clfwrapper/ClientSrc/CCLFDbItemProvider.cpp
author William Roberts <williamr@symbian.org>
Mon, 08 Mar 2010 21:43:59 +0000
branchCompilerCompatibility
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permissions -rw-r--r--
Create CompilerCompatibility branch
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/*
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* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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// INCLUDE FILES
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#include    "CCLFDbItemProvider.h"
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#include    "CCLFItemImpl.h"
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#include    "MCLFItemProviderObserver.h"
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#include    "CCLFDbItemContainer.h"
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#include    "CLFPanics.h"
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#include    "MGDebugPrint.h"
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#include    "CCLFQueryAdapter.h"
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#include    "CLFUtils.h"
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#include    <mdeobjectquery.h>
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#include    <mdeconstants.h>
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const TInt KCLFItemArrayGranularity( 25 );
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::CCLFDbItemProvider
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// -----------------------------------------------------------------------------
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//
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CCLFDbItemProvider::CCLFDbItemProvider( CCLFDbItemContainer& aDbItemContainer,
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                                               CCLFQueryAdapter& aQueryAdapter, CMdESession* aMdESession )
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    : CActive( EPriorityStandard ),
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      iProviderState( EItemsReady ),
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      iObserver( NULL ),
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      iItemArray( KCLFItemArrayGranularity ),
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      iDbItemContainer( aDbItemContainer ),
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      iQueryAdapter( aQueryAdapter ),
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      iObjectQuery( NULL ),
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      iObjDefStr( &KNullDesC ),
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      iMdESession( aMdESession )
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    {
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    CActiveScheduler::Add( this );
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    }
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::ConstructL
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// -----------------------------------------------------------------------------
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//
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void CCLFDbItemProvider::ConstructL()
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    {
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    }
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::NewL
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// -----------------------------------------------------------------------------
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//
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CCLFDbItemProvider* CCLFDbItemProvider::NewL( CCLFDbItemContainer& aDbItemContainer,
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                                              CCLFQueryAdapter& aQueryAdapter, CMdESession* aMdESession )
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    {
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    CCLFDbItemProvider* self = new( ELeave ) CCLFDbItemProvider( aDbItemContainer, 
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                                                                                                       aQueryAdapter, 
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                                                                                                       aMdESession );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    CleanupStack::Pop( self );
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::~CCLFDbItemProvider
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// Destructor
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// -----------------------------------------------------------------------------
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//
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CCLFDbItemProvider::~CCLFDbItemProvider()
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    {
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    Cancel();
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    delete iObjectQuery;
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    iItemArray.ResetAndDestroy();
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    }
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::DoCancel
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// -----------------------------------------------------------------------------
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//
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void CCLFDbItemProvider::DoCancel()
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    {
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    MG_DEBUG1( dr1, "[CLF]\t CCLFDbItemProvider::DoCancel" ); 
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    if ( iObjectQuery )
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        {
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        iObjectQuery->Cancel();
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        }
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    iObjDefStr = &KNullDesC;
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    }
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::RunL
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// -----------------------------------------------------------------------------
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//
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void CCLFDbItemProvider::RunL()
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    {
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    MG_DEBUG2( r1, "[CLF]\t CCLFDbItemProvider::RunL %d", iStatus.Int() );
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    TInt error( iStatus.Int() );
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    if ( error == KErrNone )
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   116
        {
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        DoRunL();
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        }
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    if ( EItemsReady == iProviderState )
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        {
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        iObserver->OperationCompleteL( KErrNone );
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        }
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    }
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   124
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::DoRunL
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// -----------------------------------------------------------------------------
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//
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void CCLFDbItemProvider::DoRunL()
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    {
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    switch ( iProviderState )
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        {
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        case EPrepareItemIds:
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            {
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            DoFetchMdSIdDataCachedL();
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            break;
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            }
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        case EPrepareItems:
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            {
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            DoFetchMdSDataL();
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   141
            break;
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   142
            }
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        default:
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            {
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            User::Leave( ECLFIncorrectCommand );
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   146
            }
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   147
        }
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    }
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::RunError
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// -----------------------------------------------------------------------------
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//
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TInt CCLFDbItemProvider::RunError( const TInt aError )
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    {
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   156
    MG_DEBUG2( re1, "[CLF]\t CCLFDbItemProvider::RunError: %d", aError ); 
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   157
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   158
    if ( (EItemsReady == iProviderState || aError) && iObserver )
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   159
    	{
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   160
        TRAP_IGNORE( iObserver->OperationCompleteL( aError ) );
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   161
        }
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   162
    
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   163
    return KErrNone;
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   164
    }
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   165
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// -----------------------------------------------------------------------------
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   167
// CCLFDbItemProvider::PrepareItemsL
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// -----------------------------------------------------------------------------
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//
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   170
void CCLFDbItemProvider::PrepareItemsL( const MDesCArray& aMimeTypeArray,
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                                        const TArray< TInt >& aMediaTypeArray,
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   172
                                        MCLFItemProviderObserver& aObserver )
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   173
    {
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   174
    MG_DEBUG1( PI1, "[CLF]\t CCLFDbItemProvider::PrepareItemsL 1" ); 
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   175
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   176
    Cancel();
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   177
    iObserver = &aObserver;
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   178
    iItemArray.ResetAndDestroy();
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   179
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   180
    TBool image = EFalse;
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   181
    TBool video = EFalse;
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   182
    TBool audio = EFalse;
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   183
    TBool other = EFalse;
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   184
    
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   185
    // find all mediatypes
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parents:
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   186
    const TInt typeCount( aMediaTypeArray.Count() );
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   187
    for ( TInt i = 0; i < typeCount; i++ )
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   188
        {
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   189
        iObjDefStr = &KNullDesC;
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   190
        iObjDefStr = &CLFUtils::MapClfType( aMediaTypeArray[ i ] );
c53acadfccc6 Revision: 201001
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   191
        
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   192
        if (iObjDefStr->Compare(MdeConstants::Image::KImageObject) == 0)
c53acadfccc6 Revision: 201001
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   193
            {
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   194
            image = ETrue;
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   195
            }
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   196
        else if (iObjDefStr->Compare(MdeConstants::Video::KVideoObject) == 0)
c53acadfccc6 Revision: 201001
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parents:
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   197
            {
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   198
            video = ETrue;
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   199
            }
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   200
        else if (iObjDefStr->Compare(MdeConstants::Audio::KAudioObject) == 0)
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   201
            {
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   202
            audio = ETrue;
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   203
            }
c53acadfccc6 Revision: 201001
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parents:
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   204
        else
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parents:
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   205
            {
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   206
            other = ETrue;
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   207
            }
c53acadfccc6 Revision: 201001
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   208
        }
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parents:
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   209
    
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   210
    // images & videos (gallery)
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parents:
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   211
    if (image && video && !audio)
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   212
        {
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   213
        iObjDefStr = &MdeConstants::Object::KBaseObject;
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   214
        }
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parents:
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   215
    // images
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parents:
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   216
    else if(image && !video && !audio && !other)
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parents:
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   217
        {
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   218
        iObjDefStr = &MdeConstants::Image::KImageObject;
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parents:
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   219
        }
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   220
    // videos
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parents:
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   221
    else if (!image && video && !audio && !other)
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parents:
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   222
        {
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   223
        iObjDefStr = &MdeConstants::Video::KVideoObject;
c53acadfccc6 Revision: 201001
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parents:
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   224
        }
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   225
    // audio
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parents:
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   226
    else if (!image && !video && audio && !other)
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parents:
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   227
        {
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   228
        iObjDefStr = &MdeConstants::Audio::KAudioObject;
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parents:
diff changeset
   229
        }
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   230
    // other
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parents:
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   231
    else
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parents:
diff changeset
   232
        {
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        iObjDefStr = &MdeConstants::Object::KBaseObject;
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        }
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    iProviderState = EPrepareItemIds;
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    delete iObjectQuery;
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    iObjectQuery = NULL;
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    iQueryAdapter.QueryMdEObjectsL( aMimeTypeArray, aMediaTypeArray, iObjectQuery, iStatus );
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    SetActive();
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    }
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::PrepareItemsL
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// -----------------------------------------------------------------------------
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//
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void CCLFDbItemProvider::PrepareItemsL( const TArray< TCLFItemId >& aItemIDArray,
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                                        MCLFItemProviderObserver& aObserver )
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    {
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    MG_DEBUG1( PI1, "[CLF]\t CCLFDbItemProvider::PrepareItemsL 2" ); 
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    Cancel();
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    iObserver = &aObserver;
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    iItemArray.ResetAndDestroy();
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    iProviderState = EPrepareItems;
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    const TDesC& objDefStr = CLFUtils::MapClfType( ECLFMediaTypeUnknown );
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    delete iObjectQuery;
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    iObjectQuery = NULL;
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    iQueryAdapter.QueryMdEObjectsL( aItemIDArray, objDefStr, iObjectQuery, iStatus );
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    SetActive();
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    }
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::GetItems
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// -----------------------------------------------------------------------------
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//
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TInt CCLFDbItemProvider::GetItems( RPointerArray< MCLFItem >& aItemArray )
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    {
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    MG_DEBUG1( df1, "[CLF]\t CCLFDbItemProvider::GetItems" ); 
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    const TInt KCLFItemIndex( 0 ); // do not change
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    while ( iItemArray.Count() )
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        {
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        const TInt error( aItemArray.Append(
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                            iItemArray[ KCLFItemIndex ] ) ); // takes ownership
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        if ( error )
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            {
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            return error;
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            }
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        iItemArray.Remove( KCLFItemIndex );
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        }
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    return KErrNone;
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    }
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::DoFetchMdSIdDataCachedL
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// -----------------------------------------------------------------------------
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//
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void CCLFDbItemProvider::DoFetchMdSIdDataCachedL()
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    {
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    MG_DEBUG1( df1, "[CLF]\t CCLFDbItemProvider::DoFetchMdSIdDataCachedL" ); 
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    RArray< TCLFItemId > itemIdArray;
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    CleanupClosePushL( itemIdArray );
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    DoFetchMdSIdDataL( itemIdArray );
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    // Check if items are in cache
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    TInt idCount( itemIdArray.Count() );
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    for ( TInt i = 0 ; i < idCount ; ++i )
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        {
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        CCLFContainerItem* containerItem = 
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                                iDbItemContainer.ItemById( itemIdArray[ i ] );
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        if ( containerItem )
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            {
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            // found in cache
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            CreateCLFItemL( *containerItem ); // reserve item for this model
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            // remove handled item ID
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            itemIdArray.Remove( i );
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            --i;
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            --idCount;
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            }
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        }
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    iProviderState = EPrepareItems;
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   318
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    delete iObjectQuery;
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    iObjectQuery = NULL;
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    iQueryAdapter.QueryMdEObjectsL( itemIdArray.Array(), *iObjDefStr, iObjectQuery, iStatus );
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    SetActive();
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    CleanupStack::PopAndDestroy( &itemIdArray );
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    }
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// -----------------------------------------------------------------------------
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// CCLFDbItemProvider::DoFetchMdSDataL
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// -----------------------------------------------------------------------------
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//
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void CCLFDbItemProvider::DoFetchMdSDataL()
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    {
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#ifdef _DEBUG
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    MG_DEBUG1( df1, "[CLF]\t CCLFDbItemProvider::DoFetchDataL" ); 
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    _LIT( KCLFWIPPanicText, "DoFetchMdSDataL");
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    __ASSERT_DEBUG( iObjectQuery, User::Panic( KCLFWIPPanicText, KErrNotReady ));
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#endif
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   338
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    const TInt count( iObjectQuery->Count() );
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    for ( TInt index( 0 ); index < count; index++ )
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        {
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        const TInt64 id = (TInt64)iObjectQuery->ResultId( index );
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        CMdEObject* object = iMdESession->GetFullObjectL( id );
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        if( !object )
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            {
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            continue;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
            }
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
        // check if other model is already put this item to container
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
        CCLFContainerItem* containerItem = 
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
                                iDbItemContainer.ItemById( id );
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
        if ( containerItem )
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   354
            {
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   355
            delete object;
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   356
            object = NULL;
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   357
            continue;
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
            }
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
        else
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
            {
c53acadfccc6 Revision: 201001
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parents:
diff changeset
   361
            // create container item
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
            containerItem = CCLFContainerItem::NewLC( object );
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
            // append container item to container
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
            // container takes ownership of container item
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
            iDbItemContainer.AddL( containerItem );
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
            CleanupStack::Pop( containerItem );
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
            }
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
        CreateCLFItemL( *containerItem );
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
        }
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
    iProviderState = EItemsReady;
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
    }
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
// -----------------------------------------------------------------------------
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
// CCLFDbItemProvider::DoFetchMdSIdDataL
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
// -----------------------------------------------------------------------------
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
//
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
void CCLFDbItemProvider::DoFetchMdSIdDataL( RArray< TCLFItemId >& aItemIDArray )
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
    {
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
#ifdef _DEBUG
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
    MG_DEBUG1( df1, "[CLF]\t CCLFDbItemProvider::DoFetchDataL" ); 
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
    _LIT( KCLWIPPanicString, "DoFetchMdSIdDataL" );
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
    __ASSERT_DEBUG( iObjectQuery,
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
                     User::Panic( KCLWIPPanicString, KErrAbort ));
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
#endif
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
    const TInt count( iObjectQuery->Count() );
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
    for ( TInt index( 0 ); index < count; index++ )
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
        {
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
        aItemIDArray.AppendL( (TInt64)iObjectQuery->ResultId( index ));
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
        }
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
    }
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
// -----------------------------------------------------------------------------
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
// CCLFDbItemProvider::CreateCLFItemL
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
// -----------------------------------------------------------------------------
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
//
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
void CCLFDbItemProvider::CreateCLFItemL( CCLFContainerItem& aCItem )
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
    {
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
    MG_DEBUG1( cci1, "[CLF]\t CCLFDbItemProvider::CreateCLFItemL" ); 
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
    // CLF item releases reference in destructor
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
    CCLFItemImpl* item = CCLFItemImpl::NewLC( aCItem, iDbItemContainer );
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
    iItemArray.AppendL( item ); // array takes ownership of the item
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
    CleanupStack::Pop( item );
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
    }
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
c53acadfccc6 Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
//  End of File