/*

* Copyright (c) 2005 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: 

*       CUniTextObject, Storage for single text attachment in presentation.

*

*

*/

#ifndef __UNITEXTOBJECT_H

#define __UNITEXTOBJECT_H

// INCLUDES

#include <e32std.h>

#include <cmsvattachment.h>

#include <UniObject.h>

// CONSTANTS

// MACROS

// FORWARD DECLARATIONS

class CUniMimeInfo;

class CMsgTextInfo;

class CBaseMtm;

class CUniDataUtils;

class CEikRichTextEditor;

// DATA TYPES

// FUNCTION PROTOTYPES

// CLASS DECLARATION

/**

* CUniTextObject, Storage for single text attachment in presentation.

*

* @lib UniDataModel.lib

* @since 3.1

*/

class CUniTextObject : public CUniObject

    {

    public:  // New methods

        /**

        * Factory method that creates this object

        * from an attachment.

        *

        * @since    3.1

        * @param    aMtm    IN reference to client mtm

        * @param    aMedia  IN initialized media info object - takes ownership!

        * @param    aManager        IN reference to attachment manager

        * @param    aAttachmentId   IN id of the attachment from

        *                           which to create the object

        * @return   Pointer to instance in cleanup stack

        */

        static CUniTextObject* NewLC(

            RFs& aFs,

            CBaseMtm& aMtm,

            CUniDataUtils& aData,

            CMsgTextInfo* aMedia,

            MMsvAttachmentManager& aManager,

            CMsvAttachment& aAttachment );

        /**

        * Factory method that creates this object

        * from an attachment.

        *

        * @since    3.1

        * @param    aMtm    IN reference to client mtm

        * @param    aMedia  IN initialized media info object - takes ownership!

        * @param    aManager        IN reference to attachment manager

        * @param    aAttachmentId   IN id of the attachment from

        *                           which to create the object

        * @return   Pointer to instance

        */

        static CUniTextObject* NewL(

            RFs& aFs,

            CBaseMtm& aMtm,

            CUniDataUtils& aData,

            CMsgTextInfo* aMedia,

            MMsvAttachmentManager& aManager,

            CMsvAttachment& aAttachment );

        /**

        * Factory method that creates this object

        * from a file.

        *

        * @since    3.1

        * @param    aData   IN reference to MsgData object

        * @param    aMedia  IN initialized media info object - takes ownership!

        * @return   Pointer to instance in cleanup stack

        */

        static CUniTextObject* NewLC(

            RFs& aFs,

            CBaseMtm& aMtm,

            CUniDataUtils& aData,

            CMsgTextInfo* aMedia );

        /**

        * Factory method that creates this object

        * from a file.

        *

        * @since    3.1

        * @param    aData   IN reference to MsgData object

        * @param    aMedia  IN initialized media info object - takes ownership!

        * @return   Pointer to instance

        */

        static CUniTextObject* NewL(

            RFs& aFs,

            CBaseMtm& aMtm,

            CUniDataUtils& aData,

            CMsgTextInfo* aMedia );

        /**

        * Factory method that creates this object

        * from a text buffer.

        *

        * @since    3.1

        * @param    aData   IN reference to MsgData object

        * @param    aTextEditor IN text buffer from

        *                       which to create the object

        * @return   Pointer to instance in cleanup stack

        */

        static CUniTextObject* NewLC(

            RFs& aFs,

            CBaseMtm& aMtm,

            CUniDataUtils& aData,

            CEikRichTextEditor* aTextEditor );

        /**

        * Factory method that creates this object

        * from a text buffer.

        *

        * @since    3.1

        * @param    aData   IN reference to MsgData object

        * @param    aTextEditor IN text buffer from

        *                       which to create the object

        * @return   Pointer to instance

        */

        static CUniTextObject* NewL(

            RFs& aFs,

            CBaseMtm& aMtm,

            CUniDataUtils& aData,

            CEikRichTextEditor* aTextEditor );

        /**

        * Destructor

        *

        * @since    3.1

        */

        virtual ~CUniTextObject();

        /*

        * Size

        * Inherited from CUniObject

        *

        * @since    3.1

        * @param    aWithoutHeaders IN if ETrue include MIME headers' sizes

        *                           if EFalse count only file sizes

        * @return   Size of the object in bytes

        */

        virtual TInt Size( TBool aWithoutHeaders = ETrue );

        /*

        * SynchronizeSize

        * Count the accurate size of the text object if it would

        * be saved as a file.

        * Useful for UTF-8 text

        *

        *

        * @since    3.1

        * @return   Size of the object in bytes

        */

        TInt SynchronizeSize();

        /*

        * Text

        *

        * @since    3.1

        * @return   Pointer to text editor.

        */

        inline CEikRichTextEditor* Text() const;

        /*

        * SetText

        * Set text to save

        *

        * @since    3.1

        * @param    aTextEditor     IN pointer to text editor

        */

        inline void SetText( CEikRichTextEditor* aTextEditor );

    protected:

        /**

        * Constructor.

        *

        * @since    3.1

        */

        CUniTextObject(

            RFs& aFs,

            CBaseMtm& aMtm,

            CUniDataUtils& aData,

            CMsgTextInfo* aMedia );

        /**

        * 2nd phase constructor.

        *

        * @since    3.1

        */

        void ConstructL();

        /**

        * 2nd phase constructor.

        *

        * @since    3.1

        * @param    aData   IN reference to MsgData object

        * @param    aTextEditor IN text buffer from

        *                       which to create the object

        */

        void ConstructFromTextL( CEikRichTextEditor* aTextEditor );

        /**

        * Create file name for the object

        *

        * @since    3.1

        * @param    aBuffer IN text buffer from which to create file name

        * @param    aFileName   OUT created file name (without path)

        * @param    aData   IN reference to MsgData object

        */

        void CreateFileName( TFileName& aFileName );

        void InitializeTextSaveL();

        void CreateTextAttachmentL();

        void WriteToFileL();

        /**

        * Save

        * Inherited from CUniObject

        */

        virtual void Save(

            MUniObjectSaveObserver& aObserver,

            CMsvAttachment::TMsvAttachmentType aSaveType );

        /**

        * DoSaveL

        * Inherited from CUniObject

        */

        virtual void DoSaveL();

    protected: // data

        enum TMsgTextObjectSaveState

            {

            ETextSavingIdle,

            ETextCreatingAttachment,

            ETextWritingToFile

            };

        CEikRichTextEditor* iTextEditor;

        TInt iSyncCounter;

        TInt iSyncSize;

        TInt iSyncLength;

        TInt iPrevLength;

        TInt iTextSaveState;

        RFile* iEditFile;

    };

#include <UniTextObject.inl>

#endif // __UNITEXTOBJECT_H