/*

* 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:  drop-down list control

*

*/

#include <AknFepGlobalEnums.h>

#include <peninputdropdownlist.h>

#include <PtiEngine.h>

#include <aknfeppeninputenums.h>

#include "peninputitutchnuimgr.h"

#include "peninputgenericitutlayout.h"

#include "peninputgenericitutlayoutcontext.h"

#include "peninputgenericitutdatamgr.h"

#include "peninputitutchnuistatestandby.h"

#include "peninputitutchnuistatepredict.h"

#include "peninputitutchnuistatestrokezhuyincomposition.h"

#include "peninputitutchnuistatepinyincomposition.h"

#include "peninputitutwesternuistatespelling.h"

#include "peninputitutwesternuistatenonpredict.h"

#include "peninputitutwesternuistatematchselection.h"

#include "peninputgenericitutwindowmanager.h"

CChnItutUiMgr* CChnItutUiMgr::NewL(MItutLayoutContext* aContext, 

                                   CGenericItutDataMgr* aDataMgr,

                                   CGenericItutWindowManager* aUiManager)

    {

    CChnItutUiMgr* self = new (ELeave) CChnItutUiMgr(aContext, aDataMgr,aUiManager);

    CleanupStack::PushL(self);

    self->ConstructL(); 

    CleanupStack::Pop(self);

    return self;

    }

CChnItutUiMgr::~CChnItutUiMgr()

    {

    if (iCurrentState)

        {

        iCurrentState->OnExit();

        }

    delete iStandbyState;

    delete iPinyinComp;

    delete iStoZhuComp;

    delete iPredictState;

    delete iNormalState;

    delete iMatchSelState;

    delete iSpellState;    

    }

CChnItutUiMgr::CChnItutUiMgr(MItutLayoutContext* aContext,

                             CGenericItutDataMgr* aDataMgr,

                             CGenericItutWindowManager* aUiManager)

                            :CGenericItutUiMgrBase(aContext, aDataMgr,aUiManager)

    {

    }

void CChnItutUiMgr::ConstructL()

    {

    CGenericItutUiMgrBase::ConstructL();

    iStandbyState = CChnItutUiStateStandby::NewL(this);

    iPinyinComp = CChnItutUiStatePinyinComposition::NewL(this);

    iStoZhuComp = CChnItutUiStateStrokeZhuyinComposition::NewL(this);

    iPredictState = CChnItutUiStatePredict::NewL(this);

    iNormalState = CWesternItutUiStateNonPredict::NewL(this);

    iMatchSelState = CWesternItutUiStateMatchSelection::NewL(this);

    iSpellState = CWesternItutUiStateSpelling::NewL(this);    

    }

TInt CChnItutUiMgr::HandleCommandL(TInt aCmd, TUint8* aData)

    {

    if (aCmd == EItutExtCmdCustomerState || 

        aCmd == ECmdPenInputFingerMatchSelection ||

        aCmd == ECmdPenInputFingerSpelling)

        {

        if (!(*(reinterpret_cast<TBool*>(aData))))

            {

            // state not on

            if (!IsChineseMode())

                {

                SetCurrentStateL(CGenericItutUiMgrBase::EStateWesternStandby);    

                }

            return KErrNone;

            }

        }

    TUint* data = (TUint*) aData;        

    switch (aCmd)

        {

        case ECmdPenInputFingerMatchSelection:

            {

            SetCurrentStateL(CGenericItutUiMgrBase::EStateMatchSelection);

            return KErrNone;    

            }

        case ECmdPenInputFingerSpelling:

            {

            SetCurrentStateL(CGenericItutUiMgrBase::EStateSpelling);

            UiManager()->ResetIndicatorL(UiManager()->Control(ECtrlIdSpellIndicator));

            return KErrNone;

            }        

        case ECmdPenInputFingerKeyPress:

            {

            if (iCurrentState && iCurrentState->HandleKeyL(aCmd, *data))

                {

                return KErrNone;

                }

            return KErrNotSupported;    

            }

        case ECmdPenInputFingerLongKeyPress:

            {

            if (!IsChineseMode())

                {

                return KErrNone;   

                }

            if (*data >= EPtiKey0 && *data <= EPtiKey9)

                {

                HandleLongPressNumberKeyL(TPtiKey(*data));

                // long key press

                if (iCurrentState->StateType() == CGenericItutUiMgrBase::EStateComposition)

                    {

                    return KErrNone;

                    }

                }

            else if (iCurrentState && iCurrentState->HandleKeyL(aCmd, *data))    

                {

                return KErrNone;

                }

            // means not handled by ui

            return KErrNotSupported;

            }

        case ECmdPenInputDeActive:            

        	{

        	if (!iCurrentState)

        	    {

        	    return KErrNone;   

        	    }

        	TBool changeState = EFalse;

        	TUiState state;

        	if (IsChineseMode())

        	    {

        	     iCurrentState->StateType() != CGenericItutUiMgrBase::EStateStandby ?

        	        changeState = ETrue : changeState = EFalse;

        	    state = CGenericItutUiMgrBase::EStateStandby;  

        	    }

        	else

        	    {

        	    iCurrentState->StateType() == CGenericItutUiMgrBase::EStateMatchSelection ?

        	    changeState = ETrue : changeState = EFalse;

        	    state = CGenericItutUiMgrBase::EStateWesternStandby;

        	    }

            if (changeState)

            	{

            	SetCurrentStateL(state);	

            	}

            }

            break;

        case ECmdPenInputNoFreeSpace:

            {

        	if (!iCurrentState)

        	    {

        	    return KErrNone;   

        	    }

        	if (IsChineseMode() &&

        	    iCurrentState->StateType() != CGenericItutUiMgrBase::EStateStandby)

    	        {

            	SetCurrentStateL(CGenericItutUiMgrBase::EStateStandby);	

    	        }

            }

            break;

        case ECmdPenInputCase:

            {

            if (iCurrentState)// && !IsChineseMode())

                {

                iLayoutContext->DataMgr()->SetCase(*((TUint*) aData));

                return KErrNone;

                }

            }

            break;

        case ECmdPenInputFingerMatchList:

            {

            if (iCurrentState)

                {

                iCurrentState->HandleCommandL(aCmd, aData);

                }

            }

            break;

        case ECmdPenInputIsSecretText:

            {

            if (iCurrentState)

                {

                iCurrentState->HandleCommandL(aCmd, aData);

                }

            }

            break;        

        case EItutCmdCheckIcfEmpty:

            {

            if (iCurrentState && 

                iCurrentState->StateType() == CGenericItutUiMgrBase::EStateSpelling)

                {

                iCurrentState->HandleCommandL(aCmd, aData);

                }

            }

            break;

    	case EItutExtCmdSizeChanged:

   			{

   			if(iCurrentState)

   				{

   				iCurrentState->HandleCommandL(aCmd, aData);	

   				}

   			}

   			break;

        default:

            break;

        }

    return KErrNone;

    }

TBool CChnItutUiMgr::HandleCtrlEventL(TInt aEventType, 

                                      CFepUiBaseCtrl* aCtrl, 

                                      const TDesC& aEventData)

    {

    if (!iCurrentState)

        {

        return EFalse;

        }

    if (!IsChineseMode())

        {

        return iCurrentState->HandleCtrlEventL(aEventType, aCtrl, aEventData);    

        }

    if (!iCurrentState->HandleCtrlEventL(aEventType, aCtrl, aEventData))

        {

        switch (aEventType)

            {

            case EEventRawKeyUpEvent:

                {

                if (aCtrl->ControlId() == ECtrlIdBackspace)

                    {

                    // if clear key released

                    SetClrConsume(EFalse); 

                    }

                else

                    {

                    // if number key released

                    const TKeyEvent *key = reinterpret_cast<const TKeyEvent*>(aEventData.Ptr());

                    if ((key->iScanCode >= EPtiKey0) && (key->iScanCode <= EPtiKey9))

                        {

                        SetNumLongPressValid(EFalse);

                        }

                    }

                }

                break;

            default:

                break;

            }

        return EFalse;

        }

    else

        {

        // handled by state

        return ETrue;

        }

    }

void CChnItutUiMgr::SetCurrentStateL(TUiState aNewStateType)

    {

    if (iCurrentState && 

        aNewStateType == iCurrentState->StateType())

    	{

        return;    		

    	}    

    CGenericItutUiStateBase* newState = NULL;

    switch (aNewStateType)

        {

        case CGenericItutUiMgrBase::EStateStandby:

            {

            newState = iStandbyState;

            }

            break;

        case CGenericItutUiMgrBase::EStateComposition:

            {

            newState = (DataMgr()->InputMode() == EPinyin) ? 

                iPinyinComp : iStoZhuComp;

            }

            break;

        case CGenericItutUiMgrBase::EStatePredict:

            {

            newState = iPredictState;

            }

            break;

        case CGenericItutUiMgrBase::EStateWesternStandby:

            {

            newState = iNormalState;

            }

            break;

        case CGenericItutUiMgrBase::EStateMatchSelection:

            {

            newState = iMatchSelState;

            }

            break;

        case CGenericItutUiMgrBase::EStateSpelling:

            {

            newState = iSpellState;

            }

            break;

        default:    

            return;

        }

    if (iCurrentState)

        {

        iCurrentState->OnExit();

        }

    iCurrentState = newState;

    if(DataMgr()->IsUpdate())  

    	{

    	DataMgr()->SetUpdate(EFalse);

    	CGenericItutUiLayout* itutLayout = 

			static_cast<CGenericItutUiLayout*>( LayoutContext()->UiLayout() );

		itutLayout->SizeChanged( NULL );

    	}

    iCurrentState->OnEntryL();

    }

void CChnItutUiMgr::ActivateUiL()

    {

    if (iCurrentState && !IsChineseMode())

        {

        iCurrentState->OnEntryL();

        return;

        }    

    switch (DataMgr()->InputMode())

        {

        case EPinyin:

        case EStroke:

        case EZhuyin:

            SetCurrentStateL(CGenericItutUiMgrBase::EStateStandby);

            break;

        default:

            SetCurrentStateL(CGenericItutUiMgrBase::EStateWesternStandby);

            break;    

        }

    }

void CChnItutUiMgr::DeactivateUI()

    {

    if (iCurrentState)

        {

        iCurrentState->OnExit();

        iCurrentState = NULL;

        }

    SetNumLongPressValid(EFalse);

    }

void CChnItutUiMgr::HandleLongPressNumberKeyL(TPtiKey /*aKey*/)

    {

    if (NumLongPressValid())

        {

        // go to standby state

        SetCurrentStateL(CGenericItutUiMgrBase::EStateStandby);

        DataMgr()->PtiEngine()->ClearCurrentWord();

        SetNumLongPressValid(EFalse);

        }

    }

TBool CChnItutUiMgr::IsChineseMode()

    {

    TInt immode = DataMgr()->InputMode();

    TBool chineseMode = EFalse;

    if (immode == EPinyin || immode == EStroke || immode == EZhuyin)

        {

        chineseMode = ETrue;

        }

    return chineseMode;    

    }

// End Of File