/*

* Copyright (c) 2006,2007 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:   CUniEditorSaveOperation, asynchronous operation for object saving     

*

*/

#ifndef __UNIEDITORSAVEOPERATION_H

#define __UNIEDITORSAVEOPERATION_H

// INCLUDES

#include "UniMsvEntry.h"

#include "UniEditorOperation.h"

#include "UniEditorDocument.h"

// CONSTANTS

// MACROS

// FORWARD DECLARATIONS

class CMDXMLDocument;

class CUniEditorHeader;

class CMsgEditorView;

// DATA TYPES

// FUNCTION PROTOTYPES

// CLASS DECLARATION

/**

* CUniEditorSaveOperation, Storage for single attachment in presentation. 

*

* @since 3.2

*/

class CUniEditorSaveOperation : public CUniEditorOperation,

                                public MUniObjectSaveObserver,

                                public MUniSmilComposeObserver

    {

    public:  // New methods

        /**

        * Factory method that creates this object.

        *

        * @since    3.1

        * @param    aObserver

        * @return   Pointer to instance in cleanup stack

        */

        static CUniEditorSaveOperation* NewL(

            MUniEditorOperationObserver& aObserver,

            CUniEditorDocument& aDocument,

            CUniEditorHeader& aHeader,

            CMsgEditorView& aView,

            RFs& aFs );

        /**

        * Destructor

        */

        virtual ~CUniEditorSaveOperation();

        /**

        * Starts save operation

        */

        void Save( TUniSaveType aSaveType );

        /**

        * Start single object's save operation

        */

        void SaveL( CUniObject& aObject );

        /**

        * Detaches DOM object.

        */

        inline CMDXMLDocument* DetachDom();

    protected:

        /**

        * From CActive

        */

        void RunL();

        /**

        * From CActive

        */

       TInt RunError( TInt aError );

        /**

        * From MUniObjectSaveObserver

        */

        void ObjectSaveReady( TInt aError );

        /**

        * From MUniSmilComposeObserve

        */

        void SmilComposeEvent( TInt aError );

        /**

        * From CUniEditorOperation

        */

        void DoCancelCleanup();

    private:

        /**

        * Constructor.

        *

        * @since    3.1

        */

        CUniEditorSaveOperation( MUniEditorOperationObserver& aObserver,

                                 CUniEditorDocument& aDocument,

                                 CUniEditorHeader& aHeader,

                                 CMsgEditorView& aView,

                                 RFs& aFs );

        /**

        * 2nd phase constructor.

        *

        * @since    3.1

        */

        void ConstructL();

        /**

        * Performs save step

        */

        void DoSaveStepL();

        /**

        * Performs save checks

        */

        void DoSaveChecksL();

        /**

        * Saves object.

        */

        void DoSaveObjectL();

        /**

        * Saves attachments

        */

        void DoSaveAttachments();

        /** 

        * Composes SMIL

        */

        void DoComposeSmilL();

        /**

        * Finalizes save operation

        */

        void DoFinalizeSaveL();

        /**

        * Saves plugins

        */

        void DoSavePluginsL();

        /**

        * Checks disk space.

        */

        TBool CheckDiskSpaceL();

        /**

        * Creates description.

        *

        * @return Pointer to description buffer. NULL if description should not be updated.

        */

        HBufC* CreateDescriptionL();

        /**

        * Return ETrue if forward message, otherwise EFalse.

        */

        inline TBool IsForward() const;

    protected: // data

        // assigned to iOperationState

        enum TUniEditorSaveState

            {

            EUniEditorSaveCheck,

            EUniEditorSaveObjects,

            EUniEditorSaveAttachment,

            EUniEditorSaveSmilCompose,

            EUniEditorSaveFinalize,

            EUniEditorSavePlugins,

            EUniEditorSaveEnd,

            EUniEditorSaveError

            };

        CUniEditorHeader& iHeader;

        CMsgEditorView& iView;

        CMDXMLDocument* iDom;

        TUint32 iMaxMessageSize;

        TUniSaveType iSaveType;

        TBool iComposeSmil;

        CUniObject* iSavedObject;

        CMsvStore* iEditStore;

    };

#include "UniEditorSaveOperation.inl"

#endif // __MMSEDITORSAVEOPERATION_H