164 lines
5.1 KiB
Objective-C
164 lines
5.1 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 <React/RCTBridge.h>
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#import <React/RCTBridgeModule.h>
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#import <React/RCTInvalidating.h>
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#import <React/RCTRootView.h>
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#import <React/RCTViewManager.h>
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/**
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* UIManager queue
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*/
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RCT_EXTERN dispatch_queue_t RCTGetUIManagerQueue(void);
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/**
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* Default name for the UIManager queue
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*/
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RCT_EXTERN char *const RCTUIManagerQueueName;
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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 withSizeFlexibility:(RCTRootViewSizeFlexibility)sizeFlexibility;
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/**
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* Gets the view name associated with a reactTag.
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*/
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- (NSString *)viewNameForReactTag:(NSNumber *)reactTag;
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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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* Set the size 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)setSize:(CGSize)size 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 view. The source of truth for
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* backgroundColor is the shadow view, so if to update backgroundColor from
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* native code you will need to call this method.
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*/
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- (void)setBackgroundColor:(UIColor *)color forView:(UIView *)view;
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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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* Used by native animated module to bypass the process of updating the values through the shadow
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* view hierarchy. This method will directly update native views, which means that updates for
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* layout-related propertied won't be handled properly.
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* Make sure you know what you're doing before calling this method :)
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*/
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- (void)synchronouslyUpdateViewOnUIThread:(NSNumber *)reactTag
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viewName:(NSString *)viewName
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props:(NSDictionary *)props;
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/**
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* Given a reactTag from a component, find its root view, if possible.
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* Otherwise, this will give back nil.
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*
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* @param reactTag the component tag
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* @param completion the completion block that will hand over the rootView, if any.
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*
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*/
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- (void)rootViewForReactTag:(NSNumber *)reactTag withCompletion:(void (^)(UIView *view))completion;
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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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@interface RCTUIManager (Deprecated)
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/**
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* This method is deprecated and will be removed in next releases.
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* Use `setSize:forView:` or `setIntrinsicContentSize:forView:` instead.
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* Only frames with `origin` equals {0, 0} are supported.
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*/
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- (void)setFrame:(CGRect)frame forView:(UIView *)view
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__deprecated_msg("Use `setSize:forView:` or `setIntrinsicContentSize:forView:` instead.");
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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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