mtpdataproviders/mtpplaybackcontroldp/inc/cmtpplaybackmap.h
branchRCL_3
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18:453dfc402455 19:0aa8cc770c8a
       
     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 CMTPPLAYBACKMAP_H
       
    22 #define CMTPPLAYBACKMAP_H
       
    23 
       
    24 #include <mtp/tmtptypeint32.h>
       
    25 #include <mtp/tmtptypeuint32.h>
       
    26 #include "mtpplaybackcontroldpconst.h"
       
    27 #include "mmtpplaybackinterface.h"
       
    28 #include "mtpdebug.h"
       
    29 
       
    30 class CMTPPlaybackCommand;
       
    31 class CMTPPlaybackProperty;
       
    32 class MMTPDataProviderFramework;
       
    33 
       
    34 class TMTPPbCtrlData
       
    35     {
       
    36 public:
       
    37     TMTPOperationCode iOptCode;
       
    38     TMTPDevicePropertyCode iDevPropCode;
       
    39     TMTPTypeUint32 iPropValUint32;
       
    40     TMTPTypeInt32  iPropValInt32;
       
    41     };
       
    42 
       
    43 
       
    44 /** 
       
    45 Implements CMTPPlaybackMap.
       
    46 @internalComponent
       
    47 */
       
    48 class CMTPPlaybackMap : public CBase
       
    49     {
       
    50 
       
    51 public:
       
    52 
       
    53     static CMTPPlaybackMap* NewL(MMTPDataProviderFramework& aFramework, CMTPPlaybackProperty& aProperty);    
       
    54     ~CMTPPlaybackMap();
       
    55     
       
    56     /**
       
    57      Factory meothod, map the MTP playback control data to playback control command,
       
    58      @param aData  TMTPPbCtrlData,
       
    59      @param aCmd output the valid playback command if the return value if KErrNone
       
    60      @return KErrNone if request is valid, else an error code.
       
    61     */
       
    62     TInt GetPlaybackControlCommand(const TMTPPbCtrlData& aData, CMTPPlaybackCommand** aCmd);
       
    63 
       
    64     /**
       
    65      Map the playback state to MTP playback rate,
       
    66      @param aState  TMTPPlaybackState
       
    67      @return the playback rate.
       
    68     */
       
    69     TInt32 PlaybackRateL(TMTPPlaybackState aState);
       
    70     
       
    71     /**
       
    72      Map the playback state to MTP playback rate,
       
    73      @param aSuid  SUID
       
    74      @return the playback object handle.
       
    75     */
       
    76     TUint32 ObjectHandleL(const TDesC& aSuid);
       
    77    
       
    78 private:
       
    79     CMTPPlaybackMap(MMTPDataProviderFramework& aFramework, CMTPPlaybackProperty& aProperty);
       
    80     void ConstructL();
       
    81     
       
    82     TInt HandleSetDevicePropValue(const TMTPPbCtrlData& aData, CMTPPlaybackCommand** aCmd);
       
    83     void HandleSetDevicePropValueL(const TMTPPbCtrlData& aData, CMTPPlaybackCommand** aCmd);
       
    84     TInt HandleGetDevicePropValue(const TMTPPbCtrlData& aData, CMTPPlaybackCommand** aCmd);
       
    85     void HandleGetDevicePropValueL(const TMTPPbCtrlData& aData, CMTPPlaybackCommand** aCmd);
       
    86     TInt HandleSkip(const TMTPPbCtrlData& aData, CMTPPlaybackCommand** aCmd);
       
    87     void HandleSkipL(const TMTPPbCtrlData& aData, CMTPPlaybackCommand** aCmd);
       
    88     void GetObjecInfoFromHandleL(TUint32 aHandle, TDes& aSuid, TUint& aFormat) const;
       
    89 
       
    90 private: // Owned.
       
    91 
       
    92     __FLOG_DECLARATION_MEMBER_MUTABLE;
       
    93     MMTPDataProviderFramework&      iFramework;
       
    94     CMTPPlaybackProperty& iProperty;
       
    95     };
       
    96     
       
    97 #endif //CMTPPLAYBACKMAP_H
       
    98