diff -r 000000000000 -r d0791faffa3f mtpdataproviders/mtpimagedp/src/cmtpimagedpgetobject.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mtpdataproviders/mtpimagedp/src/cmtpimagedpgetobject.cpp Tue Feb 02 01:11:40 2010 +0200 @@ -0,0 +1,148 @@ +// 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: +// + +/** + @file + @internalTechnology +*/ + +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "cmtpimagedpgetobject.h" +#include "mtpimagedppanic.h" +#include "cmtpimagedp.h" +#include "mtpimagedpconst.h" +#include "mtpimagedputilits.h" + +// Class constants. +__FLOG_STMT(_LIT8(KComponent,"ImageDpGetObject");) + +/** +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 +*/ +MMTPRequestProcessor* CMTPImageDpGetObject::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection, CMTPImageDataProvider& aDataProvider) + { + CMTPImageDpGetObject* self = new (ELeave) CMTPImageDpGetObject(aFramework, aConnection, aDataProvider); + CleanupStack::PushL(self); + self->ConstructL(); + CleanupStack::Pop(self); + return self; + } + +/** +Destructor +*/ +CMTPImageDpGetObject::~CMTPImageDpGetObject() + { + __FLOG(_L8(">> ~CMTPImageDpGetObject")); + delete iFileObject; + __FLOG(_L8("<< ~CMTPImageDpGetObject")); + __FLOG_CLOSE; + } + +/** +Standard c++ constructor +*/ +CMTPImageDpGetObject::CMTPImageDpGetObject(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection, CMTPImageDataProvider& aDataProvider) : + CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPGetObjectPolicy)/sizeof(TMTPRequestElementInfo), KMTPGetObjectPolicy), + iDataProvider(aDataProvider) + { + + } + +/** +Second-phase constructor. +*/ +void CMTPImageDpGetObject::ConstructL() + { + __FLOG_OPEN(KMTPSubsystem, KComponent); + __FLOG(_L8(">> CMTPImageDpGetObject::ConstructL")); + __FLOG(_L8("<< CMTPImageDpGetObject::ConstructL")); + } + +/** +GetObject request handler +*/ +void CMTPImageDpGetObject::ServiceL() + { + __FLOG(_L8(">> CMTPImageDpGetObject::ServiceL")); + + TUint32 objectHandle = Request().Uint32(TMTPTypeRequest::ERequestParameter1); + //does not take ownership + CMTPObjectMetaData* objectInfo = iRequestChecker->GetObjectInfo(objectHandle); + __ASSERT_DEBUG(objectInfo, Panic(EMTPImageDpObjectNull)); + + BuildFileObjectL(objectInfo->DesC(CMTPObjectMetaData::ESuid)); + SendDataL(*iFileObject); + __FLOG(_L8("<< CMTPImageDpGetObject::ServiceL")); + } + + +/** +Build the file object data set for the file requested +@param aFileName The file name of the requested object +*/ +void CMTPImageDpGetObject::BuildFileObjectL(const TDesC& aFileName) + { + __FLOG(_L8(">> CMTPImageDpGetObject::BuildFileObjectL")); + delete iFileObject; + iFileObject = NULL; + iFileObject = CMTPTypeFile::NewL(iFramework.Fs(), aFileName, EFileShareReadersOnly); + __FLOG(_L8("<< CMTPImageDpGetObject::BuildFileObjectL")); + } + +TBool CMTPImageDpGetObject::DoHandleCompletingPhaseL() + { + __FLOG(_L8(" CMTPImageDpGetObject::DoHandleResponsePhaseL - Entry")); + TInt currentNewPics = 0; + iDataProvider.Repository().Get(ENewImagesCount, currentNewPics); + if (currentNewPics != 0) + { + /** + Zero the new pictures of RProperty. + Because we think the end-use has import all pictures as long as MTP receive one getobject operation + + There are two different phases to collect new pictures: + 1. In enumeration phase, calculate new pictures value from MSS in one go. + 2. After enumeration phase, dynamically calculate new pictures value from MdS by Notifications + */ + iDataProvider.Repository().Set(ENewImagesCount, 0); + RProperty::Set(TUid::Uid(KMTPServerUID), KMTPNewPicKey, 0); + } + + __FLOG(_L8("CMTPImageDpGetObject::DoHandleResponsePhaseL - Exit")); + return CMTPRequestProcessor::DoHandleCompletingPhaseL(); + }