view src/app/visualisations/vertical-scale.component.ts @ 454:f93582c38b70

Don't dispose of old audio when loading new audio files. Also move resource manager type out of audio-player.
author Lucas Thompson <dev@lucas.im>
date Thu, 29 Jun 2017 20:08:11 +0100
parents 40ea40ebc2b3
children 64ed45a0bad3
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/**
 * Created by lucas on 01/06/2017.
 */
import {VerticalScaleRenderer} from './waves-base.component';
import {
  ChangeDetectionStrategy,
  Component,
  ContentChildren,
  QueryList,
  AfterViewInit
} from '@angular/core';

@Component({
  selector: 'ugly-vertical-scale',
  template: '<ng-content></ng-content>',
  changeDetection: ChangeDetectionStrategy.OnPush
})
export class VerticalScaleComponent implements AfterViewInit {

  @ContentChildren(
    VerticalScaleRenderer
  ) bounded: QueryList<VerticalScaleRenderer>;
  protected cachedRange: [number, number];

  ngAfterViewInit(): void {
    this.bounded.forEach(component => {
      this.cachedRange = component.range;
      if (this.cachedRange) {
        component.renderScale(this.cachedRange);
      }
    });
  }
}