diff -r 000000000000 -r d0791faffa3f mtpdataproviders/mtppictbridgedp/src/cmtppictbridgedpgetobject.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mtpdataproviders/mtppictbridgedp/src/cmtppictbridgedpgetobject.cpp Tue Feb 02 01:11:40 2010 +0200 @@ -0,0 +1,138 @@ +// Copyright (c) 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 "cmtppictbridgedpgetobject.h" +#include "cmtppictbridgeprinter.h" +#include "mtppictbridgedppanic.h" +#include "cmtprequestchecker.h" +#include "cptpserver.h" + +/** +Verification data for the GetNumObjects request +*/ +const TMTPRequestElementInfo KMTPGetObjectPolicy[] = + { + {TMTPTypeRequest::ERequestParameter1, EMTPElementTypeObjectHandle, EMTPElementAttrFile, 0, 0, 0} + }; + +//============================================================================= +// +//============================================================================= +MMTPRequestProcessor* CMTPPictBridgeDpGetObject::NewL( + MMTPDataProviderFramework& aFramework, + MMTPConnection& aConnection, + CMTPPictBridgeDataProvider& aDataProvider) + { + CMTPPictBridgeDpGetObject* self = new (ELeave) CMTPPictBridgeDpGetObject(aFramework, aConnection, aDataProvider); + CleanupStack::PushL(self); + self->ConstructL(); + CleanupStack::Pop(self); + return self; + } + +/** +Destructor +*/ +CMTPPictBridgeDpGetObject::~CMTPPictBridgeDpGetObject() + { + __FLOG(_L8("~CMTPPictBridgeDpGetObject")); + delete iFileObject; + __FLOG_CLOSE; + } + +/** +Standard c++ constructor +*/ +CMTPPictBridgeDpGetObject::CMTPPictBridgeDpGetObject( + MMTPDataProviderFramework& aFramework, + MMTPConnection& aConnection, + CMTPPictBridgeDataProvider& aDataProvider): + CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPGetObjectPolicy)/sizeof(TMTPRequestElementInfo), KMTPGetObjectPolicy), + iPictBridgeDP(aDataProvider), + iError(EMTPRespCodeOK) + { + } + +/** +Second-phase constructor. +*/ +void CMTPPictBridgeDpGetObject::ConstructL() + { + __FLOG_OPEN(KMTPSubsystem, KComponent); + } + +/** +GetObject request handler +*/ +void CMTPPictBridgeDpGetObject::ServiceL() + { + __FLOG(_L8(">> CMTPPictBridgeDpGetObject::ServiceL")); + __ASSERT_DEBUG(iRequestChecker, Panic(EMTPPictBridgeDpRequestCheckNull)); + TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1); + //does not take ownership + CMTPObjectMetaData* objectInfo = iRequestChecker->GetObjectInfo(objectHandle); + if (!objectInfo) + { + __FLOG_VA((_L8(">> CMTPPictBridgeDpGetObject::ServiceL no object info for objectHandle %d"), objectHandle)); + // 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; + iPictBridgeDP.PtpServer()->Printer()->DpsFileSent(KErrBadHandle); + } + else + { + BuildFileObjectL(objectInfo->DesC(CMTPObjectMetaData::ESuid)); + SendDataL(*iFileObject); + iPictBridgeDP.PtpServer()->Printer()->DpsFileSent(KErrNone); + } + __FLOG(_L8("<< CMTPPictBridgeDpGetObject::ServiceL")); + } + +//============================================================================= +// +//============================================================================= +void CMTPPictBridgeDpGetObject::BuildFileObjectL(const TDesC& aFileName) + { + __FLOG(_L8(">> CMTPPictBridgeDpGetObject::BuildFileObjectL")); + delete iFileObject; + iFileObject = NULL; + iFileObject = CMTPTypeFile::NewL(iFramework.Fs(), aFileName, EFileRead); + __FLOG(_L8("<< CMTPPictBridgeDpGetObject::BuildFileObjectL")); + } + + +//============================================================================= +// +//============================================================================= +TBool CMTPPictBridgeDpGetObject::DoHandleResponsePhaseL() + { + __FLOG(_L8(">> CMTPPictBridgeDpGetObject::DoHandleResponsePhaseL")); + TMTPResponseCode responseCode = (iCancelled ? EMTPRespCodeIncompleteTransfer : iError); + SendResponseL(responseCode); + __FLOG(_L8("<< CMTPPictBridgeDpGetObject::DoHandleResponsePhaseL")); + return EFalse; + } +