/*

* Copyright (c) 2006 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:   State machine state implementations

*

*/

#include  <akntranseffect.h> // for Transition effect enumerations

#include <alflogger.h>

#include "states.h"

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

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

// CRestingState construction

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

//

CRestingState::CRestingState(MAlfDrawerEngine& aEngine, CStateHandler& aHandler) : 

	CStateBase(aEngine,aHandler)

		{

		}

CStateBase* CRestingState::NewL(MAlfDrawerEngine& aEngine, CStateHandler& aHandler)

	{

	CRestingState* self = new (ELeave) CRestingState(aEngine,aHandler);

	self->iStateInfo.iState = EResting;

	return self;	

	}

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

// CRestingState Signal handling

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

//

CStateBase* CRestingState::SignalL(TSignal aSignal)

	{

	__ALFFXLOGSTRING1("CRestingState::SignalL %d >>", aSignal);

	TInt error = KErrNone;

	switch( aSignal ) 

		{

		case EBeginFullscreen:

            if( !IsBlocked( iEngine.FromUid(), iEngine.ToUid() ) ) 

		        {

    			iEngine.SendBeginFullscreen();

			    return CPhase1State::NewL( iEngine,iHandler );

			    }

		    return NULL;

		case EBeginComponent:

		    error = iEngine.SendBeginControlTransition();

		    if ( error == KErrNone )

		        {

         		return CControlState::NewL( iEngine, iHandler );

		        }

		    return NULL;    

		case EEndFullscreen:

//		    iEngine.SendEndFullscreen(); // TODO: revise?

//		    return CRestingState::NewL( iEngine, iHandler );

		case EAbortFullscreen:

			iEngine.SendAbortFullscreen();

			return CRestingState::NewL( iEngine, iHandler );

		}

	return NULL;

	}

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

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

// CControlState construction

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

//

CControlState::CControlState(MAlfDrawerEngine& aEngine, CStateHandler& aHandler) : 

	CStateBase(aEngine,aHandler)

		{

		}

CStateBase* CControlState::NewL(MAlfDrawerEngine& aEngine, CStateHandler& aHandler)

	{

	CControlState* self = new (ELeave) CControlState(aEngine,aHandler);

	self->iStateInfo.iState = EComponent;

	return self;	

	}

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

// CControlState signal handling

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

//

CStateBase* CControlState::SignalL(TSignal aSignal)

	{

    __ALFFXLOGSTRING1("CControlState::SignalL %d >>", aSignal);

    TInt error = KErrNone;	

	switch( aSignal )

		{

		case EAbort:

		case EAbortComponent:

			iEngine.SendAbortControlTransition();

			return CRestingState::NewL( iEngine, iHandler );

		case EFinishComponent:

		    // do something to finish

		    iEngine.SendFinishControlTransition();

			return CRestingState::NewL( iEngine, iHandler );

		case EBeginFullscreen:

			if( !IsBlocked( iEngine.FromUid(), iEngine.ToUid() ) )

				{

				iEngine.SendBeginFullscreen();

				return CPhase1State::NewL( iEngine,iHandler );

				}

			return NULL;

		case EBeginComponent:

		    // we don't limit control transitions

		    // we don't have an ending signal for the controls now

		    // We may need something to be able to call

		    // SendFinishControlTransition

		    error = iEngine.SendBeginControlTransition();

		    if ( error == KErrNone )

		        {

         		return CControlState::NewL( iEngine, iHandler );

		        }

		    return NULL;    

		}

	return NULL;

	}

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

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

// CPhase1State construction

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

//

CPhase1State::CPhase1State(MAlfDrawerEngine& aEngine, CStateHandler& aHandler) : 

	CStateBase(aEngine,aHandler)

		{

		}

CStateBase* CPhase1State::NewL(MAlfDrawerEngine& aEngine, CStateHandler& aHandler)

	{

	CPhase1State* self = new (ELeave) CPhase1State(aEngine,aHandler);

	self->iStateInfo.iState = EFullscreenPhase1;

	self->iStateInfo.iAction = aEngine.Action();

	return self;	

	}

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

// CPhase1State Signal handling

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

//

CStateBase* CPhase1State::SignalL(TSignal aSignal)

	{

    TInt error = KErrNone;	

	switch(aSignal)

		{

		case EAbort:

		case EAbortFullscreen:

   			iEngine.SendAbortFullscreen();

			return CRestingState::NewL(iEngine,iHandler);

        case EFinishFullscreen:

		    if ( !iEngine.EffectFinishedFullScreen() )

		        {

    			iEngine.SendAbortFullscreen();

		        }

            return CRestingState::NewL(iEngine,iHandler);

		case EEndFullscreen:

			iEngine.SendEndFullscreen();

			return CPhase2State::NewL(iEngine,iHandler);

		case EBeginFullscreen:

			if(!IsBlocked(iEngine.FromUid(),iEngine.ToUid())) 

				{

    		    iEngine.SendBeginFullscreen();

				}

			return NULL;

		case EBeginComponent:

		    error = iEngine.SendBeginControlTransition();

		    if ( error == KErrNone )

		        {

         		return CControlState::NewL( iEngine, iHandler );

		        }

		    return NULL;    

		}

	return NULL;

	}

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

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

// CPhase2State construction

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

//

CPhase2State::CPhase2State(MAlfDrawerEngine& aEngine, CStateHandler& aHandler) : 

	CStateBase(aEngine,aHandler)

		{

		}

CStateBase* CPhase2State::NewL(MAlfDrawerEngine& aEngine, CStateHandler& aHandler)

	{

	CPhase2State* self = new (ELeave) CPhase2State(aEngine,aHandler);

	self->iStateInfo.iState = EFullscreenPhase2;

	self->iStateInfo.iAction = aEngine.Action();

	return self;	

	}

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

// CPhase2State Signal handling

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

//

CStateBase* CPhase2State::SignalL(TSignal aSignal)

	{

    TInt error = KErrNone;	

	switch(aSignal)

		{

		case EAbort:

		case EAbortFullscreen:

			iEngine.SendAbortFullscreen();

			return CRestingState::NewL(iEngine,iHandler);

		case EFinishFullscreen:

		    if ( ( iEngine.Action() == 1001 || iEngine.Action() == AknTransEffect::EApplicationExit ) &&

		        !iEngine.EffectFinishedFullScreen() )

		        {

		        iEngine.SendAbortFullscreen();

		        }

			return CRestingState::NewL(iEngine,iHandler);

		case EBeginFullscreen:

			if(!IsBlocked(iEngine.FromUid(),iEngine.ToUid()))

				{

				iEngine.SendBeginFullscreen();

				return CPhase1State::NewL(iEngine,iHandler);

				}

			return NULL;

		case EBeginComponent:

		    error = iEngine.SendBeginControlTransition();

		    if ( error == KErrNone )

		        {

         		return CControlState::NewL( iEngine, iHandler );

		        }

		    return NULL;    

		}

	return NULL;

	}