1 /* -*- Mode: C++; 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
4 *
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/
9 *
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
13 * License.
14 *
15 * The Original Code is mozilla.org code.
16 *
17 * The Initial Developer of the Original Code is
18 * Netscape Communications Corporation.
19 * Portions created by the Initial Developer are Copyright (C) 1998
20 * the Initial Developer. All Rights Reserved.
21 *
22 * Contributor(s):
23 * David W. Hyatt (hyatt@netscape.com) (Original Author)
24 * Joe Hewitt (hewitt@netscape.com)
25 *
26 * Alternatively, the contents of this file may be used under the terms of
27 * either of the GNU General Public License Version 2 or later (the "GPL"),
28 * or 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.
37 *
38 * ***** END LICENSE BLOCK ***** */
39
40 #include "nsIBoxObject.idl"
41
42 interface nsIDOMElement;
43
44 [scriptable, uuid(FDE7C970-0B4E-49f4-B1EB-974AE6C96336)]
45 interface nsIListBoxObject : nsISupports
46 {
47 // listboxBody is always null. It's only here to avoid changing the
48 // interface.
49 readonly attribute nsIListBoxObject listboxBody;
50
51 long getRowCount();
52 long getNumberOfVisibleRows();
53 long getIndexOfFirstVisibleRow();
54
55 void ensureIndexIsVisible(in long rowIndex);
56 void scrollToIndex(in long rowIndex);
57 void scrollByLines(in long numLines);
58
59 nsIDOMElement getItemAtIndex(in long index);
60 long getIndexOfItem(in nsIDOMElement item);
61 };
62
63 %{C++
64 nsresult
65 NS_NewListBoxObject(nsIBoxObject** aResult);
66
67 %}