mtpdataproviders/mtpimagedp/src/cmtpimagedpcopyobject.cpp
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201044_04
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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 <bautils.h>
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#include <pathinfo.h> // PathInfo
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#include <sysutil.h>
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#include <mtp/mmtpdataproviderframework.h>
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#include <mtp/mmtpobjectmgr.h>
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#include <mtp/mmtpstoragemgr.h>
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#include <mtp/cmtpobjectmetadata.h>
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#include <mtp/cmtptypearray.h>
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#include <mtp/cmtptypestring.h>
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#include "cmtpimagedpcopyobject.h"
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#include "mtpimagedppanic.h"
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#include "mtpimagedputilits.h"
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#include "cmtpimagedp.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "cmtpimagedpcopyobjectTraces.h"
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#endif
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const TInt RollbackFuncCnt = 1;
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/**
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Verification data for the CopyObject request
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*/
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const TMTPRequestElementInfo KMTPCopyObjectPolicy[] = 
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    {
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        {TMTPTypeRequest::ERequestParameter2, EMTPElementTypeStorageId, EMTPElementAttrWrite, 0, 0, 0},
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        {TMTPTypeRequest::ERequestParameter3, EMTPElementTypeObjectHandle, EMTPElementAttrDir, 1, 0, 0}
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    };
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/**
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Two-phase construction method
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@param aPlugin	The data provider plugin
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@param aFramework	The data provider framework
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@param aConnection	The connection from which the request comes
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@return a pointer to the created request processor object
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*/     
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MMTPRequestProcessor* CMTPImageDpCopyObject::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection,CMTPImageDataProvider& aDataProvider)
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    {
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    CMTPImageDpCopyObject* self = new (ELeave) CMTPImageDpCopyObject(aFramework, aConnection,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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Destructor
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*/	
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CMTPImageDpCopyObject::~CMTPImageDpCopyObject()
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    {	
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    OstTraceFunctionEntry0( CMTPIMAGEDPCOPYOBJECT_CMTPIMAGEDPCOPYOBJECT_DES_ENTRY );
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    delete iDest;
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    delete iFileMan;
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    delete iSrcObjectInfo;
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    delete iTargetObjectInfo;
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    iRollbackActionL.Close();
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    OstTraceFunctionExit0( CMTPIMAGEDPCOPYOBJECT_CMTPIMAGEDPCOPYOBJECT_DES_EXIT );
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    }
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/**
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Standard c++ constructor
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*/	
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CMTPImageDpCopyObject::CMTPImageDpCopyObject(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection,CMTPImageDataProvider& aDataProvider) :
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    CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPCopyObjectPolicy)/sizeof(TMTPRequestElementInfo), KMTPCopyObjectPolicy),
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    iFramework(aFramework),
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    iDataProvider(aDataProvider)
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    {
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    }
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/**
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Second phase constructor
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*/
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void CMTPImageDpCopyObject::ConstructL()
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    {
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    OstTraceFunctionEntry0( CMTPIMAGEDPCOPYOBJECT_CONSTRUCTL_ENTRY );
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    iFileMan = CFileMan::NewL(iFramework.Fs());
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    iSrcObjectInfo = CMTPObjectMetaData::NewL();
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    iRollbackActionL.ReserveL(RollbackFuncCnt);
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    OstTraceFunctionExit0( CMTPIMAGEDPCOPYOBJECT_CONSTRUCTL_EXIT );
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    }
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TMTPResponseCode CMTPImageDpCopyObject::CheckRequestL()
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    {
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    OstTraceFunctionEntry0( CMTPIMAGEDPCOPYOBJECT_CHECKREQUESTL_ENTRY );
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    TMTPResponseCode responseCode = CMTPRequestProcessor::CheckRequestL();
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    if (EMTPRespCodeOK == responseCode)
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        {
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        TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
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        // Check whether object handle is valid
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        responseCode = MTPImageDpUtilits::VerifyObjectHandleL(iFramework, objectHandle, *iSrcObjectInfo);
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        }
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   116
    else if(EMTPRespCodeInvalidObjectHandle == responseCode) //we only check the parent handle
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   117
        {
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        responseCode = EMTPRespCodeInvalidParentObject;
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        }
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   120
    
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    OstTrace1( TRACE_FLOW, CMTPIMAGEDPCOPYOBJECT_CHECKREQUESTL, 
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            "CheckRequestL - Exit with responseCode = 0x%04X", responseCode );
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    OstTraceFunctionExit0( CMTPIMAGEDPCOPYOBJECT_CHECKREQUESTL_EXIT );
0
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    return responseCode;
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    }
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   126
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/**
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CopyObject request handler
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   129
*/      
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   130
void CMTPImageDpCopyObject::ServiceL()
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    {   
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    OstTraceFunctionEntry0( CMTPIMAGEDPCOPYOBJECT_SERVICEL_ENTRY );
0
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    TUint32 handle = KMTPHandleNone;
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    TMTPResponseCode responseCode = CopyObjectL(handle);
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    if(responseCode == EMTPRespCodeOK)
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        {
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        SendResponseL(EMTPRespCodeOK, 1, &handle);
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        }
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    else
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        {
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        SendResponseL(responseCode);
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        }
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    OstTraceFunctionExit0( CMTPIMAGEDPCOPYOBJECT_SERVICEL_EXIT );
0
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    }
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   146
/**
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Copy object operation
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@return the object handle of the resulting object.
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*/
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TMTPResponseCode CMTPImageDpCopyObject::CopyObjectL(TUint32& aNewHandle)
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    {
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    OstTraceFunctionEntry0( CMTPIMAGEDPCOPYOBJECT_COPYOBJECTL_ENTRY );
0
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    TMTPResponseCode responseCode = EMTPRespCodeOK;
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    aNewHandle = KMTPHandleNone;
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    GetParametersL();
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   157
    
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   158
    iNewFileName.Append(*iDest);
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   159
    const TDesC& oldFileName = iSrcObjectInfo->DesC(CMTPObjectMetaData::ESuid);
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    TParsePtrC fileNameParser(oldFileName);
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   161
    
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   162
    if((iNewFileName.Length() + fileNameParser.NameAndExt().Length()) <= iNewFileName.MaxLength())
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   163
        {
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        iNewFileName.Append(fileNameParser.NameAndExt());
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        responseCode = CanCopyObjectL(oldFileName, iNewFileName);	
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   166
        }
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   167
    else
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        {
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   169
        responseCode = EMTPRespCodeGeneralError;
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   170
        }
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   171
        
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   172
    
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   173
    if(responseCode == EMTPRespCodeOK)
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   174
        {
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        aNewHandle = CopyFileL(oldFileName, iNewFileName);
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   176
        }
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    OstTraceFunctionExit0( CMTPIMAGEDPCOPYOBJECT_COPYOBJECTL_EXIT );
0
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   178
    return responseCode;
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   179
    }
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   180
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   181
/**
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A helper function of CopyObjectL.
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   183
@param aNewFileName the new full filename after copy.
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   184
@return objectHandle of new copy of object.
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   185
*/
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   186
TUint32 CMTPImageDpCopyObject::CopyFileL(const TDesC& aOldFileName, const TDesC& aNewFileName)
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   187
    {
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   188
    OstTraceFunctionEntry0( CMTPIMAGEDPCOPYOBJECT_COPYFILEL_ENTRY );
0
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   189
    TCleanupItem anItem(FailRecover, reinterpret_cast<TAny*>(this));
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   190
    CleanupStack::PushL(anItem);
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   191
    
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   192
    GetPreviousPropertiesL(aOldFileName);
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   193
    LEAVEIFERROR(iFileMan->Copy(aOldFileName, *iDest),
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            OstTraceExt3( TRACE_ERROR, CMTPIMAGEDPCOPYOBJECT_COPYFILEL, 
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   195
                    "Copy %S to %S failed! error code %d", aOldFileName, *iDest, munged_err));
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   196
            
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   197
    iRollbackActionL.AppendL(RollBackFromFsL);
0
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   198
    SetPreviousPropertiesL(aNewFileName);
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   199
    
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   200
    iFramework.ObjectMgr().InsertObjectL(*iTargetObjectInfo);
17
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diff changeset
   201
    //check object whether it is a new image object
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diff changeset
   202
    if (MTPImageDpUtilits::IsNewPicture(*iTargetObjectInfo))
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diff changeset
   203
        {
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   204
        //increate new pictures count
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   205
        iDataProvider.IncreaseNewPictures(1);
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diff changeset
   206
        }    
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diff changeset
   207
    
0
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   208
    CleanupStack::Pop(this);
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   209
    OstTraceFunctionExit0( CMTPIMAGEDPCOPYOBJECT_COPYFILEL_EXIT );
0
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   210
    return iTargetObjectInfo->Uint(CMTPObjectMetaData::EHandle);
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   211
    }
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   212
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   213
/**
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   214
Retrieve the parameters of the request
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   215
*/	
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   216
void CMTPImageDpCopyObject::GetParametersL()
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   217
    {
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   218
    OstTraceFunctionEntry0( CMTPIMAGEDPCOPYOBJECT_GETPARAMETERSL_ENTRY );
0
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   219
    __ASSERT_DEBUG(iRequestChecker, Panic(EMTPImageDpRequestCheckNull));
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   220
    
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   221
    TUint32 objectHandle  = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
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   222
    iStorageId = Request().Uint32(TMTPTypeRequest::ERequestParameter2);
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   223
    TUint32 parentObjectHandle  = Request().Uint32(TMTPTypeRequest::ERequestParameter3);       
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   224
    
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   225
    if(parentObjectHandle == 0)
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   226
        {
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   227
        SetDefaultParentObjectL();
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   228
        }
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   229
    else	
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   230
        {
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   231
        CMTPObjectMetaData* parentObjectInfo = iRequestChecker->GetObjectInfo(parentObjectHandle);
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   232
        __ASSERT_DEBUG(parentObjectInfo, Panic(EMTPImageDpObjectNull));
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   233
        delete iDest;
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   234
        iDest = NULL;
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   235
        iDest = parentObjectInfo->DesC(CMTPObjectMetaData::ESuid).AllocL();        
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   236
        iNewParentHandle = parentObjectHandle;
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   237
        }
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   238
    OstTraceFunctionExit0( CMTPIMAGEDPCOPYOBJECT_GETPARAMETERSL_EXIT );
0
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   239
    }
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   240
    
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   241
/**
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   242
Get a default parent object, ff the request does not specify a parent object, 
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   243
*/
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   244
void CMTPImageDpCopyObject::SetDefaultParentObjectL()
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   245
    {
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   246
    OstTraceFunctionEntry0( CMTPIMAGEDPCOPYOBJECT_SETDEFAULTPARENTOBJECTL_ENTRY );
0
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   247
    TDriveNumber drive(static_cast<TDriveNumber>(iFramework.StorageMgr().DriveNumber(iStorageId)));
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   248
    LEAVEIFERROR(drive,
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   249
            OstTraceExt2( TRACE_ERROR, CMTPIMAGEDPCOPYOBJECT_SETDEFAULTPARENTOBJECTL, "No driver number for %d! error code %d",iStorageId, munged_err));
0
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   250
    TChar driveLetter;
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   251
    iFramework.Fs().DriveToChar(drive, driveLetter);
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   252
    TFileName driveBuf;
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   253
    driveBuf.Append(driveLetter);
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diff changeset
   254
    driveBuf = BaflUtils::RootFolderPath(driveBuf.Left(1));
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   255
    delete iDest;
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   256
    iDest = NULL;
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   257
    iDest = driveBuf.AllocL();
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   258
    iNewParentHandle = KMTPHandleNoParent;
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   259
    OstTraceFunctionExit0( CMTPIMAGEDPCOPYOBJECT_SETDEFAULTPARENTOBJECTL_EXIT );
0
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   260
    }
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   261
    
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   262
/**
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   263
Check if we can copy the file to the new location
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   264
*/
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   265
TMTPResponseCode CMTPImageDpCopyObject::CanCopyObjectL(const TDesC& aOldName, const TDesC& aNewName) const
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   266
    {
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   267
    OstTraceFunctionEntry0( CMTPIMAGEDPCOPYOBJECT_CANCOPYOBJECTL_ENTRY );
0
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   268
    TMTPResponseCode result = EMTPRespCodeOK;
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   269
    
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   270
    TEntry fileEntry;
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   271
    LEAVEIFERROR(iFramework.Fs().Entry(aOldName, fileEntry),
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   272
            OstTraceExt2( TRACE_ERROR, DUP1_CMTPIMAGEDPCOPYOBJECT_CANCOPYOBJECTL, 
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   273
                    "Gets the entry details for %S failed! error code %d", aOldName, munged_err ));
0
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   274
    TDriveNumber drive(static_cast<TDriveNumber>(iFramework.StorageMgr().DriveNumber(iStorageId)));
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   275
    LEAVEIFERROR(drive,
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            OstTraceExt2( TRACE_ERROR, DUP2_CMTPIMAGEDPCOPYOBJECT_CANCOPYOBJECTL, 
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   277
                    "Gets drive for storage %d failed! error code %d", iStorageId, munged_err ));
0
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   278
    TVolumeInfo volumeInfo;
49
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   279
    LEAVEIFERROR(iFramework.Fs().Volume(volumeInfo, drive),
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   280
            OstTraceExt2( TRACE_ERROR, DUP3_CMTPIMAGEDPCOPYOBJECT_CANCOPYOBJECTL, 
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   281
                    "Gets volume information for driver %d failed! error code %d", drive, munged_err ));            
0
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   282
    
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   283
    if(volumeInfo.iFree < fileEntry.FileSize())
0
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   284
        {
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   285
        result = EMTPRespCodeStoreFull;
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   286
        }
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   287
    else if (BaflUtils::FileExists(iFramework.Fs(), aNewName))			
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   288
        {
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   289
        result = EMTPRespCodeInvalidParentObject;
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   290
        }
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   291
	OstTrace1( TRACE_NORMAL, CMTPIMAGEDPCOPYOBJECT_CANCOPYOBJECTL, 
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   292
	        "CanCopyObjectL - Exit with response code 0x%04X", result );
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   293
    OstTraceFunctionExit0( CMTPIMAGEDPCOPYOBJECT_CANCOPYOBJECTL_EXIT );
0
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diff changeset
   294
    return result;	
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   295
    }
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parents:
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   296
    
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   297
/**
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   298
Save the object properties before doing the copy
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   299
*/
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diff changeset
   300
void CMTPImageDpCopyObject::GetPreviousPropertiesL(const TDesC& aOldFileName)
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diff changeset
   301
    {
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   302
    OstTraceFunctionEntry0( CMTPIMAGEDPCOPYOBJECT_GETPREVIOUSPROPERTIESL_ENTRY );
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   303
    LEAVEIFERROR(iFramework.Fs().Modified(aOldFileName, iDateModified),
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   304
            OstTraceExt2( TRACE_ERROR, CMTPIMAGEDPCOPYOBJECT_GETPREVIOUSPROPERTIESL, 
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diff changeset
   305
                    "Gets the last modification date and time failed for %S! error code %d", aOldFileName, munged_err ));                        
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diff changeset
   306
    OstTraceFunctionExit0( CMTPIMAGEDPCOPYOBJECT_GETPREVIOUSPROPERTIESL_EXIT );
0
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diff changeset
   307
    }
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parents:
diff changeset
   308
    
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parents:
diff changeset
   309
/**
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parents:
diff changeset
   310
Set the object properties after doing the copy
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parents:
diff changeset
   311
*/
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parents:
diff changeset
   312
void CMTPImageDpCopyObject::SetPreviousPropertiesL(const TDesC& aNewFileName)
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parents:
diff changeset
   313
    {
49
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   314
    OstTraceFunctionEntry0( CMTPIMAGEDPCOPYOBJECT_SETPREVIOUSPROPERTIESL_ENTRY );      
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diff changeset
   315
    LEAVEIFERROR(iFramework.Fs().SetModified(aNewFileName, iDateModified),
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diff changeset
   316
            OstTraceExt2( TRACE_ERROR, CMTPIMAGEDPCOPYOBJECT_SETPREVIOUSPROPERTIESL, 
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diff changeset
   317
                    "Sets the date and time for %S failed. Error code %d", aNewFileName, munged_err));
0
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parents:
diff changeset
   318
    iTargetObjectInfo = CMTPObjectMetaData::NewL();
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parents:
diff changeset
   319
    iTargetObjectInfo->SetUint(CMTPObjectMetaData::EDataProviderId, iSrcObjectInfo->Uint(CMTPObjectMetaData::EDataProviderId));
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parents:
diff changeset
   320
    iTargetObjectInfo->SetUint(CMTPObjectMetaData::EFormatCode, iSrcObjectInfo->Uint(CMTPObjectMetaData::EFormatCode));
17
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parents: 0
diff changeset
   321
    iTargetObjectInfo->SetUint(CMTPObjectMetaData::EFormatSubCode, iSrcObjectInfo->Uint(CMTPObjectMetaData::EFormatSubCode));
0
d0791faffa3f Revision: 201003
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parents:
diff changeset
   322
    iTargetObjectInfo->SetDesCL(CMTPObjectMetaData::EName, iSrcObjectInfo->DesC(CMTPObjectMetaData::EName));
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parents:
diff changeset
   323
    iTargetObjectInfo->SetUint(CMTPObjectMetaData::ENonConsumable, iSrcObjectInfo->Uint(CMTPObjectMetaData::ENonConsumable));
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parents:
diff changeset
   324
    iTargetObjectInfo->SetUint(CMTPObjectMetaData::EParentHandle, iNewParentHandle);
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parents:
diff changeset
   325
    iTargetObjectInfo->SetUint(CMTPObjectMetaData::EStorageId, iStorageId);
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parents:
diff changeset
   326
    iTargetObjectInfo->SetDesCL(CMTPObjectMetaData::ESuid, aNewFileName);
49
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diff changeset
   327
    OstTraceFunctionExit0( CMTPIMAGEDPCOPYOBJECT_SETPREVIOUSPROPERTIESL_EXIT );
0
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parents:
diff changeset
   328
    }
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parents:
diff changeset
   329
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parents:
diff changeset
   330
void CMTPImageDpCopyObject::FailRecover(TAny* aCopyOperation)
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parents:
diff changeset
   331
    {
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parents:
diff changeset
   332
    reinterpret_cast<CMTPImageDpCopyObject*>(aCopyOperation)->RollBack();
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parents:
diff changeset
   333
    }
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parents:
diff changeset
   334
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parents:
diff changeset
   335
void CMTPImageDpCopyObject::RollBack()
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parents:
diff changeset
   336
    {
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parents:
diff changeset
   337
    TInt i = iRollbackActionL.Count();
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parents:
diff changeset
   338
    while(-- i >= 0)
d0791faffa3f Revision: 201003
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parents:
diff changeset
   339
        {
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parents:
diff changeset
   340
        TRAP_IGNORE((*iRollbackActionL[i])(this));
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parents:
diff changeset
   341
        }
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parents:
diff changeset
   342
    iRollbackActionL.Reset();
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parents:
diff changeset
   343
    }
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parents:
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void CMTPImageDpCopyObject::RollBackFromFsL()
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    {
49
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    LEAVEIFERROR(iFramework.Fs().Delete(iNewFileName),
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            OstTraceExt2( TRACE_ERROR, CMTPIMAGEDPCOPYOBJECT_ROLLBACKFROMFSL, 
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                    "delete %S failed! error code %d", iNewFileName, munged_err));
0
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    }
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void CMTPImageDpCopyObject::RollBackFromFsL(CMTPImageDpCopyObject* aObject)
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    {
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    aObject->RollBackFromFsL();
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    }
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// End of file
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