/*

* 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

*

*/

#ifndef __CMPXVIDEOPLAYBACKDISPLAYHANDLER_H__

#define __CMPXVIDEOPLAYBACKDISPLAYHANDLER_H__

// INCLUDES

#include <mpxmessage2.h>

#include <mmfscalingcustomcommandconstants.h>

#include <mpxvideoplaybackdefs.h>

#ifdef SYMBIAN_BUILD_GCE

#include <mediaclientvideodisplay.h>

#else

#include <w32std.h>

#endif

// 

//  CLASS DECLARATION

//

class MMPXPlaybackUtility;

class CMPXVideoViewWrapper;

class QMPXVideoPlaybackViewFileDetails;

/*

 *  CMPXVideoPlaybackDisplayHandler

 *

 */

class CMPXVideoPlaybackDisplayHandler : public CBase

#ifndef SYMBIAN_BUILD_GCE

                                      , public MDirectScreenAccess

#endif

{

    //

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

    //

    typedef struct

    {

        TReal32         videoRatio;

        TReal32         screenRatio;

        TMMFScalingType scalingType;

    } TMPXAspectRatio ;

    public:

        ~CMPXVideoPlaybackDisplayHandler();

        static CMPXVideoPlaybackDisplayHandler* 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( QMPXVideoPlaybackViewFileDetails* aFileDetails, 

        void UpdateVideoRectL(  TRect aRect, TBool transitionEffect  );

    private:

        CMPXVideoPlaybackDisplayHandler( MMPXPlaybackUtility* aPlayUtil,

                                         CMPXVideoViewWrapper* aViewWrapper );

        void ConstructL();

        void LoadAspectRatioL();

        void SaveAspectRatioL();

        void SetVideoRectL( TRect aClipRect );

        void CalculateVideoRectL();

        static TInt UpdateVideoRectTimeOutL( TAny* aPtr );

#ifdef SYMBIAN_BUILD_GCE

    private:

        void AddDisplayWindowL( CWsScreenDevice& aScreenDevice,

                                RWindowBase& aWindowBase,

                                RWindow* aWin );

        void SurfaceCreatedL( CMPXMessage* aMessage );

        void SurfaceChangedL( CMPXMessage* aMessage );

        void SurfaceRemoved();

        TInt SetNgaAspectRatioL( TMPXVideoPlaybackCommand aCmd );

#else

    private:

        //

        //  MDirectScreenAccess Implementation

        //

        void AbortNow( RDirectScreenAccess::TTerminationReasons aReason );

        void Restart( RDirectScreenAccess::TTerminationReasons aReason );

        TInt CreateAspectRatioCommandL( TMPXVideoPlaybackCommand aCmd );

        void SetDisplayWindowL( RWsSession& aWs,

                                CWsScreenDevice& aScreenDevice,

                                RWindowBase& aWin,

                                TRect aClipRect );

        void RestartDsaL();

        void CreateAbortDsaCmdL();

#endif

    public:

        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;

#ifdef SYMBIAN_BUILD_GCE

        CMediaClientVideoDisplay*           iVideoDisplay;

        RWindowBase*                        iWindowBase;

        TBool                               iSurfaceCached;

        TSurfaceId                          iSurfaceId;

        TRect                               iCropRect;

        TVideoAspectRatio                   iAspectRatio;

        TReal32                             iScaleWidth;

        TReal32                             iScaleHeight;

        TInt                                iHorizontalPosition;

        TInt                                iVerticalPosition;

        TVideoRotation                      iRotation;

        TAutoScaleType                      iAutoScale;   

#else

        CDirectScreenAccess*                iDirectScreenAccess;

#endif

};

#endif // __CMPXVIDEOPLAYBACKDISPLAYHANDLER_H__