meetingui/meetingrequestutils/src/CMRUtilsCmdIterationAO.cpp
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     1 /*
       
     2 * Copyright (c) 2005 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 for meeting request utils command iteration  
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // ----------------------------------------------------------------------------
       
    21 // INCLUDE FILES
       
    22 // ----------------------------------------------------------------------------
       
    23 //
       
    24 #include "CMRUtilsCmdIterationAO.h"
       
    25 #include "CMRUtilsCalDbMgr.h"
       
    26 
       
    27 // CONSTANTS
       
    28 /// Unnamed namespace for local definitions
       
    29 namespace {
       
    30 
       
    31 enum TPanicCode
       
    32     {
       
    33     EPanicNonEmptyArrayWhenInactive = 1
       
    34     };
       
    35 
       
    36 _LIT( KPanicMsg, "CMRUtilsCmdIterationAO" );
       
    37 
       
    38 void Panic( TPanicCode aReason )
       
    39     {
       
    40     User::Panic( KPanicMsg, aReason );
       
    41     }
       
    42     
       
    43 }  // namespace
       
    44 
       
    45 // ----------------------------------------------------------------------------
       
    46 // MEMBER FUNCTIONS
       
    47 // ----------------------------------------------------------------------------
       
    48 //
       
    49 
       
    50 // ----------------------------------------------------------------------------
       
    51 // CMRUtilsCmdIterationAO::NewL
       
    52 // ----------------------------------------------------------------------------
       
    53 //
       
    54 CMRUtilsCmdIterationAO* CMRUtilsCmdIterationAO::NewL(
       
    55     MMRUtilsCalDbMgr& aDbMgr )
       
    56 	{
       
    57 	CMRUtilsCmdIterationAO* self =
       
    58 	    new( ELeave ) CMRUtilsCmdIterationAO( aDbMgr );
       
    59 	CleanupStack::PushL( self );
       
    60 	self->ConstructL();
       
    61 	CleanupStack::Pop();
       
    62 	return self;
       
    63 	}
       
    64 
       
    65 // ----------------------------------------------------------------------------
       
    66 // CMRUtilsCmdIterationAO::CMRUtilsCmdIterationAO
       
    67 //
       
    68 // Constructor.
       
    69 // ----------------------------------------------------------------------------
       
    70 //
       
    71 CMRUtilsCmdIterationAO::CMRUtilsCmdIterationAO(
       
    72     MMRUtilsCalDbMgr& aDbMgr )
       
    73     : CActive( EPriorityStandard ),
       
    74       iDbMgr( aDbMgr ),
       
    75       iOpCode( CMRUtils::ENoOperation )
       
    76     {    
       
    77     }
       
    78     
       
    79 // ----------------------------------------------------------------------------
       
    80 // CMRUtilsCmdIterationAO::~CMRUtilsCmdIterationAO
       
    81 //
       
    82 // Destructor.
       
    83 // ----------------------------------------------------------------------------
       
    84 //        
       
    85 CMRUtilsCmdIterationAO::~CMRUtilsCmdIterationAO()
       
    86     {
       
    87     Cancel();
       
    88     iCalEntryArray.Close();    
       
    89     }
       
    90     
       
    91 // ----------------------------------------------------------------------------
       
    92 // CMRUtilsCmdIterationAO::ConstructL
       
    93 // ----------------------------------------------------------------------------
       
    94 //    
       
    95 void CMRUtilsCmdIterationAO::ConstructL()
       
    96     {
       
    97     CActiveScheduler::Add( this );
       
    98     }
       
    99 
       
   100 // ----------------------------------------------------------------------------
       
   101 // CMRUtilsCmdIterationAO::ConstructL
       
   102 // ----------------------------------------------------------------------------
       
   103 //    
       
   104 void CMRUtilsCmdIterationAO::StartCmdIterationL(
       
   105     const RPointerArray<CCalEntry> aCalEntryArray,
       
   106     TInt aOpCode )
       
   107     {
       
   108     if ( IsActive() )
       
   109         {        
       
   110         User::Leave( KErrInUse );
       
   111         }
       
   112 
       
   113     // array must be empty when we are not active:
       
   114     __ASSERT_DEBUG( iCalEntryArray.Count() == 0,
       
   115                     Panic( EPanicNonEmptyArrayWhenInactive ) );
       
   116     
       
   117             
       
   118     TInt count( aCalEntryArray.Count() );
       
   119     for ( TInt i( 0 ); i < count; ++i )
       
   120         {        
       
   121         iCalEntryArray.AppendL( aCalEntryArray[i] );
       
   122         }
       
   123         
       
   124     iOpCode = aOpCode;
       
   125     
       
   126     TRequestStatus* status = &iStatus;
       
   127     User::RequestComplete( status, KErrNone );
       
   128     SetActive();
       
   129     }
       
   130 
       
   131 // -----------------------------------------------------------------------------
       
   132 // CMRUtilsCmdIterationAO::RunL
       
   133 // -----------------------------------------------------------------------------
       
   134 //
       
   135 void CMRUtilsCmdIterationAO::RunL()
       
   136     {
       
   137     TInt lastIndex( iCalEntryArray.Count() -1 );
       
   138     if ( lastIndex < 0 )
       
   139         { // no more items, we are finished
       
   140         iDbMgr.Completed( KErrNone );
       
   141         }
       
   142     
       
   143     else
       
   144         {            
       
   145         CCalEntry* lastEntry = iCalEntryArray[lastIndex];    
       
   146         
       
   147         switch ( iOpCode )
       
   148             {
       
   149             case CMRUtils::EDeleteEntries:
       
   150                 {
       
   151                 iDbMgr.DeleteEntryCondL( *lastEntry );
       
   152                 break;
       
   153                 }
       
   154             }
       
   155             
       
   156         // The last entry was handled and can be removed from array:
       
   157         iCalEntryArray.Remove( lastIndex );
       
   158         delete lastEntry;
       
   159         
       
   160         TRequestStatus* status = &iStatus;
       
   161         User::RequestComplete( status, KErrNone );        
       
   162         SetActive();
       
   163         }
       
   164     }
       
   165 
       
   166 // -----------------------------------------------------------------------------
       
   167 // CMRUtilsCmdIterationAO::DoCancel
       
   168 // -----------------------------------------------------------------------------
       
   169 //
       
   170 void CMRUtilsCmdIterationAO::DoCancel()
       
   171     {
       
   172     iCalEntryArray.ResetAndDestroy();
       
   173     iOpCode = CMRUtils::ENoOperation;
       
   174     }
       
   175     
       
   176 // -----------------------------------------------------------------------------
       
   177 // CMRUtilsCmdIterationAO::RunError
       
   178 // -----------------------------------------------------------------------------
       
   179 //
       
   180 TInt CMRUtilsCmdIterationAO::RunError( TInt aError )
       
   181     {
       
   182     iCalEntryArray.ResetAndDestroy();    
       
   183     iDbMgr.Completed( aError );
       
   184     iOpCode = CMRUtils::ENoOperation;    
       
   185     return KErrNone;
       
   186     }
       
   187 
       
   188 // End of file