import { Directive, EventEmitter, Output } from '@angular/core'; import { ValueChangeElement } from './models/uI-element'; import { ElementComponent } from './element-component.directive'; @Directive() export abstract class MediaPlayerElementComponent extends ElementComponent { @Output() elementValueChanged = new EventEmitter<ValueChangeElement>(); @Output() onMediaPlayStatusChanged = new EventEmitter<string | null>(); active: boolean = true; setActualPlayingMediaId(id: string | null): void { this.active = !id || id === this.elementModel.id; } }