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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#ifndef nsIScrollPositionListener_h___
#define nsIScrollPositionListener_h___
#include "nsCoord.h"
/**
* Provides a way to learn about scroll position changes of
* ScrollContainerFrame's.
*/
class nsIScrollPositionListener {
public:
virtual void ScrollPositionWillChange(nscoord aX, nscoord aY) = 0;
virtual void ScrollPositionDidChange(nscoord aX, nscoord aY) = 0;
};
#endif /* nsIScrollPositionListener_h___ */