diff options
Diffstat (limited to 'app/javascript/flavours/glitch/features/video/index.js')
| -rw-r--r-- | app/javascript/flavours/glitch/features/video/index.js | 523 |
1 files changed, 523 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..6d5162519 --- /dev/null +++ b/app/javascript/flavours/glitch/features/video/index.js @@ -0,0 +1,523 @@ +import React from 'react'; +import PropTypes from 'prop-types'; +import { defineMessages, injectIntl, FormattedMessage } from 'react-intl'; +import { fromJS, is } from 'immutable'; +import { throttle } from 'lodash'; +import classNames from 'classnames'; +import { isFullscreen, requestFullscreen, exitFullscreen } from 'flavours/glitch/util/fullscreen'; +import { displayMedia, useBlurhash } from 'flavours/glitch/util/initial_state'; +import { decode } from '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' }, +}); + +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, + letterbox: PropTypes.bool, + fullwidth: PropTypes.bool, + detailed: PropTypes.bool, + inline: PropTypes.bool, + editable: PropTypes.bool, + cacheWidth: PropTypes.func, + intl: PropTypes.object.isRequired, + visible: PropTypes.bool, + onToggleVisibility: PropTypes.func, + preventPlayback: PropTypes.bool, + blurhash: PropTypes.string, + link: PropTypes.node, + }; + + 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 }); + } + } + + // hard coded in components.scss + // any way to get ::before values programatically? + volWidth = 50; + volOffset = 70; + volHandleOffset = v => { + const offset = v * this.volWidth + this.volOffset; + return (offset > 110) ? 110 : offset; + } + + setPlayerRef = c => { + this.player = c; + + if (c && c.offsetWidth && c.offsetWidth != this.state.containerWidth) { + if (this.props.cacheWidth) this.props.cacheWidth(this.player.offsetWidth); + this.setState({ + containerWidth: c.offsetWidth, + }); + } + } + + 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; + } + + setCanvasRef = c => { + this.canvas = c; + + if (c && this.props.blurhash) { + this._decode(); + } + } + + handleMouseDownRoot = e => { + e.preventDefault(); + e.stopPropagation(); + } + + 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), + }); + } + + 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 rect = this.volume.getBoundingClientRect(); + const x = (e.clientX - rect.left) / this.volWidth; //x position within the element. + + if(!isNaN(x)) { + var slideamt = x; + if(x > 1) { + slideamt = 1; + } else if(x < 0) { + slideamt = 0; + } + this.video.volume = slideamt; + this.setState({ volume: slideamt }); + } + }, 60); + + 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 = Math.floor(this.video.duration * x); + + if (!isNaN(currentTime)) { + 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); + + if (this.props.blurhash) { + this._decode(); + } + } + + 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); + } + + 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(); + } + if (prevProps.blurhash !== this.props.blurhash && this.props.blurhash) { + this._decode(); + } + } + + _decode () { + if (!this.canvas || !useBlurhash) return; + + const hash = this.props.blurhash; + const pixels = decode(hash, 32, 32); + + if (pixels) { + const ctx = this.canvas.getContext('2d'); + const imageData = new ImageData(pixels, 32, 32); + + ctx.putImageData(imageData, 0, 0); + } + } + + 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(); + } + + if (this.props.onToggleVisibility) { + this.props.onToggleVisibility(); + } else { + 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 }); + } + } + + handleVolumeChange = () => { + this.setState({ volume: this.video.volume, muted: this.video.muted }); + } + + handleOpenVideo = () => { + const { src, preview, width, height, alt } = this.props; + + const media = fromJS({ + type: 'video', + url: src, + preview_url: preview, + description: alt, + width, + height, + }); + + this.video.pause(); + this.props.onOpenVideo(media, this.video.currentTime); + } + + handleCloseVideo = () => { + this.video.pause(); + this.props.onCloseVideo(); + } + + render () { + const { preview, src, inline, startTime, onOpenVideo, onCloseVideo, intl, alt, letterbox, fullwidth, detailed, sensitive, link, editable } = this.props; + const { containerWidth, currentTime, duration, volume, buffer, dragging, paused, fullscreen, hovered, muted, revealed } = this.state; + const progress = (currentTime / duration) * 100; + const playerStyle = {}; + + const volumeWidth = (muted) ? 0 : volume * this.volWidth; + const volumeHandleLoc = (muted) ? this.volHandleOffset(0) : this.volHandleOffset(volume); + + 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 warning; + if (sensitive) { + warning = <FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' />; + } else { + warning = <FormattedMessage id='status.media_hidden' defaultMessage='Media hidden' />; + } + + let preload; + + if (startTime || fullscreen || dragging) { + preload = 'auto'; + } else if (detailed) { + preload = 'metadata'; + } else { + preload = 'none'; + } + + return ( + <div + className={computedClass} + style={playerStyle} + ref={this.setPlayerRef} + onMouseEnter={this.handleMouseEnter} + onMouseLeave={this.handleMouseLeave} + onMouseDown={this.handleMouseDownRoot} + tabIndex={0} + > + <canvas width={32} height={32} ref={this.setCanvasRef} className={classNames('media-gallery__preview', { 'media-gallery__preview--hidden': revealed })} /> + + {(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} + onPlay={this.handlePlay} + onPause={this.handlePause} + onTimeUpdate={this.handleTimeUpdate} + 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}%` }} + /> + </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> + <div className='video-player__volume' onMouseDown={this.handleVolumeMouseDown} ref={this.setVolumeRef}> + <div className='video-player__volume__current' style={{ width: `${volumeWidth}px` }} /> + <span + className={classNames('video-player__volume__handle')} + tabIndex='0' + style={{ left: `${volumeHandleLoc}px` }} + /> + </div> + + {(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> + )} + + {link && <span className='video-player__link'>{link}</span>} + </div> + + <div className='video-player__buttons right'> + {(!onCloseVideo && !editable) && <button type='button' aria-label={intl.formatMessage(messages.hide)} onClick={this.toggleReveal}><i className='fa fa-fw fa-eye-slash' /></button>} + {(!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> + ); + } + +} |