1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   Implementation of video playback display handler

    15 *

    16 */

    17 

    18 // Version : %version:  11 %

    19 

    20 

    21 #ifndef __VIDEOPLAYBACKDISPLAYHANDLER_H__

    22 #define __VIDEOPLAYBACKDISPLAYHANDLER_H__

    23 

    24 // INCLUDES

    25 

    26 #include <mpxmessage2.h>

    27 #include <MMFScalingCustomCommandConstants.h>

    28 #include <mpxvideoplaybackdefs.h>

    29 #include <mediaclientvideodisplay.h>

    30 

    31 

    32 // 

    33 //  CLASS DECLARATION

    34 //

    35 class CVideoContainer;

    36 class MMPXPlaybackUtility;

    37 class CMPXVideoViewWrapper;

    38 class VideoPlaybackViewFileDetails;

    39 

    40 /*

    41  *  CMPXVideoPlaybackDisplayHandler

    42  *

    43  */

    44 class CMPXVideoPlaybackDisplayHandler : public CBase

    45 {

    46     //

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

    48     //

    49     typedef struct

    50     {

    51         TReal32         videoRatio;

    52         TReal32         screenRatio;

    53         TMMFScalingType scalingType;

    54     } TMPXAspectRatio ;

    55     

    56     public:

    57 

    58         ~CMPXVideoPlaybackDisplayHandler();

    59 

    60         static CMPXVideoPlaybackDisplayHandler* NewL( MMPXPlaybackUtility* aPlayUtil,

    61                                                       CMPXVideoViewWrapper* aViewWrapper );

    62 

    63         void CreateDisplayWindowL( RWsSession& aWs,

    64                                    CWsScreenDevice& aScreenDevice,

    65                                    RWindow& aWin,

    66                                    TRect aDisplayRect );

    67 

    68         void RemoveDisplayWindow();

    69 

    70         void HandleVideoDisplayMessageL( CMPXMessage* aMessage );

    71 

    72         TInt SetAspectRatioL( TMPXVideoPlaybackCommand aCmd );

    73         

    74         TInt SetDefaultAspectRatioL( VideoPlaybackViewFileDetails* aFileDetails, 

    75                                      TReal32 aDisplayAspectRatio );

    76 

    77         void UpdateVideoRectL( TRect aRect, TBool transitionEffect );

    78 

    79     private:

    80 

    81         CMPXVideoPlaybackDisplayHandler( MMPXPlaybackUtility* aPlayUtil,

    82                                          CMPXVideoViewWrapper* aViewWrapper );

    83 

    84         void ConstructL();

    85         

    86         void LoadAspectRatioL();

    87         

    88         void SaveAspectRatioL();

    89 

    90         void SetVideoRectL( TRect aClipRect );

    91 

    92         void CalculateVideoRectL();

    93 

    94         static TInt UpdateVideoRectTimeOutL( TAny* aPtr );

    95 

    96     private:

    97         void AddDisplayWindowL( CWsScreenDevice& aScreenDevice,

    98                                 RWindowBase& aWindowBase,

    99                                 RWindow* aWin );

   100 

   101         void SurfaceCreatedL( CMPXMessage* aMessage );

   102         void SurfaceChangedL( CMPXMessage* aMessage );

   103         void SurfaceRemoved();

   104         TInt SetNgaAspectRatioL( TMPXVideoPlaybackCommand aCmd );

   105 

   106     private:

   107         MMPXPlaybackUtility*                iPlaybackUtility;

   108 

   109         RArray<TMPXAspectRatio>             iAspectRatioArray;

   110         TInt                                iCurrentIndexForAspectRatio;

   111         TReal                               iDisplayAspectRatio;

   112 

   113         TRect                               iWindowRect;

   114 

   115         TReal32                             iTlXDiff;

   116         TReal32                             iTlYDiff;

   117         TReal32                             iBrXDiff;

   118         TReal32                             iBrYDiff;

   119 

   120         TInt                                iTransitionEffectCnt;

   121 

   122         CPeriodic*                          iResizingTimer;

   123         CMPXVideoViewWrapper*               iViewWrapper;

   124 

   125         CMediaClientVideoDisplay*           iVideoDisplay;

   126 

   127         RWindowBase*                        iWindowBase;

   128         TBool                               iSurfaceCached;

   129         TSurfaceId                          iSurfaceId;

   130         TRect                               iCropRect;

   131         TVideoAspectRatio                   iAspectRatio;

   132         TReal32                             iScaleWidth;

   133         TReal32                             iScaleHeight;

   134         TInt                                iHorizontalPosition;

   135         TInt                                iVerticalPosition;

   136         TVideoRotation                      iRotation;

   137         TAutoScaleType                      iAutoScale;

   138         CVideoContainer*                    iVideoContainer;

   139 };

   140 

   141 #endif // __VIDEOPLAYBACKDISPLAYHANDLER_H__