File size: 4,295 Bytes
1e92f2d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
import { useRef, useMemo, useEffect, DependencyList } from 'react';
import useMandatoryUpdate from '@/utils/useMandatoryUpdate';
import { defaultVolume } from '@/core/config';
import { parVoid, videoAttributes, videoMethod } from 'types';
export interface useVideoType extends videoAttributes {
  handleChangePlayState: () => void;
  videoAttributes: videoAttributes;
  videoMethod: videoMethod;
}

export const useVideo = (props: any, dep: DependencyList = []) => {
  const { videoElement } = props;

  const forceUpdate = useMandatoryUpdate();

  const videoParameter = useRef<videoAttributes>({
    isPlay: false,
    currentTime: 0,
    duration: 0,
    bufferedTime: 0,
    isPictureinpicture: false,
    volume: 0,
    multiple: 1.0,
    isEndEd: false,
    error: null,
  });

  const videoRef = useRef<HTMLVideoElement>(null!);

  const interval = useRef<NodeJS.Timeout | null>(null!);

  videoRef.current = videoElement;

  useEffect(() => {
    if (videoRef.current) {
      setVolume(defaultVolume);
      /**
       * @description 监听总时长
       */
      videoRef.current.addEventListener('canplay', () => {
        torture({ duration: videoRef.current.duration });
      });
      /**
       * @description 监听缓冲
       */
      videoRef.current.addEventListener('progress', () => {
        if (videoRef.current.buffered.length >= 1) {
          torture({ bufferedTime: videoRef.current.buffered.end(0) });
        }
      });
      /**
       * @description 已经进入画中画
       */
      videoRef.current.addEventListener('enterpictureinpicture', () => {
        torture({ isPictureinpicture: true });
      });
      /**
       * @description 已退出画中画模式
       */
      videoRef.current.addEventListener('leavepictureinpicture', () => {
        torture({ isPictureinpicture: false });
      });
      // 定时器用于更新当前视频时间
      interval.current = setInterval(() => {
        /**
         * 强制更新
         */
        forceUpdate();
        torture({
          // duration: videoRef.current.duration,
          currentTime: videoRef.current.currentTime,
          isPlay: videoRef.current.paused ? false : true,
          volume: videoRef.current.volume,
          multiple: videoRef.current.playbackRate,
          isEndEd: videoRef.current.ended ? true : false,
        });
      }, 1);
      videoRef.current.addEventListener('pause', pauseChange);
      videoRef.current.addEventListener('play', playChange);
      videoRef.current.addEventListener('timeupdate', timeupdate);
      videoRef.current.addEventListener('ended', endedChange);
      videoRef.current.addEventListener('error', errorChange);
    }
    return () => {
      interval.current && clearInterval(interval.current);
    };
  }, dep);

  const torture = <T extends Partial<videoAttributes>>(val: T) => {
    videoParameter.current = { ...videoParameter.current, ...val };
  };
  const pauseChange = () => {
    torture({ isPlay: videoRef.current.paused ? false : true });
  };
  const playChange = () => {
    torture({ isPlay: videoRef.current.paused ? false : true });
  };
  const timeupdate = () => {
    torture({ isPlay: videoRef.current.paused ? false : true });
  };
  const endedChange = () => {
    torture({ isEndEd: videoRef.current.ended ? true : false });
  };
  const errorChange = () => {
    torture({ error: Date.now() });
  };
  const handleChangePlayState = () => {
    if (videoParameter.current.isPlay) {
      videoRef.current.pause();
    } else {
      videoRef.current.play();
    }
  };
  const setVolume: parVoid<number> = (val) => {
    videoRef.current.volume = val < 1 ? val : val / 100;
  };
  const videoMethod = useMemo<videoMethod>(() => {
    return {
      load: () => videoRef.current.load(),
      play: () => videoRef.current.play(),
      pause: () => videoRef.current.pause(),
      setVolume,
      seek: (currentTime) => {
        videoRef.current.currentTime = currentTime;
      },
      setVideoSrc: (url) => {
        videoRef.current.src = url;
      },
    };
  }, [dep]);

  return useMemo<useVideoType>(
    () => ({
      handleChangePlayState,
      ...videoParameter.current,
      videoAttributes: videoParameter.current,
      videoMethod,
    }),
    [videoParameter.current],
  );
};