locationtriggering/ltclientlib/inc/lbtclientrequester.h
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     1 /*
       
     2 * Copyright (c) 2006 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:  location triggering server client interface
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef LBTCLIENTREQUESTER_H
       
    21 #define LBTCLIENTREQUESTER_H
       
    22 
       
    23 #include <lbt.h>
       
    24 #include "lbtclientrequester.h"
       
    25 
       
    26 
       
    27 // Forward declaration
       
    28 class RLbt;
       
    29 /**
       
    30  * Client requestor class.
       
    31  *
       
    32  * This is a helper class used by RLbt class to serve the asyncronous operations
       
    33  * requested by the client.
       
    34  */
       
    35 class CLbtClientRequester : public CActive
       
    36     {
       
    37 public: 
       
    38     /** 
       
    39      * This is used to keep track of operation served by this object.
       
    40      */
       
    41     enum TAsyncReqType
       
    42         {
       
    43         EListTriggerIdsCount = 1,
       
    44         EListTriggersCount = 2,
       
    45         EOpOther = 3
       
    46         };
       
    47     /**
       
    48      * Construct a CLbtClientRequester object. 
       
    49      */
       
    50    	static CLbtClientRequester* NewL( RLbt& aLbt );
       
    51    
       
    52     /**
       
    53      * Destructor. 
       
    54      */
       
    55     ~CLbtClientRequester();
       
    56 
       
    57     /**
       
    58      * Starts the asyncronous operation by setting the iStatus to active
       
    59      */
       
    60     void Start();
       
    61     
       
    62     /**
       
    63      * Adds the buffer into the object.
       
    64      */
       
    65     void SetBuffer(CBufFlat* aBuf );
       
    66     
       
    67     /**
       
    68      * Starts the asyncronous operation by setting the iStatus to active.
       
    69      */
       
    70     void Start(TAsyncReqType aType);
       
    71     
       
    72     /**
       
    73      * Stores the client's status.
       
    74      */
       
    75     void SetStatus(TRequestStatus& aStatus);
       
    76     
       
    77     /**
       
    78      * Retrieves client's status
       
    79      */
       
    80     TRequestStatus& Status();
       
    81     
       
    82     /**
       
    83      * Stores the list trigger id data.
       
    84      */
       
    85     void SetListTriggerIdData(RArray < TLbtTriggerId >* aTriggerIdArray);
       
    86     
       
    87     /**
       
    88      * Stores the list trigger data.
       
    89      */
       
    90     void SetListTriggerData(RPointerArray < CLbtTriggerInfo >* aTriggerInfoList);
       
    91     
       
    92     
       
    93     /**
       
    94      * 
       
    95      */
       
    96     RPointerArray < CLbtTriggerInfo >* ListTriggerData();
       
    97     
       
    98     /**
       
    99      * 
       
   100      */
       
   101     RArray < TLbtTriggerId >* ListTriggerIdData();
       
   102     
       
   103     /**
       
   104      * Returns reference of list trigger size.
       
   105      */
       
   106     TInt& ListTriggersSize();
       
   107     
       
   108 
       
   109 private://Derived from CActive
       
   110     void RunL();
       
   111     TInt RunError( TInt aError );
       
   112     void DoCancel();
       
   113 
       
   114 private:
       
   115     /**
       
   116      * C++ default constructor
       
   117      */
       
   118     CLbtClientRequester( RLbt& aLbt);
       
   119     
       
   120     /**
       
   121      *Second phase constructor
       
   122      */   
       
   123     void ConstructL();
       
   124 
       
   125 private:// data
       
   126     // Subsession handle
       
   127     RLbt& iLbt;
       
   128     
       
   129     // Pointer to client's status
       
   130     TRequestStatus* iClientStatus;
       
   131     
       
   132     // CBufFlat pointer array 
       
   133     RPointerArray < CBufFlat > iClientBuf;
       
   134     
       
   135     // Type of asyncronous request served.
       
   136     TAsyncReqType iType;
       
   137     
       
   138     // TLbtTriggerId array.   
       
   139     RArray < TLbtTriggerId >* iTriggerIdArray;
       
   140     
       
   141     // CLbtTriggerInfo pointer array.
       
   142     RPointerArray < CLbtTriggerInfo >* iTriggerInfoList;
       
   143     
       
   144     TInt iListTriggersSize;
       
   145     };
       
   146 
       
   147 #endif // LBTTRIGGERCHANGEEVENTNOTIFIER_H
       
   148