99 lines
2.1 KiB
Objective-C
99 lines
2.1 KiB
Objective-C
/*
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
#import "RCTWrapperView.h"
|
|
|
|
#import <React/RCTBridge.h>
|
|
#import <React/RCTUIManager.h>
|
|
|
|
@implementation RCTWrapperView {
|
|
__weak RCTBridge *_bridge;
|
|
}
|
|
|
|
- (instancetype)initWithBridge:(RCTBridge *)bridge
|
|
{
|
|
if (self = [super initWithFrame:CGRectZero]) {
|
|
_bridge = bridge;
|
|
__weak __typeof(self) weakSelf = self;
|
|
|
|
_measureBlock = ^(CGSize minimumSize, CGSize maximumSize) {
|
|
__typeof(self) strongSelf = weakSelf;
|
|
|
|
if (!strongSelf) {
|
|
return maximumSize;
|
|
}
|
|
|
|
CGSize size = [strongSelf sizeThatFits:maximumSize];
|
|
|
|
return CGSizeMake(
|
|
MAX(size.width, minimumSize.width),
|
|
MAX(size.height, minimumSize.height)
|
|
);
|
|
};
|
|
}
|
|
|
|
return self;
|
|
}
|
|
|
|
#pragma mark - `contentView`
|
|
|
|
- (nullable UIView *)contentView
|
|
{
|
|
return self.subviews.firstObject;
|
|
}
|
|
|
|
- (void)setContentView:(UIView *)contentView
|
|
{
|
|
while (self.subviews.firstObject) {
|
|
[self.subviews.firstObject removeFromSuperview];
|
|
}
|
|
|
|
if (!contentView) {
|
|
return;
|
|
}
|
|
|
|
[super addSubview:contentView];
|
|
|
|
contentView.frame = self.bounds;
|
|
contentView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
|
|
contentView.translatesAutoresizingMaskIntoConstraints = YES;
|
|
}
|
|
|
|
#pragma mark - Layout
|
|
|
|
- (void)setNeedsLayout
|
|
{
|
|
[super setNeedsLayout];
|
|
[self invalidateIntrinsicContentSize];
|
|
}
|
|
|
|
- (void)invalidateIntrinsicContentSize
|
|
{
|
|
[super invalidateIntrinsicContentSize];
|
|
|
|
// Setting `intrinsicContentSize` dirties the Yoga node and
|
|
// enforce Yoga to call `measure` function (backed to `measureBlock`).
|
|
[_bridge.uiManager setIntrinsicContentSize:self.intrinsicContentSize forView:self];
|
|
}
|
|
|
|
- (CGSize)intrinsicContentSize
|
|
{
|
|
return [self sizeThatFits:CGSizeMake(CGFLOAT_MAX, CGFLOAT_MAX)];
|
|
}
|
|
|
|
- (CGSize)sizeThatFits:(CGSize)size
|
|
{
|
|
UIView *contentView = self.contentView;
|
|
if (!contentView) {
|
|
return [super sizeThatFits:size];
|
|
}
|
|
|
|
return [contentView sizeThatFits:size];
|
|
}
|
|
|
|
@end
|