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gecko/browser/components/preferences/privacy.js

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/*
# -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is the Firefox Preferences System.
#
# The Initial Developer of the Original Code is
# Ben Goodger.
# Portions created by the Initial Developer are Copyright (C) 2005
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Ben Goodger <ben@mozilla.org>
# Jeff Walden <jwalden+code@mit.edu>
# Ehsan Akhgari <ehsan.akhgari@gmail.com>
# Roberto Estrada <roberto.estrada@yahoo.es>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
*/
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
var gPrivacyPane = {
/**
* Whether the use has selected the auto-start private browsing mode in the UI.
*/
_autoStartPrivateBrowsing: false,
/**
* Sets up the UI for the number of days of history to keep, and updates the
* label of the "Clear Now..." button.
*/
init: function ()
{
this._updateHistoryDaysUI();
this._updateSanitizeSettingsButton();
this.initializeHistoryMode();
this.updateHistoryModePane();
this.updatePrivacyMicroControls();
this.initAutoStartPrivateBrowsingObserver();
},
// HISTORY MODE
/**
* The list of preferences which affect the initial history mode settings.
* If the auto start private browsing mode pref is active, the initial
* history mode would be set to "Don't remember anything".
* If all of these preferences have their default values, and the auto-start
* private browsing mode is not active, the initial history mode would be
* set to "Remember everything".
* Otherwise, the initial history mode would be set to "Custom".
*
* Extensions adding their own preferences can append their IDs to this array if needed.
*/
prefsForDefault: [
"browser.history_expire_days",
"browser.history_expire_days_min",
"browser.download.manager.retention",
"browser.formfill.enable",
"network.cookie.cookieBehavior",
"network.cookie.lifetimePolicy",
"privacy.sanitize.sanitizeOnShutdown"
],
/**
* The list of control IDs which are dependent on the auto-start private
* browsing setting, such that in "Custom" mode they would be disabled if
* the auto-start private browsing checkbox is checked, and enabled otherwise.
*
* Extensions adding their own controls can append their IDs to this array if needed.
*/
dependentControls: [
"rememberHistoryDays",
"rememberAfter",
"rememberDownloads",
"rememberForms",
"keepUntil",
"keepCookiesUntil",
"alwaysClear",
"clearDataSettings"
],
/**
* Check whether all the preferences values are set to their default values
*
* @param aPrefs an array of pref names to check for
* @returns boolean true if all of the prefs are set to their default values,
* false otherwise
*/
_checkDefaultValues: function(aPrefs) {
for (let i = 0; i < aPrefs.length; ++i) {
let pref = document.getElementById(aPrefs[i]);
if (pref.value != pref.defaultValue)
return false;
}
return true;
},
/**
* Initialize the history mode menulist based on the privacy preferences
*/
initializeHistoryMode: function PPP_initializeHistoryMode()
{
let mode;
let getVal = function (aPref)
document.getElementById(aPref).value;
if (getVal("browser.privatebrowsing.autostart"))
mode = "dontremember";
else if (this._checkDefaultValues(this.prefsForDefault))
mode = "remember";
else
mode = "custom";
document.getElementById("historyMode").value = mode;
},
/**
* Update the selected pane based on the history mode menulist
*/
updateHistoryModePane: function PPP_updateHistoryModePane()
{
let selectedIndex = -1;
switch (document.getElementById("historyMode").value) {
case "remember":
selectedIndex = 0;
break;
case "dontremember":
selectedIndex = 1;
break;
case "custom":
selectedIndex = 2;
break;
}
document.getElementById("historyPane").selectedIndex = selectedIndex;
},
/**
* Update the private browsing auto-start pref and the history mode
* micro-management prefs based on the history mode menulist
*/
updateHistoryModePrefs: function PPP_updateHistoryModePrefs()
{
let pref = document.getElementById("browser.privatebrowsing.autostart");
switch (document.getElementById("historyMode").value) {
case "remember":
pref.value = false;
// select the remember history option if needed
let rememberHistoryCheckbox = document.getElementById("rememberHistoryDays");
if (!rememberHistoryCheckbox.checked) {
rememberHistoryCheckbox.checked = true;
this.onchangeHistoryDaysCheck();
}
// select the remember downloads option if needed
if (!document.getElementById("rememberDownloads").checked)
document.getElementById("browser.download.manager.retention").value = 2;
// select the remember forms history option
document.getElementById("browser.formfill.enable").value = true;
// select the accept cookies option
document.getElementById("network.cookie.cookieBehavior").value = 0;
// select the cookie lifetime policy option
document.getElementById("network.cookie.lifetimePolicy").value = 0;
// select the clear on close option
document.getElementById("privacy.sanitize.sanitizeOnShutdown").value = false;
break;
case "dontremember":
pref.value = true;
break;
}
},
/**
* Update the privacy micro-management controls based on the
* value of the private browsing auto-start checkbox.
*/
updatePrivacyMicroControls: function PPP_updatePrivacyMicroControls()
{
if (document.getElementById("historyMode").value == "custom") {
let disabled = this._autoStartPrivateBrowsing =
document.getElementById("privateBrowsingAutoStart").checked;
this.dependentControls
.forEach(function (aElement)
document.getElementById(aElement).disabled = disabled);
// adjust the cookie controls status
this.readAcceptCookies();
document.getElementById("keepCookiesUntil").value = disabled ? 2 :
document.getElementById("network.cookie.lifetimePolicy").value;
// adjust the checked state of the sanitizeOnShutdown checkbox
document.getElementById("alwaysClear").checked = disabled ? false :
document.getElementById("privacy.sanitize.sanitizeOnShutdown").value;
// adjust the checked state of the remember history checkboxes
document.getElementById("rememberHistoryDays").checked = disabled ? false :
document.getElementById("browser.history_expire_days").value > 0;
this.onchangeHistoryDaysCheck();
document.getElementById("rememberDownloads").checked = disabled ? false :
this.readDownloadRetention();
document.getElementById("rememberForms").checked = disabled ? false :
document.getElementById("browser.formfill.enable").value;
if (!disabled) {
// adjust the Settings button for sanitizeOnShutdown
this._updateSanitizeSettingsButton();
}
}
},
// PRIVATE BROWSING
/**
* Install the observer for the auto-start private browsing mode pref.
*/
initAutoStartPrivateBrowsingObserver: function PPP_initAutoStartPrivateBrowsingObserver()
{
let prefService = document.getElementById("privacyPreferences")
.service
.QueryInterface(Components.interfaces.nsIPrefBranch2);
prefService.addObserver("browser.privatebrowsing.autostart",
this.autoStartPrivateBrowsingObserver,
true);
},
autoStartPrivateBrowsingObserver:
{
QueryInterface: XPCOMUtils.generateQI([Components.interfaces.nsIObserver,
Components.interfaces.nsISupportsWeakReference]),
observe: function PPP_observe(aSubject, aTopic, aData)
{
let privateBrowsingService = Components.classes["@mozilla.org/privatebrowsing;1"].
getService(Components.interfaces.nsIPrivateBrowsingService);
// Toggle the private browsing mode without switching the session
let prefValue = document.getElementById("browser.privatebrowsing.autostart").value;
let keepCurrentSession = document.getElementById("browser.privatebrowsing.keep_current_session");
keepCurrentSession.value = true;
// If activating from within the private browsing mode, reset the
// private session
if (prefValue && privateBrowsingService.privateBrowsingEnabled)
privateBrowsingService.privateBrowsingEnabled = false;
privateBrowsingService.privateBrowsingEnabled = prefValue;
keepCurrentSession.reset();
}
},
// HISTORY
/**
* Read the location bar enabled and suggestion prefs
* @return Int value for suggestion menulist
*/
readSuggestionPref: function PPP_readSuggestionPref()
{
let getVal = function(aPref)
document.getElementById("browser.urlbar." + aPref).value;
// Suggest nothing if autocomplete is not enabled
if (!getVal("autocomplete.enabled"))
return -1;
// Bottom 2 bits of default.behavior specify history/bookmark
return getVal("default.behavior") & 3;
},
/**
* Write the location bar enabled and suggestion prefs when necessary
* @return Bool value for enabled pref
*/
writeSuggestionPref: function PPP_writeSuggestionPref()
{
let menuVal = document.getElementById("locationBarSuggestion").value;
let enabled = menuVal != -1;
// Only update default.behavior if we're giving suggestions
if (enabled) {
// Put the selected menu item's value directly into the bottom 2 bits
let behavior = document.getElementById("browser.urlbar.default.behavior");
behavior.value = behavior.value >> 2 << 2 | menuVal;
}
// Always update the enabled pref
return enabled;
},
/*
* Preferences:
*
* NOTE: These first two are no longer shown in the UI. They're controlled
* via the checkbox, which uses the zero state of the pref to turn
* history off.
* browser.history_expire_days
* - the number of days of history to remember
* browser.history_expire_days.mirror
* - a preference whose value mirrors that of browser.history_expire_days, to
* make the "days of history" checkbox easier to code
*
* browser.history_expire_days_min
* - the mininum number of days of history to remember
* browser.history_expire_days_min.mirror
* - a preference whose value mirrors that of browser.history_expire_days_min
* to make the "days of history" checkbox easier to code
* browser.formfill.enable
* - true if entries in forms and the search bar should be saved, false
* otherwise
* browser.download.manager.retention
* - determines when downloads are automatically removed from the download
* manager:
*
* 0 means remove downloads when they finish downloading
* 1 means downloads will be removed when the browser quits
* 2 means never remove downloads
*/
/**
* Initializes the days-of-history mirror preference and connects it to the
* days-of-history checkbox so that updates to the textbox are transmitted to
* the real days-of-history preference.
*/
_updateHistoryDaysUI: function ()
{
var pref = document.getElementById("browser.history_expire_days");
var mirror = document.getElementById("browser.history_expire_days.mirror");
var pref_min = document.getElementById("browser.history_expire_days_min");
var textbox = document.getElementById("historyDays");
var checkbox = document.getElementById("rememberHistoryDays");
// handle mirror non-existence or mirror/pref unsync
if (mirror.value === null || mirror.value != pref.value ||
(mirror.value == pref.value && mirror.value == 0) )
mirror.value = pref.value ? pref.value : pref.defaultValue;
checkbox.checked = (pref.value > 0);
textbox.disabled = !checkbox.checked;
},
/**
* Responds to the checking or unchecking of the days-of-history UI, storing
* the appropriate value to the days-of-history preference and enabling or
* disabling the number textbox as appropriate.
*/
onchangeHistoryDaysCheck: function ()
{
var pref = document.getElementById("browser.history_expire_days");
var mirror = document.getElementById("browser.history_expire_days.mirror");
var textbox = document.getElementById("historyDays");
var checkbox = document.getElementById("rememberHistoryDays");
if (!this._autoStartPrivateBrowsing)
pref.value = checkbox.checked ? mirror.value : 0;
textbox.disabled = !checkbox.checked;
},
/**
* Responds to changes in the days-of-history textbox,
* unchecking the history-enabled checkbox if the days
* value is zero.
*/
onkeyupHistoryDaysText: function ()
{
var textbox = document.getElementById("historyDays");
var checkbox = document.getElementById("rememberHistoryDays");
checkbox.checked = textbox.value != 0;
},
/**
* Converts the value of the browser.download.manager.retention preference
* into a Boolean value. "remove on close" and "don't remember" both map
* to an unchecked checkbox, while "remember" maps to a checked checkbox.
*/
readDownloadRetention: function ()
{
var pref = document.getElementById("browser.download.manager.retention");
return (pref.value == 2);
},
/**
* Returns the appropriate value of the browser.download.manager.retention
* preference for the current UI.
*/
writeDownloadRetention: function ()
{
var checkbox = document.getElementById("rememberDownloads");
return checkbox.checked ? 2 : 0;
},
// COOKIES
/*
* Preferences:
*
* network.cookie.cookieBehavior
* - determines how the browser should handle cookies:
* 0 means enable all cookies
* 1 means reject third party cookies; see
* netwerk/cookie/src/nsCookieService.cpp for a hairier definition
* 2 means disable all cookies
* network.cookie.lifetimePolicy
* - determines how long cookies are stored:
* 0 means keep cookies until they expire
* 1 means ask how long to keep each cookie
* 2 means keep cookies until the browser is closed
*/
/**
* Reads the network.cookie.cookieBehavior preference value and
* enables/disables the rest of the cookie UI accordingly, returning true
* if cookies are enabled.
*/
readAcceptCookies: function ()
{
var pref = document.getElementById("network.cookie.cookieBehavior");
var acceptThirdParty = document.getElementById("acceptThirdParty");
var keepUntil = document.getElementById("keepUntil");
var menu = document.getElementById("keepCookiesUntil");
// enable the rest of the UI for anything other than "disable all cookies"
var acceptCookies = (pref.value != 2);
acceptThirdParty.disabled = !acceptCookies;
keepUntil.disabled = menu.disabled = this._autoStartPrivateBrowsing || !acceptCookies;
return acceptCookies;
},
readAcceptThirdPartyCookies: function ()
{
var pref = document.getElementById("network.cookie.cookieBehavior");
return pref.value == 0;
},
/**
* Enables/disables the "keep until" label and menulist in response to the
* "accept cookies" checkbox being checked or unchecked.
*/
writeAcceptCookies: function ()
{
var accept = document.getElementById("acceptCookies");
var acceptThirdParty = document.getElementById("acceptThirdParty");
// if we're enabling cookies, automatically check 'accept third party'
if (accept.checked)
acceptThirdParty.checked = true;
return accept.checked ? (acceptThirdParty.checked ? 0 : 1) : 2;
},
writeAcceptThirdPartyCookies: function ()
{
var accept = document.getElementById("acceptCookies");
var acceptThirdParty = document.getElementById("acceptThirdParty");
return accept.checked ? (acceptThirdParty.checked ? 0 : 1) : 2;
},
/**
* Displays fine-grained, per-site preferences for cookies.
*/
showCookieExceptions: function ()
{
var bundlePreferences = document.getElementById("bundlePreferences");
var params = { blockVisible : true,
sessionVisible : true,
allowVisible : true,
prefilledHost : "",
permissionType : "cookie",
windowTitle : bundlePreferences.getString("cookiepermissionstitle"),
introText : bundlePreferences.getString("cookiepermissionstext") };
document.documentElement.openWindow("Browser:Permissions",
"chrome://browser/content/preferences/permissions.xul",
"", params);
},
/**
* Displays all the user's cookies in a dialog.
*/
showCookies: function (aCategory)
{
document.documentElement.openWindow("Browser:Cookies",
"chrome://browser/content/preferences/cookies.xul",
"", null);
},
// CLEAR PRIVATE DATA
/*
* Preferences:
*
* privacy.sanitize.sanitizeOnShutdown
* - true if the user's private data is cleared on startup according to the
* Clear Private Data settings, false otherwise
*/
/**
* Displays the Clear Private Data settings dialog.
*/
showClearPrivateDataSettings: function ()
{
document.documentElement.openSubDialog("chrome://browser/content/preferences/sanitize.xul",
"", null);
},
/**
* Displays a dialog from which individual parts of private data may be
* cleared.
*/
clearPrivateDataNow: function (aClearEverything)
{
var ts = document.getElementById("privacy.sanitize.timeSpan");
var timeSpanOrig = ts.value;
if (aClearEverything)
ts.value = 0;
const Cc = Components.classes, Ci = Components.interfaces;
var glue = Cc["@mozilla.org/browser/browserglue;1"]
.getService(Ci.nsIBrowserGlue);
glue.sanitize(window || null);
// reset the timeSpan pref
if (aClearEverything)
ts.value = timeSpanOrig;
},
/**
* Enables or disables the "Settings..." button depending
* on the privacy.sanitize.sanitizeOnShutdown preference value
*/
_updateSanitizeSettingsButton: function () {
var settingsButton = document.getElementById("clearDataSettings");
var sanitizeOnShutdownPref = document.getElementById("privacy.sanitize.sanitizeOnShutdown");
settingsButton.disabled = !sanitizeOnShutdownPref.value;
}
};
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