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:  Controls the volume of a CMMAVolumeControl.

    15 *

    16 */

    17 

    18 

    19 #ifndef CAMMSVOLUMECONTROL_H

    20 #define CAMMSVOLUMECONTROL_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>

    24 #include "cammscontrol.h"

    25 

    26 // FORWARD DECLARATIONS

    27 class CMMAVolumeControl;

    28 

    29 // CONSTANTS

    30 const TInt KAMMSMAXVolume = 100;

    31 

    32 // CLASS DECLARATION

    33 

    34 /**

    35 *

    36 *  Controls the volume of a CMMAVolumeControl.

    37 *  This class delegates SetVolumeL method calls to CMMAVolumeControl

    38 *  given in constructor.

    39 *

    40 *  @since 3.0

    41 */

    42 NONSHARABLE_CLASS(CAMMSVolumeControl): public CAMMSControl

    43 {

    44 public:  // Constructors and destructor

    45 

    46     /**

    47     * Two-phased constructor.

    48     * @param aControlName Class name for this control.

    49     * @param aVolumeControl Delegated control.

    50     * @param aPlayer Player that has this control.

    51     */

    52     static CAMMSVolumeControl* NewLC(const TDesC& aControlName,

    53     CMMAVolumeControl* aVolumeControl,

    54     CMMAPlayer* aPlayer);

    55 

    56     /**

    57     * Destructor.

    58     */

    59     ~CAMMSVolumeControl();

    60 

    61 public: // New functions

    62     /**

    63     * Sets the volume..

    64     *

    65     * @param aVolume The new volume to be set.

    66     */

    67     void SetVolumeL(TInt aVolume);

    68 

    69 public: // Functions from base classes

    70     const TDesC& ClassName() const;

    71 

    72 private:

    73     /**

    74     * C++ constructor.

    75     * @param aControlName Class name for this control.

    76     * @param aVolumeControl Delegated control.

    77     * @param aPlayer Player that has this control.

    78     */

    79     CAMMSVolumeControl(const TDesC& aControlName,

    80                        CMMAVolumeControl* aVolumeControl,

    81                        CMMAPlayer* aPlayer);

    82 

    83     /**

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

    85     */

    86     void ConstructL();

    87 

    88 private:  // Data

    89     const TDesC& iClassName;

    90 

    91     // Not owned mma volume control.

    92     CMMAVolumeControl* iVolumeControl;

    93 

    94     // Index in iVolumeControl

    95     TInt iControlLevelIndex;

    96 };

    97 

    98 #endif // CAMMSVOLUMECONTROL_H

    99 

   100