react-native-navigation/ios/StackControllerDelegate.mm at 97a92f15f4ba6b53d566913db936be628cefee12 · wix/react-native-navigation · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
#import "StackControllerDelegate.h"
#import "ScreenAnimationController.h"
#import "ScreenReversedAnimationController.h"
#import "UIViewController+LayoutProtocol.h"

@implementation StackControllerDelegate {
#ifdef RCT_NEW_ARCH_ENABLED
  RNNEventEmitter *_eventEmitter;
#else
    RNNEventEmitter *_eventEmitter;
#endif
    UIViewController *_presentedViewController;
    BOOL _isPopping;
}

#ifdef RCT_NEW_ARCH_ENABLED
- (instancetype)initWithEventEmitter:(RNNEventEmitter *)eventEmitter {
#else
- (instancetype)initWithEventEmitter:(RNNEventEmitter *)eventEmitter {
#endif
    self = [super init];
    _eventEmitter = eventEmitter;
    return self;
}

- (void)navigationController:(UINavigationController *)navigationController
      willShowViewController:(UIViewController *)viewController
                    animated:(BOOL)animated {
    if (_presentedViewController) {
        if (![navigationController.viewControllers containsObject:_presentedViewController]) {
            _isPopping = YES;
        }

        id<UIViewControllerTransitionCoordinator> coordinator = navigationController.transitionCoordinator;
        if (coordinator && coordinator.isInteractive) {
            UIViewController *poppingViewController = _presentedViewController;
            [coordinator notifyWhenInteractionChangesUsingBlock:^(id<UIViewControllerTransitionCoordinatorContext> context) {
                if (!context.isCancelled) {
                    if ([poppingViewController conformsToProtocol:@protocol(RNNLayoutProtocol)]) {
                        UIViewController<RNNLayoutProtocol> *rnnVC = (UIViewController<RNNLayoutProtocol> *)poppingViewController;
                        if ([rnnVC.options.navigationButtonEventOnSwipeBack withDefault:NO]) {
                            NSString *buttonId = [rnnVC.options.topBar.backButton.identifier withDefault:@"RNN.back"];
                            [self->_eventEmitter sendOnNavigationButtonPressed:rnnVC.layoutInfo.componentId
                                                                      buttonId:buttonId];
                        }
                    }
                }
            }];
        }
    }
}

- (void)navigationController:(UINavigationController *)navigationController
       didShowViewController:(UIViewController *)viewController
                    animated:(BOOL)animated {
    if (_presentedViewController &&
        ![navigationController.viewControllers containsObject:_presentedViewController]) {
        [_presentedViewController screenPopped];
        [_presentedViewController destroyReactView];
        _isPopping = NO;
    }

    _presentedViewController = viewController;
}

- (BOOL)navigationController:(UINavigationController *)navigationController
               shouldPopItem:(BOOL)shouldPopItem {
    if (@available(iOS 13.0, *)) {
        return shouldPopItem;
    } else {
        if (_isPopping) {
            return YES;
        } else if (shouldPopItem) {
            [navigationController popViewControllerAnimated:YES];
            _isPopping = NO;
            return YES;
        } else {
            return NO;
        }
    }
}

- (id<UIViewControllerAnimatedTransitioning>)
               navigationController:(UINavigationController *)navigationController
    animationControllerForOperation:(UINavigationControllerOperation)operation
                 fromViewController:(UIViewController *)fromVC
                   toViewController:(UIViewController *)toVC {
    RNNNavigationOptions *toVCOptionsWithDefault = toVC.resolveOptionsWithDefault;
    RNNNavigationOptions *fromVCOptionsWithDefault = fromVC.resolveOptionsWithDefault;
    if (operation == UINavigationControllerOperationPush &&
        toVCOptionsWithDefault.animations.push.hasCustomAnimation) {
        RNNScreenTransition *screenTransition = toVCOptionsWithDefault.animations.push;
#ifdef RCT_NEW_ARCH_ENABLED
    return [[ScreenAnimationController alloc]
            initWithContentTransition:screenTransition.content
            elementTransitions:screenTransition.elementTransitions
            sharedElementTransitions:screenTransition.sharedElementTransitions
            duration:screenTransition.maxDuration
            host:_eventEmitter.host];
#else
		return [[ScreenAnimationController alloc]
            initWithContentTransition:screenTransition.content
                   elementTransitions:screenTransition.elementTransitions
             sharedElementTransitions:screenTransition.sharedElementTransitions
                             duration:screenTransition.maxDuration
                               bridge:_eventEmitter.bridge];
#endif
    } else if (operation == UINavigationControllerOperationPop &&
               fromVCOptionsWithDefault.animations.pop.hasCustomAnimation) {
        RNNScreenTransition *screenTransition = fromVCOptionsWithDefault.animations.pop;
#ifdef RCT_NEW_ARCH_ENABLED
    return [[ScreenReversedAnimationController alloc]
      initWithContentTransition:screenTransition.content
           elementTransitions:screenTransition.elementTransitions
       sharedElementTransitions:screenTransition.sharedElementTransitions
               duration:screenTransition.maxDuration
                 host:_eventEmitter.host];
#else
        return [[ScreenReversedAnimationController alloc]
            initWithContentTransition:screenTransition.content
                   elementTransitions:screenTransition.elementTransitions
             sharedElementTransitions:screenTransition.sharedElementTransitions
                             duration:screenTransition.maxDuration
                               bridge:_eventEmitter.bridge];
#endif
    } else {
        return nil;
    }

    return nil;
}

@end