SellyCloudSDK_demo/Example/SellyCloudSDK/Controllers/Home/AVLiveStreamCell.m

//
//  AVLiveStreamCell.m
//  AVDemo
//

#import "AVLiveStreamCell.h"
#import "AVLiveStreamModel.h"
#import <Masonry/Masonry.h>
#import <SDWebImage/SDWebImage.h>

@interface AVLiveStreamCell ()

@property (nonatomic, strong) UIImageView *thumbnailView;
@property (nonatomic, strong) UIView *overlayView;
@property (nonatomic, strong) UIImageView *playIcon;
@property (nonatomic, strong) UILabel *durationLabel;
@property (nonatomic, strong) UILabel *nameLabel;
@property (nonatomic, strong) UILabel *liveLabel;
@property (nonatomic, strong) UILabel *protocolLabel;

@end

@implementation AVLiveStreamCell

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        [self setupUI];
    }
    return self;
}

- (void)setupUI {
    // 配置 Cell 背景
    self.contentView.backgroundColor = [UIColor secondarySystemBackgroundColor];
    self.contentView.layer.cornerRadius = 8;
    self.contentView.clipsToBounds = YES;
    
    // 创建缩略图
    _thumbnailView = [[UIImageView alloc] init];
    _thumbnailView.backgroundColor = [UIColor systemGrayColor];
    _thumbnailView.contentMode = UIViewContentModeScaleAspectFill;
    _thumbnailView.clipsToBounds = YES;
    [self.contentView addSubview:_thumbnailView];
    
    // 半透明遮罩层
    _overlayView = [[UIView alloc] init];
    _overlayView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.2];
    [_thumbnailView addSubview:_overlayView];
    
    // 播放图标
    _playIcon = [[UIImageView alloc] initWithImage:[UIImage systemImageNamed:@"play.circle.fill"]];
    _playIcon.tintColor = [UIColor whiteColor];
    _playIcon.contentMode = UIViewContentModeScaleAspectFit;
    _playIcon.layer.shadowColor = [UIColor blackColor].CGColor;
    _playIcon.layer.shadowOffset = CGSizeMake(0, 2);
    _playIcon.layer.shadowOpacity = 0.3;
    _playIcon.layer.shadowRadius = 4;
    [_thumbnailView addSubview:_playIcon];
    
    // 直播时长标签
    _durationLabel = [[UILabel alloc] init];
    _durationLabel.font = [UIFont systemFontOfSize:12 weight:UIFontWeightMedium];
    _durationLabel.textColor = [UIColor whiteColor];
    _durationLabel.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.6];
    _durationLabel.textAlignment = NSTextAlignmentCenter;
    _durationLabel.layer.cornerRadius = 4;
    _durationLabel.clipsToBounds = YES;
    [_thumbnailView addSubview:_durationLabel];
    
    // 流名称标签
    _nameLabel = [[UILabel alloc] init];
    _nameLabel.font = [UIFont systemFontOfSize:14 weight:UIFontWeightSemibold];
    _nameLabel.textColor = [UIColor labelColor];
    _nameLabel.numberOfLines = 1;
    [self.contentView addSubview:_nameLabel];
    
    // 底部信息容器
    UIView *infoContainerView = [[UIView alloc] init];
    [self.contentView addSubview:infoContainerView];
    
    // 直播状态标签
    _liveLabel = [[UILabel alloc] init];
    _liveLabel.text = @"🔴 直播中";
    _liveLabel.font = [UIFont systemFontOfSize:11 weight:UIFontWeightMedium];
    _liveLabel.textColor = [UIColor systemRedColor];
    [infoContainerView addSubview:_liveLabel];
    
    // 协议标签
    _protocolLabel = [[UILabel alloc] init];
    _protocolLabel.font = [UIFont systemFontOfSize:10 weight:UIFontWeightMedium];
    _protocolLabel.textColor = [UIColor whiteColor];
    _protocolLabel.backgroundColor = [UIColor systemBlueColor];
    _protocolLabel.textAlignment = NSTextAlignmentCenter;
    _protocolLabel.layer.cornerRadius = 3;
    _protocolLabel.clipsToBounds = YES;
    [infoContainerView addSubview:_protocolLabel];
    
    // 布局
    [_thumbnailView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.left.right.equalTo(self.contentView);
        // 使用较低优先级的宽高比约束 3:4，允许它在必要时被压缩
        make.height.equalTo(_thumbnailView.mas_width).multipliedBy(4.0 / 3.0).priority(750);
    }];
    
    [_overlayView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(_thumbnailView);
    }];
    
    [_playIcon mas_makeConstraints:^(MASConstraintMaker *make) {
        make.center.equalTo(_thumbnailView);
        make.width.height.equalTo(@50);
    }];
    
    [_durationLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.bottom.equalTo(_thumbnailView).offset(-8);
        make.right.equalTo(_thumbnailView).offset(-8);
        make.height.equalTo(@20);
        make.width.greaterThanOrEqualTo(@50);
    }];
    
    [_nameLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(_thumbnailView.mas_bottom).offset(8);
        make.left.equalTo(self.contentView).offset(8);
        make.right.equalTo(self.contentView).offset(-8);
    }];
    
    [infoContainerView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(_nameLabel.mas_bottom).offset(4);
        make.left.equalTo(self.contentView).offset(8);
        make.right.lessThanOrEqualTo(self.contentView).offset(-8);
        make.bottom.lessThanOrEqualTo(self.contentView).offset(-8).priority(750);
        // 移除 height 的硬性约束，让它根据内容自适应
    }];
    
    [_liveLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.top.bottom.equalTo(infoContainerView);
    }];
    
    [_protocolLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(_liveLabel.mas_right).offset(8);
        make.centerY.equalTo(_liveLabel);
        make.height.equalTo(@16);
        make.width.greaterThanOrEqualTo(@40);
        make.right.lessThanOrEqualTo(infoContainerView);
    }];
}

- (void)configureWithModel:(AVLiveStreamModel *)model {
    // 设置流名称
    _nameLabel.text = model.displayName;
    
    // 设置时长
    _durationLabel.text = model.durationString;
    
    // 设置协议标签
    _protocolLabel.text = model.play_protocol.uppercaseString;
    
    // 使用 SDWebImage 加载预览图
    if (model.preview_image.length > 0) {
        NSURL *imageURL = [NSURL URLWithString:model.preview_image];
        
        [_thumbnailView sd_setImageWithURL:imageURL];
    } else {
        // 没有预览图，清空图片
        _thumbnailView.image = nil;
    }
}

- (void)prepareForReuse {
    [super prepareForReuse];
    
    // 取消之前的图片加载任务
    [_thumbnailView sd_cancelCurrentImageLoad];
    
    // 清空数据，防止复用时显示错误内容
    _thumbnailView.image = nil;
    _nameLabel.text = @"";
    _durationLabel.text = @"";
    _protocolLabel.text = @"";
}

@end