/*

* Copyright (c) 2002-2007 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: State machine -based operation for mail editor view launching.

*

*/

#ifndef CMSGMAILLAUNCHOP_H

#define CMSGMAILLAUNCHOP_H

//  INCLUDES

#include "cmsgmailbaseop.h"

// DATA TYPES

// FORWARD DECLARATIONS

class CRichText;

class MMsgMailAppUiOpDelegate;

class CMsgMailRestoreSuperOp;

// CLASS DECLARATION

/**

* State machine -based operation for mail editor view launching.

* Operation consists e.g. of initialization, restoring body and

* attachments, executing view and finalizing operation. This operation

* needs to delegate some of its tasks to Editor App UI.

*/

NONSHARABLE_CLASS( CMsgMailLaunchOp ) : public CMsgMailBaseOp

    {

    protected:

        enum TLaunchState

            {

            EInitLaunch = EFirstFreeState, // initialization

            ERestoreBody, // restore message body

            EConvertLineBreaks, // convert body line breaks            

            ERestoreAllAttas, // restore attachments and atta msgs

            EExecuteView, // execute editor view

            EFinalize // finalize operation

            };

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aDocument Editor's document

        * @param aOpDelegate interface for delegating some tasks to app ui

        */

        static CMsgMailLaunchOp* NewL(

            CMsgMailEditorDocument& aDocument,

            MMsgMailAppUiOpDelegate& aOpDelegate );

        /**

        * Destructor. Cancels operation.

        */

        virtual ~CMsgMailLaunchOp();

    protected: // from CMsgMailBaseOp

        void SetNextState();

        void HandleStateActionL();

        void HandleOperationCancel();

    private:  // Implementation

        void InitLaunchL();

        void RestoreBodyL();

        void ConvertLineBreaksL();

        void RestoreAllAttasL();

        void ExecuteViewL();

        void FinalizeL();

        void ConvertLineBreaksL( CRichText& aRtf ) const;

    private:

        /**

        * Constructor.

        * @param aDocument Editor's document

        * @param aOpDelegate interface for delegating some tasks to app ui        

        */

        CMsgMailLaunchOp( CMsgMailEditorDocument& aDocument,

                          MMsgMailAppUiOpDelegate& aOpDelegate );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:

        // Body text, valid after initialization phase, not own

        CRichText* iBodyText;

        // For delegating some unmanageable tasks, not own

        MMsgMailAppUiOpDelegate& iOpDelegate;

        // Operation for adding attachments and attached messages

        CMsgMailRestoreSuperOp* iRestoreSuperOp;

    };

#endif      // CMSGMAILLAUNCHOP_H

// End of File