diff options
Diffstat (limited to 'app/javascript/flavours/glitch/features/video/index.js')
| -rw-r--r-- | app/javascript/flavours/glitch/features/video/index.js | 672 |
1 files changed, 672 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/features/video/index.js b/app/javascript/flavours/glitch/features/video/index.js new file mode 100644 index 000000000..cb4655f7f --- /dev/null +++ b/app/javascript/flavours/glitch/features/video/index.js @@ -0,0 +1,672 @@ +import React from 'react'; +import PropTypes from 'prop-types'; +import { defineMessages, injectIntl, FormattedMessage } from 'react-intl'; +import { is } from 'immutable'; +import { throttle, debounce } from 'lodash'; +import classNames from 'classnames'; +import { isFullscreen, requestFullscreen, exitFullscreen } from '../ui/util/fullscreen'; +import { displayMedia, useBlurhash } from 'flavours/glitch/initial_state'; +import Icon from 'flavours/glitch/components/icon'; +import Blurhash from 'flavours/glitch/components/blurhash'; + +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' }, +}); + +export 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; +}; + +export const fileNameFromURL = str => { + const url = new URL(str); + const pathname = url.pathname; + const index = pathname.lastIndexOf('/'); + + return pathname.slice(index + 1); +}; + +export default @injectIntl +class Video extends React.PureComponent { + + static propTypes = { + preview: PropTypes.string, + frameRate: PropTypes.string, + src: PropTypes.string.isRequired, + alt: PropTypes.string, + width: PropTypes.number, + height: PropTypes.number, + sensitive: PropTypes.bool, + currentTime: PropTypes.number, + onOpenVideo: PropTypes.func, + onCloseVideo: PropTypes.func, + letterbox: PropTypes.bool, + fullwidth: PropTypes.bool, + detailed: PropTypes.bool, + inline: PropTypes.bool, + editable: PropTypes.bool, + alwaysVisible: PropTypes.bool, + cacheWidth: PropTypes.func, + intl: PropTypes.object.isRequired, + visible: PropTypes.bool, + onToggleVisibility: PropTypes.func, + deployPictureInPicture: PropTypes.func, + preventPlayback: PropTypes.bool, + blurhash: PropTypes.string, + autoPlay: PropTypes.bool, + volume: PropTypes.number, + muted: PropTypes.bool, + componentIndex: PropTypes.number, + }; + + static defaultProps = { + frameRate: '25', + }; + + state = { + currentTime: 0, + duration: 0, + volume: 0.5, + paused: true, + dragging: false, + containerWidth: this.props.width, + fullscreen: false, + hovered: false, + muted: false, + revealed: this.props.visible !== undefined ? this.props.visible : (displayMedia !== 'hide_all' && !this.props.sensitive || displayMedia === 'show_all'), + }; + + componentWillReceiveProps (nextProps) { + if (!is(nextProps.visible, this.props.visible) && nextProps.visible !== undefined) { + this.setState({ revealed: nextProps.visible }); + } + } + + setPlayerRef = c => { + this.player = c; + + if (this.player) { + this._setDimensions(); + } + } + + _setDimensions () { + const width = this.player.offsetWidth; + + if (width && width != this.state.containerWidth) { + if (this.props.cacheWidth) { + this.props.cacheWidth(width); + } + + this.setState({ + containerWidth: width, + }); + } + } + + setVideoRef = c => { + this.video = c; + + if (this.video) { + this.setState({ volume: this.video.volume, muted: this.video.muted }); + } + } + + setSeekRef = c => { + this.seek = c; + } + + setVolumeRef = c => { + this.volume = c; + } + + handleClickRoot = e => e.stopPropagation(); + + handlePlay = () => { + this.setState({ paused: false }); + this._updateTime(); + } + + handlePause = () => { + this.setState({ paused: true }); + } + + _updateTime () { + requestAnimationFrame(() => { + if (!this.video) return; + + this.handleTimeUpdate(); + + if (!this.state.paused) { + this._updateTime(); + } + }); + } + + handleTimeUpdate = () => { + this.setState({ + currentTime: this.video.currentTime, + duration:this.video.duration, + }); + } + + handleVolumeMouseDown = e => { + document.addEventListener('mousemove', this.handleMouseVolSlide, true); + document.addEventListener('mouseup', this.handleVolumeMouseUp, true); + document.addEventListener('touchmove', this.handleMouseVolSlide, true); + document.addEventListener('touchend', this.handleVolumeMouseUp, true); + + this.handleMouseVolSlide(e); + + e.preventDefault(); + e.stopPropagation(); + } + + handleVolumeMouseUp = () => { + document.removeEventListener('mousemove', this.handleMouseVolSlide, true); + document.removeEventListener('mouseup', this.handleVolumeMouseUp, true); + document.removeEventListener('touchmove', this.handleMouseVolSlide, true); + document.removeEventListener('touchend', this.handleVolumeMouseUp, true); + } + + handleMouseVolSlide = throttle(e => { + const { x } = getPointerPosition(this.volume, e); + + if(!isNaN(x)) { + this.setState({ volume: x }, () => { + this.video.volume = x; + }); + } + }, 15); + + 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); + + e.preventDefault(); + e.stopPropagation(); + } + + 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 = this.video.duration * x; + + if (!isNaN(currentTime)) { + this.setState({ currentTime }, () => { + this.video.currentTime = currentTime; + }); + } + }, 15); + + seekBy (time) { + const currentTime = this.video.currentTime + time; + + if (!isNaN(currentTime)) { + this.setState({ currentTime }, () => { + this.video.currentTime = currentTime; + }); + } + } + + handleVideoKeyDown = e => { + // On the video element or the seek bar, we can safely use the space bar + // for playback control because there are no buttons to press + + if (e.key === ' ') { + e.preventDefault(); + e.stopPropagation(); + this.togglePlay(); + } + } + + handleKeyDown = e => { + const frameTime = 1 / this.getFrameRate(); + + switch(e.key) { + case 'k': + e.preventDefault(); + e.stopPropagation(); + this.togglePlay(); + break; + case 'm': + e.preventDefault(); + e.stopPropagation(); + this.toggleMute(); + break; + case 'f': + e.preventDefault(); + e.stopPropagation(); + this.toggleFullscreen(); + break; + case 'j': + e.preventDefault(); + e.stopPropagation(); + this.seekBy(-10); + break; + case 'l': + e.preventDefault(); + e.stopPropagation(); + this.seekBy(10); + break; + case ',': + e.preventDefault(); + e.stopPropagation(); + this.seekBy(-frameTime); + break; + case '.': + e.preventDefault(); + e.stopPropagation(); + this.seekBy(frameTime); + break; + } + + // If we are in fullscreen mode, we don't want any hotkeys + // interacting with the UI that's not visible + + if (this.state.fullscreen) { + e.preventDefault(); + e.stopPropagation(); + + if (e.key === 'Escape') { + exitFullscreen(); + } + } + } + + togglePlay = () => { + if (this.state.paused) { + this.setState({ paused: false }, () => this.video.play()); + } else { + this.setState({ paused: true }, () => 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); + + window.addEventListener('scroll', this.handleScroll); + window.addEventListener('resize', this.handleResize, { passive: true }); + } + + componentWillUnmount () { + window.removeEventListener('scroll', this.handleScroll); + window.removeEventListener('resize', this.handleResize); + + document.removeEventListener('fullscreenchange', this.handleFullscreenChange, true); + document.removeEventListener('webkitfullscreenchange', this.handleFullscreenChange, true); + document.removeEventListener('mozfullscreenchange', this.handleFullscreenChange, true); + document.removeEventListener('MSFullscreenChange', this.handleFullscreenChange, true); + + if (!this.state.paused && this.video && this.props.deployPictureInPicture) { + this.props.deployPictureInPicture('video', { + src: this.props.src, + currentTime: this.video.currentTime, + muted: this.video.muted, + volume: this.video.volume, + }); + } + } + + componentDidUpdate (prevProps) { + if (this.player && this.player.offsetWidth && this.player.offsetWidth != this.state.containerWidth && !this.state.fullscreen) { + if (this.props.cacheWidth) this.props.cacheWidth(this.player.offsetWidth); + this.setState({ + containerWidth: this.player.offsetWidth, + }); + } + if (this.video && this.state.revealed && this.props.preventPlayback && !prevProps.preventPlayback) { + this.video.pause(); + } + } + + handleResize = debounce(() => { + if (this.player) { + this._setDimensions(); + } + }, 250, { + trailing: true, + }); + + handleScroll = throttle(() => { + if (!this.video) { + return; + } + + const { top, height } = this.video.getBoundingClientRect(); + const inView = (top <= (window.innerHeight || document.documentElement.clientHeight)) && (top + height >= 0); + + if (!this.state.paused && !inView) { + this.video.pause(); + + if (this.props.deployPictureInPicture) { + this.props.deployPictureInPicture('video', { + src: this.props.src, + currentTime: this.video.currentTime, + muted: this.video.muted, + volume: this.video.volume, + }); + } + + this.setState({ paused: true }); + } + }, 150, { trailing: true }) + + handleFullscreenChange = () => { + this.setState({ fullscreen: isFullscreen() }); + } + + handleMouseEnter = () => { + this.setState({ hovered: true }); + } + + handleMouseLeave = () => { + this.setState({ hovered: false }); + } + + toggleMute = () => { + const muted = !this.video.muted; + + this.setState({ muted }, () => { + this.video.muted = muted; + }); + } + + toggleReveal = () => { + if (this.state.revealed) { + this.setState({ paused: true }); + } + + if (this.props.onToggleVisibility) { + this.props.onToggleVisibility(); + } else { + this.setState({ revealed: !this.state.revealed }); + } + } + + handleLoadedData = () => { + const { currentTime, volume, muted, autoPlay } = this.props; + + if (currentTime) { + this.video.currentTime = currentTime; + } + + if (volume !== undefined) { + this.video.volume = volume; + } + + if (muted !== undefined) { + this.video.muted = muted; + } + + if (autoPlay) { + this.video.play(); + } + } + + handleProgress = () => { + const lastTimeRange = this.video.buffered.length - 1; + + if (lastTimeRange > -1) { + this.setState({ buffer: Math.ceil(this.video.buffered.end(lastTimeRange) / this.video.duration * 100) }); + } + } + + handleVolumeChange = () => { + this.setState({ volume: this.video.volume, muted: this.video.muted }); + } + + handleOpenVideo = () => { + this.video.pause(); + + this.props.onOpenVideo({ + startTime: this.video.currentTime, + autoPlay: !this.state.paused, + defaultVolume: this.state.volume, + componentIndex: this.props.componentIndex, + }); + } + + handleCloseVideo = () => { + this.video.pause(); + this.props.onCloseVideo(); + } + + getFrameRate () { + if (this.props.frameRate && isNaN(this.props.frameRate)) { + // The frame rate is returned as a fraction string so we + // need to convert it to a number + + return this.props.frameRate.split('/').reduce((p, c) => p / c); + } + + return this.props.frameRate || 25; + } + + render () { + const { preview, src, inline, onOpenVideo, onCloseVideo, intl, alt, letterbox, fullwidth, detailed, sensitive, editable, blurhash } = this.props; + const { containerWidth, currentTime, duration, volume, buffer, dragging, paused, fullscreen, hovered, muted, revealed } = this.state; + const progress = Math.min((currentTime / duration) * 100, 100); + const playerStyle = {}; + + const computedClass = classNames('video-player', { inactive: !revealed, detailed, inline: inline && !fullscreen, fullscreen, editable, letterbox, 'full-width': fullwidth }); + + let { width, height } = this.props; + + if (inline && containerWidth) { + width = containerWidth; + height = containerWidth / (16/9); + + playerStyle.height = height; + } else if (inline) { + return (<div className={computedClass} ref={this.setPlayerRef} tabindex={0}></div>); + } + + let preload; + + if (this.props.currentTime || fullscreen || dragging) { + preload = 'auto'; + } else if (detailed) { + preload = 'metadata'; + } else { + preload = 'none'; + } + + let warning; + + if (sensitive) { + warning = <FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' />; + } else { + warning = <FormattedMessage id='status.media_hidden' defaultMessage='Media hidden' />; + } + + return ( + <div + className={computedClass} + style={playerStyle} + ref={this.setPlayerRef} + onMouseEnter={this.handleMouseEnter} + onMouseLeave={this.handleMouseLeave} + onClick={this.handleClickRoot} + onKeyDown={this.handleKeyDown} + tabIndex={0} + > + <Blurhash + hash={blurhash} + className={classNames('media-gallery__preview', { + 'media-gallery__preview--hidden': revealed, + })} + dummy={!useBlurhash} + /> + + {(revealed || editable) && <video + ref={this.setVideoRef} + src={src} + poster={preview} + preload={preload} + loop + role='button' + tabIndex='0' + aria-label={alt} + title={alt} + width={width} + height={height} + volume={volume} + onClick={this.togglePlay} + onKeyDown={this.handleVideoKeyDown} + onPlay={this.handlePlay} + onPause={this.handlePause} + onLoadedData={this.handleLoadedData} + onProgress={this.handleProgress} + onVolumeChange={this.handleVolumeChange} + />} + + <div className={classNames('spoiler-button', { 'spoiler-button--hidden': revealed || editable })}> + <button type='button' className='spoiler-button__overlay' onClick={this.toggleReveal}> + <span className='spoiler-button__overlay__label'>{warning}</span> + </button> + </div> + + <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}%` }} + onKeyDown={this.handleVideoKeyDown} + /> + </div> + + <div className='video-player__buttons-bar'> + <div className='video-player__buttons left'> + <button type='button' title={intl.formatMessage(paused ? messages.play : messages.pause)} aria-label={intl.formatMessage(paused ? messages.play : messages.pause)} className='player-button' onClick={this.togglePlay} autoFocus={detailed}><Icon id={paused ? 'play' : 'pause'} fixedWidth /></button> + <button type='button' title={intl.formatMessage(muted ? messages.unmute : messages.mute)} aria-label={intl.formatMessage(muted ? messages.unmute : messages.mute)} className='player-button' onClick={this.toggleMute}><Icon id={muted ? 'volume-off' : 'volume-up'} fixedWidth /></button> + + <div className={classNames('video-player__volume', { active: this.state.hovered })} onMouseDown={this.handleVolumeMouseDown} ref={this.setVolumeRef}> + <div className='video-player__volume__current' style={{ width: `${volume * 100}%` }} /> + + <span + className={classNames('video-player__volume__handle')} + tabIndex='0' + style={{ left: `${volume * 100}%` }} + /> + </div> + + {(detailed || fullscreen) && ( + <span className='video-player__time'> + <span className='video-player__time-current'>{formatTime(Math.floor(currentTime))}</span> + <span className='video-player__time-sep'>/</span> + <span className='video-player__time-total'>{formatTime(Math.floor(duration))}</span> + </span> + )} + </div> + + <div className='video-player__buttons right'> + {(!onCloseVideo && !editable && !fullscreen && !this.props.alwaysVisible) && <button type='button' title={intl.formatMessage(messages.hide)} aria-label={intl.formatMessage(messages.hide)} className='player-button' onClick={this.toggleReveal}><Icon id='eye-slash' fixedWidth /></button>} + {(!fullscreen && onOpenVideo) && <button type='button' title={intl.formatMessage(messages.expand)} aria-label={intl.formatMessage(messages.expand)} className='player-button' onClick={this.handleOpenVideo}><Icon id='expand' fixedWidth /></button>} + {onCloseVideo && <button type='button' title={intl.formatMessage(messages.close)} aria-label={intl.formatMessage(messages.close)} className='player-button' onClick={this.handleCloseVideo}><Icon id='compress' fixedWidth /></button>} + <button type='button' title={intl.formatMessage(fullscreen ? messages.exit_fullscreen : messages.fullscreen)} aria-label={intl.formatMessage(fullscreen ? messages.exit_fullscreen : messages.fullscreen)} className='player-button' onClick={this.toggleFullscreen}><Icon id={fullscreen ? 'compress' : 'arrows-alt'} fixedWidth /></button> + </div> + </div> + </div> + </div> + ); + } + +} |