supl/locationomasuplprotocolhandler/protocolhandlerver2/inc/epos_comasuplposrequestor.h
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     1 /*
       
     2 * Copyright (c) 2002-2005 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:   Class for doing asynchronous service.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef C_COMASUPLPOSREQUESTOR_H
       
    21 #define C_COMASUPLPOSREQUESTOR_H
       
    22 
       
    23 #include <e32base.h>
       
    24 #include "lbs/epos_tomasuplallowedcapabilities.h"
       
    25 
       
    26 class COMASuplPosSessionBase;
       
    27 class COMASuplInfoRequest;
       
    28 class COMASuplInfoRequestList;
       
    29 class COMASuplTrace;
       
    30 class COMASuplSETCapabilities;
       
    31 class MOMASuplMsgStateObserver;
       
    32 class COMASuplPosition;
       
    33 
       
    34 class TOMASuplAllowedCapabilities;
       
    35 class TOMASuplPositioningMethod;
       
    36 
       
    37 /**
       
    38 	Class for doing asynchronous service  i.e. used for POS Handler.	
       
    39 */
       
    40 
       
    41 class COMASuplPOSRequestor : public CActive
       
    42 {
       
    43 		  
       
    44 	public:
       
    45 		enum TPOSRequestType
       
    46 			{
       
    47 				EPOS_SESSION_INITIALIZE = 0,
       
    48 				EPOS_GET_SUPL_INFO,
       
    49 				EPOS_GET_POSITION,
       
    50 				EPOS_IDEAL
       
    51 			};	  	
       
    52 	public :  // Constructor 
       
    53 	
       
    54 		/**
       
    55 		* NewL Method.
       
    56 		* @since S60 3.1u
       
    57 		* @param 
       
    58 		* @return Instance of COMASuplPOSRequestor
       
    59 		*/ 
       
    60 		static COMASuplPOSRequestor* NewL(MOMASuplMsgStateObserver* aObserver,COMASuplPosSessionBase* aPOSSession);
       
    61 		
       
    62 		/**
       
    63 		* Destructor.
       
    64 		*/
       
    65 		~COMASuplPOSRequestor();
       
    66 		
       
    67 	public :
       
    68 	
       
    69 		/**
       
    70 		* GetSuplInfoL Method.
       
    71 		* @since S60 3.1u
       
    72 		* @param None
       
    73 		* @return Error code if function leaves otherwise KErrNone
       
    74 		*/ 
       
    75 		TInt GetSuplInfoL();
       
    76 		
       
    77 		/**
       
    78 		* GetPositionL Method.
       
    79 		* @since S60 3.1u
       
    80 		* @param position information
       
    81 		* @return Error code if function leaves otherwise KErrNone
       
    82 		*/ 
       
    83 		TInt GetPositionL(COMASuplPosition* aPosition);
       
    84 		
       
    85 		/**
       
    86 		* CancelRequest Method,Cancels any outstanding request if any
       
    87 		* @since Series 60 3.1u
       
    88 		* @param None
       
    89 		* @return None
       
    90 		*/ 
       
    91 		void CancelRequest();
       
    92 		
       
    93 		COMASuplInfoRequestList* GetOMASuplInfoRequestList();
       
    94 		
       
    95 		void AppendInfoRequest(COMASuplInfoRequest* aSuplInfoRequest);
       
    96 		
       
    97 		TInt InitilizePOSSessionL(TInt aRequestId);
       
    98 		
       
    99 		/**
       
   100 		* SetObserver Sets the observer that gets back data
       
   101 		* from POS Message plugin
       
   102 		* @since Series 60 3.1M
       
   103 		* @param None
       
   104 		* @return None
       
   105 		*/ 
       
   106 		
       
   107 		void SetObserver(MOMASuplMsgStateObserver* aObserver);
       
   108 		
       
   109 		/**
       
   110 		* CreateListL Creates the Info Request List 
       
   111 		* from POS Message plugin
       
   112 		* @since Series 60 3.1M
       
   113 		* @param None
       
   114 		* @return None
       
   115 		*/ 
       
   116 		void CreateListL();
       
   117 	
       
   118 		/**
       
   119 		* DestroyList Destroys the Info Request List 
       
   120 		* @since Series 60 3.1M
       
   121 		* @param None
       
   122 		* @return None
       
   123 		*/ 	
       
   124 		void DestroyList();
       
   125 		
       
   126 		/**
       
   127 		* SetPosMethodAndAllowedCapabilities send allowed capability and POS Method to POS Plug-in 
       
   128 		* @since 
       
   129 		* @param aPOSAllowedCapabilities The allowed capabilities
       
   130 		* @param aPOSPositioningMethod   The prefered positioning method
       
   131 		* @return None
       
   132 		*/
       
   133         void SetPosMethodAndAllowedCapabilities(TOMASuplAllowedCapabilities& aPOSAllowedCapabilities,COMASuplPosSessionBase::TOMASuplPositioningMethod aPOSPositioningMethod);
       
   134         /**
       
   135          * SetSLPAddressUsed send server address currently used for this session into the POS Plug-in 
       
   136          * @since 
       
   137          * @param aServerAddress The server address that is being used for this session         
       
   138          * @return None
       
   139          */
       
   140         void SetSLPAddressUsed(const TDesC& aServerAddress);
       
   141 	private : 
       
   142 		//Constuctor
       
   143 		COMASuplPOSRequestor(MOMASuplMsgStateObserver* aObserver,COMASuplPosSessionBase* aPOSSession);
       
   144 		
       
   145 		/**
       
   146 		* By default Symbian 2nd phase constructor is private.
       
   147 		*/
       
   148 		void ConstructL();
       
   149 		
       
   150 
       
   151 		
       
   152   protected :  // Functions from CActive
       
   153       /**
       
   154       * From CActive 
       
   155       * To handle request completion
       
   156       */
       
   157       void RunL();
       
   158       
       
   159       /**
       
   160       * From CActive 
       
   161       * To cancel the asynchronous requests
       
   162       */
       
   163    		void DoCancel();  
       
   164       /**
       
   165       * From CActive 
       
   166       * To handle errors in asynchronous requests
       
   167       */
       
   168    		TInt RunError(TInt aError);
       
   169      
       
   170 	private : //Data
       
   171 	
       
   172 		MOMASuplMsgStateObserver* iObserver;
       
   173 		
       
   174 		//POS Session ... 
       
   175 		//will not have ownership with this class
       
   176 		COMASuplPosSessionBase* iPOSSession;
       
   177 		
       
   178 		// Info Requestor List
       
   179 		COMASuplInfoRequestList* iOMASuplInfoRequestList; 
       
   180 		
       
   181 		TPOSRequestType iPOSSessionRequestType;
       
   182 		
       
   183 		COMASuplPosSessionBase::TOMASuplPositioningMethod iPositioningMethod;
       
   184 		
       
   185 		TOMASuplAllowedCapabilities iAllowedCapabilities;
       
   186 		
       
   187     //Trace Utility
       
   188     COMASuplTrace* iTrace;
       
   189 };
       
   190 
       
   191 #endif
       
   192