--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_akn/audiostreaming/src.emc/cmmaaudiostreammetadatacontrol.cpp	Wed Sep 01 12:33:18 2010 +0100
@@ -0,0 +1,274 @@
+/*
+* 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:  CMMAAudioStreamMetaDataControl is a concrete class for getting
+*                metadata from an audio media.
+*
+*/
+
+
+//  INCLUDE FILES
+#include <jdebug.h>
+
+#include "cmmaaudiostreammetadatacontrol.h"
+
+CMMAAudioStreamMetaDataControl::CMMAAudioStreamMetaDataControl(
+    CMetaDataUtility* aMetadaDataUtility)
+{
+    DEBUG("CMMAAudioStreamMetaDataControl constructor called.");
+    // this class gets the ownership of MetaDataUtility
+    iMetaDataUtility = aMetadaDataUtility;
+}
+
+CMMAAudioStreamMetaDataControl::~CMMAAudioStreamMetaDataControl()
+{
+    DEBUG("~CMMAAudioStreamMetaDataControl called.");
+    delete iMetaDataUtility;
+}
+
+TInt CMMAAudioStreamMetaDataControl::KeyCountL()
+{
+    TInt entries = iMetaDataUtility->MetaDataCount();
+    DEBUG_INT("MMA:CMMAAudioStreamMetaDataControl::KeyCountL, count = %d", entries);
+
+    return entries;
+}
+
+HBufC* CMMAAudioStreamMetaDataControl::KeyL(TInt aIndex)
+{
+    DEBUG("MMA::CMMAAudioStreamMetaDataControl::KeyL +");
+    HBufC* key = NULL;
+
+    if (KeyCountL() > 0)
+    {
+        TMetaDataFieldId fieldId;
+        const CMetaDataFieldContainer& fieldcontainer =
+            iMetaDataUtility->MetaDataFieldsL();
+        fieldcontainer.FieldIdAt(aIndex, fieldId);
+        DEBUG_INT("MMA:CMMAAudioStreamMetaDataControl::KeyL, fieldId = %d", fieldId);
+        key = GetKeyL(fieldId);
+    }
+
+    DEBUG("MMA::CMMAAudioStreamMetaDataControl::KeyL -");
+    return key;
+}
+
+/*
+ * Get the value of given audio metadata key. The ownership of the created value
+ * (descriptor) is passed to the caller.
+ */
+HBufC* CMMAAudioStreamMetaDataControl::KeyValueL(const TDesC& aKey)
+{
+    DEBUG("MMA::CMMAAudioStreamMetaDataControl::KeyValueL +");
+    HBufC* retVal = NULL;
+
+    if (KeyCountL() > 0)
+    {
+        TBool found;
+        TMetaDataFieldId fieldId = GetFieldId(aKey, found);
+        if (found)
+        {
+            const CMetaDataFieldContainer& fieldcontainer =
+                iMetaDataUtility->MetaDataFieldsL();
+            retVal = (fieldcontainer.Field(fieldId)).AllocL();
+        }
+    }
+
+    User::LeaveIfNull(retVal);
+    DEBUG_STR("MMA::CMMAAudioStreamMetaDataControl::KeyValueL, retVal = %S", *retVal);
+    DEBUG("MMA::CMMAAudioStreamMetaDataControl::KeyValueL -");
+    return retVal;
+}
+
+/*
+* Get key string for the given fieldId
+*/
+HBufC* CMMAAudioStreamMetaDataControl::GetKeyL(TMetaDataFieldId aFieldId)
+{
+    DEBUG("MMA::CMMAAudioStreamMetaDataControl::GetKeyL +");
+    HBufC* keyString = NULL;
+    TBuf<KKeyStringMaxLength> tempBuf;
+
+    switch (aFieldId)
+    {
+    case EMetaDataSongTitle:
+        tempBuf.Copy(KMetaDataSongTitle);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataArtist:
+        tempBuf.Copy(KMetaDataArtist);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataAlbum:
+        tempBuf.Copy(KMetaDataAlbum);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataYear:
+        tempBuf.Copy(KMetaDataYear);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataAlbumTrack:
+        tempBuf.Copy(KMetaDataAlbumTrack);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataGenre:
+        tempBuf.Copy(KMetaDataGenre);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataComposer:
+        tempBuf.Copy(KMetaDataComposer);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataCopyright:
+        tempBuf.Copy(KMetaDataCopyright);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataOriginalArtist:
+        tempBuf.Copy(KMetaDataOriginalArtist);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataUrl:
+        tempBuf.Copy(KMetaDataUrl);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataUserUrl:
+        tempBuf.Copy(KMetaDataUserUrl);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataJpeg:
+        tempBuf.Copy(KMetaDataJpeg);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataVendor:
+        tempBuf.Copy(KMetaDataVendor);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataRating:
+        tempBuf.Copy(KMetaDataRating);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataUniqueFileIdentifier:
+        tempBuf.Copy(KMetaDataUniqueFileIdentifier);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataDuration:
+        tempBuf.Copy(KMetaDataDuration);
+        keyString = tempBuf.AllocL();
+        break;
+    case EMetaDataDate:
+        tempBuf.Copy(KMetaDataDate);
+        keyString = tempBuf.AllocL();
+        break;
+    default:
+        DEBUG("MMA::CMMAAudioStreamMetaDataControl::GetKeyL, default case should not occur");
+    }
+
+    DEBUG("MMA::CMMAAudioStreamMetaDataControl::GetKeyL -");
+    return keyString;
+}
+
+/*
+* Get fieldId for the given key string
+*/
+TMetaDataFieldId CMMAAudioStreamMetaDataControl::GetFieldId(const TDesC& aKey, TBool& aCompare)
+{
+    DEBUG("MMA::CMMAAudioStreamMetaDataControl::GetFieldId +");
+    TMetaDataFieldId fieldId = EUnknownMetaDataField;
+    aCompare = true; // found
+
+    if (0 == aKey.Compare(KMetaDataSongTitle()))
+    {
+        fieldId = EMetaDataSongTitle;
+    }
+    else if (0 == aKey.Compare(KMetaDataArtist()))
+    {
+        fieldId = EMetaDataArtist;
+    }
+    else if (0 == aKey.Compare(KMetaDataAlbum()))
+    {
+        fieldId = EMetaDataAlbum;
+    }
+    else if (0 == aKey.Compare(KMetaDataArtist()))
+    {
+        fieldId = EMetaDataArtist;
+    }
+    else if (0 == aKey.Compare(KMetaDataYear()))
+    {
+        fieldId = EMetaDataYear;
+    }
+    else if (0 == aKey.Compare(KMetaDataComment()))
+    {
+        fieldId = EMetaDataComment;
+    }
+    else if (0 == aKey.Compare(KMetaDataAlbumTrack()))
+    {
+        fieldId = EMetaDataAlbumTrack;
+    }
+    else if (0 == aKey.Compare(KMetaDataGenre()))
+    {
+        fieldId = EMetaDataGenre;
+    }
+    else if (0 == aKey.Compare(KMetaDataComposer()))
+    {
+        fieldId = EMetaDataComposer;
+    }
+    else if (0 == aKey.Compare(KMetaDataCopyright()))
+    {
+        fieldId = EMetaDataCopyright;
+    }
+    else if (0 == aKey.Compare(KMetaDataOriginalArtist()))
+    {
+        fieldId = EMetaDataOriginalArtist;
+    }
+    else if (0 == aKey.Compare(KMetaDataUrl()))
+    {
+        fieldId = EMetaDataUrl;
+    }
+    else if (0 == aKey.Compare(KMetaDataUserUrl()))
+    {
+        fieldId = EMetaDataUserUrl;
+    }
+    else if (0 == aKey.Compare(KMetaDataJpeg()))
+    {
+        fieldId = EMetaDataJpeg;
+    }
+    else if (0 == aKey.Compare(KMetaDataVendor()))
+    {
+        fieldId = EMetaDataVendor;
+    }
+    else if (0 == aKey.Compare(KMetaDataRating()))
+    {
+        fieldId = EMetaDataRating;
+    }
+    else if (0 == aKey.Compare(KMetaDataUniqueFileIdentifier()))
+    {
+        fieldId = EMetaDataUniqueFileIdentifier;
+    }
+    else if (0 == aKey.Compare(KMetaDataDuration()))
+    {
+        fieldId = EMetaDataDuration;
+    }
+    else if (0 == aKey.Compare(KMetaDataDate()))
+    {
+        fieldId = EMetaDataDate;
+    }
+    else
+    {
+        aCompare = false; // not found
+    }
+
+    DEBUG("MMA::CMMAAudioStreamMetaDataControl::GetFieldId -");
+    return fieldId;
+}
+
+//  END OF FILE