1 /*

     2 * Copyright (c) 2007 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:  AT extension API

    15 *

    16 */

    17 

    18 

    19 #ifndef BTATEXTAGENT_H

    20 #define BTATEXTAGENT_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>

    24 #include <atext.h>

    25 #include "btmcactive.h"

    26 #include "HFPAtEcomListen.h"

    27 #include "HFPAtUrcHandler.h"

    28 

    29 class CBtmcActive;

    30 

    31 class MATExtObserver

    32     {

    33 public:

    34     virtual void ATExtHandleCommandCompletedL(TInt aErr, const TDesC8& aReply) = 0;

    35 

    36     virtual void UnsolicitedResultFromATExtL(TInt aErr, const TDesC8& aAT) = 0;

    37     };

    38 

    39 NONSHARABLE_CLASS( CHFPAtCmdHandler ) : public CBase, 

    40                                         public MBtmcActiveObserver,

    41                                         public MHFPAtEcomListen

    42 	{

    43 public:

    44 

    45     static CHFPAtCmdHandler* NewL(MATExtObserver& aObserver);

    46 

    47 public:

    48 

    49 	~CHFPAtCmdHandler();

    50 	

    51 	void HandleCommand(const TDesC8& aAT, const TDesC8& aReply = KNullDesC8);

    52 	

    53 

    54 	

    55 private:

    56 

    57     void RequestCompletedL(CBtmcActive& aActive, TInt aErr);

    58 

    59     void CancelRequest(TInt aServiceId);

    60 

    61     TInt HandleRunError(TInt aErr);

    62     

    63 

    64 

    65 private:

    66 

    67 	CHFPAtCmdHandler(MATExtObserver& aObserver);

    68 	

    69     /**

    70      * Creates plugin handlers for this class

    71      *

    72      * @since S60 5.0

    73      * @return None

    74      */

    75     void CreatePluginHandlersL();

    76 	

    77     /**

    78      * Instantiates one URC message handling class instance and adds it to

    79      * the URC message handler array

    80      *

    81      * @since S60 3.2

    82      * @return None

    83      */

    84     CHFPAtUrcHandler* AddOneUrcHandlerL();

    85 

    86     /**

    87      * Deletes all instantiated URC message handlers

    88      *

    89      * @since S60 5.0

    90      * @return None

    91      */

    92     void DeletePluginHandlers();

    93     

    94     // from base class MHFPAtEcomListen

    95 

    96     /**

    97       * From MHFPAtEcomListen.

    98       * Notifies about new plugin installation

    99       *

   100       * @since S60 5.0

   101       * @return None

   102       */

   103     TInt NotifyPluginInstallation( TUid& aPluginUid );

   104 

   105     /**

   106       * From MHFPAtEcomListen.

   107       * Notifies about existing plugin uninstallation

   108       *

   109       * @since S60 5.0

   110       * @return None

   111       */

   112     TInt NotifyPluginUninstallation( TUid& aPluginUid );

   113     

   114     /**

   115      * Starts URC message handling

   116      *

   117      * @since S60 5.0

   118      * @return Symbian error code on error, KErrNone otherwise

   119      */

   120     TInt StartUrc();

   121 

   122     /**

   123      * Stops URC message handling

   124      *

   125      * @since S60 3.2

   126      * @return Symbian error code on error, KErrNone otherwise

   127      */

   128     TInt StopUrc();

   129 	

   130 	void ConstructL();

   131 	

   132 private:

   133     MATExtObserver& iObserver;

   134     

   135     RATExt iATExtClient;

   136     TBuf8<KDefaultCmdBufLength> iCmdBuffer;

   137     TBuf8<KDefaultCmdBufLength> iRecvBuffer;

   138     TBuf8<KDefaultCmdBufLength> iReplyBuffer;

   139     TBuf8<512> iSystemReply;

   140     

   141     TInt iRemainingReplyLength;

   142     TPckg<TInt> iRemainingReplyLengthPckg;

   143     TATExtensionReplyType iReplyType;

   144     TPckg<TATExtensionReplyType> iReplyTypePckg;

   145     CBtmcActive* iCommander; // for command handling

   146    

   147         /**

   148      * URC message handlers

   149      * Own.

   150      */

   151     RPointerArray<CHFPAtUrcHandler> iUrcHandlers;

   152 

   153     /**

   154      * ECOM plugin interface status change listener

   155      * Own.

   156      */

   157     CHFPAtEcomListen* iEcomListen;

   158 	};

   159 

   160 #endif      // BTATEXTAGENT_H

   161             

   162 // End of File