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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* Test that the reader mode button appears and works properly on
* reader-able content.
*/
const TEST_PREFS = [
["reader.parse-on-load.enabled", true],
["browser.reader.detectedFirstArticle", false],
];
const TEST_PATH = getRootDirectory(gTestPath).replace("chrome://mochitests/content", "http://example.com");
var readerButton = document.getElementById("reader-mode-button");
add_task(function* test_reader_button() {
registerCleanupFunction(function() {
// Reset test prefs.
TEST_PREFS.forEach(([name, value]) => {
Services.prefs.clearUserPref(name);
});
while (gBrowser.tabs.length > 1) {
gBrowser.removeCurrentTab();
}
});
// Set required test prefs.
TEST_PREFS.forEach(([name, value]) => {
Services.prefs.setBoolPref(name, value);
});
let tab = gBrowser.selectedTab = gBrowser.addTab();
is_element_hidden(readerButton, "Reader mode button is not present on a new tab");
// Point tab to a test page that is not reader-able due to hidden nodes.
let url = TEST_PATH + "readerModeArticleHiddenNodes.html";
let paintPromise = ContentTask.spawn(tab.linkedBrowser, "", function() {
return new Promise(resolve => {
addEventListener("DOMContentLoaded", function onDCL() {
removeEventListener("DOMContentLoaded", onDCL);
addEventListener("MozAfterPaint", function onPaint() {
removeEventListener("MozAfterPaint", onPaint);
resolve();
});
});
});
});
tab.linkedBrowser.loadURI(url);
yield paintPromise;
is_element_hidden(readerButton, "Reader mode button is still not present on tab with unreadable content.");
});
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