1 // Copyright (c) 2006-2009 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 // Definition of network location channel component.

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalTechnology

    21  @released

    22 */

    23 

    24 #ifndef NETLOCATIONCHANNEL_H_

    25 #define NETLOCATIONCHANNEL_H_

    26 

    27 #include "lbscommoninternaldatatypes.h"

    28 #include "lbsngnlmint.h"

    29 #include "lbsreffnpint.h"

    30 #include <lbs/lbsextendedsatellite.h>

    31 

    32 

    33 class TPositionInfoBase;

    34 class TLbsNetLocMsgBase;

    35 

    36 //

    37 // Network Location Channel

    38 //

    39 

    40 typedef TInt TLbsNetworkLocationRequestBase;

    41 

    42 /** Observer for the Network Location interface.

    43 */

    44 class MNetworkLocationObserver

    45 	{

    46 public:

    47 	virtual void ProcessNetworkLocationMessage(const TLbsNetLocMsgBase& aMessage) = 0;

    48 	};

    49 

    50 /** Manager for the Network Location interface.

    51 

    52 This class handles sending and receiving messages on the

    53 Network Location interface. It is implemented as an active object

    54 to allow it to asnychronously wait for messages to arrive. Sending

    55 is synchronous.

    56 */

    57 class CNetworkLocationChannel : public CActive

    58 	{

    59 public:

    60 	static CNetworkLocationChannel* NewL(MNetworkLocationObserver& aObserver);

    61 	~CNetworkLocationChannel();

    62 	

    63 	// from CActive

    64 	void RunL();

    65 	void DoCancel();

    66 	TInt RunError(TInt aError);

    67 	

    68 	const TPositionInfoBase	& GetLastReferencePosition();

    69 	void SetReferencePosition(TLbsNetSessionIdInt& aSessionId, 

    70 								const TPositionInfoBase& aLocation);

    71 

    72    	void SendNetworkLocationMessage(const TLbsNetLocMsgBase& aMessage);

    73 	

    74 private:

    75 	CNetworkLocationChannel(MNetworkLocationObserver& aObserver);

    76 	void ConstructL();

    77 	

    78 	void NotifyNetworkLocationRequestUpdate();

    79 

    80 private:

    81 	MNetworkLocationObserver& iObserver;

    82 	RLbsNetworkLocationRequests iLocationRequests;

    83 	RLbsNetworkLocationResponses iLocationResponses;

    84 	RLbsNetworkPositionUpdates iPositionUpdates;

    85 	TPositionExtendedSatelliteInfo iRefPosInfo;

    86 	};

    87 

    88 #endif // NETLOCATIONCHANNEL_H_