/*

* 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:  CMMAMIDIMetaDataControl is a concrete class for getting

*                metadata from midi engine.

*

*/

//  INCLUDE FILES

#include <jdebug.h>

#include "cmmamidimetadatacontrol.h"

CMMAMIDIMetaDataControl::CMMAMIDIMetaDataControl(

    CMMAMIDIPlayer* aPlayer)

        : iPlayer(aPlayer)

{

    DEBUG("MMA::CMMAMIDIMetaDataControl constructor called.");

}

TInt CMMAMIDIMetaDataControl::KeyCountL()

{

    DEBUG("MMA: CMMAMIDIMetaDataControl::KeyCountL");

    TInt entries = iPlayer->MidiClient()->NumberOfMetaDataEntriesL();

    return entries;

}

HBufC* CMMAMIDIMetaDataControl::KeyL(TInt aIndex)

{

    DEBUG("MMA: CMMAMIDIMetaDataControl::KeyL");

    CMMFMetaDataEntry* currEntry =

        iPlayer->MidiClient()->GetMetaDataEntryL(aIndex);

    CleanupStack::PushL(currEntry);

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

    CleanupStack::PopAndDestroy(); // currEntry

    return key;

}

/*

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

 * (descriptor) is passed to the caller.

 */

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

{

    DEBUG("MMA: CMMAMIDIMetaDataControl::KeyValueL");

    HBufC* retVal = NULL;

    CMMFMetaDataEntry* currEntry = NULL;

    TInt nEntries = iPlayer->MidiClient()->NumberOfMetaDataEntriesL();

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

    {

        currEntry = iPlayer->MidiClient()->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