C++ (Cpp) setIndexToLastItem示例

示例#1

文件： DeprecatedPaintLayerStackingNodeIterator.cpp 项目： smishenk/chromium-crosswalk

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;
}

示例#2

文件： RenderLayerStackingNodeIterator.cpp 项目： 335969568/Blink-1

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;
}