1 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 * ***** BEGIN LICENSE BLOCK *****
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
15 * The Original Code is Mozilla Communicator client code, released
18 * The Initial Developer of the Original Code is
19 * Netscape Communications Corporation.
20 * Portions created by the Initial Developer are Copyright (C) 1998-1999
21 * the Initial Developer. All Rights Reserved.
24 * R.J. Keller <rlk@trfenv.com>
26 * Alternatively, the contents of this file may be used under the terms of
27 * either the GNU General Public License Version 2 or later (the "GPL"), or
28 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 * in which case the provisions of the GPL or the LGPL are applicable instead
30 * of those above. If you wish to allow use of your version of this file only
31 * under the terms of either the GPL or the LGPL, and not to allow others to
32 * use your version of this file under the terms of the MPL, indicate your
33 * decision by deleting the provisions above and replace them with the notice
34 * and other provisions required by the GPL or the LGPL. If you do not delete
35 * the provisions above, a recipient may use your version of this file under
36 * the terms of any one of the MPL, the GPL or the LGPL.
38 * ***** END LICENSE BLOCK ***** */
40 const MOZILLA_CONTENT_PACK = "chrome://communicator/locale/help/suitehelp.rdf";
41 //Set the default content pack to the Mozilla content pack. Use the
42 //setHelpFileURI function to set this value.
43 var helpFileURI = MOZILLA_CONTENT_PACK;
45 // openHelp - Opens up the Mozilla Help Viewer with the specified
46 // topic and content pack.
47 // see http://www.mozilla.org/projects/help-viewer/content_packs.html
48 function openHelp(topic, contentPack)
50 //cp is the content pack to use in this function. If the contentPack
51 //parameter was set, we will use that content pack. If not, we will
52 //use the default content pack set by setHelpFileURI().
53 var cp = contentPack || helpFileURI;
55 // Try to find previously opened help.
56 var topWindow = locateHelpWindow(cp);
59 // Open topic in existing window.
61 topWindow.displayTopic(topic);
63 // Open topic in new window.
64 const params = Components.classes["@mozilla.org/embedcomp/dialogparam;1"]
65 .createInstance(Components.interfaces.nsIDialogParamBlock);
66 params.SetNumberStrings(2);
67 params.SetString(0, cp);
68 params.SetString(1, topic);
69 const ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
70 .getService(Components.interfaces.nsIWindowWatcher);
71 ww.openWindow(null, "chrome://help/content/help.xul", "_blank", "chrome,all,alwaysRaised,dialog=no", params);
75 //setHelpFileURI - Sets the default content pack to use in the Help Viewer
76 function setHelpFileURI(rdfURI) {
80 // Locate mozilla:help window (if any) opened for this help file uri.
81 function locateHelpWindow(helpFileURI) {
82 const windowManager = Components.classes['@mozilla.org/appshell/window-mediator;1']
83 .getService(Components.interfaces.nsIWindowMediator);
84 var iterator = windowManager.getEnumerator("mozilla:help");
88 // Loop through the help windows looking for one with the
89 // current Help Content Pack loaded.
90 while (iterator.hasMoreElements()) {
91 currentWindow = iterator.getNext();
92 if (currentWindow.getHelpFileURI() == helpFileURI) {
93 topWindow = currentWindow;