gecko-dev/layout/xul/base/public/nsIScrollbarMediator.h

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 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Netscape Public License
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 * License.
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 * The Original Code is Mozilla Communicator client code.
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 * The Initial Developer of the Original Code is 
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 * Portions created by the Initial Developer are Copyright (C) 1998
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 * Contributor(s):
 * Original Author: David W. Hyatt (hyatt@netscape.com)
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#ifndef nsIScrollbarMediator_h___
#define nsIScrollbarMediator_h___

// {351C003A-E8F7-4d10-8BFA-635C9860D650}
#define NS_ISCROLLBARMEDIATOR_IID \
{ 0x351c003a, 0xe8f7, 0x4d10, { 0x8b, 0xfa, 0x63, 0x5c, 0x98, 0x60, 0xd6, 0x50 } }

static NS_DEFINE_IID(kIScrollbarMediatorIID,     NS_ISCROLLBARMEDIATOR_IID);

class nsIScrollbarMediator : public nsISupports {

public:
  NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISCROLLBARMEDIATOR_IID)
  
  NS_IMETHOD PositionChanged(PRInt32 aOldIndex, PRInt32& aNewIndex) = 0;
  NS_IMETHOD ScrollbarButtonPressed(PRInt32 aOldIndex, PRInt32 aNewIndex) = 0;

  NS_IMETHOD VisibilityChanged(PRBool aVisible) = 0;
};

#endif