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packages/react-native/React/Base/RCTFrameUpdate.h
52 строки
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Ruslan Lesiutin
| RN Monorepo | Migrate to package (#36434)
17 мар 2023, 15:03
17 мар 2023, 15:03
714b502
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/* * 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. */ #import <Foundation/Foundation.h> @class CADisplayLink; /** * Interface containing the information about the last screen refresh. */ @interface RCTFrameUpdate : NSObject /** * Timestamp for the actual screen refresh */ @property (nonatomic, readonly) NSTimeInterval timestamp; /** * Time since the last frame update ( >= 16.6ms ) */ @property (nonatomic, readonly) NSTimeInterval deltaTime; - (instancetype)initWithDisplayLink:(CADisplayLink *)displayLink NS_DESIGNATED_INITIALIZER; @end /** * Protocol that must be implemented for subscribing to display refreshes (DisplayLink updates) */ @protocol RCTFrameUpdateObserver <NSObject> /** * Method called on every screen refresh (if paused != YES) */ - (void)didUpdateFrame:(RCTFrameUpdate *)update; /** * Synthesize and set to true to pause the calls to -[didUpdateFrame:] */ @property (nonatomic, readonly, getter=isPaused) BOOL paused; /** * Callback for pause/resume observer. * Observer should call it when paused property is changed. */ @property (nonatomic, copy) dispatch_block_t pauseCallback; @end