artcraft/frontend/audio.ts

// Copyright (c) 2016 Brandon Thomas <bt@brand.io, echelon@gmail.com>

declare var buzz: any; // TODO: static types.

import { talk, stopTalking } from "./animation";

export default class Audio {
  sound: any;

  constructor() {
    this.sound = null;
  }

  playUrl(url: string) {
    this.stop();
    this.sound = new buzz.sound(url);
    this.sound.play();

    this.sound.bind('play playing', function() {
      talk(); // UI
    });

    this.sound.bind('error ended pause', function() {
      stopTalking(); // UI
    });
  }

  stop() {
    if (this.sound != null) {
      this.sound.stop();
    }
  }
}