third_party/WebKit/Source/core/layout/LayoutGeometryMapStep.h - Issue 1308273010: Adapt and reland old position sticky implementation

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Unified Diff: third_party/WebKit/Source/core/layout/LayoutGeometryMapStep.h

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

Patch Set: Remove redundant invalidation in LayoutBlock::tryLayoutDoingPositionedMovementOnly Created 4 years, 9 months ago

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« third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp ('K') | « third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp ('k') | third_party/WebKit/Source/core/layout/LayoutGrid.cpp » ('j') | third_party/WebKit/Source/core/layout/compositing/CompositingInputsUpdater.h » ('J')
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Index: third_party/WebKit/Source/core/layout/LayoutGeometryMapStep.h

diff --git a/third_party/WebKit/Source/core/layout/LayoutGeometryMapStep.h b/third_party/WebKit/Source/core/layout/LayoutGeometryMapStep.h

index 85a7efb43e22d7f1ee60c61d86e7a808948f87a7..6b4350d37d1527ac6720f1f42a5b8a2c4b37cc19 100644

--- a/third_party/WebKit/Source/core/layout/LayoutGeometryMapStep.h

+++ b/third_party/WebKit/Source/core/layout/LayoutGeometryMapStep.h

@@ -51,6 +51,7 @@ struct LayoutGeometryMapStep {

: m_layoutObject(o.m_layoutObject)

, m_offset(o.m_offset)

, m_offsetForFixedPosition(o.m_offsetForFixedPosition)

+ , m_offsetForStickyPosition(o.m_offsetForStickyPosition)

, m_flags(o.m_flags)

{

ASSERT(!o.m_transform);

@@ -63,7 +64,10 @@ struct LayoutGeometryMapStep {

const LayoutObject* m_layoutObject;

LayoutSize m_offset;

OwnPtr<TransformationMatrix> m_transform; // Includes offset if non-null.

+ // If m_offsetForFixedPosition could only apply to the fixed position steps, we may be able to merge

+ // with m_offsetForStickyPosition and simplify mapping.

LayoutSize m_offsetForFixedPosition;

+ LayoutSize m_offsetForStickyPosition;

GeometryInfoFlags m_flags;

};