115 lines
3.5 KiB
Objective-C
115 lines
3.5 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <UIKit/UIKit.h>
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#import "RCTBridge.h"
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#import "RCTBridgeModule.h"
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#import "RCTInvalidating.h"
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#import "RCTViewManager.h"
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/**
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* Posted right before re-render happens. This is a chance for views to invalidate their state so
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* next render cycle will pick up updated views and layout appropriately.
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*/
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RCT_EXTERN NSString *const RCTUIManagerWillUpdateViewsDueToContentSizeMultiplierChangeNotification;
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/**
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* Posted whenever a new root view is registered with RCTUIManager. The userInfo property
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* will contain a RCTUIManagerRootViewKey with the registered root view.
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*/
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RCT_EXTERN NSString *const RCTUIManagerDidRegisterRootViewNotification;
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/**
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* Posted whenever a root view is removed from the RCTUIManager. The userInfo property
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* will contain a RCTUIManagerRootViewKey with the removed root view.
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*/
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RCT_EXTERN NSString *const RCTUIManagerDidRemoveRootViewNotification;
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/**
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* Key for the root view property in the above notifications
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*/
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RCT_EXTERN NSString *const RCTUIManagerRootViewKey;
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@protocol RCTScrollableProtocol;
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/**
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* The RCTUIManager is the module responsible for updating the view hierarchy.
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*/
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@interface RCTUIManager : NSObject <RCTBridgeModule, RCTInvalidating>
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/**
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* Register a root view with the RCTUIManager.
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*/
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- (void)registerRootView:(UIView *)rootView;
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/**
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* Gets the view associated with a reactTag.
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*/
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- (UIView *)viewForReactTag:(NSNumber *)reactTag;
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/**
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* Update the frame of a view. This might be in response to a screen rotation
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* or some other layout event outside of the React-managed view hierarchy.
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*/
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- (void)setFrame:(CGRect)frame forView:(UIView *)view;
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/**
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* Set the natural size of a view, which is used when no explicit size is set.
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* Use UIViewNoIntrinsicMetric to ignore a dimension.
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*/
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- (void)setIntrinsicContentSize:(CGSize)size forView:(UIView *)view;
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/**
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* Update the background color of a root view. This is usually triggered by
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* manually setting the background color of the root view with native code.
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*/
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- (void)setBackgroundColor:(UIColor *)color forRootView:(UIView *)rootView;
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/**
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* Schedule a block to be executed on the UI thread. Useful if you need to execute
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* view logic after all currently queued view updates have completed.
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*/
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- (void)addUIBlock:(RCTViewManagerUIBlock)block;
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/**
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* The view that is currently first responder, according to the JS context.
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*/
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+ (UIView *)JSResponder;
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/**
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* Normally, UI changes are not applied until the complete batch of method
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* invocations from JavaScript to native has completed.
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*
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* Setting this to YES will flush UI changes sooner, which could potentially
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* result in inconsistent UI updates.
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*
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* The default is NO (recommended).
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*/
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@property (atomic, assign) BOOL unsafeFlushUIChangesBeforeBatchEnds;
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/**
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* In some cases we might want to trigger layout from native side.
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* React won't be aware of this, so we need to make sure it happens.
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*/
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- (void)setNeedsLayout;
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@end
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/**
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* This category makes the current RCTUIManager instance available via the
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* RCTBridge, which is useful for RCTBridgeModules or RCTViewManagers that
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* need to access the RCTUIManager.
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*/
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@interface RCTBridge (RCTUIManager)
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@property (nonatomic, readonly) RCTUIManager *uiManager;
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@end
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