react-native/React/Base/Surface/SurfaceHostingView/RCTSurfaceSizeMeasureMode.h

36 lines
1.1 KiB
Objective-C

/**
* 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 <UIKit/UIKit.h>
#import <React/RCTDefines.h>
/**
* Bitmask defines how size constrains from `-[UIView sizeThatFits:]`
* are translated to `-[RCTSurface sizeThatFitsMinimumSize:maximumSize:]`.
*/
typedef NS_OPTIONS(NSInteger, RCTSurfaceSizeMeasureMode) {
RCTSurfaceSizeMeasureModeWidthUndefined = 0 << 0,
RCTSurfaceSizeMeasureModeWidthExact = 1 << 0,
RCTSurfaceSizeMeasureModeWidthAtMost = 2 << 0,
RCTSurfaceSizeMeasureModeHeightUndefined = 0 << 2,
RCTSurfaceSizeMeasureModeHeightExact = 1 << 2,
RCTSurfaceSizeMeasureModeHeightAtMost = 2 << 2,
};
/**
* Returns size constraints based on `size` and `sizeMeasureMode`.
*/
RCT_EXTERN void RCTSurfaceMinimumSizeAndMaximumSizeFromSizeAndSizeMeasureMode(
CGSize size,
RCTSurfaceSizeMeasureMode sizeMeasureMode,
CGSize &minimumSize,
CGSize &maximumSize
);