1 /*

     2 * Copyright (c) 2009 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: Finite State Machine's body interface for Plugged Display Engine.

    15 *

    16 */

    17 

    18 #ifndef M_PDEFSM_H

    19 #define M_PDEFSM_H

    20 

    21 

    22 //#include <e32def.h>

    23 //#include <e32cmn.h> 

    24 #include <e32def.h>

    25 #include "multifinitestatemachine.h"

    26 #include <AsyCmdTypes.h>

    27 #include <AsyCommandHandlerBase.h>

    28 

    29 

    30 

    31 // FORWARD DECLARATIONS

    32 class MPDAsyCmdHandler;

    33 

    34 

    35 // CLASS DECLARATION

    36 

    37 /**

    38  *  Finite State Machine's body interface for Plugged Display Engine.

    39  *

    40  *  This callback interface has to be implemented by FSM body

    41  *  implementation class.

    42  *  @code

    43  *   ?good_class_usage_example(s)

    44  *  @endcode

    45  *

    46  *  @lib none.

    47  *  @since TB 9.2

    48  */

    49 NONSHARABLE_CLASS( MPdeFSM ) : public MFSMForBody

    50     {

    51 public:

    52     virtual ~MPdeFSM() {} // Destructor needed for ownership transfer

    53 

    54 

    55     /**

    56      * Process a command received from the Accessory FW.

    57      * Process command handled will be replied through the MPDAsyCmdHandler

    58      * interface when the command is fully handled.

    59      * 

    60      * @since TB9.2

    61      * @param aCommand Command to be processed.

    62      * @param aCmdParams Command parameters.

    63      * @param aAsyCmdHandler Call back interface to process command response.

    64      * @return TBool ETrue if command belonged to called FSM.

    65      */

    66     virtual TBool ProcessCommandL( 

    67             const TProcessCmdId aCommand,

    68             const TASYCmdParams& aCmdParams,

    69             MPDAsyCmdHandler& aAsyCmdHandler 

    70             ) = 0;

    71 

    72     /**

    73      * Get the Generic ID of connected accessory.

    74      * 

    75      * @since TB9.2

    76      * @param aAccPolGenericID Object where to copy actual values.

    77      * @return Error code. KErrNotFound if don't exist.

    78      */

    79     virtual TInt GetAccPolGenericID( TAccPolGenericID& aAccPolGenericID ) = 0;

    80 

    81     };

    82 

    83 

    84 #endif // M_PDEFSM_H