DeprecatedPaintLayerStackingNode* DeprecatedPaintLayerStackingNodeReverseIterator::next()
{
if (m_remainingChildren & NegativeZOrderChildren) {
Vector<DeprecatedPaintLayerStackingNode*>* negZOrderList = m_root.negZOrderList();
if (negZOrderList && m_index >= 0)
return negZOrderList->at(m_index--);
m_remainingChildren &= ~NegativeZOrderChildren;
setIndexToLastItem();
}
if (m_remainingChildren & NormalFlowChildren) {
for (; m_currentNormalFlowChild; m_currentNormalFlowChild = m_currentNormalFlowChild->previousSibling()) {
if (!m_currentNormalFlowChild->stackingNode()->isTreatedAsStackingContextForPainting() && !m_currentNormalFlowChild->isReflection()) {
DeprecatedPaintLayer* normalFlowChild = m_currentNormalFlowChild;
m_currentNormalFlowChild = m_currentNormalFlowChild->previousSibling();
return normalFlowChild->stackingNode();
}
}
m_remainingChildren &= ~NormalFlowChildren;
setIndexToLastItem();
}
if (m_remainingChildren & PositiveZOrderChildren) {
Vector<DeprecatedPaintLayerStackingNode*>* posZOrderList = m_root.posZOrderList();
if (posZOrderList && m_index >= 0)
return posZOrderList->at(m_index--);
m_remainingChildren &= ~PositiveZOrderChildren;
setIndexToLastItem();
}
return 0;
}
RenderLayerStackingNode* RenderLayerStackingNodeReverseIterator::next()
{
if (m_remainingChildren & NegativeZOrderChildren) {
Vector<RenderLayerStackingNode*>* negZOrderList = m_root.negZOrderList();
if (negZOrderList && m_index >= 0)
return negZOrderList->at(m_index--);
m_remainingChildren &= ~NegativeZOrderChildren;
setIndexToLastItem();
}
if (m_remainingChildren & NormalFlowChildren) {
Vector<RenderLayerStackingNode*>* normalFlowList = m_root.normalFlowList();
if (normalFlowList && m_index >= 0)
return normalFlowList->at(m_index--);
m_remainingChildren &= ~NormalFlowChildren;
setIndexToLastItem();
}
if (m_remainingChildren & PositiveZOrderChildren) {
Vector<RenderLayerStackingNode*>* posZOrderList = m_root.posZOrderList();
if (posZOrderList && m_index >= 0)
return posZOrderList->at(m_index--);
m_remainingChildren &= ~PositiveZOrderChildren;
setIndexToLastItem();
}
return 0;
}