MiMO_iOS/MiMoLive/Classes/Base/SVG/UIButton+MOSvga.m

//
//  UIButton+MOSvga.m
//  MiMoLive
//
//  Created by SuperC on 2023/11/24.
//

#import "UIButton+MOSvga.h"
#import "SVGA.h"
#import "YYKit.h"

static SVGAParser *parser;

@implementation UIButton (MOSvga)

- (void)mo_setImageWithUrl:(NSString *)urlString forState:(UIControlState)state placeholder:(UIImage *)placeholderImage loops:(int)loops AndFrame:(CGRect)rectFrame{
    //-135只是一个自定义的tag值，避免一些常用的1.2.3.4.5等值。
    SVGAPlayer *player = [self viewWithTag:-135-state];
    
    //创建SVGAPlayer
    if (player == nil)
    {
        //跟imageView大小相同
        player = [[SVGAPlayer alloc] initWithFrame:self.imageView.bounds];
        player.tag = -135-state;
        //超出边框的需要被裁剪，否则出现出界的情况
        self.imageView.clipsToBounds = YES;
        [self.imageView addSubview:player];
    }
    
    //每次重新给player的frame赋值，不然刷新时，部分会出现宽高为0的问题
    
    player.frame = rectFrame;
    
    //创建解析对象
    parser = [[SVGAParser alloc] init];
    //从url中解析
    [parser parseWithURL:[NSURL URLWithString:urlString] completionBlock:^(SVGAVideoEntity * _Nullable videoItem)
    {
        if (videoItem != nil)
        {
            //把背后的图片设置为空
            player.hidden = NO;
            //设置动画item
            player.videoItem = videoItem;
            //设置循环次数
            if (loops >0)
            {
                player.loops = loops;
            }
            //停止后是否清除动画。默认YES，NO的话会停在最后一帧。
            player.clearsAfterStop = NO;
            //播放动画
            [player startAnimation];
        }
        
    } failureBlock:^(NSError * _Nonnull error)
    {
        MOLogV(@"SVGAParser error : %@",error);
    }];
    
    WEAKSELF
    [self addObserverBlockForKeyPath:@"buttonType" block:^(id  _Nonnull obj, id  _Nullable oldVal, id  _Nullable newVal)
    {
        SVGAPlayer *player0 = [weakSelf viewWithTag:(-135-[oldVal integerValue])];
        [player0 stopAnimation];
        player0.hidden = YES;
        
        SVGAPlayer *player1 = [weakSelf viewWithTag:(-135-[newVal integerValue])];
        [player1 startAnimation];
    }];
}

- (void)dealloc
{
    [self removeObserverBlocksForKeyPath:@"buttonType"];
}


@end