ximpfw/presence/srcpresencedatamodel/presenceinfo/devicepresenceinfoimp.cpp
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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:  Implementation of MDevicePresenceInfo object.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "presenceinfofield.h"
       
    20 #include "devicepresenceinfoimp.h"
       
    21 #include "presenceinfofieldcollectionimp.h"
       
    22 #include "ximprbufhelpers.h"
       
    23 #include "presenceinfofilterimp.h"
       
    24 
       
    25 // ============================ MEMBER FUNCTIONS =============================
       
    26 
       
    27 // ---------------------------------------------------------------------------
       
    28 // CDevicePresenceInfoImp::NewLC()
       
    29 // ---------------------------------------------------------------------------
       
    30 //
       
    31 EXPORT_C CDevicePresenceInfoImp* CDevicePresenceInfoImp::NewLC()
       
    32     {
       
    33     CDevicePresenceInfoImp* self = new( ELeave ) CDevicePresenceInfoImp;
       
    34     CleanupStack::PushL( self );
       
    35     self->ConstructL();
       
    36     return self;
       
    37     }
       
    38 
       
    39 // ---------------------------------------------------------------------------
       
    40 // CDevicePresenceInfoImp::NewFromStreamLC()
       
    41 // ---------------------------------------------------------------------------
       
    42 //
       
    43 XIMPIMP_IMPLEMENT_DATAOBJ_NEWFROMSTREAM( CDevicePresenceInfoImp )
       
    44 
       
    45 
       
    46 // ---------------------------------------------------------------------------
       
    47 // Implement supported interface access.
       
    48 // ---------------------------------------------------------------------------
       
    49 //
       
    50 XIMPIMP_IF_BASE_GET_INTERFACE_BEGIN( CDevicePresenceInfoImp,
       
    51                                      MDevicePresenceInfo )
       
    52 XIMPIMP_IF_BASE_GET_INTERFACE_END()
       
    53 
       
    54 XIMPIMP_IF_BASE_GET_CONST_INTERFACE_BEGIN( CDevicePresenceInfoImp,
       
    55                                            MDevicePresenceInfo )
       
    56 XIMPIMP_IF_BASE_GET_INTERFACE_END()
       
    57 
       
    58 // ---------------------------------------------------------------------------
       
    59 // CDevicePresenceInfoImp::~CDevicePresenceInfoImp()
       
    60 // ---------------------------------------------------------------------------
       
    61 //
       
    62 CDevicePresenceInfoImp::~CDevicePresenceInfoImp()
       
    63     {
       
    64     delete iFields;
       
    65     iDeviceName.Close();
       
    66     }
       
    67 
       
    68 
       
    69 // ---------------------------------------------------------------------------
       
    70 // CDevicePresenceInfoImp::CDevicePresenceInfoImp()
       
    71 // ---------------------------------------------------------------------------
       
    72 //
       
    73 CDevicePresenceInfoImp::CDevicePresenceInfoImp()
       
    74     {
       
    75     }
       
    76 
       
    77 
       
    78 // ---------------------------------------------------------------------------
       
    79 // CDevicePresenceInfoImp::ConstructL()
       
    80 // ---------------------------------------------------------------------------
       
    81 //
       
    82 void CDevicePresenceInfoImp::ConstructL()
       
    83     {
       
    84     iFields = CPresenceInfoFieldCollectionImp::NewLC();
       
    85     CleanupStack::Pop( iFields );
       
    86     
       
    87     iDeviceName.CreateL( 0 );
       
    88     }
       
    89 
       
    90 // ---------------------------------------------------------------------------
       
    91 // CDevicePresenceInfoImp::ExternalizeL()
       
    92 // ---------------------------------------------------------------------------
       
    93 //
       
    94 void CDevicePresenceInfoImp::ExternalizeL( RWriteStream& aStream ) const
       
    95     {
       
    96     XIMPRBuf8Helper::ExternalizeL( iDeviceName, aStream );
       
    97     iFields->ExternalizeL( aStream );
       
    98     }
       
    99 
       
   100 
       
   101 // ---------------------------------------------------------------------------
       
   102 // CDevicePresenceInfoImp::InternalizeL()
       
   103 // ---------------------------------------------------------------------------
       
   104 //
       
   105 EXPORT_C void CDevicePresenceInfoImp::InternalizeL( RReadStream& aStream )
       
   106     {
       
   107     XIMPRBuf8Helper::InternalizeL( iDeviceName, aStream );
       
   108 
       
   109     // we only have a parameterless ConstructL which creates the fields structure...
       
   110     CXIMPApiDataObjBase* tmp = CPresenceInfoFieldCollectionImp::NewFromStreamLC( aStream );
       
   111     CPresenceInfoFieldCollectionImp* fields = 
       
   112         TXIMPGetImpClassOrPanic< CPresenceInfoFieldCollectionImp >::From( tmp->Base() );
       
   113     delete iFields;
       
   114     iFields = fields;
       
   115     CleanupStack::Pop( tmp );
       
   116     }
       
   117 
       
   118 
       
   119 // ---------------------------------------------------------------------------
       
   120 // CDevicePresenceInfoImp::EqualsContent()
       
   121 // ---------------------------------------------------------------------------
       
   122 //
       
   123 TBool CDevicePresenceInfoImp::EqualsContent(
       
   124         const CXIMPApiDataObjBase& aOtherInstance ) const
       
   125     {
       
   126     const CDevicePresenceInfoImp* tmp =
       
   127         TXIMPGetImpClassOrPanic< const CDevicePresenceInfoImp >::From(
       
   128                 aOtherInstance.Base() );
       
   129 
       
   130     TBool same = ETrue;
       
   131     TBool x;
       
   132     x = iFields->EqualsContent( *( tmp->iFields ) );
       
   133     same &= x;
       
   134 
       
   135     return same;
       
   136     }
       
   137 
       
   138 // ---------------------------------------------------------------------------
       
   139 // From MDevicePresenceInfo class.
       
   140 // CDevicePresenceInfoImp::DeviceName()
       
   141 // ---------------------------------------------------------------------------
       
   142 //
       
   143 const TPtrC8 CDevicePresenceInfoImp::DeviceName() const
       
   144     {
       
   145     return iDeviceName;
       
   146     }
       
   147 
       
   148 // ---------------------------------------------------------------------------
       
   149 // From MDevicePresenceInfo class.
       
   150 // CDevicePresenceInfoImp::SetDeviceNameL()
       
   151 // ---------------------------------------------------------------------------
       
   152 //
       
   153 void CDevicePresenceInfoImp::SetDeviceNameL( const TDesC8& aDeviceName ) 
       
   154     {
       
   155     HBufC8* tmp = aDeviceName.AllocL();
       
   156     iDeviceName.Close();
       
   157     iDeviceName.Assign( tmp );
       
   158     }
       
   159 
       
   160 
       
   161 // ---------------------------------------------------------------------------
       
   162 // From MDevicePresenceInfo class.
       
   163 // CDevicePresenceInfoImp::Fields()
       
   164 // ---------------------------------------------------------------------------
       
   165 //
       
   166 const MPresenceInfoFieldCollection& CDevicePresenceInfoImp::Fields() const
       
   167     {
       
   168     return *iFields;
       
   169     }
       
   170 
       
   171 
       
   172 // ---------------------------------------------------------------------------
       
   173 // From MDevicePresenceInfo class.
       
   174 // CDevicePresenceInfoImp::Fields()
       
   175 // ---------------------------------------------------------------------------
       
   176 //
       
   177 MPresenceInfoFieldCollection& CDevicePresenceInfoImp::Fields()
       
   178     {
       
   179     return *iFields;
       
   180     }
       
   181 
       
   182 // ---------------------------------------------------------------------------
       
   183 // CDevicePresenceInfoImp::FilterWithL()
       
   184 // ---------------------------------------------------------------------------
       
   185 //
       
   186 void CDevicePresenceInfoImp::FilterWithL( const CPresenceInfoFilterImp& aFilter )
       
   187     {
       
   188     TInt count = iFields->FieldCount();
       
   189 
       
   190     // must traverse backwards when removing
       
   191     for ( TInt i = count-1; i >= 0; i-- )
       
   192         {
       
   193         if ( ! aFilter.MatchDeviceFilterL( 
       
   194                     iDeviceName, 
       
   195                     iFields->FieldAt( i ).FieldType() ) )
       
   196             {
       
   197             // no match, so remove the field
       
   198             // the filter tells us which ones to ACCEPT
       
   199             iFields->RemoveField( i );
       
   200             }
       
   201         }
       
   202     }
       
   203 
       
   204 // End of file