gecko-dev/browser/components/preferences/content.js

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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
# Google Inc.
# Portions created by the Initial Developer are Copyright (C) 2005
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Ben Goodger <ben@mozilla.org>
# Asaf Romano <mozilla.mano@sent.com>
# 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 gContentPane = {
/**
* Initializes the fonts dropdowns displayed in this pane.
*/
init: function ()
{
this._rebuildFonts();
var menulist = document.getElementById("defaultFont");
if (menulist.selectedIndex == -1) {
menulist.insertItemAt(0, "", "", "");
menulist.selectedIndex = 0;
}
},
// UTILITY FUNCTIONS
/**
* Utility function to enable/disable the button specified by aButtonID based
* on the value of the Boolean preference specified by aPreferenceID.
*/
updateButtons: function (aButtonID, aPreferenceID)
{
var button = document.getElementById(aButtonID);
var preference = document.getElementById(aPreferenceID);
button.disabled = preference.value != true;
return undefined;
},
/**
* The exceptions types which may be passed to this._showExceptions().
*/
_exceptionsParams: {
popup: { blockVisible: false, sessionVisible: false, allowVisible: true, prefilledHost: "", permissionType: "popup" },
image: { blockVisible: true, sessionVisible: false, allowVisible: true, prefilledHost: "", permissionType: "image" }
},
/**
* Displays the exceptions dialog of the given type, where types map onto the
* the fields in this._exceptionsParams.
*/
_showExceptions: function (aPermissionType)
{
var bundlePreferences = document.getElementById("bundlePreferences");
var params = this._exceptionsParams[aPermissionType];
params.windowTitle = bundlePreferences.getString(aPermissionType + "permissionstitle");
params.introText = bundlePreferences.getString(aPermissionType + "permissionstext");
document.documentElement.openWindow("Browser:Permissions",
"chrome://browser/content/preferences/permissions.xul",
"", params);
},
// BEGIN UI CODE
/*
* Preferences:
*
* dom.disable_open_during_load
* - true if popups are blocked by default, false otherwise
* permissions.default.image
* - an integer:
* 1 all images should be loaded,
* 2 no images should be loaded,
* 3 load only images from the site on which the current page resides
* (i.e., if viewing foo.example.com, foo.example.com/foo.jpg and
* bar.foo.example.com/bar.jpg load but example.com/quux.jpg does not)
* javascript.enabled
* - true if JavaScript is enabled, false otherwise
*/
// POP-UPS
/**
* Displays the popup exceptions dialog where specific site popup preferences
* can be set.
*/
showPopupExceptions: function ()
{
this._showExceptions("popup");
},
// IMAGES
/**
* Converts the value of the permissions.default.image preference into a
* Boolean value for use in determining the state of the "load images"
* checkbox, returning true if images should be loaded and false otherwise.
*/
readLoadImages: function ()
{
var pref = document.getElementById("permissions.default.image");
return (pref.value == 1 || pref.value == 3);
},
/**
* Returns the "load images" preference value which maps to the state of the
* preferences UI.
*/
writeLoadImages: function ()
{
return (document.getElementById("loadImages").checked) ? 1 : 2;
},
/**
* Displays image exception preferences for which websites can and cannot
* load images.
*/
showImageExceptions: function ()
{
this._showExceptions("image");
},
// JAVASCRIPT
/**
* Displays the advanced JavaScript preferences for enabling or disabling
* various annoying behaviors.
*/
showAdvancedJS: function ()
{
document.documentElement.openSubDialog("chrome://browser/content/preferences/advanced-scripts.xul",
"", null);
},
// FONTS
/**
* Populates the default font list in UI.
*/
_rebuildFonts: function ()
{
var langGroupPref = document.getElementById("font.language.group");
this._selectDefaultLanguageGroup(langGroupPref.value,
this._readDefaultFontTypeForLanguage(langGroupPref.value) == "serif");
},
/**
*
*/
_selectDefaultLanguageGroup: function (aLanguageGroup, aIsSerif)
{
const kFontNameFmtSerif = "font.name.serif.%LANG%";
const kFontNameFmtSansSerif = "font.name.sans-serif.%LANG%";
const kFontNameListFmtSerif = "font.name-list.serif.%LANG%";
const kFontNameListFmtSansSerif = "font.name-list.sans-serif.%LANG%";
const kFontSizeFmtVariable = "font.size.variable.%LANG%";
var prefs = [{ format : aIsSerif ? kFontNameFmtSerif : kFontNameFmtSansSerif,
type : "fontname",
element : "defaultFont",
fonttype : aIsSerif ? "serif" : "sans-serif" },
{ format : aIsSerif ? kFontNameListFmtSerif : kFontNameListFmtSansSerif,
type : "unichar",
element : null,
fonttype : aIsSerif ? "serif" : "sans-serif" },
{ format : kFontSizeFmtVariable,
type : "int",
element : "defaultFontSize",
fonttype : null }];
var preferences = document.getElementById("contentPreferences");
for (var i = 0; i < prefs.length; ++i) {
var preference = document.getElementById(prefs[i].format.replace(/%LANG%/, aLanguageGroup));
if (!preference) {
preference = document.createElement("preference");
var name = prefs[i].format.replace(/%LANG%/, aLanguageGroup);
preference.id = name;
preference.setAttribute("name", name);
preference.setAttribute("type", prefs[i].type);
preferences.appendChild(preference);
}
if (!prefs[i].element)
continue;
var element = document.getElementById(prefs[i].element);
if (element) {
element.setAttribute("preference", preference.id);
if (prefs[i].fonttype)
FontBuilder.buildFontList(aLanguageGroup, prefs[i].fonttype, element);
preference.setElementValue(element);
}
}
},
/**
* Returns the type of the current default font for the language denoted by
* aLanguageGroup.
*/
_readDefaultFontTypeForLanguage: function (aLanguageGroup)
{
const kDefaultFontType = "font.default.%LANG%";
var defaultFontTypePref = kDefaultFontType.replace(/%LANG%/, aLanguageGroup);
var preference = document.getElementById(defaultFontTypePref);
if (!preference) {
preference = document.createElement("preference");
preference.id = defaultFontTypePref;
preference.setAttribute("name", defaultFontTypePref);
preference.setAttribute("type", "string");
preference.setAttribute("onchange", "gContentPane._rebuildFonts();");
document.getElementById("contentPreferences").appendChild(preference);
}
return preference.value;
},
/**
* Displays the fonts dialog, where web page font names and sizes can be
* configured.
*/
configureFonts: function ()
{
document.documentElement.openSubDialog("chrome://browser/content/preferences/fonts.xul",
"", null);
},
/**
* Displays the colors dialog, where default web page/link/etc. colors can be
* configured.
*/
configureColors: function ()
{
document.documentElement.openSubDialog("chrome://browser/content/preferences/colors.xul",
"", null);
},
// LANGUAGES
/**
* Shows a dialog in which the preferred language for web content may be set.
*/
showLanguages: function ()
{
document.documentElement.openSubDialog("chrome://browser/content/preferences/languages.xul",
"", null);
}
};