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nsIScrollbarMediator.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Original Author: David W. Hyatt (hyatt@netscape.com)
00024  *    Nate Nielsen (nielsen@memberwebs.com)
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either of the GNU General Public License Version 2 or later (the "GPL"),
00028  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00029  * in which case the provisions of the GPL or the LGPL are applicable instead
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00037  *
00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #ifndef nsIScrollbarMediator_h___
00041 #define nsIScrollbarMediator_h___
00042 
00043 // {b589027f-271b-4c68-91df-04f139885e9a}
00044 #define NS_ISCROLLBARMEDIATOR_IID \
00045 { 0xb589027f, 0x271b, 0x4c68, { 0x91, 0xdf, 0x04, 0xf1, 0x39, 0x88, 0x5e, 0x9a } }
00046 
00047 static NS_DEFINE_IID(kIScrollbarMediatorIID, NS_ISCROLLBARMEDIATOR_IID);
00048 
00049 class nsIScrollbarMediator : public nsISupports {
00050 
00051 public:
00052   NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISCROLLBARMEDIATOR_IID)
00053 
00054   // The nsISupports aScrollbar argument below denotes the
00055   // scrollbar that's firing the notification. It should be
00056   // where the same object as where nsIScrollbarFrame is implemented
00057 
00058   NS_IMETHOD PositionChanged(nsISupports* aScrollbar, PRInt32 aOldIndex, PRInt32& aNewIndex) = 0;
00059   NS_IMETHOD ScrollbarButtonPressed(nsISupports* aScrollbar, PRInt32 aOldIndex, PRInt32 aNewIndex) = 0;
00060 
00061   NS_IMETHOD VisibilityChanged(nsISupports* aScrollbar, PRBool aVisible) = 0;
00062 };
00063 
00064 #endif
00065