michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 'use strict';
michael@0: 
michael@0: module.metadata = {
michael@0:   'stability': 'unstable'
michael@0: };
michael@0: 
michael@0: 
michael@0: // NOTE: This file should only export Tab instances
michael@0: 
michael@0: 
michael@0: const { getTabForContentWindow, getTabForBrowser: getRawTabForBrowser } = require('./utils');
michael@0: const { Tab } = require('./tab');
michael@0: const { rawTabNS } = require('./namespace');
michael@0: 
michael@0: function getTabForWindow(win) {
michael@0:   let tab = getTabForContentWindow(win);
michael@0:   // We were unable to find the related tab!
michael@0:   if (!tab)
michael@0:     return null;
michael@0: 
michael@0:   return getTabForRawTab(tab) || Tab({ tab: tab });
michael@0: }
michael@0: exports.getTabForWindow = getTabForWindow;
michael@0: 
michael@0: // only works on fennec atm
michael@0: function getTabForRawTab(rawTab) {
michael@0:   let tab = rawTabNS(rawTab).tab;
michael@0:   if (tab) {
michael@0:     return tab;
michael@0:   }
michael@0:   return null;
michael@0: }
michael@0: exports.getTabForRawTab = getTabForRawTab;
michael@0: 
michael@0: function getTabForBrowser(browser) {
michael@0:   return getTabForRawTab(getRawTabForBrowser(browser));
michael@0: }
michael@0: exports.getTabForBrowser = getTabForBrowser;