classicui_plat/ganes_api/inc/ganes/HgScrollBufferObserverIface.h
changeset 47 2f0c06423c72
parent 46 0e1e0022bd03
child 53 3c67ea82fafc
--- a/classicui_plat/ganes_api/inc/ganes/HgScrollBufferObserverIface.h	Thu Jul 29 14:21:56 2010 +0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,55 +0,0 @@
-/*
-* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:     
-*
-*/
-
-
-#ifndef HGSCROLLBUFFEROBSERVERIFACE_H_
-#define HGSCROLLBUFFEROBSERVERIFACE_H_
-
-#include <e32base.h>
-#include <ganes/HgBufferOwnerIface.h>
-
-/**
- * Buffer observer interface. 
- */
-class MHgScrollBufferObserver : public MHgBufferOwner 
-    {
-public:
-    /**
-     * The direction of request.
-     */
-    enum THgScrollDirection
-        {
-        EHgBufferNoMove, // Request initiated by adding or removing an item 
-        EHgBufferReset, // Full buffer reset
-        EHgBufferScrollUp, // Request items before the buffer
-        EHgBufferScrollDown // Request items after the buffer
-        };
-
-public:
-    /**
-     * Buffer position changed. 
-     * The items between the aBufferStart and aBufferEnd should be loaded as soon as possible.
-     * 
-     * @param aBufferStart The index of the first item in buffer.
-     * @param aBufferEnd The index of the last item in buffer.
-     * @param aDirection Scroll direction.
-     */
-    virtual void Request(TInt aRequestStart, TInt aRequestEnd, THgScrollDirection aDirection) = 0 ;
-    
-    };
-
-#endif // HGSCROLLBUFFEROBSERVERIFACE_H_