зеркало из https://github.com/mozilla/gecko-dev.git
44 строки
1.1 KiB
JavaScript
44 строки
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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
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Cu.importGlobalProperties(["URL"]);
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this.EXPORTED_SYMBOLS = ["navigate"];
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this.navigate = {};
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/**
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* Determines if we expect to get a DOM load event (DOMContentLoaded)
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* on navigating to the |url|.
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*
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* @param {string} url
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* Destination URL
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*
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* @return {boolean}
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* Full page load would be expected if url gets loaded.
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*
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* @throws TypeError
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* If |url| is an invalid URL.
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*/
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navigate.isLoadEventExpected = function (url) {
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// assume we will go somewhere exciting
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if (typeof url == "undefined") {
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throw TypeError("Expected destination URL");
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}
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switch (new URL(url).protocol) {
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// assume javascript:<whatever> will modify current document
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// but this is not an entirely safe assumption to make,
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// considering it could be used to set window.location
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case "javascript:":
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return false;
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}
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return true;
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};
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