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import { Injectable } from '@angular/core';
import {BasePubSub, IPubSubEvent} from "../../models/base-pubsub";
@Injectable()
export class EventBusService extends BasePubSub {
constructor() {
super("sdc-hub");
}
protected handlePluginRegistration(eventData: IPubSubEvent, event: any) {
if (eventData.type === 'PLUGIN_REGISTER') {
this.register(eventData.data.pluginId, event.source, event.origin);
let newEventsList = [];
if (this.eventsToWait.has(eventData.data.pluginId)) {
newEventsList = _.union(this.eventsToWait.get(eventData.data.pluginId), eventData.data.eventsToWait);
}
else {
newEventsList = eventData.data.eventsToWait;
}
this.eventsToWait.set(eventData.data.pluginId, newEventsList);
} else if (eventData.type === 'PLUGIN_UNREGISTER') {
this.unregister(eventData.data.pluginId);
}
}
public unregister(pluginId: string) {
const unregisterData = {
pluginId: pluginId
};
this.notify('PLUGIN_CLOSE', unregisterData).subscribe(() => {
super.unregister(pluginId);
});
}
protected onMessage(event: any) {
if (event.data.type === 'PLUGIN_REGISTER') {
this.handlePluginRegistration(event.data, event);
}
super.onMessage(event);
if (event.data.type === 'PLUGIN_UNREGISTER') {
this.handlePluginRegistration(event.data, event);
}
}
}
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