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gecko/browser/components/preferences/advanced.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>
# Steffen Wilberg <steffen.wilberg@web.de>
#
# 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 *****
// Load DownloadUtils module for convertByteUnits
Components.utils.import("resource://gre/modules/DownloadUtils.jsm");
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 extraArgs = window.arguments[1];
if (extraArgs && extraArgs["advancedTab"]){
advancedPrefs.selectedTab = document.getElementById(extraArgs["advancedTab"]);
} else {
var preference = document.getElementById("browser.preferences.advanced.selectedTabIndex");
if (preference.value !== null)
advancedPrefs.selectedIndex = preference.value;
}
#ifdef MOZ_UPDATER
this.updateReadPrefs();
#endif
this.updateOfflineApps();
#ifdef MOZ_CRASHREPORTER
this.initSubmitCrashes();
#endif
this.updateActualCacheSize();
},
/**
* 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;
},
/**
*
*/
initSubmitCrashes: function ()
{
var checkbox = document.getElementById("submitCrashesBox");
try {
var cr = Components.classes["@mozilla.org/toolkit/crash-reporter;1"].
getService(Components.interfaces.nsICrashReporter);
checkbox.checked = cr.submitReports;
} catch (e) {
checkbox.style.display = "none";
}
},
/**
*
*/
updateSubmitCrashes: function ()
{
var checkbox = document.getElementById("submitCrashesBox");
try {
var cr = Components.classes["@mozilla.org/toolkit/crash-reporter;1"].
getService(Components.interfaces.nsICrashReporter);
cr.submitReports = checkbox.checked;
} catch (e) { }
},
/**
* When the user toggles the layers.acceleration.disabled pref,
* sync its new value to the gfx.direct2d.disabled pref too.
*/
updateHardwareAcceleration: function()
{
#ifdef XP_WIN
var fromPref = document.getElementById("layers.acceleration.disabled");
var toPref = document.getElementById("gfx.direct2d.disabled");
toPref.value = fromPref.value;
#endif
},
// NETWORK TAB
/*
* Preferences:
*
* browser.cache.disk.capacity
* - the size of the browser cache in KB
* - Only used if browser.cache.disk.smart_size.enabled is disabled
*/
/**
* Displays a dialog in which proxy settings may be changed.
*/
showConnections: function ()
{
document.documentElement.openSubDialog("chrome://browser/content/preferences/connection.xul",
"", null);
},
// Retrieves the amount of space currently used by disk cache
updateActualCacheSize: function ()
{
var visitor = {
visitDevice: function (deviceID, deviceInfo)
{
if (deviceID == "disk") {
var actualSizeLabel = document.getElementById("actualCacheSize");
var sizeStrings = DownloadUtils.convertByteUnits(deviceInfo.totalSize);
var prefStrBundle = document.getElementById("bundlePreferences");
var sizeStr = prefStrBundle.getFormattedString("actualCacheSize",
sizeStrings);
actualSizeLabel.value = sizeStr;
}
// Do not enumerate entries
return false;
},
visitEntry: function (deviceID, entryInfo)
{
// Do not enumerate entries.
return false;
}
};
var cacheService =
Components.classes["@mozilla.org/network/cache-service;1"]
.getService(Components.interfaces.nsICacheService);
cacheService.visitEntries(visitor);
},
updateCacheSizeUI: function (smartSizeEnabled)
{
document.getElementById("useCacheBefore").disabled = smartSizeEnabled;
document.getElementById("cacheSize").disabled = smartSizeEnabled;
document.getElementById("useCacheAfter").disabled = smartSizeEnabled;
},
readSmartSizeEnabled: function ()
{
// The smart_size.enabled preference element is inverted="true", so its
// value is the opposite of the actual pref value
var disabled = document.getElementById("browser.cache.disk.smart_size.enabled").value;
this.updateCacheSizeUI(!disabled);
},
/**
* 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 / 1024;
},
/**
* 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 * 1024;
},
/**
* 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) {}
this.updateActualCacheSize();
},
readOfflineNotify: function()
{
var pref = document.getElementById("browser.offline-apps.notify");
var button = document.getElementById("offlineNotifyExceptions");
button.disabled = !pref.value;
return pref.value;
},
showOfflineExceptions: function()
{
var bundlePreferences = document.getElementById("bundlePreferences");
var params = { blockVisible : false,
sessionVisible : false,
allowVisible : false,
prefilledHost : "",
permissionType : "offline-app",
manageCapability : Components.interfaces.nsIPermissionManager.DENY_ACTION,
windowTitle : bundlePreferences.getString("offlinepermissionstitle"),
introText : bundlePreferences.getString("offlinepermissionstext") };
document.documentElement.openWindow("Browser:Permissions",
"chrome://browser/content/preferences/permissions.xul",
"", params);
},
// XXX: duplicated in browser.js
_getOfflineAppUsage: function (host, groups)
{
var cacheService = Components.classes["@mozilla.org/network/application-cache-service;1"].
getService(Components.interfaces.nsIApplicationCacheService);
if (!groups)
groups = cacheService.getGroups();
var ios = Components.classes["@mozilla.org/network/io-service;1"].
getService(Components.interfaces.nsIIOService);
var usage = 0;
for (var i = 0; i < groups.length; i++) {
var uri = ios.newURI(groups[i], null, null);
if (uri.asciiHost == host) {
var cache = cacheService.getActiveCache(groups[i]);
usage += cache.usage;
}
}
var storageManager = Components.classes["@mozilla.org/dom/storagemanager;1"].
getService(Components.interfaces.nsIDOMStorageManager);
usage += storageManager.getUsage(host);
return usage;
},
/**
* Updates the list of offline applications
*/
updateOfflineApps: function ()
{
var pm = Components.classes["@mozilla.org/permissionmanager;1"]
.getService(Components.interfaces.nsIPermissionManager);
var list = document.getElementById("offlineAppsList");
while (list.firstChild) {
list.removeChild(list.firstChild);
}
var cacheService = Components.classes["@mozilla.org/network/application-cache-service;1"].
getService(Components.interfaces.nsIApplicationCacheService);
var groups = cacheService.getGroups();
var bundle = document.getElementById("bundlePreferences");
var enumerator = pm.enumerator;
while (enumerator.hasMoreElements()) {
var perm = enumerator.getNext().QueryInterface(Components.interfaces.nsIPermission);
if (perm.type == "offline-app" &&
perm.capability != Components.interfaces.nsIPermissionManager.DEFAULT_ACTION &&
perm.capability != Components.interfaces.nsIPermissionManager.DENY_ACTION) {
var row = document.createElement("listitem");
row.id = "";
row.className = "offlineapp";
row.setAttribute("host", perm.host);
var converted = DownloadUtils.
convertByteUnits(this._getOfflineAppUsage(perm.host, groups));
row.setAttribute("usage",
bundle.getFormattedString("offlineAppUsage",
converted));
list.appendChild(row);
}
}
},
offlineAppSelected: function()
{
var removeButton = document.getElementById("offlineAppsListRemove");
var list = document.getElementById("offlineAppsList");
if (list.selectedItem) {
removeButton.setAttribute("disabled", "false");
} else {
removeButton.setAttribute("disabled", "true");
}
},
removeOfflineApp: function()
{
var list = document.getElementById("offlineAppsList");
var item = list.selectedItem;
var host = item.getAttribute("host");
var prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
.getService(Components.interfaces.nsIPromptService);
var flags = prompts.BUTTON_TITLE_IS_STRING * prompts.BUTTON_POS_0 +
prompts.BUTTON_TITLE_CANCEL * prompts.BUTTON_POS_1;
var bundle = document.getElementById("bundlePreferences");
var title = bundle.getString("offlineAppRemoveTitle");
var prompt = bundle.getFormattedString("offlineAppRemovePrompt", [host]);
var confirm = bundle.getString("offlineAppRemoveConfirm");
var result = prompts.confirmEx(window, title, prompt, flags, confirm,
null, null, null, {});
if (result != 0)
return;
// clear offline cache entries
var cacheService = Components.classes["@mozilla.org/network/application-cache-service;1"].
getService(Components.interfaces.nsIApplicationCacheService);
var ios = Components.classes["@mozilla.org/network/io-service;1"].
getService(Components.interfaces.nsIIOService);
var groups = cacheService.getGroups();
for (var i = 0; i < groups.length; i++) {
var uri = ios.newURI(groups[i], null, null);
if (uri.asciiHost == host) {
var cache = cacheService.getActiveCache(groups[i]);
cache.discard();
}
}
// send out an offline-app-removed signal. The nsDOMStorage
// service will clear DOM storage for this host.
var obs = Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
obs.notifyObservers(null, "offline-app-removed", host);
// remove the permission
var pm = Components.classes["@mozilla.org/permissionmanager;1"]
.getService(Components.interfaces.nsIPermissionManager);
pm.remove(host, "offline-app",
Components.interfaces.nsIPermissionManager.ALLOW_ACTION);
pm.remove(host, "offline-app",
Components.interfaces.nsIOfflineCacheUpdateService.ALLOW_NO_WARN);
list.removeChild(item);
gAdvancedPane.offlineAppSelected();
},
// 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
*/
#ifdef MOZ_UPDATER
/**
* Selects the item of the radiogroup, and sets the warnIncompatible checkbox
* based on the pref values and locked states.
*
* UI state matrix for update preference conditions
*
* UI Components: Preferences
* Radiogroup i = app.update.enabled
* Warn before disabling extensions checkbox ii = app.update.auto
* iii = app.update.mode
*
* Disabled states:
* Element pref value locked disabled
* radiogroup i t/f f false
* i t/f *t* *true*
* ii t/f f false
* ii t/f *t* *true*
* iii 0/1/2 t/f false
* warnIncompatible i t f false
* i t *t* *true*
* i *f* t/f *true*
* ii t f false
* ii t *t* *true*
* ii *f* t/f *true*
* iii 0/1/2 f false
* iii 0/1/2 *t* *true*
*/
updateReadPrefs: function ()
{
var enabledPref = document.getElementById("app.update.enabled");
var autoPref = document.getElementById("app.update.auto");
var radiogroup = document.getElementById("updateRadioGroup");
if (!enabledPref.value) // Don't care for autoPref.value in this case.
radiogroup.value="manual" // 3. Never check for updates.
else if (autoPref.value) // enabledPref.value && autoPref.value
radiogroup.value="auto"; // 1. Automatically install updates
else // enabledPref.value && !autoPref.value
radiogroup.value="checkOnly"; // 2. Check, but let me choose
var canCheck = Components.classes["@mozilla.org/updates/update-service;1"].
getService(Components.interfaces.nsIApplicationUpdateService).
canCheckForUpdates;
// canCheck is false if the enabledPref is false and locked,
// or the binary platform or OS version is not known.
// A locked pref is sufficient to disable the radiogroup.
radiogroup.disabled = !canCheck || enabledPref.locked || autoPref.locked;
var modePref = document.getElementById("app.update.mode");
var warnIncompatible = document.getElementById("warnIncompatible");
// the warnIncompatible checkbox value is set by readAddonWarn
warnIncompatible.disabled = radiogroup.disabled || modePref.locked ||
!enabledPref.value || !autoPref.value;
},
/**
* Sets the pref values based on the selected item of the radiogroup,
* and sets the disabled state of the warnIncompatible checkbox accordingly.
*/
updateWritePrefs: function ()
{
var enabledPref = document.getElementById("app.update.enabled");
var autoPref = document.getElementById("app.update.auto");
var radiogroup = document.getElementById("updateRadioGroup");
switch (radiogroup.value) {
case "auto": // 1. Automatically install updates
enabledPref.value = true;
autoPref.value = true;
break;
case "checkOnly": // 2. Check, but let me choose
enabledPref.value = true;
autoPref.value = false;
break;
case "manual": // 3. Never check for updates.
enabledPref.value = false;
autoPref.value = false;
}
var warnIncompatible = document.getElementById("warnIncompatible");
var modePref = document.getElementById("app.update.mode");
warnIncompatible.disabled = enabledPref.locked || !enabledPref.value ||
autoPref.locked || !autoPref.value ||
modePref.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.mode 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 warn = preference.value != 0;
gAdvancedPane._modePreference = warn ? preference.value : 1;
return warn;
},
/**
* 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);
},
#endif
/**
* 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;
},
// 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);
}
#ifdef HAVE_SHELL_SERVICE
,
// SYSTEM DEFAULTS
/*
* Preferences:
*
* browser.shell.checkDefault
* - true if a default-browser check (and prompt to make it so if necessary)
* occurs at startup, false otherwise
*/
/**
* Checks whether the browser is currently registered with the operating
* system as the default browser. If the browser is not currently the
* default browser, the user is given the option of making it the default;
* otherwise, the user is informed that this browser already is the browser.
*/
checkNow: function ()
{
var shellSvc = Components.classes["@mozilla.org/browser/shell-service;1"]
.getService(Components.interfaces.nsIShellService);
var brandBundle = document.getElementById("bundleBrand");
var shellBundle = document.getElementById("bundleShell");
var brandShortName = brandBundle.getString("brandShortName");
var promptTitle = shellBundle.getString("setDefaultBrowserTitle");
var promptMessage;
const IPS = Components.interfaces.nsIPromptService;
var psvc = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
.getService(IPS);
if (!shellSvc.isDefaultBrowser(false)) {
promptMessage = shellBundle.getFormattedString("setDefaultBrowserMessage",
[brandShortName]);
var rv = psvc.confirmEx(window, promptTitle, promptMessage,
IPS.STD_YES_NO_BUTTONS,
null, null, null, null, { });
if (rv == 0)
shellSvc.setDefaultBrowser(true, false);
}
else {
promptMessage = shellBundle.getFormattedString("alreadyDefaultBrowser",
[brandShortName]);
psvc.alert(window, promptTitle, promptMessage);
}
}
#endif
};
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