1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  MDE media monitor utility

    15  *

    16 */

    17 

    18 

    19 #ifndef MDSAUDIOMONITOR_H_

    20 #define MDSAUDIOMONITOR_H_

    21 

    22 #include <e32def.h>

    23 #include <mdesession.h>

    24 

    25 //Forward declaration

    26 class CMdeObjectQueueManager; //Queue all Audio objects for Indexing

    27 class CMdESession;

    28 

    29 class CMdsMediaMonitor : public CBase,

    30                          public MMdEObjectObserver,

    31                          public MMdEObjectPresentObserver

    32     {

    33 public:

    34     /*

    35      * NewL construction

    36      * @param CMdESession* valid mde session donot own

    37      * @param CMdeObjectQueueManager* object queue manager do not own

    38      * @return instance of media monitor

    39      */

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

    41     /*

    42      * NewLC construction

    43      * @param CMdESession* valid mde session do not own

    44      * @param CMdeObjectQueueManager* object queue manager do not own

    45      * @return instance of media monitor

    46      */

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

    48     /*

    49      * Destructor

    50      */

    51     virtual ~CMdsMediaMonitor();

    52 private:

    53     /*

    54      * parameterized constructor

    55      * @param CMdESession* valid mde session do not own

    56      * @param CMdeObjectQueueManager* mde object queue manager donot own

    57      */

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

    59     /*

    60      * Second phase constructor

    61      */

    62     void ConstructL();  //Second phase constructor

    63 public:

    64     /*

    65      * StartMonitoring

    66      * @param TDesC& aNameSpaceDef name space

    67      */

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

    69     /*

    70      * StopMonitoring stops sending events

    71      */

    72     void StopMonitoringL();

    73     //From MMdEObjectObserver

    74     void HandleObjectNotification(CMdESession& aSession, 

    75                             TObserverNotificationType aType,

    76                             const RArray<TItemId>& aObjectIdArray);

    77     void HandleObjectPresentNotification(CMdESession& aSession, 

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

    79 private:

    80     CMdESession* iMdsSession; //do not own

    81     //Maintain queue of object array with actions for indexing

    82     CMdeObjectQueueManager* iMdeObjectQueueManager; 

    83     };

    84 

    85 #endif /* MDSAUDIOMONITOR_H_ */