зеркало из https://github.com/mozilla/gecko-dev.git
38 строки
1.2 KiB
JavaScript
38 строки
1.2 KiB
JavaScript
/* vim: set ts=2 sw=2 sts=2 et tw=80: */
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/* 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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var EXPORTED_SYMBOLS = ["PurgeSessionHistoryChild"];
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class PurgeSessionHistoryChild extends JSWindowActorChild {
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receiveMessage(message) {
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if (message.name != "Browser:PurgeSessionHistory") {
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return;
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}
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let sessionHistory = this.docShell.QueryInterface(Ci.nsIWebNavigation)
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.sessionHistory;
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if (!sessionHistory) {
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return;
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}
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// place the entry at current index at the end of the history list, so it won't get removed
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if (sessionHistory.index < sessionHistory.count - 1) {
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let legacy = sessionHistory.legacySHistory;
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let indexEntry = legacy.getEntryAtIndex(sessionHistory.index);
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indexEntry.QueryInterface(Ci.nsISHEntry);
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legacy.addEntry(indexEntry, true);
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}
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let purge = sessionHistory.count;
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if (this.document.location.href != "about:blank") {
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--purge; // Don't remove the page the user's staring at from shistory
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}
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if (purge > 0) {
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sessionHistory.legacySHistory.purgeHistory(purge);
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}
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}
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}
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