@senzil/cec-monitor/lib/StateManager.js

HDMI-CEC library with a simple monitor written on ES6 to make cec enabled apps.

/**
 * Created by pablo on 9/14/17.
 */
'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _DeviceState = _interopRequireDefault(require("./DeviceState"));

var _HDMICEC = _interopRequireDefault(require("./HDMI-CEC.1.4"));

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

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var _Symbol$species = Symbol.species;

class StateManager extends Array {
  static get [_Symbol$species]() {
    return Array;
  }

  constructor() {
    super();

    _defineProperty(this, "base", void 0);

    _defineProperty(this, "active_source", void 0);

    this.base = _HDMICEC.default.LogicalAddress.UNKNOWN;
    this.active_source = null; // Default not known

    for (let state, i = _HDMICEC.default.LogicalAddress.TV; i <= _HDMICEC.default.LogicalAddress.FREEUSE; i++) {
      //avoid save broadcast state
      state = new _DeviceState.default(i); //set TV physical address

      if (i === _HDMICEC.default.LogicalAddress.TV) {
        state.physical = 0x0000;
      }

      this.push(state);
    }
  }

  get timestamp() {
    return Math.min(...this.map(s => s.timestamp));
  }

  GetByPhysical(address) {
    return this.find(S => S.physical === address);
  }

  GetByRoute(route) {
    return this.find(S => S.route === route);
  }

  get primary() {
    return this.find(S => S.primary === true);
  }

  set primary(logical) {
    this.forEach(S => S.primary === false);
    this[logical].primary = true;
    return this[logical];
  }

  get owns() {
    return this.filter(S => S.own === true);
  }

  get hdmi() {
    return this.primary.physical >> 12;
  }

  set hdmi(port) {
    const newport = (this.primary.physical & 0x0fff) + (port << 12);
    this.owns.forEach(own => own.physical = newport);
    return newport;
  }

}

exports.default = StateManager;