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:  The virtual phonebook find operation

    15 *

    16 */

    17 

    18 

    19 

    20 #include "CFindOperation.h"

    21 #include "CContactLink.h"

    22 #include "CContactStore.h"

    23 #include "CFieldFactory.h"

    24 #include <cntfield.h>

    25 

    26 #include <MVPbkFieldType.h>

    27 #include <MVPbkContactFindObserver.h>

    28 

    29 namespace VPbkCntModel {

    30 

    31 CFindOperation::CFindOperation(

    32         CContactStore& aContactStore, 

    33         MVPbkContactFindObserver& aObserver ) :

    34     CActive( CActive::EPriorityIdle ),

    35     iContactStore( aContactStore),

    36     iObserver( aObserver )

    37     {

    38     CActiveScheduler::Add( this );

    39     }

    40 

    41 inline void CFindOperation::ConstructL(

    42         const TDesC& aSearchString, 

    43         const MVPbkFieldTypeList& aFieldTypes )

    44     {

    45     iSearchString = aSearchString.AllocL();

    46     iFieldDef = new ( ELeave ) CContactItemFieldDef;

    47     

    48     const TInt fieldCount = aFieldTypes.FieldTypeCount();

    49     iFieldDef->SetReserveL( fieldCount );

    50     for ( TInt i = 0; i < fieldCount; ++i )

    51         {

    52         const CContactItemField* field = 

    53             iContactStore.FieldFactory().FindField( aFieldTypes.FieldTypeAt(i) );

    54         if ( field )

    55             {

    56             iFieldDef->AppendL( field->ContentType().FieldType(0) );

    57             }

    58         }

    59     iResults = CVPbkContactLinkArray::NewL();

    60     }

    61 

    62 CFindOperation* CFindOperation::NewL(

    63         CContactStore& aContactStore, 

    64         const TDesC& aSearchString, 

    65         const MVPbkFieldTypeList& aFieldTypes,

    66         MVPbkContactFindObserver& aObserver )

    67     {

    68 	CFindOperation* self = new ( ELeave ) CFindOperation(

    69         aContactStore, aObserver );

    70     CleanupStack::PushL( self );

    71     self->ConstructL( aSearchString, aFieldTypes );

    72     CleanupStack::Pop( self );

    73 	return self;

    74 	}

    75 

    76 CFindOperation::~CFindOperation()

    77     {

    78     Cancel();

    79     

    80     delete iSearchString;

    81     delete iResults;

    82     delete iAsyncFinder;

    83     delete iContactIds;

    84     delete iFieldDef;

    85     }

    86 

    87 void CFindOperation::IssueRequest()

    88     {

    89     TRequestStatus* status = &iStatus;

    90     User::RequestComplete( status, KErrNone );

    91     SetActive();

    92     }

    93 

    94 void CFindOperation::DoCancel()

    95     {

    96     iState = ECancelled;

    97     if ( !IsActive() )

    98         {

    99         IssueRequest();

   100         }

   101     }

   102 

   103 void CFindOperation::RunL()

   104     {

   105     switch ( iState )

   106         {

   107         case EBuildLinks:

   108             {

   109             if ( iContactIds->Count() > 0 )

   110                 {

   111                 CContactLink* link = CContactLink::NewLC( iContactStore, 

   112                                                     (*iContactIds)[0] );

   113                 iContactIds->Remove( 0 );

   114                 iResults->AppendL( link );

   115                 CleanupStack::Pop( link );

   116                 IssueRequest();

   117                 }

   118             else

   119                 {

   120                 delete iContactIds;

   121                 iContactIds = NULL;

   122                 iState = EComplete;

   123                 IssueRequest();

   124                 }

   125             break;

   126             }

   127         case EComplete:

   128             {

   129             // gives ownership to observer

   130             CVPbkContactLinkArray* results = iResults;

   131             iResults = NULL;

   132             iObserver.FindCompleteL( results );

   133             break;

   134             }

   135         case ECancelled:

   136             {

   137             iObserver.FindFailed( KErrCancel );

   138             break;

   139             }

   140         }

   141 

   142     }

   143 

   144 TInt CFindOperation::RunError( TInt aError )

   145     {

   146     iObserver.FindFailed( aError );

   147     return KErrNone;

   148     }

   149 

   150 void CFindOperation::StartL()

   151     {

   152     iAsyncFinder = iContactStore.NativeDatabase().FindAsyncL(

   153         *iSearchString, iFieldDef, this );

   154 	}

   155 	

   156 void CFindOperation::IdleFindCallback()

   157     {

   158     if ( iAsyncFinder->IsComplete() )

   159         {

   160         iState = EBuildLinks;

   161         iContactIds = iAsyncFinder->TakeContactIds();

   162         IssueRequest();

   163         }

   164     }

   165 

   166 void CFindOperation::Cancel()

   167     {

   168     CActive::Cancel();

   169 	}

   170 

   171 } // namespace VPbkCntModel