1 /*

     2 * Copyright (c) 2008 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:  Listener class for mediator commands

    15 *

    16 */

    17 

    18 

    19 #ifndef C_VTENGMDTRMESSAGELISTENER_H

    20 #define C_VTENGMDTRMESSAGELISTENER_H

    21 

    22 //  INCLUDES

    23 

    24 //#include <e32cmn.h>

    25 #include <mediatorcommandresponder.h>

    26 #include <mediatoreventconsumer.h>

    27 #include "MVtEngEventObserver.h"

    28 #include  "CVtEngStateManager.h"

    29 #include  "MVtEngSessionInfo.h"

    30 

    31 // FORWARD DECLARATIONS

    32 class CMediatorCommandResponder;

    33 class CVtEngUtility;

    34 

    35 // CLASS DECLARATION

    36 

    37 /**

    38 *  Mediator command and event listener 

    39 *

    40 *  @lib videoteleng

    41 *  @since 5.0

    42 */

    43 NONSHARABLE_CLASS( CVtEngMdtrMessageListener ) : 

    44     public CBase, 

    45     private MMediatorCommandObserver,

    46     private MMediatorEventObserver,

    47     private MVtEngEventObserver

    48     

    49     {

    50 public: // constructor and destructors

    51 

    52     /**

    53     * two-phase constructor

    54     */

    55     static CVtEngMdtrMessageListener* NewL( CVtEngUtility& aUtils );

    56     

    57     // Destructor

    58     ~CVtEngMdtrMessageListener();

    59 

    60 public: // from MMediatorCommandObserver

    61 

    62     virtual void MediatorCommandL( TUid aDomain,

    63          TUid aCategory, 

    64          TInt aCommandId,

    65          TVersion aVersion, 

    66          const TDesC8& aData );

    67 

    68     virtual void CancelMediatorCommand( TUid aDomain,

    69          TUid aCategory, 

    70          TInt aCommandId );

    71 

    72 public: // from MMediatorEventObserver

    73 

    74     virtual void MediatorEventL( TUid aDomain,

    75         TUid aCategory, 

    76         TInt aEventId, 

    77         const TDesC8& aData );       

    78             

    79 public: // from MVtEngEventObserver

    80 

    81     // handles deferred CLI event dispatching

    82     virtual void HandleVtEventL( TInt aEvent );

    83                                   

    84 private: // constructors

    85 

    86     CVtEngMdtrMessageListener( CVtEngUtility& aUtils );

    87     

    88     void ConstructL();

    89 

    90 private: // new functions

    91 

    92     void HandleCLIEventL( const TDesC8& aData );

    93     

    94     TBool IsReadyForCLIEvent() const;

    95     

    96 private:    

    97     CVtEngUtility& iUtils;

    98     

    99     // for mediator command reception

   100     CMediatorCommandResponder* iMediatorResponder;  

   101     

   102     CMediatorEventConsumer* iMediatorEvents;

   103     

   104     // supported mediator commands

   105     MediatorService::RCommandList iCommandList;

   106     };

   107 

   108 #endif // C_VTENGMDTRMESSAGELISTENER_H

   109 

   110 // End of File