fune/browser/components/preferences/in-content/preferences.js

113 lines
3.8 KiB
JavaScript

/* - 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/. */
"use strict";
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
const Cr = Components.results;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
let gLastHash = "";
addEventListener("DOMContentLoaded", function onLoad() {
removeEventListener("DOMContentLoaded", onLoad);
init_all();
});
function init_all() {
document.documentElement.instantApply = true;
gMainPane.init();
gPrivacyPane.init();
gAdvancedPane.init();
gApplicationsPane.init();
gContentPane.init();
gSyncPane.init();
gSecurityPane.init();
var initFinished = document.createEvent("Event");
initFinished.initEvent("Initialized", true, true);
document.dispatchEvent(initFinished);
let categories = document.getElementById("categories");
categories.addEventListener("select", event => gotoPref(event.target.value));
document.documentElement.addEventListener("keydown", function(event) {
if (event.keyCode == KeyEvent.DOM_VK_TAB) {
categories.setAttribute("keyboard-navigation", "true");
}
});
categories.addEventListener("mousedown", function() {
this.removeAttribute("keyboard-navigation");
});
window.addEventListener("hashchange", onHashChange);
gotoPref();
// Wait until initialization of all preferences are complete before
// notifying observers that the UI is now ready.
Services.obs.notifyObservers(window, "advanced-pane-loaded", null);
}
function onHashChange() {
gotoPref();
}
function gotoPref(aCategory) {
let categories = document.getElementById("categories");
const kDefaultCategoryInternalName = categories.firstElementChild.value;
let hash = document.location.hash;
let category = aCategory || hash.substr(1) || kDefaultCategoryInternalName;
category = friendlyPrefCategoryNameToInternalName(category);
// Updating the hash (below) or changing the selected category
// will re-enter gotoPref.
if (gLastHash == category)
return;
let item = categories.querySelector(".category[value=" + category + "]");
if (!item) {
category = kDefaultCategoryInternalName;
item = categories.querySelector(".category[value=" + category + "]");
}
let newHash = internalPrefCategoryNameToFriendlyName(category);
if (gLastHash || category != kDefaultCategoryInternalName) {
document.location.hash = newHash;
}
// Need to set the gLastHash before setting categories.selectedItem since
// the categories 'select' event will re-enter the gotoPref codepath.
gLastHash = category;
categories.selectedItem = item;
window.history.replaceState(category, document.title);
search(category, "data-category");
}
function search(aQuery, aAttribute) {
let elements = document.getElementById("mainPrefPane").children;
for (let element of elements) {
let attributeValue = element.getAttribute(aAttribute);
element.hidden = (attributeValue != aQuery);
}
}
function helpButtonCommand() {
let pane = history.state;
let categories = document.getElementById("categories");
let helpTopic = categories.querySelector(".category[value=" + pane + "]")
.getAttribute("helpTopic");
openHelpLink(helpTopic);
}
function friendlyPrefCategoryNameToInternalName(aName) {
if (aName.startsWith("pane"))
return aName;
return "pane" + aName.substring(0,1).toUpperCase() + aName.substr(1);
}
// This function is duplicated inside of utilityOverlay.js's openPreferences.
function internalPrefCategoryNameToFriendlyName(aName) {
return (aName || "").replace(/^pane./, function(toReplace) { return toReplace[4].toLowerCase(); });
}