--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/harvesterplugins/AudioPlugin/src/harvesteraudiopluginutils.cpp	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,335 @@
+/*
+* Copyright (c) 2006-2009 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:  Harvester audio plugin
+*
+*/
+
+
+#include <e32base.h>
+#include <apgcli.h>  // for RApaLsSession
+
+#include "harvesteraudiopluginutils.h"
+
+#include "mdsutils.h"
+#include "harvesterlog.h"
+
+_LIT( KMimeTypeMpeg,   "audio/mpeg" );
+_LIT( KMimeTypeAac,    "audio/aac" );
+_LIT( KMimeTypeAmr,    "audio/amr" );
+_LIT( KMimeTypeAwb,    "audio/amr-wb" );
+_LIT( KMimeTypeMidi,   "audio/midi" );
+_LIT( KMimeTypeSpMidi, "audio/sp-midi" );
+_LIT( KMimeTypeRng,    "application/vnd.nokia.ringing-tone" );
+_LIT( KMimeTypeMxmf,   "audio/vnd.nokia.mobile-xmf" );
+_LIT( KMimeTypeWav,    "audio/wav" );
+_LIT( KMimeTypeAu,     "audio/au" );
+_LIT( KMimeTypeWma,    "audio/x-ms-wma");
+_LIT( KMimeTypeAudioMatroska, "audio/x-matroska");
+
+_LIT( KExtensionMp3,    "mp3" );
+_LIT( KExtensionAac,    "aac" );
+_LIT( KExtensionAmr,    "amr" );
+_LIT( KExtensionAwb,    "awb" );
+_LIT( KExtensionMid,    "mid" );
+_LIT( KExtensionMidi,   "midi" );
+_LIT( KExtensionSpMid,  "spmid" );
+_LIT( KExtensionRng,    "rng" );
+_LIT( KExtensionMxmf,   "mxmf" );
+_LIT( KExtensionWav,    "wav" );
+_LIT( KExtensionAu,     "au" );
+_LIT( KExtensionWma,    "wma" );
+_LIT( KExtensionNrt,    "nrt" );
+_LIT( KExtensionMka,    "mka" );
+
+// -----------------------------------------------------------------------------
+// CAudioMDParser::NewL
+// 
+// -----------------------------------------------------------------------------
+//
+CAudioMDParser* CAudioMDParser::NewL( const TBool aAlbumArt )
+    {
+    CAudioMDParser* self = new ( ELeave ) CAudioMDParser();
+	CleanupStack::PushL( self );
+	self->ConstructL( aAlbumArt );
+	CleanupStack::Pop( self );
+
+	return self;
+    }
+
+
+// -----------------------------------------------------------------------------
+// Destructor
+// 
+// -----------------------------------------------------------------------------
+//
+CAudioMDParser::~CAudioMDParser()
+    {
+    delete iMetaDataUtility;
+    
+    iWantedMetadataFields.Close();
+    }
+
+
+// -----------------------------------------------------------------------------
+// CAudioMDParser::CAudioMDParser
+// 
+// -----------------------------------------------------------------------------
+//
+CAudioMDParser::CAudioMDParser() :
+	iMetaDataUtility( NULL ), iLastParsedFileMimeType( 0 )
+    {
+    }
+
+
+// -----------------------------------------------------------------------------
+// CAudioMDParser::ConstructL
+// 
+// -----------------------------------------------------------------------------
+//
+void CAudioMDParser::ConstructL( const TBool aAlbumArt )
+    {
+    iMetaDataUtility = CMetaDataUtility::NewL();
+
+    // initialize metadata field list for CMetaDataUtility (iMetaDataUtility)
+    iWantedMetadataFields.AppendL( EMetaDataSongTitle );
+    iWantedMetadataFields.AppendL( EMetaDataArtist );
+    iWantedMetadataFields.AppendL( EMetaDataAlbum );
+    iWantedMetadataFields.AppendL( EMetaDataGenre );
+    iWantedMetadataFields.AppendL( EMetaDataComposer );
+    iWantedMetadataFields.AppendL( EMetaDataRating );
+    iWantedMetadataFields.AppendL( EMetaDataAlbumTrack );
+    iWantedMetadataFields.AppendL( EMetaDataOriginalArtist );
+    iWantedMetadataFields.AppendL( EMetaDataDuration );
+    iWantedMetadataFields.AppendL( EMetaDataCopyright );
+    iWantedMetadataFields.AppendL( EMetaDataDate );
+    
+    if( aAlbumArt )
+        {
+        iWantedMetadataFields.AppendL( EMetaDataJpeg );
+        }
+    
+    TLinearOrder< TMimeTypeMapping<TAudioMetadataHandling> > cmp(
+    		TMimeTypeMapping<TAudioMetadataHandling>::CompareFunction);
+
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionMp3(), KMimeTypeMpeg(), 
+    		EMetaDataUtilityHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionAac(), KMimeTypeAac(), 
+    		EMetaDataUtilityHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionAmr(), KMimeTypeAmr(), 
+    		EMetaDataUtilityHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionAwb(), KMimeTypeAwb(), 
+    		EMetaDataUtilityHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+        	KExtensionWma(), KMimeTypeWma(), 
+        	EMetaDataUtilityHandling ), cmp ) );
+
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionMid(), KMimeTypeMidi(), 
+    		EFileSystemHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionMidi(), KMimeTypeMidi(), 
+    		EFileSystemHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionSpMid(), KMimeTypeSpMidi(), 
+    		EFileSystemHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionRng(), KMimeTypeRng(), 
+    		EFileSystemHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionMxmf(), KMimeTypeMxmf(), 
+    		EFileSystemHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionWav(), KMimeTypeWav(), 
+    		EFileSystemHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionAu(), KMimeTypeAu(), 
+    		EFileSystemHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+    		KExtensionNrt(), KMimeTypeRng(), 
+    		EFileSystemHandling ), cmp ) );
+    User::LeaveIfError( iMimeTypeMappings.InsertInOrder( TMimeTypeMapping<TAudioMetadataHandling>(
+            KExtensionMka(), KMimeTypeAudioMatroska(), 
+            EMetaDataUtilityHandling ), cmp ) );
+
+    }
+
+
+// -----------------------------------------------------------------------------
+// CAudioMDParser::ParseMimeType
+// 
+// -----------------------------------------------------------------------------
+//
+const TMimeTypeMapping<TAudioMetadataHandling>* CAudioMDParser::ParseMimeType( 
+		const TDesC& aFileName )
+    {
+    TPtrC ext;
+    if( MdsUtils::GetExt( aFileName, ext ) )
+    	{
+    	TMimeTypeMapping<TAudioMetadataHandling> finder(ext);
+    	
+    	TLinearOrder< TMimeTypeMapping<TAudioMetadataHandling> > cmp(
+    			TMimeTypeMapping<TAudioMetadataHandling>::CompareFunction);
+    	
+    	TInt pos = iMimeTypeMappings.FindInOrder( finder, cmp );
+    	
+    	if( KErrNotFound != pos )
+    		{
+    		iLastParsedFileMimeType = pos;
+    		return &iMimeTypeMappings[ pos ];
+    		}
+    	}
+
+    return NULL;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CAudioMDParser::ParseL
+// 
+// -----------------------------------------------------------------------------
+//
+TBool CAudioMDParser::ParseL( const TDesC& aFileName )
+    {
+    TBuf8<KMaxDataTypeLength> mime;
+    mime.Copy( iMimeTypeMappings[ iLastParsedFileMimeType ].iMimeType );
+    iMetaDataUtility->OpenFileL( aFileName, iWantedMetadataFields, mime );
+    
+    return iMetaDataUtility->MetaDataCount() > 0;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CAudioMDParser::MetaDataFieldL
+// 
+// -----------------------------------------------------------------------------
+//
+TPtrC CAudioMDParser::MetaDataFieldL( TInt aFieldId )
+    {
+    const CMetaDataFieldContainer& metaCont = iMetaDataUtility->MetaDataFieldsL();
+    
+    TMetaDataFieldId id = MapFieldId( aFieldId );
+    return metaCont.Field( id );  // returns KNullDesC if not found
+    }
+
+// -----------------------------------------------------------------------------
+// CAudioMDParser::MetaDataFieldL
+// 
+// -----------------------------------------------------------------------------
+//
+TPtrC8 CAudioMDParser::MetaDataField8L( TInt aFieldId )
+    {
+    const CMetaDataFieldContainer& metaCont = iMetaDataUtility->MetaDataFieldsL();
+    
+    TMetaDataFieldId id = MapFieldId( aFieldId );
+    return metaCont.Field8( id );  // returns KNullDesC if not found
+    }
+
+// -----------------------------------------------------------------------------
+// CAudioMDParser::ResetL
+// 
+// -----------------------------------------------------------------------------
+//
+void CAudioMDParser::ResetL()
+    {
+    iMetaDataUtility->ResetL();
+    }
+
+// -----------------------------------------------------------------------------
+// CAudioMDParser::MapFieldId
+// 
+// -----------------------------------------------------------------------------
+//
+TMetaDataFieldId CAudioMDParser::MapFieldId( TInt aFieldId )
+    {
+    TMetaDataFieldId id = EMetaDataSongTitle;
+    
+    switch ( aFieldId )
+        {
+        case EAudioMDFieldSong:
+            {
+            id = EMetaDataSongTitle;
+            break;
+            }
+        case EAudioMDFieldArtist:
+            {
+            id = EMetaDataArtist;
+            break;
+            }
+        case EAudioMDFieldAlbum:
+            {
+            id = EMetaDataAlbum;
+            break;
+            }
+        case EAudioMDFieldGenre:
+            {
+            id = EMetaDataGenre;
+            break;
+            }
+        case EAudioMDFieldComposer:
+            {
+            id = EMetaDataComposer;
+            break;
+            }
+        case EAudioMDFieldRating:
+            {
+            id = EMetaDataRating;
+            break;
+            }
+        case EAudioMDFieldTrack:
+            {
+            id = EMetaDataAlbumTrack;
+            break;
+            }
+        case EAudioMDFieldOriginalArtist:
+            {
+            id = EMetaDataOriginalArtist;
+            break;
+            }
+        case EAudioMDFieldDuration:
+            {
+            id = EMetaDataDuration;
+            break;
+            }
+        case EAudioMDFieldCopyright:
+            {
+            id = EMetaDataCopyright;
+            break;
+            }
+        case EAudioMDFieldDate:
+            {
+            id = EMetaDataDate;
+            break;
+            }
+        case EAudioMDFieldJpeg:
+            {
+            id = EMetaDataJpeg;
+            break;
+            }
+
+        default:
+            {
+#ifdef _DEBUG
+            _LIT( KPanicCategory,"HarvesterAudioPlugin" );
+            __ASSERT_DEBUG( EFalse, User::Panic( KPanicCategory,  KErrArgument ) );
+#endif
+            break;
+            }
+        }
+        
+    return id;
+    }