/*

* Copyright (c) 2008-2009 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:    Saves the thumbnail

*

*/

#ifndef C_GLXTHUMBNAILSAVER_H__

#define C_GLXTHUMBNAILSAVER_H__

#include<e32def.h>

#include<e32base.h>

#include<f32file.h>

class CFbsBitmap;

class CGlxDefaultThumbnailContext;

class CImageEncoder;

class CFbsBitGc;

//  CLASS DEFINITION

/**

 * Observer for the thumbnail save activity

 */

class  MGlxThumbnailSaveComplete

    {

public:     

    /**

    * Informs the completion of file save

    * @param a aPath contains the file path

    * @return none

    */    

    virtual void HandleFileSaveCompleteL(const TDesC& aPath) = 0;

    };

//  CLASS DEFINITION

/**

 * Thumbnail saver class 

 */

NONSHARABLE_CLASS( CGlxThumbnailSaver ):public CActive

    {

public:

    /**

    * Two-phased constructor.

    */

    static CGlxThumbnailSaver* NewL(MGlxThumbnailSaveComplete* aObserver);

    /**

    * Destructor.

    */

    ~CGlxThumbnailSaver();

    /**

    * Creates the video overlay icon 

    * @return none

    */

    void CreateVideoIconL(CFbsBitmap* aThumbnail);

    /**

    * Creates the default video overlay icon

    * @return none

    */

    void CreateDefaultVideoIconL();

    /**

    * Creates the default image overlay icon

    * @return none

    */

    void CreateDefaultImageIconL();

private:

    /**

    * Constructor 

    * @return none

    */

    CGlxThumbnailSaver(MGlxThumbnailSaveComplete* aObserver);

    /**

    * Symbian 2-phase constructor 

    * @return none

    */

    void ConstructL(); 

    /**

    * Creates the video strip icon 

    * @return none

    */    

    void CreateVideoStripIconL();

    /**

    * Active objects request completion event

    */

    void RunL();

    /**

    * Cancellation of a request

    */ 	    

    void DoCancel();

private:   

    //File server session instance

    RFs iFs;

    //videostrip ,This will be overlayed on the video thumbnail

    CFbsBitmap* iVideoStrip;

    //video strip mask ,used to create the video strip icon from the mif file

    CFbsBitmap* iVideoStripMask;

    //image encoder,used for the video overlay icon saving

    CImageEncoder* iImageEncoder;

    //temporay bitmap

    //used to blit the overlay icon and the thumnail of the video

    CFbsBitmap* iTempBitmap;

    //  Observer which informs the renderer class  about the completion of the  thumbnail save

    MGlxThumbnailSaveComplete* iObserver;

    };

#endif