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:  Video telephony engine class

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CVTENGMODEL_H

    21 #define CVTENGMODEL_H

    22 

    23 //  INCLUDES

    24 #include <e32base.h>

    25 //#include <MVtEngEngine.h>

    26 

    27 // CONSTANTS

    28 //const ?type ?constant_var = ?constant;

    29 

    30 // MACROS

    31 //#define ?macro ?macro_def

    32 

    33 // DATA TYPES

    34 //enum ?declaration

    35 //typedef ?declaration

    36 //extern ?data_type;

    37 

    38 // FUNCTION PROTOTYPES

    39 

    40 // FORWARD DECLARATIONS

    41 class MVtEngEventObserver;

    42 class MVtEngCommandObserver;

    43 class CVtEngEventManager;

    44 class CVtEngHandlerContainer;

    45 class MVtEngCommandHandler;

    46 class CVtEngCommandHandler;

    47 class MVtEngSessionInfo;

    48 class MVtEngMedia;

    49 class MVtEngAudio;

    50 class CVtEngStateManager;

    51 class CVtEngUtility;

    52 class CVtEngExtensions;

    53 

    54 // CLASS DECLARATION

    55 

    56 /**

    57 *  Model for video telephony engine.

    58 *

    59 *  @lib videoteleng

    60 *  @since 2.6

    61 */

    62 NONSHARABLE_CLASS( CVtEngModel ) : public CBase

    63     {

    64     public:  // Constructors and destructor

    65         

    66         /**

    67         * Two-phased constructor.

    68         * @param aEventObserver event observer

    69         * @param aCommandObserver command observer

    70         */

    71         IMPORT_C static CVtEngModel* NewL( 

    72             MVtEngEventObserver& aEventObserver,

    73             MVtEngCommandObserver& aCommandObserver );

    74         

    75         /**

    76         * Destructor.

    77         */

    78         IMPORT_C virtual ~CVtEngModel();

    79 

    80     public: // New functions

    81 

    82         IMPORT_C MVtEngCommandHandler& CommandHandler() const;

    83 

    84         IMPORT_C MVtEngSessionInfo& Session() const;

    85 

    86         IMPORT_C MVtEngMedia& Media() const;

    87 

    88         IMPORT_C MVtEngAudio& Audio() const;

    89 

    90         /**

    91         * Returns extension or NULL if extension cannot be found.

    92         * @param aExtensionUid extension uid

    93         * @return pointer to extension

    94         */

    95         IMPORT_C TAny* Extension( const TUid& aExtensionUid );

    96 

    97 

    98         

    99     protected:  // New functions

   100         

   101         /**

   102         * ?member_description.

   103         * @since ?Series60_version

   104         * @param ?arg1 ?description

   105         * @return ?description

   106         */

   107 

   108     protected:  // Functions from base classes

   109         

   110         /**

   111         * From ?base_class ?member_description

   112         */

   113 

   114     private:

   115 

   116         /**

   117         * C++ default constructor.

   118         */

   119         CVtEngModel();

   120 

   121         /**

   122         * By default Symbian 2nd phase constructor is private.

   123         */

   124         void ConstructL( MVtEngEventObserver& aEventObserver,

   125             MVtEngCommandObserver& aCommandObserver );    

   126 

   127     private:    // Data

   128 

   129         // Event manager acting as event mediator.

   130         CVtEngEventManager*     iEventManager;

   131 

   132         // Container for functional units.

   133         CVtEngHandlerContainer* iHandlers;

   134 

   135         // Handler for UI commands

   136         CVtEngCommandHandler*   iCommandHandler;

   137 

   138         // Manager for engine states

   139         CVtEngStateManager*     iStateManager;

   140 

   141         // Utility for TLS access

   142         CVtEngUtility*          iUtils;

   143         

   144         //  Container for engine extensions

   145         CVtEngExtensions* iExtensions;

   146        

   147     };

   148 

   149 #endif      // CVTENGMODEL_H

   150             

   151 // End of File