// Copyright (c) 2008-2009 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:

// An active object wrapper to manage the network location data bus. This is the P&S bus

// that the network location manager publishes onto. 

// The location server and others subscribe to this bus.

// 

//

/**

 @file

 @InternalComponent

*/

#ifndef __LBSNETDATABUS_H__

#define __LBSNETDATABUS_H__

#include <e32base.h>

#include "LbsInternalInterface.h"

#include "mdatabusobserver.h"

/**

The panic codes for the location data bus object.

*/

enum TNetDataBusPanic

	{

	/** 

	An instance of the MLocDataBusObserver has not been passed to the object.

	The panic category will be "NetDataBus". The panic value is zero.

	*/

	ENetDataBusObserverNotSet = 0

	};

/**

Sanity wrapper around the RLbsPositionUpdate

Assume something else (root) has already called RLbsPositionUpdates::InitializeL()!

Don't do this in the ConstructL, just call RLbsPositionUpdates::OpenL

*/

class CNETDataBus : public CActive

	{

public:

	static CNETDataBus* NewL(MDataBusObserver* aObserver, const TUid& aModuleId);

	void ConstructL();

	~CNETDataBus();

	void Subscribe();

	void UnSubscribe();

	TInt GetLastPositionInfo(TPositionInfo& aPosInfo, TTime& aActualTime);

private:

	CNETDataBus(MDataBusObserver* aObserver, const TUid& aModuleId);

	// from CActive

	void RunL();

	void DoCancel();

	TInt RunError(TInt aError);

private:

	MDataBusObserver*		iObs;

	RLbsPositionUpdates		iNETDataBus; 	// RProperty wrapper

	TUid					iModuleId;		// module id (of the netloc manager) which identifies the bus 

	TPositionInfo			iPositionInfo;  // position info data from Network

	};

#endif // __LBSNETDATABUS_H__