fep/aknfep/src/AknFepVietnameseToneManager.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 11 May 2010 16:31:42 +0300
branchRCL_3
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Revision: 201017 Kit: 201019
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0""
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:          
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*
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*/
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#include "AknFepVietnameseToneManager.h"
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#include "AknFepManager.h"
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CAknFepVietnameseToneManager::CAknFepVietnameseToneManager()
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    {
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    }
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CAknFepVietnameseToneManager::~CAknFepVietnameseToneManager()
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    {
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    }
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CAknFepVietnameseToneManager* CAknFepVietnameseToneManager::NewL()
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    {
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    CAknFepVietnameseToneManager* self = new (ELeave) CAknFepVietnameseToneManager;
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop();
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    return self;
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    }
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void CAknFepVietnameseToneManager::ConstructL()
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    {
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    }
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void CAknFepVietnameseToneManager::StopToneMarkLooping()
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    {
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    iToneIndex = 0;
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    iVowelIndex = 0;
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    iIsLooping = EFalse;
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    }
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TBool CAknFepVietnameseToneManager::StartToneMarkLooping()
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    {
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    __ASSERT_DEBUG(iFepMan != NULL, 
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        RDebug::Print(
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        _L("In CAknFepVietnameseToneManager::StartLooping,\nINVALID PARAM: Empty Fep Manager!")));
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    StopToneMarkLooping();
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    const TText prevChr = iFepMan->PreviousChar();
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    // Judge if the prevChr is a vowel or not
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    for (TUint i = 0; i < sizeof(VietVowelList) / sizeof(TText); ++i)
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        {
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        if (prevChr == VietVowelList[i])
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            {
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            iIsLooping = ETrue;
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            iVowelIndex = i;
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            break;
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            }
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        }
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    return iIsLooping;
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    }
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TText CAknFepVietnameseToneManager::GetVowelWithToneMark() const
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    {
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    // First vowel row lists those tone marks themselves
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    return VietToneMatrix[iVowelIndex+1][iToneIndex];
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    }
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void CAknFepVietnameseToneManager::StartKeyLooping(TInt aKey)
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    {
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    iLoopingKey = aKey;
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    iIsKeyLooping = ETrue;
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    iIsLoopingCombined = EFalse;
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    }
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void CAknFepVietnameseToneManager::StopKeyLooping()
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    {
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    iLoopingKey = 0;
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    iIsKeyLooping = EFalse;
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    iIsLoopingCombined = EFalse;
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    }
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TInt CAknFepVietnameseToneManager::ToneMarkIndex() const
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    {
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    const TText prevChr = iFepMan->PreviousChar();
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    // All tone mark is after number in product key mapping.
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    // Notice: The order in product key mapping should be the same with in tone mark array. 
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    for (TUint i = 0; i < KNumberOfToneMarks; ++i)
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        {
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        TBuf<1> num;
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        num.Num( i + 2 );
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        if (prevChr == num [0])
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            {
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            return i;
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            }
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        }
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    return KErrNotFound;
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    }
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TBool CAknFepVietnameseToneManager::GetLoopingToneMarkVowel( TText& aText ) const
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    {
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    const TText prev2prevChr = iFepMan->PreviousToPreviousChar( ETrue );
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    // Judge if the previous to previous Character is a vowel or not
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    TInt vowelIndex = KErrNotFound;
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    for (TUint i = 0; i < sizeof(VietVowelList) / sizeof(TText); ++i)
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        {
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        if ( prev2prevChr == VietVowelList[i] )
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            {
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            vowelIndex = i;
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            break;
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            }
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        }
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    if (vowelIndex >= 0)
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        {
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        aText =  VietToneMatrix[vowelIndex+1][ ToneMarkIndex() ];
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        return ETrue;
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        }
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    return EFalse;
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    }
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   145