C++ (Cpp) SharedShadowNode::getComponentDescriptorの例

コード例 #1

ファイル: UIManager.cpp プロジェクト: pvinis/react-native

void UIManager::appendChild(
    const SharedShadowNode &parentShadowNode,
    const SharedShadowNode &childShadowNode) const {
  SystraceSection s("UIManager::appendChild");

  auto &componentDescriptor = parentShadowNode->getComponentDescriptor();
  componentDescriptor.appendChild(parentShadowNode, childShadowNode);
}

コード例 #2

ファイル: UIManager.cpp プロジェクト: pvinis/react-native

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);
            });
      });
}

コード例 #3

ファイル: UIManager.cpp プロジェクト: pvinis/react-native

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;
}

コード例 #4

ファイル: UIManager.cpp プロジェクト: pvinis/react-native

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);
            });
      });
}