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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import ChannelStore from 'stores/channel_store.jsx';
import WebClient from 'client/web_client.jsx';
import * as Utils from 'utils/utils.jsx';
const ytRegex = /(?:http|https):\/\/(?:www\.)?(?:(?:youtube\.com\/(?:(?:v\/)|(\/u\/\w\/)|(?:(?:watch|embed\/watch)(?:\/|.*v=))|(?:embed\/)|(?:user\/[^\/]+\/u\/[0-9]\/)))|(?:youtu\.be\/))([^#&\?]*)/;
import React from 'react';
export default class YoutubeVideo extends React.Component {
constructor(props) {
super(props);
this.updateStateFromProps = this.updateStateFromProps.bind(this);
this.handleReceivedMetadata = this.handleReceivedMetadata.bind(this);
this.handleMetadataError = this.handleMetadataError.bind(this);
this.loadWithoutKey = this.loadWithoutKey.bind(this);
this.play = this.play.bind(this);
this.stop = this.stop.bind(this);
this.stopOnChannelChange = this.stopOnChannelChange.bind(this);
this.state = {
loaded: false,
failed: false,
playing: false,
title: ''
};
}
componentWillMount() {
this.updateStateFromProps(this.props);
}
componentWillReceiveProps(nextProps) {
this.updateStateFromProps(nextProps);
}
updateStateFromProps(props) {
const link = props.link;
const match = link.trim().match(ytRegex);
if (!match || match[2].length !== 11) {
return;
}
if (props.show === false) {
this.stop();
}
this.setState({
videoId: match[2],
time: this.handleYoutubeTime(link)
});
}
handleYoutubeTime(link) {
const timeRegex = /[\\?&]t=([0-9hms]+)/;
const time = link.match(timeRegex);
if (!time || !time[1]) {
return '';
}
const hours = time[1].match(/([0-9]+)h/);
const minutes = time[1].match(/([0-9]+)m/);
const seconds = time[1].match(/([0-9]+)s/);
let ticks = 0;
if (hours && hours[1]) {
ticks += parseInt(hours[1], 10) * 3600;
}
if (minutes && minutes[1]) {
ticks += parseInt(minutes[1], 10) * 60;
}
if (seconds && seconds[1]) {
ticks += parseInt(seconds[1], 10);
}
return '&start=' + ticks.toString();
}
componentDidMount() {
const key = global.window.mm_config.GoogleDeveloperKey;
if (key) {
WebClient.getYoutubeVideoInfo(key, this.state.videoId,
this.handleReceivedMetadata, this.handleMetadataError);
} else {
this.loadWithoutKey();
}
}
loadWithoutKey() {
this.setState({
loaded: true,
thumb: 'https://i.ytimg.com/vi/' + this.state.videoId + '/hqdefault.jpg'
});
}
handleMetadataError() {
this.setState({
failed: true,
loaded: true,
title: Utils.localizeMessage('youtube_video.notFound', 'Video not found')
});
}
handleReceivedMetadata(data) {
if (!data || !data.items || !data.items.length || !data.items[0].snippet) {
this.setState({
failed: true,
loaded: true,
title: Utils.localizeMessage('youtube_video.notFound', 'Video not found')
});
return null;
}
const metadata = data.items[0].snippet;
let thumb = 'https://i.ytimg.com/vi/' + this.state.videoId + '/hqdefault.jpg';
if (metadata.liveBroadcastContent === 'live') {
thumb = 'https://i.ytimg.com/vi/' + this.state.videoId + '/hqdefault_live.jpg';
}
this.setState({
loaded: true,
receivedYoutubeData: true,
title: metadata.title,
thumb
});
return null;
}
play() {
this.setState({playing: true});
if (ChannelStore.getCurrentId() === this.props.channelId) {
ChannelStore.addChangeListener(this.stopOnChannelChange);
}
}
stop() {
this.setState({playing: false});
}
stopOnChannelChange() {
if (ChannelStore.getCurrentId() !== this.props.channelId) {
this.stop();
}
}
render() {
if (!this.state.loaded) {
return <div className='video-loading'/>;
}
let header;
if (this.state.title) {
header = (
<h4>
<span className='video-type'>{'Youtube - '}</span>
<span className='video-title'>
<a
href={this.props.link}
target='blank'
rel='noopener noreferrer'
>
{this.state.title}
</a>
</span>
</h4>
);
}
let content;
if (this.state.failed) {
content = (
<div>
<div className='video-thumbnail__container'>
<div className='video-thumbnail__error'>
<div><i className='fa fa-warning fa-2x'/></div>
<div>{Utils.localizeMessage('youtube_video.notFound', 'Video not found')}</div>
</div>
</div>
</div>
);
} else if (this.state.playing) {
content = (
<iframe
src={'https://www.youtube.com/embed/' + this.state.videoId + '?autoplay=1&autohide=1&border=0&wmode=opaque&fs=1&enablejsapi=1' + this.state.time}
width='480px'
height='360px'
type='text/html'
frameBorder='0'
allowFullScreen='allowfullscreen'
/>
);
} else {
content = (
<div className='embed-responsive embed-responsive-4by3 video-div__placeholder'>
<div className='video-thumbnail__container'>
<img
className='video-thumbnail'
src={this.state.thumb}
/>
<div className='block'>
<span className='play-button'><span/></span>
</div>
</div>
</div>
);
}
return (
<div>
{header}
<div
className='video-div embed-responsive-item'
onClick={this.play}
>
{content}
</div>
</div>
);
}
static isYoutubeLink(link) {
return link.trim().match(ytRegex);
}
}
YoutubeVideo.propTypes = {
channelId: React.PropTypes.string.isRequired,
link: React.PropTypes.string.isRequired,
show: React.PropTypes.bool.isRequired
};
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