void UIManager::appendChild(
const SharedShadowNode &parentShadowNode,
const SharedShadowNode &childShadowNode) const {
SystraceSection s("UIManager::appendChild");
auto &componentDescriptor = parentShadowNode->getComponentDescriptor();
componentDescriptor.appendChild(parentShadowNode, childShadowNode);
}
void UIManager::setNativeProps(
const SharedShadowNode &shadowNode,
const RawProps &rawProps) const {
SystraceSection s("UIManager::setNativeProps");
auto &componentDescriptor = shadowNode->getComponentDescriptor();
auto props = componentDescriptor.cloneProps(shadowNode->getProps(), rawProps);
auto newShadowNode = shadowNode->clone({
/* .tag = */ ShadowNodeFragment::tagPlaceholder(),
/* .surfaceId = */ ShadowNodeFragment::surfaceIdPlaceholder(),
/* .props = */ props,
});
shadowTreeRegistry_->visit(
shadowNode->getSurfaceId(), [&](const ShadowTree &shadowTree) {
shadowTree.tryCommit(
[&](const SharedRootShadowNode &oldRootShadowNode) {
return oldRootShadowNode->clone(shadowNode, newShadowNode);
});
});
}
SharedShadowNode UIManager::cloneNode(
const SharedShadowNode &shadowNode,
const SharedShadowNodeSharedList &children,
const RawProps *rawProps) const {
SystraceSection s("UIManager::cloneNode");
auto &componentDescriptor = shadowNode->getComponentDescriptor();
auto clonedShadowNode = componentDescriptor.cloneShadowNode(
*shadowNode,
{
/* .tag = */ ShadowNodeFragment::tagPlaceholder(),
/* .surfaceId = */ ShadowNodeFragment::surfaceIdPlaceholder(),
/* .props = */
rawProps ? componentDescriptor.cloneProps(
shadowNode->getProps(), *rawProps)
: ShadowNodeFragment::propsPlaceholder(),
/* .eventEmitter = */ ShadowNodeFragment::eventEmitterPlaceholder(),
/* .children = */ children,
});
return clonedShadowNode;
}
void UIManager::updateState(
const SharedShadowNode &shadowNode,
const StateData::Shared &rawStateData) const {
auto &componentDescriptor = shadowNode->getComponentDescriptor();
auto state =
componentDescriptor.createState(shadowNode->getState(), rawStateData);
auto newShadowNode = shadowNode->clone({
/* .tag = */ ShadowNodeFragment::tagPlaceholder(),
/* .surfaceId = */ ShadowNodeFragment::surfaceIdPlaceholder(),
/* .props = */ ShadowNodeFragment::propsPlaceholder(),
/* .eventEmitter = */ ShadowNodeFragment::eventEmitterPlaceholder(),
/* .children = */ ShadowNodeFragment::childrenPlaceholder(),
/* .localData = */ ShadowNodeFragment::localDataPlaceholder(),
/* .state = */ state,
});
shadowTreeRegistry_->visit(
shadowNode->getSurfaceId(), [&](const ShadowTree &shadowTree) {
shadowTree.tryCommit(
[&](const SharedRootShadowNode &oldRootShadowNode) {
return oldRootShadowNode->clone(shadowNode, newShadowNode);
});
});
}