omaprovisioning/provisioning/ProvisioningEngine/Src/CWPBindingContextManager.cpp
changeset 0 b497e44ab2fc
child 73 ae69c2e8bc34
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-1:000000000000 0:b497e44ab2fc
       
     1 /*
       
     2 * Copyright (c) 2002 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:  Multiple context manager.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 //  INCLUDE FILES
       
    20 #include "CWPBindingContextManager.h"
       
    21 #include <d32dbms.h>
       
    22 #include <sysutil.h>
       
    23 #include "MWPContextExtension.h"
       
    24 #include "MWPContextExtensionArray.h"
       
    25 #include "WPEngineDebug.h"
       
    26 #include "ProvisioningDebug.h"
       
    27 
       
    28 
       
    29 // CONSTANTS
       
    30 /// Size of the database grows 16 bytes plus the actual data. Tested empirically.
       
    31 const TInt KNewSaveDataSizeEstimate = 16;
       
    32 
       
    33 // ============================ MEMBER FUNCTIONS ===============================
       
    34 
       
    35 // -----------------------------------------------------------------------------
       
    36 // CWPBindingContextManager::CWPBindingContextManager
       
    37 // C++ default constructor can NOT contain any code, that
       
    38 // might leave.
       
    39 // -----------------------------------------------------------------------------
       
    40 //
       
    41 CWPBindingContextManager::CWPBindingContextManager()
       
    42 	{
       
    43 	}
       
    44 
       
    45 // -----------------------------------------------------------------------------
       
    46 // CWPBindingContextManager::ConstructL
       
    47 // Symbian 2nd phase constructor can leave.
       
    48 // -----------------------------------------------------------------------------
       
    49 //
       
    50 void CWPBindingContextManager::ConstructL()
       
    51 	{
       
    52     CWPMultiContextManager::ConstructL();
       
    53 	}
       
    54 
       
    55 // -----------------------------------------------------------------------------
       
    56 // CWPBindingContextManager::NewL
       
    57 // Two-phased constructor.
       
    58 // -----------------------------------------------------------------------------
       
    59 //
       
    60 CWPBindingContextManager* CWPBindingContextManager::NewL()
       
    61 	{
       
    62 	CWPBindingContextManager* self = NewLC();
       
    63 	CleanupStack::Pop();
       
    64 	
       
    65 	return self;
       
    66 	}
       
    67 
       
    68 // -----------------------------------------------------------------------------
       
    69 // CWPBindingContextManager::NewLC
       
    70 // Two-phased constructor.
       
    71 // -----------------------------------------------------------------------------
       
    72 //
       
    73 CWPBindingContextManager* CWPBindingContextManager::NewLC()
       
    74 	{
       
    75 	CWPBindingContextManager* self = new( ELeave ) CWPBindingContextManager;
       
    76 	
       
    77 	CleanupStack::PushL( self );
       
    78 	self->ConstructL();
       
    79 	
       
    80 	return self;
       
    81 	}
       
    82 
       
    83 // Destructor
       
    84 CWPBindingContextManager::~CWPBindingContextManager()
       
    85 	{
       
    86 	}
       
    87 
       
    88 // -----------------------------------------------------------------------------
       
    89 // CWPBindingContextManager::DeleteContextL
       
    90 // -----------------------------------------------------------------------------
       
    91 //
       
    92 void CWPBindingContextManager::DeleteContextL( MWPContextExtensionArray& aArray, 
       
    93                                               TUint32 aUid )
       
    94 	{
       
    95     CheckDatabaseL();
       
    96 
       
    97     // Make sure that all context data has been deleted
       
    98     while( DeleteContextDataL( aArray, aUid ) )
       
    99     	{
       
   100     	}
       
   101 
       
   102     // Delete the actual context
       
   103     CWPMultiContextManager::DeleteContextL( aArray, aUid );
       
   104     }
       
   105 
       
   106 // -----------------------------------------------------------------------------
       
   107 // CWPBindingContextManager::DeleteContextDataL
       
   108 // -----------------------------------------------------------------------------
       
   109 //
       
   110 TBool CWPBindingContextManager::DeleteContextDataL( 
       
   111     MWPContextExtensionArray& aArray, TUint32 aUid )
       
   112 	{
       
   113     CheckDatabaseL();
       
   114 
       
   115     // Call DeleteL() for all related adapter extensions
       
   116     RDbTable table;
       
   117     OpenLC( KDbTableData, table );
       
   118     CDbColSet* colset = table.ColSetL();
       
   119     TInt adapterIdCol( colset->ColNo( KDbColumnDataAdapterId ) );
       
   120     TInt saveDataCol( colset->ColNo( KDbColumnDataSaveData ) );
       
   121     delete colset;
       
   122     
       
   123     User::LeaveIfError( table.SetIndex( KDbIndexDataContextId ) );
       
   124     TBool found( table.SeekL( TDbSeekKey( TUint( aUid ) ) ) );
       
   125     if( found )
       
   126         {
       
   127         table.GetL();
       
   128         TUint32 adapterId( table.ColUint32( adapterIdCol ) );
       
   129         TPtrC8 saveData( table.ColDes8( saveDataCol ) );
       
   130         
       
   131         for( TInt i( 0 ); i < aArray.MwpceCount(); i++ )
       
   132             {
       
   133             if( aArray.MwpcePoint( i ).Uid() == adapterId )
       
   134                 {
       
   135                 DVA( "DeleteContextDataL: Deleting data using adapter %08x", 
       
   136                     adapterId );
       
   137                 aArray.MwpcePoint( i ).DeleteL( saveData );
       
   138                 DVA( "DeleteContextDataL: Deleted data using adapter %08x", 
       
   139                     adapterId );
       
   140                 }
       
   141             }
       
   142         table.DeleteL();
       
   143         }
       
   144 
       
   145     CleanupStack::PopAndDestroy(); // table
       
   146     return found;
       
   147     }
       
   148 
       
   149 // -----------------------------------------------------------------------------
       
   150 // CWPBindingContextManager::ContextDataCountL
       
   151 // -----------------------------------------------------------------------------
       
   152 //
       
   153 TInt CWPBindingContextManager::ContextDataCountL( TUint32 aUid )
       
   154 	{
       
   155 	FLOG( _L( "[Provisioning] CWPBindingContextManager::ContextDataCountL:" ) );
       
   156     CheckDatabaseL();
       
   157 
       
   158     // Call DeleteL() for all related adapter extensions
       
   159     RDbTable table;
       
   160     OpenLC( KDbTableData, table, RDbRowSet::EReadOnly );
       
   161     CDbColSet* colset = table.ColSetL();
       
   162     TInt contextId( colset->ColNo( KDbColumnDataContextId ) );
       
   163     delete colset;
       
   164     
       
   165     User::LeaveIfError( table.SetIndex( KDbIndexDataContextId ) );
       
   166     table.SeekL( TDbSeekKey( TUint( aUid ) ) );
       
   167     TInt found( 0 );
       
   168     while( table.AtRow() && 
       
   169         (table.GetL(), table.ColUint32( contextId ) == aUid ) )
       
   170         {
       
   171         found++;
       
   172         table.NextL();
       
   173         }
       
   174     FTRACE(RDebug::Print(_L("[Provisioning] CWPBindingContextManager::ContextDataCountL count (%d)"), found));
       
   175     CleanupStack::PopAndDestroy(); // table
       
   176     return found;
       
   177     }
       
   178 
       
   179 // -----------------------------------------------------------------------------
       
   180 // CWPBindingContextManager::SaveL
       
   181 // -----------------------------------------------------------------------------
       
   182 //
       
   183 void CWPBindingContextManager::SaveL( 
       
   184     MWPContextExtension& aExtension, TInt aItem )
       
   185 	{
       
   186 	FLOG( _L( "[Provisioning] CWPBindingContextManager::SaveL:" ) );
       
   187 	
       
   188     CheckDatabaseL();
       
   189 
       
   190     // Grab save data only if a context is active
       
   191     if( CurrentContextL() != KWPMgrUidNoContext )
       
   192         {
       
   193         FLOG( _L( "[Provisioning] CWPBindingContextManager::SaveL: 1" ) );
       
   194         TPtrC8 saveData( aExtension.SaveDataL( aItem ) );
       
   195         if( saveData != KNullDesC8 )
       
   196             {
       
   197             if( SysUtil::FFSSpaceBelowCriticalLevelL( 
       
   198                 NULL, KNewSaveDataSizeEstimate+saveData.Length() ) )
       
   199                 {
       
   200                 User::Leave( KErrDiskFull );
       
   201                 }
       
   202 
       
   203             RDbTable table;
       
   204             OpenLC( KDbTableData, table );
       
   205 
       
   206             CDbColSet* colset = table.ColSetL();
       
   207             TInt contextIdCol( colset->ColNo( KDbColumnDataContextId ) );
       
   208             TInt adapterIdCol( colset->ColNo( KDbColumnDataAdapterId ) );
       
   209             TInt saveDataCol( colset->ColNo( KDbColumnDataSaveData ) );
       
   210             delete colset;
       
   211 
       
   212             DatabaseBeginLC();
       
   213 
       
   214             InsertBeginLC( table );
       
   215             table.SetColL( contextIdCol, CurrentContextL() );
       
   216             table.SetColL( adapterIdCol, aExtension.Uid() );
       
   217             table.SetColL( saveDataCol, saveData );
       
   218             InsertCommitLP( table );
       
   219             
       
   220             DatabaseCommitLP();
       
   221             CleanupStack::PopAndDestroy(); // table
       
   222             }
       
   223         }
       
   224     FLOG( _L( "[Provisioning] CWPBindingContextManager::SaveL: done" ) );
       
   225 	}
       
   226 
       
   227 //  End of File