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import videojs from 'video.js'
function getMainTemplate (options: any) {
return `
<div class="vjs-upnext-top">
<span class="vjs-upnext-headtext">${options.headText}</span>
<div class="vjs-upnext-title"></div>
</div>
<div class="vjs-upnext-autoplay-icon">
<svg height="100%" version="1.1" viewbox="0 0 98 98" width="100%">
<circle class="vjs-upnext-svg-autoplay-circle" cx="49" cy="49" fill="#000" fill-opacity="0.8" r="48"></circle>
<circle class="vjs-upnext-svg-autoplay-ring" cx="-49" cy="49" fill-opacity="0" r="46.5" stroke="#FFFFFF" stroke-width="4" transform="rotate(-90)"></circle>
<polygon class="vjs-upnext-svg-autoplay-triangle" fill="#fff" points="32,27 72,49 32,71"></polygon></svg>
</div>
<span class="vjs-upnext-bottom">
<span class="vjs-upnext-cancel">
<button class="vjs-upnext-cancel-button" tabindex="0" aria-label="Cancel autoplay">${options.cancelText}</button>
</span>
<span class="vjs-upnext-suspended">${options.suspendedText}</span>
</span>
`
}
export interface EndCardOptions extends videojs.ComponentOptions {
next: Function,
getTitle: () => string
timeout: number
cancelText: string
headText: string
suspendedText: string
condition: () => boolean
suspended: () => boolean
}
const Component = videojs.getComponent('Component')
class EndCard extends Component {
options_: EndCardOptions
dashOffsetTotal = 586
dashOffsetStart = 293
interval = 50
upNextEvents = new videojs.EventTarget()
ticks = 0
totalTicks: number
container: HTMLDivElement
title: HTMLElement
autoplayRing: HTMLElement
cancelButton: HTMLElement
suspendedMessage: HTMLElement
nextButton: HTMLElement
constructor (player: videojs.Player, options: EndCardOptions) {
super(player, options)
this.totalTicks = this.options_.timeout / this.interval
player.on('ended', (_: any) => {
if (!this.options_.condition()) return
player.addClass('vjs-upnext--showing')
this.showCard((canceled: boolean) => {
player.removeClass('vjs-upnext--showing')
this.container.style.display = 'none'
if (!canceled) {
this.options_.next()
}
})
})
player.on('playing', () => {
this.upNextEvents.trigger('playing')
})
}
createEl () {
const container = super.createEl('div', {
className: 'vjs-upnext-content',
innerHTML: getMainTemplate(this.options_)
}) as HTMLDivElement
this.container = container
container.style.display = 'none'
this.autoplayRing = container.getElementsByClassName('vjs-upnext-svg-autoplay-ring')[0] as HTMLElement
this.title = container.getElementsByClassName('vjs-upnext-title')[0] as HTMLElement
this.cancelButton = container.getElementsByClassName('vjs-upnext-cancel-button')[0] as HTMLElement
this.suspendedMessage = container.getElementsByClassName('vjs-upnext-suspended')[0] as HTMLElement
this.nextButton = container.getElementsByClassName('vjs-upnext-autoplay-icon')[0] as HTMLElement
this.cancelButton.onclick = () => {
this.upNextEvents.trigger('cancel')
}
this.nextButton.onclick = () => {
this.upNextEvents.trigger('next')
}
return container
}
showCard (cb: Function) {
let timeout: any
this.autoplayRing.setAttribute('stroke-dasharray', '' + this.dashOffsetStart)
this.autoplayRing.setAttribute('stroke-dashoffset', '' + -this.dashOffsetStart)
this.title.innerHTML = this.options_.getTitle()
this.upNextEvents.one('cancel', () => {
clearTimeout(timeout)
cb(true)
})
this.upNextEvents.one('playing', () => {
clearTimeout(timeout)
cb(true)
})
this.upNextEvents.one('next', () => {
clearTimeout(timeout)
cb(false)
})
const goToPercent = (percent: number) => {
const newOffset = Math.max(-this.dashOffsetTotal, - this.dashOffsetStart - percent * this.dashOffsetTotal / 2 / 100)
this.autoplayRing.setAttribute('stroke-dashoffset', '' + newOffset)
}
const tick = () => {
goToPercent((this.ticks++) * 100 / this.totalTicks)
}
const update = () => {
if (this.options_.suspended()) {
this.suspendedMessage.innerText = this.options_.suspendedText
goToPercent(0)
this.ticks = 0
timeout = setTimeout(update.bind(this), 300) // checks once supsended can be a bit longer
} else if (this.ticks >= this.totalTicks) {
clearTimeout(timeout)
cb(false)
} else {
this.suspendedMessage.innerText = ''
tick()
timeout = setTimeout(update.bind(this), this.interval)
}
}
this.container.style.display = 'block'
timeout = setTimeout(update.bind(this), this.interval)
}
}
videojs.registerComponent('EndCard', EndCard)
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