@enact/webos/speech/readAlert.js

webOS support library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.readAlert = exports["default"] = void 0;
var _LS2Request = _interopRequireDefault(require("../LS2Request"));
var _platform = require("../platform");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
/* eslint-disable no-console */

var audioGuidanceEnabled = null;
var checkAudioGuidance = function checkAudioGuidance() {
  return new Promise(function (resolve, reject) {
    if (audioGuidanceEnabled === null) {
      new _LS2Request["default"]().send({
        service: 'luna://com.webos.settingsservice',
        method: 'getSystemSettings',
        subscribe: true,
        parameters: {
          'keys': ['audioGuidance'],
          'category': 'option'
        },
        onSuccess: function onSuccess(res) {
          if (res && res.settings.audioGuidance === 'on') {
            audioGuidanceEnabled = true;
            resolve();
            return;
          }
          audioGuidanceEnabled = false;
          reject();
        },
        onFailure: function onFailure(err) {
          reject('Failed to get system AudioGuidance settings: ' + JSON.stringify(err));
        }
      });
    } else if (audioGuidanceEnabled) {
      resolve();
    } else {
      reject();
    }
  });
};
var readAlertMessage = function readAlertMessage(string, clear) {
  return function () {
    return new Promise(function (resolve, reject) {
      new _LS2Request["default"]().send({
        service: 'luna://com.webos.service.tts',
        method: 'speak',
        parameters: {
          'text': string,
          'clear': clear
        },
        onSuccess: resolve,
        onFailure: function onFailure(err) {
          reject('Failed to readAlertMessage: ' + JSON.stringify(err));
        }
      });
    });
  };
};

/**
 * Read alert text when accessibility audio guidance is enabled.
 *
 * @function
 * @param {String} string String to voice readout
 * @param {Boolean} [clear=true] Clear option for TTS. If true, it will cut off previous reading.
 * @returns {undefined}
 * @memberof webos/speech
 * @public
 */
var readAlert = exports.readAlert = function readAlert(string) {
  var clear = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
  if (_platform.platform.tv) {
    checkAudioGuidance().then(readAlertMessage(string, clear))["catch"](function (message) {
      if (message) {
        console.error("Failed to readAlert: ".concat(message));
      }
    });
  } else {
    console.warn('Platform doesn\'t support TTS api.');
  }
};
var _default = exports["default"] = readAlert;