/*

* Copyright (c) 2010 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:  MDE media monitor utility

 *

*/

#ifndef MDSAUDIOMONITOR_H_

#define MDSAUDIOMONITOR_H_

#include <e32def.h>

#include <mdesession.h>

//Forward declaration

class CMdeObjectQueueManager; //Queue all Audio objects for Indexing

class CMdESession;

class CMdsMediaMonitor : public CBase,

                         public MMdEObjectObserver,

                         public MMdEObjectPresentObserver

    {

public:

    /*

     * NewL construction

     * @param CMdESession* valid mde session donot own

     * @param CMdeObjectQueueManager* object queue manager do not own

     * @return instance of media monitor

     */

    static CMdsMediaMonitor* NewL(CMdESession* ,CMdeObjectQueueManager* );

    /*

     * NewLC construction

     * @param CMdESession* valid mde session do not own

     * @param CMdeObjectQueueManager* object queue manager do not own

     * @return instance of media monitor

     */

    static CMdsMediaMonitor* NewLC(CMdESession* ,CMdeObjectQueueManager* );

    /*

     * Destructor

     */

    virtual ~CMdsMediaMonitor();

private:

    /*

     * parameterized constructor

     * @param CMdESession* valid mde session do not own

     * @param CMdeObjectQueueManager* mde object queue manager donot own

     */

    CMdsMediaMonitor(CMdESession* ,CMdeObjectQueueManager* ); //default constructor

    /*

     * Second phase constructor

     */

    void ConstructL();  //Second phase constructor

public:

    /*

     * StartMonitoring

     * @param TDesC& aNameSpaceDef name space

     */

    void StartMonitoringL(const TDesC& aNameSpaceDef); //Controlled by owner

    /*

     * StopMonitoring stops sending events

     */

    void StopMonitoringL();

    //From MMdEObjectObserver

    void HandleObjectNotification(CMdESession& aSession, 

                            TObserverNotificationType aType,

                            const RArray<TItemId>& aObjectIdArray);

    void HandleObjectPresentNotification(CMdESession& aSession, 

                TBool aPresent, const RArray<TItemId>& aObjectIdArray);

private:

    CMdESession* iMdsSession; //do not own

    //Maintain queue of object array with actions for indexing

    CMdeObjectQueueManager* iMdeObjectQueueManager; 

    };

#endif /* MDSAUDIOMONITOR_H_ */