1 // Copyright (c) 2007-2009 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 //

    15 

    16 /**

    17  @file

    18  @internalTechnology

    19  

    20 */

    21 #ifndef LBS_SUPL_POS_H

    22 #define LBS_SUPL_POS_H

    23 

    24 #include "suplmessagebase.h"

    25 #include "suplpospayload.h"

    26 #include <lbspositioninfo.h>

    27 

    28 // forward declarations

    29 class ASN1PERDecodeBuffer;

    30 class ASN1T_PDU;

    31 class ASN1C_PDU;

    32 

    33 

    34 /**

    35 Encapsulation for outgoing/received SUPL POS messages.

    36 

    37 @internalTechnology

    38 */

    39 NONSHARABLE_CLASS(CSuplPos) : public CSuplMessageBase

    40 	{

    41 public:

    42 	IMPORT_C static CSuplPos* NewL(TBool aIsOutgoingMessage);

    43 	IMPORT_C static CSuplPos* NewLC(TBool aIsOutgoingMessage);

    44 		

    45 public:

    46 	virtual ~CSuplPos();

    47 	

    48 public:

    49 	

    50 	/** Set the velocity parameter (for outgoing messages) */

    51 	IMPORT_C TInt SetVelocity(const TPositionInfoBase& aPosInfo);

    52 

    53 	/** Assigns the payload RRLP message (for outgoing messages) */

    54 	IMPORT_C void SetPosPayload(CSuplPosPayload* aPayload);

    55 

    56 	/** Returns ETrue if the position parameter is present (for received messages) */

    57 	IMPORT_C TBool VelocityPresent();

    58 

    59 	/** Populates aPosInfo according to the velocity parameter (for received messages) */

    60 	IMPORT_C TInt GetVelocity(TPositionInfoBase& aPosInfo);

    61 	

    62 	/** Returns the positioning payload (for received messages).

    63 	    The calling method becomes responsible for destruction of the pos payload. */

    64 	IMPORT_C CSuplPosPayload* PosPayload();

    65 

    66 public:

    67 

    68 	/** Encodes the SUPL POS message to the passed buffer 

    69 		Called by CSuplMessageBase::EncodeToL() and not intended for DLL export */

    70 	TInt EncodePosPayloadL();

    71 	

    72 	/** Decodes the content of the positioning payload (for received messages)

    73 		Called by CSuplAsn1DecoderImpl::DecodeL() and not intended for DLL export */

    74 	void DecodePosPayloadL(TInt& aError);

    75 	

    76 	void LogPayload();

    77 

    78 private:

    79 	/** Constructor */

    80 	CSuplPos(TBool aIsOutgoingMessage);

    81 

    82 	/** second stage constructor */

    83 	void ConstructL();

    84 	

    85 	/** Prohibit copy constructor */

    86 	CSuplPos(const CSuplPos&);

    87 

    88 	/** Prohibit assigment operator */

    89 	CSuplPos& operator= (const CSuplPos&);

    90 	

    91 private:

    92 

    93 	// converts speed from encoded value N to meters per second.

    94 	TReal32 ConvertHorSpeedToMetersPerSecond(TUint aSpeed);

    95 	

    96 	// converts speed accuracy from encoded value N to meters per second.

    97 	TReal32 ConvertHorSpeedAccuracyToMetersPerSecond(TUint aSpeedAccuracy);

    98 

    99 private:

   100 

   101 	/** The positioning payload */	

   102 	CSuplPosPayload* iPosPayload;

   103 	

   104 	/** Objects used in decoding of the positioning payload */

   105 	ASN1PERDecodeBuffer* iDecodeBuffer;

   106 	ASN1T_PDU* iPayloadData;

   107 	ASN1C_PDU* iPayloadPdu;

   108 	};

   109 

   110 #endif // LBS_SUPL_POS_H