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 assistance data handler sub-component of agps manager

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalTechnology

    21 */

    22 

    23 #ifndef LBSNETWORKREQUESTHANDLER_H

    24 #define LBSNETWORKREQUESTHANDLER_H

    25 

    26 #include <e32base.h>

    27 #include "lbscommoninternaldatatypes.h"

    28 #include <lbs/lbsnetcommon.h>

    29 #include "lbsnetinternalapi.h"

    30 

    31 #include "LbsInternalInterface.h"

    32 #include "lbsassistancedatacacheapi.h"

    33 #include "lbsnetinternalmsgfifo.h"

    34 

    35 class MNetworkGatewayHandlerObserver

    36     {

    37 public:

    38     virtual void OnAssistanceDataResponse(TInt aError, TLbsAsistanceDataGroup aMask) = 0;

    39     virtual void OnSessionComplete(TInt aReason, const TLbsNetSessionIdInt& aSessionId) = 0;

    40     };

    41 

    42 class CNetworkGatewayHandler : public CActive, private MLbsNetChannelObserver

    43 	{

    44 public:

    45 	static CNetworkGatewayHandler* NewL(MNetworkGatewayHandlerObserver* aObserver);

    46 	~CNetworkGatewayHandler();

    47 	

    48 	TInt GetAssistanceDataItem(TLbsAssistanceDataItem aItem,RDataReaderRootBase& aDataRoot,	TTime& aTimeStamp);

    49 	TInt GetAssistanceDataItemTimeStamp(TLbsAssistanceDataItem aItem, TTime& aTimeStamp);

    50 	void SendAssistanceDataRequest(TLbsAsistanceDataGroup aDataItemMask);

    51 	void SendSelfLocationRequest(const TLbsNetSessionIdInt& aSessionId, const TLbsNetPosRequestOptionsAssistanceInt& aOptions);

    52 	void SendSelfLocationCancel(const TLbsNetSessionIdInt& aSessionId, TInt aReason);

    53 	void SendSystemStatusAdvice(TBool aTracking);

    54 		

    55 private:

    56 	CNetworkGatewayHandler(MNetworkGatewayHandlerObserver* aObserver); 

    57 	void ConstructL();

    58 	

    59 	//from MLbsNetChannelObserver

    60 	void ProcessNetChannelMessage(RLbsNetChannel::TLbsNetChannelId aChannelId, const TLbsNetInternalMsgBase& aMessage);

    61 	

    62 	//from CActive

    63 	void RunL();

    64 	void DoCancel();

    65 	TInt RunError(TInt aError);

    66 	

    67 	// Helpers

    68 	void SendOrQueueMessage(TLbsNetInternalMsgBase& aMsg);

    69 	void QueueMessage(TLbsNetInternalMsgBase& aMsg);

    70 	

    71 private:

    72 	MNetworkGatewayHandlerObserver* iObserver;

    73 	RAssistanceDataCache	 		 iAssistanceDataCache;

    74 	RLbsNetChannel					 iNGChannel;

    75 	RLbsNetMsgFifo					 iQ;

    76 	};

    77 

    78 #endif // LBSNETWORKREQUESTHANDLER_H

    79