react-native-gesture-handler/ios/Handlers/RNPinchHandler.m at v1.2.2 · devagul93/react-native-gesture-handler · 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
//
//  RNPinchHandler.m
//  RNGestureHandler
//
//  Created by Krzysztof Magiera on 12/10/2017.
//  Copyright © 2017 Software Mansion. All rights reserved.
//

#import "RNPinchHandler.h"

@implementation RNPinchGestureHandler

- (instancetype)initWithTag:(NSNumber *)tag
{
    if ((self = [super initWithTag:tag])) {
#if !TARGET_OS_TV
        _recognizer = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(handleGesture:)];
#endif
    }
    return self;
}

#if !TARGET_OS_TV
- (RNGestureHandlerEventExtraData *)eventExtraData:(UIPinchGestureRecognizer *)recognizer
{
    return [RNGestureHandlerEventExtraData
            forPinch:recognizer.scale
            withFocalPoint:[recognizer locationInView:recognizer.view]
            withVelocity:recognizer.velocity
            withNumberOfTouches:recognizer.numberOfTouches];
}
#endif

@end