Exemplo n.º 1
0
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);
            });
      });
}
Exemplo n.º 2
0
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);
            });
      });
}