forked from mirrors/gecko-dev
53 lines
1.8 KiB
JavaScript
53 lines
1.8 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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/**
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* Test that the reader mode button appears and works properly on
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* reader-able content.
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*/
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const TEST_PREFS = [
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["reader.parse-on-load.enabled", true],
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["browser.reader.detectedFirstArticle", false],
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];
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const TEST_PATH = "http://example.com/browser/browser/base/content/test/general/";
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var readerButton = document.getElementById("reader-mode-button");
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add_task(function* test_reader_button() {
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registerCleanupFunction(function() {
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// Reset test prefs.
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TEST_PREFS.forEach(([name, value]) => {
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Services.prefs.clearUserPref(name);
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});
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while (gBrowser.tabs.length > 1) {
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gBrowser.removeCurrentTab();
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}
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});
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// Set required test prefs.
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TEST_PREFS.forEach(([name, value]) => {
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Services.prefs.setBoolPref(name, value);
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});
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let tab = gBrowser.selectedTab = gBrowser.addTab();
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is_element_hidden(readerButton, "Reader mode button is not present on a new tab");
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// Point tab to a test page that is not reader-able due to hidden nodes.
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let url = TEST_PATH + "readerModeArticleHiddenNodes.html";
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let paintPromise = ContentTask.spawn(tab.linkedBrowser, "", function() {
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return new Promise(resolve => {
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addEventListener("DOMContentLoaded", function onDCL() {
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removeEventListener("DOMContentLoaded", onDCL);
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addEventListener("MozAfterPaint", function onPaint() {
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removeEventListener("MozAfterPaint", onPaint);
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resolve();
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});
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});
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});
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});
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tab.linkedBrowser.loadURI(url);
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yield paintPromise;
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is_element_hidden(readerButton, "Reader mode button is still not present on tab with unreadable content.");
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});
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