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Ruslan LesiutinandFacebook GitHub Bot
714b502b0c
Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/36434 Changelog: [Internal] This is a squashed stack of 18 commits, starting from D43202126 allow-large-files Reviewed By: cortinico Differential Revision: D43977381 fbshipit-source-id: 0da552ddb85f2f61a0be0ef071915b35f3f8555c
53 lines
1.2 KiB
Objective-C
53 lines
1.2 KiB
Objective-C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <Foundation/Foundation.h>
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@class CADisplayLink;
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/**
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* Interface containing the information about the last screen refresh.
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*/
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@interface RCTFrameUpdate : NSObject
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/**
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* Timestamp for the actual screen refresh
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*/
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@property (nonatomic, readonly) NSTimeInterval timestamp;
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/**
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* Time since the last frame update ( >= 16.6ms )
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*/
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@property (nonatomic, readonly) NSTimeInterval deltaTime;
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- (instancetype)initWithDisplayLink:(CADisplayLink *)displayLink NS_DESIGNATED_INITIALIZER;
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@end
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/**
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* Protocol that must be implemented for subscribing to display refreshes (DisplayLink updates)
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*/
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@protocol RCTFrameUpdateObserver <NSObject>
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/**
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* Method called on every screen refresh (if paused != YES)
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*/
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- (void)didUpdateFrame:(RCTFrameUpdate *)update;
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/**
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* Synthesize and set to true to pause the calls to -[didUpdateFrame:]
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*/
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@property (nonatomic, readonly, getter=isPaused) BOOL paused;
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/**
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* Callback for pause/resume observer.
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* Observer should call it when paused property is changed.
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*/
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@property (nonatomic, copy) dispatch_block_t pauseCallback;
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@end
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