featherVoice/QXLive/Room(房间)/View/礼物特效/QXEffectSvgaView.m

//
//  QXEffectSvgaView.m
//  SoundRiver
//
//  Created by 段智博 on 2020/10/26.
//

#import "QXEffectSvgaView.h"
#import <SVGA.h>

@interface QXEffectSvgaView ()<SVGAPlayerDelegate>
//播放动画
@property (nonatomic,strong) SVGAPlayer     *player;
@property (nonatomic,strong) SVGAParser     *parser;

@property (nonatomic,assign) BOOL           isAutoPlay;

@end

@implementation QXEffectSvgaView

- (instancetype)initWithFrame:(CGRect)frame isAutoPlay:(BOOL)isAutoPlay {
    self = [super initWithFrame:frame];
    if (self) {
        [self initalizeData];
        self.isAutoPlay = isAutoPlay;
    }
    return self;
}

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

- (void)initalizeData {
    self.backgroundColor = [UIColor clearColor];
    self.userInteractionEnabled = NO;
    self.isAutoPlay = YES;
    [self initPlayer];
}

- (void)initPlayer {
    [self addSubview:self.player];
    [self.player mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(self);
    }];
}

- (void)loadSVGAPlayerWith:(NSString *)loadPath {
    [self loadSVGAPlayerWith:loadPath inBundle:NO];
}

- (void)loadSVGAPlayerWith:(NSString *)loadPath inBundle:(BOOL)inBundle {
    [self loadSVGAPlayerWith:loadPath inBundle:inBundle loop:1];
}

- (void)loadSVGAPlayerWith:(NSString *)loadPath inBundle:(BOOL)inBundle loop:(int)loop {
    if (![loadPath isExist]) {
        return;
    }
    if (!_player) {
        [self initPlayer];
    }
    [self stopEffectSvgaPlay];
    
    self.player.loops = loop;
    
    __weak typeof(self)weakSelf = self;
    if ([loadPath hasPrefix:@"https:"] || [loadPath hasPrefix:@"http:"]) {
        /// URL
        [self.parser parseWithURL:[NSURL URLWithString:loadPath] completionBlock:^(SVGAVideoEntity * _Nullable videoItem) {
            if (videoItem != nil) {
                weakSelf.player.videoItem = videoItem;
                if (weakSelf.isAutoPlay) {
                    [weakSelf.player startAnimation];
                    if (weakSelf.didStartAnimation) {
                        weakSelf.didStartAnimation();
                    }
                }
            }
        } failureBlock:^(NSError * _Nullable error) {
            if (weakSelf.didFinishedDisplay) {
                weakSelf.didFinishedDisplay(weakSelf);
            }
        }];
    }else if (inBundle) {
        [self.parser parseWithNamed:loadPath inBundle:[NSBundle mainBundle] completionBlock:^(SVGAVideoEntity * _Nonnull videoItem) {
            if (videoItem != nil) {
                weakSelf.player.videoItem = videoItem;
                if (weakSelf.isAutoPlay) {
                    [weakSelf.player startAnimation];
                    if (weakSelf.didStartAnimation) {
                        weakSelf.didStartAnimation();
                    }
                }
            }
        } failureBlock:^(NSError * _Nonnull error) {
            if (weakSelf.didFinishedDisplay) {
                weakSelf.didFinishedDisplay(weakSelf);
            }
        }];
    } else {
        NSData *data = [NSData dataWithContentsOfFile:loadPath];
        if (!data || data.length < 4) {
            if (weakSelf.didFinishedDisplay) {
                weakSelf.didFinishedDisplay(weakSelf);
            }
            return;
        }
        [self.parser parseWithData:data cacheKey:loadPath completionBlock:^(SVGAVideoEntity * _Nonnull videoItem) {
            if (videoItem != nil) {
                weakSelf.player.videoItem = videoItem;
                if (weakSelf.isAutoPlay) {
                    [weakSelf.player startAnimation];
                    if (weakSelf.didStartAnimation) {
                        weakSelf.didStartAnimation();
                    }
                }
            }
        } failureBlock:^(NSError * _Nonnull error) {
            if (weakSelf.didFinishedDisplay) {
                weakSelf.didFinishedDisplay(weakSelf);
            }
        }];
    }
}


#pragma mark - Public
- (void)startEffectSvgaPlay {
    if (self.player.videoItem) {
        [self.player startAnimation];
    }
}
- (void)pauseEffectSvgaPlay {
    [self.player pauseAnimation];
}
- (void)stopEffectSvgaPlay {
    [self.player stopAnimation];
}

- (void)destroySvga {
    [self.player stopAnimation];
    [self.player removeFromSuperview];
    _player = nil;
    _parser = nil;
}

#pragma mark - SVGAPlayerDelegate
- (void)svgaPlayerDidFinishedAnimation:(SVGAPlayer *)player {
    [self.player stopAnimation];
    if (self.didFinishedDisplay) {
        self.didFinishedDisplay(self);
    }
}

#pragma mark - Getter
// 动画
- (SVGAPlayer *)player {
    if (!_player) {
        _player = [[SVGAPlayer alloc] initWithFrame:CGRectZero];
        _player.backgroundColor = [UIColor clearColor];
        _player.contentMode = UIViewContentModeScaleAspectFill;
//        _player.contentMode = UIViewContentModeScaleAspectFit;
        _player.clipsToBounds = YES;
        _player.delegate = self;
        _player.clearsAfterStop = YES;
    }
    return _player;
}

- (SVGAParser *)parser {
    if (!_parser) {
        _parser = [[SVGAParser alloc] init];
    }
    return _parser;
}

@end