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// @flow
import * as React from 'react';
import { connect } from 'react-redux';
import { Bar } from './style';
import { withRouter } from 'react-router';
import compose from 'recompose/compose';
import { isViewingMarketingPage } from 'src/helpers/is-viewing-marketing-page';
import type { Dispatch } from 'redux';
import { withCurrentUser } from 'src/components/withCurrentUser';
type Props = {
websocketConnection: string,
dispatch: Dispatch<Object>,
history: Object,
currentUser: Object,
};
type State = {|
color: ?string,
label: ?string,
wsConnected: boolean,
online: boolean,
hidden: boolean,
|};
class Status extends React.Component<Props, State> {
initialState = {
color: null,
label: null,
online: true,
wsConnected: true,
hidden: true,
};
state = this.initialState;
componentDidMount() {
window.addEventListener('offline', this.handleOnlineChange);
window.addEventListener('online', this.handleOnlineChange);
document.addEventListener('visibilitychange', this.handleVisibilityChange);
// Only show the bar after a five second timeout
setTimeout(() => {
this.setState({
hidden: false,
});
}, 5000);
}
componentWillUnmount() {
window.removeEventListener('offline', this.handleOnlineChange);
window.removeEventListener('online', this.handleOnlineChange);
}
handleVisibilityChange = () => {
if (document && document.visibilityState === 'hidden') {
return this.props.dispatch({ type: 'PAGE_VISIBILITY', value: 'hidden' });
} else if (document && document.visibilityState === 'visible') {
return this.props.dispatch({ type: 'PAGE_VISIBILITY', value: 'visible' });
} else {
return;
}
};
handleOnlineChange = () => {
const online = window.navigator.onLine;
this.setState({
online,
label: online ? null : 'Lost internet connection.',
color: online ? null : 'warn',
});
this.props.dispatch({ type: 'NETWORK_CONNECTION', value: online });
};
handleWsChange = () => {
const { websocketConnection } = this.props;
if (websocketConnection === 'connected') {
return setTimeout(() => this.setState(this.initialState), 1000);
}
if (websocketConnection === 'disconnected') {
return this.setState({
color: 'special',
label: 'Reconnecting to server...',
wsConnected: false,
hidden: false,
});
}
if (websocketConnection === 'reconnected') {
this.setState({
color: 'success',
label: 'Reconnected!',
hidden: false,
});
return setTimeout(() => this.setState(this.initialState), 1000);
}
};
componentDidUpdate(prevProps) {
const curr = this.props;
if (prevProps.websocketConnection !== curr.websocketConnection) {
this.setState({
hidden: true,
});
if (curr.websocketConnection === 'disconnected') {
return setTimeout(() => {
return this.handleWsChange();
}, 5000);
}
return this.handleWsChange();
}
}
render() {
const { history, currentUser } = this.props;
const { color, online, wsConnected, label, hidden } = this.state;
if (isViewingMarketingPage(history, currentUser)) {
return null;
}
if (hidden) return null;
// if online and connected to the websocket, we don't need anything
if (online && wsConnected) return null;
return <Bar color={color}>{label}</Bar>;
}
}
const map = state => ({
websocketConnection: state.connectionStatus.websocketConnection,
});
export default compose(
// $FlowIssue
connect(map),
withCurrentUser,
withRouter
)(Status);
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