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: // TODO: BUG 792670 - remove dependency below
michael@0: const { browserWindows: windows } = require('../windows');
michael@0: const { tabs } = require('../windows/tabs-firefox');
michael@0: const { isPrivate } = require('../private-browsing');
michael@0: const { isWindowPBSupported } = require('../private-browsing/utils')
michael@0: const { isPrivateBrowsingSupported } = require('sdk/self');
michael@0: 
michael@0: const supportPrivateTabs = isPrivateBrowsingSupported && isWindowPBSupported;
michael@0: 
michael@0: function newTabWindow(options) {
michael@0:   // `tabs` option is under review and may be removed.
michael@0:   return windows.open({
michael@0:     tabs: [ options ],
michael@0:     isPrivate: options.isPrivate
michael@0:   });
michael@0: }
michael@0: 
michael@0: Object.defineProperties(tabs, {
michael@0:   open: { value: function open(options) {
michael@0:     if (options.inNewWindow) {
michael@0:         newTabWindow(options);
michael@0:         return undefined;
michael@0:     }
michael@0: 
michael@0:     let activeWindow = windows.activeWindow;
michael@0:     let privateState = (supportPrivateTabs && (options.isPrivate || isPrivate(activeWindow))) || false;
michael@0: 
michael@0:     // if the active window is in the state that we need then use it
michael@0:     if (activeWindow && (!supportPrivateTabs || privateState === isPrivate(activeWindow))) {
michael@0:       activeWindow.tabs.open(options);
michael@0:     }
michael@0:     else {
michael@0:       // find a window in the state that we need
michael@0:       let window = getWindow(privateState);
michael@0:       if (window) {
michael@0:         window.tabs.open(options);
michael@0:       }
michael@0:       // open a window in the state that we need
michael@0:       else {
michael@0:         newTabWindow(options);
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     return undefined;
michael@0:   }}
michael@0: });
michael@0: 
michael@0: function getWindow(privateState) {
michael@0:   for each (let window in windows) {
michael@0:     if (privateState === isPrivate(window)) {
michael@0:       return window;
michael@0:     }
michael@0:   }
michael@0:   return null;
michael@0: }
michael@0: 
michael@0: // Workaround for bug 674195. Freezing objects from other compartments fail,
michael@0: // so we use `Object.freeze` from the same component as objects
michael@0: // `hasOwnProperty`. Since `hasOwnProperty` here will be from other component
michael@0: // we override it to support our workaround.
michael@0: module.exports = Object.create(tabs, {
michael@0:   isPrototypeOf: { value: Object.prototype.isPrototypeOf }
michael@0: });