YGNode *YogaLayoutableShadowNode::yogaNodeCloneCallbackConnector(
YGNode *oldYogaNode,
YGNode *parentYogaNode,
int childIndex) {
// At this point it is garanteed that all shadow nodes associated with yoga
// nodes are `YogaLayoutableShadowNode` subclasses.
auto parentNode =
static_cast<YogaLayoutableShadowNode *>(parentYogaNode->getContext());
auto oldNode =
static_cast<YogaLayoutableShadowNode *>(oldYogaNode->getContext());
auto clonedNode = static_cast<YogaLayoutableShadowNode *>(
parentNode->cloneAndReplaceChild(oldNode, childIndex));
return &clonedNode->yogaNode_;
}
void YogaLayoutableShadowNode::appendChild(SharedYogaLayoutableShadowNode child) {
ensureUnsealed();
auto yogaNodeRawPtr = &yogaNode_;
auto childYogaNodeRawPtr = &child->yogaNode_;
if (childYogaNodeRawPtr->getOwner() != nullptr) {
child = std::static_pointer_cast<const YogaLayoutableShadowNode>(cloneAndReplaceChild(child));
childYogaNodeRawPtr = &child->yogaNode_;
}
child->ensureUnsealed();
childYogaNodeRawPtr->setOwner(yogaNodeRawPtr);
yogaNodeRawPtr->insertChild(childYogaNodeRawPtr, yogaNodeRawPtr->getChildren().size());
}
void YogaLayoutableShadowNode::appendChild(YogaLayoutableShadowNode *child) {
ensureUnsealed();
auto yogaNodeRawPtr = &yogaNode_;
auto childYogaNodeRawPtr = &child->yogaNode_;
if (childYogaNodeRawPtr->getOwner() != nullptr) {
child = static_cast<YogaLayoutableShadowNode *>(
cloneAndReplaceChild(child, yogaNode_.getChildren().size()));
childYogaNodeRawPtr = &child->yogaNode_;
assert(childYogaNodeRawPtr->getOwner() == nullptr);
}
child->ensureUnsealed();
childYogaNodeRawPtr->setOwner(yogaNodeRawPtr);
yogaNodeRawPtr->insertChild(
childYogaNodeRawPtr, yogaNodeRawPtr->getChildren().size());
}
