--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpfws/mtpfw/dataproviders/devdp/src/cmtpgetnumobjects.cpp Tue Feb 02 01:11:40 2010 +0200
@@ -0,0 +1,149 @@
+// 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 <mtp/tmtptyperequest.h>
+#include <mtp/mmtpdataproviderframework.h>
+#include <mtp/mmtpobjectmgr.h>
+#include <mtp/mmtpdataprovider.h>
+#include <mtp/cmtpdataproviderplugin.h>
+
+#include "cmtpdataprovidercontroller.h"
+#include "cmtpdataprovider.h"
+
+#include "cmtpgetnumobjects.h"
+#include "mtpdevicedpconst.h"
+#include "mtpdevdppanic.h"
+
+/**
+Verification data for GetNumObjects request
+*/
+const TMTPRequestElementInfo KMTPGetNumObjectsPolicy[] =
+ {
+ {TMTPTypeRequest::ERequestParameter1, EMTPElementTypeStorageId, EMTPElementAttrNone, 1, KMTPStorageAll, 0},
+ {TMTPTypeRequest::ERequestParameter2, EMTPElementTypeFormatCode, EMTPElementAttrNone, 1, 0, 0},
+ {TMTPTypeRequest::ERequestParameter3, EMTPElementTypeObjectHandle, EMTPElementAttrDir, 2, KMTPHandleAll, 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* CMTPGetNumObjects::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection)
+ {
+ CMTPGetNumObjects* self = new (ELeave) CMTPGetNumObjects(aFramework, aConnection);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop();
+ return self;
+ }
+
+/**
+Destructor
+*/
+CMTPGetNumObjects::~CMTPGetNumObjects()
+ {
+ iSingletons.Close();
+ }
+/**
+Standard c++ constructor
+*/
+CMTPGetNumObjects::CMTPGetNumObjects(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) :
+ CMTPRequestProcessor(aFramework, aConnection, sizeof(KMTPGetNumObjectsPolicy)/sizeof(TMTPRequestElementInfo), KMTPGetNumObjectsPolicy)
+ {
+
+ }
+
+/**
+Second phase constructor.
+*/
+void CMTPGetNumObjects::ConstructL()
+ {
+ iSingletons.OpenL();
+ }
+
+TMTPResponseCode CMTPGetNumObjects::CheckRequestL()
+ {
+ TMTPResponseCode responseCode = CMTPRequestProcessor::CheckRequestL();
+ if(responseCode == EMTPRespCodeOK)
+ {
+ TUint32 formatCode = Request().Uint32(TMTPTypeRequest::ERequestParameter2);
+ if(formatCode != 0 && !IsSupportedFormatL(formatCode))
+ {
+ responseCode = EMTPRespCodeInvalidObjectFormatCode;
+ }
+ }
+ return responseCode;
+ }
+
+
+/**
+GetNumObjects request handler
+*/
+void CMTPGetNumObjects::ServiceL()
+ {
+ TMTPObjectMgrQueryParams params(Request().Uint32(TMTPTypeRequest::ERequestParameter1), Request().Uint32(TMTPTypeRequest::ERequestParameter2), Request().Uint32(TMTPTypeRequest::ERequestParameter3));
+ TUint32 count = iFramework.ObjectMgr().CountL(params);
+ SendResponseL(EMTPRespCodeOK, 1, &count);
+ }
+
+/**
+Check if the format code is supported by the current installed data providers
+*/
+TBool CMTPGetNumObjects::IsSupportedFormatL(TUint32 aFormatCode)
+ {
+ TBool supported(EFalse);
+
+ CMTPDataProviderController& dps(iSingletons.DpController());
+ const TInt count(dps.Count());
+ for (TInt i(0); ((i < count) && (!supported)); i++)
+ {
+ CMTPDataProvider& dp = dps.DataProviderByIndexL(i);
+ if (dp.DataProviderId() != dps.ProxyDpId())
+ {
+ supported = (
+ dp.Supported(EObjectCaptureFormats, aFormatCode) ||
+ dp.Supported(EObjectPlaybackFormats, aFormatCode));
+ }
+ }
+ return supported;
+ }
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