1 /* vim: set ts=2 sw=2 sts=2 et tw=80: */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 var EXPORTED_SYMBOLS = ["PurgeSessionHistoryChild"];
9 const {ActorChild} = ChromeUtils.import("resource://gre/modules/ActorChild.jsm");
11 class PurgeSessionHistoryChild extends ActorChild {
12 receiveMessage(message) {
13 if (message.name != "Browser:PurgeSessionHistory") {
16 let sessionHistory = this.docShell.QueryInterface(Ci.nsIWebNavigation).sessionHistory;
17 if (!sessionHistory) {
21 // place the entry at current index at the end of the history list, so it won't get removed
22 if (sessionHistory.index < sessionHistory.count - 1) {
23 let legacy = sessionHistory.legacySHistory;
24 let indexEntry = legacy.getEntryAtIndex(sessionHistory.index);
25 indexEntry.QueryInterface(Ci.nsISHEntry);
26 legacy.addEntry(indexEntry, true);
29 let purge = sessionHistory.count;
30 if (this.content.location.href != "about:blank") {
31 --purge; // Don't remove the page the user's staring at from shistory
35 sessionHistory.legacySHistory.PurgeHistory(purge);