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path: root/animism-align/frontend/app/views/audio/audio.actions.js
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import * as types from 'app/types'
import { store, history, dispatch } from 'app/store'
import actions from 'app/actions'
import { session } from 'app/session'

const audioPlayer = document.createElement('audio')
audioPlayer.volume = 0.0
audioPlayer.src = '/static/data_store/peaks/animismA080720.mp3'
audioPlayer.addEventListener('loadedmetadata', () => {
  // console.log('audio duration:', audioPlayer.duration)
  dispatch({ type: types.align.set_display_setting, key: 'duration', value: audioPlayer.duration })
})
audioPlayer.addEventListener('play', () => {
  dispatch({ type: types.audio.play })
})
audioPlayer.addEventListener('pause', () => {
  dispatch({ type: types.audio.pause })
})
audioPlayer.addEventListener('timeupdate', () => {
  dispatch({ type: types.audio.update_time, play_ts: audioPlayer.currentTime })
})

export const play = () => dispatch => {
  audioPlayer.play()
}
export const pause = () => dispatch => {
  audioPlayer.pause()
}
export const seek = play_ts => dispatch => {
  audioPlayer.currentTime = play_ts
}
export const jump = delta_ts => dispatch => {
  audioPlayer.currentTime += delta_ts
}
export const toggle = () => dispatch => {
  if (store.getState().audio.playing) {
    pause()(dispatch)
  } else {
    play()(dispatch)
  }
}
export const setVolume = volume => dispatch => {
  audioPlayer.volume = volume
  dispatch({ type: types.audio.set_volume, volume })
}