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29 lines
849 B
C
29 lines
849 B
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIScrollObserver_h___
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#define nsIScrollObserver_h___
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#include "nsISupports.h"
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#define NS_ISCROLLOBSERVER_IID \
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{ 0x7c1a8b63, 0xe322, 0x4827, \
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{ 0xa4, 0xb1, 0x3b, 0x6e, 0x59, 0x03, 0x47, 0x7e } }
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class nsIScrollObserver : public nsISupports
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISCROLLOBSERVER_IID)
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/**
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* Called when the scroll position of some element has changed.
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*/
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virtual void ScrollPositionChanged() = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIScrollObserver, NS_ISCROLLOBSERVER_IID)
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#endif /* nsIScrollObserver_h___ */
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