tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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utils.js (1651B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 "use strict";
      6 
      7 const Menu = require("resource://devtools/client/framework/menu.js");
      8 const MenuItem = require("resource://devtools/client/framework/menu-item.js");
      9 
     10 /**
     11 * Helper function for opening context menu.
     12 *
     13 * @param {Array} items
     14 *        List of menu items.
     15 * @param {object} options:
     16 * @property {Element} button
     17 *           Button element used to open the menu.
     18 * @property {number} screenX
     19 *           Screen x coordinate of the menu on the screen.
     20 * @property {number} screenY
     21 *           Screen y coordinate of the menu on the screen.
     22 */
     23 function showMenu(items, options) {
     24  if (items.length === 0) {
     25    return;
     26  }
     27 
     28  // Build the menu object from provided menu items.
     29  const menu = new Menu();
     30  items.forEach(item => {
     31    if (item == "-") {
     32      item = { type: "separator" };
     33    }
     34 
     35    const menuItem = new MenuItem(item);
     36    const subItems = item.submenu;
     37 
     38    if (subItems) {
     39      const subMenu = new Menu();
     40      subItems.forEach(subItem => {
     41        subMenu.append(new MenuItem(subItem));
     42      });
     43      menuItem.submenu = subMenu;
     44    }
     45 
     46    menu.append(menuItem);
     47  });
     48 
     49  // Calculate position on the screen according to
     50  // the parent button if available.
     51  if (options.button) {
     52    menu.popupAtTarget(options.button);
     53  } else {
     54    const screenX = options.screenX;
     55    const screenY = options.screenY;
     56    menu.popup(screenX, screenY, window.document);
     57  }
     58 }
     59 
     60 module.exports = {
     61  showMenu,
     62 };