mmappcomponents/mmmtpdataprovider/mmmtpdpplugins/abstractmediamtpdataprovider/src/cabstractmediamtpdataprovidergetobjectpropvalue.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 13 Oct 2010 15:06:09 +0300
branchRCL_3
changeset 67 16db3449d7ba
parent 59 666f9a5a90a9
permissions -rw-r--r--
Revision: 201039 Kit: 201041
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/*
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* Copyright (c) 2009 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:  Implement the operation: getobjectpropvalue
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*
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*/
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#include <mtp/cmtptypearray.h>
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#include <f32file.h>
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#include "cabstractmediamtpdataprovidergetobjectpropvalue.h"
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#include "abstractmediamtpdataproviderconst.h"
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#include "mmmtpdplogger.h"
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#include "mmmtpdpdefs.h"
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#include "mmmtpdpconfig.h"
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// -----------------------------------------------------------------------------
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// CAbstractMediaMtpDataProviderGetObjectPropValue::NewL
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// Two-phase construction method
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// -----------------------------------------------------------------------------
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//
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MMmRequestProcessor* CAbstractMediaMtpDataProviderGetObjectPropValue::NewL( MMTPDataProviderFramework& aFramework,
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    MMTPConnection& aConnection,
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    MMmMtpDpConfig& aDpConfig )
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    {
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    CAbstractMediaMtpDataProviderGetObjectPropValue* self =
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        new ( ELeave ) CAbstractMediaMtpDataProviderGetObjectPropValue( aFramework,
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            aConnection,
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            aDpConfig );
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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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// CAbstractMediaMtpDataProviderGetObjectPropValue::ConstructL
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// Two-phase construction method
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// -----------------------------------------------------------------------------
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//
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void CAbstractMediaMtpDataProviderGetObjectPropValue::ConstructL()
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    {
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    // Do nothing
0
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    }
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// -----------------------------------------------------------------------------
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// CAbstractMediaMtpDataProviderGetObjectPropValue::~CAbstractMediaMtpDataProviderGetObjectPropValue
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// Destructor
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// -----------------------------------------------------------------------------
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//
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CAbstractMediaMtpDataProviderGetObjectPropValue::~CAbstractMediaMtpDataProviderGetObjectPropValue()
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    {
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    // Do nothing
0
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    }
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// -----------------------------------------------------------------------------
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// CAbstractMediaMtpDataProviderGetObjectPropValue::CAbstractMediaMtpDataProviderGetObjectPropValue
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// Standard c++ constructor
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// -----------------------------------------------------------------------------
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//
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CAbstractMediaMtpDataProviderGetObjectPropValue::CAbstractMediaMtpDataProviderGetObjectPropValue( MMTPDataProviderFramework& aFramework,
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    MMTPConnection& aConnection,
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    MMmMtpDpConfig& aDpConfig ) :
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    CGetObjectPropValue( aFramework, aConnection, aDpConfig )
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    {
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    // Do nothing
0
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    }
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// -----------------------------------------------------------------------------
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// CAbstractMediaMtpDataProviderGetObjectPropValue::ServiceSpecificObjectProperty
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// no need to do anything here, just leave, as this should never be
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// invoked or invalid propcode
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// -----------------------------------------------------------------------------
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//
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void CAbstractMediaMtpDataProviderGetObjectPropValue::ServiceSpecificObjectPropertyL( TUint16 aPropCode )
0
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    {
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    PRINT( _L( "MM MTP => CAbstractMediaMtpDataProviderGetObjectPropValue::ServiceSpecificObjectPropertyL" ) );
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    switch ( aPropCode )
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        {
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        case EMTPObjectPropCodeRepresentativeSampleFormat:
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            {
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            iMTPTypeUint16.Set( 0 );
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            SendDataL( iMTPTypeUint16 );
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            }
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            break;
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        case EMTPObjectPropCodeRepresentativeSampleSize: // fall through
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        case EMTPObjectPropCodeRepresentativeSampleHeight: // fall through
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        case EMTPObjectPropCodeRepresentativeSampleWidth:
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            {
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            iMTPTypeUint32.Set( 0 );
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            SendDataL( iMTPTypeUint32 );
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            }
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            break;
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        case EMTPObjectPropCodeRepresentativeSampleData:
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            {
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            if ( iMTPTypeArray != NULL )
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                {
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                delete iMTPTypeArray;
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                iMTPTypeArray = NULL;
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                }
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            iMTPTypeArray = CMTPTypeArray::NewL( EMTPTypeAUINT8 );
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   116
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            const TDesC& suid = iObjectInfo->DesC( CMTPObjectMetaData::ESuid );
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            PRINT1( _L( "MM MTP <> EMTPObjectPropCodeRepresentativeSampleData file suid=%S" ), &suid );
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            RFile sampleFile;
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            User::LeaveIfError( sampleFile.Open( iFramework.Fs(), suid, EFileShareReadersOnly ) );
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            CleanupClosePushL( sampleFile );    // + sampleFile
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   122
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            TInt size = 0;
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            User::LeaveIfError( sampleFile.Size( size ) );
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            PRINT1( _L( "MM MTP <> EMTPObjectPropCodeRepresentativeSampleData sampleFile.Size() size=%d" ), size );
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   126
17
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            if( size > 0 )
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                {
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                HBufC8* sampleData = HBufC8::NewLC( size * sizeof(TUint8) );    // + sampleData
17
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                TPtr8 samplePtr = sampleData->Des();
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                User::LeaveIfError( sampleFile.Read( samplePtr ) );
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                iMTPTypeArray->SetByDesL( samplePtr );
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                CleanupStack::PopAndDestroy( sampleData );    // - sampleData
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                }
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            CleanupStack::PopAndDestroy( &sampleFile );    // - sampleFile
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   136
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            SendDataL( *iMTPTypeArray );
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            }
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            break;
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   140
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        default:
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            PRINT( _L( "MM MTP <> CAbstractMediaMtpDataProviderGetObjectPropValue::ServiceSpecificObjectPropertyL, leave with KErrNotSupported"));
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            User::Leave( KErrNotSupported );
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        }
0
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    }
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// end of file