web-audio-test-api/lib/OscillatorNode.js

Web Audio API test library for CI

"use strict";

var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();

var _dec, _dec2, _dec3, _dec4, _dec5, _dec6, _dec7, _dec8, _dec9, _desc, _value, _class, _class2, _temp;

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = undefined;

var _AudioNode2 = require("./AudioNode");

var _AudioNode3 = _interopRequireDefault(_AudioNode2);

var _PeriodicWave = require("./PeriodicWave");

var _PeriodicWave2 = _interopRequireDefault(_PeriodicWave);

var _Event = require("./dom/Event");

var _Event2 = _interopRequireDefault(_Event);

var _toSeconds = require("./utils/toSeconds");

var _toSeconds2 = _interopRequireDefault(_toSeconds);

var _props = require("./decorators/props");

var props = _interopRequireWildcard(_props);

var _methods = require("./decorators/methods");

var methods = _interopRequireWildcard(_methods);

var _validators = require("./validators");

var validators = _interopRequireWildcard(_validators);

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var OscillatorNode = (_dec = props.enums(["sine", "square", "sawtooth", "triangle"]), _dec2 = props.audioparam(440), _dec3 = props.audioparam(0), _dec4 = props.on("ended"), _dec5 = methods.param("[ when ]", validators.isPositiveNumber), _dec6 = methods.contract({
  precondition: function precondition() {
    if (this._.startTime !== Infinity) {
      throw new Error("Cannot start more than once.");
    }
  }
}), _dec7 = methods.param("[ when ]", validators.isPositiveNumber), _dec8 = methods.contract({
  precondition: function precondition() {
    if (this._.startTime === Infinity) {
      throw new Error("Cannot call stop without calling start first.");
    }
    if (this._.stopTime !== Infinity) {
      throw new Error("Cannot stop more than once.");
    }
  }
}), _dec9 = methods.param("periodicWave", validators.isInstanceOf(_PeriodicWave2.default)), (_class = (_temp = _class2 = (function (_AudioNode) {
  _inherits(OscillatorNode, _AudioNode);

  function OscillatorNode(admission, context) {
    _classCallCheck(this, OscillatorNode);

    var _this = _possibleConstructorReturn(this, Object.getPrototypeOf(OscillatorNode).call(this, admission, {
      name: "OscillatorNode",
      context: context,
      numberOfInputs: 0,
      numberOfOutputs: 1,
      channelCount: 2,
      channelCountMode: "max",
      channelInterpretation: "speakers"
    }));

    _this._.custom = null;
    _this._.startTime = Infinity;
    _this._.stopTime = Infinity;
    _this._.firedOnEnded = false;
    return _this;
  }

  _createClass(OscillatorNode, [{
    key: "type",
    value: function type() {}
  }, {
    key: "frequency",
    value: function frequency() {}
  }, {
    key: "detune",
    value: function detune() {}
  }, {
    key: "onended",
    value: function onended() {}
  }, {
    key: "start",
    value: function start() {
      var when = arguments.length <= 0 || arguments[0] === undefined ? 0 : arguments[0];

      this._.startTime = when;
    }
  }, {
    key: "stop",
    value: function stop() {
      var when = arguments.length <= 0 || arguments[0] === undefined ? 0 : arguments[0];

      this._.stopTime = when;
    }
  }, {
    key: "setPeriodicWave",
    value: function setPeriodicWave(periodicWave) {
      this._.type = "custom";
      this._.custom = periodicWave;
    }
  }, {
    key: "$stateAtTime",
    value: function $stateAtTime(when) {
      var playbackTime = (0, _toSeconds2.default)(when);

      if (this._.startTime === Infinity) {
        return "UNSCHEDULED";
      }
      if (playbackTime < this._.startTime) {
        return "SCHEDULED";
      }
      if (playbackTime < this._.stopTime) {
        return "PLAYING";
      }

      return "FINISHED";
    }
  }, {
    key: "__process",
    value: function __process() {
      if (!this._.firedOnEnded && this.$stateAtTime(this.context.currentTime) === "FINISHED") {
        this.dispatchEvent(new _Event2.default("ended", this));
        this._.firedOnEnded = true;
      }
    }
  }, {
    key: "$state",
    get: function get() {
      return this.$stateAtTime(this.context.currentTime);
    }
  }, {
    key: "$custom",
    get: function get() {
      return this._.custom;
    }
  }, {
    key: "$startTime",
    get: function get() {
      return this._.startTime;
    }
  }, {
    key: "$stopTime",
    get: function get() {
      return this._.stopTime;
    }
  }]);

  return OscillatorNode;
})(_AudioNode3.default), _class2.$JSONKeys = ["type", "frequency", "detune"], _temp), (_desc = _dec(_class.prototype, "type", _desc = Object.getOwnPropertyDescriptor(_class.prototype, "type")) || _desc, _desc ? Object.defineProperty(_class.prototype, "type", _desc) : void 0, _desc = _dec2(_class.prototype, "frequency", _desc = Object.getOwnPropertyDescriptor(_class.prototype, "frequency")) || _desc, _desc ? Object.defineProperty(_class.prototype, "frequency", _desc) : void 0, _desc = _dec3(_class.prototype, "detune", _desc = Object.getOwnPropertyDescriptor(_class.prototype, "detune")) || _desc, _desc ? Object.defineProperty(_class.prototype, "detune", _desc) : void 0, _desc = _dec4(_class.prototype, "onended", _desc = Object.getOwnPropertyDescriptor(_class.prototype, "onended")) || _desc, _desc ? Object.defineProperty(_class.prototype, "onended", _desc) : void 0, _desc = _dec5(_class.prototype, "start", _desc = _dec6(_class.prototype, "start", _desc = Object.getOwnPropertyDescriptor(_class.prototype, "start")) || _desc) || _desc, _desc ? Object.defineProperty(_class.prototype, "start", _desc) : void 0, _desc = _dec7(_class.prototype, "stop", _desc = _dec8(_class.prototype, "stop", _desc = Object.getOwnPropertyDescriptor(_class.prototype, "stop")) || _desc) || _desc, _desc ? Object.defineProperty(_class.prototype, "stop", _desc) : void 0, _desc = _dec9(_class.prototype, "setPeriodicWave", _desc = Object.getOwnPropertyDescriptor(_class.prototype, "setPeriodicWave")) || _desc, _desc ? Object.defineProperty(_class.prototype, "setPeriodicWave", _desc) : void 0), _class));
exports.default = OscillatorNode;