/*

* Copyright (c) 2002 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: 

* 	CFLDSoftKeyChanger changes softkeys into video preview layout and

* 	video preview select layout. Allows also to restore old layout.	

*

*

*/

#ifndef __CFLDSOFTKEYCHANGER_H__

#define __CFLDSOFTKEYCHANGER_H__

// INTERNAL INCLUDES

#include <e32base.h>

// EXTERNAL INCLUDES

#include "MFLDFileListBoxObserver.h"

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

* CFLDSoftKeyChanger changes softkeys into video preview layout and

* video preview select layout. Allows also to restore old layout.

*

* @lib filelist.lib

* @since 3.1

*/

NONSHARABLE_CLASS( CFLDSoftKeyChanger ) : public CBase

    {

    public:	// Constructors and destructors

		/**

		* Two-phased static constructor.

		* @return A pointer to a fully constructed CFLDSoftKeyChanger instance

		*/

    	static CFLDSoftKeyChanger* NewL();

 		/**

 	 	* Two-phased static constructor, leaves a pointer to cleanup stack

 		* @return A pointer to a fully constructed CFLDSoftKeyChanger instance

 		*/

		static CFLDSoftKeyChanger* NewLC();

    	/**

    	* Destructor

    	*/

    	virtual ~CFLDSoftKeyChanger();

    protected:  // Constructors and destructors

    	/**

    	* Constructor, protected

    	*/

    	CFLDSoftKeyChanger();

    	/**

    	* Second phase constructor

    	*/

    	void ConstructL();

    public: // New methods

    	/**

    	* Changes softkey layout into 'Preview' 'Cancel'

        */

    	void ChangeNewSoftKeysPreviewL();

    	/**

    	* Changes softkey layout into 'Select' 'Cancel'

    	* NOTE: this layout is used only when tone selection list

    	* is at preview state

        */

    	void ChangeNewSoftKeysPreviewSelectL();

    	/**

    	* Restores layout into original 'Select' 'Back'

        */

    	void RestoreOldToneSelectionSoftKeysL();

    	/**

    	* Returns current softkeystate

        */

        MFLDFileListBoxObserver::TFileListSoftKeyState

         SoftKeyState() const;

    private: // New methods

    	/**

    	* Opens filelist internal resource file

        */

    	void OpenResourceL();

    	/**

    	* Changes softkey label from given string

    	* @parameter aSoftKeyLabel new label for softkey

        */

   		void ChangeLeftSoftKeyL( const TDesC& aSoftKeyLabel ) const;

   		/**

    	* Changes softkey label from given string

    	* @parameter aSoftKeyLabel new label for softkey

        */

   		void ChangeRightSoftKeyL( const TDesC& aSoftKeyLabel ) const;

    private: // Data

		// Softkey state       	

       	MFLDFileListBoxObserver::TFileListSoftKeyState iSoftKeyState;

       	/// Own: SoftkeyLabel

       	HBufC* iSoftKeySelect;

       	/// Own: SoftkeyLabel

       	HBufC* iSoftKeyPreview;

       	/// Own: SoftkeyLabel

       	HBufC* iSoftKeyCancel;

       	/// Own: SoftkeyLabel

       	HBufC* iSoftKeyBack;

    };

#endif      // __CFLDSOFTKEYCHANGER_H__

// End of File