/*

* Copyright (c) 2002-2006 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:  Header file for text data handler.  

*

*/

#ifndef CDOCNOTEPADHANDLER_H

#define CDOCNOTEPADHANDLER_H

//  INCLUDES

#include "DocDefaultHandler.h"

// CLASS DECLARATION

class CCommonUiNpdApiLoader;

/**

* Handler for text files. 

* Uses the Notepad's api for saving. Uses TextViewer for opening text content.

*/

NONSHARABLE_CLASS(CDocNotepadHandler) : public CDocDefaultHandler

    {

    public:        // Constructors and destructor

        /**

        * Two-phased constructor. 

        * @param aDataType      Data type

        * @param aUid           UID of the handler app

        * @param aDocDispatcher Pointer to DocumentHandler instance

        * @return               Constructed CNotepadHandler

        */

        static CDocNotepadHandler* NewL( const TDataType& aDataType,

                                         const TUid& aUid,

                                         CDocumentHandler* aDocDispatcher );

        /**

        * Two-phased constructor. Leaves the contructed instance in to the 

        * clean up stack.

        * @param aDataType      Data type

        * @param aUid           UID of the handler app

        * @param aDocDispatcher Pointer to DocumentHandler instance

        * @return               Constructed CNotepadHandler

        */

        static CDocNotepadHandler* NewLC( const TDataType&

                                          aDataType, 

                                          const TUid& aUid,

                                          CDocumentHandler* aDocDispatcher );

        /**

        * Destructor

        */

        ~CDocNotepadHandler();

        private:

        /**

        * Epoc constructor

        */

        void ConstructL();

        /**

        * Constructor

        * @param aDataType      Data type

        * @param aUid           UID of the handler app

        * @param aDocDispatcher Pointer to DocumentHandler instance

        * @param aServiceMode   EDocOpenAndSave (Can handle both operations.)

        */

        CDocNotepadHandler( const TDataType&

                            aDataType, 

                            const TUid& aUid,

                            CDocumentHandler* aDocDispatcher,

                            TDocServiceMode aServiceMode = EDocOpenAndSave );

        /**

        * Load Notepad Api.

        */

		void LoadNpdApiL();

    public:       // Functions from base classes

        /**

        * Copy/move a file to the correct directory.

        * @param        aAttr File attributes.

        * @return       KErrNone if success, a status code if failed.

        */

        TInt CopyOrMoveL( const TUint );

        /**

        * Copy a file to the correct directory.

        * @param        a filehandle of source file

        * @param        aAttr File attributes.

        * @return       KErrNone if success, a status code if failed.

        */

        TInt CopyHandleL( const RFile& aSourceFile, const TUint aAttr );

    private:

    	/*

        * Has the Npd Api DLL already been loaded.

        */

        TBool iNpdDllLoaded;

        /*

        * A handle to a dynamically loadable DLL.

        */

        RLibrary iNpdDll;

        /*

        * Loads Npd Api DLL dynamically to memory.

        * Allows use of the DLL through this pointer, but only for

        * methods implemented within.

        * Own.

        */

        CCommonUiNpdApiLoader* iNpdApi;

    };

#endif      // CDOCNOTEPADHANDLER_H

// End of File