/*

* Copyright (c) 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:           

*       Provides the TAknFepUIInputStateEntryQwertyCangJie methods.

*

*/

#include "AknFepUIManagerStateInterface.h"  //MAknFepUIManagerStateInterface

#include "AknFepManagerUIInterface.h"       //MAknFepManagerUIInterface

#include "AknFepUiInputStateEntryQwertyCangJie.h"

#include "AknFepUICtrlCandidatePane.h"

#include <PtiEngine.h>      //CPtiEngine

#include <e32keys.h>        //keys  

#include <avkon.hrh>

const TInt KEasyCangJieLengthLimit(2);      // Spelling limit for Easy CangJie is 2 characters

const TInt KNormalAdvCangJieLengthLimit(5); // Spelling limit for Normal and Advanced CangJie is 5 characters

TAknFepInputStateEntryQwertyCangJie::TAknFepInputStateEntryQwertyCangJie(

                               MAknFepUIManagerStateInterface* aOwner,

                               MAknFepUICtrlContainerChinese* aUIContainer)

    :TAknFepInputStateEntryQwertyBase(aOwner,aUIContainer)                           

    {

    UIContainer()->CandidatePane()->ShowCandidateOrdinals(ETrue);

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    ptiengine->SetInputMode( ( TPtiEngineInputMode )iOwner->FepMan()->CangJieMode() );

    // This is a must otherwise Engine cannot find keys in KeyMapping

    ptiengine->SetCase(EPtiCaseLower);

    ptiengine->SetCandidatePageLength(MAknFepUICtrlContainerChinese::ELayoutInput);

    }

TBool TAknFepInputStateEntryQwertyCangJie::HandleKeyL(TInt aKey, TKeyPressLength aLength)

    {

    CPtiEngine* ptiengine = iOwner->PtiEngine();

    MAknFepManagerUIInterface* fepMan = iOwner->FepMan();

    TPtiEngineInputMode currentMode = ptiengine->InputMode();

    TBool processKey = ETrue;

    if (!IsValidCangJieCode(aKey))

        return TAknFepInputStateEntryQwertyBase::HandleKeyL(aKey, aLength);

    TInt bufferLength = 0;

    TInt lengthLimit = 0;

    // Limit the length of the key append for different CangJie level

    switch(currentMode)

        {

        case EPtiEngineEasyCangjieQwerty:

            lengthLimit = KEasyCangJieLengthLimit;

            break;

        case EPtiEngineNormalCangjieQwerty:

        case EPtiEngineAdvCangjieQwerty:

            lengthLimit = KNormalAdvCangJieLengthLimit;

            break;

        default:

            break;

        }

    if (ptiengine->PhoneticSpellingCount() > 0)

        {

        TPtrC spellingBuf = ptiengine->GetPhoneticSpelling(1);

        bufferLength = spellingBuf.Length();

        if (bufferLength >= lengthLimit)

            {

            processKey = EFalse;

            fepMan->PlaySound(EAvkonSIDConfirmationTone);

            }

        }    

    return processKey ? TAknFepInputStateEntryQwertyBase::HandleKeyL(aKey, aLength) : ETrue;

    }

// End of file