/*

* 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:    Media item list observer interface 

 *

*/

#ifndef GLXMSKCONTROLLER_H_

#define GLXMSKCONTROLLER_H_

#include <mglxmedialistobserver.h>

#include <eikbtgpc.h>  

#include  "glxviewbase.h"

class CGlxUiUtility;

NONSHARABLE_CLASS( CGlxMSKController ): public CBase, public MGlxMediaListObserver

    {

public:

    /*

     * function NewL

     */

    static CGlxMSKController* NewL ();

    /*

     * Adds object of CGlxMSKController to observe medialist

     * @param aList Reference of MGlxMediaList 

     */

    void AddToObserverL(MGlxMediaList& aList, CEikButtonGroupContainer* aCba);

    /*

     * Removes object of CGlxMSKController from medialist observer

     * @param aList Reference of MGlxMediaList

     */

    void RemoveFromObserver (MGlxMediaList& aList);

    /**

     * Sets MSK status.This is called after adding CGlxMSKController

     * to medialist observer, if there is no HandleAttributeAvailable callback.

     * @param aList Pointer to MGlxMediaList

     */

    void SetStatusOnViewActivationL( MGlxMediaList* aList );

    /*

     * Sets the MSK status for the Main List view. 

     */

    void SetMainStatusL();

    /*

     * Destructor

     */

    ~CGlxMSKController();

public: //From MGlxMediaListObserver  

    void HandleItemAddedL(TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList);

    void HandleMediaL(TInt aListIndex, MGlxMediaList* aList);

    void HandleItemRemovedL(TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList);

    void HandleItemModifiedL(const RArray<TInt>& aItemIndexes, MGlxMediaList* aList);

    void HandleAttributesAvailableL(TInt aItemIndex, const RArray<TMPXAttribute>& aAttributes,

            MGlxMediaList* aList);

    void HandleFocusChangedL(NGlxListDefs::TFocusChangeType aType, TInt aNewIndex, 

            TInt aOldIndex, MGlxMediaList* aList);

    void HandleItemSelectedL(TInt aIndex, TBool aSelected, MGlxMediaList* aList);

    void HandleMessageL(const CMPXMessage& aMessage, MGlxMediaList* aList);

private:

    /*

     * Default Constructor

     */

    CGlxMSKController();

    /*

     * Sets the MSK status on every attribute available callback. 

     * If attributes not available, but there are items, then this call is forced

     * by SetStatusOnViewActivationL from MediaListViewBase

     * @param aList Pointer og MGlxMediaList

     */

    void SetStatusL( MGlxMediaList* aList );

private:    

    CEikButtonGroupContainer* iCba;

    TBool iAttributeAvailable;

    CGlxUiUtility* iUiUtility;

    };

#endif /*GLXMSKCONTROLLER_H_*/