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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: MPX album utility API
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*
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*/
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#include <e32std.h>
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#include <MetaDataUtility.h>
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#include <MetaDataFieldContainer.h>
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#include <mpxuser.h>
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#include <mpxmedia.h>
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#include <mpxmediamusicdefs.h>
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#include <mpxmediageneraldefs.h>
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#include <mpxlog.h>
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#include "mpxalbumartutilobserver.h"
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#include "mpximageutil.h"
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#include "mpxalbumartutil.h"
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#include <thumbnaildata.h>
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#include <thumbnailobjectsource.h>
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_LIT( KMPXAlbumMimeType, "audio/mpeg3" );
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// ============================== MEMBER FUNCTIONS ============================
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// ----------------------------------------------------------------------------
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// Create the playback utility object
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// ----------------------------------------------------------------------------
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//
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EXPORT_C CMPXAlbumArtUtil* CMPXAlbumArtUtil::NewL()
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{
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CMPXAlbumArtUtil* self = new(ELeave)CMPXAlbumArtUtil();
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(self);
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return self;
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}
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// ----------------------------------------------------------------------------
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// Destructor
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// ----------------------------------------------------------------------------
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//
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EXPORT_C CMPXAlbumArtUtil::~CMPXAlbumArtUtil()
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{
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if (iArtUtil)
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{
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iArtUtil->CancelRequest();
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delete iArtUtil;
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}
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if(iFilename)
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{
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delete iFilename;
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iFilename = NULL;
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}
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delete iThumbnailManager;
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}
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// ----------------------------------------------------------------------------
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// Constructor
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// ----------------------------------------------------------------------------
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//
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CMPXAlbumArtUtil::CMPXAlbumArtUtil()
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{
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}
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// ----------------------------------------------------------------------------
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// Constructor
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// ----------------------------------------------------------------------------
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//
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void CMPXAlbumArtUtil::ConstructL()
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{
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MPX_FUNC("CMPXAlbumArtUtil::ConstructL()");
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iThumbnailManager = CThumbnailManager::NewL( *this );
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iThumbnailManager->SetFlagsL( CThumbnailManager::EDefaultFlags );
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iThumbnailManager->SetQualityPreferenceL( CThumbnailManager::EOptimizeForPerformance );
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}
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// ----------------------------------------------------------------------------
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// Create the playback utility object
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// ----------------------------------------------------------------------------
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//
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EXPORT_C void CMPXAlbumArtUtil::ExtractAlbumArtL(const CMPXMedia& aMedia,
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MMPXAlbumArtUtilObserver& aObs,
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const TSize& aSize,
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TBool aLargestFromCache,
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TDisplayMode aDisplayMode /*= EColor64K*/)
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{
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MPX_DEBUG1("CMPXAlbumArtUtil::ExtractAlbumArtL(): Entering");
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MPX_DEBUG_THREAD("CMPXAlbumArtUtil::ExtractAlbumArtL()");
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if(iFilename)
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{
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delete iFilename;
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iFilename = NULL;
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}
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if ( iArtUtil )
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{
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delete iArtUtil;
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iArtUtil = NULL;
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}
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iArtUtil = CMPXImageUtil::NewL(aObs);
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iDisplayMode = aDisplayMode;
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iImageSize = aSize;
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iObserver = &aObs;
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if (aMedia.IsSupported( KMPXMediaMusicAlbumArtFileName ))
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{
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if ( aMedia.ValueText( KMPXMediaMusicAlbumArtFileName ).Length() == 0)
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{
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iReqId = 0;
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User::Leave( KErrNotFound );
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}
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}
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if ( aMedia.IsSupported( KMPXMediaGeneralUri ) &&
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aMedia.IsSupported( KMPXMediaMusicAlbumArtFileName ))
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{
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iFilename = aMedia.ValueText( KMPXMediaMusicAlbumArtFileName ).AllocL();
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if ( aLargestFromCache )
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{
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iThumbnailManager->SetThumbnailSizeL(EAudioFullScreenThumbnailSize);
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}
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else
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{
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iThumbnailManager->SetThumbnailSizeL(aSize);
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}
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ExtractThumbnailL(&aMedia);
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}
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else
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{
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User::Leave( KErrNotFound );
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}
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MPX_DEBUG1("CMPXAlbumArtUtil::ExtractAlbumArtL(): Exiting");
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}
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// -----------------------------------------------------------------------------
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// Cancel Asynch requests
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CMPXAlbumArtUtil::CancelRequest()
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{
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MPX_DEBUG1("CMPXAlbumArtUtil::CancelRequest(): Entering");
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if ( iArtUtil )
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{
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iArtUtil->CancelRequest();
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delete iArtUtil;
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iArtUtil = 0;
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}
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if ( iThumbnailManager && iReqId > 0 )
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{
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iThumbnailManager->CancelRequest(iReqId);
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}
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iReqId = 0;
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MPX_DEBUG1("CMPXAlbumArtUtil::CancelRequest(): Exiting");
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}
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// ----------------------------------------------------------------------------
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// Extract binary data from file
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// ----------------------------------------------------------------------------
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//
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HBufC8* CMPXAlbumArtUtil::ExtractBinaryMetaDataLC(const TDesC& aFilename,
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TMetaDataFieldId aFieldId)
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{
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MPX_DEBUG1("CMPXAlbumArtUtil::ExtractBinaryMetaDataLC(): Entering");
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HBufC8* ret(NULL);
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if (EUnknownMetaDataField != aFieldId)
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{
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CMetaDataUtility* metaDataUtil = CMetaDataUtility::NewL();
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CleanupStack::PushL( metaDataUtil );
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RArray<TMetaDataFieldId> wantedFields;
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CleanupClosePushL(wantedFields);
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wantedFields.AppendL(aFieldId);
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metaDataUtil->OpenFileL(aFilename, wantedFields);
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const CMetaDataFieldContainer& metaCont =
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metaDataUtil->MetaDataFieldsL();
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TPtrC data = metaCont.Field( aFieldId );
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if(data.Length()==0)
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{
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User::Leave( KErrNotFound );
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}
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ret = MPXUser::Alloc8L(data);
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CleanupStack::PopAndDestroy(&wantedFields);
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CleanupStack::PopAndDestroy(metaDataUtil);
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CleanupStack::PushL( ret );
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}
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else
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{
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ret = HBufC8::NewLC(0);
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}
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MPX_DEBUG1("CMPXAlbumArtUtil::ExtractBinaryMetaDataLC(): Exiting");
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return ret;
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}
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// -----------------------------------------------------------------------------
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// Preview thumbnail generation or loading is complete.
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// -----------------------------------------------------------------------------
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//
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void CMPXAlbumArtUtil::ThumbnailPreviewReady(
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MThumbnailData& /*aThumbnail*/,
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TThumbnailRequestId /*aId*/ )
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{
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MPX_FUNC( "CMPXAlbumArtUtil::ThumbnailPreviewReady" );
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// Not used
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}
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// -----------------------------------------------------------------------------
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// Final thumbnail bitmap generation or loading is complete.
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// -----------------------------------------------------------------------------
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//
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void CMPXAlbumArtUtil::ThumbnailReady(
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TInt aError, MThumbnailData& aThumbnail,
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TThumbnailRequestId aId )
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{
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MPX_DEBUG2( "CMPXAlbumArtUtil::ThumbnailReady error = %d", aError);
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if (aError == KErrNone)
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{
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CFbsBitmap* tempBitmap;
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tempBitmap = aThumbnail.DetachBitmap();
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if (tempBitmap)
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{
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if(iReqId == aId)
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{
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iObserver->ExtractAlbumArtCompleted( tempBitmap, KErrNone );
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}
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else
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{
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delete tempBitmap;
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}
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}
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else if(iReqId == aId)
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{
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iObserver->ExtractAlbumArtCompleted( NULL, KErrNotFound );
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}
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}
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else if (iArtUtil && iFilename)
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{
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TRAPD( err,
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HBufC8* art( ExtractBinaryMetaDataLC(iFilename->Des(),EMetaDataJpeg ));
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CleanupStack::Pop(art);
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iArtUtil->StartToDecodeL(iImageSize, art, iDisplayMode) );
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if (err != KErrNone)
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{
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iObserver->ExtractAlbumArtCompleted( NULL, KErrNotFound );
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}
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}
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iReqId = 0;
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}
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// -----------------------------------------------------------------------------
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// Extract Thumbnail for the current song
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// -----------------------------------------------------------------------------
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//
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void CMPXAlbumArtUtil::ExtractThumbnailL(
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const CMPXMedia* aMedia)
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{
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MPX_FUNC("CMPXAlbumArtUtil::ExtractThumbnailL");
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TMPXItemId currentId( aMedia->ValueTObjectL<TMPXItemId>( KMPXMediaGeneralId ) );
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if (currentId == KMPXInvalidItemId )
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{
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User::Leave( KErrNotFound );
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}
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if (aMedia->IsSupported( KMPXMediaMusicAlbumArtFileName ) )
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{
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const TDesC& album = aMedia->ValueText( KMPXMediaMusicAlbumArtFileName );
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#ifdef _DEBUG
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RDebug::RawPrint(album);
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#endif
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if (album.Compare( KNullDesC) != 0 )
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{
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CThumbnailObjectSource* source = CThumbnailObjectSource::NewLC( album, KMPXAlbumMimeType );
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TInt ret = NULL;
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if(iThumbnailManager && iReqId >0)
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{
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iThumbnailManager->CancelRequest( iReqId );
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}
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if(iThumbnailManager)
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{
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TRAPD(err, iReqId = TInt (iThumbnailManager->GetThumbnailL( *source, (TAny*)ret)));
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if( err != KErrNone)
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{
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User::Leave( KErrNotFound );
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}
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}
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CleanupStack::PopAndDestroy( source );
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}
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}
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}
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