Method makePlaceholderViewNode

valdi/src/valdi/runtime/Context/ViewNode.cpp:1597–1612

            *this, width, widthMode, height, heightMode);
    } else if (_lazyLayoutData != nullptr) {
        return Size(_lazyLayoutData->estimatedWidth, _lazyLayoutData->estimatedHeight);
    } else {
        return Size();
    }
}

Ref<ViewNode> ViewNode::makePlaceholderViewNode(ViewTransactionScope& viewTransactionScope,
                                                const Ref<View>& placeholderView) {
    auto viewNode = Valdi::makeShared<ViewNode>(nullptr, _attributeIds, _logger);
    viewNode->setViewNodeTree(_viewNodeTree);
    viewNode->setViewFactory(viewTransactionScope, _viewFactory);
    viewNode->_emittingViewNode = strongSmallRef(this);
    viewNode->_cssAttributesManager.copyCSSDocument(_cssAttributesManager);
    placeholderView->setCanBeReused(false);

    _attributesApplier.copyViewLayoutAttributes(viewNode->_attributesApplier);

    viewNode->setView(viewTransactionScope, placeholderView, nullptr);
    viewTransactionScope.transaction().moveViewToTree(placeholderView, _viewNodeTree, viewNode.get());