/*

* 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:  Open meeting request command implementation

*

*/

// INCLUDE FILES

#include "emailtrace.h"

#include "cesmricalvieweropenmrcmd.h"

#include "cesmricalviewerloadmrdatacmd.h"

#include "cesmricalvieweremailasynccmd.h"

#include "cesmricalvieweremailsynccmd.h"

#include "cesmruilauncher.h"

#include "cmrattachmentinfofetcher.h"

#include "esmricalviewerutils.h"

//<cmail>

#include "esmricalvieweropcodes.hrh"

//</cmail>

#include <calsession.h>

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

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

// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd

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

//

CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd(

        MESMRIcalViewerCallback& aCallback,

        CFSMailClient& aMailClient,

        CCalSession& aCalSession )

:   CESMRIcalViewerAsyncCommand( EESMRViewLaunch, aCalSession ),

    iCallback( aCallback ),

    iMailClient( aMailClient ),

    iCurrentCbCommand( EESMREmailCommand )

    {

    FUNC_LOG;

    iResult.iResultCode = KErrNone;

    iResult.iOpType = OperationType();

    }

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

// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd

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

//

CESMRIcalViewerOpenMRCmd::~CESMRIcalViewerOpenMRCmd()

    {

    FUNC_LOG;

    CancelCommand();

    delete iLoadMRDataCmd;

    delete iUILauncher;

    delete iAttachmentInfoFetcher;

    if( iEmailCommand )

        {

        delete iEmailCommand;

        iEmailCommand = NULL;

        }

    }

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

// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd

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

//

CESMRIcalViewerOpenMRCmd* CESMRIcalViewerOpenMRCmd::NewL(

        MESMRIcalViewerCallback& aCallback,

        CFSMailClient& aMailClient,

        CCalSession& aCalSession )

    {

    FUNC_LOG;

    CESMRIcalViewerOpenMRCmd* self =

            new (ELeave) CESMRIcalViewerOpenMRCmd(

                    aCallback,

                    aMailClient,

                    aCalSession );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd

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

//

void CESMRIcalViewerOpenMRCmd::ConstructL()

    {

    FUNC_LOG;

    BaseConstructL();

    }

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

// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd

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

//

void CESMRIcalViewerOpenMRCmd::ExecuteAsyncCommandL()

    {

    FUNC_LOG;

    iResult.iOpType = OperationType();

    iResult.iMessage = Message();

    iResult.iResultCode = KErrNone;

    iLoadMRDataCmd =

            CESMRIcalViewerLoadMRDataCmd::NewL(

                    CalSession(),

                    iMailClient,

                    iInputParameters );

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

    }

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

// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd

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

//

void CESMRIcalViewerOpenMRCmd::CancelAsyncCommand()

    {

    FUNC_LOG;

    if ( iLoadMRDataCmd )

        {

        iLoadMRDataCmd->CancelCommand();

        }

    }

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

// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd

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

//

void CESMRIcalViewerOpenMRCmd::OperationCompleted(

         MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )

    {

    FUNC_LOG;

    TRAPD( err, HandleOperationCompeletedL( aResult ) );

    HandleError( err );

    }

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

// CESMRIcalViewerOpenMRCmd::CESMRIcalViewerOpenMRCmd

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

//

void CESMRIcalViewerOpenMRCmd::OperationError(

        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )

    {

    FUNC_LOG;

    iResult = aResult;

    iResult.iOpType = OperationType();

    if ( EESMRLaunchUI == aResult.iOpType )

        {

        delete iUILauncher;

        iUILauncher = NULL;

        }

    if ( !iUILauncher &&

          EESMREmailCommand == iCurrentCbCommand &&

          KErrCancel == aResult.iResultCode )

        {

        // We would like to launch mr again

        iInputParameters.iMailClient = &iMailClient;

        iInputParameters.iMailMessage = Message();

        iInputParameters.iCommand = EESMRCmdUndefined;

        iInputParameters.iSpare = 0;

        TRAPD( err, LaunchUIL() );

        iResult.iResultCode = err;

        if ( err != KErrNone )

            {

            Observer()->OperationError( iResult );

            }

        }

    else

        {

        Observer()->OperationError( iResult );

        }

    }

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

// CESMRIcalViewerOpenMRCmd::ProcessCommandL

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

//

void CESMRIcalViewerOpenMRCmd::ProcessCommandL(TInt aCommandId)

    {

    FUNC_LOG;

    ProcessCommandWithResultL( aCommandId );

    }

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

// CESMRIcalViewerOpenMRCmd::ProcessCommandWithResultL

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

//

TInt CESMRIcalViewerOpenMRCmd::ProcessCommandWithResultL( TInt aCommandId )

    {

    FUNC_LOG;

    TInt retValue( KErrNotSupported );

    if ( IsCommandAvailable( aCommandId ) )

        {

        iMRViewerCommand = aCommandId;

        iCurrentCbCommand =

                ESMRIcalViewerUtils::EmailOperation(aCommandId);

        TBool asyncCommand(

                ESMRIcalViewerUtils::IsAsyncEmailCommand( iCurrentCbCommand ) );

        if( iEmailCommand )

            {

            delete iEmailCommand;

            iEmailCommand = NULL;

            }

        if ( asyncCommand )

            {

            iEmailCommand = CESMRIcalViewerEmailAsyncCmd::NewL(

                    iCurrentCbCommand,

                    CalSession(),

                    iCallback );

            }

        else

            {

            iEmailCommand = CESMRIcalViewerEmailSyncCmd::NewL(

                                    iCurrentCbCommand,

                                    CalSession(),

                                    iCallback );

            }

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

        if ( !asyncCommand )

            {

            // Email specific sync command has been executed.

            iCurrentCbCommand = EESMREmailCommand;

            }

        retValue = KErrNone;

        }

    return retValue;

    }

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

// CESMRIcalViewerOpenMRCmd::IsCommandAvailable

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

//

TBool CESMRIcalViewerOpenMRCmd::IsCommandAvailable( TInt aCommandId )

    {

    FUNC_LOG;

    TESMRIcalViewerOperationType command(

             ESMRIcalViewerUtils::EmailOperation(aCommandId) );

    TBool canProcessCommand( iCallback.CanProcessCommand( command  ) );

    return canProcessCommand;

    }

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

// CESMRIcalViewerOpenMRCmd::HandleOperationCompeletedL

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

//

void CESMRIcalViewerOpenMRCmd::HandleOperationCompeletedL(

        MESMRIcalViewerObserver::TIcalViewerOperationResult aResult )

    {

    FUNC_LOG;

    if ( EESMRLaunchUI == aResult.iOpType )

            {

            delete iUILauncher;

            iUILauncher = NULL;

            }

    else if ( aResult.iOpType == EESMRLoadMRData )

        {

        // MR data is loaded

        FillAttachmentInfoL();

        }

    else if( aResult.iOpType == EESMRFetchAttachmentInfo )

        {

        // Attachment information is loaded

        iInputParameters.iMailClient = &iMailClient;

        iInputParameters.iMailMessage = Message();

        iInputParameters.iCommand = EESMRCmdUndefined;

        iInputParameters.iSpare = 0;

        LaunchUIL();

        }

    else if ( aResult.iOpType == iCurrentCbCommand )

        {

        TBool asyncCommand( ESMRIcalViewerUtils::IsAsyncEmailCommand(iCurrentCbCommand) );

        switch ( aResult.iOpType )

            {

            case EESMRCmdOpenAttachment://fallthrough

            case EESMRCmdOpenAttachmentView://fallthrough

            case EESMRCmdDownloadAttachment://fallthrough

            case EESMRCmdDownloadAllAttachments://fallthrough

            case EESMRCmdSaveAttachment://fallthrough

            case EESMRCmdSaveAllAttachments://fallthrough

                {

                if ( ESMRIcalViewerUtils::ContainsAttachments(iInputParameters) &&

                     iMRViewerCommand != iCurrentCbCommand )

                    {

                    iInputParameters.iCommand =

                            ESMRIcalViewerUtils::MRResponseCommandWithoutAttachmentCheck(

                                    iMRViewerCommand);

                    }

                iCurrentCbCommand = EESMREmailCommand;

                LaunchUIL();

                }

                break;

            case EESMRCmdMailForwardAsMessage://fallthrough

            case EESMRCmdMailCopyMessage://fallthrough

            case EESMRCmdMailComposeMessage://fallthrough

            case EESMRCmdMailMessageDetails://fallthrough

            case EESMRCmdDownloadManager://fallthrough

            case EESMRCmdMailReply://fallthrough

            case EESMRCmdMailReplyAll://fallthrough

                {

                // Ui needs to be relaunched

                iCurrentCbCommand = EESMREmailCommand;

                LaunchUIL();

                }

                break;

            case EESMRCmdMailMoveMessage:

                {

                iCurrentCbCommand = EESMREmailCommand;

                if ( KErrCancel == aResult.iResultCode )

                    {

                    LaunchUIL();

                    }

                }

                break;

            case EESMRCmdMailPreviousMessage:

            case EESMRCmdMailNextMessage:

            case EESMRCmdMailMoveMessageToDrafts:

            case EESMRCmdMailDelete:

                {

                //ui won't be relaunched

                iCurrentCbCommand = EESMREmailCommand;

                }

                break;

            default:

                break;

            }

        }

    if ( !iUILauncher &&

         EESMREmailCommand == iCurrentCbCommand &&

         aResult.iOpType != EESMRLoadMRData)

        {

        iResult.iAttendeeStatus =

                ESMRIcalViewerUtils::UserResponsedToMRL(

                        *iInputParameters.iCalEntry );

        Observer()->OperationCompleted( iResult );

        }

    }

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

// CESMRIcalViewerOpenMRCmd::HandleError

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

//

void CESMRIcalViewerOpenMRCmd::HandleError( TInt aError )

    {

    FUNC_LOG;

    if ( KErrNone != aError )

        {

        iResult.iResultCode = aError;

        Observer()->OperationError( iResult );

        }

    }

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

// CESMRIcalViewerOpenMRCmd::LaunchUIL

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

//

void CESMRIcalViewerOpenMRCmd::LaunchUIL()

    {

    FUNC_LOG;

    if ( !iUILauncher )

        {

        iUILauncher = CESMRUiLauncher::NewL(

                            CalSession(),

                            iInputParameters,

                            *this );

        }

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

    }

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

// CESMRIcalViewerOpenMRCmd::FillAttachmentInfoL

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

//

void CESMRIcalViewerOpenMRCmd::FillAttachmentInfoL()

    {

    FUNC_LOG;

    if ( !iAttachmentInfoFetcher )

        {

        iAttachmentInfoFetcher =

                CMRAttachmentInfoFetcher::NewL(

                        iMailClient,

                        CalSession(),

                        *(iInputParameters.iCalEntry) );

        }

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

    }

// EOF