gecko-dev/layout/xul/nsIScrollbarMediator.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsIScrollbarMediator_h___
#define nsIScrollbarMediator_h___
#include "nsQueryFrame.h"
class nsScrollbarFrame;
class nsIScrollbarMediator
{
public:
NS_DECL_QUERYFRAME_TARGET(nsIScrollbarMediator)
// The aScrollbar argument denotes the scrollbar that's firing the notification.
NS_IMETHOD PositionChanged(nsScrollbarFrame* aScrollbar, int32_t aOldIndex, int32_t& aNewIndex) = 0;
NS_IMETHOD ScrollbarButtonPressed(nsScrollbarFrame* aScrollbar, int32_t aOldIndex, int32_t aNewIndex) = 0;
NS_IMETHOD VisibilityChanged(bool aVisible) = 0;
};
#endif