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

72 lines
1.9 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");
function init_all() {
document.documentElement.instantApply = true;
window.history.replaceState("landing", document.title);
window.addEventListener("popstate", onStatePopped, true);
updateCommands();
gMainPane.init();
#ifdef XP_WIN
gTabsPane.init();
#endif
gPrivacyPane.init();
var initFinished = document.createEvent("Event");
initFinished.initEvent("Initialized", true, true);
document.dispatchEvent(initFinished);
}
function gotoPref(page) {
search(page, "data-category");
window.history.pushState(page, document.title);
updateCommands();
}
function cmd_back() {
window.history.back();
}
function cmd_forward() {
window.history.forward();
}
function onStatePopped(aEvent) {
updateCommands();
search(aEvent.state, "data-category");
}
function updateCommands() {
document.getElementById("back-btn").disabled = !canGoBack();
document.getElementById("forward-btn").disabled = !canGoForward();
}
function canGoBack() {
return window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.canGoBack;
}
function canGoForward() {
return window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.canGoForward;
}
function search(aQuery, aAttribute) {
let elements = document.getElementById("mainPrefPane").children;
for (let element of elements) {
let attributeValue = element.getAttribute(aAttribute);
element.hidden = (attributeValue != aQuery);
}
}