LXTapGestureRecognizer.m

//The MIT License (MIT)
//
//Copyright (c) 2015 Xuan
//
//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:
//
//The above copyright notice and this permission notice shall be included in all
//copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//SOFTWARE.

#import "LXTapGestureRecognizer.h"

@implementation LXTapGestureRecognizer

-(instancetype)initWithTarget:(id)target action:(SEL)action {
    self = [super initWithTarget:target action:action];
    if (self) {
        _maxTapCount = 2;
        _allowMoving = YES;
    }
    return self;
}

/**
 *  touchesBegan for custom taps will filter > maxTapCount taps, default is 2
 *
 *  @param touches touches the recognizer gets
 *  @param event   related event
 */
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    [super touchesBegan:touches withEvent:event];
    if ([touches count] != 1) {
        return;
    } else {
        UITouch *touch = [touches anyObject];
        if (touch.tapCount > self.maxTapCount) {
            self.state = UIGestureRecognizerStateFailed;
            return;
        }
    }
}

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
    if (self.allowMoving) {
        [super touchesMoved:touches withEvent:event];
    } else {
        self.state = UIGestureRecognizerStateFailed;
        return;
    }
}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    [super touchesEnded:touches withEvent:event];
}

- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
    [super touchesCancelled:touches withEvent:event];
}

- (void)reset {
    [super reset];
}

@end