1 /*

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

    15 *                metadata from DRM files.

    16 *

    17 */

    18 

    19 

    20 //  INCLUDE FILES

    21 #include <jdebug.h>

    22 

    23 #include "cmmadrmmetadatacontrol.h"

    24 

    25 CMMADRMMetaDataControl::CMMADRMMetaDataControl(

    26     CMMADRMAudioPlayer* aPlayer)

    27         : iPlayer(aPlayer)

    28 {

    29     DEBUG("MMA::CMMADRMMetaDataControl constructor called.");

    30 }

    31 

    32 TInt CMMADRMMetaDataControl::KeyCountL()

    33 {

    34     TInt entries;

    35     User::LeaveIfError(iPlayer->DRMUtility()->GetNumberOfMetaDataEntries(entries));

    36     return entries;

    37 }

    38 

    39 HBufC* CMMADRMMetaDataControl::KeyL(TInt aIndex)

    40 {

    41     DEBUG("MMA: CMMADRMMetaDataControl::KeyL");

    42     CMMFMetaDataEntry* currEntry =

    43         iPlayer->DRMUtility()->GetMetaDataEntryL(aIndex);

    44     CleanupStack::PushL(currEntry);

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

    46     CleanupStack::PopAndDestroy(); // currEntry

    47     return key;

    48 }

    49 

    50 

    51 /*

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

    53  * (descriptor) is passed to the caller.

    54  */

    55 HBufC* CMMADRMMetaDataControl::KeyValueL(const TDesC& aKey)

    56 {

    57     DEBUG("MMA: CMMADRMMetaDataControl::KeyValueL");

    58 

    59     HBufC* retVal = NULL;

    60     CMMFMetaDataEntry* currEntry = NULL;

    61 

    62     TInt nEntries;

    63     User::LeaveIfError(iPlayer->DRMUtility()->GetNumberOfMetaDataEntries(nEntries));

    64 

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

    66     {

    67         currEntry = iPlayer->DRMUtility()->GetMetaDataEntryL(i);

    68 

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

    70         {

    71             CleanupStack::PushL(currEntry);

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

    73             CleanupStack::PopAndDestroy(); // currEntry

    74             break;

    75         }

    76 

    77         delete currEntry;

    78     }

    79 

    80     User::LeaveIfNull(retVal);

    81     return retVal;

    82 }

    83 

    84 //  END OF FILE