1 /*

     2 * Copyright (c) 2005 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:    

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef __CMCETESTUIENGINECODEC_H__

    22 #define __CMCETESTUIENGINECODEC_H__

    23 

    24 // INCLUDES

    25 

    26 #include "MMCETestUIEngineCmdProvider.h"

    27 #include <e32base.h>

    28 #include <MceAudioCodec.h>

    29 

    30 // FORWARD DECLARATIONS

    31 

    32 

    33 class CMCETestUIEngine;

    34 class CMceAudioStream;

    35 class CMCETestUIEngineSession;

    36 class CMceAudioCodec;

    37 

    38 // CLASS DECLARATION

    39 /**

    40 * 

    41 * CMCETestUIEngineAudioStream provides a wrapper for CMCEAudioStream.

    42 * Class is not the traditional wrapper in a sense that it would 

    43 * conform to interface provided by CMCESession. Instead class

    44 * implements interface MMCETestUIEngineCmdProvider to provide

    45 * same kind of functionality in controlled way on different levels 

    46 * of abstraction.

    47 *

    48 */

    49 class CMCETestUIEngineCodec : public CBase,

    50                                     public MMCETestUIEngineCmdProvider

    51     {

    52 

    53     public: // public enumerations

    54     

    55           

    56     public: // Constructors and destructors

    57             

    58     	/**

    59     	* Destructor.

    60     	*/

    61     	IMPORT_C virtual ~CMCETestUIEngineCodec();

    62 

    63        /**

    64         * Two-phased constructor. Not imported.

    65         */

    66         static CMCETestUIEngineCodec* NewL(

    67             CMCETestUIEngine& aEngine, 

    68             CMceAudioCodec& aCodec );

    69             

    70     public: // From MMCETestUICommandProvider

    71 

    72         /**

    73         * Gets the commands applicaple to this session object.

    74         *

    75         * @return reference to array of commands

    76         */

    77         IMPORT_C const RPointerArray<TMCETestUIEngineCmdBase>& 

    78                     GetCommandsL();

    79 

    80     public: // New functions

    81 	    

    82 	    	    

    83     public: // New functions, internal

    84 

    85         /**

    86         * Gets wrapped MCEAudioStream object

    87         * 

    88         * @return wrapped MCEMCEAudioStream

    89         */

    90         IMPORT_C CMceAudioCodec& Codec();

    91         

    92         IMPORT_C const TDesC16& State() const;

    93         

    94         IMPORT_C TMceCodecType Type();		

    95         

    96               

    97     private:  // private constructors

    98 	    

    99         /**

   100         * C++ default constructor. Not implemented.

   101         */

   102         CMCETestUIEngineCodec();	

   103     

   104     protected:

   105     

   106         /**

   107         * C++ first phase constructor.

   108         */

   109         CMCETestUIEngineCodec( 

   110                     CMCETestUIEngine& aEngine, 

   111             		CMceAudioCodec& aCodec  );

   112 

   113        	/**

   114         * Symbian second-phase constructor

   115         */

   116         void ConstructL();	   

   117         

   118     protected:  // owned data  

   119     

   120         // Commands applicable to an audiostream. Owned.

   121        RPointerArray<TMCETestUIEngineCmdBase> iCommands;

   122  

   123     protected:  // not owned data

   124         

   125        CMCETestUIEngine& iEngine;       

   126     

   127        // Reference to wrapped MCEAudioStream

   128        CMceAudioCodec& iCodec;

   129 

   130 

   131         

   132     };

   133 

   134 #endif