1import React, { Component } from 'react';
 2
 3export default class Screen extends Component {
 4  componentDidMount() {
 5    this.eventsOfInterest().forEach((event) => {
 6      this.props.eventAggregator.subscribe(event, this);
 7    });
 8  }
 9
10  componentWillUnmount() {
11    this.props.eventAggregator.unsubscribe(this);
12  }
13
14  publish(event) {
15    this.props.eventAggregator.publish(event);
16  }
17
18  loadScreen(screen, params = {}) {
19    this.props.navigator.push({ component: screen, params });
20  }
21
22  eventsOfInterest() {
23    if (this.state == null || this.state.eventsOfInterest == undefined) {
24      return [];
25    }
26    return this.state.eventsOfInterest;
27  }
28
29  resolve(component) {
30    return this.props.registry.resolve(component);
31  }
32}