlineFixed; | |
| 68 m_fixedBlockSize = blockFixed; | |
| 69 } | |
| 70 | |
| 71 void NGConstraintSpace::setFragmentationType(NGFragmentationType type) | |
| 72 { | |
| 73 m_blockFragmentationType = type; | |
| 74 } | |
| 75 | |
| 76 DoublyLinkedList<const NGExclusion> NGConstraintSpace::exclusions( | |
| 77 unsigned options) const | |
| 78 { | |
| 79 DoublyLinkedList<const NGExclusion> exclusions; | |
| 80 // TODO(eae): Implement. | |
| 81 return exclusions; | |
| 82 } | |
| 83 | |
| 84 NGLayoutOpportunityIterator NGConstraintSpace::layoutOpportunities( | |
| 85 unsigned clear, NGExclusionFlowType avoid) const | |
| 86 { | |
| 87 // TODO(eae): Implement. | |
| 88 NGLayoutOpportunityIterator iterator(this, clear, avoid); | |
| 89 return iterator; | |
| 90 } | |
| 91 | |
| 92 } // namespace blink | |
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Chromium Code Reviews
Issue 2228843003:
[LayoutNG] Change core/layout/ng to Chromium style and rename files. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master