зеркало из https://github.com/mozilla/gecko-dev.git
51 строка
1.7 KiB
C++
51 строка
1.7 KiB
C++
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corp. Portions created by Netscape are Copyright (C) 1999 Netscape
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* Communications Corp. All Rights Reserved.
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*
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* Contributor(s):
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* Patrick Beard
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*/
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#ifndef nsIScrollPositionListener_h___
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#define nsIScrollPositionListener_h___
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#include "nsISupports.h"
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#include "nsCoord.h"
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// forward declarations
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class nsIScrollableView;
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// IID for the nsIScrollPositionListener interface
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// {f8dfc500-6ad1-11d3-8360-a3f373ff79fc}
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#define NS_ISCROLLPOSITIONLISTENER_IID \
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{ 0xf8dfc500, 0x6ad1, 0x11d3, { 0x83, 0x60, 0xa3, 0xf3, 0x73, 0xff, 0x79, 0xfc } }
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/**
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* Provides a way for a client of an nsIScrollableView to learn about scroll position
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* changes.
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*/
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class nsIScrollPositionListener : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISCROLLPOSITIONLISTENER_IID)
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NS_IMETHOD ScrollPositionWillChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY) = 0;
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NS_IMETHOD ScrollPositionDidChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY) = 0;
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};
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#endif /* nsIScrollPositionListener_h___ */
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