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import debug from 'debug'
import videojs from 'video.js'
import { logger } from '@root-helpers/logger'
import { PeerTubeMobileButtons } from './peertube-mobile-buttons'
const debugLogger = debug('peertube:player:mobile')
const Plugin = videojs.getPlugin('plugin')
class PeerTubeMobilePlugin extends Plugin {
private static readonly DOUBLE_TAP_DELAY_MS = 250
private static readonly SET_CURRENT_TIME_DELAY = 1000
private peerTubeMobileButtons: PeerTubeMobileButtons
private seekAmount = 0
private lastTapEvent: TouchEvent
private tapTimeout: ReturnType<typeof setTimeout>
private newActiveState: boolean
private setCurrentTimeTimeout: ReturnType<typeof setTimeout>
constructor (player: videojs.Player, options: videojs.PlayerOptions) {
super(player, options)
this.peerTubeMobileButtons = player.addChild('PeerTubeMobileButtons', { reportTouchActivity: false }) as PeerTubeMobileButtons
if (videojs.browser.IS_ANDROID && screen.orientation) {
this.handleFullscreenRotation()
}
if (!this.player.options_.userActions) this.player.options_.userActions = {};
// FIXME: typings
(this.player.options_.userActions as any).click = false
this.player.options_.userActions.doubleClick = false
this.player.one('play', () => {
this.initTouchStartEvents()
})
}
private handleFullscreenRotation () {
this.player.on('fullscreenchange', () => {
if (!this.player.isFullscreen() || this.isPortraitVideo()) return
screen.orientation.lock('landscape')
.catch(err => logger.error('Cannot lock screen to landscape.', err))
})
}
private isPortraitVideo () {
return this.player.videoWidth() < this.player.videoHeight()
}
private initTouchStartEvents () {
const handleTouchStart = (event: TouchEvent) => {
if (this.tapTimeout) {
clearTimeout(this.tapTimeout)
this.tapTimeout = undefined
}
if (this.lastTapEvent && event.timeStamp - this.lastTapEvent.timeStamp < PeerTubeMobilePlugin.DOUBLE_TAP_DELAY_MS) {
debugLogger('Detected double tap')
this.lastTapEvent = undefined
this.onDoubleTap(event)
return
}
this.newActiveState = !this.player.userActive()
this.tapTimeout = setTimeout(() => {
debugLogger('No double tap detected, set user active state to %s.', this.newActiveState)
this.player.userActive(this.newActiveState)
}, PeerTubeMobilePlugin.DOUBLE_TAP_DELAY_MS)
this.lastTapEvent = event
}
this.player.on('touchstart', (event: TouchEvent) => {
// Only enable user active on player touch, we listen event on peertube mobile buttons to disable it
if (this.player.userActive()) return
handleTouchStart(event)
})
this.peerTubeMobileButtons.el().addEventListener('touchstart', (event: TouchEvent) => {
// Prevent mousemove/click events firing on the player, that conflict with our user active logic
event.preventDefault()
handleTouchStart(event)
}, { passive: false })
}
private onDoubleTap (event: TouchEvent) {
const playerWidth = this.player.currentWidth()
const rect = this.findPlayerTarget((event.target as HTMLElement)).getBoundingClientRect()
const offsetX = event.targetTouches[0].pageX - rect.left
debugLogger('Calculating double tap zone (player width: %d, offset X: %d)', playerWidth, offsetX)
if (offsetX > 0.66 * playerWidth) {
if (this.seekAmount < 0) this.seekAmount = 0
this.seekAmount += 10
debugLogger('Will forward %d seconds', this.seekAmount)
} else if (offsetX < 0.33 * playerWidth) {
if (this.seekAmount > 0) this.seekAmount = 0
this.seekAmount -= 10
debugLogger('Will rewind %d seconds', this.seekAmount)
}
this.peerTubeMobileButtons.displayFastSeek(this.seekAmount)
this.scheduleSetCurrentTime()
}
private findPlayerTarget (target: HTMLElement): HTMLElement {
if (target.classList.contains('video-js')) return target
return this.findPlayerTarget(target.parentElement)
}
private scheduleSetCurrentTime () {
this.player.pause()
this.player.addClass('vjs-fast-seeking')
if (this.setCurrentTimeTimeout) clearTimeout(this.setCurrentTimeTimeout)
this.setCurrentTimeTimeout = setTimeout(() => {
let newTime = this.player.currentTime() + this.seekAmount
this.seekAmount = 0
newTime = Math.max(0, newTime)
newTime = Math.min(this.player.duration(), newTime)
this.player.currentTime(newTime)
this.seekAmount = 0
this.peerTubeMobileButtons.displayFastSeek(0)
this.player.removeClass('vjs-fast-seeking')
this.player.userActive(false)
this.player.play()
}, PeerTubeMobilePlugin.SET_CURRENT_TIME_DELAY)
}
}
videojs.registerPlugin('peertubeMobile', PeerTubeMobilePlugin)
export { PeerTubeMobilePlugin }
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