/*

* Copyright (c) 2008 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:   Seek or trickplay

 *

*/

// Version : %version: 3 %

#ifndef _MPXVIDEOSEEKER_H

#define _MPXVIDEOSEEKER_H

//  INCLUDES

#include <e32base.h>

#include "mpxhelixplaybackplugindefs.h"

// FORWARD DECLARATIONS

class CMPXVideoPlaybackController;

// CLASS DECLARATION

NONSHARABLE_CLASS(CMPXVideoSeeker) : public CBase

{

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CMPXVideoSeeker* NewL( CMPXVideoPlaybackController* aVideoPlaybackCtlr );

        /**

        * Destructor.

        */

        virtual ~CMPXVideoSeeker();

    public: // New functions

        /**

        * Start seeking

        * @param aForward Seeking direction

        * @param aClipLength Clips length

        * @return void

        */

        void StartSeekingL( TBool aForward,

                            TMPXVideoPlaybackState aState,

                            TInt64 aPosition,

                            TInt64 aDuration );

        /**

        * Stops seeking

        * @return void

        */

        void StopSeekingL();

    private:

        /**

        * C++ default constructor.

        */

        CMPXVideoSeeker( CMPXVideoPlaybackController* aVideoPlaybackCtlr );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:

        /**

        * Timer callback for stopping trick play

        * @return KErrNone

        */        

        static TInt StopTrickPlay( TAny* aPtr );

        /**

        * stop trick play after 5 sec

        * @return void

        */        

        void DoStopTrickPlay();        

        /**

        * convert to seeking from trick play

        * @return void

        */  

        void ConvertToSeeking();

        /**

        * Timer callback for updating position info

        * @return KErrNone

        */        

        static TInt UpdatePosition( TAny* aPtr );

        /**

        * Update position info

        * @return void

        */        

        void DoUpdatePosition();

    private:    // Data

        TBool                        iForward;

        TMPXVideoPlaybackState       iPreviousState;

        TInt                         iIncrements;

        TInt64                       iPosition;

        TInt64                       iDuration;

        CPeriodic*                   iSeekTimer;

        CPeriodic*                   iTrickPlayTimer;

        CMPXVideoPlaybackController* iVideoPlaybackCtlr;

};

#endif      // _MPXVIDEOSEEKER_H

// End of File