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:  Open state

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CVTENGSTATEOPEN_H

    21 #define CVTENGSTATEOPEN_H

    22 

    23 //  INCLUDES

    24 #include "CVtEngStateBase.h"

    25 

    26 // FORWARD DECLARATIONS

    27 class CVtEngStateManager;

    28 

    29 // CLASS DECLARATION

    30 

    31 /**

    32 *  Open state class

    33 *

    34 *  @lib videoteleng

    35 *  @since 2.6

    36 */

    37 NONSHARABLE_CLASS( CVtEngStateOpen ) : public CVtEngStateBase

    38     {

    39     public:  // Constructors and destructor

    40         

    41         /**

    42         * C++ constructor.

    43         */

    44         CVtEngStateOpen( 

    45             CVtEngStateManager& aStateManager,

    46             CVtEngEventManager& aEventManager );

    47 

    48 

    49         /**

    50         * Destructor.

    51         */

    52         virtual ~CVtEngStateOpen();

    53 

    54     public: // From CVtEngStateBase

    55         

    56         /**

    57         * Updates state. May result to state transition

    58         */

    59         virtual void UpdateL();

    60 

    61         /**

    62         * Validates a command.

    63         */

    64         TBool ValidateCommand(

    65             const TVtEngCommandId aCommandId );

    66 

    67         /**

    68         * @see CVtEngStateBase

    69         */

    70         virtual MVtEngSessionInfo::TSessionState State() const;

    71 

    72         /**

    73         * @see CVtEngStateBase::HandleL

    74         */

    75         TBool HandleL( CVtEngOperation& aOp );

    76         

    77     private:

    78 

    79         /**

    80         * Changes audio routing

    81         * @param aOp audio routing or null if value should

    82         *        be read from settings

    83         */

    84         void RouteAudioL( 

    85             CVtEngOperation* aOp );

    86         

    87         /**

    88         * Uses extension framework to complete

    89         * from operation.

    90         * @since S60 v3.2

    91         * @param aOp audio routing or null 

    92         */    

    93         void CallExtensionL( CVtEngOperation* aOp );    

    94 

    95     private:

    96 

    97         /**

    98         * Handles state transition to open.

    99         */

   100         void DoOpenL();

   101 

   102     };

   103 

   104 #endif      // CVTENGSTATEOPEN_H

   105             

   106 // End of File