/*

* 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:   CUniEditorConvertVideoOperation class definition.      

*

*/

#ifndef __UNIEDITORCONVERTVIDEOOPERATION_H

#define __UNIEDITORCONVERTVIDEOOPERATION_H

// INCLUDES

#include <e32base.h>

#include <msvapi.h>

#include <uniobject.h>

#include <cmsvattachment.h>

#include "UniEditorOperation.h"

#include "VideoConversionApi.h"

// FORWARD DECLARATIONS

class CMsgVideoInfo; 

class CUniEditorDocument;

class MMsvAttachmentManager;

class CMsvStore;

// DATA TYPES

// CLASS DECLARATION

/**

* CUniEditorConvertVideoOperation

*

* @since 3.2

*/

class CUniEditorConvertVideoOperation : public CUniEditorOperation,

                                        public MVideoConversionCallback

    {

    public: // new operations

        /**

        * Factory method

        */

        static CUniEditorConvertVideoOperation* NewL( 

            MUniEditorOperationObserver& aObserver,

            CUniEditorDocument& aDocument,

            RFs& aFs );

        /**

        * Returns whether converter is implemented

        */

        static TBool IsImplementedL();

        /**

        * Start video convert operation

        *

        * @param aImageInfo

        * @param aAttachmentId  Attachment id, if the image is already stored as an attachment

        *                       KMsvNullIndexEntryId, otherwise.

        * @param aMessageSize

        */

        void Process(         CMsgVideoInfo* aVideoInfo,

        TMsvAttachmentId aAttachmentId,

        TInt aMessageSize );

        /**

        * Destructor

        */

        virtual ~CUniEditorConvertVideoOperation();

        /**

        * Detaches video info object.

        */

        CMsgVideoInfo* DetachVideoInfo();

        /**

        * Detaches attachment id

        */

        void DetachAttachmentId( TMsvAttachmentId& aAttachmentId );

    protected:

        /**

        * From CActive.

        */

        void RunL();

        /**

        * From CUniEditorOperation

        */

        void DoCancelCleanup();

        /**

        * From MVideoConversionCallback. Called when

        * video conversion has been completed by video

        * conversion plugin

        */

        void VideoConversionDone( TInt aStatus );

    private: // new operations

        /**

        * C++ constructor

        */

        CUniEditorConvertVideoOperation( MUniEditorOperationObserver& aObserver,

                                         CUniEditorDocument& aDocument,

                                         RFs& aFs );

        /**

        * 2nd phase constructor.

        */

        void ConstructL();

        /**

        * Creates empty attachment

        */

        void CreateEmptyAttachmentL();

        /**

        * Performs processing start

        */

        void DoStartProcessL();

        /**

        * Start resolving

        */

        void DoStartResolveL();

        /**

        * Performs actions when conversion is ready

        */

        void DoReady();

        /**

        * Performs error handling without state change.

        */

        void DoErrorWithoutStateChange();

        /**

        * Opens file by file name. If it fails with KErrPermissionDenied,

        * file is searched from message store and opened from there.

        */

        RFile OpenFileForReadingL();

    private: // data

        // assigned to iOperationState in base class

        enum TUniProcessStates

            {

            EUniConvertVidCheck,

            EUniConvertVidProcess,

            EUniConvertVidResolve,

            EUniConvertVidReady,

            EUniConvertVidError

            };

        TInt iTargetSize;    

        CMsgVideoInfo*              iVideoInfo;

        TMsvAttachmentId            iAttachmentId;

        CMsgVideoInfo*              iNewVideoInfo;

        RFile                       iNewVideoFile;

        TMsvAttachmentId            iNewAttaId;

        CMsvStore*                  iEditStore;

        CVideoConversionPlugin*     iConverter;

    };

#endif //__UNIEDITORCONVERTVIDEOOPERATION_H