mmserv/metadatautility/Src/MetaDataSourceFile.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 14 Apr 2010 16:29:54 +0300
branchRCL_3
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parent 0 71ca22bcf22a
permissions -rw-r--r--
Revision: 201013 Kit: 201015
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/*
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* Copyright (c) 2004 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:  This class implements the interface specified in CMetaDataSource
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*				 when audio source is from a file.
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*
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*/
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// INCLUDE FILES
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#include <Oma2Agent.h>
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#include <caf/caferr.h>
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#include <drmrightsinfo.h>
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#include <drmutilitytypes.h>
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#include	"MetaDataSourceFile.h"
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#ifdef _DEBUG
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#include	<e32svr.h>
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#endif
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CMetaDataSourceFile::CMetaDataSourceFile
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CMetaDataSourceFile::CMetaDataSourceFile()
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    {
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    }
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// -----------------------------------------------------------------------------
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// CMetaDataSourceFile::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CMetaDataSourceFile::ConstructL(
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	const TDesC& aFileName )
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    {
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    iFileName.Copy(aFileName);
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    TRAPD(err, iContent = CContent::NewL(aFileName, EContentShareReadWrite ));
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    if(err)
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    	{
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    	iContent = CContent::NewL(aFileName, EContentShareReadOnly );
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    	}
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    iData = iContent->OpenContentL(EPeek);
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    GetSourceAttributesL(); 
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#ifdef _DEBUG
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	RDebug::Print(_L("CMetaDataSourceFile::ConstructL - Done"));
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#endif
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	}
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// -----------------------------------------------------------------------------
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// CMetaDataSourceFile::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CMetaDataSourceFile::ConstructL(
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	RFile& aFile )
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    {
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    //iFileName.Copy(aFileName);
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    iContent = CContent::NewL(aFile);
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    iData = iContent->OpenContentL(EPeek);
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    GetSourceAttributesL();
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#ifdef _DEBUG
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	RDebug::Print(_L("CMetaDataSourceFile::ConstructL - Done"));
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#endif
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	}
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// -----------------------------------------------------------------------------
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// CMetaDataSourceFile::GetSourceAttributesL
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// -----------------------------------------------------------------------------
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//
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void CMetaDataSourceFile::GetSourceAttributesL()
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{
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#ifdef _DEBUG
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    RDebug::Print(_L("CMetaDataSourceFile::GetSourceAttributesL"));
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#endif
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    TInt value = 0;
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	TInt err = iContent->GetAttribute(EIsProtected, value);
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	if(err == KErrNone && value == 1)
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		{
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		iProtected = ETrue;
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    	}
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    value = 0; err = 0;
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    err = iData->GetAttribute(ECanPlay, value);
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    if(err == KErrNone && value == 1)
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    	{
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    	iCanPlay = ETrue;
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    	}
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    iDRMType = -1; err = 0;	
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    err = iData->GetAttribute(ContentAccess::EFileType, iDRMType);
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    if(err != KErrNone)
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    	{
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    	iDRMType = -1;
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    	}
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   // Retrieve Content ID
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   117
    TPtr cid( NULL, 0 );
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    HBufC* uniqueId( HBufC::NewLC( ContentAccess::KMaxCafUniqueId ) );
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    cid.Set( uniqueId->Des() );
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    err = iData->GetStringAttribute(ContentAccess::EContentID, cid);
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   121
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   // Verify key exist or not, if iCanPlay is false and cid is existed
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   iKeyExist = ETrue;  // Assume key is exist
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   if (err == KErrNone && iCanPlay == EFalse)
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       {
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   	    DRM::CDrmRightsInfo* ri( DRM::CDrmRightsInfo::NewLC() );
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        DRM::TDrmRightsInfo info( DRM::EURightsInfoValid );    
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        TRAP( err, ri->CheckRightsL( cid, ContentAccess::EPeek, info )) ; 
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        if (err != KErrNone || info == DRM::EURightsInfoMissing)
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            {
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            #ifdef _DEBUG
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     	      RDebug::Print(_L("CMetaDataSourceFile::GetSourceAttributesL-CheckRightsL-err=%d, info=%d"), err, info);
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            #endif
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            iKeyExist = EFalse;
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            }
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        CleanupStack::PopAndDestroy( ri );
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       }
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    CleanupStack::PopAndDestroy( uniqueId );    
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   141
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}
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   143
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   144
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// -----------------------------------------------------------------------------
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// CMetaDataSourceFile::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CMetaDataSourceFile* CMetaDataSourceFile::NewL(
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	const TDesC& aFileName )
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    {
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#ifdef _DEBUG
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	RDebug::Print(_L("CMetaDataSourceFile::NewL"));
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#endif
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	CMetaDataSourceFile* self = new( ELeave ) CMetaDataSourceFile;
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    CleanupStack::PushL( self );
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    self->ConstructL( aFileName );
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    CleanupStack::Pop();
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CMetaDataSourceFile::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CMetaDataSourceFile* CMetaDataSourceFile::NewL(
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	RFile& aFile )
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    {
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#ifdef _DEBUG
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	RDebug::Print(_L("CMetaDataSourceFile::NewL"));
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#endif
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	CMetaDataSourceFile* self = new( ELeave ) CMetaDataSourceFile;
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    CleanupStack::PushL( self );
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    self->ConstructL( aFile );
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    CleanupStack::Pop();
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    return self;
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    }
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// Destructor
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CMetaDataSourceFile::~CMetaDataSourceFile()
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	{
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	delete iData;
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	delete iContent;
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	}
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// -----------------------------------------------------------------------------
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// CMetaDataSourceFile::ReadL
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// -----------------------------------------------------------------------------
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//
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void CMetaDataSourceFile::ReadL(
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	TDes8& aDes )
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   	{
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	User::LeaveIfError( iData->Read(aDes) );
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   197
	}
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   198
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// -----------------------------------------------------------------------------
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// CMetaDataSourceFile::ReadL
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// -----------------------------------------------------------------------------
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//
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void CMetaDataSourceFile::ReadL(
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	TDes8& aDes,
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	TInt aLength )
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   	{
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   207
	User::LeaveIfError( iData->Read(aDes, aLength) );
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    }
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   209
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// -----------------------------------------------------------------------------
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// CMetaDataSourceFile::ReadL
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// -----------------------------------------------------------------------------
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//
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void CMetaDataSourceFile::ReadL(
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	TInt aPos,
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	TDes8& aDes )
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   217
    {
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    User::LeaveIfError( iData->Seek(ESeekStart, aPos) );
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	User::LeaveIfError( iData->Read(aDes) );
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    }
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   221
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// -----------------------------------------------------------------------------
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// CMetaDataSourceFile::ReadL
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// -----------------------------------------------------------------------------
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   225
//
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void CMetaDataSourceFile::ReadL(
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	TInt aPos,
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	TDes8& aDes,
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	TInt aLength )
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   230
    {
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   231
    User::LeaveIfError( iData->Seek(ESeekStart, aPos) );
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   232
	User::LeaveIfError( iData->Read(aDes, aLength) );
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    }
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   234
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// -----------------------------------------------------------------------------
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// CMetaDataSourceFile::Size
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// -----------------------------------------------------------------------------
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//
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   239
TInt CMetaDataSourceFile::Size(
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	TInt& aSize ) const
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   241
    {
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    TRAPD(err, iData->DataSizeL(aSize) );
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   243
    if(err)
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    	{
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    	return (KErrNotFound);
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   246
    	}
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   247
    else
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    	{
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   249
    	return err;
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    	}
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    }
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TInt CMetaDataSourceFile::Seek(TSeek aMode,TInt& aPos) const
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{
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	return iData->Seek(aMode, aPos);
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}
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   258
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TBool CMetaDataSourceFile::FileProtected() const
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{
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    return iProtected;
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   263
}
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TBool CMetaDataSourceFile::CanPlay() const
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{
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    return iCanPlay;
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}
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   269
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TInt CMetaDataSourceFile::DrmType() const
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{
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    return iDRMType;
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}
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TBool CMetaDataSourceFile::KeyExist() const
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{
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    return iKeyExist;
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}
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TInt CMetaDataSourceFile::GetStringAttribute(TInt aAttribute, TDes& aValue) const
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{
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	if(aAttribute == ERecordingYear)
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	{
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		TInt year = 0;
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		TInt err = iData->GetAttribute(aAttribute, year);
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		if(err != KErrNone)
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   287
		{
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   288
			return err;	
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   289
		}
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   290
		if(year >= 0)
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   291
		{
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   292
			aValue.AppendNum(year); 
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   293
			return KErrNone;
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   294
		}
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   295
		return KErrCorrupt;
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   296
	}
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   297
	return iData->GetStringAttribute(aAttribute, aValue);
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   298
}
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   299
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   300
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   301
    
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   302
TInt CMetaDataSourceFile::GetAttributeL(TInt aAttribute, HBufC8** albumArt)
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   303
{
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   304
	TBuf<256> coverUriValue;
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   305
	TInt err = KErrNone;
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diff changeset
   306
	err = iContent->GetStringAttribute( aAttribute, coverUriValue );	
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   307
	if(err != KErrNone)
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   308
		{
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   309
		return err;
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   310
		}
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diff changeset
   311
	
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   312
	CData* albumArtPart = iContent->OpenContentL( EView, coverUriValue );
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   313
	if(albumArtPart == NULL)
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   314
		{
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   315
		return KErrNotFound;
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diff changeset
   316
		}
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   317
	CleanupStack::PushL(albumArtPart);
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parents:
diff changeset
   318
	
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   319
	TInt albumArtDataSize = 0;
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parents:
diff changeset
   320
	albumArtPart->DataSizeL(albumArtDataSize);
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parents:
diff changeset
   321
    (*albumArt) = HBufC8::NewL(albumArtDataSize);
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   322
    TPtr8 albumArtData = (*albumArt)->Des();
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parents:
diff changeset
   323
    err = albumArtPart->Read(albumArtData);
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parents:
diff changeset
   324
    CleanupStack::PopAndDestroy(); // albumArtPart
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diff changeset
   325
	return err;
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diff changeset
   326
}
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   327
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diff changeset
   328
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   329
ContentAccess::CData* CMetaDataSourceFile::DataPtr()
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   330
{
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   331
	return iData;
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diff changeset
   332
}
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parents:
diff changeset
   333
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diff changeset
   334
TDesC8& CMetaDataSourceFile::FileName()
71ca22bcf22a Revision: 201003
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parents:
diff changeset
   335
{
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   336
	return iFileName;
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parents:
diff changeset
   337
}
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parents:
diff changeset
   338
71ca22bcf22a Revision: 201003
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diff changeset
   339
RFile CMetaDataSourceFile::FileHandler()
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parents:
diff changeset
   340
{
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diff changeset
   341
	return iFileHandler;
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parents:
diff changeset
   342
}
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parents:
diff changeset
   343
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diff changeset
   344
void CMetaDataSourceFile::SetFileHandler(RFile aRFile)
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diff changeset
   345
{
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   346
	iFileHandler = aRFile;
71ca22bcf22a Revision: 201003
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parents:
diff changeset
   347
}
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parents:
diff changeset
   348
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diff changeset
   349
TBool CMetaDataSourceFile::IsFileHandler()
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diff changeset
   350
{
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diff changeset
   351
	return iIsFileHandler;
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}
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void CMetaDataSourceFile::SetIsFileHandler(TBool aIsFileHandler)
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{
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	iIsFileHandler = aIsFileHandler;
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}
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//  End of File