/*

* Copyright (c) 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:   Implementation of video playback display handler

*

*/

// Version : %version:  12 %

#ifndef __VIDEOPLAYBACKDISPLAYHANDLER_H__

#define __VIDEOPLAYBACKDISPLAYHANDLER_H__

// INCLUDES

#include <mpxmessage2.h>

#include <MMFScalingCustomCommandConstants.h>

#include <mpxvideoplaybackdefs.h>

#include <mediaclientvideodisplay.h>

// 

//  CLASS DECLARATION

//

class CVideoContainer;

class MMPXPlaybackUtility;

class CMPXVideoViewWrapper;

class VideoPlaybackViewFileDetails;

/*

 *  CVideoPlaybackDisplayHandler

 *

 */

class CVideoPlaybackDisplayHandler : public CBase

{

    //

    //  To save user's preference for scaling type in video ratio + screen ratio

    //

    typedef struct

    {

        TReal32         videoRatio;

        TReal32         screenRatio;

        TMMFScalingType scalingType;

    } TMPXAspectRatio ;

    public:

        ~CVideoPlaybackDisplayHandler();

        static CVideoPlaybackDisplayHandler* NewL( MMPXPlaybackUtility* aPlayUtil,

                                                   CMPXVideoViewWrapper* aViewWrapper );

        void CreateDisplayWindowL( RWsSession& aWs,

                                   CWsScreenDevice& aScreenDevice,

                                   RWindow& aWin,

                                   TRect aDisplayRect );

        void RemoveDisplayWindow();

        void HandleVideoDisplayMessageL( CMPXMessage* aMessage );

        TInt SetAspectRatioL( TMPXVideoPlaybackCommand aCmd );

        TInt SetDefaultAspectRatioL( VideoPlaybackViewFileDetails* aFileDetails, 

                                     TReal32 aDisplayAspectRatio );

        void UpdateVideoRectL( TRect aRect, TBool transitionEffect );

    private:

        CVideoPlaybackDisplayHandler( MMPXPlaybackUtility* aPlayUtil,

                                      CMPXVideoViewWrapper* aViewWrapper );

        void ConstructL();

        void LoadAspectRatioL();

        void SaveAspectRatioL();

        void SetVideoRectL( TRect aClipRect );

        void CalculateVideoRectL();

        static TInt UpdateVideoRectTimeOutL( TAny* aPtr );

    private:

        void AddDisplayWindowL( CWsScreenDevice& aScreenDevice,

                                RWindowBase& aWindowBase,

                                RWindow* aWin );

        void SurfaceCreatedL( CMPXMessage* aMessage );

        void SurfaceChangedL( CMPXMessage* aMessage );

        void SurfaceRemoved();

        TInt SetNgaAspectRatioL( TMPXVideoPlaybackCommand aCmd );

    private:

        MMPXPlaybackUtility*                iPlaybackUtility;

        RArray<TMPXAspectRatio>             iAspectRatioArray;

        TInt                                iCurrentIndexForAspectRatio;

        TReal                               iDisplayAspectRatio;

        TRect                               iWindowRect;

        TReal32                             iTlXDiff;

        TReal32                             iTlYDiff;

        TReal32                             iBrXDiff;

        TReal32                             iBrYDiff;

        TInt                                iTransitionEffectCnt;

        CPeriodic*                          iResizingTimer;

        CMPXVideoViewWrapper*               iViewWrapper;

        CMediaClientVideoDisplay*           iVideoDisplay;

        RWindowBase*                        iWindowBase;

        TBool                               iSurfaceCached;

        TSurfaceId                          iSurfaceId;

        TRect                               iCropRect;

        TVideoAspectRatio                   iAspectRatio;

        TReal32                             iScaleWidth;

        TReal32                             iScaleHeight;

        TInt                                iHorizontalPosition;

        TInt                                iVerticalPosition;

        TVideoRotation                      iRotation;

        TAutoScaleType                      iAutoScale;

        CVideoContainer*                    iVideoContainer;

};

#endif // __VIDEOPLAYBACKDISPLAYHANDLER_H__