/*

* 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:  

*       CMmsViewerLaunchOperation, asynchronous operation for object saving

*

*/

#ifndef __MMSVIEWERLAUNCHOPERATION_H

#define __MMSVIEWERLAUNCHOPERATION_H

// INCLUDES

#include <e32base.h>

#include <e32std.h>

#include <msgasynccontrolobserver.h>    

#include <unislideloader.h>

#include "UniMmsViewerDocument.h"

#include "MmsViewerOperation.h"

// CONSTANTS

// MACROS

// FORWARD DECLARATIONS

class CMsgEditorView;

class CMmsViewerHeader;

// DATA TYPES

// FUNCTION PROTOTYPES

// CLASS DECLARATION

/**

* CMmsViewerLaunchOperation, Storage for single attachment in presentation. 

*

* @since 2.0

*/

class CMmsViewerLaunchOperation :   public CMmsViewerOperation,

                                    public MMmsDocumentObserver,

                                    public MUniSlideLoaderObserver

    {

    public:  // New methods

        /**

        * Factory method that creates this object.

        *

        * @since    3.0

        */

        CMmsViewerLaunchOperation(

            MUniObjectObserver*         aUniObjectObserver,

            MMsgAsyncControlObserver&   aControlObserver,

            MMmsViewerOperationObserver& aOperationObserver,

            CMmsViewerDocument& aDocument,

            CMsgEditorView& aView,

            RFs& aFs );

        /**

        * Destructor

        *

        * @since    3.0

        */

        virtual ~CMmsViewerLaunchOperation();

        /**

        *

        */

        void Launch();

        inline CMmsViewerHeader* DetachHeader();

        inline CUniSlideLoader* DetachSlideLoader();

        inline TInt ParseResult();

    private:

        void DoLaunchStepL();

        void DoInitializeL();

        void DoPrepareHeaderL();

        void DoPrepareBodyL();

        void DoPrepareErrorResponseMessageL();

        void DoPrepare3GPPBodyL();

        /**

        * From CActive

        */

        void DoCancel();

        /**

        * From CActive

        */

        void RunL();

        /**

        * From CActive

        */

        TInt RunError( TInt aError );

        void InitializeReady( TInt aParseResult, TInt aError );

        void SlideLoadReady( TInt aError );

    protected: 

        /**

        * 2nd phase constructor.

        *

        * @since    2.0

        */

        void ConstructL();

    private:

    protected: // data

        enum TMmsLaunchState

            {

            EMmsLaunchInitialize = 0,

            EMmsLaunchPrepareHeader,

            EMmsLaunchPrepareBody,

            EMmsLaunchEnd

            };

        MMsgAsyncControlObserver&   iControlObserver;

        CUniSlideLoader*            iSlideLoader;

        CMsgEditorView&             iView;

        CMmsViewerHeader*           iHeader;

        TInt                        iLaunchState;

        TInt                        iParseResult;

        TInt                        iError;

        TBool                       iIsInitialised;

        MUniObjectObserver*         iUniObjectObserver;

    };

inline CMmsViewerHeader* CMmsViewerLaunchOperation::DetachHeader()

    {

    CMmsViewerHeader* header = iHeader;

    iHeader = NULL;

    return header;

    }

inline CUniSlideLoader* CMmsViewerLaunchOperation::DetachSlideLoader()

    {

    CUniSlideLoader* slideLoader = iSlideLoader;

    iSlideLoader = NULL;

    return slideLoader;

    }

inline TInt CMmsViewerLaunchOperation::ParseResult()

    {

    return iParseResult;

    }

#endif // __MMSVIEWERLAUNCHOPERATION_H