phonebookengines/VirtualPhonebook/VPbkSimStoreImpl/src/CFindOperation.cpp
branchRCL_3
changeset 20 f4a778e096c2
parent 0 e686773b3f54
equal deleted inserted replaced
19:5b6f26637ad3 20:f4a778e096c2
       
     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 find operation that loops the contact data
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include "CFindOperation.h"
       
    22 
       
    23 #include "CVPbkSimContact.h"
       
    24 #include "CVPbkSimCntField.h"
       
    25 #include "CStoreBase.h"
       
    26 #include "CContactArray.h"
       
    27 #include "MVPbkSimFindObserver.h"
       
    28 #include <CVPbkContactFindPolicy.h>
       
    29 
       
    30 
       
    31 namespace VPbkSimStoreImpl {
       
    32 
       
    33 // CONSTANTS
       
    34 /// The amount of contacts to loop through in on cycle
       
    35 const TInt KContactsToCheckInOneCycle = 50;
       
    36 
       
    37 // ============================ MEMBER FUNCTIONS ===============================
       
    38 
       
    39 // -----------------------------------------------------------------------------
       
    40 // CFindOperation::CFindOperation
       
    41 // C++ default constructor can NOT contain any code, that
       
    42 // might leave.
       
    43 // -----------------------------------------------------------------------------
       
    44 //
       
    45 CFindOperation::CFindOperation( MVPbkSimFindObserver& aObserver,
       
    46     CStoreBase& aStore )
       
    47     :   CActive( EPriorityStandard ),
       
    48         iObserver( aObserver ),
       
    49         iStore( aStore )
       
    50     {
       
    51     }
       
    52 
       
    53 // -----------------------------------------------------------------------------
       
    54 // CFindOperation::ConstructL
       
    55 // Symbian 2nd phase constructor can leave.
       
    56 // -----------------------------------------------------------------------------
       
    57 //
       
    58 void CFindOperation::ConstructL( const TDesC& aStringToFind, 
       
    59     RVPbkSimFieldTypeArray& aFieldTypes )
       
    60     {
       
    61     CActiveScheduler::Add( this );
       
    62     iStringToFind = aStringToFind.AllocL();
       
    63     const TInt count = aFieldTypes.Count();
       
    64     for ( TInt i = 0; i < count; ++i )
       
    65         {
       
    66         iFieldTypes.AppendL( aFieldTypes[i] );
       
    67         }
       
    68 
       
    69     // Create a find policy object via ECom
       
    70     iFindPolicy = CVPbkContactFindPolicy::NewL();
       
    71     }
       
    72 
       
    73 // -----------------------------------------------------------------------------
       
    74 // CFindOperation::NewL
       
    75 // Two-phased constructor.
       
    76 // -----------------------------------------------------------------------------
       
    77 //
       
    78 CFindOperation* CFindOperation::NewL( MVPbkSimFindObserver& aObserver,
       
    79     CStoreBase& aStore, const TDesC& aStringToFind, 
       
    80     RVPbkSimFieldTypeArray& aFieldTypes )
       
    81     {
       
    82     CFindOperation* self = new( ELeave ) CFindOperation( aObserver, aStore );
       
    83     CleanupStack::PushL( self );
       
    84     self->ConstructL( aStringToFind, aFieldTypes );
       
    85     CleanupStack::Pop( self );
       
    86     return self;
       
    87     }
       
    88 
       
    89 // Destructor
       
    90 CFindOperation::~CFindOperation()
       
    91     {
       
    92     Cancel();
       
    93     delete iFindPolicy;
       
    94     delete iStringToFind;
       
    95     iFieldTypes.Close();
       
    96     iResults.Close();
       
    97     // Find policy is loaded as ECOM plug-in so clean ECOM server
       
    98     REComSession::FinalClose();
       
    99     }
       
   100 
       
   101 // -----------------------------------------------------------------------------
       
   102 // CFindOperation::Execute
       
   103 // -----------------------------------------------------------------------------
       
   104 //
       
   105 void CFindOperation::Execute()
       
   106     {
       
   107     // Start from the first sim index
       
   108     iNextSimIndex = 1;
       
   109     iResults.Reset();
       
   110     NextCycle();
       
   111     }
       
   112 
       
   113 // -----------------------------------------------------------------------------
       
   114 // CFindOperation::RunL
       
   115 // -----------------------------------------------------------------------------
       
   116 //
       
   117 void CFindOperation::RunL()
       
   118     {
       
   119     TInt lastIndex = iNextSimIndex + KContactsToCheckInOneCycle;
       
   120     TInt cntArraySize = iStore.Contacts().Size();
       
   121     if ( lastIndex > cntArraySize )
       
   122         {
       
   123         lastIndex = cntArraySize;
       
   124         }
       
   125         
       
   126     while ( iNextSimIndex <= lastIndex )
       
   127         {
       
   128         MVPbkSimContact* cnt = iStore.Contacts().At( iNextSimIndex );
       
   129         if ( cnt && IsMatch( *cnt ) )
       
   130             {
       
   131             iResults.AppendIntL( cnt->SimIndex() );
       
   132             }
       
   133         ++iNextSimIndex;
       
   134         }
       
   135     
       
   136     if ( iNextSimIndex > lastIndex )
       
   137         {
       
   138         iObserver.FindCompleted( iStore, iResults );
       
   139         }
       
   140     else
       
   141         {
       
   142         NextCycle();
       
   143         }
       
   144     }
       
   145 
       
   146 // -----------------------------------------------------------------------------
       
   147 // CFindOperation::DoCancel
       
   148 // -----------------------------------------------------------------------------
       
   149 //
       
   150 void CFindOperation::DoCancel()
       
   151     {
       
   152     // Nothing to cancel here
       
   153     }
       
   154 
       
   155 // -----------------------------------------------------------------------------
       
   156 // CFindOperation::RunError
       
   157 // -----------------------------------------------------------------------------
       
   158 //
       
   159 TInt CFindOperation::RunError( TInt aError )
       
   160     {
       
   161     iObserver.FindError( iStore, aError );
       
   162     return KErrNone;
       
   163     }
       
   164 
       
   165 // -----------------------------------------------------------------------------
       
   166 // CFindOperation::NextCycle
       
   167 // -----------------------------------------------------------------------------
       
   168 //
       
   169 void CFindOperation::NextCycle()
       
   170     {
       
   171     TRequestStatus* status = &iStatus;
       
   172     User::RequestComplete( status, KErrNone );
       
   173     SetActive();
       
   174     }
       
   175 
       
   176 // -----------------------------------------------------------------------------
       
   177 // CFindOperation::IsMatch
       
   178 // -----------------------------------------------------------------------------
       
   179 //
       
   180 TBool CFindOperation::IsMatch( MVPbkSimContact& aContact )
       
   181     {
       
   182     const TInt count = iFieldTypes.Count();
       
   183     for ( TInt i = 0; i < count; ++i )
       
   184         {
       
   185         MVPbkSimContact::TFieldLookup lookup = 
       
   186             aContact.FindField( iFieldTypes[i] );
       
   187         while ( !lookup.EndOfLookup() )
       
   188             {
       
   189             if ( IsMatch( aContact.ConstFieldAt( lookup.Index() ).Data() ) )
       
   190                 {
       
   191                 return ETrue;
       
   192                 }
       
   193             aContact.FindNextField( lookup );
       
   194             }
       
   195         }
       
   196     return EFalse;
       
   197     }
       
   198 
       
   199 // -----------------------------------------------------------------------------
       
   200 // CFindOperation::IsMatch
       
   201 // -----------------------------------------------------------------------------
       
   202 //
       
   203 TBool CFindOperation::IsMatch( const TDesC& aString )
       
   204     {
       
   205     // uses virtual phonebook find policy for finding
       
   206     TBool ret = EFalse;
       
   207     
       
   208     // ignore find errors and return a false match
       
   209     TRAP_IGNORE(
       
   210         ret = iFindPolicy->MatchRefineL(aString, *iStringToFind));
       
   211     return ret;
       
   212     }
       
   213 
       
   214 } // namespace VPbkSimStoreImpl
       
   215 
       
   216 //  End of File