/*

 * 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