import React from 'react'; import PropTypes from 'prop-types'; import { defineMessages, injectIntl, FormattedMessage } from 'react-intl'; import { throttle } from 'lodash'; import classNames from 'classnames'; import { isFullscreen, requestFullscreen, exitFullscreen } from '../ui/util/fullscreen'; import { displaySensitiveMedia } from '../../initial_state'; const messages = defineMessages({ play: { id: 'video.play', defaultMessage: 'Play' }, pause: { id: 'video.pause', defaultMessage: 'Pause' }, mute: { id: 'video.mute', defaultMessage: 'Mute sound' }, unmute: { id: 'video.unmute', defaultMessage: 'Unmute sound' }, hide: { id: 'video.hide', defaultMessage: 'Hide video' }, expand: { id: 'video.expand', defaultMessage: 'Expand video' }, close: { id: 'video.close', defaultMessage: 'Close video' }, fullscreen: { id: 'video.fullscreen', defaultMessage: 'Full screen' }, exit_fullscreen: { id: 'video.exit_fullscreen', defaultMessage: 'Exit full screen' }, }); const formatTime = secondsNum => { let hours = Math.floor(secondsNum / 3600); let minutes = Math.floor((secondsNum - (hours * 3600)) / 60); let seconds = secondsNum - (hours * 3600) - (minutes * 60); if (hours < 10) hours = '0' + hours; if (minutes < 10) minutes = '0' + minutes; if (seconds < 10) seconds = '0' + seconds; return (hours === '00' ? '' : `${hours}:`) + `${minutes}:${seconds}`; }; export const findElementPosition = el => { let box; if (el.getBoundingClientRect && el.parentNode) { box = el.getBoundingClientRect(); } if (!box) { return { left: 0, top: 0, }; } const docEl = document.documentElement; const body = document.body; const clientLeft = docEl.clientLeft || body.clientLeft || 0; const scrollLeft = window.pageXOffset || body.scrollLeft; const left = (box.left + scrollLeft) - clientLeft; const clientTop = docEl.clientTop || body.clientTop || 0; const scrollTop = window.pageYOffset || body.scrollTop; const top = (box.top + scrollTop) - clientTop; return { left: Math.round(left), top: Math.round(top), }; }; export const getPointerPosition = (el, event) => { const position = {}; const box = findElementPosition(el); const boxW = el.offsetWidth; const boxH = el.offsetHeight; const boxY = box.top; const boxX = box.left; let pageY = event.pageY; let pageX = event.pageX; if (event.changedTouches) { pageX = event.changedTouches[0].pageX; pageY = event.changedTouches[0].pageY; } position.y = Math.max(0, Math.min(1, (pageY - boxY) / boxH)); position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW)); return position; }; @injectIntl export default class Video extends React.PureComponent { static propTypes = { preview: PropTypes.string, src: PropTypes.string.isRequired, alt: PropTypes.string, width: PropTypes.number, height: PropTypes.number, sensitive: PropTypes.bool, startTime: PropTypes.number, onOpenVideo: PropTypes.func, onCloseVideo: PropTypes.func, detailed: PropTypes.bool, intl: PropTypes.object.isRequired, }; state = { currentTime: 0, duration: 0, paused: true, dragging: false, fullscreen: false, hovered: false, muted: false, revealed: !this.props.sensitive || displaySensitiveMedia, }; setPlayerRef = c => { this.player = c; } setVideoRef = c => { this.video = c; } setSeekRef = c => { this.seek = c; } handlePlay = () => { this.setState({ paused: false }); } handlePause = () => { this.setState({ paused: true }); } handleTimeUpdate = () => { this.setState({ currentTime: Math.floor(this.video.currentTime), duration: Math.floor(this.video.duration), }); } handleMouseDown = e => { document.addEventListener('mousemove', this.handleMouseMove, true); document.addEventListener('mouseup', this.handleMouseUp, true); document.addEventListener('touchmove', this.handleMouseMove, true); document.addEventListener('touchend', this.handleMouseUp, true); this.setState({ dragging: true }); this.video.pause(); this.handleMouseMove(e); } handleMouseUp = () => { document.removeEventListener('mousemove', this.handleMouseMove, true); document.removeEventListener('mouseup', this.handleMouseUp, true); document.removeEventListener('touchmove', this.handleMouseMove, true); document.removeEventListener('touchend', this.handleMouseUp, true); this.setState({ dragging: false }); this.video.play(); } handleMouseMove = throttle(e => { const { x } = getPointerPosition(this.seek, e); const currentTime = Math.floor(this.video.duration * x); this.video.currentTime = currentTime; this.setState({ currentTime }); }, 60); togglePlay = () => { if (this.state.paused) { this.video.play(); } else { this.video.pause(); } } toggleFullscreen = () => { if (isFullscreen()) { exitFullscreen(); } else { requestFullscreen(this.player); } } componentDidMount () { document.addEventListener('fullscreenchange', this.handleFullscreenChange, true); document.addEventListener('webkitfullscreenchange', this.handleFullscreenChange, true); document.addEventListener('mozfullscreenchange', this.handleFullscreenChange, true); document.addEventListener('MSFullscreenChange', this.handleFullscreenChange, true); } componentWillUnmount () { document.removeEventListener('fullscreenchange', this.handleFullscreenChange, true); document.removeEventListener('webkitfullscreenchange', this.handleFullscreenChange, true); document.removeEventListener('mozfullscreenchange', this.handleFullscreenChange, true); document.removeEventListener('MSFullscreenChange', this.handleFullscreenChange, true); } handleFullscreenChange = () => { this.setState({ fullscreen: isFullscreen() }); } handleMouseEnter = () => { this.setState({ hovered: true }); } handleMouseLeave = () => { this.setState({ hovered: false }); } toggleMute = () => { this.video.muted = !this.video.muted; this.setState({ muted: this.video.muted }); } toggleReveal = () => { if (this.state.revealed) { this.video.pause(); } this.setState({ revealed: !this.state.revealed }); } handleLoadedData = () => { if (this.props.startTime) { this.video.currentTime = this.props.startTime; this.video.play(); } } handleProgress = () => { if (this.video.buffered.length > 0) { this.setState({ buffer: this.video.buffered.end(0) / this.video.duration * 100 }); } } handleOpenVideo = () => { this.video.pause(); this.props.onOpenVideo(this.video.currentTime); } handleCloseVideo = () => { this.video.pause(); this.props.onCloseVideo(); } render () { const { preview, src, width, height, startTime, onOpenVideo, onCloseVideo, intl, alt, detailed } = this.props; const { currentTime, duration, buffer, dragging, paused, fullscreen, hovered, muted, revealed } = this.state; const progress = (currentTime / duration) * 100; return ( <div className={classNames('video-player', { inactive: !revealed, detailed, inline: width && height && !fullscreen, fullscreen })} style={{ width, height }} ref={this.setPlayerRef} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}> <video ref={this.setVideoRef} src={src} poster={preview} preload={startTime ? 'auto' : 'none'} loop role='button' tabIndex='0' aria-label={alt} width={width} height={height} onClick={this.togglePlay} onPlay={this.handlePlay} onPause={this.handlePause} onTimeUpdate={this.handleTimeUpdate} onLoadedData={this.handleLoadedData} onProgress={this.handleProgress} /> <button type='button' className={classNames('video-player__spoiler', { active: !revealed })} onClick={this.toggleReveal}> <span className='video-player__spoiler__title'><FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' /></span> <span className='video-player__spoiler__subtitle'><FormattedMessage id='status.sensitive_toggle' defaultMessage='Click to view' /></span> </button> <div className={classNames('video-player__controls', { active: paused || hovered })}> <div className='video-player__seek' onMouseDown={this.handleMouseDown} ref={this.setSeekRef}> <div className='video-player__seek__buffer' style={{ width: `${buffer}%` }} /> <div className='video-player__seek__progress' style={{ width: `${progress}%` }} /> <span className={classNames('video-player__seek__handle', { active: dragging })} tabIndex='0' style={{ left: `${progress}%` }} /> </div> <div className='video-player__buttons-bar'> <div className='video-player__buttons left'> <button type='button' aria-label={intl.formatMessage(paused ? messages.play : messages.pause)} onClick={this.togglePlay}><i className={classNames('fa fa-fw', { 'fa-play': paused, 'fa-pause': !paused })} /></button> <button type='button' aria-label={intl.formatMessage(muted ? messages.unmute : messages.mute)} onClick={this.toggleMute}><i className={classNames('fa fa-fw', { 'fa-volume-off': muted, 'fa-volume-up': !muted })} /></button> {!onCloseVideo && <button type='button' aria-label={intl.formatMessage(messages.hide)} onClick={this.toggleReveal}><i className='fa fa-fw fa-eye' /></button>} {(detailed || fullscreen) && <span> <span className='video-player__time-current'>{formatTime(currentTime)}</span> <span className='video-player__time-sep'>/</span> <span className='video-player__time-total'>{formatTime(duration)}</span> </span> } </div> <div className='video-player__buttons right'> {(!fullscreen && onOpenVideo) && <button type='button' aria-label={intl.formatMessage(messages.expand)} onClick={this.handleOpenVideo}><i className='fa fa-fw fa-expand' /></button>} {onCloseVideo && <button type='button' aria-label={intl.formatMessage(messages.close)} onClick={this.handleCloseVideo}><i className='fa fa-fw fa-compress' /></button>} <button type='button' aria-label={intl.formatMessage(fullscreen ? messages.exit_fullscreen : messages.fullscreen)} onClick={this.toggleFullscreen}><i className={classNames('fa fa-fw', { 'fa-arrows-alt': !fullscreen, 'fa-compress': fullscreen })} /></button> </div> </div> </div> </div> ); } }