/*

* Copyright (c) 2002 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: 

*

*

*/

// INCLUDE FILES

#include "AknInputLanguageInfo.h"

#include "ptiInputLanguageInfo.h"

// CONSTANTS

const TInt KInputLanguageArrayGranularity = 10;

// CLASS IMPLEMENTATION

CT9InputLanguageInfo::CT9InputLanguageInfo()

	{}

CT9InputLanguageInfo* CT9InputLanguageInfo::NewL()

	{

	CT9InputLanguageInfo* self = new(ELeave)CT9InputLanguageInfo();

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop();	//self

	return self;

	}

void CT9InputLanguageInfo::ConstructL()

	{

    // This implementation uses english dictionary by default

    iPtiEngineInterface = CPtiEngine::NewL(); 

    iPtiEngineInterface->ActivateLanguageL(ELangEnglish); 

	}

EXPORT_C CT9InputLanguageInfo::~CT9InputLanguageInfo()

	{

	if(iPtiEngineInterface)

		{

		TRAP_IGNORE( iPtiEngineInterface->CloseCurrentLanguageL());

		}

	delete iPtiEngineInterface;

	}

EXPORT_C void CT9InputLanguageInfo::AppendAvailableLanguagesL( CAknInputLanguageList* aList ) 

	{

	TAknInputLanguageCapabilities capabilityFilter;

	capabilityFilter.SetAllCapabilities();

	// Implemented by calling the more generic method with all filtering off:

	AppendLanguagesL( aList, NULL, capabilityFilter );

	}

EXPORT_C void CT9InputLanguageInfo::AppendLanguagesL( 

													 CAknInputLanguageList* aList, 

													 CArrayFix<TInt>* aLanguageCodeList, 

													 TAknInputLanguageCapabilities& aCapabilityFilter) 

	{

    // Provide new arrays for the call 

	CArrayFixFlat<TInt>* langCodes = new (ELeave) CArrayFixFlat<TInt>( KInputLanguageArrayGranularity );

	CleanupStack::PushL( langCodes );

    iPtiEngineInterface->GetAvailableLanguagesL( langCodes );

    TInt count = langCodes->Count();

    // Loop over the codes, appending them into the existing array;

	for ( TInt index = 0; index < count; ++index )

		{

        TLanguage langCode = (TLanguage)langCodes->At(index);

		// Filter by language code if array exists

		if (  !( aLanguageCodeList && !IsInLanguageCodeList(aLanguageCodeList, langCode ) ) )

			{     

            TBool chineseLanguage = (langCode == ELangTaiwanChinese || langCode == ELangHongKongChinese || langCode == ELangPrcChinese);

            // Temporary solution for Chinese variants.

            // All Chinese languages are shown in the input language list.

            // In western functionality we strip out secondary languages.

            if ( chineseLanguage || !(!aLanguageCodeList && 0) ) // missing secondary language functionality 

                {

                TAknInputLanguageCapabilities capabilities = LanguageCapabilitiesFromLanguage( langCode );

                // Test is passed if the filter has no support at all (no filtering to be done)

                // or there is a filter, but the language supports it

                if ( !aCapabilityFilter.HasAnySupport() || (capabilities.FilteredCapabilities( aCapabilityFilter )).HasAnySupport() )

                    {

                    CAknInputLanguageItem* inputItem = CAknInputLanguageItem::NewL( langCode, LanguageName(langCode), capabilities );

                    CleanupStack::PushL( inputItem );	

                    aList->AppendL( inputItem ); // Takes full ownership

                    CleanupStack::Pop(); // inputItem

                    }

                }

			}

		}

	CleanupStack::PopAndDestroy(1); // langcodes 

	}

TBool CT9InputLanguageInfo::IsInLanguageCodeList( CArrayFix<TInt>* aLanguageList, TLanguage aLanguageCode )

	{

	TBool retVal = EFalse;

	TInt index;

	TInt count = aLanguageList->Count();

	for (index = 0; index < count; ++index )

		{

        TInt language = aLanguageList->At( index );

        language &= 0x03FF;

        if (language == ELangOther)

            {

            language = ELangEnglish;

            }

        if (language == aLanguageCode)

			{

			retVal = ETrue;

			break;

			}

		}

	return retVal;

	}

EXPORT_C TAknInputLanguageCapabilities CT9InputLanguageInfo::LanguageCapabilitiesFromLanguage( TLanguage aLanguageId )

    {

    // essentially this is to map the capabilities to the non-t9 defined ones:

    MPtiLanguage* lang = iPtiEngineInterface->GetLanguage(aLanguageId);

    TAknInputLanguageCapabilities returnCapabilities;

    if ( lang )

        {

        returnCapabilities.AssignCapability( TAknInputLanguageCapabilities::EMultitap, ETrue );

        if (!lang->HasInputMode(EPtiEngineMultitapping))

            {

            returnCapabilities.AssignCapability( TAknInputLanguageCapabilities::EMultitap, EFalse );

            }

        if (lang->HasInputMode(EPtiEnginePredictive))

            {

            returnCapabilities.AssignCapability( TAknInputLanguageCapabilities::EPredictive, ETrue );

            }

        }

    else

        {

        returnCapabilities.AssignCapability( TAknInputLanguageCapabilities::EMultitap, EFalse );

        }

    return returnCapabilities;

    }

EXPORT_C TAknLanguageName CT9InputLanguageInfo::LanguageName( TLanguage aLanguageCode ) const

	{

    MPtiLanguage* lang = iPtiEngineInterface->GetLanguage(aLanguageCode);

    return lang->LocalizedName();

	}

EXPORT_C TLanguage CT9InputLanguageInfo::UrlLanguage() const

	{

	// English returned for default implementation

	return ELangEnglish;

	}

//

// Class CAknInputLanguageInfoFactory

//

EXPORT_C CAknInputLanguageInfo* AknInputLanguageInfoFactory::CreateInputLanguageInfoL()

	{

	CAknInputLanguageInfo* info = CT9InputLanguageInfo::NewL();

	return info;

	}

// End of File