mirror of
https://github.com/Feodor2/Mypal68.git
synced 2025-06-19 07:15:36 -04:00
52 lines
1.6 KiB
JavaScript
52 lines
1.6 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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add_task(async function() {
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// make sure that the next closed tab will increase getClosedTabCount
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let max_tabs_undo = Services.prefs.getIntPref(
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"browser.sessionstore.max_tabs_undo"
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);
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Services.prefs.setIntPref(
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"browser.sessionstore.max_tabs_undo",
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max_tabs_undo + 1
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);
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registerCleanupFunction(() =>
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Services.prefs.clearUserPref("browser.sessionstore.max_tabs_undo")
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);
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// Empty the list of closed tabs.
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while (ss.getClosedTabCount(window)) {
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ss.forgetClosedTab(window, 0);
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}
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// restore a blank tab
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let tab = BrowserTestUtils.addTab(gBrowser, "about:mozilla");
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await promiseBrowserLoaded(tab.linkedBrowser);
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let count = await promiseSHistoryCount(tab.linkedBrowser);
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ok(count >= 1, "the new tab does have at least one history entry");
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await promiseTabState(tab, { entries: [] });
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// We may have a different sessionHistory object if the tab
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// switched from non-remote to remote.
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count = await promiseSHistoryCount(tab.linkedBrowser);
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is(count, 0, "the tab was restored without any history whatsoever");
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await promiseRemoveTabAndSessionState(tab);
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is(
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ss.getClosedTabCount(window),
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0,
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"The closed blank tab wasn't added to Recently Closed Tabs"
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);
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});
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function promiseSHistoryCount(browser) {
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return ContentTask.spawn(browser, null, async function() {
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return docShell.QueryInterface(Ci.nsIWebNavigation).sessionHistory.count;
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});
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}
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