gecko/view/public/nsIScrollPositionListener.h
Timothy Nikkel 375930c3f5 Bug 488771. Stop nsIScrollPositionListener from inheriting from nsISupports. r=roc
--HG--
extra : rebase_source : bb93c56b3347bc8df7fd843f08e2d5dfc4f3071b
2010-01-28 18:03:42 -06:00

58 lines
2.2 KiB
C++

/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** 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 Mozilla Communicator.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corp.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Patrick Beard
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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
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* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */
#ifndef nsIScrollPositionListener_h___
#define nsIScrollPositionListener_h___
#include "nsCoord.h"
/**
* Provides a way for a client of an nsIScrollableView to learn about scroll position
* changes.
*/
class nsIScrollPositionListener {
public:
virtual void ScrollPositionWillChange(nscoord aX, nscoord aY) = 0;
virtual void ScrollPositionDidChange(nscoord aX, nscoord aY) = 0;
};
#endif /* nsIScrollPositionListener_h___ */