gecko/browser/components/preferences/advanced.js

403 lines
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JavaScript

# -*- 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>
#
# 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 *****
var gAdvancedPane = {
_inited: false,
/**
* Brings the appropriate tab to the front and initializes various bits of UI.
*/
init: function ()
{
this._inited = true;
var advancedPrefs = document.getElementById("advancedPrefs");
var preference = document.getElementById("browser.preferences.advanced.selectedTabIndex");
if (preference.value === null)
return;
advancedPrefs.selectedIndex = preference.value;
this.updateAppUpdateItems();
this.updateAutoItems();
this.updateModeItems();
},
/**
* Stores the identity of the current tab in preferences so that the selected
* tab can be persisted between openings of the preferences window.
*/
tabSelectionChanged: function ()
{
if (!this._inited)
return;
var advancedPrefs = document.getElementById("advancedPrefs");
var preference = document.getElementById("browser.preferences.advanced.selectedTabIndex");
preference.valueFromPreferences = advancedPrefs.selectedIndex;
},
// GENERAL TAB
/*
* Preferences:
*
* accessibility.browsewithcaret
* - true enables keyboard navigation and selection within web pages using a
* visible caret, false uses normal keyboard navigation with no caret
* accessibility.typeaheadfind
* - when set to true, typing outside text areas and input boxes will
* automatically start searching for what's typed within the current
* document; when set to false, no search action happens
* general.autoScroll
* - when set to true, clicking the scroll wheel on the mouse activates a
* mouse mode where moving the mouse down scrolls the document downward with
* speed correlated with the distance of the cursor from the original
* position at which the click occurred (and likewise with movement upward);
* if false, this behavior is disabled
* general.smoothScroll
* - set to true to enable finer page scrolling than line-by-line on page-up,
* page-down, and other such page movements
* layout.spellcheckDefault
* - an integer:
* 0 disables spellchecking
* 1 enables spellchecking, but only for multiline text fields
* 2 enables spellchecking for all text fields
*/
/**
* Stores the original value of the spellchecking preference to enable proper
* restoration if unchanged (since we're mapping a tristate onto a checkbox).
*/
_storedSpellCheck: 0,
/**
* Returns true if any spellchecking is enabled and false otherwise, caching
* the current value to enable proper pref restoration if the checkbox is
* never changed.
*/
readCheckSpelling: function ()
{
var pref = document.getElementById("layout.spellcheckDefault");
this._storedSpellCheck = pref.value;
return (pref.value != 0);
},
/**
* Returns the value of the spellchecking preference represented by UI,
* preserving the preference's "hidden" value if the preference is
* unchanged and represents a value not strictly allowed in UI.
*/
writeCheckSpelling: function ()
{
var checkbox = document.getElementById("checkSpelling");
return checkbox.checked ? (this._storedSpellCheck == 2 ? 2 : 1) : 0;
},
// NETWORK TAB
/*
* Preferences:
*
* browser.cache.disk.capacity
* - the size of the browser cache in KB
*/
/**
* Displays a dialog in which proxy settings may be changed.
*/
showConnections: function ()
{
document.documentElement.openSubDialog("chrome://browser/content/preferences/connection.xul",
"", null);
},
/**
* Converts the cache size from units of KB to units of MB and returns that
* value.
*/
readCacheSize: function ()
{
var preference = document.getElementById("browser.cache.disk.capacity");
return preference.value / 1000;
},
/**
* Converts the cache size as specified in UI (in MB) to KB and returns that
* value.
*/
writeCacheSize: function ()
{
var cacheSize = document.getElementById("cacheSize");
var intValue = parseInt(cacheSize.value, 10);
return isNaN(intValue) ? 0 : intValue * 1000;
},
/**
* Clears the cache.
*/
clearCache: function ()
{
var cacheService = Components.classes["@mozilla.org/network/cache-service;1"]
.getService(Components.interfaces.nsICacheService);
try {
cacheService.evictEntries(Components.interfaces.nsICache.STORE_ANYWHERE);
} catch(ex) {}
},
// UPDATE TAB
/*
* Preferences:
*
* app.update.enabled
* - true if updates to the application are enabled, false otherwise
* extensions.update.enabled
* - true if updates to extensions and themes are enabled, false otherwise
* browser.search.update
* - true if updates to search engines are enabled, false otherwise
* app.update.auto
* - true if updates should be automatically downloaded and installed,
* possibly with a warning if incompatible extensions are installed (see
* app.update.mode); false if the user should be asked what he wants to do
* when an update is available
* app.update.mode
* - an integer:
* 0 do not warn if an update will disable extensions or themes
* 1 warn if an update will disable extensions or themes
* 2 warn if an update will disable extensions or themes *or* if the
* update is a major update
*/
/**
* Enables and disables various UI preferences as necessary to reflect locked,
* disabled, and checked/unchecked states.
*
* UI state matrix for update preference conditions
*
* UI Components: Preferences
* 1 = Firefox checkbox i = app.update.enabled
* 2 = When updates for Firefox are found label ii = app.update.auto
* 3 = Automatic Radiogroup (Ask vs. Automatically) iii = app.update.mode
* 4 = Warn before disabling extensions checkbox
*
* States:
* Element p val locked Disabled
* 1 i t/f f false
* i t/f t true
* ii t/f t/f false
* iii 0/1/2 t/f false
* 2,3 i t t/f false
* i f t/f true
* ii t/f f false
* ii t/f t true
* iii 0/1/2 t/f false
* 4 i t t/f false
* i f t/f true
* ii t t/f false
* ii f t/f true
* iii 0/1/2 f false
* iii 0/1/2 t true
*
*/
updateAppUpdateItems: function ()
{
var aus =
Components.classes["@mozilla.org/updates/update-service;1"].
getService(Components.interfaces.nsIApplicationUpdateService);
var enabledPref = document.getElementById("app.update.enabled");
var enableAppUpdate = document.getElementById("enableAppUpdate");
enableAppUpdate.disabled = !aus.canUpdate || enabledPref.locked;
},
/**
* Enables/disables UI for "when updates are found" based on the values,
* and "locked" states of associated preferences.
*/
updateAutoItems: function ()
{
var enabledPref = document.getElementById("app.update.enabled");
var autoPref = document.getElementById("app.update.auto");
var updateModeLabel = document.getElementById("updateModeLabel");
var updateMode = document.getElementById("updateMode");
var disable = enabledPref.locked || !enabledPref.value ||
autoPref.locked;
updateModeLabel.disabled = updateMode.disabled = disable;
},
/**
* Enables/disables the "warn if incompatible extensions/themes exist" UI
* based on the values and "locked" states of various preferences.
*/
updateModeItems: function ()
{
var enabledPref = document.getElementById("app.update.enabled");
var autoPref = document.getElementById("app.update.auto");
var modePref = document.getElementById("app.update.mode");
var warnIncompatible = document.getElementById("warnIncompatible");
var disable = enabledPref.locked || !enabledPref.value || autoPref.locked ||
!autoPref.value || modePref.locked;
warnIncompatible.disabled = disable;
},
/**
* The Extensions checkbox and button are disabled only if the enable Addon
* update preference is locked.
*/
updateAddonUpdateUI: function ()
{
var enabledPref = document.getElementById("extensions.update.enabled");
var enableAddonUpdate = document.getElementById("enableAddonUpdate");
enableAddonUpdate.disabled = enabledPref.locked;
},
/**
* Stores the value of the app.update.mode preference, which is a tristate
* integer preference. We store the value here so that we can properly
* restore the preference value if the UI reflecting the preference value
* is in a state which can represent either of two integer values (as
* opposed to only one possible value in the other UI state).
*/
_modePreference: -1,
/**
* Reads the app.update.mode preference and converts its value into a
* true/false value for use in determining whether the "Warn me if this will
* disable extensions or themes" checkbox is checked. We also save the value
* of the preference so that the preference value can be properly restored if
* the user's preferences cannot adequately be expressed by a single checkbox.
*
* app.update.modee Checkbox State Meaning
* 0 Unchecked Do not warn
* 1 Checked Warn if there are incompatibilities
* 2 Checked Warn if there are incompatibilities,
* or the update is major.
*/
readAddonWarn: function ()
{
var preference = document.getElementById("app.update.mode");
var doNotWarn = preference.value != 0;
gAdvancedPane._modePreference = doNotWarn ? preference.value : 1;
return doNotWarn;
},
/**
* Converts the state of the "Warn me if this will disable extensions or
* themes" checkbox into the integer preference which represents it,
* returning that value.
*/
writeAddonWarn: function ()
{
var warnIncompatible = document.getElementById("warnIncompatible");
return !warnIncompatible.checked ? 0 : gAdvancedPane._modePreference;
},
/**
* Displays the history of installed updates.
*/
showUpdates: function ()
{
var prompter = Components.classes["@mozilla.org/updates/update-prompt;1"]
.createInstance(Components.interfaces.nsIUpdatePrompt);
prompter.showUpdateHistory(window);
},
// ENCRYPTION TAB
/*
* Preferences:
*
* security.enable_ssl3
* - true if SSL 3 encryption is enabled, false otherwise
* security.enable_tls
* - true if TLS encryption is enabled, false otherwise
* security.default_personal_cert
* - a string:
* "Select Automatically" select a certificate automatically when a site
* requests one
* "Ask Every Time" present a dialog to the user so he can select
* the certificate to use on a site which
* requests one
*/
/**
* Displays the user's certificates and associated options.
*/
showCertificates: function ()
{
document.documentElement.openWindow("mozilla:certmanager",
"chrome://pippki/content/certManager.xul",
"", null);
},
/**
* Displays a dialog which describes the user's CRLs.
*/
showCRLs: function ()
{
document.documentElement.openWindow("Mozilla:CRLManager",
"chrome://pippki/content/crlManager.xul",
"", null);
},
/**
* Displays a dialog in which OCSP preferences can be configured.
*/
showOCSP: function ()
{
document.documentElement.openSubDialog("chrome://mozapps/content/preferences/ocsp.xul",
"", null);
},
/**
* Displays a dialog from which the user can manage his security devices.
*/
showSecurityDevices: function ()
{
document.documentElement.openWindow("mozilla:devicemanager",
"chrome://pippki/content/device_manager.xul",
"", null);
}
};