packages/rn-tester/RNTester/NativeExampleViews/UpdatePropertiesExampleView.mm - main - githubmirror/react-native

packages/rn-tester/RNTester/NativeExampleViews/UpdatePropertiesExampleView.mm
105 строк3 KB
artus9033
Add SceneDelegate support (#57700)
11 авг 2026, 13:59
11 авг 2026, 13:597bfe32f
/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#import "UpdatePropertiesExampleView.h"

#if __has_include(<React/RCTRootViewFactory.h>)
#import <React/RCTRootViewFactory.h>
#else
#import <RCTRootViewFactory.h>
#endif
#import <React/RCTRootView.h>

@interface UpdatePropertiesExampleView ()

- (instancetype)initWithFrame:(CGRect)frame rootViewFactory:(RCTRootViewFactory *)rootViewFactory;

@end

@implementation UpdatePropertiesExampleViewManager {
  RCTRootViewFactory *_rootViewFactory;
}

RCT_EXPORT_MODULE();

- (instancetype)initWithRootViewFactory:(RCTRootViewFactory *)rootViewFactory
{
  if ((self = [super init]) != nil) {
    _rootViewFactory = rootViewFactory;
  }
  return self;
}

- (UIView *)view
{
  return [[UpdatePropertiesExampleView alloc] initWithFrame:CGRectZero rootViewFactory:_rootViewFactory];
}

@end

@implementation UpdatePropertiesExampleView {
  RCTRootView *_rootView;
  UIButton *_button;
  BOOL _beige;
}

- (instancetype)initWithFrame:(CGRect)frame
{
  return [self initWithFrame:frame rootViewFactory:nil];
}

- (instancetype)initWithFrame:(CGRect)frame rootViewFactory:(RCTRootViewFactory *)rootViewFactory
{
  self = [super initWithFrame:frame];
  if (self) {
    _beige = YES;

    _rootView = (RCTRootView *)[rootViewFactory viewWithModuleName:@"SetPropertiesExampleApp"
                                                 initialProperties:@{@"color" : @"beige"}];

    _button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
    [_button setTitle:@"Native Button" forState:UIControlStateNormal];
    [_button setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
    [_button setBackgroundColor:[UIColor grayColor]];

    [_button addTarget:self action:@selector(changeColor) forControlEvents:UIControlEventTouchUpInside];

    [self addSubview:_button];
    [self addSubview:_rootView];
  }
  return self;
}

- (void)layoutSubviews
{
  float spaceHeight = 20;
  float buttonHeight = 40;
  float rootViewWidth = self.bounds.size.width;
  float rootViewHeight = self.bounds.size.height - spaceHeight - buttonHeight;

  [_rootView setFrame:CGRectMake(0, 0, rootViewWidth, rootViewHeight)];
  [_button setFrame:CGRectMake(0, rootViewHeight + spaceHeight, rootViewWidth, buttonHeight)];
}

- (void)changeColor
{
  _beige = !_beige;

  NSMutableDictionary *newProperties = [_rootView.appProperties mutableCopy];
  newProperties[@"color"] = _beige ? @"beige" : @"purple";

  [_rootView setAppProperties:newProperties];
}

- (NSArray<UIView<RCTComponent> *> *)reactSubviews
{
  // this is to avoid unregistering our RCTRootView when the component is removed from RN hierarchy
  (void)[super reactSubviews];
  return @[];
}

@end