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89 lines
2.2 KiB
89 lines
2.2 KiB
#import "RNManualHandler.h"
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@interface RNManualRecognizer : UIGestureRecognizer
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- (id)initWithGestureHandler:(RNGestureHandler *)gestureHandler;
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@end
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@implementation RNManualRecognizer {
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__weak RNGestureHandler *_gestureHandler;
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BOOL _shouldSendBeginEvent;
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}
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- (id)initWithGestureHandler:(RNGestureHandler *)gestureHandler
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{
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if ((self = [super initWithTarget:gestureHandler action:@selector(handleGesture:)])) {
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_gestureHandler = gestureHandler;
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_shouldSendBeginEvent = YES;
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}
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return self;
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}
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- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
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{
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[super touchesBegan:touches withEvent:event];
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[_gestureHandler.pointerTracker touchesBegan:touches withEvent:event];
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if (_shouldSendBeginEvent) {
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[_gestureHandler handleGesture:self];
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_shouldSendBeginEvent = NO;
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}
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}
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- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
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{
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[super touchesMoved:touches withEvent:event];
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[_gestureHandler.pointerTracker touchesMoved:touches withEvent:event];
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if ([self shouldFail]) {
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self.state = (self.state == UIGestureRecognizerStatePossible) ? UIGestureRecognizerStateFailed
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: UIGestureRecognizerStateCancelled;
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[self reset];
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}
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}
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- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
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{
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[super touchesEnded:touches withEvent:event];
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[_gestureHandler.pointerTracker touchesEnded:touches withEvent:event];
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}
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- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
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{
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[super touchesCancelled:touches withEvent:event];
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[_gestureHandler.pointerTracker touchesCancelled:touches withEvent:event];
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}
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- (void)reset
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{
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[_gestureHandler.pointerTracker reset];
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[super reset];
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_shouldSendBeginEvent = YES;
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}
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- (BOOL)shouldFail
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{
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if (_gestureHandler.shouldCancelWhenOutside && ![_gestureHandler containsPointInView]) {
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return YES;
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} else {
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return NO;
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}
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}
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@end
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@implementation RNManualGestureHandler
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- (instancetype)initWithTag:(NSNumber *)tag
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{
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if ((self = [super initWithTag:tag])) {
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_recognizer = [[RNManualRecognizer alloc] initWithGestureHandler:self];
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}
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return self;
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}
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@end
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