89 lines
2.2 KiB
Mathematica
89 lines
2.2 KiB
Mathematica
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// RNLongPressHandler.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 "RNLongPressHandler.h"
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#import <UIKit/UIGestureRecognizerSubclass.h>
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#import <React/RCTConvert.h>
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@interface RNBetterLongPressGestureRecognizer : UILongPressGestureRecognizer
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- (id)initWithGestureHandler:(RNGestureHandler*)gestureHandler;
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@end
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@implementation RNBetterLongPressGestureRecognizer {
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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:gestureHandler 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)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
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{
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[super touchesMoved:touches withEvent:event];
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if (_gestureHandler.shouldCancelWhenOutside) {
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CGPoint pt = [self locationInView:self.view];
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if (!CGRectContainsPoint(self.view.bounds, pt)) {
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self.enabled = NO;
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self.enabled = YES;
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}
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}
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}
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@end
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@implementation RNLongPressGestureHandler
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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 = [[RNBetterLongPressGestureRecognizer alloc] initWithGestureHandler:self];
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}
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return self;
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}
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- (void)configure:(NSDictionary *)config
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{
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[super configure:config];
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UILongPressGestureRecognizer *recognizer = (UILongPressGestureRecognizer *)_recognizer;
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id prop = config[@"minDurationMs"];
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if (prop != nil) {
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recognizer.minimumPressDuration = [RCTConvert CGFloat:prop] / 1000.0;
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}
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prop = config[@"maxDist"];
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if (prop != nil) {
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recognizer.allowableMovement = [RCTConvert CGFloat:prop];
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}
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}
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- (RNGestureHandlerState)state
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{
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// For long press recognizer we treat "Began" state as "active"
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// as it changes its state to "Began" as soon as the the minimum
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// hold duration timeout is reached, whereas state "Changed" is
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// only set after "Began" phase if there is some movement.
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if (_recognizer.state == UIGestureRecognizerStateBegan) {
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return RNGestureHandlerStateActive;
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}
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return [super state];
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}
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@end
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