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import { history } from 'site/store'
export default class AudioPlayer {
files = {}
players = {}
current_background_id = 0
constructor() {
this.done = this.done.bind(this)
}
load(graph) {
this.files = graph.uploads
.filter(upload => upload.tag === 'audio')
.reduce((accumulator, item) => {
accumulator[item.id] = item
return accumulator
}, {})
}
has(id) {
return (
(id > 0) &&
(id in this.files)
)
}
stop(id) {
if (this.players[id]) {
this.players[id].type = "done"
this.players[id].stop()
}
}
done(id) {
// console.log('remove', id)
delete this.players[id]
}
playPage(page) {
const { background_audio_id, restart_audio, stop_all_sounds } = page.settings
// console.log('playPage', page)
if (stop_all_sounds) {
Object.keys(this.players).forEach(id => this.stop(id))
} else if (
this.current_background_id
&& this.current_background_id !== background_audio_id
&& this.current_background_id in this.players
) {
this.players[this.current_background_id].stop()
}
if (this.has(background_audio_id)) {
this.current_background_id = background_audio_id
this.playFile({
id: background_audio_id,
type: 'background',
restart: !!restart_audio,
})
}
}
playTile({ tile, type }) {
let id = type === 'click'
? tile.settings.audio_on_click_id
: type === 'hover'
? tile.settings.audio_on_hover_id
: null
if (this.has(id)) {
this.playFile({ id, tile, type })
}
}
playFile({ id, tile, type, restart, loop }) {
const item = this.files[id]
if (id in this.players) {
if (restart) {
this.players[id].restart()
}
if (tile && !this.players[id].tile) {
this.players[id].tile = tile
this.players[id].type = type
}
return this.players[id]
} else {
this.players[id] = new Player({
item,
tile,
type,
done: this.done
})
this.players[id].play()
return this.players[id]
}
}
playURL({ id, url }) {
this.players[id] = new Player({
item: { id, url },
tile: { settings: {} },
type: "url",
done: this.done
})
this.players[id].play()
return this.players[id]
}
}
class Player {
constructor({ item, tile, type, done }) {
this.item = item
this.tile = tile
this.type = type
this.done = done
this.audio = document.createElement('audio')
this.handleEnded = this.handleEnded.bind(this)
this.handleError = this.handleError.bind(this)
this.release = this.release.bind(this)
this.audio.addEventListener('ended', this.handleEnded)
this.audio.addEventListener('error', this.handleError)
this.audio.src = item.url
}
release() {
if (this.type === 'click' && this.tile && this.tile.settings.navigate_when_audio_finishes) {
history.push(this.tile.href)
}
this.audio.removeEventListener('ended', this.handleEnded)
this.audio.removeEventListener('error', this.handleError)
this.done(this.item.id)
this.item = null
this.done = null
this.audio = null
}
handleError(error) {
console.error(error)
this.release()
}
handleEnded() {
if (this.type === 'background') {
this.restart()
} else {
this.release()
}
}
play() {
this.audio.play()
}
restart() {
this.audio.currentTime = 0
this.audio.play()
}
stop() {
this.audio.pause()
this.release()
}
}
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