41 lines
1.1 KiB
JavaScript
41 lines
1.1 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 { defer } = require('../core/promise');
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const { open: openWindow, onFocus } = require('./utils');
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function open(uri, options) {
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return promise(openWindow.apply(null, arguments), 'load');
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}
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exports.open = open;
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function close(window) {
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// unload event could happen so fast that it is not resolved
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// if we listen to unload after calling close()
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let p = promise(window, 'unload');
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window.close();
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return p;
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}
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exports.close = close;
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function focus(window) {
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let p = onFocus(window);
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window.focus();
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return p;
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}
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exports.focus = focus;
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function promise(target, evt, capture) {
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let deferred = defer();
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capture = !!capture;
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target.addEventListener(evt, function eventHandler() {
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target.removeEventListener(evt, eventHandler, capture);
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deferred.resolve(target);
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}, capture);
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return deferred.promise;
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}
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exports.promise = promise; |