/*

* Copyright (c) 2004 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 TAknFepInputStateQwerty definition.

*

*/

#ifndef __AKN_FEP_UI_INPUT_STATE_QWERTY_H__

#define __AKN_FEP_UI_INPUT_STATE_QWERTY_H__

#include <w32std.h>

#include "AknFepUiInputStateBase.h"

class TAknFepInputStateQwerty : public TAknFepInputStateBase

    {

public:

    TAknFepInputStateQwerty(MAknFepUIManagerStateInterface* aOwner); 

    TBool HandleKeyL(TInt aKey, TKeyPressLength aLength);

    TBool IsNumberKey(const TInt aKey);

public: // Functions from MPtiObserver interface

    void KeyTimerExpired();

protected:

    TBool IsCharacterKey(const TInt aKey);

    TBool IsQwertyKey(const TInt aKey);

//	TBool IsAllowedKeymappingForNumberMode(TChar aChar);    

	void NumericCharacterForQwertyKey(TInt aInScanCode,

                                      TKeyEvent& aEvent,

                                      TBool aShifted,

                                      TChar& aResult);     

	TBool IsExceptionChar(TUint16 aChar);

	/**

	* There are currently handled as a herdcoded special cases. 

	* This method is used for collecting and handling those cases.

	*/                                      

	void CustomFilter(TPtrC aInput, TDes& aOutput, TInt aLanguage, 

                      TInt aCurrentCase, TBool aShiftDown);                                      

	void HandleCaseChange(TInt aKey, TBool aIsCharacter);

#ifdef RD_INTELLIGENT_TEXT_INPUT

    TBool IsCharacterNumber(TChar aChar);

    TBool TryGetValidCharForKey(const TInt& aKey, TChar& aChar);

    TBool TryGetValidCharForKeyAndCase(const TInt& aKey, TChar& aChar, TPtiTextCase aCase);

#endif

    TBool CheckForValidNumberEntryForqwerty(TInt aKey);  	  	                                        

private:

	//TBool iFakeDelete;  	                                        

	//TBool iCharKeyException;	 

#ifdef RD_INTELLIGENT_TEXT_INPUT

    //IsLanguageSupportsCaseChanges() should return ETrue if the current input language

    // does not support case changes. Eg - Arabic, Urdu, Farsi, Hindi, etc. 

    //It should return EFalse for other languages (eg - latin based languages)

    TBool IsLanguageWithoutCaseChanges();

    //IsSpecialNonLatinScript() should return ETrue if the current input language uses

    // either Greek, Cyrillic or Hebrew script. Currently supported languages with Cyrillic 

    // script are Russian, Ukrainian and Bulgarian.

    TBool IsSpecialNonLatinScript();

#endif

    };

#endif //__AKN_FEP_UI_INPUT_STATE_QWERTY_H__

// End of file