62 lines
1.6 KiB
JavaScript
62 lines
1.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const Menu = require("resource://devtools/client/framework/menu.js");
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const MenuItem = require("resource://devtools/client/framework/menu-item.js");
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/**
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* Helper function for opening context menu.
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*
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* @param {Array} items
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* List of menu items.
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* @param {Object} options:
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* @property {Element} button
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* Button element used to open the menu.
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* @property {Number} screenX
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* Screen x coordinate of the menu on the screen.
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* @property {Number} screenY
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* Screen y coordinate of the menu on the screen.
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*/
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function showMenu(items, options) {
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if (items.length === 0) {
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return;
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}
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// Build the menu object from provided menu items.
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const menu = new Menu();
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items.forEach(item => {
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if (item == "-") {
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item = { type: "separator" };
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}
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const menuItem = new MenuItem(item);
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const subItems = item.submenu;
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if (subItems) {
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const subMenu = new Menu();
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subItems.forEach(subItem => {
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subMenu.append(new MenuItem(subItem));
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});
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menuItem.submenu = subMenu;
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}
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menu.append(menuItem);
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});
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// Calculate position on the screen according to
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// the parent button if available.
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if (options.button) {
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menu.popupAtTarget(options.button);
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} else {
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const screenX = options.screenX;
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const screenY = options.screenY;
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menu.popup(screenX, screenY, window.document);
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}
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}
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module.exports = {
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showMenu,
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};
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