C++ (Cpp) traverseParentInCurrentTree示例

示例#1

Node* ComposedShadowTreeWalker::traverseParent(const Node* node) const
{
    if (!canCrossUpperBoundary() && node->isShadowRoot()) {
        ASSERT(toShadowRoot(node)->isYoungest());
        return 0;
    }
    if (ElementShadow* shadow = shadowOfParent(node)) {
        if (InsertionPoint* insertionPoint = shadow->insertionPointFor(node))
            return traverseParent(insertionPoint);
    }
    return traverseParentInCurrentTree(node);
}

示例#2

文件： ComposedShadowTreeWalker.cpp 项目： gobihun/webkit

// FIXME: Use an iterative algorithm so that it can be inlined.
// https://bugs.webkit.org/show_bug.cgi?id=90415
Node* ComposedShadowTreeWalker::traverseParent(const Node* node, ParentTraversalDetails* details) const
{
    if (!canCrossUpperBoundary() && node->isShadowRoot()) {
        ASSERT(toShadowRoot(node)->isYoungest());
        return 0;
    }
    if (ElementShadow* shadow = shadowOfParent(node)) {
        shadow->ensureDistribution();
        if (InsertionPoint* insertionPoint = resolveReprojection(node)) {
            if (details)
                details->didTraverseInsertionPoint(insertionPoint);
            return traverseParent(insertionPoint, details);
        }

        // The node is a non-distributed light child or older shadow's child.
        if (details)
            details->childWasOutOfComposition();
    }
    return traverseParentInCurrentTree(node, details);
}

示例#3

// FIXME: Use an iterative algorithm so that it can be inlined.
// https://bugs.webkit.org/show_bug.cgi?id=90415
Node* ComposedShadowTreeWalker::traverseParent(const Node* node, ParentTraversalDetails* details) const
{
    if (node->isPseudoElement())
        return toPseudoElement(node)->hostElement();

    if (!canCrossUpperBoundary() && node->isShadowRoot())
        return 0;

    if (nodeCanBeDistributed(node)) {
        if (InsertionPoint* insertionPoint = resolveReprojection(node)) {
            if (details)
                details->didTraverseInsertionPoint(insertionPoint);
            return traverseParent(insertionPoint, details);
        }

        // The node is a non-distributed light child or older shadow's child.
        if (details)
            details->childWasOutOfComposition();
    }
    return traverseParentInCurrentTree(node, details);
}