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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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101 { | 101 { |
102 setIsBox(); | 102 setIsBox(); |
103 } | 103 } |
104 | 104 |
105 PaintLayerType LayoutBox::layerTypeRequired() const | 105 PaintLayerType LayoutBox::layerTypeRequired() const |
106 { | 106 { |
107 // hasAutoZIndex only returns true if the element is positioned or a flex-it
em since | 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. | 108 // position:static elements that are not flex-items get their z-index coerce
d to auto. |
109 if (isPositioned() || createsGroup() || hasClipPath() || hasTransformRelated
Property() | 109 if (isPositioned() || createsGroup() || hasClipPath() || hasTransformRelated
Property() |
110 || style()->hasCompositorProxy() || hasHiddenBackface() || hasReflection
() || style()->specifiesColumns() | 110 || style()->hasCompositorProxy() || hasHiddenBackface() || hasReflection
() || style()->specifiesColumns() |
111 || !style()->hasAutoZIndex() || style()->shouldCompositeForCurrentAnimat
ions()) | 111 || style()->isStackingContext() || style()->shouldCompositeForCurrentAni
mations()) |
112 return NormalPaintLayer; | 112 return NormalPaintLayer; |
113 | 113 |
114 if (hasOverflowClip()) | 114 if (hasOverflowClip()) |
115 return OverflowClipPaintLayer; | 115 return OverflowClipPaintLayer; |
116 | 116 |
117 return NoPaintLayer; | 117 return NoPaintLayer; |
118 } | 118 } |
119 | 119 |
120 void LayoutBox::willBeDestroyed() | 120 void LayoutBox::willBeDestroyed() |
121 { | 121 { |
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1381 return false; | 1381 return false; |
1382 if (childStyle.visibility() != VISIBLE || childStyle.shapeOutside()) | 1382 if (childStyle.visibility() != VISIBLE || childStyle.shapeOutside()) |
1383 return false; | 1383 return false; |
1384 if (childBox.size().isZero()) | 1384 if (childBox.size().isZero()) |
1385 return false; | 1385 return false; |
1386 if (PaintLayer* childLayer = childBox.layer()) { | 1386 if (PaintLayer* childLayer = childBox.layer()) { |
1387 // FIXME: perhaps this could be less conservative? | 1387 // FIXME: perhaps this could be less conservative? |
1388 if (childLayer->compositingState() != NotComposited) | 1388 if (childLayer->compositingState() != NotComposited) |
1389 return false; | 1389 return false; |
1390 // FIXME: Deal with z-index. | 1390 // FIXME: Deal with z-index. |
1391 if (!childStyle.hasAutoZIndex()) | 1391 if (childStyle.isStackingContext()) |
1392 return false; | 1392 return false; |
1393 if (childLayer->hasTransformRelatedProperty() || childLayer->isTranspare
nt() || childLayer->hasFilterInducingProperty()) | 1393 if (childLayer->hasTransformRelatedProperty() || childLayer->isTranspare
nt() || childLayer->hasFilterInducingProperty()) |
1394 return false; | 1394 return false; |
1395 if (childBox.hasOverflowClip() && childStyle.hasBorderRadius()) | 1395 if (childBox.hasOverflowClip() && childStyle.hasBorderRadius()) |
1396 return false; | 1396 return false; |
1397 } | 1397 } |
1398 return true; | 1398 return true; |
1399 } | 1399 } |
1400 | 1400 |
1401 bool LayoutBox::foregroundIsKnownToBeOpaqueInRect(const LayoutRect& localRect, u
nsigned maxDepthToTest) const | 1401 bool LayoutBox::foregroundIsKnownToBeOpaqueInRect(const LayoutRect& localRect, u
nsigned maxDepthToTest) const |
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4877 m_rareData->m_snapAreas->remove(&snapArea); | 4877 m_rareData->m_snapAreas->remove(&snapArea); |
4878 } | 4878 } |
4879 } | 4879 } |
4880 | 4880 |
4881 SnapAreaSet* LayoutBox::snapAreas() const | 4881 SnapAreaSet* LayoutBox::snapAreas() const |
4882 { | 4882 { |
4883 return m_rareData ? m_rareData->m_snapAreas.get() : nullptr; | 4883 return m_rareData ? m_rareData->m_snapAreas.get() : nullptr; |
4884 } | 4884 } |
4885 | 4885 |
4886 } // namespace blink | 4886 } // namespace blink |
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