зеркало из https://github.com/mozilla/gecko-dev.git
23 строки
749 B
C++
23 строки
749 B
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIScrollPositionListener_h___
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#define nsIScrollPositionListener_h___
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#include "nsCoord.h"
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/**
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* Provides a way to learn about scroll position changes of
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* nsIScrollableFrame's.
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*/
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class nsIScrollPositionListener {
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public:
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virtual void ScrollPositionWillChange(nscoord aX, nscoord aY) = 0;
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virtual void ScrollPositionDidChange(nscoord aX, nscoord aY) = 0;
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};
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#endif /* nsIScrollPositionListener_h___ */
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