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: const { defer } = require('../core/promise');
michael@0: const events = require('../system/events');
michael@0: const { open: openWindow, onFocus, getToplevelWindow,
michael@0:         isInteractive, getOuterId } = require('./utils');
michael@0: const { Ci } = require("chrome");
michael@0: 
michael@0: function open(uri, options) {
michael@0:   return promise(openWindow.apply(null, arguments), 'load');
michael@0: }
michael@0: exports.open = open;
michael@0: 
michael@0: function close(window) {
michael@0:   let deferred = defer();
michael@0:   let toplevelWindow = getToplevelWindow(window);
michael@0:   let outerId = getOuterId(toplevelWindow);
michael@0:   events.on("outer-window-destroyed", function onclose({subject}) {
michael@0:     let id = subject.QueryInterface(Ci.nsISupportsPRUint64).data;
michael@0:     if (id == outerId) {
michael@0:       events.off("outer-window-destroyed", onclose);
michael@0:       deferred.resolve();
michael@0:     }
michael@0:   }, true);
michael@0:   window.close();
michael@0:   return deferred.promise;
michael@0: }
michael@0: exports.close = close;
michael@0: 
michael@0: function focus(window) {
michael@0:   let p = onFocus(window);
michael@0:   window.focus();
michael@0:   return p;
michael@0: }
michael@0: exports.focus = focus;
michael@0: 
michael@0: function ready(window) {
michael@0:   let { promise: result, resolve } = defer();
michael@0: 
michael@0:   if (isInteractive(window))
michael@0:     resolve(window);
michael@0:   else
michael@0:     resolve(promise(window, 'DOMContentLoaded'));
michael@0: 
michael@0:   return result;
michael@0: }
michael@0: exports.ready = ready;
michael@0: 
michael@0: function promise(target, evt, capture) {
michael@0:   let deferred = defer();
michael@0:   capture = !!capture;
michael@0: 
michael@0:   target.addEventListener(evt, function eventHandler() {
michael@0:     target.removeEventListener(evt, eventHandler, capture);
michael@0:     deferred.resolve(target);
michael@0:   }, capture);
michael@0: 
michael@0:   return deferred.promise;
michael@0: }
michael@0: exports.promise = promise;