@firefox-devtools/react-contextmenu/modules/globalEventListener.js

Context Menu implemented in React

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _actions = require("./actions");
var _helpers = require("./helpers");
class GlobalEventListener {
  constructor() {
    this.callbacks = {};
    if (_helpers.canUseDOM) {
      window.addEventListener(_actions.MENU_SHOW, this.handleShowEvent);
      window.addEventListener(_actions.MENU_HIDE, this.handleHideEvent);
    }
  }
  handleShowEvent = event => {
    for (const id in this.callbacks) {
      if ((0, _helpers.hasOwnProp)(this.callbacks, id)) this.callbacks[id].show(event);
    }
  };
  handleHideEvent = event => {
    for (const id in this.callbacks) {
      if ((0, _helpers.hasOwnProp)(this.callbacks, id)) this.callbacks[id].hide(event);
    }
  };
  register = (showCallback, hideCallback) => {
    const id = (0, _helpers.uniqueId)();
    this.callbacks[id] = {
      show: showCallback,
      hide: hideCallback
    };
    return id;
  };
  unregister = id => {
    if (id && this.callbacks[id]) {
      delete this.callbacks[id];
    }
  };
}
var _default = exports.default = new GlobalEventListener();