mtpdataproviders/mtpplaybackcontroldp/src/cmtpplaybackmap.cpp
branchRCL_3
changeset 42 0aa8cc770c8a
child 47 63cf70d3ecd8
equal deleted inserted replaced
40:453dfc402455 42:0aa8cc770c8a
       
     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 #include <mtp/cmtpobjectmetadata.h>
       
    22 #include <mtp/mmtpdataproviderframework.h>
       
    23 #include <mtp/mmtpobjectmgr.h>
       
    24 
       
    25 #include "cmtpplaybackmap.h"
       
    26 #include "cmtpplaybackcommand.h"
       
    27 #include "cmtpplaybackcontroldp.h"
       
    28 #include "mtpplaybackcontrolpanic.h"
       
    29 
       
    30 
       
    31 // Class constants.
       
    32 __FLOG_STMT(_LIT8(KComponent,"MTPPlaybackMap");)
       
    33 
       
    34 const TInt KPlaybackRatePlay = 1000;
       
    35 const TInt KPlaybackRatePause = 0;
       
    36 const TInt KPlaybackRateFF = 2000;
       
    37 const TInt KPlaybackRateREW = -2000;
       
    38 /**
       
    39 Two-phase constructor.
       
    40 @param aPlugin The data provider plugin
       
    41 @return a pointer to the created playback checker object
       
    42 */  
       
    43 CMTPPlaybackMap* CMTPPlaybackMap::NewL(MMTPDataProviderFramework& aFramework,
       
    44                                        CMTPPlaybackProperty& aProperty)
       
    45     {
       
    46     CMTPPlaybackMap* self = new (ELeave) CMTPPlaybackMap(aFramework, aProperty);
       
    47     CleanupStack::PushL(self);
       
    48     self->ConstructL();
       
    49     CleanupStack::Pop(self);
       
    50     return self;
       
    51     }
       
    52 
       
    53 /**
       
    54 Destructor.
       
    55 */    
       
    56 CMTPPlaybackMap::~CMTPPlaybackMap()
       
    57     {    
       
    58     __FLOG(_L8("~CMTPPlaybackMap - Entry"));
       
    59     __FLOG(_L8("~CMTPPlaybackMap - Exit"));
       
    60     __FLOG_CLOSE;
       
    61     }
       
    62 
       
    63 /**
       
    64 Constructor.
       
    65 */    
       
    66 CMTPPlaybackMap::CMTPPlaybackMap(MMTPDataProviderFramework& aFramework, 
       
    67                                  CMTPPlaybackProperty& aProperty):
       
    68     iFramework(aFramework),iProperty(aProperty)
       
    69     {    
       
    70     }
       
    71     
       
    72 /**
       
    73 Second-phase constructor.
       
    74 */        
       
    75 void CMTPPlaybackMap::ConstructL()
       
    76     {
       
    77     __FLOG_OPEN(KMTPSubsystem, KComponent);
       
    78     __FLOG(_L8("CMTPPlaybackMap: ConstructL - Entry")); 
       
    79     __FLOG(_L8("CMTPPlaybackMap: ConstructL - Exit")); 
       
    80     }
       
    81 
       
    82 TInt CMTPPlaybackMap::GetPlaybackControlCommand(const TMTPPbCtrlData& aData, 
       
    83                                                 CMTPPlaybackCommand** aCmd)
       
    84     {
       
    85     __FLOG(_L8("GetPlaybackControlCommand - Entry"));
       
    86     TInt result = KErrNotSupported;
       
    87     switch(aData.iOptCode)
       
    88         {
       
    89         case EMTPOpCodeSetDevicePropValue:
       
    90         case EMTPOpCodeResetDevicePropValue:
       
    91             {
       
    92             result = HandleSetDevicePropValue(aData, aCmd);            
       
    93             }
       
    94             break;
       
    95         case EMTPOpCodeGetDevicePropValue:
       
    96         case EMTPOpCodeGetDevicePropDesc:
       
    97             {
       
    98             result = HandleGetDevicePropValue(aData, aCmd);            
       
    99             }
       
   100             break;
       
   101         case EMTPOpCodeSkip:
       
   102             {
       
   103             result = HandleSkip(aData, aCmd);            
       
   104             }
       
   105             break;
       
   106         default:
       
   107             break;
       
   108         }
       
   109     __FLOG(_L8("GetPlaybackControlCommand - Exit"));
       
   110     return result;
       
   111     }
       
   112 
       
   113 TInt CMTPPlaybackMap::HandleSetDevicePropValue(const TMTPPbCtrlData& aData, 
       
   114                                                CMTPPlaybackCommand** aCmd)
       
   115     {
       
   116     TRAPD(err, HandleSetDevicePropValueL(aData, aCmd));
       
   117     return err;
       
   118     }
       
   119 
       
   120 void CMTPPlaybackMap::HandleSetDevicePropValueL(const TMTPPbCtrlData& aData, 
       
   121                                                CMTPPlaybackCommand** aCmd)
       
   122     {
       
   123     __FLOG(_L8("HandleSetDevicePropValueL - Entry"));
       
   124     __ASSERT_DEBUG((aData.iOptCode == EMTPOpCodeSetDevicePropValue) ||
       
   125                     (aData.iOptCode == EMTPOpCodeResetDevicePropValue),
       
   126                     Panic(EMTPPBArgumentErr));
       
   127 
       
   128     switch(aData.iDevPropCode)
       
   129         {
       
   130         case EMTPDevicePropCodeVolume:
       
   131             {
       
   132             TUint32 val = aData.iPropValUint32.Value();
       
   133             CMTPPbCmdParam* param = CMTPPbCmdParam::NewL(val);
       
   134             CleanupStack::PushL(param);
       
   135             *aCmd = CMTPPlaybackCommand::NewL(EPlaybackCmdSetVolume, param);
       
   136             CleanupStack::Pop(param);
       
   137             }
       
   138             break;
       
   139             
       
   140         case EMTPDevicePropCodePlaybackRate:
       
   141             {
       
   142             TInt32 val = aData.iPropValInt32.Value();
       
   143             TMTPPlaybackCommand cmd = EPlaybackCmdNone;
       
   144             switch(val)
       
   145                 {
       
   146                 case KPlaybackRateFF:
       
   147                     cmd = EPlaybackCmdSeekForward;
       
   148                     break;
       
   149                 case KPlaybackRatePlay:
       
   150                     cmd = EPlaybackCmdPlay;
       
   151                     break;
       
   152                 case KPlaybackRatePause:
       
   153                     cmd = EPlaybackCmdPause;
       
   154                     break;
       
   155                 case KPlaybackRateREW:
       
   156                     cmd = EPlaybackCmdSeekBackward;
       
   157                     break;
       
   158                 default:
       
   159                     User::Leave(KErrArgument);
       
   160                     break;
       
   161                 }
       
   162             if(cmd != EPlaybackCmdNone)
       
   163                 {
       
   164                 *aCmd = CMTPPlaybackCommand::NewL(cmd, NULL);
       
   165                 }
       
   166             else
       
   167                 {
       
   168                 *aCmd = NULL;
       
   169                 }
       
   170             }
       
   171             break;
       
   172             
       
   173         case EMTPDevicePropCodePlaybackObject:
       
   174             {
       
   175             TUint32 handle = aData.iPropValUint32.Value();
       
   176             if(handle == 0)
       
   177                 {
       
   178                 *aCmd = CMTPPlaybackCommand::NewL(EPlaybackCmdStop, NULL);
       
   179                 }
       
   180             else
       
   181                 {
       
   182                 TFileName suid;
       
   183                 TUint format;
       
   184                 GetObjecInfoFromHandleL(handle, suid, format);
       
   185                 TMTPPbCategory cat = EMTPPbCatNone;
       
   186                 switch(format)
       
   187                     {
       
   188                     case 0xBA05://Abstract Audio & Video Playlist
       
   189                     case 0xBA11://M3U Playlist
       
   190                         cat = EMTPPbCatPlayList;
       
   191                         break;
       
   192                     case 0xBA03://Abstract Audio Album
       
   193                         cat = EMTPPbCatAlbum;
       
   194                         break;
       
   195                     case 0x3009://MP3
       
   196                     case 0xB903://AAC (Advance Audio Coding)
       
   197                     case 0xB901://WMA (Windows Media Audio)
       
   198                     case 0x3008://WAV (Waveform audio format)
       
   199                         cat = EMTPPbCatMusic;
       
   200                         break;
       
   201                     default:
       
   202                         User::Leave(KErrArgument);
       
   203                         break;
       
   204                     }
       
   205                 if(cat != EMTPPbCatNone)
       
   206                     {
       
   207                     CMTPPbCmdParam* param = CMTPPbCmdParam::NewL(cat, suid);
       
   208                     CleanupStack::PushL(param);
       
   209                     *aCmd = CMTPPlaybackCommand::NewL(EPlaybackCmdInitObject, param);
       
   210                     CleanupStack::Pop(param);
       
   211                     }
       
   212                 else
       
   213                     {
       
   214                     *aCmd = NULL;
       
   215                     }
       
   216                 }
       
   217             }
       
   218             break;
       
   219             
       
   220         case EMTPDevicePropCodePlaybackContainerIndex:
       
   221             {
       
   222             TUint32 index = aData.iPropValUint32.Value();
       
   223             CMTPPbCmdParam* param = CMTPPbCmdParam::NewL(index);
       
   224             CleanupStack::PushL(param);
       
   225             *aCmd = CMTPPlaybackCommand::NewL(EPlaybackCmdInitIndex, param);
       
   226             CleanupStack::Pop(param);
       
   227             }
       
   228             break;
       
   229             
       
   230         case EMTPDevicePropCodePlaybackPosition:
       
   231             {
       
   232             TUint32 position = aData.iPropValUint32.Value();
       
   233             CMTPPbCmdParam* param = CMTPPbCmdParam::NewL(position);
       
   234             CleanupStack::PushL(param);
       
   235             *aCmd = CMTPPlaybackCommand::NewL(EPlaybackCmdSetPosition, param);
       
   236             CleanupStack::Pop(param);
       
   237             }
       
   238             break;
       
   239             
       
   240         default:
       
   241             User::Leave(KErrArgument);
       
   242             break;
       
   243         }
       
   244     __FLOG(_L8("HandleSetDevicePropValueL - Exit"));
       
   245     }
       
   246 
       
   247 TInt CMTPPlaybackMap::HandleGetDevicePropValue(const TMTPPbCtrlData& aData, 
       
   248                                                CMTPPlaybackCommand** aCmd)
       
   249     {
       
   250     TRAPD(err, HandleGetDevicePropValueL(aData, aCmd));
       
   251     return err;
       
   252     }
       
   253 void CMTPPlaybackMap::HandleGetDevicePropValueL(const TMTPPbCtrlData& aData, 
       
   254                                                CMTPPlaybackCommand** aCmd)
       
   255     {
       
   256     __FLOG(_L8("HandleGetDevicePropValueL - Entry"));
       
   257     __ASSERT_DEBUG((aData.iOptCode == EMTPOpCodeGetDevicePropValue) ||
       
   258                     (aData.iOptCode == EMTPOpCodeGetDevicePropDesc),
       
   259                     Panic(EMTPPBArgumentErr));
       
   260 
       
   261     switch(aData.iDevPropCode)
       
   262         {
       
   263         case EMTPDevicePropCodeVolume:
       
   264             {
       
   265             TMTPPlaybackCommand cmd = EPlaybackCmdGetVolumeSet;
       
   266             if(aData.iOptCode == EMTPOpCodeGetDevicePropValue)
       
   267                 {
       
   268                 cmd = EPlaybackCmdGetVolume;
       
   269                 }
       
   270             *aCmd = CMTPPlaybackCommand::NewL(cmd, NULL);
       
   271             }
       
   272             break;
       
   273             
       
   274         case EMTPDevicePropCodePlaybackRate:
       
   275             {
       
   276             *aCmd = CMTPPlaybackCommand::NewL(EPlaybackCmdGetState, NULL);
       
   277             }
       
   278             break;
       
   279             
       
   280         case EMTPDevicePropCodePlaybackObject:
       
   281             {
       
   282             *aCmd = CMTPPlaybackCommand::NewL(EPlaybackCmdGetObject, NULL);
       
   283             }
       
   284             break;
       
   285             
       
   286         case EMTPDevicePropCodePlaybackContainerIndex:
       
   287             {
       
   288             *aCmd = CMTPPlaybackCommand::NewL(EPlaybackCmdGetIndex, NULL);
       
   289             }
       
   290             break;
       
   291             
       
   292         case EMTPDevicePropCodePlaybackPosition:
       
   293             {
       
   294             *aCmd = CMTPPlaybackCommand::NewL(EPlaybackCmdGetPosition, NULL);
       
   295             }
       
   296             break;
       
   297             
       
   298         default:
       
   299             User::Leave(KErrArgument);
       
   300             break;
       
   301         }
       
   302     __FLOG(_L8("HandleGetDevicePropValueL - Exit"));
       
   303     }
       
   304 
       
   305 TInt CMTPPlaybackMap::HandleSkip(const TMTPPbCtrlData& aData, 
       
   306                                  CMTPPlaybackCommand** aCmd)
       
   307     {
       
   308     TRAPD(err, HandleSkipL(aData, aCmd));
       
   309     return err;
       
   310     }
       
   311 
       
   312 void CMTPPlaybackMap::HandleSkipL(const TMTPPbCtrlData& aData, 
       
   313                                  CMTPPlaybackCommand** aCmd)
       
   314     {
       
   315     __FLOG(_L8("HandleSkipL - Entry"));
       
   316     TInt32 step = aData.iPropValInt32.Value();
       
   317     CMTPPbCmdParam* param = CMTPPbCmdParam::NewL(step);
       
   318     CleanupStack::PushL(param);
       
   319     *aCmd = CMTPPlaybackCommand::NewL(EPlaybackCmdSkip, param);
       
   320     CleanupStack::Pop(param);
       
   321     __FLOG(_L8("HandleSkipL - Exit"));
       
   322     }
       
   323 
       
   324 TInt32 CMTPPlaybackMap::PlaybackRateL(TMTPPlaybackState aState)
       
   325     {
       
   326     __FLOG(_L8("PlaybackRate - Entry"));
       
   327     TInt32 rate = KPlaybackRatePause;
       
   328     switch(aState)
       
   329         {
       
   330         case EPlayStateForwardSeeking:
       
   331             rate = KPlaybackRateFF;
       
   332             break;
       
   333             
       
   334         case EPlayStatePlaying:
       
   335             rate = KPlaybackRatePlay;
       
   336             break;
       
   337             
       
   338         case EPlayStatePaused:
       
   339             rate = KPlaybackRatePause;
       
   340             break;
       
   341             
       
   342         case EPlayStateBackwardSeeking:
       
   343             rate = KPlaybackRateREW;
       
   344             break;
       
   345             
       
   346         default:
       
   347             User::Leave(KErrArgument);
       
   348             break;
       
   349         }
       
   350     __FLOG(_L8("PlaybackRate - Exit"));
       
   351     return rate;
       
   352     }
       
   353 
       
   354 TUint32 CMTPPlaybackMap::ObjectHandleL(const TDesC& aSuid)
       
   355     {
       
   356     __FLOG(_L8("ObjectHandleL - Entry"));
       
   357     CMTPObjectMetaData* meta(CMTPObjectMetaData::NewLC());
       
   358     TBool result = iFramework.ObjectMgr().ObjectL(aSuid, *meta);
       
   359     __ASSERT_ALWAYS(result, User::Leave(KErrBadHandle));
       
   360     __ASSERT_DEBUG(meta, Panic(EMTPPBDataNullErr));
       
   361     TUint32 handle = meta->Uint(CMTPObjectMetaData::EHandle);
       
   362     CleanupStack::PopAndDestroy(meta);
       
   363     __FLOG(_L8("ObjectHandleL - Exit"));
       
   364     return handle;
       
   365     }
       
   366 
       
   367 void CMTPPlaybackMap::GetObjecInfoFromHandleL(TUint32 aHandle, TDes& aSuid, TUint& aFormat) const
       
   368     {
       
   369     __FLOG(_L8("GetObjecInfoFromHandleL - Entry"));
       
   370     CMTPObjectMetaData* meta(CMTPObjectMetaData::NewLC());
       
   371     TBool result = iFramework.ObjectMgr().ObjectL(aHandle, *meta);
       
   372     __ASSERT_ALWAYS(result, User::Leave(KErrBadHandle));
       
   373     __ASSERT_DEBUG(meta, Panic(EMTPPBDataNullErr));
       
   374     aSuid = meta->DesC(CMTPObjectMetaData::ESuid);
       
   375     aFormat = meta->Uint(CMTPObjectMetaData::EFormatCode);
       
   376     CleanupStack::PopAndDestroy(meta);
       
   377     __FLOG(_L8("GetObjecInfoFromHandleL - Exit"));
       
   378     }