/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description: causifscanner.cpp

 *

 */

#include <e32property.h>

#include <f32file.h>

#include <badesca.h>

#include "causifscanner.h"

#include "cainnerentry.h"

#include "cainnerquery.h"

#include "cadef.h"

#include "castorageproxy.h"

#include "caarraycleanup.inl"

using namespace Usif;

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//

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//

CCaUsifScanner* CCaUsifScanner::NewL( TPluginParams* aPluginParams )

    {

    CCaUsifScanner* self = new ( ELeave ) CCaUsifScanner(

            *aPluginParams->storageProxy, *aPluginParams->softwareRegistry );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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//

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CCaUsifScanner::CCaUsifScanner( CCaStorageProxy& aStorageProxy,

    RSoftwareComponentRegistry& aSoftwareRegistry ) :

        iStorageProxy( aStorageProxy ), iSoftwareRegistry(aSoftwareRegistry)

    {

    }

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//

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void CCaUsifScanner::ConstructL()

    {

    iSystemInstallNotifier = CCaInstallNotifier::NewL( *this,

            CCaInstallNotifier::ESisInstallNotification );

    iUsifUninstallNotifier = CCaInstallNotifier::NewL( *this,

            CCaInstallNotifier::EUsifUninstallNotification );

    iJavaInstallNotifier = CCaInstallNotifier::NewL( *this,

                CCaInstallNotifier::EJavaInstallNotification );

    User::LeaveIfError( iFs.Connect() );

    iMmcWatcher = CCaMmcWatcher::NewL( iFs, this );

    UpdateUsifListL();

    }

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//

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CCaUsifScanner::~CCaUsifScanner()

    {

    delete iMmcWatcher;

    iFs.Close();

    delete iJavaInstallNotifier;

    delete iUsifUninstallNotifier;

    delete iSystemInstallNotifier;

    }

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//

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/*void CCaUsifScanner::InstallL( const TDesC& aFileName )

 {

 RSoftwareInstall sif;

 CleanupClosePushL( sif );

 User::LeaveIfError( sif.Connect());

 // Install the component

 TRequestStatus status;

 sif.Install( aFileName, status, EFalse );

 User::WaitForRequest( status );

 User::LeaveIfError(status.Int());

 // Disconnect from the SIF server

 CleanupStack::PopAndDestroy( &sif );

 }*/

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//

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void CCaUsifScanner::HandleInstallNotifyL( TInt /*aUid*/)

    {

    UpdateUsifListL();

    }

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#ifdef COVERAGE_MEASUREMENT

#pragma CTC SKIP

#endif //COVERAGE_MEASUREMENT

void CCaUsifScanner::MmcChangeL()

    {

    UpdateUsifListL();

    }

#ifdef COVERAGE_MEASUREMENT

#pragma CTC ENDSKIP

#endif //COVERAGE_MEASUREMENT

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//

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void CCaUsifScanner::UpdateUsifListL()

    {

    AddPackageL();

    UpdatePackagesL();

    }

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//

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void CCaUsifScanner::CreateCaEntryFromEntryL(

        const CComponentEntry* aEntry, CCaInnerEntry* aCaEntry )

    {

    aCaEntry->SetRole( EItemEntryRole );

    aCaEntry->SetEntryTypeNameL( KCaTypePackage );

    if( !aEntry->SoftwareType().Compare( KSoftwareTypeNative ) )

        {

        aCaEntry->AddAttributeL( KCaAttrAppType, KCaAttrAppTypeValueNative );

        }

    else if( !aEntry->SoftwareType().Compare( KSoftwareTypeJava ) )

        {

        aCaEntry->AddAttributeL( KCaAttrAppType, KCaAttrAppTypeValueJava );

        }

    if( aEntry->Name().Compare( KNullDesC ) )

        {

        aCaEntry->SetTextL( aEntry->Name() );

        }

    if( !aEntry->IsHidden() )

        {

        aCaEntry->SetFlags( EVisible );

        }

    if( aEntry->IsRemovable() )

        {

        aCaEntry->SetFlags( aCaEntry->GetFlags() | ERemovable );

        }

    // entries obtained with usif should have component id.

    //it's needed for uninstalling

    RBuf compIdDesc;

    CleanupClosePushL( compIdDesc );

    compIdDesc.CreateL( KCaMaxAttrValueLen );

    compIdDesc.Num( aEntry->ComponentId() );

    aCaEntry->AddAttributeL( KCaAttrComponentId, compIdDesc );

    CleanupStack::PopAndDestroy( &compIdDesc );

    }

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//

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void CCaUsifScanner::AddPackageL()

    {

    RPointerArray<CCaInnerEntry> entries;

    CleanupResetAndDestroyPushL( entries );

    GetCaPackageEntriesL( entries );

    RPointerArray<CComponentEntry> resultUsifArray;

    CleanupResetAndDestroyPushL( resultUsifArray );

    GetUsifPackageEntriesL( resultUsifArray );

    for( TInt i(0); i < resultUsifArray.Count(); i++ )

        {

        TInt entryIndex = PackageExists( entries, resultUsifArray[i]);

        // entry is not present in CaStorage

        if( entryIndex == KErrNotFound )

            {

            CCaInnerEntry *caEntry = CCaInnerEntry::NewLC();

            CreateCaEntryFromEntryL( resultUsifArray[i], caEntry );

            // in case we rebuild our db mark as missing

            if( !(iSoftwareRegistry.IsComponentPresentL( 

                    resultUsifArray[i]->ComponentId())) )

                {

                caEntry->SetFlags( caEntry->GetFlags() | EMissing );

                }

            iStorageProxy.AddL( caEntry );

            CleanupStack::PopAndDestroy( caEntry );

            } 

        // found in the CaStorage, mark is as missing

        else if( !(iSoftwareRegistry.IsComponentPresentL( 

                resultUsifArray[i]->ComponentId() ))  ) 

            {

            if( !( entries[entryIndex]->GetFlags() & EMissing ) )

                {

                entries[entryIndex]->SetFlags( 

                        ( entries[entryIndex]->GetFlags() | EMissing ) );

                iStorageProxy.AddL( 

                        entries[entryIndex], EFalse, EItemDisappeared );

                }

            }

        // found in the storage remove missing flag as this is Present in scr

        else if (entries[entryIndex]->GetFlags() & EMissing)

            {

            entries[entryIndex]->SetFlags( 

                    entries[entryIndex]->GetFlags() & ~EMissing );

            iStorageProxy.AddL( entries[entryIndex]);            

            }

        }

    CleanupStack::PopAndDestroy( &resultUsifArray );

    CleanupStack::PopAndDestroy( &entries );

    }

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//

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void CCaUsifScanner::UpdatePackagesL()

    {

    RPointerArray<CCaInnerEntry> resultCaArray;

    CleanupResetAndDestroyPushL( resultCaArray );

    GetCaPackageEntriesL( resultCaArray );

    RPointerArray<CComponentEntry> resultUsifArray;

    CleanupResetAndDestroyPushL( resultUsifArray );

    GetUsifPackageEntriesL( resultUsifArray );

    FindDeletedEntriesL( resultCaArray, resultUsifArray );

    RemoveEntriesFromDbL( resultCaArray );

    CleanupStack::PopAndDestroy( &resultUsifArray );

    CleanupStack::PopAndDestroy( &resultCaArray );

    }

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//

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void CCaUsifScanner::GetCaPackageEntriesL(

        RPointerArray<CCaInnerEntry>& aArray )

    {

    CCaInnerQuery* allAppQuery = CCaInnerQuery::NewLC();

    CDesC16ArrayFlat* appType =

            new ( ELeave ) CDesC16ArrayFlat( KGranularityOne );

    CleanupStack::PushL( appType );

    appType->AppendL( KCaTypePackage );

    allAppQuery->SetEntryTypeNames( appType );

    CleanupStack::Pop( appType );

    iStorageProxy.GetEntriesL( allAppQuery, aArray );

    CleanupStack::PopAndDestroy( allAppQuery );

    }

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//

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void CCaUsifScanner::GetUsifPackageEntriesL(

        RPointerArray<CComponentEntry>& aArray )

    {

    CComponentFilter *filter = CComponentFilter::NewL();

    CleanupStack::PushL( filter );

    filter->SetRemovable( ETrue );

    filter->SetHidden( EFalse );

    // Create an SCR view

    RSoftwareComponentRegistryView scrView;

    CleanupClosePushL( scrView );

    scrView.OpenViewL( iSoftwareRegistry, filter );

    // Iterate over the matching components

    //The ownership is transferred to the calling client.

    while( CComponentEntry* entry = scrView.NextComponentL() )

        {

        CleanupStack::PushL( entry );

        aArray.AppendL( entry );

        CleanupStack::Pop( entry );

        }

    CleanupStack::PopAndDestroy( &scrView );

    CleanupStack::PopAndDestroy( filter );

    }

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//

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TInt CCaUsifScanner::PackageExists( RPointerArray<CCaInnerEntry>& aArray,

        const CComponentEntry* aEntry )

    {

    TInt retVal( KErrNotFound );

    for( TInt i( 0 ); i < aArray.Count(); i++ )

        {

        TBuf<KMaxUnits> compIdDes;

        if( aArray[i]->FindAttribute( KCaAttrComponentId, compIdDes ) )

            {

            TLex lex( compIdDes );

            TUint uint( 0 );

            if( lex.Val( uint ) == KErrNone && aEntry->ComponentId() == uint )

                {

                retVal = i;

                }

            }

        }

    return retVal;

    }

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//

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void CCaUsifScanner::FindDeletedEntriesL(

        RPointerArray<CCaInnerEntry>& aCaArray, const RPointerArray<

                CComponentEntry>& aUsifArray )

    {

    for( TInt i( aCaArray.Count() - 1 ); i >= 0; i-- )

        {

        TBuf<KMaxUnits> compIdDes;

        if( aCaArray[i]->FindAttribute( KCaAttrComponentId, compIdDes ) )

            {

            TLex lex( compIdDes );

            TUint uint( 0 );

            User::LeaveIfError( lex.Val( uint ) );

            //for each usif entry check if entry has to be removed

            for( TInt k( 0 ); k < aUsifArray.Count(); k++ )

                {

                if( aUsifArray[k]->ComponentId() == uint)

                    {

                    delete aCaArray[i];

                    aCaArray.Remove( i );

                    break;

                    }

                }

            }

        }

    }

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//

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void CCaUsifScanner::RemoveEntriesFromDbL(

        RPointerArray<CCaInnerEntry>& aCaArray )

    {

    RArray<TInt> entriesId;

    CleanupClosePushL( entriesId );

    for( TInt i( 0 ); i < aCaArray.Count(); i++ )

        {

        entriesId.Append( aCaArray[i]->GetId() );

        }

    iStorageProxy.RemoveL( entriesId );

    CleanupStack::PopAndDestroy( &entriesId );

    }