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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com) | 4 * (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com) |
5 * (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com) | 5 * (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com) |
6 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv ed. | 6 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserv ed. |
7 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. | 7 * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. |
8 * | 8 * |
9 * This library is free software; you can redistribute it and/or | 9 * This library is free software; you can redistribute it and/or |
10 * modify it under the terms of the GNU Library General Public | 10 * modify it under the terms of the GNU Library General Public |
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95 | 95 |
96 RenderBox::RenderBox(ContainerNode* node) | 96 RenderBox::RenderBox(ContainerNode* node) |
97 : RenderBoxModelObject(node) | 97 : RenderBoxModelObject(node) |
98 , m_intrinsicContentLogicalHeight(-1) | 98 , m_intrinsicContentLogicalHeight(-1) |
99 , m_minPreferredLogicalWidth(-1) | 99 , m_minPreferredLogicalWidth(-1) |
100 , m_maxPreferredLogicalWidth(-1) | 100 , m_maxPreferredLogicalWidth(-1) |
101 { | 101 { |
102 setIsBox(); | 102 setIsBox(); |
103 } | 103 } |
104 | 104 |
105 LayerType RenderBox::layerTypeRequired() const | |
106 { | |
107 // hasAutoZIndex only returns true if the element is positioned or a flex-it em since | |
108 // position:static elements that are not flex-items get their z-index coerce d to auto. | |
109 if (isPositioned() || createsGroup() || hasClipPath() || hasTransformRelated Property() || hasHiddenBackface() || hasReflection() || style()->specifiesColumn s() || !style()->hasAutoZIndex() || style()->shouldCompositeForCurrentAnimations ()) | |
skobes
2015/01/07 18:49:24
Could you wrap this line at some reasonable length
Rick Byers
2015/01/08 21:08:11
Done.
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110 return NormalLayer; | |
111 if (style()->hasScrollBlocksOn()) { | |
112 if (isDocumentElement()) { | |
Ian Vollick
2015/01/06 04:13:51
Once skobes' root layer scroll refactor is done, t
skobes
2015/01/07 18:49:24
If I'm reading it right, this check is just making
Rick Byers
2015/01/08 21:08:11
Right. I've added a comment to clarify this.
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113 ASSERT(style()->scrollBlocksOn() == view()->style()->scrollBlocksOn( )); | |
114 return NoLayer; | |
115 } | |
116 return NormalLayer; | |
117 } | |
118 if (hasOverflowClip()) | |
119 return OverflowClipLayer; | |
120 | |
121 return NoLayer; | |
122 } | |
123 | |
105 void RenderBox::willBeRemovedFromTree() | 124 void RenderBox::willBeRemovedFromTree() |
106 { | 125 { |
107 if (m_rareData && m_rareData->m_spannerPlaceholder) { | 126 if (m_rareData && m_rareData->m_spannerPlaceholder) { |
108 m_rareData->m_spannerPlaceholder->spannerWillBeRemoved(); | 127 m_rareData->m_spannerPlaceholder->spannerWillBeRemoved(); |
109 m_rareData->m_spannerPlaceholder = 0; | 128 m_rareData->m_spannerPlaceholder = 0; |
110 } | 129 } |
111 RenderBoxModelObject::willBeRemovedFromTree(); | 130 RenderBoxModelObject::willBeRemovedFromTree(); |
112 } | 131 } |
113 | 132 |
114 void RenderBox::willBeDestroyed() | 133 void RenderBox::willBeDestroyed() |
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4519 computedValues.m_margins.m_end = marginEnd(); | 4538 computedValues.m_margins.m_end = marginEnd(); |
4520 | 4539 |
4521 setLogicalTop(oldLogicalTop); | 4540 setLogicalTop(oldLogicalTop); |
4522 setLogicalWidth(oldLogicalWidth); | 4541 setLogicalWidth(oldLogicalWidth); |
4523 setLogicalLeft(oldLogicalLeft); | 4542 setLogicalLeft(oldLogicalLeft); |
4524 setMarginLeft(oldMarginLeft); | 4543 setMarginLeft(oldMarginLeft); |
4525 setMarginRight(oldMarginRight); | 4544 setMarginRight(oldMarginRight); |
4526 } | 4545 } |
4527 | 4546 |
4528 } // namespace blink | 4547 } // namespace blink |
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