#鸿蒙通关秘籍#如何为鸿蒙视频播放器添加暂停和播放功能？

import media from '@ohos.multimedia.media'

export class VideoAVPlayerClass {
  static player: media.AVPlayer | null = null
  static duration: number = 0
  static time: number = 0
  static isPlay: boolean = false
  static playList: videoItemType[] = []
  static playIndex: number = 0
  static surfaceId: string = ''

  static pause() {
    VideoAVPlayerClass.avPlayer.pause()
    VideoAVPlayerClass.isPlay = false
    VideoAVPlayerClass.updateState()
  }

  static async play() {
    VideoAVPlayerClass.avPlayer.play()
    VideoAVPlayerClass.isPlay = true
    VideoAVPlayerClass.updateState()
  }

  static async updateState() {
    const data = {
      playState: JSON.stringify({
        duration: VideoAVPlayerClass.duration,
        time: VideoAVPlayerClass.time,
        isPlay: VideoAVPlayerClass.isPlay,
        playIndex: VideoAVPlayerClass.playIndex,
        playList: VideoAVPlayerClass.playList,
      })
    }
    emitter.emit({
      eventId: EmitEventType.UPDATE_STATE
    }, {
      data
    })
  }
}
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