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 __CMCETESTUIENGINEVIDEOSOURCE_H__

    22 #define __CMCETESTUIENGINEVIDEOSOURCE_H__

    23 

    24 // INCLUDES

    25 

    26 #include "MMCETestUIEngineCmdProvider.h"

    27 #include <e32base.h>

    28 #include <MceMediaSource.h>

    29 // FORWARD DECLARATIONS

    30 

    31 class CMCETestUIEngine;

    32 class CMceVideoStream;

    33 class CMCETestUIEngineVideoStream;

    34 class CMCETestUIEngineSession;

    35 

    36 

    37 // CLASS DECLARATION

    38 /**

    39 * 

    40 * CMCETestUIEngineAudioStream provides a wrapper for CMCEAudioStream.

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

    42 * conform to interface provided by CMCESession. Instead class

    43 * implements interface MMCETestUIEngineCmdProvider to provide

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

    45 * of abstraction.

    46 *

    47 */

    48 class CMCETestUIEngineVideoSource : public CBase,

    49                                     public MMCETestUIEngineCmdProvider

    50     {

    51 

    52     public: // public enumerations

    53     

    54     public: // Constructors and destructors

    55             

    56     	/**

    57     	* Destructor.

    58     	*/

    59     	IMPORT_C virtual ~CMCETestUIEngineVideoSource();

    60 

    61        /**

    62         * Two-phased constructor. Not imported.

    63         */

    64         static CMCETestUIEngineVideoSource* NewL(

    65             CMCETestUIEngine& aEngine, 

    66             CMceMediaSource& aSource );

    67             

    68     public: // From MMCETestUICommandProvider

    69 

    70         /**

    71         * Gets the commands applicaple to this session object.

    72         *

    73         * @return reference to array of commands

    74         */

    75         IMPORT_C const RPointerArray<TMCETestUIEngineCmdBase>& 

    76                     GetCommandsL();

    77 

    78     public: // New functions

    79 	    

    80 	   

    81 	    /**

    82 	    * Gets the state of the stream

    83 	    * @return Textual representation of streams state

    84 	    */

    85         IMPORT_C const TDesC16& State() const;

    86         

    87      //   IMPORT_C const TMCESourceType Type() const;

    88 	    	    

    89     public: // New functions, internal

    90 

    91         /**

    92         * Gets wrapped MCEAudioStream object

    93         * 

    94         * @return wrapped MCEMCEAudioStream

    95         */

    96        

    97         IMPORT_C CMceMediaSource& Source();

    98         /**

    99         *

   100         * Solves and sets the direction of session based on streams and

   101         * their properties.

   102         *

   103         * @return the newly set direction of session

   104         */

   105                

   106         IMPORT_C TMceSourceType Type() const;

   107         

   108     private:  // private constructors

   109 	    

   110         /**

   111         * C++ default constructor. Not implemented.

   112         */

   113         CMCETestUIEngineVideoSource();	

   114     

   115     protected:

   116     

   117         /**

   118         * C++ first phase constructor.

   119         */

   120         CMCETestUIEngineVideoSource( 

   121                     CMCETestUIEngine& aEngine, 

   122             CMceMediaSource& aSource );

   123 

   124        	/**

   125         * Symbian second-phase constructor

   126         */

   127         void ConstructL();	   

   128         

   129     protected:  // owned data  

   130     

   131         // Commands applicable to an audiostream. Owned.

   132        RPointerArray<TMCETestUIEngineCmdBase> iCommands;

   133  

   134     protected:  // not owned data

   135         

   136        CMCETestUIEngine& iEngine;     

   137     

   138        // Reference to wrapped MCEAudioStream

   139        CMceMediaSource& iSource;

   140 

   141       

   142         

   143     };

   144 

   145 #endif