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:  CVtUiFeatureBase implementation.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_VTUIFEATUREBASE_H

    20 #define C_VTUIFEATUREBASE_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>

    24 #include "mvtuifeature.h"

    25 

    26 // CLASS DECLARATION

    27 class CVtUiAppUi;

    28 class CVtUiFeatureManager;

    29 

    30 /**

    31 *   Base class for Video Telephone application features.

    32 *

    33 *  @since S60 3.2

    34 */

    35 class CVtUiFeatureBase : public CBase, public MVtUiFeature

    36     {

    37     public: // public methods

    38         /**

    39         * C++ destructor.

    40         */

    41         ~CVtUiFeatureBase();

    42  

    43     public: // from MVtUiFeature

    44 

    45         /** @see MVtUiFeature */

    46         virtual void StartL();

    47 

    48         /** @see MVtUiFeature */

    49         virtual void Stop() = 0;

    50         

    51         /** @see MVtUiFeature */

    52         virtual void InitFeatureL() = 0;

    53         

    54         /** @see MVtUiFeature */

    55         TVtUiFeatureState State() const;

    56         

    57         /** @see MVtUiFeature */

    58         TVtUiFeatureId Id() const;

    59 

    60     protected:

    61         /**

    62         * C++ constructor

    63         *

    64         */

    65         CVtUiFeatureBase( TVtUiFeatureId aId,

    66             CVtUiFeatureManager& aFeatureManager );

    67 

    68         /**

    69         * BaseConstructL

    70         * For child class to use.

    71         * Calls constructL. 

    72         */

    73         void BaseConstructL();

    74 

    75         /**

    76         * Callback function that inits the features.

    77         * @param aAny pointer to an instance of the class.

    78         * @return always KErrNone.

    79         */

    80         static TInt DoInitFeaturesL( TAny* aAny );

    81     

    82 

    83     protected: // data

    84         

    85         // Feature's unique Id

    86         const TVtUiFeatureId iId;

    87         

    88         // Reference to featuremanager

    89         CVtUiFeatureManager& iFeatureManager;

    90                 

    91         // Features current state

    92         MVtUiFeature::TVtUiFeatureState iFeatureState;

    93     

    94         // Owned asynch callback.

    95         CAsyncCallBack* iAsyncCallback;

    96         

    97     };

    98 

    99 #endif // C_VTUIFEATUREBASE_H