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• [DIR] ..
• [FILE] AppRegistryBinding.cpp
• [FILE] AppRegistryBinding.h
• [FILE] CMakeLists.txt
• [FILE] LayoutAnimationStatusDelegate.h
• [FILE] PointerEventsProcessor.cpp
• [FILE] PointerEventsProcessor.h
• [FILE] PointerHoverTracker.cpp
• [FILE] PointerHoverTracker.h
• [FILE] SurfaceRegistryBinding.h
• [FILE] UIManager.cpp
• [FILE] UIManager.h
• [FILE] UIManagerAnimationDelegate.h
• [FILE] UIManagerBinding.cpp
• [FILE] UIManagerBinding.h
• [FILE] UIManagerCommitHook.h
• [FILE] UIManagerDelegate.h
• [FILE] UIManagerMountHook.h
• [FILE] UIManagerNativeAnimatedDelegate.h
• [FILE] UIManagerUpdateShadowTree.cpp
• [DIR] consistency
• [FILE] primitives.h
• [DIR] tests

Просмотр файла: UIManagerDelegate.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/core/ReactPrimitives.h>
#include <react/renderer/core/ShadowNode.h>
#include <react/renderer/mounting/MountingCoordinator.h>
#include <react/renderer/mounting/ShadowTree.h>

namespace facebook::react {

/*
 * Abstract class for UIManager's delegate.
 */
class UIManagerDelegate {
 public:
  /*
   * Called right after a new/updated Shadow Node tree is constructed.
   * For this moment the tree is already laid out and sealed.
   */
  virtual void uiManagerDidFinishTransaction(
      std::shared_ptr<const MountingCoordinator> mountingCoordinator,
      bool mountSynchronously) = 0;

  /*
   * Called each time when UIManager constructs a new Shadow Node. Receiver
   * might use this to optimistically allocate a new native view
   * instances.
   */
  virtual void uiManagerDidCreateShadowNode(const ShadowNode& shadowNode) = 0;

  /*
   * Called when UIManager wants to dispatch a command to the mounting layer.
   */
  virtual void uiManagerDidDispatchCommand(
      const std::shared_ptr<const ShadowNode>& shadowNode,
      const std::string& commandName,
      const folly::dynamic& args) = 0;

  /*
   * Called when UIManager wants to dispatch some accessibility event
   * to the mounting layer. eventType is platform-specific and not all
   * platforms will necessarily implement the same set of events.
   */
  virtual void uiManagerDidSendAccessibilityEvent(
      const std::shared_ptr<const ShadowNode>& shadowNode,
      const std::string& eventType) = 0;

  /*
   * Set JS responder for a view.
   */
  virtual void uiManagerDidSetIsJSResponder(
      const std::shared_ptr<const ShadowNode>& shadowNode,
      bool isJSResponder,
      bool blockNativeResponder) = 0;

  /*
   * Synchronous view update.
   */
  virtual void uiManagerShouldSynchronouslyUpdateViewOnUIThread(
      Tag tag,
      const folly::dynamic& props) = 0;

  /*
   * Called after updateShadowTree is invoked.
   */
  virtual void uiManagerDidUpdateShadowTree(
      const std::unordered_map<Tag, folly::dynamic>& tagToProps) = 0;

  /*
   * Add event listener.
   */
  virtual void uiManagerShouldAddEventListener(
      std::shared_ptr<const EventListener> listener) = 0;

  /*
   * Remove event listener.
   */
  virtual void uiManagerShouldRemoveEventListener(
      const std::shared_ptr<const EventListener>& listener) = 0;

  /*
   * Start surface.
   */
  virtual void uiManagerDidStartSurface(const ShadowTree& shadowTree) = 0;

  using OnSurfaceStartCallback =
      std::function<void(const ShadowTree& shadowTree)>;
  virtual void uiManagerShouldSetOnSurfaceStartCallback(
      OnSurfaceStartCallback&& callback) = 0;

  virtual ~UIManagerDelegate() noexcept = default;
};

} // namespace facebook::react

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