/*

* 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:  Resolving meeting request method asynchronoysly

*

*/

// INCLUDE FILES

#include "emailtrace.h"

#include "cesmricalviewerremovemrfromcalcmd.h"

#include "cesmruilauncher.h"

//<cmail>

#include "esmricalvieweropcodes.hrh"

#include <calsession.h>

#include "cfsmailclient.h"

//</cmail>

#include <calentry.h>

#include "cesmrmrinfoicalretriever.h"

#include "cesmrimapicalretriever.h"

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

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

// CESMRIcalViewerRemoveMRFromCalCmd::CESMRIcalViewerRemoveMRFromCalCmd

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

//

CESMRIcalViewerRemoveMRFromCalCmd::CESMRIcalViewerRemoveMRFromCalCmd(

        CCalSession& aCalSession,

        CFSMailClient& aMailClient )

:   CESMRIcalViewerAsyncCommand( EESMRRemoveMR, aCalSession ),

    iMailClient( aMailClient ),

    iCurrentCommand( EESMREmailCommand )

    {

    FUNC_LOG;

    //do nothing

    }

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

// CESMRIcalViewerRemoveMRFromCalCmd::~CESMRIcalViewerRemoveMRFromCalCmd

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

//

        CESMRIcalViewerRemoveMRFromCalCmd::~CESMRIcalViewerRemoveMRFromCalCmd()

    {

    FUNC_LOG;

    CancelCommand();

    delete iUILauncher;

    iMRRetrieverCommands.ResetAndDestroy();

    iMRRetrieverCommands.Close();

    }

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

// CESMRIcalViewerResponseToMRCmd::NewL

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

//

CESMRIcalViewerRemoveMRFromCalCmd* CESMRIcalViewerRemoveMRFromCalCmd::NewL(

        CCalSession& aCalSession,

        CFSMailClient& aMailClient )

    {

    FUNC_LOG;

    CESMRIcalViewerRemoveMRFromCalCmd* self =

            new (ELeave) CESMRIcalViewerRemoveMRFromCalCmd(

                    aCalSession,

                    aMailClient );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CESMRIcalViewerRemoveMRFromCalCmd::ConstructL

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

//

void CESMRIcalViewerRemoveMRFromCalCmd::ConstructL()

    {

    FUNC_LOG;

    BaseConstructL();

    }

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

// CESMRIcalViewerRemoveMRFromCalCmd::OperationCompleted

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

//

void CESMRIcalViewerRemoveMRFromCalCmd::OperationCompleted(

        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )

    {

    FUNC_LOG;

    TRAPD( err, HandleOperationCompletedL(aResult) );

    if (KErrNone != err )

        {

        aResult.iOpType = OperationType();

        aResult.iResultCode = err;

        Observer()->OperationError( aResult );

        }

    else if ( !iUILauncher )

        {

        aResult.iOpType = OperationType();

        Observer()->OperationCompleted( aResult );

        }

    }

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

// CESMRIcalViewerRemoveMRFromCalCmd::LaunchUiL

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

//

void CESMRIcalViewerRemoveMRFromCalCmd::LaunchUiL()

    {

    FUNC_LOG;

    if ( !iUILauncher )

        {

        iUILauncher = CESMRUiLauncher::NewL(

                            CalSession(),

                            iESMRInputParams,

                            *this );

        }

    iUILauncher->ExecuteCommandL( *Message(), *this );

    }

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

// CESMRIcalViewerRemoveMRFromCalCmd::OperationError

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

//

void CESMRIcalViewerRemoveMRFromCalCmd::OperationError(

        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )

    {

    FUNC_LOG;

    if ( aResult.iOpType == EESMRLoadMRInfoData )

        {

        if ( aResult.iResultCode == KErrNotFound  && iMRRetrieverCommands.Count() > iCurrentCommand + 1 )

            {

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

                    *Message(),

                    *this ) );

            if ( error != KErrNone )

                {

                aResult.iOpType = OperationType();

                aResult.iResultCode = error;

                aResult.iMessage = Message();

                Observer()->OperationError( aResult );

                }

            }

        else

            {

            aResult.iOpType  = OperationType();

            aResult.iMessage = Message();

            Observer()->OperationError( aResult );

            }

        }

    else

        {

        aResult.iOpType  = OperationType();

        aResult.iMessage = Message();

        Observer()->OperationError( aResult );

        }

    }

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

// CESMRIcalViewerRemoveMRFromCalCmd::ExecuteAsyncCommandL

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

//

void CESMRIcalViewerRemoveMRFromCalCmd::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);

        }

    }

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

// CESMRIcalViewerRemoveMRFromCalCmd::CancelAsyncCommand

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

//

void CESMRIcalViewerRemoveMRFromCalCmd::CancelAsyncCommand()

    {

    FUNC_LOG;

    TInt commandCount( iMRRetrieverCommands.Count() );

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

        {

        iMRRetrieverCommands[iCurrentCommand]->CancelCommand();

        }

    }

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

// CESMRIcalViewerRemoveMRFromCalCmd::ProcessCommandL

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

//

void CESMRIcalViewerRemoveMRFromCalCmd::ProcessCommandL(TInt aCommandId)

    {

    FUNC_LOG;

    ProcessCommandWithResultL( aCommandId );

    }

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

// CESMRIcalViewerRemoveMRFromCalCmd::ProcessCommandWithResultL

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

//

TInt CESMRIcalViewerRemoveMRFromCalCmd::ProcessCommandWithResultL(

        TInt /*aCommandId*/  )

    {

    FUNC_LOG;

    return KErrNone;

    }

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

// CESMRIcalViewerRemoveMRFromCalCmd::IsCommandAvailable

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

//

TBool CESMRIcalViewerRemoveMRFromCalCmd::IsCommandAvailable( TInt /*aCommandId*/ )

    {

    FUNC_LOG;

    return EFalse;

    }

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

// CESMRIcalViewerRemoveMRFromCalCmd::HandleOperationCompletedL

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

//

void CESMRIcalViewerRemoveMRFromCalCmd::HandleOperationCompletedL(

            MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )

    {

    FUNC_LOG;

    if ( EESMRLaunchUI == aResult.iOpType )

        {

        delete iUILauncher;

        iUILauncher = NULL;

        }

    if ( aResult.iOpType == EESMRLoadMRInfoData ||

         aResult.iOpType == EESMRLoadMRIcalData )

        {

        // MRINFO data was parsed succesfully

        CCalEntry::TMethod method( CCalEntry::EMethodNone );

        method = iESMRInputParams.iCalEntry->MethodL();

        if ( CCalEntry::EMethodCancel == method )

            {

            // MR data is loaded

            iESMRInputParams.iMailClient = &iMailClient;

            iESMRInputParams.iMailMessage = Message();

            iESMRInputParams.iCommand = EESMRCmdRemoveFromCalendar;

            iESMRInputParams.iSpare = 0;

            LaunchUiL();

            }

        else

            {

            User::Leave( KErrNotSupported );

            }

        }

    }

// EOF