/*

* Copyright (c) 2002-2005 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:  Implementation of the vkb ui state machine (Chinese Standby State)

*

*/

// user includes

#include "peninputvkbuistatestandbycn.h"

#include "peninputvkbevent.h"

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

// Implementation of Class CAknFepVkbUiStateStandbycn

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

// CAknFepVkbUiStateStandbycn::CAknFepVkbUiStateStandbycn

// (other items were commented in a header).

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

//

CAknFepVkbUiStateStandbycn::CAknFepVkbUiStateStandbycn(MAknFepVkbUiStateMgr* aUiStateMgr, 

                                                       MAknFepVkbLayoutContext* aContext)

    :CAknFepVkbUiState(aUiStateMgr,aContext)

    {

    }

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

// CAknFepVkbUiStateStandbycn::NewL

// (other items were commented in a header).

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

//

CAknFepVkbUiStateStandbycn* CAknFepVkbUiStateStandbycn::NewL(MAknFepVkbUiStateMgr* aUiStateMgr, 

                                                             MAknFepVkbLayoutContext* aContext)

    {

    CAknFepVkbUiStateStandbycn* self = 

                                  new ( ELeave ) CAknFepVkbUiStateStandbycn(aUiStateMgr,aContext);

    CleanupStack::PushL(self);

    self->ConstructL(); 

    CleanupStack::Pop();

    return self;

    }  

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

// CAknFepVkbUiStateStandbycn::~CAknFepVkbUiStateStandbycn

// (other items were commented in a header).

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

//

CAknFepVkbUiStateStandbycn::~CAknFepVkbUiStateStandbycn()

    {

    }

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

// CAknFepVkbUiStateStandbycn::HandleKeyEventL

// (other items were commented in a header).

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

//

TBool CAknFepVkbUiStateStandbycn::HandleKeyEventL(const TRawEvent& /*aData*/)     

    {

    return EFalse;

    }

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

// CAknFepVkbUiStateStandbycn::HandleVkbEvent

// (other items were commented in a header).

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

//

TBool CAknFepVkbUiStateStandbycn::HandleVkbEvent(TInt /*aEventType*/,

                                                 const TDesC& aEventData)

    {

    TKeyEvent* event = (TKeyEvent*) aEventData.Ptr();      

    if ( IsFilterUnicode(event->iScanCode) )

        {

        iContext->ClearTriggerString();

        iContext->SendEventToVkbControl(EVkbEventClearContent,NULL);

        return SendKey(aEventData);

        }

    else

        {

        iContext->SendEventToVkbControl(EVkbEventStandby2Composition,NULL); 

        iContext->ForceEditGainFocus(ECompotisionFieldGetFocus);       

        iUiStateMgr->SetCurrentUiState( iUiStateMgr->UiStateCompositionWithChars() ); 

        return EFalse;                

        }

    }

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

// CAknFepVkbUiStateStandbycn::HandleBackEvent

// (other items were commented in a header).

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

//

TBool CAknFepVkbUiStateStandbycn::HandleBackEvent(TInt /*aEventType*/,

                                                  const TDesC& aEventData)

    {

    TInt candidateCount = iContext->RequestData(EAknFepDataTypeCandidateCount);

    if(candidateCount)

        {

        TRAP_IGNORE(iContext->GetCandidatesL(aEventData,ETrue));

        }

    candidateCount = iContext->RequestData(EAknFepDataTypeCandidateCount);

    if ( candidateCount == 0 )

        {

        iContext->SendEventToVkbControl(EVkbEventClearContent,NULL);

        }

    return SendKey(aEventData);  

    }

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

// CAknFepVkbUiStateStandbycn::HandleEnterSpaceEvent

// (other items were commented in a header).

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

//

TBool CAknFepVkbUiStateStandbycn::HandleEnterSpaceEvent(TInt /*aEventType*/,

                                                           const TDesC& aEventData)  

    {

    iContext->ClearTriggerString();

    iContext->SendEventToVkbControl(EVkbEventClearContent,NULL);

    return SendKey(aEventData);

    }

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

// CAknFepVkbUiStateStandbycn::HandleEnterSpaceEvent

// (other items were commented in a header).

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

//

TBool CAknFepVkbUiStateStandbycn::HandleTabEvent(TInt /*aEventType*/,

                                                           const TDesC& aEventData)  

    {

    return SendKey(aEventData);

    }

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

// CAknFepVkbUiStateStandby::HandleArrowKeyEvent

// (other items were commented in a header).

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

//

TBool CAknFepVkbUiStateStandbycn::HandleArrowKeyEvent(TInt /*aEventType*/, const TDesC& aEventData)

    {

    iContext->ClearTriggerString();//new added

    iContext->SendEventToVkbControl(EVkbEventClearContent,NULL); //new added

    return SendKey(aEventData);

    }

TBool CAknFepVkbUiStateStandbycn::HandleControlEvent(TInt aEventType, const TDesC& aEventData)

	{

	if( aEventType == EEventSetAppCursorSelection && 

		iUiStateMgr->CurrentUiState() == iUiStateMgr->UiStateStandbycn() )	

		{

		// clear condidate list when cursor moves

	    iContext->ClearTriggerString();

	    iContext->SendEventToVkbControl(EVkbEventClearContent,NULL);

		return true;		

		}

	else

		return CAknFepVkbUiState::HandleControlEvent( aEventType, aEventData );	

	}

// End Of File