omadrm/drmengine/notifier/src/DRMEventModify.cpp
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     1 /*
       
     2 * Copyright (c) 2004 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:  Notification Event object base class
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include    "DRMEventModify.h"
       
    22 
       
    23 // EXTERNAL DATA STRUCTURES
       
    24 // EXTERNAL FUNCTION PROTOTYPES  
       
    25 // CONSTANTS
       
    26 // MACROS
       
    27 // LOCAL CONSTANTS AND MACROS
       
    28 // MODULE DATA STRUCTURES
       
    29 // LOCAL FUNCTION PROTOTYPES
       
    30 // FORWARD DECLARATIONS
       
    31 
       
    32 
       
    33 // ============================ MEMBER FUNCTIONS ===============================
       
    34 
       
    35 
       
    36 // -----------------------------------------------------------------------------
       
    37 // CDRMEventModify::NewLC
       
    38 // Two phased constructor
       
    39 // -----------------------------------------------------------------------------
       
    40 //
       
    41 EXPORT_C CDRMEventModify* CDRMEventModify::NewLC()
       
    42     {
       
    43     CDRMEventModify* self = new (ELeave) CDRMEventModify( 0 );
       
    44     CleanupStack::PushL( self );
       
    45     return self;     
       
    46     };
       
    47 
       
    48 // -----------------------------------------------------------------------------
       
    49 // CDRMEventModify::NewL
       
    50 // Two phased constructor
       
    51 // -----------------------------------------------------------------------------
       
    52 //
       
    53 EXPORT_C CDRMEventModify* CDRMEventModify::NewL()
       
    54     {
       
    55     CDRMEventModify* self = NewLC();
       
    56     CleanupStack::Pop();
       
    57     return self;    
       
    58     };
       
    59 
       
    60 // -----------------------------------------------------------------------------
       
    61 // CDRMEventModify::CDRMEventModify
       
    62 // C++ default constructor can NOT contain any code, that
       
    63 // might leave.
       
    64 // -----------------------------------------------------------------------------
       
    65 //
       
    66 CDRMEventModify::CDRMEventModify( TUint32 aUniqueID ) : 
       
    67     MDRMEvent( KEventModify ), 
       
    68     iContentID( NULL ),
       
    69     iUniqueID( aUniqueID )
       
    70     {
       
    71     };
       
    72 
       
    73 // Destructor
       
    74 EXPORT_C CDRMEventModify::~CDRMEventModify()
       
    75     {
       
    76     if( iContentID )
       
    77         {
       
    78         delete iContentID;
       
    79         }
       
    80     };
       
    81 
       
    82 // -----------------------------------------------------------------------------
       
    83 // CDRMEventModify::SetContentIDL
       
    84 // Reserves memory for the content id, if one has been defined it is freed
       
    85 // (other items were commented in a header).
       
    86 // -----------------------------------------------------------------------------
       
    87 //
       
    88 EXPORT_C void CDRMEventModify::SetContentIDL( const TDesC8& aContentID )
       
    89     {
       
    90     if ( iContentID )
       
    91         {
       
    92         delete iContentID;
       
    93         iContentID = NULL;
       
    94         }
       
    95     iContentID = aContentID.AllocL();
       
    96     };
       
    97 
       
    98 // -----------------------------------------------------------------------------
       
    99 // CDRMEventModify::SetUniqueID
       
   100 // sets the unique id variable
       
   101 // (other items were commented in a header).
       
   102 // -----------------------------------------------------------------------------
       
   103 //
       
   104 EXPORT_C void CDRMEventModify::SetUniqueID( const TUint32 aUniqueID )
       
   105     {
       
   106     iUniqueID = aUniqueID;
       
   107     };
       
   108 
       
   109 // -----------------------------------------------------------------------------
       
   110 // CDRMEventModify::Status
       
   111 // returns the unique id variable
       
   112 // (other items were commented in a header).
       
   113 // -----------------------------------------------------------------------------
       
   114 //
       
   115 EXPORT_C TUint32 CDRMEventModify::UniqueID() const
       
   116     {
       
   117     return iUniqueID;
       
   118     };
       
   119 
       
   120 // -----------------------------------------------------------------------------
       
   121 // CDRMEventModify::GetContentIDL
       
   122 // returns the content id as parameter
       
   123 // (other items were commented in a header).
       
   124 // -----------------------------------------------------------------------------
       
   125 //
       
   126 EXPORT_C HBufC8* CDRMEventModify::GetContentIDL() const 
       
   127     {
       
   128     return iContentID->AllocL();
       
   129     };            
       
   130     
       
   131 // -----------------------------------------------------------------------------
       
   132 // CDRMEventModify::ExternalizeL
       
   133 // Writes the data of the object into the given stream
       
   134 // (other items were commented in a header).
       
   135 // -----------------------------------------------------------------------------
       
   136 //
       
   137 EXPORT_C void CDRMEventModify::ExternalizeL(
       
   138     RWriteStream& aOutput)
       
   139     {
       
   140     TInt outputLength = 0;
       
   141 
       
   142     MDRMEvent::ExternalizeL(aOutput);
       
   143 
       
   144     // get the output length of the HBufC8*
       
   145     outputLength = iContentID->Size();
       
   146     aOutput.WriteInt32L(outputLength);
       
   147 
       
   148     // write out the HBufC8*
       
   149     aOutput.WriteL(*iContentID);
       
   150 
       
   151     // this implementation may need to be changed if the size of the enum changes
       
   152     aOutput.WriteUint32L(iUniqueID);
       
   153     };
       
   154 
       
   155 
       
   156 // --------------------------------------------------------------------------- --
       
   157 // CDRMEventModify::Internalize
       
   158 // Reads the data of the object from the given stream
       
   159 // (other items were commented in a header).
       
   160 // -----------------------------------------------------------------------------
       
   161 //
       
   162 EXPORT_C void CDRMEventModify::InternalizeL(
       
   163     RReadStream& aInput) 
       
   164     {
       
   165     TInt inputLength = 0;
       
   166 
       
   167     MDRMEvent::InternalizeL(aInput);
       
   168 
       
   169     // Read the length of the HBufC8*
       
   170     inputLength = aInput.ReadInt32L();
       
   171 
       
   172     // Reserve the HBufC8*
       
   173     if( !iContentID )
       
   174         {
       
   175         iContentID = HBufC8::NewL(inputLength);
       
   176         }
       
   177     else 
       
   178         {
       
   179         iContentID->ReAllocL(inputLength);
       
   180         }
       
   181 
       
   182     // Read the HBufC8*
       
   183     TPtr8 inRead(iContentID->Des());
       
   184     aInput.ReadL(inRead,inputLength); 
       
   185 
       
   186     // this implementation may need to be changed if the size of the enum changes
       
   187     iUniqueID = aInput.ReadUint32L();
       
   188     };
       
   189 
       
   190 // End of File