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node_modules/lottie-web/player/js/utils/audio/AudioController.js

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+// import Howl from '../../3rd_party/howler';
+
+const audioControllerFactory = (function () {
+  function AudioController(audioFactory) {
+    this.audios = [];
+    this.audioFactory = audioFactory;
+    this._volume = 1;
+    this._isMuted = false;
+  }
+
+  AudioController.prototype = {
+    addAudio: function (audio) {
+      this.audios.push(audio);
+    },
+    pause: function () {
+      var i;
+      var len = this.audios.length;
+      for (i = 0; i < len; i += 1) {
+        this.audios[i].pause();
+      }
+    },
+    resume: function () {
+      var i;
+      var len = this.audios.length;
+      for (i = 0; i < len; i += 1) {
+        this.audios[i].resume();
+      }
+    },
+    setRate: function (rateValue) {
+      var i;
+      var len = this.audios.length;
+      for (i = 0; i < len; i += 1) {
+        this.audios[i].setRate(rateValue);
+      }
+    },
+    createAudio: function (assetPath) {
+      if (this.audioFactory) {
+        return this.audioFactory(assetPath);
+      } if (window.Howl) {
+        return new window.Howl({
+          src: [assetPath],
+        });
+      }
+      return {
+        isPlaying: false,
+        play: function () { this.isPlaying = true; },
+        seek: function () { this.isPlaying = false; },
+        playing: function () {},
+        rate: function () {},
+        setVolume: function () {},
+      };
+    },
+    setAudioFactory: function (audioFactory) {
+      this.audioFactory = audioFactory;
+    },
+    setVolume: function (value) {
+      this._volume = value;
+      this._updateVolume();
+    },
+    mute: function () {
+      this._isMuted = true;
+      this._updateVolume();
+    },
+    unmute: function () {
+      this._isMuted = false;
+      this._updateVolume();
+    },
+    getVolume: function () {
+      return this._volume;
+    },
+    _updateVolume: function () {
+      var i;
+      var len = this.audios.length;
+      for (i = 0; i < len; i += 1) {
+        this.audios[i].volume(this._volume * (this._isMuted ? 0 : 1));
+      }
+    },
+  };
+
+  return function () {
+    return new AudioController();
+  };
+}());
+
+export default audioControllerFactory;