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96 lines
2.4 KiB
96 lines
2.4 KiB
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//
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// RNPinchHandler.m
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// RNGestureHandler
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//
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// Created by Krzysztof Magiera on 12/10/2017.
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// Copyright © 2017 Software Mansion. All rights reserved.
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//
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#import "RNPinchHandler.h"
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#if !TARGET_OS_TV
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@interface RNBetterPinchRecognizer : UIPinchGestureRecognizer
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- (id)initWithGestureHandler:(RNGestureHandler *)gestureHandler;
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@end
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@implementation RNBetterPinchRecognizer {
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__weak RNGestureHandler *_gestureHandler;
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}
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- (id)initWithGestureHandler:(RNGestureHandler *)gestureHandler
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{
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if ((self = [super initWithTarget:self action:@selector(handleGesture:)])) {
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_gestureHandler = gestureHandler;
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}
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return self;
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}
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- (void)handleGesture:(UIGestureRecognizer *)recognizer
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{
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if (self.state == UIGestureRecognizerStateBegan) {
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self.scale = 1;
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}
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[_gestureHandler handleGesture:recognizer];
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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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}
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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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}
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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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}
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@end
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#endif
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@implementation RNPinchGestureHandler
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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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#if !TARGET_OS_TV
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_recognizer = [[RNBetterPinchRecognizer alloc] initWithGestureHandler:self];
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#endif
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}
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return self;
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}
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#if !TARGET_OS_TV
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- (RNGestureHandlerEventExtraData *)eventExtraData:(UIPinchGestureRecognizer *)recognizer
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{
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return [RNGestureHandlerEventExtraData forPinch:recognizer.scale
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withFocalPoint:[recognizer locationInView:recognizer.view]
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withVelocity:recognizer.velocity
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withNumberOfTouches:recognizer.numberOfTouches];
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}
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#endif
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@end
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