react-native/React/Base/RCTRootViewDelegate.h

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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <Foundation/Foundation.h>
@class RCTRootView;
@protocol RCTRootViewDelegate <NSObject>
/**
* Called after the root view's content is updated to a new size. The method is not called
* when both old size and new size have a dimension that equals to zero.
*
* The delegate can use this callback to appropriately resize the root view frame to fit the new
* content view size. The view will not resize itself. The new content size is available via the
* intrinsicSize propery of the root view.
*/
- (void)rootViewDidChangeIntrinsicSize:(RCTRootView *)rootView;
@end