--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwsupport/commselements/NetSubscribe/INC/NetSignalEvent.h	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,116 @@
+// Copyright (c) 2004-2009 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
+*/
+
+#ifndef __NETSIGNALEVENT_H_
+#define __NETSIGNALEVENT_H_
+
+#include <e32base.h>
+#include <e32std.h>
+
+namespace Meta
+{
+struct SMetaData;
+}
+
+namespace NetSubscribe
+{
+
+const TInt32 KEventUid = 0x102055A9;
+
+/**
+ * Signal Id encapsulation Interface Id, Event Id and the instance handle, The instance
+ * handle represent the context of the signal and should be obtained beforehead
+ *
+ * @see STypeId
+ */
+struct SSignalId
+	{
+	SSignalId( const Meta::STypeId& aTypeId, TUint32 aHandle ) :
+		iTypeId(aTypeId),
+		iHandle(aHandle)
+		{
+		}
+	SSignalId( TUint32 aInterfaceId, TUint32 aEventId, TUint32 aHandle ) :
+		iHandle(aHandle)
+		{
+		iTypeId = Meta::STypeId::CreateSTypeId(aInterfaceId, aEventId);
+		}
+	SSignalId( TUint32 aInterfaceId, TUint32 aEventId ) :
+		iHandle(NULL)
+		{
+		iTypeId = Meta::STypeId::CreateSTypeId(aInterfaceId, aEventId);
+		}
+	inline TBool operator==(const SSignalId& obj) const
+		{ 
+		return iTypeId==obj.iTypeId && iHandle==obj.iHandle;
+		}
+	Meta::STypeId iTypeId;
+	TUint32 iHandle;
+	};
+
+class TEventBase
+/**
+A base for all event classes
+
+*/
+	{
+	};
+
+class TEvent;
+typedef void (*TSignalCallback)( TAny* , const Meta::SMetaData* );
+typedef void (*TSignalErrorCallback)(TAny* , TInt);
+
+class CNetSubscribe;
+class TEvent : public TEventBase
+/**
+An event class to convey callback info and callback data of type SMetaData.
+
+*/
+	{
+	friend class TEventClientData;
+	
+public:
+	TEvent( TAny* aThis, TSignalCallback aSignalCallback, TSignalErrorCallback aSignalErrorCallback ) :
+		iHandler( aSignalCallback ),
+		iErrHandler( aSignalErrorCallback ),
+		iThis( aThis )
+		{
+		}
+	TEvent( TAny* aThis, TSignalCallback aSignalCallback ) :
+		iHandler( aSignalCallback ),
+		iErrHandler( NULL ),
+		iThis( aThis )
+		{
+		}
+		
+	IMPORT_C void SubscribeL(CNetSubscribe& aSubscribe, const SSignalId& aSignalId );
+	IMPORT_C void Cancel(CNetSubscribe& aSubscribe);
+
+protected:
+	TSignalCallback iHandler;
+	TSignalErrorCallback iErrHandler;
+	TAny* iThis;
+	};
+
+} // namespace NetSubscribe
+
+
+#endif // __NETSUBSCRIBE_H_
+