/*

 * 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:  This checks for uninstallation (presently only for sisx uninstallation) or 

 *								removal of memory card. Whenever there is uninstallation the database has 

 * 								to be updated for the parameters changes.

 *								This depends Application installer & the SCPDatabase.

 *               

*/

#include "SCPEventHandler.h"

#include "SCPParamDBController.h"

#include "SCPClient.h"

#include "SCPServerInterface.h"

#include "DmEventNotifierDebug.h"

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

// CSCPEventHandler::CSCPEventHandler

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CSCPEventHandler::CSCPEventHandler()

    {

    }

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

// CSCPEventHandler::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CSCPEventHandler::ConstructL()

    {

    //No values to assign

    }

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

// CSCPEventHandler::NewL

// Two-phased constructor.

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

//

EXPORT_C CSCPEventHandler* CSCPEventHandler::NewL()

    {

    CSCPEventHandler* self = NewLC();

    CleanupStack::Pop();

    return self;

    }

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

// CSCPEventHandler::NewLC

// Two-phased constructor.

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

//

EXPORT_C CSCPEventHandler* CSCPEventHandler::NewLC()

    {

    CSCPEventHandler* self = new( ELeave ) CSCPEventHandler();

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// Destructor

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

CSCPEventHandler::~CSCPEventHandler()

    {

    }

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

// NotifyChangesL

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

EXPORT_C void CSCPEventHandler::NotifyChangesL(THandlerServiceId aEvent, THandlerOperation aOperation) 

    {

    _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> started NotifyChangesL() aOperation=%d"), aOperation);

    if( (EOpnUninstall == aOperation) || (EOpnRemoved == aOperation))

    {

        _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> EUninstallation == aOperation || EOpnRemoved == aOperation"));

        RArray <TUid> uids;

        CleanupClosePushL(uids);

        // Call database api & fill the uids

        CSCPParamDBController* dbObj = CSCPParamDBController::NewLC();

        //calling...ListApplicationsL

	   	_DMEVNT_DEBUG(_L("[CSCPEventHandler]-> ListApplicationsL started"));

        dbObj->ListApplicationsL(uids);

        CleanupStack :: PopAndDestroy(); // dbObj

	    _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> ListApplicationsL ended"));

        _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> uids = %d"), uids.Count());

/*        RArray <TUid> sisUids;

        CleanupClosePushL( sisUids );*/

        //GetInstalledSisUidsL(sisUids);

        Swi::RSisRegistrySession sisses ;

        CleanupClosePushL( sisses );

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

        //RArray <TUid> javaUids;

        //CleanupClosePushL( javaUids );

        //GetInstalledJavaUidsL(javaUids);

        RArray <TUid> resultUids;

        CleanupClosePushL(resultUids);        

        _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> Entering loop for each application, to check with AI"));

        for (int i=0; i < uids.Count(); i++)

        {

            _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> INFO: Checking case for UID %d"), uids[i].iUid);

            switch(uids[i].iUid) {

                case KNSmlDMHostServer1ID:

                case KNSmlDMHostServer2ID:

                case KNSmlDMHostServer3ID:

                case KNSmlDMHostServer4ID:

                    _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> INFO: UID is marked as an exception, cleanup request bypassed..."));

                    break;

                default: {

            Swi::RSisRegistryEntry sisEntry;

            //Opens the base package entry by specifying a UID. 

            TInt lErr = sisEntry.Open(sisses, uids[i]);

            CleanupClosePushL(sisEntry);

            _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> INFO: lErr = %d"), lErr);

            //if(EFalse == isInstalledSis(uids[i], sisUids))

            // If the application does not exist

            if( lErr != KErrNone || EFalse == sisEntry.IsPresentL())

            {

                _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> INFO: UID %d was identified as uninstalled,\

                        performing cleanup on the same"), uids[i].iUid);

                // Does not exist in sis-registry, need to check in java registry

                //if(EFalse == isInstalledJava(uids[i], javaUids))

             		resultUids.Append(uids[i]);

            }

            CleanupStack :: PopAndDestroy(); // sisEntry

                }

                break;

            };

        } // for uids

        //CleanupStack::PopAndDestroy( &sisUids ); // sisUids

        //CleanupStack::PopAndDestroy( &javaUids ); // javaUids

        _DMEVNT_DEBUG(_L("[CSCPEventHandler]->NotifyChangesL(): Loop ended"));        

        _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> resultUids = %d"), resultUids.Count());

        if(resultUids.Count())

        {

        	NotifyCleanupL(resultUids);

        }

        CleanupStack :: PopAndDestroy(3); // resultUids, sisses, uids

    }// if (EUninstallation == aOperation)

    _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> end of NotifyChangesL()"));

}

/*

void CSCPEventHandler::GetInstalledJavaUidsL(RArray<TUid>& aUids)

{

    JavaRegistry* JavaRegistryEntry = NULL;

    JavaRegistryEntry = CJavaRegistry::NewL();

    JavaRegistryEntry->GetRegistryEntryUidsL( aUids );

    delete JavaRegistryEntry;

    JavaRegistryEntry = NULL;

}

*/

/*

// Check for application existance, return true is exists.

inline TBool CSCPEventHandler::isInstalledJava(const TUid& aUid, const  RArray<TUid>& aUids ) const

{

    TBool found( EFalse );

    TInt uidc( aUids.Count() );

    for( TInt j( 0 ); found == EFalse && j < uidc; j++ )

        {

        if( aUids[j] == aUid )

            {

            found = ETrue;

            break;

            }

        }

    return found;

}

*/

inline void CSCPEventHandler::NotifyCleanupL(RArray<TUid>& aUids)

{

    _DMEVNT_DEBUG(_L("[CSCPEventHandler:NotifyCleanupL]-> RSCPClient creation & connecting..."));

    RSCPClient lClient;

    CleanupClosePushL (lClient);

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

    _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> Initializing cleanup..."));

    //TRAPD(lErr, lClient.PerformCleanupL(ESCPApplicationUninstalled, aUids));

    User :: LeaveIfError(lClient.PerformCleanupL(aUids));

    CleanupStack :: PopAndDestroy(); // lClient

    _DMEVNT_DEBUG(_L("[CSCPEventHandler]-> cleanup complete..."));

    _DMEVNT_DEBUG(_L("[CSCPEventHandler:NotifyCleanupL]-> RSCPClient operation Completed..."));

}