/* vim:set ts=2 sw=2 sts=2 et: */
/* ***** 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 Jetpack.
 *
 * The Initial Developer of the Original Code is
 * the Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Irakli Gozalishvili <gozala@mozilla.com> (Original Author)
 *
 * 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 ***** */

"use strict";

function getTabContainer(tabBrowser) {
  return tabBrowser.tabContainer;
}
exports.getTabContainer = getTabContainer;

function getTabBrowsers(window) {
  return Array.slice(window.document.getElementsByTagName("tabbrowser"));
}
exports.getTabBrowsers = getTabBrowsers;

function getTabContainers(window) {
  return getTabBrowsers(window).map(getTabContainer);
}
exports.getTabContainers = getTabContainers;

function getTabs(window) {
  return getTabContainers(window).reduce(function (tabs, container) {
    tabs.push.apply(tabs, container.children);
    return tabs;
  }, []);
}
exports.getTabs = getTabs;

function getActiveTab(window) {
  return window.gBrowser.selectedTab;
}
exports.getActiveTab = getActiveTab;

function getOwnerWindow(tab) {
  return tab.ownerDocument.defaultView;
}
exports.getOwnerWindow = getOwnerWindow;

function openTab(window, url) {
  return window.gBrowser.addTab(url);
}
exports.openTab = openTab;

function closeTab(tab) {
  return getOwnerWindow(tab).gBrowser.removeTab(tab);
}
exports.closeTab = closeTab;

function activateTab(tab) {
  getOwnerWindow(tab).gBrowser.selectedTab = tab;
}
exports.activateTab = activateTab;