lesson-course-play/src/views/coursewarePlay/component/video-play.tsx

import {
  defineComponent,
  nextTick,
  onMounted,
  reactive,
  toRefs,
  watch
} from 'vue';
import { ref } from 'vue';
import styles from './video.module.less';

// import iconLoop from '../image/icon-loop.svg';
// import iconLoopActive from '../image/icon-loop-active.svg';
// import iconplay from '../image/icon-play.svg';
// import iconpause from '../image/icon-pause.svg';

import {
  // iconVideoBg,
  iconLoop,
  iconLoopActive,
  iconPlay,
  iconPause,
  iconSpeed
} from '../image/icons.json';

import TCPlayer from 'tcplayer.js';
import 'tcplayer.js/dist/tcplayer.min.css';
import { Slider } from 'vant';

// 秒转分
export const getSecondRPM = (second: number, type?: string) => {
  if (isNaN(second)) return '00:00';
  const mm = Math.floor(second / 60)
    .toString()
    .padStart(2, '0');
  const dd = Math.floor(second % 60)
    .toString()
    .padStart(2, '0');
  if (type === 'cn') {
    return mm + '分' + dd + '秒';
  } else {
    return mm + ':' + dd;
  }
};

export default defineComponent({
  name: 'video-play',
  props: {
    item: {
      type: Object,
      default: () => {
        return {};
      }
    },
    isEmtry: {
      type: Boolean,
      default: false
    },
    isActive: {
      type: Boolean,
      default: false
    },
    activeModel: {
      type: Boolean,
      default: true
    }
  },
  emits: [
    'loadedmetadata',
    'togglePlay',
    'ended',
    'reset',
    'error',
    'close',
    'play',
    'pause',
    'seeked',
    'seeking',
    'waiting',
    'timeupdate'
  ],
  setup(props, { emit, expose }) {
    const { item } = toRefs(props);
    const data = reactive({
      timer: null as any,
      currentTime: 0,
      duration: 0.1,
      loop: false,
      playState: 'pause' as 'play' | 'pause',
      vudio: null as any,
      showBar: true,
      speedControl: false,
      speedStyle: {
        left: '1px'
      },
      defaultSpeed: 1 // 默认速度
    });
    const speedBtnId = 'speed' + Date.now() + Math.floor(Math.random() * 100);

    // const forms = reactive({
    //   subjectIds: [],
    //   orgainIds: []
    // });
    const videoRef = ref();
    const videoItem = ref();
    const videoID = 'video' + Date.now() + Math.floor(Math.random() * 100);
    const toggleHideControl = (isShow: boolean) => {
      data.speedControl = false;
      data.showBar = isShow;
    };
    // const togglePlay = (e: Event) => {
    //   e.stopPropagation()

    // }
    let playTimer = null as any;
    // 切换音频播放
    const onToggleAudio = (state: 'play' | 'pause') => {
      // console.log(state, 'state')
      data.speedControl = false;
      clearTimeout(playTimer);
      if (state === 'play') {
        playTimer = setTimeout(() => {
          videoItem.value?.play();
          data.playState = 'play';
        }, 100);
      } else {
        videoItem.value?.pause();
        data.playState = 'pause';
      }

      emit('togglePlay', data.playState);
    };
    const toggleLoop = () => {
      data.speedControl = false;
      if (!videoItem.value) return;
      if (data.loop) {
        videoItem.value.loop(false);
      } else {
        videoItem.value.loop(true);
      }
      data.loop = !data.loop;
    };
    const changePlayBtn = (code: string) => {
      // data.speedControl = false;
      if (code == 'play') {
        data.playState = 'play';
      } else {
        data.playState = 'pause';
      }
    };

    /** 改变播放时间 */
    const handleChangeTime = (val: number) => {
      data.currentTime = val;
      clearTimeout(data.timer);
      data.timer = setTimeout(() => {
        videoItem.value.currentTime(val);
        data.timer = null;
      }, 300);
    };

    const __initVideo = () => {
      if (videoItem.value && props.item.id) {
        nextTick(() => {
          videoItem.value?.currentTime(0);
        });
        videoItem.value.poster(props.item.coverImg); // 封面
        videoItem.value.src(props.item.content); // url 播放地址
        videoItem.value.playbackRate(data.defaultSpeed);
        // 初步加载时
        videoItem.value.on('loadedmetadata', () => {
          videoItem.value.playbackRate(data.defaultSpeed);

          // 获取时长
          data.duration = videoItem.value.duration();
          // 必须在当前元素

          if (item.value.autoPlay && videoItem.value && props.isActive) {
            // videoItem.value?.play()
            nextTick(() => {
              videoItem.value.currentTime(0);
              nextTick(handlePlayVideo);
            });
          }
          emit('loadedmetadata', videoItem.value);
        });

        // 视频播放时加载
        videoItem.value.on('timeupdate', () => {
          if (data.timer) return;
          data.currentTime = videoItem.value.currentTime();
          emit('timeupdate');
        });

        // 视频播放结束
        videoItem.value.on('ended', () => {
          changePlayBtn('pause');
          emit('ended');
        });

        //
        videoItem.value.on('pause', () => {
          data.playState = 'pause';
          changePlayBtn('pause');
          emit('togglePlay', true);
          emit('pause');
        });

        videoItem.value.on('seeked', () => {
          emit('seeked');
        });

        videoItem.value.on('seeking', () => {
          emit('seeking');
        });
        videoItem.value.on('waiting', () => {
          emit('waiting');
        });

        videoItem.value.on('play', () => {
          // console.log(play, 'playing')
          changePlayBtn('play');
          if (videoItem.value) {
            videoItem.value.muted(false);
            videoItem.value.volume(1);
          }
          if (
            !item.value.autoPlay &&
            !item.value.isprepare &&
            videoItem.value
          ) {
            // 加载完成后,取消静音播放
            videoItem.value.pause();
          }
          emit('togglePlay', videoItem.value?.paused);
          emit('play');
        });

        // 视频播放异常
        videoItem.value.on('error', (e: any) => {
          handleErrorVideo();
          emit('error');
          console.log(e, 'error');
        });
      }
    };

    let videoTimer = null as any;
    let videoTimerErrorCount = 0;
    const handlePlayVideo = () => {
      if (videoTimerErrorCount > 5) {
        return;
      }
      clearTimeout(videoTimer);
      nextTick(() => {
        videoItem.value?.play().catch((err: any) => {
          // console.log('🚀 ~ err:', err)
          videoTimer = setTimeout(() => {
            if (err?.message?.includes('play()')) {
              emit('play');
            }
            handlePlayVideo();
          }, 1000);
        });
      });
      videoTimerErrorCount++;
    };

    let videoErrorTimer = null as any;
    let videoErrorCount = 0;
    const handleErrorVideo = () => {
      if (videoErrorCount > 5) {
        return;
      }
      clearTimeout(videoErrorTimer);
      nextTick(() => {
        videoErrorTimer = setTimeout(() => {
          videoItem.value.src = props.item?.content;
          emit('play');
          videoItem.value.load();
          // eslint-disable-next-line @typescript-eslint/no-unused-vars
          handleErrorVideo();
        }, 1000);
      });
      videoErrorCount++;
    };

    onMounted(() => {
      videoItem.value = TCPlayer(videoID, {
        appID: '',
        controls: false,
        autoplay: true
      }); // player-container-id 为播放器容器 ID，必须与 html 中一致
      __initVideo();

      document.getElementById(speedBtnId)?.addEventListener('click', e => {
        e.stopPropagation();
        data.speedControl = !data.speedControl;
      });
    });

    watch(
      () => props.activeModel,
      () => {
        toggleHideControl(props.activeModel);
      }
    );
    watch(
      () => props.item,
      () => {
        videoItem.value?.currentTime(0);
        videoItem.value?.pause();
        setTimeout(() => {
          __initVideo();
        }, 60);
      }
    );

    const getVideoRef = () => {
      return videoRef.value;
    };

    const getPlyrRef = () => {
      return videoItem.value;
    };

    expose({
      changePlayBtn,
      toggleHideControl,
      getVideoRef,
      getPlyrRef
    });

    // watch(
    //   () => props.isActive,
    //   val => {
    //     if (!val) {
    //       videoItem.value?.pause();
    //     }
    //   }
    // );

    return () => (
      <div
        class={styles.videoWrap}
        onClick={() => {
          data.speedControl = false;
        }}>
        <video
          style={{ width: '100%', height: '100%' }}
          src={item.value.content}
          ref={videoRef}
          id={videoID}
          preload="auto"
          playsinline
          webkit-playsinline></video>
        <div class={styles.videoSection}></div>

        <div
          class={[styles.controls, data.showBar ? '' : styles.hide]}
          onClick={(e: Event) => {
            e.stopPropagation();
          }}
          // onTouchmove={(e: TouchEvent) => {
          //   emit('close')
          // }}
        >
          <div class={styles.time}>
            <div>{getSecondRPM(data.currentTime)}</div>
            <div>{getSecondRPM(data.duration)}</div>
          </div>
          <div class={styles.slider}>
            <Slider
              step={0.01}
              class={styles.timeProgress}
              v-model={data.currentTime}
              max={data.duration}
              onUpdate:modelValue={val => {
                handleChangeTime(val);
              }}
            />
          </div>
          <div class={styles.actionSection}>
            <div class={styles.actions} onClick={() => emit('close')}>
              <div
                class={styles.actionBtn}
                onClick={(e: any) => {
                  e.stopPropagation();
                  onToggleAudio(data.playState === 'pause' ? 'play' : 'pause');
                }}>
                <img src={data.playState === 'pause' ? iconPlay : iconPause} />
              </div>
              <div class={styles.actionBtn} onClick={toggleLoop}>
                <img src={data.loop ? iconLoopActive : iconLoop} />
              </div>
              <div class={styles.actionBtn} id={speedBtnId}>
                <img src={iconSpeed} />
              </div>
            </div>
            <div class={styles.name}>{item.value.name}</div>
          </div>
        </div>

        <div
          style={{
            display: data.speedControl ? 'block' : 'none'
          }}>
          <div
            class={styles.sliderPopup}
            onClick={(e: Event) => {
              e.stopPropagation();
            }}>
            <i
              class={styles.iconAdd}
              onClick={() => {
                if (data.defaultSpeed >= 1.5) {
                  return;
                }

                if (videoItem.value) {
                  data.defaultSpeed = (data.defaultSpeed * 10 + 1) / 10;
                  videoItem.value.playbackRate(data.defaultSpeed);
                }
              }}></i>
            <Slider
              min={0.5}
              max={1.5}
              step={0.1}
              v-model={data.defaultSpeed}
              vertical
              barHeight={5}
              reverse
              onChange={() => {
                if (videoItem.value) {
                  videoItem.value.playbackRate(data.defaultSpeed);
                }
              }}>
              {{
                button: () => (
                  <div class={styles.sliderPoint}>
                    {data.defaultSpeed}
                    <span>x</span>
                  </div>
                )
              }}
            </Slider>
            <i
              class={[styles.iconCut]}
              onClick={() => {
                if (data.defaultSpeed <= 0.5) {
                  return;
                }
                if (videoItem.value) {
                  data.defaultSpeed = (data.defaultSpeed * 10 - 1) / 10;
                  videoItem.value.playbackRate(data.defaultSpeed);
                }
              }}></i>
          </div>
        </div>
      </div>
    );
  }
});