/*

* Copyright (c) 2002 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:  CMMAAudioMetaDataControl is a concrete class for getting

*                metadata from an audio media.

*

*/

//  INCLUDE FILES

#include <jdebug.h>

#include "cmmaaudiometadatacontrol.h"

CMMAAudioMetaDataControl::CMMAAudioMetaDataControl(

    RMMFController& aController)

        : iController(aController)

{

    DEBUG("CMMAAudioMetaDataControl constructor called.");

}

TInt CMMAAudioMetaDataControl::KeyCountL()

{

    TInt entries = 0;

    User::LeaveIfError(iController.GetNumberOfMetaDataEntries(entries));

    return entries;

}

HBufC* CMMAAudioMetaDataControl::KeyL(TInt aIndex)

{

    CMMFMetaDataEntry* currEntry = NULL;

    currEntry = iController.GetMetaDataEntryL(aIndex);

    CleanupStack::PushL(currEntry);

    HBufC* key = currEntry->Name().AllocL();

    CleanupStack::PopAndDestroy(); // currEntry

    return key;

}

/*

 * Get the value of given audio metadata key. The ownership of the created value

 * (descriptor) is passed to the caller.

 */

HBufC* CMMAAudioMetaDataControl::KeyValueL(const TDesC& aKey)

{

    DEBUG("MMA::CMMAAudioMetaDataControl::GetKeyValueL() called.");

    HBufC* retVal = NULL;

    CMMFMetaDataEntry* currEntry = NULL;

    TInt nEntries = 0;

    User::LeaveIfError(iController.GetNumberOfMetaDataEntries(nEntries));

    for (TInt i = 0; i < nEntries; ++i)

    {

        currEntry = iController.GetMetaDataEntryL(i);

        if (0 == aKey.Compare(currEntry->Name()))

        {

            CleanupStack::PushL(currEntry);

            retVal = currEntry->Value().AllocL();

            CleanupStack::PopAndDestroy(); // currEntry

            break;

        }

        delete currEntry;

    }

    User::LeaveIfNull(retVal);

    return retVal;

}

//  END OF FILE