mtpdataproviders/mtpimagedp/src/cmtpimagedprenameobject.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 14 May 2010 16:42:01 +0300
changeset 22 a5c0bb5018eb
parent 0 d0791faffa3f
child 47 63cf70d3ecd8
permissions -rw-r--r--
Revision: 201019 Kit: 201019
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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:
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//
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/**
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 @file
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 @internalTechnology
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*/
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#include <f32file.h>
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#include <mtp/mmtpdataproviderframework.h>
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#include <mtp/mmtpobjectmgr.h>
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#include <mtp/cmtpobjectmetadata.h>
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#include <mtp/tmtptypeuint32.h>
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#include "cmtpimagedprenameobject.h"
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#include "cmtpimagedp.h"
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__FLOG_STMT(_LIT8(KComponent,"CMTPImageDpRenameObject");)
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const TInt KMmMtpRArrayGranularity = 4;
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const TInt KUpdateThreshold = 30;
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const TInt KMaxFileNameLength = 260;
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CMTPImageDpRenameObject* CMTPImageDpRenameObject::NewL(MMTPDataProviderFramework& aFramework, CMTPImageDataProvider& aDataProvider)
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    {
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    CMTPImageDpRenameObject* self = new ( ELeave ) CMTPImageDpRenameObject(aFramework, aDataProvider);
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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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// CMTPImageDpRenameObject::CMTPImageDpRenameObject
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// Standard C++ Constructor
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// -----------------------------------------------------------------------------
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//
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CMTPImageDpRenameObject::CMTPImageDpRenameObject(MMTPDataProviderFramework& aFramework, CMTPImageDataProvider& aDataProvider) :
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    CActive(EPriorityStandard),
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    iFramework(aFramework),
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    iDataProvider(aDataProvider),
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    iObjectHandles(KMmMtpRArrayGranularity)
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    {
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    __FLOG_OPEN(KMTPSubsystem, KComponent);
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    __FLOG(_L8("CMTPImageDpRenameObject::CMTPImageDpRenameObject"));    
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    }
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// -----------------------------------------------------------------------------
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// CMTPImageDpRenameObject::~CMTPImageDpRenameObject
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// destructor
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// -----------------------------------------------------------------------------
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//
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CMTPImageDpRenameObject::~CMTPImageDpRenameObject()
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    {
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    __FLOG(_L8(">> ~CMTPImageDpRenameObject"));
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    Cancel();
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    iObjectHandles.Close();
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    delete iObjectInfo;
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    delete iParentObjectInfo;
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    iNewFileName.Close();
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    delete iRenameWaiter;
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    __FLOG(_L8("<< ~CMTPImageDpRenameObject"));
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    __FLOG_CLOSE;    
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    }
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// -----------------------------------------------------------------------------
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// CMTPImageDpRenameObject::StartL
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//
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// -----------------------------------------------------------------------------
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//
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void CMTPImageDpRenameObject::StartL(const TUint32 aParentHandle, const TDesC& /*aOldFolderName*/)
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    {
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    __FLOG_VA((_L16(">> CMTPImageDpRenameObject::StartL aParentHandle(0x%x)"), aParentHandle));
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    iObjectHandles.Reset();
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    GenerateObjectHandleListL(aParentHandle);
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    iCount = iObjectHandles.Count();
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    __FLOG_VA((_L8(">> CMTPImageDpRenameObject::StartL handle count = %u"), iCount));
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    if (iCount > 0)
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        {
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        iIndex = 0;
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        TRequestStatus* status = &iStatus;
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        User::RequestComplete( status, iStatus.Int() );
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        SetActive();
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        iRenameWaiter->Start();
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        iObjectHandles.Reset();
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        }
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    __FLOG(_L8("<< CMTPImageDpRenameObject::StartL"));
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    }
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// -----------------------------------------------------------------------------
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// CMTPImageDpRenameObject::DoCancel()
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// Cancel the rename object process
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// -----------------------------------------------------------------------------
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//
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void CMTPImageDpRenameObject::DoCancel()
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    {
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    }
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// -----------------------------------------------------------------------------
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// CMTPImageDpRenameObject::RunL
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//
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// -----------------------------------------------------------------------------
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//
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void CMTPImageDpRenameObject::RunL()
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    {
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    __FLOG_VA((_L8(">> CMTPImageDpRenameObject::RunL iIndex = %d"), iIndex));
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    if (iIndex < iCount)
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        {
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        TInt threshold = KUpdateThreshold;
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        for (;iIndex < iCount && threshold > 0; ++iIndex, --threshold)
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            {
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            if (iFramework.ObjectMgr().ObjectL(iObjectHandles[iIndex], *iObjectInfo))
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                {
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                //get parent object info
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                if (iFramework.ObjectMgr().ObjectL(iObjectInfo->Uint(CMTPObjectMetaData::EParentHandle), *iParentObjectInfo))
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                    {                    
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                    TParsePtrC objectUri = TParsePtrC(iObjectInfo->DesC(CMTPObjectMetaData::ESuid));
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                    TParsePtrC parentUri = TParsePtrC(iParentObjectInfo->DesC(CMTPObjectMetaData::ESuid));
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                    iNewFileName.Zero();
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                    iNewFileName.Append(parentUri.DriveAndPath());
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                    iNewFileName.Append(objectUri.NameAndExt());
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                    iNewFileName.Trim();
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                    __FLOG_VA((_L16("New file name(%S)"), &iNewFileName));
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                    // update framework metadata DB
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                    iObjectInfo->SetDesCL(CMTPObjectMetaData::ESuid, iNewFileName);
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                    iObjectInfo->SetUint(CMTPObjectMetaData::EObjectMetaDataUpdate, 1);
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                    iFramework.ObjectMgr().ModifyObjectL(*iObjectInfo);                  
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                    }                
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                }         
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            }
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        TRequestStatus* status = &iStatus;
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        User::RequestComplete(status, iStatus.Int());
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        SetActive();
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        }
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    else
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        {
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        if(iRenameWaiter->IsStarted())
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            iRenameWaiter->AsyncStop();
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        }
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    __FLOG(_L8("<< CMTPImageDpRenameObject::RunL"));
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    }
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// -----------------------------------------------------------------------------
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// CMTPImageDpRenameObject::RunError
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//
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// -----------------------------------------------------------------------------
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//
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TInt CMTPImageDpRenameObject::RunError( TInt aError )
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    {
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    if (aError != KErrNone)
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        __FLOG_VA((_L8(">> CMTPImageDpRenameObject::RunError with error %d"), aError));
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    return KErrNone;
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    }
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// -----------------------------------------------------------------------------
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// CMTPImageDpRenameObject::ConstructL
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//
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// -----------------------------------------------------------------------------
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//
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void CMTPImageDpRenameObject::ConstructL()
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    {
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    __FLOG(_L8(">> CMTPImageDpRenameObject::ConstructL"));
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    CActiveScheduler::Add( this );
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   188
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    iObjectInfo = CMTPObjectMetaData::NewL();
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    iParentObjectInfo = CMTPObjectMetaData::NewL();
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    iNewFileName.CreateL(KMaxFileNameLength);
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    iRenameWaiter = new( ELeave ) CActiveSchedulerWait;
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    __FLOG(_L8("<< CMTPImageDpRenameObject::ConstructL"));
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    }
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// -----------------------------------------------------------------------------
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// CMTPImageDpRenameObject::GenerateObjectHandleListL
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//
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// -----------------------------------------------------------------------------
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//
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void CMTPImageDpRenameObject::GenerateObjectHandleListL(TUint32 aParentHandle)
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    {
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    __FLOG_VA((_L8(">> CMTPImageDpRenameObject::GenerateObjectHandleListL aParentHandle(0x%x)"), aParentHandle));
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    RMTPObjectMgrQueryContext context;
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    RArray<TUint> handles;
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    CleanupClosePushL(context); // + context
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    CleanupClosePushL(handles); // + handles
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   208
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    TMTPObjectMgrQueryParams params(KMTPStorageAll, KMTPFormatsAll, aParentHandle);
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    do
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        {
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        iFramework.ObjectMgr().GetObjectHandlesL(params, context, handles);
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   213
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        TInt numberOfObjects = handles.Count();
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        for (TInt i = 0; i < numberOfObjects; i++)
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            {
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            if (iFramework.ObjectMgr().ObjectOwnerId(handles[i]) == iFramework.DataProviderId())
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                {
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                iObjectHandles.AppendL(handles[i]);
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                continue;
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                }
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   222
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            // Folder
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            // TODO: need to modify, should not know device dp id
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            if (iFramework.ObjectMgr().ObjectOwnerId(handles[i]) == 0) // We know that the device dp id is always 0, otherwise the whole MTP won't work.
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                {
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                GenerateObjectHandleListL(handles[i]);
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                }
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            }
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        }
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    while (!context.QueryComplete());
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    CleanupStack::PopAndDestroy(&handles); // - handles
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    CleanupStack::PopAndDestroy(&context); // - context
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    __FLOG(_L8("<< CMTPImageDpRenameObject::GenerateObjectHandleListL"));
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    }
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//end of file