/*

* Copyright (c) 2006 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:  Memory scan engine registry scanning

*

*/

// SYSTEM INCLUDES

#include <swi/sisregistryentry.h>

#include <swi/sisregistrysession.h>

#include <AknUtils.h>

#include <SWInstApi.h>

#include <swi/sisregistrypackage.h>

#include <CUIDetailsDialog.h>

#include <SWInstDefs.h>

#include <StringLoader.h>

#include <mseng.rsg>

// USER INCLUDES

#include "msengregistryscanner.h"

#include "msengsisxinfo.h"

#include "memscanutils.h"

// ============================ MEMBER FUNCTIONS ===============================

// ---------------------------------------------------------------------------

// CMsengRegistryScanner::CMsengRegistryScanner()

//

// Default C++ constructor

// ---------------------------------------------------------------------------

CMsengRegistryScanner::CMsengRegistryScanner( 

                                            TDriveNumber aDrive, 

                                            MMsengScannerObserver& aObserver, 

                                            CMsengInfoArray& aScanArray, 

                                            RFs& aFsSession)

    : CMsengScannerBase(aObserver, aScanArray, aFsSession),

    iType( ERegistrySisx ),

    iDrive( aDrive )

    {

    }

// ---------------------------------------------------------------------------

// CMsengRegistryScanner::NewL()

//

// Two-phased constructor

// ---------------------------------------------------------------------------

CMsengRegistryScanner* CMsengRegistryScanner::NewL( 

                                                TDriveNumber aDrive, 

                                                MMsengScannerObserver& aObserver, 

                                                CMsengInfoArray& aScanArray,

                                                RFs& aFsSession)

    {

    CMsengRegistryScanner* self = new (ELeave) CMsengRegistryScanner(aDrive,

        aObserver, aScanArray, aFsSession);

    return self;

    }    

// ---------------------------------------------------------------------------

// CMsengRegistryScanner::~CMsengRegistryScanner()

//

// Destructor

// ---------------------------------------------------------------------------

CMsengRegistryScanner::~CMsengRegistryScanner()

    {

    }

// ---------------------------------------------------------------------------

// CMsengRegistryScanner::Scan()

// 

//

// ---------------------------------------------------------------------------

void CMsengRegistryScanner::Scan()

    {

    // Start the scan going

    CompleteRequest();

    }

// ---------------------------------------------------------------------------

// CMsengRegistryScanner::PerformStepL()

// 

//

// ---------------------------------------------------------------------------

CMsengScannerBase::TStepResult CMsengRegistryScanner::PerformStepL()

    {

    TStepResult result = ECompleteRequest;

    // Scan requested registry

    switch( iType )

        {

        case ERegistrySisx:

            {

            ScanSisRegistryL( );

            iType = ERegistryLast;

            break;

            }

        case ERegistryLast:

        default:

            {

            // That's all we had to do

            result = EScanComplete;

            break;

            }

        }

    // Return the response back to the base scanner

    return result;

    }

// ---------------------------------------------------------------------------

// CMsengRegistryScanner::ScanSisRegistryL()

// 

//

// ---------------------------------------------------------------------------

void CMsengRegistryScanner::ScanSisRegistryL()

    {

    Swi::RSisRegistrySession regSession;

    CleanupClosePushL(regSession);

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

    RArray<TUid> uids;

    CleanupClosePushL(uids);

    regSession.InstalledUidsL( uids );    

    RPointerArray<Swi::CSisRegistryPackage> augmentations;

    TInt totalSize(0);

    for ( TInt index(0); index < uids.Count(); index++ )

    	{

        Swi::RSisRegistryEntry entry;

        CleanupClosePushL(entry);

        User::LeaveIfError( entry.Open( regSession, uids[index] ) );

	    //All packages are from installed packages        

	    CMsengSisxInfo* appObj = CMsengSisxInfo::NewL( entry, iDrive );

	    CleanupStack::PushL( appObj ); 

	    TInt baseSize( 0 );

	    baseSize = entry.SizeL();

        TRACES

        (

        RDebug::Print(_L("ScanSisRegistryL, IsPresent, %d"), TInt( entry.IsPresentL()));    

        RDebug::Print(_L("ScanSisRegistryL, IsInRom, %d"), TInt( entry.IsInRomL()));    

        );

	    // Only show if not in rom

       	if ( !entry.IsInRomL() && entry.IsPresentL() && appObj->RequestedLocation() )

       		{    

    	    // Get possible augmentations

    	    entry.AugmentationsL( augmentations );

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

    	    	{

    	        Swi::RSisRegistryEntry augmentation;

    	        CleanupClosePushL( augmentation );

    	        augmentation.OpenL( regSession, *augmentations[i] );

    	        // Only show if not in rom

    	        if ( !augmentation.IsInRomL() && augmentation.IsPresentL() )

    	        	{

    	            // Append the size to the total size

    	            baseSize += augmentation.SizeL();

    	            }

    	        CleanupStack::PopAndDestroy( &augmentation );

    	        }

    	    totalSize += baseSize;     

       		}

	   	augmentations.ResetAndDestroy();    

        CleanupStack::PopAndDestroy( appObj );

        CleanupStack::PopAndDestroy( &entry );

        }

    InfoArray().AddSizeByGroupL(EGroupNativeApps, totalSize);

    CleanupStack::PopAndDestroy(&uids);

    CleanupStack::PopAndDestroy(&regSession);

    }

//  End of File