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81 lines
2.6 KiB
81 lines
2.6 KiB
/*
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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 <React/RCTSurfaceStage.h>
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#import <UIKit/UIKit.h>
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NS_ASSUME_NONNULL_BEGIN
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@class RCTSurfaceView;
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@protocol RCTSurfaceDelegate;
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@protocol RCTSurfaceProtocol <NSObject>
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@property (atomic, readonly) RCTSurfaceStage stage;
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@property (atomic, readonly) NSString *moduleName;
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@property (atomic, readwrite, weak, nullable) id<RCTSurfaceDelegate> delegate;
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/**
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* Deprecated. Use `rootTag` instead.
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*/
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@property (atomic, readonly) NSNumber *rootViewTag;
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@property (atomic, copy, readwrite) NSDictionary *properties;
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@property (atomic, readonly) NSInteger rootTag;
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/**
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* Sets `minimumSize` and `maximumSize` layout constraints for the Surface.
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*/
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- (void)setMinimumSize:(CGSize)minimumSize maximumSize:(CGSize)maximumSize;
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/**
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* Sets `minimumSize`, `maximumSize`, and `viewportOffset` layout constraints for the Surface.
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* `viewportOffset` is ignored in `RCTSurface` but used in `RCTFabricSurface`.
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*/
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- (void)setMinimumSize:(CGSize)minimumSize maximumSize:(CGSize)maximumSize viewportOffset:(CGPoint)viewportOffset;
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#pragma mark - Dealing with UIView representation, the Main thread only access
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/**
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* Creates (if needed) and returns `UIView` instance which represents the Surface.
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* The Surface will cache and *retain* this object.
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* Returning the UIView instance does not mean that the Surface is ready
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* to execute and layout. It can be just a handler which Surface will use later
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* to mount the actual views.
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* RCTSurface does not control (or influence in any way) the size or origin
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* of this view. Some superview (or another owner) must use other methods
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* of this class to setup proper layout and interop interactions with UIKit
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* or another UI framework.
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* This method must be called only from the main queue.
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*/
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- (RCTSurfaceView *)view;
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#pragma mark - Layout: Measuring
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/**
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* Measures the Surface with given constraints.
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* This method does not cause any side effects on the surface object.
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*/
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- (CGSize)sizeThatFitsMinimumSize:(CGSize)minimumSize maximumSize:(CGSize)maximumSize;
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/**
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* Return the current size of the root view based on (but not clamp by) current
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* size constraints.
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*/
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@property (atomic, assign, readonly) CGSize intrinsicSize;
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#pragma mark - Start & Stop
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/**
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* Starts or stops the Surface.
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* Those methods are a no-op for regular RCTSurface (for now), but all call sites must call them appropriately.
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*/
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- (void)start;
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- (void)stop;
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@end
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NS_ASSUME_NONNULL_END
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