mpx/commonframework/common/src/mpxdrmmediautility.cpp
changeset 0 a2952bb97e68
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     1 /*
       
     2 * Copyright (c) 2006 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:  EXPORT_C implementation of drm media utility
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <bautils.h>
       
    20 #include <mpxmedia.h>
       
    21 #include "mpxdrmmediautility.h"
       
    22 #include "mpxdrmmediaomaagent.h"
       
    23 #include "mpxdrmmediawmaagent.h"
       
    24 #include "mpxmediadrmdefs.h"
       
    25 #include "mpxlog.h"
       
    26 
       
    27 // -----------------------------------------------------------------------------
       
    28 // Two-phased constructor.
       
    29 // -----------------------------------------------------------------------------
       
    30 //
       
    31 EXPORT_C CMPXDrmMediaUtility* CMPXDrmMediaUtility::NewL()
       
    32     {
       
    33     MPX_FUNC("CMPXDrmMediaUtility::NewL()");
       
    34     CMPXDrmMediaUtility* p = new (ELeave) CMPXDrmMediaUtility();
       
    35     CleanupStack::PushL(p);
       
    36     p->ConstructL();
       
    37     CleanupStack::Pop(p);
       
    38     return p;
       
    39     }
       
    40 
       
    41 // -----------------------------------------------------------------------------
       
    42 // Two-phased constructor.
       
    43 // -----------------------------------------------------------------------------
       
    44 //
       
    45 EXPORT_C CMPXDrmMediaUtility* CMPXDrmMediaUtility::NewLC()
       
    46     {
       
    47     MPX_FUNC("CMPXDrmMediaUtility::NewLC()");
       
    48     CMPXDrmMediaUtility* p = new (ELeave) CMPXDrmMediaUtility();
       
    49     CleanupStack::PushL(p);
       
    50     p->ConstructL();
       
    51     return p;
       
    52     }
       
    53 
       
    54 // -----------------------------------------------------------------------------
       
    55 // Destructor
       
    56 // -----------------------------------------------------------------------------
       
    57 //
       
    58 EXPORT_C CMPXDrmMediaUtility::~CMPXDrmMediaUtility()
       
    59     {
       
    60     MPX_FUNC("CMPXDrmMediaUtility::~CMPXDrmMediaUtility()");
       
    61     iAgents.ResetAndDestroy();
       
    62     iAgents.Close();
       
    63     delete iDefaultMedia;
       
    64     iFs.Close();
       
    65     }
       
    66 
       
    67 // -----------------------------------------------------------------------------
       
    68 // Default constructor
       
    69 // -----------------------------------------------------------------------------
       
    70 //
       
    71 CMPXDrmMediaUtility::CMPXDrmMediaUtility()
       
    72     {
       
    73     MPX_FUNC("CMPXDrmMediaUtility::CMPXDrmMediaUtility()");
       
    74     }
       
    75 
       
    76 // ----------------------------------------------------------------------------
       
    77 // 2nd phase constructor.
       
    78 // ----------------------------------------------------------------------------
       
    79 //
       
    80 void CMPXDrmMediaUtility::ConstructL()
       
    81     {
       
    82     MPX_FUNC("CMPXDrmMediaUtility::ConstructL()");
       
    83 
       
    84     // Create the OMA Agent
       
    85     CMPXDrmMediaOmaAgent* omaAgent = CMPXDrmMediaOmaAgent::NewLC();
       
    86     iAgents.Insert( omaAgent, EOmaDrmAgent );
       
    87     CleanupStack::Pop( omaAgent );
       
    88 
       
    89     // Create the WMA Agent
       
    90     CMPXDrmMediaWmaAgent* wmaAgent = CMPXDrmMediaWmaAgent::NewLC();
       
    91     iAgents.Insert( wmaAgent, EWmaDrmAgent );
       
    92     CleanupStack::Pop( wmaAgent );
       
    93 
       
    94     // Create a default media
       
    95     RArray<TInt> supportedIds;
       
    96     CleanupClosePushL( supportedIds );
       
    97     supportedIds.AppendL(KMPXMediaIdDrm);
       
    98     iDefaultMedia = CMPXMedia::NewL( supportedIds.Array() );
       
    99     CleanupStack::PopAndDestroy( &supportedIds );
       
   100     iDefaultMedia->SetTObjectValueL( KMPXMediaDrmProtected,
       
   101                                      EFalse );
       
   102 
       
   103     // Create file system session
       
   104     User::LeaveIfError( iFs.Connect() );
       
   105     }
       
   106 
       
   107 
       
   108 // ----------------------------------------------------------------------------
       
   109 // Initialize utility using a filename
       
   110 // ----------------------------------------------------------------------------
       
   111 //
       
   112 EXPORT_C void CMPXDrmMediaUtility::InitL( const TDesC& aFileName )
       
   113     {
       
   114     MPX_DEBUG2("CMPXDrmMediaUtility::InitL(%S) entering", &aFileName );
       
   115 
       
   116     Close();
       
   117 
       
   118     if ( BaflUtils::FileExists( iFs, aFileName ))
       
   119         {
       
   120         CContent* content( CContent::NewLC( aFileName, EContentShareReadWrite ));
       
   121         FindAgent( *content );
       
   122         if ( iCurrentAgent )
       
   123             {
       
   124             iCurrentAgent->InitL( aFileName );
       
   125             }
       
   126         CleanupStack::PopAndDestroy( content );
       
   127         }
       
   128     iConsumeStarted = EFalse;
       
   129 
       
   130     MPX_DEBUG1("CMPXDrmMediaUtility::InitL() exiting" );
       
   131     }
       
   132 
       
   133 // ----------------------------------------------------------------------------
       
   134 // Initialize utility using a file handle
       
   135 // ----------------------------------------------------------------------------
       
   136 //
       
   137 EXPORT_C void CMPXDrmMediaUtility::InitL( RFile& aFile )
       
   138     {
       
   139     MPX_DEBUG1("CMPXDrmMediaUtility::InitL(RFile) entering" );
       
   140 
       
   141     Close();
       
   142     CContent* content = CContent::NewLC( aFile );
       
   143     FindAgent( *content );
       
   144     if ( iCurrentAgent )
       
   145         {
       
   146         iCurrentAgent->InitL( aFile );
       
   147         }
       
   148     CleanupStack::PopAndDestroy( content );
       
   149     iConsumeStarted = EFalse;
       
   150 
       
   151     MPX_DEBUG1("CMPXDrmMediaUtility::InitL(RFile) exiting" );
       
   152     }
       
   153 
       
   154 // ----------------------------------------------------------------------------
       
   155 // Gets media object with the given attributes
       
   156 // ----------------------------------------------------------------------------
       
   157 //
       
   158 EXPORT_C const CMPXMedia* CMPXDrmMediaUtility::GetMediaL( TUint aAttributes )
       
   159     {
       
   160     MPX_DEBUG2("CMPXDrmMediaUtility::GetMediaL(%d) entering", aAttributes );
       
   161 
       
   162     const CMPXMedia* media( NULL );
       
   163     if ( iCurrentAgent )
       
   164         {
       
   165         media = &( iCurrentAgent->GetMediaL( aAttributes ));
       
   166         }
       
   167     else
       
   168         {
       
   169         MPX_DEBUG1("CMPXDrmMediaUtility::GetMediaL(): Returning default media");
       
   170         media = iDefaultMedia;
       
   171         }
       
   172 
       
   173     MPX_DEBUG1("CMPXDrmMediaUtility::GetMediaL() exiting" );
       
   174     return media;
       
   175     }
       
   176 
       
   177 
       
   178 // ----------------------------------------------------------------------------
       
   179 // Consumes the rights for the current media according
       
   180 // to the specified consume type
       
   181 // ----------------------------------------------------------------------------
       
   182 //
       
   183 EXPORT_C void CMPXDrmMediaUtility::ConsumeL( TDrmConsumeType aType )
       
   184     {
       
   185     MPX_DEBUG1("CMPXDrmMediaUtility::ConsumeL() entering");
       
   186 
       
   187     if ( iCurrentAgent )
       
   188         {
       
   189         TDrmConsumeType type( EMPXDrmConsumeNone );
       
   190         const CMPXMedia& media( iCurrentAgent->GetMediaL( EMPXMediaDrmProtected ));
       
   191         if ( media.ValueTObjectL<TBool>( KMPXMediaDrmProtected ))
       
   192             {
       
   193             switch ( aType )
       
   194                 {
       
   195                 case EMPXDrmConsumeStart:
       
   196                     {
       
   197                     type = aType;
       
   198                     iConsumeStarted = ETrue;
       
   199                     break;
       
   200                     }
       
   201                 case EMPXDrmConsumePause:
       
   202                 case EMPXDrmConsumeContinue:
       
   203                 case EMPXDrmConsumeFinish:
       
   204                     {
       
   205                     if ( iConsumeStarted )
       
   206                         {
       
   207                         type = aType;
       
   208                         if ( EMPXDrmConsumeFinish == aType )
       
   209                             {
       
   210                             iConsumeStarted = EFalse;
       
   211                             }
       
   212                         }
       
   213                     break;
       
   214                     }
       
   215                 case EMPXDrmConsumeStartOrContinue:
       
   216                     {
       
   217                     if ( iConsumeStarted )
       
   218                         {
       
   219                         type = EMPXDrmConsumeContinue;
       
   220                         }
       
   221                     else
       
   222                         {
       
   223                         type = EMPXDrmConsumeStart;
       
   224                         iConsumeStarted = ETrue;
       
   225                         }
       
   226                     break;
       
   227                     }
       
   228                 default:
       
   229                     {
       
   230                     type = EMPXDrmConsumeNone;
       
   231                     iConsumeStarted = EFalse;
       
   232                     break;
       
   233                     }
       
   234                 }
       
   235 
       
   236             if ( EMPXDrmConsumeNone != type )
       
   237                 {
       
   238                 iCurrentAgent->ConsumeL( type );
       
   239                 }
       
   240             }
       
   241         else
       
   242             {
       
   243             iConsumeStarted = EFalse;
       
   244             }
       
   245         }
       
   246 
       
   247     MPX_DEBUG1("CMPXDrmMediaUtility::ConsumeL() exiting" );
       
   248     }
       
   249 
       
   250 // ----------------------------------------------------------------------------
       
   251 // Closes and unitializes the utility
       
   252 // ----------------------------------------------------------------------------
       
   253 //
       
   254 EXPORT_C void CMPXDrmMediaUtility::Close()
       
   255     {
       
   256     MPX_DEBUG1("CMPXDrmMediaUtility::Close() entering" );
       
   257 
       
   258     if ( iCurrentAgent )
       
   259         {
       
   260         iCurrentAgent->Close();
       
   261         iCurrentAgent = NULL;
       
   262         }
       
   263 
       
   264     MPX_DEBUG1("CMPXDrmMediaUtility::Close() exiting" );
       
   265     }
       
   266 
       
   267 // ----------------------------------------------------------------------------
       
   268 // Finds an agent to handle the content
       
   269 // ----------------------------------------------------------------------------
       
   270 //
       
   271 void CMPXDrmMediaUtility::FindAgent( CContent& aContent )
       
   272     {
       
   273     MPX_DEBUG1("CMPXDrmMediaUtility::FindAgent() entering" );
       
   274 
       
   275     TAgent agent( aContent.Agent() );
       
   276     if ( agent.Name() == KMPXWDRMCafAgentName ||
       
   277          agent.Name() == KMPXS60WMDRMCafAgent )
       
   278         {
       
   279         iCurrentAgent = iAgents[EWmaDrmAgent];
       
   280         }
       
   281     else if ( agent.Name() == KMPXOMACafAgentName )
       
   282         {
       
   283         iCurrentAgent = iAgents[EOmaDrmAgent];
       
   284         }
       
   285     else
       
   286         {
       
   287         iCurrentAgent = NULL;
       
   288         }
       
   289     MPX_DEBUG1("CMPXDrmMediaUtility::FindAgent() exiting" );
       
   290     }