view/public/nsIScrollPositionListener.h
author Mitchell Field <mitchell.field@live.com.au>
Fri, 02 Jul 2010 10:27:06 -0400
changeset 47159 84c1694a4ca9af3a0fd5605a7ec0e9b9e7bd0129
parent 37871 3f8d4e7bd9a17d861b60b99d8d69fed2a35bc48f
child 98983 f4157e8c410708d76703f19e4dfb61859bfe32d8
permissions -rw-r--r--
Remove @status FROZEN and @status UNDER_REVIEW. r=bsmedberg

/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 * The Original Code is Mozilla Communicator.
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 *   Patrick Beard
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#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___ */