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

Просмотр файла: UIManager.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 <folly/dynamic.h>
#include <jsi/jsi.h>

#include <ReactCommon/RuntimeExecutor.h>
#include <shared_mutex>

#include <react/renderer/componentregistry/ComponentDescriptorRegistry.h>
#include <react/renderer/consistency/ShadowTreeRevisionConsistencyManager.h>
#include <react/renderer/core/InstanceHandle.h>
#include <react/renderer/core/RawValue.h>
#include <react/renderer/core/ShadowNode.h>
#include <react/renderer/core/StateData.h>
#include <react/renderer/leakchecker/LeakChecker.h>
#include <react/renderer/mounting/ShadowTree.h>
#include <react/renderer/mounting/ShadowTreeDelegate.h>
#include <react/renderer/mounting/ShadowTreeRegistry.h>
#include <react/renderer/uimanager/UIManagerAnimationDelegate.h>
#include <react/renderer/uimanager/UIManagerDelegate.h>
#include <react/renderer/uimanager/UIManagerNativeAnimatedDelegate.h>
#include <react/renderer/uimanager/consistency/LazyShadowTreeRevisionConsistencyManager.h>
#include <react/renderer/uimanager/consistency/ShadowTreeRevisionProvider.h>
#include <react/renderer/uimanager/primitives.h>
#include <react/utils/ContextContainer.h>

namespace facebook::react {

class UIManagerBinding;
class UIManagerCommitHook;
class UIManagerMountHook;

class UIManager final : public ShadowTreeDelegate {
 public:
  UIManager(
      const RuntimeExecutor& runtimeExecutor,
      ContextContainer::Shared contextContainer);

  ~UIManager() override;

  void setComponentDescriptorRegistry(
      const SharedComponentDescriptorRegistry& componentDescriptorRegistry);

  /*
   * Sets and gets the UIManager's delegate.
   * The delegate is stored as a raw pointer, so the owner must null
   * the pointer before being destroyed.
   */
  void setDelegate(UIManagerDelegate* delegate);
  UIManagerDelegate* getDelegate();

  /**
   * Sets and gets the UIManager's Animation APIs delegate.
   * The delegate is stored as a raw pointer, so the owner must null
   * the pointer before being destroyed.
   */
  void setAnimationDelegate(UIManagerAnimationDelegate* delegate);

  /**
   * Execute stopSurface on any UIMAnagerAnimationDelegate.
   */
  void stopSurfaceForAnimationDelegate(SurfaceId surfaceId) const;

  void setNativeAnimatedDelegate(
      std::weak_ptr<UIManagerNativeAnimatedDelegate> delegate);

  void animationTick() const;

  void synchronouslyUpdateViewOnUIThread(Tag tag, const folly::dynamic& props);

  /*
   * Provides access to a UIManagerBindging.
   * The `callback` methods will not be called if the internal pointer to
   * `UIManagerBindging` is `nullptr`.
   * The callback is called synchronously on the same thread.
   */
  void visitBinding(
      const std::function<void(const UIManagerBinding& uiManagerBinding)>&
          callback,
      jsi::Runtime& runtime) const;

  /*
   * Registers and unregisters a commit hook.
   */
  void registerCommitHook(UIManagerCommitHook& commitHook);
  void unregisterCommitHook(UIManagerCommitHook& commitHook);

  /*
   * Registers and unregisters a mount hook.
   */
  void registerMountHook(UIManagerMountHook& mountHook);
  void unregisterMountHook(UIManagerMountHook& mountHook);

  std::shared_ptr<const ShadowNode> getNewestCloneOfShadowNode(
      const ShadowNode& shadowNode) const;

  ShadowTreeRevisionConsistencyManager*
  getShadowTreeRevisionConsistencyManager();
  ShadowTreeRevisionProvider* getShadowTreeRevisionProvider();

#pragma mark - Surface Start & Stop

  void startSurface(
      ShadowTree::Unique&& shadowTree,
      const std::string& moduleName,
      const folly::dynamic& props,
      DisplayMode displayMode) const noexcept;

  void startEmptySurface(ShadowTree::Unique&& shadowTree) const noexcept;

  void setSurfaceProps(
      SurfaceId surfaceId,
      const std::string& moduleName,
      const folly::dynamic& props,
      DisplayMode displayMode) const noexcept;

  ShadowTree::Unique stopSurface(SurfaceId surfaceId) const;

#pragma mark - ShadowTreeDelegate

  void shadowTreeDidFinishTransaction(
      std::shared_ptr<const MountingCoordinator> mountingCoordinator,
      bool mountSynchronously) const override;

  RootShadowNode::Unshared shadowTreeWillCommit(
      const ShadowTree& shadowTree,
      const RootShadowNode::Shared& oldRootShadowNode,
      const RootShadowNode::Unshared& newRootShadowNode,
      const ShadowTree::CommitOptions& commitOptions) const override;

  std::shared_ptr<ShadowNode> createNode(
      Tag tag,
      const std::string& componentName,
      SurfaceId surfaceId,
      RawProps props,
      InstanceHandle::Shared instanceHandle) const;

  std::shared_ptr<ShadowNode> cloneNode(
      const ShadowNode& shadowNode,
      const ShadowNode::SharedListOfShared& children,
      RawProps rawProps) const;

  void appendChild(
      const std::shared_ptr<const ShadowNode>& parentShadowNode,
      const std::shared_ptr<const ShadowNode>& childShadowNode) const;

  void completeSurface(
      SurfaceId surfaceId,
      const ShadowNode::UnsharedListOfShared& rootChildren,
      ShadowTree::CommitOptions commitOptions);

  void setIsJSResponder(
      const std::shared_ptr<const ShadowNode>& shadowNode,
      bool isJSResponder,
      bool blockNativeResponder) const;

  std::shared_ptr<const ShadowNode> findNodeAtPoint(
      const std::shared_ptr<const ShadowNode>& shadowNode,
      Point point) const;

  /*
   * Returns layout metrics of given `shadowNode` relative to
   * `ancestorShadowNode` (relative to the root node in case if provided
   * `ancestorShadowNode` is nullptr).
   */
  LayoutMetrics getRelativeLayoutMetrics(
      const ShadowNode& shadowNode,
      const ShadowNode* ancestorShadowNode,
      LayoutableShadowNode::LayoutInspectingPolicy policy) const;

  /*
   * Creates a new shadow node with given state data, clones what's necessary
   * and performs a commit.
   */
  void updateState(const StateUpdate& stateUpdate) const;

  void dispatchCommand(
      const std::shared_ptr<const ShadowNode>& shadowNode,
      const std::string& commandName,
      const folly::dynamic& args) const;

  void setNativeProps_DEPRECATED(
      const std::shared_ptr<const ShadowNode>& shadowNode,
      RawProps rawProps) const;

  void sendAccessibilityEvent(
      const std::shared_ptr<const ShadowNode>& shadowNode,
      const std::string& eventType);

  /*
   * Iterates over all shadow nodes which are parts of all registered surfaces
   * and find the one that has given `tag`. Returns `nullptr` if the node
   * wasn't found. This is a temporary workaround that should not be used in
   * any core functionality.
   */
  std::shared_ptr<const ShadowNode> findShadowNodeByTag_DEPRECATED(
      Tag tag) const;

  const ShadowTreeRegistry& getShadowTreeRegistry() const;

  void reportMount(SurfaceId surfaceId) const;

  void updateShadowTree(
      const std::unordered_map<Tag, folly::dynamic>& tagToProps);

#pragma mark - Add & Remove event listener

  void addEventListener(std::shared_ptr<const EventListener> listener);

  void removeEventListener(
      const std::shared_ptr<const EventListener>& listener);

#pragma mark - Set on surface start callback
  void setOnSurfaceStartCallback(
      UIManagerDelegate::OnSurfaceStartCallback&& callback);

 private:
  friend class UIManagerBinding;
  friend class Scheduler;
  friend class SurfaceHandler;

  /**
   * Configure a LayoutAnimation to happen on the next commit.
   * This API configures a global LayoutAnimation starting from the root node.
   */
  void configureNextLayoutAnimation(
      jsi::Runtime& runtime,
      const RawValue& config,
      const jsi::Value& successCallback,
      const jsi::Value& failureCallback) const;

  std::shared_ptr<const ShadowNode> getShadowNodeInSubtree(
      const ShadowNode& shadowNode,
      const std::shared_ptr<const ShadowNode>& ancestorShadowNode) const;

  SharedComponentDescriptorRegistry componentDescriptorRegistry_;
  UIManagerDelegate* delegate_{};
  UIManagerAnimationDelegate* animationDelegate_{nullptr};
  std::weak_ptr<UIManagerNativeAnimatedDelegate> nativeAnimatedDelegate_;

  const RuntimeExecutor runtimeExecutor_{};
  ShadowTreeRegistry shadowTreeRegistry_{};
  ContextContainer::Shared contextContainer_;

  mutable std::shared_mutex commitHookMutex_;
  mutable std::vector<UIManagerCommitHook*> commitHooks_;

  mutable std::shared_mutex mountHookMutex_;
  mutable std::vector<UIManagerMountHook*> mountHooks_;

  std::unique_ptr<LeakChecker> leakChecker_;

  std::unique_ptr<LazyShadowTreeRevisionConsistencyManager>
      lazyShadowTreeRevisionConsistencyManager_;
};

} // namespace facebook::react

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