1 /*

     2 * Copyright (c) 2005 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:  Utility to get the preset and data

    15 *

    16 */

    17 

    18 

    19 #ifndef CAMMSEMCBASEMMFDEVSOUND_H

    20 #define CAMMSEMCBASEMMFDEVSOUND_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>

    24 #include <badesca.h>

    25 #include <mmf/server/sounddevice.h>

    26 #include <mmf/common/mmfbase.h>

    27 

    28 

    29 // CLASS DECLARATION

    30 

    31 /**

    32  *  Group for effect controls

    33  *

    34  *  @since 5.1

    35  */

    36 NONSHARABLE_CLASS(CAMMSEMCBaseMMFDevSound)

    37         :public CBase, public MDevSoundObserver

    38 {

    39 public:  // destructor

    40     /**

    41     * Destructor.

    42     */

    43     virtual ~CAMMSEMCBaseMMFDevSound();

    44 

    45 public:  // From MDevSoundObserver

    46 

    47     // empty implementation for callback methods from MDevSoundObserver

    48     virtual void InitializeComplete(TInt aError);

    49     virtual void BufferToBeFilled(CMMFBuffer* /*aBuffer*/) {}

    50     virtual void PlayError(TInt /*aError*/) {}

    51 

    52     virtual void ToneFinished(TInt /*aError*/) {}

    53     virtual void BufferToBeEmptied(CMMFBuffer* /*aBuffer*/) {}

    54     virtual void RecordError(TInt /*aError*/) {}

    55     virtual void ConvertError(TInt /*aError*/) {}

    56     virtual void DeviceMessage(TUid /*aMessageType*/,

    57                                const TDesC8& /*aMsg*/) {}

    58     virtual void SendEventToClient(const TMMFEvent& /*aEvent*/) {}

    59 

    60 

    61 protected:

    62     virtual TInt CreateAndInitializeDevSoundL();

    63 

    64     /**

    65      * Deletes utilities

    66      * Does nothing if the utilities have already been deleted.

    67      */

    68     virtual void DeleteDevSound();

    69 

    70 public:

    71     /**

    72      * c++ constructor.

    73      */

    74     CAMMSEMCBaseMMFDevSound();

    75     /**

    76      * 2nd phase constructor.

    77      */

    78 

    79     void ConstructL();

    80 

    81 protected:

    82 

    83     CMMFDevSound* iMMFDevSound;

    84 

    85 

    86 private:

    87     // Used to wait for Initializing the iMMFDevSound.

    88     CActiveSchedulerWait* iActiveSchedulerWait; // Owned.

    89 

    90 };

    91 

    92 #endif // CAMMSEMCBASEMMFDEVSOUND_H

    93 

    94