/*

* Copyright (c) 2006-2008 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:

*

//<qmail>

* Description: This file implements class CIpsPlgDeleteOperation.

//</qmail>

*

*/

// INCLUDE FILES

#include "emailtrace.h"

#include "ipsplgheaders.h"

//<qmail> comment removed

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

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

// CIpsPlgDeleteOperation::CIpsPlgDeleteOperation

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

//

//<qmail>

CIpsPlgDeleteOperation::CIpsPlgDeleteOperation(

    CMsvSession& aMsvSession,

    TRequestStatus& aObserverRequestStatus )

    :

    CMsvOperation( 

        aMsvSession, 

        CActive::EPriorityStandard, 

        aObserverRequestStatus),

    iState( ESetFlags ) // <qmail>

    //</qmail> iBlank removed    

    {

    FUNC_LOG;

    CActiveScheduler::Add(this);

    }

//</qmail>

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

// CIpsPlgDeleteOperation::ConstructL

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

//

// <qmail>

void CIpsPlgDeleteOperation::ConstructL(

    CMsvEntrySelection* aEntriesToDelete ) //<qmail> param name changed

    {

    FUNC_LOG;

    //<qmail>

    iEntrySelection = new (ELeave) CMsvEntrySelection();

    for ( TInt i=0; i<aEntriesToDelete->Count(); i++ )

        {

        iEntrySelection->AppendL( aEntriesToDelete->At(i) );

        }

    if ( !iEntrySelection->Count() )

        {

        User::Leave( KErrNotSupported );

        }

    //</qmail>

    //<qmail>

    // Messages will be deleted from one specific folder at a time

    TMsvId serviceId;

    TMsvEntry entry;

    User::LeaveIfError(

        iMsvSession.GetEntry(

            (*iEntrySelection)[0], serviceId, entry ) );

    iEntry = CMsvEntry::NewL(

        iMsvSession, entry.Parent(), TMsvSelectionOrdering() );

    // For CMsvOperation

    iMtm = iEntry->Entry().iMtm;

    //</qmail>

    iStatus = KRequestPending;

    // It is known that there is at least one entry -> no return value check

    SetNextLocallyDeletedFlagL();

    SetActive();

    }

// </qmail>

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

// CIpsPlgDeleteOperation::NewL

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

//

CIpsPlgDeleteOperation* CIpsPlgDeleteOperation::NewL(

    CMsvSession& aMsvSession,

    TRequestStatus& aObserverRequestStatus,

    CMsvEntrySelection* aEntriesToDelete ) //<qmail> param name changed

    {

    FUNC_LOG;

    CIpsPlgDeleteOperation* self=new (ELeave) CIpsPlgDeleteOperation(

        aMsvSession, aObserverRequestStatus );

    CleanupStack::PushL(self);

    //<qmail>

    self->ConstructL( aEntriesToDelete );

    //</qmail>

    CleanupStack::Pop( self ); 

    return self;

    }

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

// CIpsPlgDeleteOperation::~CIpsPlgDeleteOperation

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

//

CIpsPlgDeleteOperation::~CIpsPlgDeleteOperation()

    {

    FUNC_LOG;

    Cancel();

    delete iOperation;

    delete iEntry;

    delete iEntrySelection;

	// <qmail>    

    delete iSetFlagEntry;

	// </qmail>    

    }

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

// CIpsPlgDeleteOperation::DoCancel

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

//

void CIpsPlgDeleteOperation::DoCancel()

    {

    FUNC_LOG;

    if (iOperation)

        {

        iOperation->Cancel();

        }

    TRequestStatus* status = &iObserverRequestStatus;

    if ( status && status->Int() == KRequestPending )

        {

        User::RequestComplete(status, iStatus.Int());

        }

    }

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

// CIpsPlgDeleteOperation::RunL

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

//

void CIpsPlgDeleteOperation::RunL()

    {

    FUNC_LOG;

    // Make first a check, that nothing has failed

    if ( iStatus.Int() != KErrNone )

        {

        // something failed, just complete

        TRequestStatus* status = &iObserverRequestStatus;

        User::RequestComplete(status, iStatus.Int());

        return;

        }

	// <qmail>    

    if ( iState == ESetFlags )

    //</qmail>    

        {

        // cleanup is handled by SetNextLocallyDeletedFlagL

        TBool ret = EFalse;

        TRAPD( err, ret = SetNextLocallyDeletedFlagL() );

        if ( err != KErrNone )

            {

            TRequestStatus* status = &iObserverRequestStatus;

            User::RequestComplete(status, iStatus.Int());

            }

        else if ( ret )

            {

            SetActive();

            }

        else

            { // setting the flags is ready, start local deletion

            StartNextDeleteLocally();

            }

        }

    //<qmail>

    else if ( iState == ELocally )

    //</qmail>

        {

        // local delete completed, start deleting from server

        StartDeleteFromServer();

        }

    else

        {

        // nothing left to process, so complete the observer

        TRequestStatus* status = &iObserverRequestStatus;

        User::RequestComplete(status, iStatus.Int());

        }

    // </qmail>    

	}

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

// CIpsPlgDeleteOperation::ProgressL

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

//

//<qmail>

const TDesC8& CIpsPlgDeleteOperation::ProgressL()

    {

    FUNC_LOG;

    // Make sure that operation is active

    if ( IsActive() )

        {

        // Get progress

        if ( iOperation )

            {

            return iOperation->ProgressL();

            }

        }

    //<qmail>

    return KNullDesC8;

    //</qmail>

    }

//</qmail>

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

// CIpsPlgDeleteOperation::StartNextDeleteLocally

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

//

void CIpsPlgDeleteOperation::StartNextDeleteLocally()

    {

    //<qmail>

    FUNC_LOG;

    iState = ELocally;

    //</qmail>

    iStatus = KRequestPending;

    TRAPD( err, MakeNextDeleteLocallyL() );

    SetActive();

    // if error then complete this pass with the error code

    if ( err )

        {

        TRequestStatus* status = &iStatus;

        User::RequestComplete(status, err);

        }

    }

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

// CIpsPlgDeleteOperation::MakeNextDeleteLocallyL

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

//

void CIpsPlgDeleteOperation::MakeNextDeleteLocallyL()

    {

    FUNC_LOG;

    delete iOperation;

    iOperation = NULL;

    iOperation = CIpsPlgDeleteLocal::NewL(

        iEntrySelection, iMsvSession, iStatus );

    }

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

// CIpsPlgDeleteOperation::StartDeleteFromServer

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

//

void CIpsPlgDeleteOperation::StartDeleteFromServer()

    {

    FUNC_LOG;

    //<qmail>

    iState = EFromServer;

    //</qmail>

    iStatus = KRequestPending;

    TRAPD( err, MakeDeleteFromServerL() );

    SetActive();

    // if error then complete this pass with the error code

    if ( err )

        {

        TRequestStatus* status = &iStatus;

        User::RequestComplete( status, err );

        }

    }

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

// CIpsPlgDeleteOperation::MakeDeleteFromServerL

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

//

void CIpsPlgDeleteOperation::MakeDeleteFromServerL()

    {

    FUNC_LOG;

    delete iOperation;

    iOperation = NULL;

    iOperation = iEntry->DeleteL( *iEntrySelection, iStatus );

    }

// <qmail>    

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

// CIpsPlgDeleteOperation::SetNextLocallyDeletedFlagL

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

//

TBool CIpsPlgDeleteOperation::SetNextLocallyDeletedFlagL()

    {

    FUNC_LOG;

    delete iOperation;

    iOperation = NULL;

    delete iSetFlagEntry;

    iSetFlagEntry = NULL;

    TBool ret = EFalse;

    //<qmail>

    if ( iSetFlagIndex < iEntrySelection->Count() )

    //</qmail>    

        {

        TMsvId entryId = ( *iEntrySelection )[ iSetFlagIndex++ ];

        iSetFlagEntry = CMsvEntry::NewL( 

            iMsvSession, entryId, TMsvSelectionOrdering() );

        TMsvEntry tEntry = iSetFlagEntry->Entry();

        // Sets bit 32 of iMtmData1, used when msg deleted in Offline

        // and status hasn't updated to server (client entry still exists)

        tEntry.SetLocallyDeleted( ETrue );

        iOperation = iSetFlagEntry->ChangeL( tEntry, iStatus );

        ret = ETrue;

        }

    return ret;

    }

// </qmail>    

//  End of File