phonebookengines/VirtualPhonebook/VPbkSimStore/src/CDeleteContactsOperation.cpp
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     1 /*
       
     2 * Copyright (c) 2002-2007 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:  A contact operation for deleting multiple contacts
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include "CDeleteContactsOperation.h"
       
    22 
       
    23 #include <MVPbkBatchOperationObserver.h>
       
    24 #include "CContactStore.h"
       
    25 #include "CRemoteStore.h"
       
    26 #include "VPbkSimStoreError.h"
       
    27 
       
    28 namespace VPbkSimStore {
       
    29 
       
    30 // CONSTANTS
       
    31 
       
    32 // Contacts are delete one contact at a time
       
    33 const TInt KStepSize = 1;
       
    34 
       
    35 // ============================= LOCAL FUNCTIONS ===============================
       
    36 
       
    37 // -----------------------------------------------------------------------------
       
    38 // SendStepFailed
       
    39 // Send step failed event to given observer.
       
    40 // -----------------------------------------------------------------------------
       
    41 //
       
    42 inline TBool SendStepFailed( CDeleteContactsOperation& aOperation, TInt aError,
       
    43     MVPbkBatchOperationObserver& aObserver )
       
    44     { 
       
    45     return aObserver.StepFailed( aOperation, KStepSize, aError );
       
    46     }
       
    47 
       
    48 // -----------------------------------------------------------------------------
       
    49 // SendStepComplete
       
    50 // Send step completed event to given observer.
       
    51 // -----------------------------------------------------------------------------
       
    52 //
       
    53 inline void SendStepComplete( CDeleteContactsOperation& aOperation,
       
    54     MVPbkBatchOperationObserver& aObserver )
       
    55     {
       
    56     aObserver.StepComplete( aOperation, KStepSize );
       
    57     }
       
    58 
       
    59 // -----------------------------------------------------------------------------
       
    60 // SendOperationComplete
       
    61 // Send operation completed event to given observer.
       
    62 // -----------------------------------------------------------------------------
       
    63 //
       
    64 inline void SendOperationComplete( CDeleteContactsOperation& aOperation,
       
    65     MVPbkBatchOperationObserver& aObserver )
       
    66     {
       
    67     aObserver.OperationComplete( aOperation );
       
    68     }
       
    69 
       
    70 // ============================ MEMBER FUNCTIONS ===============================
       
    71 
       
    72 // -----------------------------------------------------------------------------
       
    73 // CDeleteContactsOperation::CDeleteContactsOperation
       
    74 // C++ default constructor can NOT contain any code, that
       
    75 // might leave.
       
    76 // -----------------------------------------------------------------------------
       
    77 //
       
    78 CDeleteContactsOperation::CDeleteContactsOperation( CContactStore& aStore, 
       
    79     MVPbkBatchOperationObserver& aObserver )
       
    80     :   iStore( aStore ),
       
    81         iObserver( aObserver )
       
    82     {
       
    83     }
       
    84 
       
    85 // -----------------------------------------------------------------------------
       
    86 // CDeleteContactsOperation::ConstructL
       
    87 // Symbian 2nd phase constructor can leave.
       
    88 // -----------------------------------------------------------------------------
       
    89 //
       
    90 void CDeleteContactsOperation::ConstructL( 
       
    91     const TArray<TInt>& aSimIndexes )
       
    92     {
       
    93     const TInt count = aSimIndexes.Count();
       
    94     for ( TInt i = 0; i < count; ++i )
       
    95         {
       
    96         iSimIndexes.AppendIntL( aSimIndexes[i] );
       
    97         }
       
    98         
       
    99     __ASSERT_DEBUG( iSimIndexes.Count() > 0,
       
   100         VPbkSimStore::Panic( VPbkSimStore::EZeroIndexesInDeleteOperation ) );
       
   101     }
       
   102 
       
   103 // -----------------------------------------------------------------------------
       
   104 // CDeleteContactsOperation::NewL
       
   105 // Two-phased constructor.
       
   106 // -----------------------------------------------------------------------------
       
   107 //
       
   108 CDeleteContactsOperation* CDeleteContactsOperation::NewL( 
       
   109     CContactStore& aStore, MVPbkBatchOperationObserver& aObserver,
       
   110     const TArray<TInt>& aSimIndexes )
       
   111     {
       
   112     CDeleteContactsOperation* self = 
       
   113         new( ELeave ) CDeleteContactsOperation( aStore, aObserver );
       
   114     CleanupStack::PushL( self );
       
   115     self->ConstructL( aSimIndexes );
       
   116     CleanupStack::Pop( self );
       
   117     return self;
       
   118     }
       
   119 
       
   120 // Destructor
       
   121 CDeleteContactsOperation::~CDeleteContactsOperation()
       
   122     {
       
   123     Cancel();
       
   124     }
       
   125 
       
   126 // -----------------------------------------------------------------------------
       
   127 // CDeleteContactsOperation::StartL
       
   128 // -----------------------------------------------------------------------------
       
   129 //
       
   130 void CDeleteContactsOperation::StartL()
       
   131     {
       
   132     // Open store because the operation must listen to store events.
       
   133     iStore.OpenL( *this );
       
   134     }
       
   135 
       
   136 // -----------------------------------------------------------------------------
       
   137 // CDeleteContactsOperation::Cancel
       
   138 // -----------------------------------------------------------------------------
       
   139 //
       
   140 void CDeleteContactsOperation::Cancel()
       
   141     {
       
   142     delete iSimOperation;
       
   143     iSimOperation = NULL;
       
   144     iStore.Close( *this );
       
   145     iSimIndexes.Close();
       
   146     }
       
   147 
       
   148 // -----------------------------------------------------------------------------
       
   149 // CDeleteContactsOperation::ContactEventComplete
       
   150 // -----------------------------------------------------------------------------
       
   151 //
       
   152 void CDeleteContactsOperation::ContactEventComplete( TEvent /*aEvent*/, 
       
   153     CVPbkSimContact* /*aContact*/ )
       
   154     {
       
   155     // All the contacts have been deleted. Complete operation.
       
   156     SendOperationComplete( *this, iObserver );  
       
   157     }
       
   158 
       
   159 // -----------------------------------------------------------------------------
       
   160 // CDeleteContactsOperation::ContactEventError
       
   161 // -----------------------------------------------------------------------------
       
   162 //
       
   163 void CDeleteContactsOperation::ContactEventError( TEvent /*aEvent*/, 
       
   164     CVPbkSimContact* /*aContact*/, TInt aError )
       
   165     {
       
   166     // An error happened, the operatio can not continue.
       
   167     CompleteWithError( aError );
       
   168     }
       
   169             
       
   170 // -----------------------------------------------------------------------------
       
   171 // CDeleteContactsOperation::ContactEventError
       
   172 // -----------------------------------------------------------------------------
       
   173 //
       
   174 void CDeleteContactsOperation::StoreReady(MVPbkContactStore& /*aContactStore*/)
       
   175     {
       
   176     TRAPD( res, iSimOperation = iStore.NativeStore().DeleteL( 
       
   177         iSimIndexes, *this ) );
       
   178     if ( res != KErrNone )
       
   179         {
       
   180         CompleteWithError( res );
       
   181         }
       
   182     }
       
   183     
       
   184 // -----------------------------------------------------------------------------
       
   185 // CDeleteContactsOperation::ContactEventError
       
   186 // -----------------------------------------------------------------------------
       
   187 //
       
   188 void CDeleteContactsOperation::StoreUnavailable(
       
   189         MVPbkContactStore& /*aContactStore*/, 
       
   190         TInt aReason)
       
   191     {
       
   192     CompleteWithError( aReason );
       
   193     }
       
   194 
       
   195 // -----------------------------------------------------------------------------
       
   196 // CDeleteContactsOperation::ContactEventError
       
   197 // -----------------------------------------------------------------------------
       
   198 //
       
   199 void CDeleteContactsOperation::HandleStoreEventL(
       
   200         MVPbkContactStore& /*aContactStore*/, 
       
   201         TVPbkContactStoreEvent aStoreEvent)
       
   202     {
       
   203     if ( aStoreEvent.iEventType == TVPbkContactStoreEvent::EContactDeleted )
       
   204         {
       
   205         SendStepComplete( *this, iObserver );
       
   206         }
       
   207     }
       
   208 
       
   209 // -----------------------------------------------------------------------------
       
   210 // CDeleteContactsOperation::CompleteWithError
       
   211 // -----------------------------------------------------------------------------
       
   212 //
       
   213 void CDeleteContactsOperation::CompleteWithError( TInt aError )
       
   214     {
       
   215     // Delete the async operation so that it doesn't send events after error
       
   216     delete iSimOperation;
       
   217     iSimOperation = NULL;
       
   218     // Close store so that the operation doesn't get store events after error.
       
   219     iStore.Close( *this );
       
   220     // Send error code to client.
       
   221     if ( SendStepFailed( *this, aError, iObserver ) )
       
   222         {
       
   223         // If client does continue call OperationComplete() for it.
       
   224         SendOperationComplete( *this, iObserver );        
       
   225         }
       
   226     }    
       
   227 } // namespace VPbkSimStore
       
   228 //  End of File