/*

* Copyright (c) 2008-2009 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:    Manager of visual lists

*

*/

/**

 * @internal reviewed 04/07/2007 by M Byrne

 */

#ifndef C_GLXVISUALLISTMANAGER_H

#define C_GLXVISUALLISTMANAGER_H

#include <alf/alfimagevisual.h>

class MGlxVisualList;

class CGlxVisualListControl;

class MGlxMediaList;

class CAlfEnv;

class CAlfDisplay;

/**

 *  MGlxVisualListManager

 * 

 *  Manager of lists of visuals

 *

 * @author Aki Vanhatalo

 */

class CGlxVisualListManager : public CBase

	{

public:

    /*

     * @return pointer to instance of visual list manager

     */

	IMPORT_C static CGlxVisualListManager* ManagerL();

	/**

	  * Close visual list manager

	  */

	IMPORT_C void Close();

	/**

	  * Destructor

	  */

	~CGlxVisualListManager();

	/**

	 * Allocate new visual list

	 * @param aItemList ponter to media list

     * @param aEnv HuiEnv

     * @param aDisplay HUI display

     * @return pointer to visual list

	 */

	IMPORT_C MGlxVisualList* AllocListL(

	    MGlxMediaList& aItemList, 

    	CAlfEnv& aEnv, CAlfDisplay& aDisplay,

    	CAlfImageVisual::TScaleMode aThumbnailScaleMode = CAlfImageVisual::EScaleFitInside );

    /**

     * Return visual list associated with specified Media List

     * Allocate new list if one does not already exist

     * @param aItemList ponter to media list

     * @param aEnv HuiEnv

     * @param aDisplay HUI display

     * @return pointer to visual list

     */

     IMPORT_C MGlxVisualList* ListL(

        MGlxMediaList& aItemList, 

    	CAlfEnv& aEnv, CAlfDisplay& aDisplay, 

    	CAlfImageVisual::TScaleMode aThumbnailScaleMode = CAlfImageVisual::EScaleFitInside );

	/**

	 * Release a reference to a visual list

	 * @param aList list to be released or NULL. 

     *			    If NULL, does nothing.

	 */

	IMPORT_C void ReleaseList(MGlxVisualList* aList);

private:

    /**

      * Constructor

      */

	CGlxVisualListManager();

private:

    /** Array of visual lists (owned) */

	RPointerArray<CGlxVisualListControl> iVisualLists;

	};

#endif // C_GLXVISUALLISTMANAGER_H