96 lines
2.1 KiB
Mathematica
96 lines
2.1 KiB
Mathematica
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/*
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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 "RCTWrapperView.h"
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#import <React/RCTBridge.h>
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#import <React/RCTUIManager.h>
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@implementation RCTWrapperView {
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__weak RCTBridge *_bridge;
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}
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- (instancetype)initWithBridge:(RCTBridge *)bridge
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{
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if (self = [super initWithFrame:CGRectZero]) {
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_bridge = bridge;
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__weak __typeof(self) weakSelf = self;
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_measureBlock = ^(CGSize minimumSize, CGSize maximumSize) {
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__typeof(self) strongSelf = weakSelf;
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if (!strongSelf) {
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return maximumSize;
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}
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CGSize size = [strongSelf sizeThatFits:maximumSize];
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return CGSizeMake(MAX(size.width, minimumSize.width), MAX(size.height, minimumSize.height));
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};
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}
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return self;
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}
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#pragma mark - `contentView`
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- (nullable UIView *)contentView
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{
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return self.subviews.firstObject;
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}
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- (void)setContentView:(UIView *)contentView
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{
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while (self.subviews.firstObject) {
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[self.subviews.firstObject removeFromSuperview];
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}
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if (!contentView) {
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return;
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}
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[super addSubview:contentView];
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contentView.frame = self.bounds;
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contentView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
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contentView.translatesAutoresizingMaskIntoConstraints = YES;
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}
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#pragma mark - Layout
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- (void)setNeedsLayout
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{
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[super setNeedsLayout];
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[self invalidateIntrinsicContentSize];
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}
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- (void)invalidateIntrinsicContentSize
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{
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[super invalidateIntrinsicContentSize];
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// Setting `intrinsicContentSize` dirties the Yoga node and
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// enforce Yoga to call `measure` function (backed to `measureBlock`).
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[_bridge.uiManager setIntrinsicContentSize:self.intrinsicContentSize forView:self];
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}
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- (CGSize)intrinsicContentSize
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{
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return [self sizeThatFits:CGSizeMake(CGFLOAT_MAX, CGFLOAT_MAX)];
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}
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- (CGSize)sizeThatFits:(CGSize)size
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{
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UIView *contentView = self.contentView;
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if (!contentView) {
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return [super sizeThatFits:size];
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}
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return [contentView sizeThatFits:size];
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}
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@end
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