/*

* Copyright (c) 2007-2009 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:  Loading MR data command implemenation

*

*/

// INCLUDE FILES

#include "emailtrace.h"

#include "cesmricalviewerloadmrdatacmd.h"

//<cmail>

#include "esmricalvieweropcodes.hrh"

#include <calsession.h>

#include "CFSMailClient.h"

//</cmail>

#include "cesmrmrinfoicalretriever.h"

#include "cesmrimapicalretriever.h"

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

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

// CESMRIcalViewerLoadMRDataCmd::CESMRIcalViewerLoadMRDataCmd

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

//

CESMRIcalViewerLoadMRDataCmd::CESMRIcalViewerLoadMRDataCmd(

        CCalSession& aCalSession,

        CFSMailClient& aMailClient,

        TESMRInputParams& aESMRInputParams )

:   CESMRIcalViewerAsyncCommand( EESMRLoadMRData, aCalSession ),

    iESMRInputParams( aESMRInputParams ),

    iMailClient( aMailClient )

    {

    FUNC_LOG;

    //do nothing

    }

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

// CESMRIcalViewerLoadMRDataCmd::~CESMRIcalViewerLoadMRDataCmd

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

//

CESMRIcalViewerLoadMRDataCmd::~CESMRIcalViewerLoadMRDataCmd()

    {

    FUNC_LOG;

    CancelCommand();

    iMRRetrieverCommands.ResetAndDestroy();

    iMRRetrieverCommands.Close();

    }

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

// CESMRIcalViewerLoadMRDataCmd::NewL

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

//

CESMRIcalViewerLoadMRDataCmd* CESMRIcalViewerLoadMRDataCmd::NewL(

        CCalSession& aCalSession,

        CFSMailClient& aMailClient,

        TESMRInputParams& aESMRInputParams )

    {

    FUNC_LOG;

    CESMRIcalViewerLoadMRDataCmd* self =

            new (ELeave) CESMRIcalViewerLoadMRDataCmd(

                    aCalSession, aMailClient, aESMRInputParams );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CESMRIcalViewerLoadMRDataCmd::ConstructL

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

//

void CESMRIcalViewerLoadMRDataCmd::ConstructL()

    {

    FUNC_LOG;

    BaseConstructL();

    }

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

// CESMRIcalViewerLoadMRDataCmd::OperationCompleted

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

//

void CESMRIcalViewerLoadMRDataCmd::OperationCompleted(

        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )

    {

    FUNC_LOG;

    if ( aResult.iOpType == EESMRLoadMRInfoData ||

         aResult.iOpType == EESMRLoadMRIcalData     )

        {

        aResult.iOpType = OperationType();

        Observer()->OperationCompleted( aResult );

        }

    }

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

// CESMRIcalViewerLoadMRDataCmd::OperationError

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

//

void CESMRIcalViewerLoadMRDataCmd::OperationError(

        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )

    {

    FUNC_LOG;

    if ( aResult.iOpType == EESMRLoadMRInfoData )

        {

        if ( aResult.iResultCode == KErrNotFound )

            {

            if(iMRRetrieverCommands.Count() > iCurrentCommand + 1)

            	{

                TRAPD(error, iMRRetrieverCommands[++iCurrentCommand]->ExecuteCommandL(

                             *Message(),

                             *this )     );

                if ( error != KErrNone )

                    {

                    aResult.iOpType = OperationType();

                    aResult.iResultCode = error;

                    Observer()->OperationError( aResult );

                    }

            	}

            }

        else

            {

            aResult.iOpType = OperationType();

            Observer()->OperationError( aResult );

            }

        }

    else

        {

        aResult.iOpType = OperationType();

        Observer()->OperationError( aResult );

        }

    }

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

// CESMRIcalViewerLoadMRDataCmd::ExecuteAsyncCommandL

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

//

void CESMRIcalViewerLoadMRDataCmd::ExecuteAsyncCommandL()

    {

    FUNC_LOG;

    CESMRInfoIcalRetrieverCmd* cmd = CESMRInfoIcalRetrieverCmd::NewL(

                CalSession(),

                iESMRInputParams );

    CleanupStack::PushL( cmd );

    User::LeaveIfError(

            iMRRetrieverCommands.Append( cmd ) );

    CleanupStack::Pop( cmd ); cmd = NULL;

    CESMRImapIcalRetrieverCmd* cmd2 =

        CESMRImapIcalRetrieverCmd::NewL(

            CalSession(),

            iMailClient,

            iESMRInputParams );

    CleanupStack::PushL( cmd2 );

    User::LeaveIfError(

            iMRRetrieverCommands.Append( cmd2 ) );

    CleanupStack::Pop( cmd2 ); 

    cmd2 = NULL;

    iCurrentCommand = 0;

    if(iMRRetrieverCommands.Count() > iCurrentCommand)

    	{

        iMRRetrieverCommands[iCurrentCommand]->ExecuteCommandL(

                *Message(),

                *this );

    	}

    else

    	{

    	User::Leave(KErrOverflow);

    	}

    }

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

// CESMRIcalViewerLoadMRDataCmd::CancelAsyncCommand

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

//

void CESMRIcalViewerLoadMRDataCmd::CancelAsyncCommand()

    {

    FUNC_LOG;

    TInt commandCount( iMRRetrieverCommands.Count() );

    for ( TInt i(0); i < commandCount; ++i )

        {

        iMRRetrieverCommands[iCurrentCommand]->CancelCommand();

        }

    }

// EOF