label事件传递

这几天遇到一个很有意思也很脑门的事情，- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event，该方法点击一次却连调两次，甚是郁闷至极。
场景1：
KLLabel : UILabel
UILabel (YBAttributeTextTapAction)
在KLLabel的实例调用其分类的方法

//评论内容
    KLLabel* commentLab1 = [[KLLabel alloc]init];
commentLab1.hashtagLinkTapHandler = ^(KLLabel *label, NSString *string, NSRange range){
        if (_topicNameBlock) {
            _topicNameBlock(string);
        }
        NSLog(@"hashtagLinkTapHandler");
    };
    commentLab1.userHandleLinkTapHandler = ^(KLLabel *label, NSString *string, NSRange range) {
        if (_aterNicknameBlock) {
            _aterNicknameBlock([string stringByReplacingOccurrencesOfString:@"@" withString:@""]);
        }
    };
    commentLab1.urlLinkTapHandler = ^(KLLabel *label, NSString *string, NSRange range) {
        //shareType不为空即可分享
        NSString* urlStr = nil;
        if ([string hasPrefix:@"www"]) {
            urlStr = [NSString stringWithFormat:@"https://%@",string];
        }else{
            urlStr = string;
        }
        JJNavigationController * nav = [ProjectManager sharedInstance].getTabSelectedNav;
        WebViewController * webVC = [[WebViewController alloc]init];
        webVC = [webHelper getWebVC:urlStr];
        [nav pushViewController:webVC animated:YES];

    };

这个是回调KLLabel没有被选中的区域

_commentLab1.jumpVcBlock = ^(){

            dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.15 * NSEC_PER_SEC)), dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ //dispatch_get_main_queue()
                if (!_commentFlag) {
                    dispatch_async(dispatch_get_main_queue(), ^{
                        _tapUpview();//点击正文回调
                        _commentFlag = NO;
                    });
                }else{
                    _commentFlag = NO;
                }
            });
    };

这个是YBAttributeTextTapAction分类回调昵称的区域

if ([replyModel1.to_user_id isEqualToString:@"0"]) {
                [_commentLab1 yb_addAttributeTapActionWithStrings:@[name] tapClicked:^(NSString *string, NSRange range, NSInteger index) {


                        _commentFlag = YES;
                        _replyTitleView(replyModel1.user_id,name);


                }];

            }else{
                [_commentLab1 yb_addAttributeTapActionWithStrings:@[replyModel1.user_name,replyModel1.to_user_name] tapClicked:^(NSString *string, NSRange range, NSInteger index) {

                    if (index == 0) {

                            _commentFlag = YES;
                            _replyTitleView(replyModel1.user_id,name);

                    }else{

                            _commentFlag = YES;
                            _replyTitleView(replyModel1.to_user_id,toname);

                    }
                }];

            }

//KLLabel
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
    _isTouchMoved = NO;

    // Get the info for the touched link if there is one
    NSDictionary *touchedLink;
    CGPoint touchLocation = [[touches anyObject] locationInView:self];
    touchedLink = [self linkAtPoint:touchLocation];

    if (touchedLink)
    {
        self.selectedRange = [[touchedLink objectForKey:KILabelRangeKey] rangeValue];
        if (_urlLinkTapHandler) {//life 他自己不调，商会聊天页面，所以判断是url后主动调用  //此问题已解决，暂留life
            //            [self touchesEnded:touches withEvent:event];
        }
    }
    else
    {
//        [super touchesBegan:touches withEvent:event];
    }
}

//UILabel (YBAttributeTextTapAction)
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    if (!self.isTapAction) {
        return;
    }
    
    if (objc_getAssociatedObject(self, @selector(enabledTapEffect))) {
        self.isTapEffect = self.enabledTapEffect;
    }
    
    UITouch *touch = [touches anyObject];
    
    CGPoint point = [touch locationInView:self];
    
    __weak typeof(self) weakSelf = self;
    
    [self yb_getTapFrameWithTouchPoint:point result:^(NSString *string, NSRange range, NSInteger index) {
        
        if (weakSelf.tapBlock) {
            weakSelf.tapBlock (string , range , index);
        }
        
        if (weakSelf.delegate && [weakSelf.delegate respondsToSelector:@selector(yb_attributeTapReturnString:range:index:)]) {
            [weakSelf.delegate yb_attributeTapReturnString:string range:range index:index];
        }
        
        if (self.isTapEffect) {
            
            [self yb_saveEffectDicWithRange:range];
            
            [self yb_tapEffectWithStatus:YES];
        }
        
    }];
}

问题来了：

1. 长按事件代码断点路径
   kllabel

• (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
  -》分两种情况
  @1 ：调了 [super touchesBegan:touches withEvent:event]; 就会继续走到UILabel (YBAttributeTextTapAction)的- (void)touchesBegan:
  @2：没调的话则不会走到

2.单击事件代码断点路径
kllabel

• (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
  -》分两种情况
  @1 ：调了 [super touchesBegan:touches withEvent:event]; 就会继续走到UILabel (YBAttributeTextTapAction)的- (void)touchesBegan:，而且连续调两次
  @2：没调的话则只调一次后面的

3.单击且不调 [super touchesBegan:touches withEvent:event]，那么UILabel (YBAttributeTextTapAction)的- (void)touchesBegan:就只调用一次，但是会先回调KLLabel的没有事件区域jumpVcBlock回调，然后才回到YBAttributeTextTapAction的yb_addAttributeTapActionWithStrings回调，这么一来就会先去详情才去profile，所以还是得判断，而且判断逻辑就如上述，延迟0.15S的等待时间，其实这样很不好，最好的方式是在多线程处理，应该是线程组，等到这一组线程都完成了，才开始下一个动作，待续

feedcomment.png