lbry-desktop/ui/js/component/splash.js

import React from 'react';
import lbry from '../lbry.js';
import LoadScreen from './load_screen.js';

export class SplashScreen extends React.Component {
  static propTypes = {
    message: React.PropTypes.string,
    onLoadDone: React.PropTypes.func,
  }

  constructor(props) {
    super(props);

    this.state = {
      details: __('Starting daemon'),
      isLagging: false,
    };
  }

  updateStatus() {
    lbry.status().then((status) => { this._updateStatusCallback(status) });
  }

  _updateStatusCallback(status) {
    const startupStatus = status.startup_status
    if (startupStatus.code == 'started') {
      // Wait until we are able to resolve a name before declaring
      // that we are done.
      // TODO: This is a hack, and the logic should live in the daemon
      // to give us a better sense of when we are actually started
      this.setState({
        details: __('Waiting for name resolution'),
        isLagging: false
      });

      lbry.resolve({uri: 'lbry://one'}).then(() => {
        this.props.onLoadDone();
      });
      return;
    }
    this.setState({
      details: startupStatus.message + (startupStatus.is_lagging ? '' : '...'),
      isLagging: startupStatus.is_lagging,
    });
    setTimeout(() => {
      this.updateStatus();
    }, 500);
  }

  componentDidMount() {
    lbry.connect().then((isConnected) => {
      if (isConnected) {
        this.updateStatus();
      } else {
        this.setState({
          isLagging: true,
          message: __("Failed to connect to LBRY"),
          details: __("LBRY was unable to start and connect properly.")
        })
      }
    })
  }

  render() {
    return <LoadScreen message={this.props.message} details={this.state.details} isWarning={this.state.isLagging} />
  }
}

export default SplashScreen;