third_party/WebKit/Source/core/paint/PaintLayer.cpp - Issue 1308273010: Adapt and reland old position sticky implementation

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Unified Diff: third_party/WebKit/Source/core/paint/PaintLayer.cpp

Issue 1308273010: Adapt and reland old position sticky implementation (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Force main thread scrolling, set experimental status, and address review comments. Created 5 years ago

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« third_party/WebKit/Source/core/paint/PaintLayer.h ('K') | « third_party/WebKit/Source/core/paint/PaintLayer.h ('k') | third_party/WebKit/Source/core/style/ComputedStyle.h » ('j') | no next file with comments »
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Index: third_party/WebKit/Source/core/paint/PaintLayer.cpp

diff --git a/third_party/WebKit/Source/core/paint/PaintLayer.cpp b/third_party/WebKit/Source/core/paint/PaintLayer.cpp

index df78365393faacbab2f35a6ed4511e6587ff8dec..c978fab710cdb86aec27f815c57684efc87fb086 100644

--- a/third_party/WebKit/Source/core/paint/PaintLayer.cpp

+++ b/third_party/WebKit/Source/core/paint/PaintLayer.cpp

@@ -314,7 +314,8 @@ void PaintLayer::dirtyAncestorChainHasSelfPaintingLayerDescendantStatus()

bool PaintLayer::scrollsWithViewport() const

{

- return layoutObject()->style()->position() == FixedPosition && layoutObject()->containerForFixedPosition() == layoutObject()->view();

+ return (layoutObject()->style()->position() == FixedPosition && layoutObject()->containerForFixedPosition() == layoutObject()->view())

+ || (layoutObject()->style()->position() == StickyPosition && !ancestorScrollingLayer());

}

bool PaintLayer::scrollsWithRespectTo(const PaintLayer* other) const