react-native/React/Fabric/RCTSurfaceRegistry.h

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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import <UIKit/UIKit.h>
#import <React/RCTPrimitives.h>
NS_ASSUME_NONNULL_BEGIN
@class RCTFabricSurface;
/**
* Registry of Surfaces.
* Incapsulates storing Surface objects and quering them by root tag.
* All methods of the registry are thread-safe.
* The registry stores Surface objects as weak refereces.
*/
@interface RCTSurfaceRegistry : NSObject
/**
* Adds Surface object into the registry.
* The registry does not retain Surface references.
*/
- (void)registerSurface:(RCTFabricSurface *)surface;
/**
* Removes Surface object from the registry.
*/
- (void)unregisterSurface:(RCTFabricSurface *)surface;
/**
* Returns stored Surface object by given root tag.
* If the registry does not have such Surface registred, returns `nil`.
*/
- (nullable RCTFabricSurface *)surfaceForRootTag:(ReactTag)rootTag;
@end
NS_ASSUME_NONNULL_END