contentstorage/casrv/causifscanner/src/causifscanner.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 15:30:51 +0300
branchRCL_3
changeset 113 0efa10d348c0
permissions -rw-r--r--
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/*
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 * Copyright (c) 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: causifscanner.cpp
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 *
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 */
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#include <e32property.h>
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#include <f32file.h>
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#include <badesca.h>
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#include "causifscanner.h"
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#include "cainnerentry.h"
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#include "cainnerquery.h"
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#include "cadef.h"
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#include "castorageproxy.h"
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#include "caarraycleanup.inl"
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using namespace Usif;
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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CCaUsifScanner* CCaUsifScanner::NewL( TPluginParams* aPluginParams )
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    {
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    CCaUsifScanner* self = new ( ELeave ) CCaUsifScanner(
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            *aPluginParams->storageProxy, *aPluginParams->softwareRegistry );
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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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//
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// ---------------------------------------------------------------------------
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//
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CCaUsifScanner::CCaUsifScanner( CCaStorageProxy& aStorageProxy,
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    RSoftwareComponentRegistry& aSoftwareRegistry ) :
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        iStorageProxy( aStorageProxy ), iSoftwareRegistry(aSoftwareRegistry)
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    {
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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void CCaUsifScanner::ConstructL()
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    {
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    iSystemInstallNotifier = CCaInstallNotifier::NewL( *this,
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            CCaInstallNotifier::ESisInstallNotification );
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    iUsifUninstallNotifier = CCaInstallNotifier::NewL( *this,
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            CCaInstallNotifier::EUsifUninstallNotification );
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    iJavaInstallNotifier = CCaInstallNotifier::NewL( *this,
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                CCaInstallNotifier::EJavaInstallNotification );
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    User::LeaveIfError( iFs.Connect() );
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    iMmcWatcher = CCaMmcWatcher::NewL( iFs, this );
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    UpdateUsifListL();
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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CCaUsifScanner::~CCaUsifScanner()
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    {
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    delete iMmcWatcher;
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    iFs.Close();
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    delete iJavaInstallNotifier;
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    delete iUsifUninstallNotifier;
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    delete iSystemInstallNotifier;
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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/*void CCaUsifScanner::InstallL( const TDesC& aFileName )
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 {
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 RSoftwareInstall sif;
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 CleanupClosePushL( sif );
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 User::LeaveIfError( sif.Connect());
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 // Install the component
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 TRequestStatus status;
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 sif.Install( aFileName, status, EFalse );
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 User::WaitForRequest( status );
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 User::LeaveIfError(status.Int());
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 // Disconnect from the SIF server
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 CleanupStack::PopAndDestroy( &sif );
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 }*/
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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void CCaUsifScanner::HandleInstallNotifyL( TInt /*aUid*/)
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    {
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    UpdateUsifListL();
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    }
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   117
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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#ifdef COVERAGE_MEASUREMENT
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#pragma CTC SKIP
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#endif //COVERAGE_MEASUREMENT
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void CCaUsifScanner::MmcChangeL()
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    {
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    UpdateUsifListL();
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    }
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#ifdef COVERAGE_MEASUREMENT
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#pragma CTC ENDSKIP
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#endif //COVERAGE_MEASUREMENT
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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void CCaUsifScanner::UpdateUsifListL()
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    {
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    AddPackageL();
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    UpdatePackagesL();
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   140
    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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void CCaUsifScanner::CreateCaEntryFromEntryL(
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        const CComponentEntry* aEntry, CCaInnerEntry* aCaEntry )
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    {
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    aCaEntry->SetRole( EItemEntryRole );
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   150
    aCaEntry->SetEntryTypeNameL( KCaTypePackage );
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   151
    if( !aEntry->SoftwareType().Compare( KSoftwareTypeNative ) )
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        {
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        aCaEntry->AddAttributeL( KCaAttrAppType, KCaAttrAppTypeValueNative );
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   154
        }
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    else if( !aEntry->SoftwareType().Compare( KSoftwareTypeJava ) )
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        {
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   157
        aCaEntry->AddAttributeL( KCaAttrAppType, KCaAttrAppTypeValueJava );
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   158
        }
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   159
    if( aEntry->Name().Compare( KNullDesC ) )
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   160
        {
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   161
        aCaEntry->SetTextL( aEntry->Name() );
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   162
        }
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   163
    if( !aEntry->IsHidden() )
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   164
        {
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        aCaEntry->SetFlags( EVisible );
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   166
        }
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   167
    if( aEntry->IsRemovable() )
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   168
        {
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   169
        aCaEntry->SetFlags( aCaEntry->GetFlags() | ERemovable );
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   170
        }
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   171
    // entries obtained with usif should have component id.
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   172
    //it's needed for uninstalling
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   173
    RBuf compIdDesc;
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   174
    CleanupClosePushL( compIdDesc );
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   175
    compIdDesc.CreateL( KCaMaxAttrValueLen );
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    compIdDesc.Num( aEntry->ComponentId() );
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   177
    aCaEntry->AddAttributeL( KCaAttrComponentId, compIdDesc );
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    CleanupStack::PopAndDestroy( &compIdDesc );
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   179
    }
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   180
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// ---------------------------------------------------------------------------
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   182
//
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   183
// ---------------------------------------------------------------------------
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   184
//
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   185
void CCaUsifScanner::AddPackageL()
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   186
    {
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   187
    RPointerArray<CCaInnerEntry> entries;
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   188
    CleanupResetAndDestroyPushL( entries );
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   189
    GetCaPackageEntriesL( entries );
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   190
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   191
    RPointerArray<CComponentEntry> resultUsifArray;
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   192
    CleanupResetAndDestroyPushL( resultUsifArray );
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   193
    GetUsifPackageEntriesL( resultUsifArray );
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   194
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   195
    for( TInt i(0); i < resultUsifArray.Count(); i++ )
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   196
        {
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   197
        TInt entryIndex = PackageExists( entries, resultUsifArray[i]);
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   198
        // entry is not present in CaStorage
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   199
        if( entryIndex == KErrNotFound )
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   200
            {
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   201
            CCaInnerEntry *caEntry = CCaInnerEntry::NewLC();
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   202
            CreateCaEntryFromEntryL( resultUsifArray[i], caEntry );
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   203
            // in case we rebuild our db mark as missing
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   204
            if( !(iSoftwareRegistry.IsComponentPresentL( 
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   205
                    resultUsifArray[i]->ComponentId())) )
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   206
                {
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   207
                caEntry->SetFlags( caEntry->GetFlags() | EMissing );
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   208
                }
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   209
            iStorageProxy.AddL( caEntry );
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   210
            CleanupStack::PopAndDestroy( caEntry );
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   211
            } 
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   212
        // found in the CaStorage, mark is as missing
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   213
        else if( !(iSoftwareRegistry.IsComponentPresentL( 
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   214
                resultUsifArray[i]->ComponentId() ))  ) 
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   215
            {
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   216
            if( !( entries[entryIndex]->GetFlags() & EMissing ) )
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   217
                {
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   218
                entries[entryIndex]->SetFlags( 
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   219
                        ( entries[entryIndex]->GetFlags() | EMissing ) );
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   220
                iStorageProxy.AddL( 
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   221
                        entries[entryIndex], EFalse, EItemDisappeared );
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   222
                }
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   223
            }
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   224
        // found in the storage remove missing flag as this is Present in scr
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        else if (entries[entryIndex]->GetFlags() & EMissing)
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   226
            {
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   227
            entries[entryIndex]->SetFlags( 
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                    entries[entryIndex]->GetFlags() & ~EMissing );
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            iStorageProxy.AddL( entries[entryIndex]);            
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            }
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        }
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    CleanupStack::PopAndDestroy( &resultUsifArray );
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    CleanupStack::PopAndDestroy( &entries );
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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void CCaUsifScanner::UpdatePackagesL()
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    {
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    RPointerArray<CCaInnerEntry> resultCaArray;
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    CleanupResetAndDestroyPushL( resultCaArray );
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    GetCaPackageEntriesL( resultCaArray );
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    RPointerArray<CComponentEntry> resultUsifArray;
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    CleanupResetAndDestroyPushL( resultUsifArray );
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    GetUsifPackageEntriesL( resultUsifArray );
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    FindDeletedEntriesL( resultCaArray, resultUsifArray );
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    RemoveEntriesFromDbL( resultCaArray );
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    CleanupStack::PopAndDestroy( &resultUsifArray );
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    CleanupStack::PopAndDestroy( &resultCaArray );
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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void CCaUsifScanner::GetCaPackageEntriesL(
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        RPointerArray<CCaInnerEntry>& aArray )
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    {
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    CCaInnerQuery* allAppQuery = CCaInnerQuery::NewLC();
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    CDesC16ArrayFlat* appType =
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            new ( ELeave ) CDesC16ArrayFlat( KGranularityOne );
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    CleanupStack::PushL( appType );
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    appType->AppendL( KCaTypePackage );
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    allAppQuery->SetEntryTypeNames( appType );
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    CleanupStack::Pop( appType );
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    iStorageProxy.GetEntriesL( allAppQuery, aArray );
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    CleanupStack::PopAndDestroy( allAppQuery );
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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void CCaUsifScanner::GetUsifPackageEntriesL(
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        RPointerArray<CComponentEntry>& aArray )
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    {
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    CComponentFilter *filter = CComponentFilter::NewL();
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    CleanupStack::PushL( filter );
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    filter->SetRemovable( ETrue );
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    filter->SetHidden( EFalse );
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    // Create an SCR view
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    RSoftwareComponentRegistryView scrView;
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    CleanupClosePushL( scrView );
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    scrView.OpenViewL( iSoftwareRegistry, filter );
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   292
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    // Iterate over the matching components
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    //The ownership is transferred to the calling client.
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    while( CComponentEntry* entry = scrView.NextComponentL() )
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        {
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        CleanupStack::PushL( entry );
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        aArray.AppendL( entry );
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        CleanupStack::Pop( entry );
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        }
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    CleanupStack::PopAndDestroy( &scrView );
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    CleanupStack::PopAndDestroy( filter );
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    }
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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TInt CCaUsifScanner::PackageExists( RPointerArray<CCaInnerEntry>& aArray,
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        const CComponentEntry* aEntry )
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    {
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    TInt retVal( KErrNotFound );
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    for( TInt i( 0 ); i < aArray.Count(); i++ )
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        {
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        TBuf<KMaxUnits> compIdDes;
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        if( aArray[i]->FindAttribute( KCaAttrComponentId, compIdDes ) )
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            {
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            TLex lex( compIdDes );
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            TUint uint( 0 );
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            if( lex.Val( uint ) == KErrNone && aEntry->ComponentId() == uint )
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   321
                {
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                retVal = i;
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   323
                }
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            }
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        }
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    return retVal;
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    }
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   328
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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//
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   333
void CCaUsifScanner::FindDeletedEntriesL(
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        RPointerArray<CCaInnerEntry>& aCaArray, const RPointerArray<
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                CComponentEntry>& aUsifArray )
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   336
    {
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   337
    for( TInt i( aCaArray.Count() - 1 ); i >= 0; i-- )
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   338
        {
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        TBuf<KMaxUnits> compIdDes;
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        if( aCaArray[i]->FindAttribute( KCaAttrComponentId, compIdDes ) )
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   341
            {
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   342
            TLex lex( compIdDes );
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   343
            TUint uint( 0 );
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   344
            User::LeaveIfError( lex.Val( uint ) );
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   345
            //for each usif entry check if entry has to be removed
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   346
            for( TInt k( 0 ); k < aUsifArray.Count(); k++ )
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   347
                {
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   348
                if( aUsifArray[k]->ComponentId() == uint)
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   349
                    {
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   350
                    delete aCaArray[i];
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   351
                    aCaArray.Remove( i );
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   352
                    break;
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   353
                    }
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   354
                }
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   355
            }
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   356
        }
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   357
    }
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   358
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   359
// ---------------------------------------------------------------------------
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   360
//
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   361
// ---------------------------------------------------------------------------
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   362
//
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   363
void CCaUsifScanner::RemoveEntriesFromDbL(
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   364
        RPointerArray<CCaInnerEntry>& aCaArray )
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parents:
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   365
    {
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   366
    RArray<TInt> entriesId;
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   367
    CleanupClosePushL( entriesId );
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   368
    for( TInt i( 0 ); i < aCaArray.Count(); i++ )
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   369
        {
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   370
        entriesId.Append( aCaArray[i]->GetId() );
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   371
        }
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   372
    iStorageProxy.RemoveL( entriesId );
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   373
    CleanupStack::PopAndDestroy( &entriesId );
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   374
    }