MiMO_iOS/MiMoLive/Classes/Base/Guide/MOGuideMaskView.m

//
//  MOGuideMaskView.m
//  MiMoLive
//
//  Created by MiMo on 2025/6/12.
//

#import "MOGuideMaskView.h"

@interface MOGuideMaskView ()

@property (nonatomic, strong) NSMutableArray<UIBezierPath *> *holePaths;

@end

@implementation MOGuideMaskView

- (instancetype)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        _holePaths = [NSMutableArray array];
        _maskColor = [MOTools colorWithHexString:@"#000000" alpha:0.4];
        _dismissOnTouch = YES;
        
        self.backgroundColor = UIColor.clearColor;
        self.userInteractionEnabled = YES;

        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(onTap)];
        [self addGestureRecognizer:tap];
    }
    return self;
}

- (void)addHoleWithRect:(CGRect)rect cornerRadius:(CGFloat)cornerRadius {
    UIBezierPath *hole = [UIBezierPath bezierPathWithRoundedRect:rect cornerRadius:cornerRadius];
    [self.holePaths addObject:hole];
}

- (void)show {
    UIBezierPath *fullPath = [UIBezierPath bezierPathWithRect:self.bounds];
    for (UIBezierPath *hole in self.holePaths) {
        [fullPath appendPath:hole];
    }
    fullPath.usesEvenOddFillRule = YES;

    CAShapeLayer *maskLayer = [CAShapeLayer layer];
    maskLayer.path = fullPath.CGPath;
    maskLayer.fillRule = kCAFillRuleEvenOdd;

    self.backgroundColor = self.maskColor;
    self.layer.mask = maskLayer;

    [[UIApplication sharedApplication].keyWindow addSubview:self];
}

- (void)showInView:(UIView *)superView {
    UIBezierPath *fullPath = [UIBezierPath bezierPathWithRect:self.bounds];
    for (UIBezierPath *hole in self.holePaths) {
        [fullPath appendPath:hole];
    }
    fullPath.usesEvenOddFillRule = YES;

    CAShapeLayer *maskLayer = [CAShapeLayer layer];
    maskLayer.path = fullPath.CGPath;
    maskLayer.fillRule = kCAFillRuleEvenOdd;

    self.backgroundColor = self.maskColor;
    self.layer.mask = maskLayer;

    [superView addSubview:self];
}

- (void)onTap {
    if (self.dismissOnTouch) {
        self.alpha = 1.0;
        [UIView animateWithDuration:0.3 animations:^{
            self.alpha = 0.0;
        } completion:^(BOOL finished) {
            [self removeFromSuperview];
            
            if (self.hideBlock) {
                self.hideBlock();
            }
        }];
    }
}

@end