1 // Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalComponent

    19 */

    20 

    21 #ifndef CMTPPLAYBACKPARAM_H

    22 #define CMTPPLAYBACKPARAM_H

    23 

    24 #include "mtpdebug.h"

    25 

    26 /**

    27  Category identifier

    28 */

    29 enum TMTPPbCategory

    30     {

    31     /** Init value **/

    32     EMTPPbCatNone=0,

    33     /** SingleMusic **/

    34     EMTPPbCatMusic=1,

    35     /** PlayList**/

    36     EMTPPbCatPlayList = 2,

    37     /** Ablum **/

    38     EMTPPbCatAlbum = 3       

    39     };

    40 

    41 enum TMTPPbDataType

    42     {

    43     EMTPPbTypeNone,

    44     EMTPPbInt32,

    45     EMTPPbUint32,

    46     EMTPPbSuidSet,

    47     EMTPPbVolumeSet,

    48     EMTPPbTypeEnd

    49     };

    50 

    51 class TMTPPbDataSuid

    52     {

    53 public:

    54     TMTPPbDataSuid(TMTPPbCategory aCategory, const TDesC& aSuid);

    55 

    56     TMTPPbCategory Category() const;

    57     const TDesC& Suid() const;

    58 

    59 private:

    60     //The category

    61     TMTPPbCategory iPlayCategory;

    62     //The suid of object for initialization    

    63     TFileName iSuid;

    64     };

    65 

    66 /**

    67 * Encapsulates parameter for playback commands and events.

    68 */

    69 class CMTPPbParamBase : public CBase

    70     {

    71 public:

    72     virtual const TMTPPbDataSuid& SuidSetL() const;

    73     virtual TInt32 Int32L() const;

    74     virtual TUint32 Uint32L() const;

    75     virtual ~CMTPPbParamBase();

    76     TMTPPbDataType Type() const;

    77 

    78 protected:

    79     /**

    80      * The constuctor.

    81      * @param aCategory, category of object for initialization,

    82      */

    83     CMTPPbParamBase();

    84     CMTPPbParamBase(TInt32 aValue);

    85     CMTPPbParamBase(TUint32 aValue);

    86     CMTPPbParamBase(TMTPPbCategory aCategory, const TDesC& aSuid);

    87 

    88     void ConstructL(TMTPPbCategory aCategory, const TDesC& aSuid);

    89     void ConstructL(TInt32 aValue);

    90     void ConstructL(TUint32 aValue);

    91     void ConstructL(const CMTPPbParamBase& aParam);

    92     void SetType(TMTPPbDataType);

    93     TAny* GetData() const;

    94     void SetData(TAny* aData);

    95 

    96 private:

    97     __FLOG_DECLARATION_MEMBER;

    98 

    99     TMTPPbDataType  iParamType;

   100     TAny*       iData;

   101     };

   102 

   103 #endif //CMTPPLAYBACKPARAM_H

   104