void DeprecatedPaintLayerPainter::paintChildren(unsigned childrenToVisit, GraphicsContext* context, const DeprecatedPaintLayerPaintingInfo& paintingInfo, PaintLayerFlags paintFlags)
{
if (!m_paintLayer.hasSelfPaintingLayerDescendant())
return;
#if ENABLE(ASSERT)
LayerListMutationDetector mutationChecker(m_paintLayer.stackingNode());
#endif
IntSize scrollOffsetAccumulation = paintingInfo.scrollOffsetAccumulation;
if (m_paintLayer.layoutObject()->hasOverflowClip())
scrollOffsetAccumulation += m_paintLayer.layoutBox()->scrolledContentOffset();
DeprecatedPaintLayerStackingNodeIterator iterator(*m_paintLayer.stackingNode(), childrenToVisit);
while (DeprecatedPaintLayerStackingNode* child = iterator.next()) {
DeprecatedPaintLayerPainter childPainter(*child->layer());
// If this Layer should paint into its own backing or a grouped backing, that will be done via CompositedDeprecatedPaintLayerMapping::paintContents()
// and CompositedDeprecatedPaintLayerMapping::doPaintTask().
if (!childPainter.shouldPaintLayerInSoftwareMode(paintingInfo.globalPaintFlags(), paintFlags))
continue;
DeprecatedPaintLayerPaintingInfo childPaintingInfo = paintingInfo;
childPaintingInfo.scrollOffsetAccumulation = scrollOffsetAccumulation;
// Rare case: accumulate scroll offset of non-stacking-context ancestors up to m_paintLayer.
for (DeprecatedPaintLayer* parentLayer = child->layer()->parent(); parentLayer != &m_paintLayer; parentLayer = parentLayer->parent()) {
if (parentLayer->layoutObject()->hasOverflowClip())
childPaintingInfo.scrollOffsetAccumulation += parentLayer->layoutBox()->scrolledContentOffset();
}
childPainter.paintLayer(context, childPaintingInfo, paintFlags);
}
}
