1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // An ative object wrapper to manage the reference data bus. This is the P&S bus

    15 // that the network gateway publishes to.

    16 // 

    17 //

    18 

    19 /**

    20  @file

    21  @InternalComponent

    22 */

    23 

    24 #ifndef __LBSREFDATABUS_H__

    25 #define __LBSREFDATABUS_H__

    26 

    27 #include <e32base.h>

    28 #include <lbspositioninfo.h>

    29 #include "lbsnetinternalapi.h"

    30 #include "lbsreffnpint.h"

    31 

    32 class MDataBusObserver;

    33 

    34 

    35 

    36 /**

    37 Assumes something else has already called RLbsPositionUpdates::InitializeL()

    38 */

    39 class CRefDataBus : public CActive

    40 	{

    41 public:

    42 	static CRefDataBus* NewL(MDataBusObserver& aObserver);

    43 	~CRefDataBus();

    44 	void Subscribe();

    45 	void UnSubscribe();

    46 	TInt GetLastPositionInfo(TPositionInfo& aRefInfo, TTime& aActualTime);

    47 	

    48 	/**

    49 	The panic codes for the reference data bus object.

    50 	*/

    51 	enum TRefDataBusPanic

    52 		{

    53 		/** 

    54 		An instance of the MRefDataBusObserver has not been passed to the object.

    55 		The panic category will be "RefDataBus".

    56 		*/

    57 		ERefDataBusObserverNotSet = 0

    58 		};

    59 

    60 private:

    61 	CRefDataBus(MDataBusObserver& aObserver);

    62 	void ConstructL();

    63 	

    64 	// from CActive

    65 	void RunL();

    66 	void DoCancel();

    67 	TInt RunError(TInt aError);

    68 

    69 private:

    70 	MDataBusObserver& 		iObs;

    71 	RLbsNetworkPositionUpdates	iRefDataBus;

    72 	TPositionInfo iPositionInfo;

    73 	};

    74 

    75 #endif // __LBSREFDATABUS_H__