/*

* Copyright (c) 2009 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:  Trigger string

*

*/

#ifndef C_PENINPUTHWRTRIGGERSTR_H

#define C_PENINPUTHWRTRIGGERSTR_H

//  INCLUDES

#include <e32base.h>

const TInt KMaxTriggerStrLen = 128;

/**

 *  Trigger string

 *

 *  @lib peninputhwrfscn.lib

 *  @since S60 v3.2

 */

class CAknFepHwrTriggerStr : public CBase

    {

public:

    /**

     * destructor

     *

     * @since S60 v3.2

     * @return None

     */

    virtual ~CAknFepHwrTriggerStr();

    /**

     * Append the char code to trigger string 

     *

     * @since S60 v3.2

     * @param aChar The char code.

     * @return None

     */

    void Append(const TDesC& aChar);

    /**

     * Set the char code to trigger string 

     *

     * @since S60 v3.2

     * @param aChar The char code.

     * @return None

     */

    void Set( const TDesC& aChar );

    /**

     * Get trigger string

     *

     * @since S60 v3.2

     * @param aString Carry trigger string on return

     * @return None

     */            

    TDesC& GetString();

    /**

     * Delete the last char

     *

     * @since S60 v3.2

     * @return None

     */            

    void DeleteLast();    

    /**

     * Delete all chars

     *

     * @since S60 v3.2

     * @return None

     */    

    void DeleteAll();

    /**

     * Is empty of the trigger string

     *

     * @since S60 v3.2

     * @return None

     */

    TBool IsEmpty();

private://data

    /**

     * trigger string

     */

    TBuf<KMaxTriggerStrLen> iString;

    };

#endif // C_PENINPUTHWRTRIGGERSTR_H

// End Of File