--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imagehandlingutilities/thumbnailmanager/plugins/audio/src/thumbnailaudioprovider.cpp	Tue Jan 26 15:18:05 2010 +0200
@@ -0,0 +1,184 @@
+/*
+* Copyright (c) 2006-2007 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:  Audio thumbnail provider plugin
+ *
+*/
+
+
+#include <ecom/ecom.h>
+#include <implementationproxy.h>
+
+#include "thumbnailaudioprovider.h"
+#include "thumbnailimagedecoderv3.h"
+#include "thumbnailmanageruids.hrh"
+#include "thumbnaillog.h"
+#include <metadatautility.h>
+#include <metadatafieldcontainer.h>
+#include "thumbnailmanagerconstants.h"
+
+
+#ifndef IMPLEMENTATION_PROXY_ENTRY
+typedef TAny* TProxyNewLPtr;
+#define IMPLEMENTATION_PROXY_ENTRY(aUid, aFuncPtr) \
+{ {aUid}, static_cast<TProxyNewLPtr>(aFuncPtr) }
+#endif 
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CThumbnailImageProvider::NewL()
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CThumbnailAudioProvider* CThumbnailAudioProvider::NewL()
+    {
+    CThumbnailAudioProvider* self = new( ELeave )CThumbnailAudioProvider();
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailAudioProvider::CThumbnailAudioProvider()
+// C++ default constructor can NOT contain any code, that might leave.
+// ---------------------------------------------------------------------------
+//
+CThumbnailAudioProvider::CThumbnailAudioProvider()
+    {
+    TN_DEBUG1( "CThumbnailAudioProvider::CThumbnailAudioProvider()" );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailAudioProvider::~CThumbnailAudioProvider()
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CThumbnailAudioProvider::~CThumbnailAudioProvider()
+    {
+    TN_DEBUG1( "CThumbnailAudioProvider::~CThumbnailAudioProvider()" );
+    delete iImageDecoderv3;
+    REComSession::DestroyedImplementation( iDtor_ID_Key );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailAudioProvider::GetThumbnailL()
+// Provides the thumbnail image
+// ---------------------------------------------------------------------------
+//
+void CThumbnailAudioProvider::GetThumbnailL( RFs& aFs, RFile64& aFile, const
+    TDataType& aMimeType  , const CThumbnailManager::TThumbnailFlags aFlags,
+    const TDisplayMode /*aDisplayMode*/, const CThumbnailManager::TThumbnailQualityPreference /*aQualityPreference*/  )
+    {   
+    CMetaDataUtility* metaDataUtil = CMetaDataUtility::NewL();
+    CleanupStack::PushL( metaDataUtil );
+    
+    RArray<TMetaDataFieldId> wantedFields;
+    CleanupClosePushL(wantedFields);
+    wantedFields.AppendL(EMetaDataJpeg);
+    
+    metaDataUtil->OpenFileL(aFile, wantedFields, aMimeType.Des8());
+    const CMetaDataFieldContainer& metaCont = metaDataUtil->MetaDataFieldsL();
+    TPtrC8 ptr = metaCont.Field8( EMetaDataJpeg );
+    HBufC8* data = ptr.AllocL();
+    
+    CleanupStack::PushL( data );
+    
+    if(data->Length() == 0)
+      {
+      User::Leave( KErrNotFound );            
+      }
+    
+    CleanupStack::Pop( data );
+    CleanupStack::PopAndDestroy(&wantedFields);
+    CleanupStack::PopAndDestroy(metaDataUtil);
+
+    if ( !iImageDecoderv3 )
+        {
+        iImageDecoderv3 = new( ELeave )CThumbnailImageDecoderv3( aFs );
+        }
+    
+    iMimeType = TDataType(KJpegMime);
+    iFlags = aFlags;
+	//set default mode displaymode from global constants
+    iDisplayMode = KStoreDisplayMode;
+    
+    iImageDecoderv3->CreateL( data, *iObserver, iFlags, iMimeType, iTargetSize );
+    iOriginalSize = iImageDecoderv3->OriginalSize();
+    iImageDecoderv3->DecodeL( iDisplayMode );
+    }
+
+// ---------------------------------------------------------------------------
+// CThumbnailAudioProvider::GetThumbnailL()
+// Provides the thumbnail image
+// ---------------------------------------------------------------------------
+//
+void CThumbnailAudioProvider::GetThumbnailL( RFs& /* aFs */, TDesC8* /* aBuffer */, const
+    TDataType& /*aMimeType */, const CThumbnailManager::TThumbnailFlags /* aFlags */,
+    const TDisplayMode /* aDisplayMode */, const CThumbnailManager::TThumbnailQualityPreference /*aQualityPreference*/ )
+    {
+
+    }
+
+// ---------------------------------------------------------------------------
+// CThumbnailAudioProvider::GetThumbnailL()
+// Provides the thumbnail image
+// ---------------------------------------------------------------------------
+//
+void CThumbnailAudioProvider::GetThumbnailL( RFs& /* aFs */, TDesC8& /*aBuffer */)
+    {
+
+    }
+
+// ---------------------------------------------------------------------------
+// Cancel thumbnail request
+// ---------------------------------------------------------------------------
+//
+void CThumbnailAudioProvider::CancelGetThumbnail()
+    {
+    if ( iImageDecoderv3)
+        {
+        iImageDecoderv3->Cancel();
+        }
+        
+    }
+
+// ======== GLOBAL FUNCTIONS ========
+
+// -----------------------------------------------------------------------------
+// ImplementationTable
+// Define the interface UIDs
+// -----------------------------------------------------------------------------
+//
+const TImplementationProxy ImplementationTable[] = 
+    {
+    IMPLEMENTATION_PROXY_ENTRY( THUMBNAIL_AUDIO_PROVIDER_IMP_UID,
+        CThumbnailAudioProvider::NewL )
+};
+
+
+// -----------------------------------------------------------------------------
+// ImplementationGroupProxy
+// The one and only exported function that is the ECom entry point
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy( TInt&
+    aTableCount )
+    {
+    aTableCount = sizeof( ImplementationTable ) / sizeof( TImplementationProxy );
+    return ImplementationTable;
+    }
+
+//End of file