/*

* Copyright (c) 2007-2008 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:

*

* Description:  Base class for online operations

*

*/

#include "emailtrace.h"

#include "ipsplgheaders.h"

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

// CIpsPlgOnlineOperation::~CIpsPlgOnlineOperation()

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

//

CIpsPlgOnlineOperation::~CIpsPlgOnlineOperation()

    {

    FUNC_LOG;

    Cancel();   

    delete iOperation;

    delete iBaseMtm;

    delete iMtmReg;

    }

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

// CIpsPlgOnlineOperation::CIpsPlgOnlineOperation()

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

//

CIpsPlgOnlineOperation::CIpsPlgOnlineOperation(

    CMsvSession& aMsvSession,

    TInt aPriority,

    TRequestStatus& aObserverRequestStatus,

    CIpsPlgTimerOperation& aActivityTimer,

    TFSMailMsgId aFSMailBoxId,

    MFSMailRequestObserver& aFSOperationObserver,

    TInt aFSRequestId,

    TBool aSignallingAllowed )

    :

    CIpsPlgBaseOperation( aMsvSession, aPriority, aObserverRequestStatus,

        aFSRequestId, aFSMailBoxId ), 

        iActivityTimer( &aActivityTimer ),

        iBaseMtm( NULL ),

        iMtmReg( NULL ), 

        iOperation( NULL ),

        iError( KErrNone ),

        iSignallingAllowed( aSignallingAllowed ),

        iFSOperationObserver( aFSOperationObserver )

    {

    FUNC_LOG;

    }

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

// CIpsPlgOnlineOperation::BaseConstructL()

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

//

void CIpsPlgOnlineOperation::BaseConstructL(TUid aMtmType)

    {

    FUNC_LOG;

    // reset timer, if operation not completed after timer fires causes

    // disconnection

    if( iActivityTimer )

        {

        iActivityTimer->ResetTimerOperation();

        }

    iMtmReg = CClientMtmRegistry::NewL( iMsvSession );

    iBaseMtm = iMtmReg->NewMtmL( aMtmType );

    iObserverRequestStatus = KRequestPending;

    CActiveScheduler::Add(this);

    }

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

// CIpsPlgOnlineOperation::DoCancel()

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

//

void CIpsPlgOnlineOperation::DoCancel()

    {

    FUNC_LOG;

    if( iOperation )

        {

        iOperation->Cancel();

        }

    CompleteObserver( KErrCancel );

    }

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

// CIpsPlgOnlineOperation::RunL()

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

//

void CIpsPlgOnlineOperation::RunL()

    {

    FUNC_LOG;

    TInt err = KErrNone;

    TRAP( err, DoRunL() );

    // Just end the operation, if something has gone wrong

    if ( err != KErrNone )

        {

        CompleteObserver( err );

        }

    else if ( iError != KErrNone )

        {

        CompleteObserver( iError );

        }

    }

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

// CIpsPlgOnlineOperation::RunError()

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

//

TInt CIpsPlgOnlineOperation::RunError( TInt aError )

    {

    FUNC_LOG;

    CompleteObserver( aError );

    return KErrNone; // RunError must return KErrNone to active sheduler.

    }

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

// CIpsPlgOnlineOperation::CompleteObserver()

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

//

void CIpsPlgOnlineOperation::CompleteObserver( TInt aStatus )

    {

    FUNC_LOG;

    TRequestStatus* status = &iObserverRequestStatus;

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

        {

        SignalFSObserver( aStatus );

        // removed checks to prevent unwanted disconnections

        //if we're connected, reset activitytimer. if not, there is no reason to.

        if( iActivityTimer )

            {

            iActivityTimer->ResetTimerOperation();

            }

        User::RequestComplete(status, aStatus);

        }

    }

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

// CIpsPlgOnlineOperation::CompleteThis()

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

//

void CIpsPlgOnlineOperation::CompleteThis()

    {

    FUNC_LOG;

    TRequestStatus* status = &iStatus;

    User::RequestComplete(status, KErrNone);

    }

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

// CIpsPlgOnlineOperation::InvokeClientMtmAsyncFunctionL()

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

//

void CIpsPlgOnlineOperation::InvokeClientMtmAsyncFunctionL(

    TInt aFunctionId,

    TMsvId aEntryId,

    TMsvId aContextId,

    const TDesC8& aParams)

    {

    FUNC_LOG;

    CMsvEntrySelection* sel = new(ELeave) CMsvEntrySelection;

    CleanupStack::PushL( sel );

    sel->AppendL( aEntryId );

    InvokeClientMtmAsyncFunctionL(aFunctionId, *sel, aContextId, aParams);

    CleanupStack::PopAndDestroy( sel ); 

    }

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

// CIpsPlgOnlineOperation::InvokeClientMtmAsyncFunctionL()

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

//

void CIpsPlgOnlineOperation::InvokeClientMtmAsyncFunctionL(

    TInt aFunctionId,

    const CMsvEntrySelection& aSel,

    TMsvId aContextId,

    const TDesC8& aParams)

    {

    FUNC_LOG;

    TMsvEntry tEntry;

    TMsvId service;

    if ( aSel.Count() )

        {

        iMsvSession.GetEntry( aSel.At(0), service, tEntry );

        }

    if( aContextId != tEntry.iServiceId )

        {

        // Client context must be service for FetchL().

        iBaseMtm->SwitchCurrentEntryL( tEntry.iServiceId );

        }

    else

        {                

        iBaseMtm->SwitchCurrentEntryL( aContextId );

        }

    HBufC8* params = aParams.AllocLC();

    TPtr8 ptr(params->Des());

    // Delete previous operation if it exist

    if ( iOperation )

        {

        delete iOperation;

        iOperation = NULL;

        }

    iOperation = iBaseMtm->InvokeAsyncFunctionL(aFunctionId, aSel, ptr, iStatus);

    CleanupStack::PopAndDestroy( params ); 

    }

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

// CIpsPlgOnlineOperation::SignalFSObserver()

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

//

void CIpsPlgOnlineOperation::SignalFSObserver( TInt aStatus )

    {

    FUNC_LOG;

    if( iSignallingAllowed )

        {        

        TFSProgress prog;

        prog.iError = aStatus;

        // Initialize the progress data

        // it would be better to get fs progress from inherited class

        // by calling FSProgressL method??

        if ( prog.iError == KErrCancel )

            {

            prog.iProgressStatus = TFSProgress::EFSStatus_RequestCancelled;

            }

        else

            {

            prog.iProgressStatus = TFSProgress::EFSStatus_RequestComplete;

            }

        // At least in the attachment download, FS UI assumes that

        // the counter fields are greater than 0

        prog.iMaxCount = 1;  

        prog.iCounter = 1;

        //in case of autoconnect, we don't have valid observer

        if( &iFSOperationObserver )

            {            

            TRAP_IGNORE( iFSOperationObserver.RequestResponseL( prog, iFSRequestId ) );

            }

        }

    }

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

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

TInt CIpsPlgOnlineOperation::IpsOpType() const

    {

    FUNC_LOG;

    return EIpsOpTypeOnlineOp;

    }