/*
* 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 HGDOUBLEGRAPHICLIST_H_
#define HGDOUBLEGRAPHICLIST_H_

#include <ganes/HgList.h>

class CHgDoubleGraphicList : public CHgList
    {
public:
    /**
     * Creates new CHgDoubleGraphicList.
     * 
     * @param aRect Rect that the control draws onto.
     * @param aItemCount Total count of items in the grid
     * @param aDefaultIcon Default icon to be used.
     * @param aSession Window server session for DSA. Default is NULL and DSA is disabled.
     * 
     * @return CHgDoubleGraphicList-object
     */
    IMPORT_C static CHgDoubleGraphicList* NewL ( const TRect& aRect, 
                                                    TInt aItemCount, 
                                                    CGulIcon* aDefaultIcon = NULL,
                                                    RWsSession* aSession = NULL); 

    /**
     * Destructor.
     */
    IMPORT_C virtual ~CHgDoubleGraphicList( );

public:
    
    /**
     * Returns preferred image size that should be used when passing images.
     */
    IMPORT_C static TSize PreferredImageSize();
    
    /**
     * Sets overlay indicator to be placed on top if the list icon.
     * The indicator will be shown on list items that have enabled the overlay indicator flag.
     * Ownership of the indicator is transferred.
     * 
     * @param aIndicator The indicator to be shown
     */
    IMPORT_C void SetIconOverlayIndicator(CGulIcon* aIndicator);
    
protected: // CHgScroller
    void HandleSizeChanged();
    void HandleScrollbarVisibilityChange(TBool aVisible);
    
protected: // CHgList
    void DrawItem(TInt aIndex, const TRect& aRect) const; 
    
protected:
    CHgDoubleGraphicList( TInt aItemCount, 
            CGulIcon* aDefaultIcon );

    void InitOverlayIcon();
    
protected:
    
    CGulIcon* iIconOverlayIndicator;
    };

#endif /*HGDOUBLEGRAPHICLIST_H_*/
