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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/react-native/ReactCommon/react/renderer/uimanager

Просмотр файла: UIManagerMountHook.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#pragma once

#include <react/renderer/components/root/RootShadowNode.h>
#include "UIManager.h"

namespace facebook::react {

class ShadowTree;
class UIManager;

/*
 * Implementing a mount hook allows to observe Shadow Trees being mounted in
 * the host platform.
 */
class UIManagerMountHook {
 public:
  /*
   * Called right after a `ShadowTree` is mounted in the host platform.
   */
  virtual void shadowTreeDidMount(
      const RootShadowNode::Shared& rootShadowNode,
      HighResTimeStamp mountTime) noexcept = 0;

  virtual void shadowTreeDidUnmount(
      SurfaceId /*surfaceId*/,
      HighResTimeStamp /*unmountTime*/) noexcept {
    // Default no-op implementation for backwards compatibility.
  }

  virtual ~UIManagerMountHook() noexcept = default;
};

} // namespace facebook::react

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