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Bug 886646 - Part 5: Always build a stacking context for sticky positioned elements. r=dbaron

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This commit is contained in:
Corey Ford 2013-09-06 09:35:16 -04:00
parent 690918fcba
commit 367d66a9a7
1 changed files with 2 additions and 1 deletions
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3
layout/generic/nsFrame.cpp
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@ -2089,7 +2089,8 @@ nsIFrame::BuildDisplayListForChild(nsDisplayListBuilder* aBuilder,
bool isPositioned = disp->IsPositioned(child);
bool isStackingContext =
(isPositioned && pos->mZIndex.GetUnit() == eStyleUnit_Integer) ||
(isPositioned && (disp->mPosition == NS_STYLE_POSITION_STICKY ||
pos->mZIndex.GetUnit() == eStyleUnit_Integer)) ||
isVisuallyAtomic || (aFlags & DISPLAY_CHILD_FORCE_STACKING_CONTEXT);
if (isVisuallyAtomic || isPositioned || (!isSVG && disp->IsFloating(child)) ||