/*

* 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:  MdE session startup active object*

*/

// INCLUDE FILES

#include "mdesessionstartupao.h"

#include "mdeenginesession.h"

#include "mdesessionimpl.h"

const TInt KRetryDelay = 2; //  2 seconds

const TInt KMillion = 1000000;

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

CMdESessionStartupAO* CMdESessionStartupAO::NewL(

    CMdESessionImpl& aSessionImpl, RMdEEngineSession& aSession )

    {

    CMdESessionStartupAO* self = 

    	CMdESessionStartupAO::NewLC( aSessionImpl, aSession );

    CleanupStack::Pop( self );

    return self;

    }

CMdESessionStartupAO* CMdESessionStartupAO::NewLC(

    CMdESessionImpl& aSessionImpl, RMdEEngineSession& aSession )

    {

    CMdESessionStartupAO* self =

        new ( ELeave ) CMdESessionStartupAO( aSessionImpl, aSession );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

CMdESessionStartupAO::CMdESessionStartupAO(

    CMdESessionImpl& aSessionImpl, RMdEEngineSession& aSession )

    : CActive( CActive::EPriorityStandard )

    , iSessionImpl( aSessionImpl )

    , iSession( aSession )

    {

    CActiveScheduler::Add( this );

    iState = EStartupOpenServer;

    }

void CMdESessionStartupAO::ConstructL()

    {

    iTimer.CreateLocal();

	SetActive();

	TRequestStatus* status = &iStatus;

	User::RequestComplete( status, KErrNone );

    }

CMdESessionStartupAO::~CMdESessionStartupAO()

    {

    Cancel(); // Causes call to DoCancel()

    iTimer.Close();

    }

void CMdESessionStartupAO::DoCancel()

    {

    iTimer.Cancel();

    iSession.OpenCancel();

    }

void CMdESessionStartupAO::RunL()

    {

    switch ( iState )

        {

        case EStartupOpenServer:

        	{

        	iSession.OpenL();

			iState = EStartupConnect;

        	SetActive();

            TRequestStatus* status = &iStatus;

            User::RequestComplete( status, KErrNone );

        	break;

        	}

        case EStartupConnect:

        	{

        	iSession.ConnectL();

			iState = EStartupLoadSchema;

			SetActive();

			TRequestStatus* status = &iStatus;

			User::RequestComplete( status, KErrNone );

            break;

            }

        case EStartupLoadSchema:

        	{

        	iSessionImpl.DoLoadSchemaL();

			iState = EStartupNotifyClient;

			SetActive();

			TRequestStatus* status = &iStatus;

			User::RequestComplete( status, KErrNone );

        	break;

        	}

        case EStartupNotifyClient:

        	{

        	iSessionImpl.NotifySessionOpened( KErrNone );

        	break;

        	}

       	default:

       		{

       		User::Leave( KErrUnknown );

       		break;

       		}

        }

    }

TInt CMdESessionStartupAO::RunError(TInt aError)

    {

    // If server was not fully initialized when session was tried to be

    // created, try to establish session again

    if( iState == EStartupOpenServer &&

        (aError == KErrNotReady ||

         aError == KErrAlreadyExists ) )

        {

        TTimeIntervalMicroSeconds32 delay( KRetryDelay * KMillion ); 

        iState = EStartupOpenServer;

        iTimer.After( iStatus, delay );

        SetActive();    

        }        

    else if( iState == EStartupConnect &&

        ( aError == KErrCommsBreak ||

          aError == KErrServerTerminated ||

          aError == KErrNotReady ) )

        {

        TTimeIntervalMicroSeconds32 delay( KRetryDelay * KMillion ); 

        iState = EStartupOpenServer;

        iTimer.After( iStatus, delay );

        SetActive();

        }

    // If schema was not loaded already when it was

    // attempted to be loaded, try to load schema again

    else if( iState == EStartupLoadSchema &&

                aError == KErrNotReady )

        {

        TTimeIntervalMicroSeconds32 delay( KRetryDelay * KMillion ); 

        iState = EStartupLoadSchema;

        iTimer.After( iStatus, delay );

        SetActive();

        }       

    else

        {

        iSessionImpl.NotifyError( aError );

        }

    return KErrNone;

    }