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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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
var {AppConstants} = ChromeUtils.import(
);
const kTabToLinks = 4;
const kTabToForms = 2;
const kTabToTextboxes = 1;
function Startup()
{
if (AppConstants.platform == "macosx") {
document.getElementById("tabNavigationPrefs").setAttribute("hidden", true);
}
UpdateBrowseWithCaretItems();
}
function ReadTabNav(aField)
{
var curval = document.getElementById("accessibility.tabfocus").value;
// Return the right bit based on the id of "aField"
if (aField.id == "tabNavigationLinks")
return (curval & kTabToLinks) != 0;
return (curval & kTabToForms) != 0;
}
function WriteTabNav(aField)
{
var curval = document.getElementById("accessibility.tabfocus").value;
// Textboxes are always part of the tab order
curval |= kTabToTextboxes;
// Select the bit, we have to change, based on the id of "aField"
var bit = kTabToForms;
if (aField.id == "tabNavigationLinks")
bit = kTabToLinks;
if (aField.checked)
return curval | bit;
return curval & ~bit;
}
function UpdateBrowseWithCaretItems()
{
document.getElementById("browseWithCaretWarn").disabled =
!document.getElementById("accessibility.browsewithcaret_shortcut.enabled").value ||
document.getElementById("accessibility.browsewithcaret").locked;
}