klx_teacher/KulexiuForTeacher/KulexiuForTeacher/Common/MediaMerge/AudioMerge/KSAudioAnimationView.m

//
//  KSAudioAnimationView.m
//  KulexiuSchoolStudent
//
//  Created by 王智 on 2023/8/29.
//

#import "KSAudioAnimationView.h"

#define ANIMATION_RATIO (0.9)

@interface KSAudioAnimationView ()

// 💿旋转view
@property (weak, nonatomic) IBOutlet UIView *discView;

@property (weak, nonatomic) IBOutlet UIImageView *music_image;

@property (nonatomic, strong) UIImageView *stylusImage;

@end

@implementation KSAudioAnimationView
- (void)awakeFromNib {
    [super awakeFromNib];
    [self addSubview:self.stylusImage];
    self.stylusImage.frame = CGRectMake(132*ANIMATION_RATIO, 17*ANIMATION_RATIO, 43*ANIMATION_RATIO, 117*ANIMATION_RATIO);
    [self setAnchorPoint:CGPointMake(28.5 / 43*ANIMATION_RATIO, 25.0 / 117*ANIMATION_RATIO) forView:self.stylusImage];
    [self transformStylusView:YES];
}
- (void)setAnchorPoint:(CGPoint)anchorPoint forView:(UIView *)stylusImage {
    CGPoint oldOrigin = stylusImage.frame.origin;
    stylusImage.layer.anchorPoint = anchorPoint;
    CGPoint newOrigin = stylusImage.frame.origin;
    CGPoint transition;
    transition.x = newOrigin.x - oldOrigin.x;
    transition.y = newOrigin.y - oldOrigin.y;
    stylusImage.center = CGPointMake(stylusImage.center.x - transition.x, stylusImage.center.y - transition.y);
}

- (void)transformStylusView:(BOOL)isHide {
    if (isHide) {
        self.stylusImage.transform = CGAffineTransformIdentity;
        self.stylusImage.transform = CGAffineTransformMakeRotation(M_PI_2);
    }
    else {
        self.stylusImage.transform = CGAffineTransformIdentity;
    }
}


+ (instancetype)shareInstance {
    KSAudioAnimationView *view = [[[NSBundle mainBundle] loadNibNamed:@"KSAudioAnimationView" owner:nil options:nil] firstObject];
    view.frame = CGRectMake(0, 0, 180, 180);
    return view;
}


- (void)setIsPlay:(BOOL)isPlay {
    _isPlay = isPlay;
    if (isPlay) {
        [self addRotationAnimation];
        [UIView animateWithDuration:1 animations:^{
            [self transformStylusView:NO];
        }];
    }
    else {
        [self removeAnimation];
        [UIView animateWithDuration:1 animations:^{
            [self transformStylusView:YES];
        }];
    }
}

- (void)addRotationAnimation {
    CABasicAnimation *rotationAnimation = [CABasicAnimation animationWithKeyPath:@"transform.rotation.z"];
    rotationAnimation.toValue = [NSNumber numberWithFloat:M_PI *2.0];
    rotationAnimation.duration = 4.0f;
    rotationAnimation.cumulative = YES;
    rotationAnimation.repeatCount = CGFLOAT_MAX;
    [self.discView.layer addAnimation:rotationAnimation forKey:@"rotationAnimation"];
}

- (void)removeAnimation {
    [self.discView.layer removeAllAnimations];
}

- (void)configWithImageWithUrl:(NSString *)imageUrl {
    if ([NSString isEmptyString:imageUrl]) {
        [self.music_image setImage:[UIImage imageNamed:@"pub_music_placeholder"]];
    }
    else {
        [self.music_image sd_setImageWithURL:[NSURL URLWithString:imageUrl]];
    }
}

- (UIImageView *)stylusImage {
    if (!_stylusImage) {
        _stylusImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"stylus_image"]];
    }
    return _stylusImage;
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/

@end