lbry-desktop/ui/js/component/app/view.jsx

import React from 'react';
import Router from 'component/router';
import Header from 'component/header';
import ErrorModal from 'component/errorModal';
import DownloadingModal from 'component/downloadingModal';
import UpgradeModal from 'component/upgradeModal';
import lbry from 'lbry';
import { Line } from 'rc-progress';

class App extends React.Component {
	componentWillMount() {
		document.addEventListener('unhandledError', event => {
			this.props.alertError(event.detail);
		});

		if (!this.props.upgradeSkipped) {
			this.props.checkUpgradeAvailable();
		}

		lbry.balanceSubscribe(balance => {
			this.props.updateBalance(balance);
		});
	}

	render() {
		const { modal } = this.props;

		return (
			<div id="window">
				<Header />
				<div id="main-content">
					<Router />
				</div>
				{modal == 'upgrade' && <UpgradeModal />}
				{modal == 'downloading' && <DownloadingModal />}
				{modal == 'error' && <ErrorModal />}
			</div>
		);
	}
}

export default App;