react-native/ReactKit/Modules/RCTUIManager.h

57 lines
1.5 KiB
Objective-C

// Copyright 2004-present Facebook. All Rights Reserved.
#import <UIKit/UIKit.h>
#import "RCTBridge.h"
#import "RCTBridgeModule.h"
#import "RCTInvalidating.h"
#import "RCTViewManager.h"
@class RCTRootView;
@protocol RCTScrollableProtocol;
/**
* The RCTUIManager is the module responsible for updating the view hierarchy.
*/
@interface RCTUIManager : NSObject <RCTBridgeModule, RCTInvalidating>
@property (nonatomic, weak) id<RCTScrollableProtocol> mainScrollView;
/**
* Allows native environment code to respond to "the main scroll view" events.
* see `RCTUIManager`'s `setMainScrollViewTag`.
*/
@property (nonatomic, readwrite, weak) id<UIScrollViewDelegate> nativeMainScrollDelegate;
/**
* Register a root view with the RCTUIManager. Theoretically, a single manager
* can support multiple root views, however this feature is not currently exposed
* and may eventually be removed.
*/
- (void)registerRootView:(RCTRootView *)rootView;
/**
* Schedule a block to be executed on the UI thread. Useful if you need to execute
* view logic after all currently queued view updates have completed.
*/
- (void)addUIBlock:(RCTViewManagerUIBlock)block;
/**
* The view that is currently first responder, according to the JS context.
*/
+ (UIView *)JSResponder;
@end
/**
* This category makes the current RCTUIManager instance available via the
* RCTBridge, which is useful for RCTBridgeModules or RCTViewManagers that
* need to access the RCTUIManager.
*/
@interface RCTBridge (RCTUIManager)
@property (nonatomic, readonly) RCTUIManager *uiManager;
@end