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:  CMMAMIDIMetaDataControl is a concrete class for getting

    15 *                metadata from midi engine.

    16 *

    17 */

    18 

    19 

    20 //  INCLUDE FILES

    21 #include <jdebug.h>

    22 

    23 #include "cmmamidimetadatacontrol.h"

    24 

    25 CMMAMIDIMetaDataControl::CMMAMIDIMetaDataControl(

    26     CMMAMIDIPlayer* aPlayer)

    27         : iPlayer(aPlayer)

    28 {

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

    30 }

    31 

    32 TInt CMMAMIDIMetaDataControl::KeyCountL()

    33 {

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

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

    36     return entries;

    37 }

    38 

    39 HBufC* CMMAMIDIMetaDataControl::KeyL(TInt aIndex)

    40 {

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

    42     CMMFMetaDataEntry* currEntry =

    43         iPlayer->MidiClient()->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 midi metadata key. The ownership of the created value

    53  * (descriptor) is passed to the caller.

    54  */

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

    56 {

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

    58 

    59     HBufC* retVal = NULL;

    60     CMMFMetaDataEntry* currEntry = NULL;

    61 

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

    63 

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

    65     {

    66         currEntry = iPlayer->MidiClient()->GetMetaDataEntryL(i);

    67 

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

    69         {

    70             CleanupStack::PushL(currEntry);

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

    72             CleanupStack::PopAndDestroy(); // currEntry

    73             break;

    74         }

    75 

    76         delete currEntry;

    77     }

    78 

    79     User::LeaveIfNull(retVal);

    80     return retVal;

    81 }

    82 

    83 //  END OF FILE