diff -r 000000000000 -r d0791faffa3f mtpfws/mtpfw/dataproviders/dputility/src/cmtpgetobject.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mtpfws/mtpfw/dataproviders/dputility/src/cmtpgetobject.cpp Tue Feb 02 01:11:40 2010 +0200 @@ -0,0 +1,143 @@ +// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// + +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "cmtpgetobject.h" +#include "mtpdppanic.h" + +// Class constants. +__FLOG_STMT(_LIT8(KComponent,"GetObject");) + +/** +Verification data for the GetNumObjects request +*/ +const TMTPRequestElementInfo KMTPGetObjectPolicy[] = + { + {TMTPTypeRequest::ERequestParameter1, EMTPElementTypeObjectHandle, EMTPElementAttrFile, 0, 0, 0} + }; + +/** +Two-phase construction method +@param aPlugin The data provider plugin +@param aFramework The data provider framework +@param aConnection The connection from which the request comes +@return a pointer to the created request processor object +*/ +EXPORT_C MMTPRequestProcessor* CMTPGetObject::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) + { + CMTPGetObject* self = new (ELeave) CMTPGetObject(aFramework, aConnection); + CleanupStack::PushL(self); + self->ConstructL(); + CleanupStack::Pop(self); + return self; + } + +/** +Destructor +*/ +EXPORT_C CMTPGetObject::~CMTPGetObject() + { + __FLOG(_L8("~CMTPGetObject - Entry")); + delete iFileObject; + __FLOG(_L8("~CMTPGetObject - Exit")); + __FLOG_CLOSE; + } + +/** +Standard c++ constructor +*/ +CMTPGetObject::CMTPGetObject(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) : + CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPGetObjectPolicy)/sizeof(TMTPRequestElementInfo), KMTPGetObjectPolicy), + iError(EMTPRespCodeOK) + { + + } + +/** +Second-phase constructor. +*/ +void CMTPGetObject::ConstructL() + { + __FLOG_OPEN(KMTPSubsystem, KComponent); + __FLOG(_L8("ConstructL - Entry")); + __FLOG(_L8("ConstructL - Exit")); + } + +/** +GetObject request handler +*/ +void CMTPGetObject::ServiceL() + { + __FLOG(_L8("ServiceL - Entry")); + __ASSERT_DEBUG(iRequestChecker, Panic(EMTPDpRequestCheckNull)); + TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1); + //does not take ownership + CMTPObjectMetaData* objectInfo = iRequestChecker->GetObjectInfo(objectHandle); + if (!objectInfo) + { + // The object handle has already been checked, so an invalid handle can + // only occur if it was invalidated during a context switch between + // the validation time and now. + iError = EMTPRespCodeInvalidObjectHandle; + } + else if ( objectInfo->Uint(CMTPObjectMetaData::EFormatCode)==EMTPFormatCodeAssociation + && objectInfo->Uint(CMTPObjectMetaData::EFormatSubCode)==EMTPAssociationTypeGenericFolder) + { + iError = EMTPRespCodeInvalidObjectHandle; + } + else + { + BuildFileObjectL(objectInfo->DesC(CMTPObjectMetaData::ESuid)); + SendDataL(*iFileObject); + } + __FLOG(_L8("ServiceL - Exit")); + } + + +/** +Build the file object data set for the file requested +@param aFileName The file name of the requested object +*/ +void CMTPGetObject::BuildFileObjectL(const TDesC& aFileName) + { + __FLOG(_L8("BuildFileObjectL - Entry")); + delete iFileObject; + iFileObject = NULL; + iFileObject = CMTPTypeFile::NewL(iFramework.Fs(), aFileName, EFileRead); + __FLOG(_L8("BuildFileObjectL - Exit")); + } + + +/** +Handle the response phase of the current request +@return EFalse +*/ +TBool CMTPGetObject::DoHandleResponsePhaseL() + { + __FLOG(_L8("DoHandleResponsePhaseL - Entry")); + TMTPResponseCode responseCode = (iCancelled ? EMTPRespCodeIncompleteTransfer : iError); + SendResponseL(responseCode); + __FLOG(_L8("DoHandleResponsePhaseL - Exit")); + return EFalse; + }