/*

* Copyright (c) 2007-2008 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:  Utility class for keyboard handling 

 *

*/

// includes

#include <w32std.h>

#include <eikdef.h>

#include <eikenv.h>

#include <AknUtils.h>

#include "mulkeyboardutility.h"

const TUid KUidKeyBoardUtility = {0x02D811B8} ;

CQwertySubscriber::CQwertySubscriber(TCallBack aCallBack, RProperty& aProperty)

     : CActive(EPriorityNormal), iCallBack(aCallBack), iProperty(aProperty)

{

     CActiveScheduler::Add(this);

}

 CQwertySubscriber::~CQwertySubscriber()

{

     Cancel();

}

 void CQwertySubscriber::SubscribeL()

{

     if (!IsActive())

         {

         iProperty.Subscribe(iStatus);

         SetActive();

         }

}

void CQwertySubscriber::StopSubscribe()

{

   Cancel();

}

void CQwertySubscriber::RunL()

{

    if (iStatus.Int() == KErrNone)

    {

         iCallBack.CallBack();

         SubscribeL();

    }

}

void CQwertySubscriber::DoCancel()

{

   iProperty.Cancel();

}

CKeyBoardUtility* CKeyBoardUtility:: NewL()

{ 

    CKeyBoardUtility* self = static_cast<CKeyBoardUtility*>( CCoeEnv::Static( KUidKeyBoardUtility ) ) ; 

    if(!self)

        {

        self = new( ELeave ) CKeyBoardUtility() ;

        }

    return self ;

}

CKeyBoardUtility::CKeyBoardUtility():CCoeStatic(KUidKeyBoardUtility, CCoeStatic::EThread /*or EApp*/ )

{

	bQwerty = EFalse;

    User::LeaveIfError(iQwertyModeStatusProperty.Attach(KCRUidAvkon, KAknQwertyInputModeActive));

    iQwertyModeStatusSubscriber = new (ELeave) CQwertySubscriber(TCallBack(QwertyModeChangeNotification, this), iQwertyModeStatusProperty);

    iQwertyModeStatusSubscriber->SubscribeL();

}

CKeyBoardUtility::~CKeyBoardUtility()

{

    // Qwerty Notify clean-up

    if (iQwertyModeStatusSubscriber)

    {

       iQwertyModeStatusSubscriber->StopSubscribe();

    }

    iQwertyModeStatusProperty.Close();

    delete iQwertyModeStatusSubscriber;   

}

TInt CKeyBoardUtility::QwertyModeChangeNotification(TAny* aObj)

{

    if (aObj != NULL)

    {

    	static_cast<CKeyBoardUtility*>(aObj)->HandleQwertyModeChangeNotification();

        return KErrNone;

    }

    else

    {

        return KErrArgument;

    }

}

void CKeyBoardUtility::HandleQwertyModeChangeNotification()

{

	     TInt value = 0;

	     iQwertyModeStatusProperty.Get(value);    

	     if(value > 0) 

	     {

	     	bQwerty = ETrue;

	     }

	     else

	     {

	     	bQwerty = EFalse;

	     }

}

bool CKeyBoardUtility::IsQwerty()

{

     TInt value = 0;

     iQwertyModeStatusProperty.Get(value);    

     if(value > 0) 

     {

     	bQwerty = true;

     }

     else

     {

     	bQwerty = false;

     }

	return bQwerty;

}