1 /*

     2 * Copyright (c) 2002 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:  This class implements PitchControl functionality.

    15 *

    16 */

    17 

    18 

    19 #ifndef CMMAMIDIPITCHCONTROL_H

    20 #define CMMAMIDIPITCHCONTROL_H

    21 

    22 // EXTERNAL INCLUDES

    23 

    24 //  INTERNAL INCLUDES

    25 #include "cmmacontrol.h" // base class

    26 

    27 // CONSTANTS

    28 

    29 // Constant for control name. Name is used in Java side to instantiate

    30 // Java Class which uses CMMAMIDIPitchControl.

    31 _LIT(KMIDIPitchControlName, "PitchControl");

    32 

    33 // Maximum and minimun pitch values

    34 const TInt KMIDIPitchControlMaxPitch = 2400;

    35 const TInt KMIDIPitchControlMinPitch = -2400;

    36 

    37 

    38 class CMMAMIDIPlayer;

    39 

    40 //  CLASS DECLARATION

    41 /**

    42 *   This class implements MIDIPitchControl interface.

    43 *

    44 *

    45 */

    46 NONSHARABLE_CLASS(CMMAMIDIPitchControl): public CMMAControl

    47 {

    48 public:

    49     /**

    50      * Creates new CMMAMIDIPitchControl.

    51      *

    52      * @param aPlayer Player that plays the content.

    53      */

    54     static CMMAMIDIPitchControl* NewL(CMMAMIDIPlayer* aPlayer);

    55 

    56     /**

    57      * Destructor.

    58      */

    59     ~CMMAMIDIPitchControl();

    60 protected:

    61     /**

    62      * Constructor.

    63      * @param aPlayer Player that plays the content.

    64      */

    65     CMMAMIDIPitchControl(CMMAMIDIPlayer* aPlayer);

    66 

    67 public: // From CMMAControl

    68     const TDesC& ClassName() const;

    69 

    70 public: // New methods

    71     /**

    72      * @return Pitch, if not available the default.

    73      */

    74     TInt PitchL();

    75 

    76     /**

    77      * @param aPitch Pitch to set in milli-beats per minute.

    78      * @return Actual Pitch set.

    79      */

    80     TInt SetPitchL(TInt aPitch);

    81 

    82     /**

    83      * @return The maximum rate supported.

    84      */

    85     TInt MaxPitchL();

    86 

    87     /**

    88      * @return The minimum rate supported.

    89      */

    90     TInt MinPitchL();

    91 

    92 private: // Data

    93     /**

    94      * Used to control MIDI playback.

    95      */

    96     CMMAMIDIPlayer* iPlayer;

    97 };

    98 

    99 

   100 #endif // CMMAMIDIPITCHCONTROL_H