/*

* Copyright (c) 2005,2006 Choe Hwanjin

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:

*

*/

#ifndef OSSHANGULINPUTCONTEXT_H

#define OSSHANGULINPUTCONTEXT_H

#include <e32std.h>

#include <e32base.h>

#include <MOssHangulInputEventObserver.h>

typedef struct _HangulInputContext HangulInputContext;

class COssKeyboard;

class COssCombination;

class COssHangulInputContext : public CBase

    {

public:

    IMPORT_C static COssHangulInputContext* NewLC(const TDesC8& aKeyboardType);

    IMPORT_C static COssHangulInputContext* NewL(const TDesC8& aKeyboardType);

    IMPORT_C virtual ~COssHangulInputContext();

private:

    COssHangulInputContext();

    void ConstructL(const TDesC8& aKeyboardType);

public:

    IMPORT_C TBool Process(const TChar& aAscII);

    IMPORT_C void Reset();

    IMPORT_C TBool BackSpace();

    IMPORT_C TBool IsEmpty();

    IMPORT_C TBool HasChoseong();

    IMPORT_C TBool HasJungseong();

    IMPORT_C TBool HasJongseong();

    IMPORT_C void SetOutputMode(const TInt& aMode);

    IMPORT_C void SetKeyboard(const COssKeyboard& aOssKeyboard);

    IMPORT_C void SelectKeyboard(const TDesC8& aId);

    IMPORT_C void SetCombinationL(COssCombination& aOssCombination);

    IMPORT_C void AddEventObserver(MOssHangulInputEventObserver* aObserver);

    IMPORT_C void RemoveEventObserver(MOssHangulInputEventObserver* aObserver);

    IMPORT_C TPtrC GetPreeditString();

    IMPORT_C TPtrC GetCommitString();

    IMPORT_C TPtrC Flush();

public:

    TBool OnTranslate(const TChar& aAscII,const TDesC& aUcsStr);

    TBool OnTransition(const TChar& aChar,const TDesC& aPreEdit);

private:

    HBufC8* iKeyboardType;

    HangulInputContext* iHic;

    RPointerArray<MOssHangulInputEventObserver> iObservers;

    };

#endif // OSSHANGULINPUTCONTEXT_H