cybre-space/app/javascript/mastodon/features/video/index.js

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import React from 'react';
import PropTypes from 'prop-types';
import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
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import { fromJS } from 'immutable';
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,
inline: PropTypes.bool,
intl: PropTypes.object.isRequired,
};
state = {
currentTime: 0,
duration: 0,
paused: true,
dragging: false,
containerWidth: false,
fullscreen: false,
hovered: false,
muted: false,
revealed: !this.props.sensitive || displaySensitiveMedia,
};
setPlayerRef = c => {
this.player = c;
if (c) {
this.setState({
containerWidth: c.offsetWidth,
});
}
}
setVideoRef = c => {
this.video = c;
}
setSeekRef = c => {
this.seek = c;
}
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handleClickRoot = e => 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),
});
}
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);
}
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();
}
}
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handleProgress = () => {
if (this.video.buffered.length > 0) {
this.setState({ buffer: this.video.buffered.end(0) / this.video.duration * 100 });
}
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}
handleOpenVideo = () => {
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const { src, preview, width, height } = this.props;
const media = fromJS({
type: 'video',
url: src,
preview_url: preview,
width,
height,
});
this.video.pause();
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this.props.onOpenVideo(media, this.video.currentTime);
}
handleCloseVideo = () => {
this.video.pause();
this.props.onCloseVideo();
}
render () {
const { preview, src, inline, startTime, onOpenVideo, onCloseVideo, intl, alt, detailed } = this.props;
const { containerWidth, currentTime, duration, buffer, dragging, paused, fullscreen, hovered, muted, revealed } = this.state;
const progress = (currentTime / duration) * 100;
const playerStyle = {};
let { width, height } = this.props;
if (inline && containerWidth) {
width = containerWidth;
height = containerWidth / (16/9);
playerStyle.width = width;
playerStyle.height = height;
}
let preload;
if (startTime || fullscreen || dragging) {
preload = 'auto';
} else if (detailed) {
preload = 'metadata';
} else {
preload = 'none';
}
return (
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<div
role='menuitem'
className={classNames('video-player', { inactive: !revealed, detailed, inline: inline && !fullscreen, fullscreen })}
style={playerStyle}
ref={this.setPlayerRef}
onMouseEnter={this.handleMouseEnter}
onMouseLeave={this.handleMouseLeave}
onClick={this.handleClickRoot}
tabIndex={0}
>
<video
ref={this.setVideoRef}
src={src}
poster={preview}
preload={preload}
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}
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onProgress={this.handleProgress}
/>
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<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}>
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<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'>
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<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>
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{!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'>
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{(!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>
);
}
}