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72d929e113
Manage private browsing mode in content pref service. CPS should be available in private browsing mode, but should not store informations on disk, and should clear all informations once the private session ends. When setting a pref in private mode, it is stored in an in-memory hash table. When getting a pref, it is retrieved from that hash table if available. Otherwise, it is retrieved using the standard mechanism. When removing a pref, it is retrieved from the hash table. The rationale is that in private mode, it's ok to read a pref from normal database, but not ok to set it. The in-memory hash table is cleared when leaving the private browsing mode. When removing a set of preferences (with removeGroupedPrefs or removePrefsByName), preferences are removed from the in-memory hashtable, *and* from normal mode database. The rationale is that visiting a website may trigger setting/getting/removing for a specific preference only. But removing many prefs at once is the result of an action not associated with a website. For example, user may wish to delete all its informations. In that case, user probably expects to not have those informations restored once it leaves private browsing mode.
146 lines
5.5 KiB
JavaScript
146 lines
5.5 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Content Preference Service Tests.
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*
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* The Initial Developer of the Original Code is
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* Arno Renevier.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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var prefObserver = {
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setCalledNum: 0,
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onContentPrefSet: function(aGroup, aName, aValue) {
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this.setCalledNum++;
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},
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removedCalledNum: 0,
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onContentPrefRemoved: function(aGroup, aName) {
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this.removedCalledNum++;
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}
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};
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function run_test() {
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var pbs;
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try {
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pbs = Cc["@mozilla.org/privatebrowsing;1"].getService(Ci.nsIPrivateBrowsingService);
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} catch(e) {
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// Private Browsing might not be available
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return;
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}
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Cc["@mozilla.org/preferences-service;1"].
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getService(Ci.nsIPrefBranch).
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setBoolPref("browser.privatebrowsing.keep_current_session", true);
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var cps = Cc["@mozilla.org/content-pref/service;1"].getService(Ci.nsIContentPrefService);
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cps.removeGroupedPrefs();
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var uri = ContentPrefTest.getURI("http://www.example.com/");
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var group = cps.grouper.group(uri);
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// first, set a pref in normal mode
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cps.setPref(uri, "value", "foo");
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cps.setPref(null, "value-global", "foo-global");
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var num;
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cps.addObserver("value", prefObserver);
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cps.addObserver("value-global", prefObserver);
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pbs.privateBrowsingEnabled = true;
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// test setPref
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num = prefObserver.setCalledNum;
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cps.setPref(uri, "value", "foo-private-browsing");
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do_check_eq(cps.hasPref(uri, "value"), true);
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do_check_eq(cps.getPref(uri, "value"), "foo-private-browsing");
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do_check_eq(prefObserver.setCalledNum, num + 1);
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num = prefObserver.setCalledNum;
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cps.setPref(null, "value-global", "foo-private-browsing-global");
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do_check_eq(cps.hasPref(null, "value-global"), true);
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do_check_eq(cps.getPref(null, "value-global"), "foo-private-browsing-global");
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do_check_eq(prefObserver.setCalledNum, num + 1);
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// test removePref
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num = prefObserver.removedCalledNum;
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cps.removePref(uri, "value");
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do_check_eq(cps.hasPref(uri, "value"), true);
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// fallback to non private mode value
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do_check_eq(cps.getPref(uri, "value"), "foo");
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do_check_eq(prefObserver.removedCalledNum, num + 1);
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num = prefObserver.removedCalledNum;
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cps.removePref(null, "value-global");
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do_check_eq(cps.hasPref(null, "value-global"), true);
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// fallback to non private mode value
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do_check_eq(cps.getPref(null, "value-global"), "foo-global") ;
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do_check_eq(prefObserver.removedCalledNum, num + 1);
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// test removeGroupedPrefs
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cps.setPref(uri, "value", "foo-private-browsing");
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cps.removeGroupedPrefs();
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do_check_eq(cps.hasPref(uri, "value"), false);
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do_check_eq(cps.getPref(uri, "value"), undefined);
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cps.setPref(null, "value-global", "foo-private-browsing-global");
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cps.removeGroupedPrefs();
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do_check_eq(cps.hasPref(null, "value-global"), true);
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do_check_eq(cps.getPref(null, "value-global"), "foo-private-browsing-global");
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// test removePrefsByName
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num = prefObserver.removedCalledNum;
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cps.setPref(uri, "value", "foo-private-browsing");
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cps.removePrefsByName("value");
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do_check_eq(cps.hasPref(uri, "value"), false);
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do_check_eq(cps.getPref(uri, "value"), undefined);
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do_check_true(prefObserver.removedCalledNum > num);
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num = prefObserver.removedCalledNum;
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cps.setPref(null, "value-global", "foo-private-browsing");
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cps.removePrefsByName("value-global");
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do_check_eq(cps.hasPref(null, "value-global"), false);
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do_check_eq(cps.getPref(null, "value-global"), undefined);
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do_check_true(prefObserver.removedCalledNum > num);
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// test getPrefs
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cps.setPref(uri, "value", "foo-private-browsing");
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do_check_eq(cps.getPrefs(uri).getProperty("value"), "foo-private-browsing");
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cps.setPref(null, "value-global", "foo-private-browsing-global");
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do_check_eq(cps.getPrefs(null).getProperty("value-global"), "foo-private-browsing-global");
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// test getPrefsByName
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do_check_eq(cps.getPrefsByName("value").getProperty(group), "foo-private-browsing");
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do_check_eq(cps.getPrefsByName("value-global").getProperty(null), "foo-private-browsing-global");
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cps.removeObserver("value", prefObserver);
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cps.removeObserver("value-global", prefObserver);
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}
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