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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /browser/components/preferences/in-content/privacy.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+Components.utils.import("resource://gre/modules/AppConstants.jsm");
+Components.utils.import("resource://gre/modules/PluralForm.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "ContextualIdentityService",
+ "resource://gre/modules/ContextualIdentityService.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "PluralForm",
+ "resource://gre/modules/PluralForm.jsm");
+
+var gPrivacyPane = {
+
+ /**
+ * Whether the use has selected the auto-start private browsing mode in the UI.
+ */
+ _autoStartPrivateBrowsing: false,
+
+ /**
+ * Whether the prompt to restart Firefox should appear when changing the autostart pref.
+ */
+ _shouldPromptForRestart: true,
+
+ /**
+ * Show the Tracking Protection UI depending on the
+ * privacy.trackingprotection.ui.enabled pref, and linkify its Learn More link
+ */
+ _initTrackingProtection: function () {
+ if (!Services.prefs.getBoolPref("privacy.trackingprotection.ui.enabled")) {
+ return;
+ }
+
+ let link = document.getElementById("trackingProtectionLearnMore");
+ let url = Services.urlFormatter.formatURLPref("app.support.baseURL") + "tracking-protection";
+ link.setAttribute("href", url);
+
+ this.trackingProtectionReadPrefs();
+
+ document.getElementById("trackingprotectionbox").hidden = false;
+ document.getElementById("trackingprotectionpbmbox").hidden = true;
+ },
+
+ /**
+ * Linkify the Learn More link of the Private Browsing Mode Tracking
+ * Protection UI.
+ */
+ _initTrackingProtectionPBM: function () {
+ let link = document.getElementById("trackingProtectionPBMLearnMore");
+ let url = Services.urlFormatter.formatURLPref("app.support.baseURL") + "tracking-protection-pbm";
+ link.setAttribute("href", url);
+ },
+
+ /**
+ * Initialize autocomplete to ensure prefs are in sync.
+ */
+ _initAutocomplete: function () {
+ Components.classes["@mozilla.org/autocomplete/search;1?name=unifiedcomplete"]
+ .getService(Components.interfaces.mozIPlacesAutoComplete);
+ },
+
+ /**
+ * Show the Containers UI depending on the privacy.userContext.ui.enabled pref.
+ */
+ _initBrowserContainers: function () {
+ if (!Services.prefs.getBoolPref("privacy.userContext.ui.enabled")) {
+ return;
+ }
+
+ let link = document.getElementById("browserContainersLearnMore");
+ link.href = Services.urlFormatter.formatURLPref("app.support.baseURL") + "containers";
+
+ document.getElementById("browserContainersbox").hidden = false;
+
+ document.getElementById("browserContainersCheckbox").checked =
+ Services.prefs.getBoolPref("privacy.userContext.enabled");
+ },
+
+ _checkBrowserContainers: function(event) {
+ let checkbox = document.getElementById("browserContainersCheckbox");
+ if (checkbox.checked) {
+ Services.prefs.setBoolPref("privacy.userContext.enabled", true);
+ return;
+ }
+
+ let count = ContextualIdentityService.countContainerTabs();
+ if (count == 0) {
+ Services.prefs.setBoolPref("privacy.userContext.enabled", false);
+ return;
+ }
+
+ let bundlePreferences = document.getElementById("bundlePreferences");
+
+ let title = bundlePreferences.getString("disableContainersAlertTitle");
+ let message = PluralForm.get(count, bundlePreferences.getString("disableContainersMsg"))
+ .replace("#S", count)
+ let okButton = PluralForm.get(count, bundlePreferences.getString("disableContainersOkButton"))
+ .replace("#S", count)
+ let cancelButton = bundlePreferences.getString("disableContainersButton2");
+
+ let buttonFlags = (Ci.nsIPrompt.BUTTON_TITLE_IS_STRING * Ci.nsIPrompt.BUTTON_POS_0) +
+ (Ci.nsIPrompt.BUTTON_TITLE_IS_STRING * Ci.nsIPrompt.BUTTON_POS_1);
+
+ let rv = Services.prompt.confirmEx(window, title, message, buttonFlags,
+ okButton, cancelButton, null, null, {});
+ if (rv == 0) {
+ ContextualIdentityService.closeAllContainerTabs();
+ Services.prefs.setBoolPref("privacy.userContext.enabled", false);
+ return;
+ }
+
+ checkbox.checked = true;
+ },
+
+ /**
+ * Sets up the UI for the number of days of history to keep, and updates the
+ * label of the "Clear Now..." button.
+ */
+ init: function ()
+ {
+ function setEventListener(aId, aEventType, aCallback)
+ {
+ document.getElementById(aId)
+ .addEventListener(aEventType, aCallback.bind(gPrivacyPane));
+ }
+
+ this._updateSanitizeSettingsButton();
+ this.initializeHistoryMode();
+ this.updateHistoryModePane();
+ this.updatePrivacyMicroControls();
+ this.initAutoStartPrivateBrowsingReverter();
+ this._initTrackingProtection();
+ this._initTrackingProtectionPBM();
+ this._initAutocomplete();
+ this._initBrowserContainers();
+
+ setEventListener("privacy.sanitize.sanitizeOnShutdown", "change",
+ gPrivacyPane._updateSanitizeSettingsButton);
+ setEventListener("browser.privatebrowsing.autostart", "change",
+ gPrivacyPane.updatePrivacyMicroControls);
+ setEventListener("historyMode", "command", function () {
+ gPrivacyPane.updateHistoryModePane();
+ gPrivacyPane.updateHistoryModePrefs();
+ gPrivacyPane.updatePrivacyMicroControls();
+ gPrivacyPane.updateAutostart();
+ });
+ setEventListener("historyRememberClear", "click", function () {
+ gPrivacyPane.clearPrivateDataNow(false);
+ return false;
+ });
+ setEventListener("historyRememberCookies", "click", function () {
+ gPrivacyPane.showCookies();
+ return false;
+ });
+ setEventListener("historyDontRememberClear", "click", function () {
+ gPrivacyPane.clearPrivateDataNow(true);
+ return false;
+ });
+ setEventListener("doNotTrackSettings", "click", function () {
+ gPrivacyPane.showDoNotTrackSettings();
+ return false;
+ });
+ setEventListener("privateBrowsingAutoStart", "command",
+ gPrivacyPane.updateAutostart);
+ setEventListener("cookieExceptions", "command",
+ gPrivacyPane.showCookieExceptions);
+ setEventListener("showCookiesButton", "command",
+ gPrivacyPane.showCookies);
+ setEventListener("clearDataSettings", "command",
+ gPrivacyPane.showClearPrivateDataSettings);
+ setEventListener("trackingProtectionRadioGroup", "command",
+ gPrivacyPane.trackingProtectionWritePrefs);
+ setEventListener("trackingProtectionExceptions", "command",
+ gPrivacyPane.showTrackingProtectionExceptions);
+ setEventListener("changeBlockList", "command",
+ gPrivacyPane.showBlockLists);
+ setEventListener("changeBlockListPBM", "command",
+ gPrivacyPane.showBlockLists);
+ setEventListener("browserContainersCheckbox", "command",
+ gPrivacyPane._checkBrowserContainers);
+ setEventListener("browserContainersSettings", "command",
+ gPrivacyPane.showContainerSettings);
+ },
+
+ // TRACKING PROTECTION MODE
+
+ /**
+ * Selects the right item of the Tracking Protection radiogroup.
+ */
+ trackingProtectionReadPrefs() {
+ let enabledPref = document.getElementById("privacy.trackingprotection.enabled");
+ let pbmPref = document.getElementById("privacy.trackingprotection.pbmode.enabled");
+ let radiogroup = document.getElementById("trackingProtectionRadioGroup");
+
+ // Global enable takes precedence over enabled in Private Browsing.
+ if (enabledPref.value) {
+ radiogroup.value = "always";
+ } else if (pbmPref.value) {
+ radiogroup.value = "private";
+ } else {
+ radiogroup.value = "never";
+ }
+ },
+
+ /**
+ * Sets the pref values based on the selected item of the radiogroup.
+ */
+ trackingProtectionWritePrefs() {
+ let enabledPref = document.getElementById("privacy.trackingprotection.enabled");
+ let pbmPref = document.getElementById("privacy.trackingprotection.pbmode.enabled");
+ let radiogroup = document.getElementById("trackingProtectionRadioGroup");
+
+ switch (radiogroup.value) {
+ case "always":
+ enabledPref.value = true;
+ pbmPref.value = true;
+ break;
+ case "private":
+ enabledPref.value = false;
+ pbmPref.value = true;
+ break;
+ case "never":
+ enabledPref.value = false;
+ pbmPref.value = false;
+ break;
+ }
+ },
+
+ // 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 are set to the values that correspond
+ * to keeping some part of history, 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 set values here if needed.
+ */
+ prefsForKeepingHistory: {
+ "places.history.enabled": true, // History is enabled
+ "browser.formfill.enable": true, // Form information is saved
+ "network.cookie.cookieBehavior": 0, // All cookies are enabled
+ "network.cookie.lifetimePolicy": 0, // Cookies use supplied lifetime
+ "privacy.sanitize.sanitizeOnShutdown": false, // Private date is NOT cleared on shutdown
+ },
+
+ /**
+ * 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: [
+ "rememberHistory",
+ "rememberForms",
+ "keepUntil",
+ "keepCookiesUntil",
+ "alwaysClear",
+ "clearDataSettings"
+ ],
+
+ /**
+ * Check whether preferences values are set to keep history
+ *
+ * @param aPrefs an array of pref names to check for
+ * @returns boolean true if all of the prefs are set to keep history,
+ * false otherwise
+ */
+ _checkHistoryValues: function(aPrefs) {
+ for (let pref of Object.keys(aPrefs)) {
+ if (document.getElementById(pref).value != aPrefs[pref])
+ return false;
+ }
+ return true;
+ },
+
+ /**
+ * Initialize the history mode menulist based on the privacy preferences
+ */
+ initializeHistoryMode: function PPP_initializeHistoryMode()
+ {
+ let mode;
+ let getVal = aPref => document.getElementById(aPref).value;
+
+ if (this._checkHistoryValues(this.prefsForKeepingHistory)) {
+ if (getVal("browser.privatebrowsing.autostart"))
+ mode = "dontremember";
+ else
+ 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":
+ if (pref.value)
+ pref.value = false;
+
+ // select the remember history option if needed
+ let rememberHistoryCheckbox = document.getElementById("rememberHistory");
+ if (!rememberHistoryCheckbox.checked)
+ rememberHistoryCheckbox.checked = true;
+
+ // select the remember forms history option
+ document.getElementById("browser.formfill.enable").value = true;
+
+ // select the allow 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":
+ if (!pref.value)
+ 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) {
+ let control = document.getElementById(aElement);
+ let preferenceId = control.getAttribute("preference");
+ if (!preferenceId) {
+ let dependentControlId = control.getAttribute("control");
+ if (dependentControlId) {
+ let dependentControl = document.getElementById(dependentControlId);
+ preferenceId = dependentControl.getAttribute("preference");
+ }
+ }
+
+ let preference = preferenceId ? document.getElementById(preferenceId) : {};
+ control.disabled = disabled || preference.locked;
+ });
+
+ // adjust the cookie controls status
+ this.readAcceptCookies();
+ let lifetimePolicy = document.getElementById("network.cookie.lifetimePolicy").value;
+ if (lifetimePolicy != Ci.nsICookieService.ACCEPT_NORMALLY &&
+ lifetimePolicy != Ci.nsICookieService.ACCEPT_SESSION &&
+ lifetimePolicy != Ci.nsICookieService.ACCEPT_FOR_N_DAYS) {
+ lifetimePolicy = Ci.nsICookieService.ACCEPT_NORMALLY;
+ }
+ document.getElementById("keepCookiesUntil").value = disabled ? 2 : lifetimePolicy;
+
+ // 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("rememberHistory").checked = disabled ? false :
+ document.getElementById("places.history.enabled").value;
+ document.getElementById("rememberForms").checked = disabled ? false :
+ document.getElementById("browser.formfill.enable").value;
+
+ if (!disabled) {
+ // adjust the Settings button for sanitizeOnShutdown
+ this._updateSanitizeSettingsButton();
+ }
+ }
+ },
+
+ // PRIVATE BROWSING
+
+ /**
+ * Initialize the starting state for the auto-start private browsing mode pref reverter.
+ */
+ initAutoStartPrivateBrowsingReverter: function PPP_initAutoStartPrivateBrowsingReverter()
+ {
+ let mode = document.getElementById("historyMode");
+ let autoStart = document.getElementById("privateBrowsingAutoStart");
+ this._lastMode = mode.selectedIndex;
+ this._lastCheckState = autoStart.hasAttribute('checked');
+ },
+
+ _lastMode: null,
+ _lastCheckState: null,
+ updateAutostart: function PPP_updateAutostart() {
+ let mode = document.getElementById("historyMode");
+ let autoStart = document.getElementById("privateBrowsingAutoStart");
+ let pref = document.getElementById("browser.privatebrowsing.autostart");
+ if ((mode.value == "custom" && this._lastCheckState == autoStart.checked) ||
+ (mode.value == "remember" && !this._lastCheckState) ||
+ (mode.value == "dontremember" && this._lastCheckState)) {
+ // These are all no-op changes, so we don't need to prompt.
+ this._lastMode = mode.selectedIndex;
+ this._lastCheckState = autoStart.hasAttribute('checked');
+ return;
+ }
+
+ if (!this._shouldPromptForRestart) {
+ // We're performing a revert. Just let it happen.
+ return;
+ }
+
+ let buttonIndex = confirmRestartPrompt(autoStart.checked, 1,
+ true, false);
+ if (buttonIndex == CONFIRM_RESTART_PROMPT_RESTART_NOW) {
+ pref.value = autoStart.hasAttribute('checked');
+ let appStartup = Cc["@mozilla.org/toolkit/app-startup;1"]
+ .getService(Ci.nsIAppStartup);
+ appStartup.quit(Ci.nsIAppStartup.eAttemptQuit | Ci.nsIAppStartup.eRestart);
+ return;
+ }
+
+ this._shouldPromptForRestart = false;
+
+ if (this._lastCheckState) {
+ autoStart.checked = "checked";
+ } else {
+ autoStart.removeAttribute('checked');
+ }
+ pref.value = autoStart.hasAttribute('checked');
+ mode.selectedIndex = this._lastMode;
+ mode.doCommand();
+
+ this._shouldPromptForRestart = true;
+ },
+
+ /**
+ * Displays fine-grained, per-site preferences for tracking protection.
+ */
+ showTrackingProtectionExceptions() {
+ let bundlePreferences = document.getElementById("bundlePreferences");
+ let params = {
+ permissionType: "trackingprotection",
+ hideStatusColumn: true,
+ windowTitle: bundlePreferences.getString("trackingprotectionpermissionstitle"),
+ introText: bundlePreferences.getString("trackingprotectionpermissionstext"),
+ };
+ gSubDialog.open("chrome://browser/content/preferences/permissions.xul",
+ null, params);
+ },
+
+ /**
+ * Displays container panel for customising and adding containers.
+ */
+ showContainerSettings() {
+ gotoPref("containers");
+ },
+
+ /**
+ * Displays the available block lists for tracking protection.
+ */
+ showBlockLists: function ()
+ {
+ var bundlePreferences = document.getElementById("bundlePreferences");
+ let brandName = document.getElementById("bundleBrand")
+ .getString("brandShortName");
+ var params = { brandShortName: brandName,
+ windowTitle: bundlePreferences.getString("blockliststitle"),
+ introText: bundlePreferences.getString("blockliststext") };
+ gSubDialog.open("chrome://browser/content/preferences/blocklists.xul",
+ null, params);
+ },
+
+ /**
+ * Displays the Do Not Track settings dialog.
+ */
+ showDoNotTrackSettings() {
+ gSubDialog.open("chrome://browser/content/preferences/donottrack.xul",
+ "resizable=no");
+ },
+
+ // HISTORY
+
+ /*
+ * Preferences:
+ *
+ * places.history.enabled
+ * - whether history is enabled or not
+ * browser.formfill.enable
+ * - true if entries in forms and the search bar should be saved, false
+ * otherwise
+ */
+
+ // COOKIES
+
+ /*
+ * Preferences:
+ *
+ * network.cookie.cookieBehavior
+ * - determines how the browser should handle cookies:
+ * 0 means enable all cookies
+ * 1 means reject all third party cookies
+ * 2 means disable all cookies
+ * 3 means reject third party cookies unless at least one is already set for the eTLD
+ * see netwerk/cookie/src/nsCookieService.cpp for details
+ * network.cookie.lifetimePolicy
+ * - determines how long cookies are stored:
+ * 0 means keep cookies until they expire
+ * 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 acceptThirdPartyLabel = document.getElementById("acceptThirdPartyLabel");
+ var acceptThirdPartyMenu = document.getElementById("acceptThirdPartyMenu");
+ 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);
+
+ acceptThirdPartyLabel.disabled = acceptThirdPartyMenu.disabled = !acceptCookies;
+ keepUntil.disabled = menu.disabled = this._autoStartPrivateBrowsing || !acceptCookies;
+
+ return acceptCookies;
+ },
+
+ /**
+ * 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 acceptThirdPartyMenu = document.getElementById("acceptThirdPartyMenu");
+
+ // if we're enabling cookies, automatically select 'accept third party always'
+ if (accept.checked)
+ acceptThirdPartyMenu.selectedIndex = 0;
+
+ return accept.checked ? 0 : 2;
+ },
+
+ /**
+ * Converts between network.cookie.cookieBehavior and the third-party cookie UI
+ */
+ readAcceptThirdPartyCookies: function ()
+ {
+ var pref = document.getElementById("network.cookie.cookieBehavior");
+ switch (pref.value)
+ {
+ case 0:
+ return "always";
+ case 1:
+ return "never";
+ case 2:
+ return "never";
+ case 3:
+ return "visited";
+ default:
+ return undefined;
+ }
+ },
+
+ writeAcceptThirdPartyCookies: function ()
+ {
+ var accept = document.getElementById("acceptThirdPartyMenu").selectedItem;
+ switch (accept.value)
+ {
+ case "always":
+ return 0;
+ case "visited":
+ return 3;
+ case "never":
+ return 1;
+ default:
+ return undefined;
+ }
+ },
+
+ /**
+ * 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") };
+ gSubDialog.open("chrome://browser/content/preferences/permissions.xul",
+ null, params);
+ },
+
+ /**
+ * Displays all the user's cookies in a dialog.
+ */
+ showCookies: function (aCategory)
+ {
+ gSubDialog.open("chrome://browser/content/preferences/cookies.xul");
+ },
+
+ // 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 ()
+ {
+ gSubDialog.open("chrome://browser/content/preferences/sanitize.xul", "resizable=no");
+ },
+
+
+ /**
+ * 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;
+ }
+
+ gSubDialog.open("chrome://browser/content/sanitize.xul", "resizable=no", null, () => {
+ // reset the timeSpan pref
+ if (aClearEverything) {
+ ts.value = timeSpanOrig;
+ }
+
+ Services.obs.notifyObservers(null, "clear-private-data", null);
+ });
+ },
+
+ /**
+ * 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;
+ },
+
+ // CONTAINERS
+
+ /*
+ * preferences:
+ *
+ * privacy.userContext.enabled
+ * - true if containers is enabled
+ */
+
+ /**
+ * Enables/disables the Settings button used to configure containers
+ */
+ readBrowserContainersCheckbox: function ()
+ {
+ var pref = document.getElementById("privacy.userContext.enabled");
+ var settings = document.getElementById("browserContainersSettings");
+
+ settings.disabled = !pref.value;
+ }
+
+};