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import React, { Component } from 'react'
import { connect } from 'react-redux'
import { SUBTITLES_OVERLAY } from '../subtitles.js'
import './overlay.css'
const TITLE_SHOW_DELAY = 3000
const TITLE_HIDE_DELAY = 10000
const SUBTITLE_DELAY = 2500
const LAST_SUBTITLE_DELAY = 5000
class SubtitlesOverlay extends Component {
state = {
content: null,
}
constructor(props) {
super(props)
this.titleRef = React.createRef()
this.subtitleRef = React.createRef()
this.toggle = this.toggle.bind(this)
this.showTitle = this.showTitle.bind(this)
this.nextSubtitle = this.nextSubtitle.bind(this)
}
componentDidMount() {
this.load()
}
componentDidUpdate(prevProps) {
// console.log(this.props.location.pathname, prevProps.location.pathname)
if (this.props.location.pathname !== prevProps.location.pathname) {
this.load()
}
if (
this.props.popups !== prevProps.popups
&& this.state.content
&& this.state.content.popup
&& this.props.popups[this.state.content.popup]
) {
this.startSubtitles()
}
}
load() {
const { page_name } = this.props.match.params
clearTimeout(this.titleTimeout)
clearTimeout(this.subtitleTimeout)
this.props.audio.player.stop("text-overlay")
if (SUBTITLES[page_name]) {
this.setState({
content: SUBTITLES[page_name],
open: false,
})
setTimeout(this.showTitle, 0)
} else {
this.setState({
content: null,
open: false,
})
}
}
showTitle() {
if (!this.titleRef.current) return
this.titleRef.current.style.opacity = 0
this.titleTimeout = setTimeout(() => {
this.titleRef.current.style.opacity = 1
this.titleTimeout = setTimeout(() => {
this.titleRef.current.style.opacity = 0
}, TITLE_HIDE_DELAY)
}, TITLE_SHOW_DELAY)
}
startSubtitles() {
if (this.state.content.audio_url) {
this.props.audio.player.stop("text-overlay")
this.props.audio.player.playURL({
id: "text-overlay",
url: this.state.content.audio_url,
})
}
clearTimeout(this.subtitleTimeout)
this.index = -1
this.nextSubtitle()
}
nextSubtitle() {
if (!this.subtitleRef.current) return
this.index += 1
const subtitle = this.state.content.subtitles[this.index] || ""
this.subtitleRef.current.innerHTML = subtitle
if (this.index === (this.state.content.subtitles.length - 1)) {
this.subtitleTimeout = setTimeout(this.nextSubtitle, LAST_SUBTITLE_DELAY)
}
else if (subtitle.length) {
this.subtitleTimeout = setTimeout(this.nextSubtitle, SUBTITLE_DELAY)
}
}
render() {
const { content } = this.state
const { popups, interactive } = this.props
if (!interactive || !content) return null
if (content.popup && !popups[content.popup]) return null
return (
<div>
<div
ref={this.titleRef}
className="chapter-title"
dangerouslySetInnerHTML={{ __html: content.title }}
/>
<div
ref={this.subtitleRef}
className="subtitles"
/>
</div>
)
}
}
const mapStateToProps = state => ({
audio: state.audio,
popups: state.site.popups,
interactive: state.site.interactive,
})
export default connect(mapStateToProps)(SubtitlesOverlay)
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