1 /*

     2 * Copyright (c) 2008 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: 6 %

    19 

    20 

    21 #ifndef __CMPXVIDEOPLAYBACKDISPLAYHANDLER_H__

    22 #define __CMPXVIDEOPLAYBACKDISPLAYHANDLER_H__

    23 

    24 // INCLUDES

    25 

    26 #include <mpxmessage2.h>

    27 #include <MMFScalingCustomCommandConstants.h>

    28 

    29 #ifdef SYMBIAN_BUILD_GCE

    30 #include <mediaclientvideodisplay.h>

    31 #endif

    32 

    33 #include <mpxvideoplaybackdefs.h>

    34 

    35 //

    36 //  CLASS DECLARATION

    37 //

    38 class MMPXPlaybackUtility;

    39 class CMPXVideoPlaybackViewFileDetails;

    40 

    41 /*

    42  *  CMPXVideoPlaybackDisplayHandler

    43  *

    44  */

    45 class CMPXVideoPlaybackDisplayHandler : public CBase

    46 {

    47     //

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

    49     //

    50     typedef struct

    51     {

    52         TReal32         videoRatio;

    53         TReal32         screenRatio;

    54         TMMFScalingType scalingType;

    55     } TMPXAspectRatio ;

    56 

    57     public:

    58 

    59         ~CMPXVideoPlaybackDisplayHandler();

    60 

    61         static CMPXVideoPlaybackDisplayHandler* NewL( MMPXPlaybackUtility* aPlayUtil );

    62 

    63         void CreateDisplayWindowL( CWsScreenDevice& aScreenDevice, RWindow& aWin );

    64 

    65         void RemoveDisplayWindow();

    66 

    67         TMPXVideoDisplayCommand HandleVideoDisplayMessageL( CMPXMessage* aMessage );

    68 

    69         TInt SetAspectRatioL( TMPXVideoPlaybackCommand aCmd );

    70 

    71         TInt SetDefaultAspectRatioL( CMPXVideoPlaybackViewFileDetails* aFileDetails,

    72                                      TReal aDisplayAspectRatio );

    73 

    74     private:

    75 

    76         CMPXVideoPlaybackDisplayHandler( MMPXPlaybackUtility* aPlayUtil );

    77 

    78         void ConstructL();

    79 

    80         void LoadAspectRatioL();

    81 

    82         void SaveAspectRatioL();

    83 

    84 

    85 #ifdef SYMBIAN_BUILD_GCE

    86 

    87     private:

    88         void AddDisplayWindowL( CWsScreenDevice& aScreenDevice,

    89                                 RWindowBase& aWindowBase,

    90                                 RWindow* aWin );

    91 

    92         void SurfaceCreatedL( CMPXMessage* aMessage );

    93         void SurfaceChangedL( CMPXMessage* aMessage );

    94         void SurfaceRemoved();

    95         TInt SetNgaAspectRatioL( TMPXVideoPlaybackCommand aCmd );

    96 

    97 #endif

    98 

    99     private:

   100         MMPXPlaybackUtility*                iPlaybackUtility;

   101 

   102         RArray<TMPXAspectRatio>             iAspectRatioArray;

   103         TInt                                iCurrentIndexForAspectRatio;

   104         TReal                               iDisplayAspectRatio;

   105 

   106 #ifdef SYMBIAN_BUILD_GCE

   107         CMediaClientVideoDisplay*           iVideoDisplay;

   108 

   109         TBool                               iSurfaceCached;

   110         TSurfaceId                          iSurfaceId;

   111         TRect                               iCropRect;

   112         TVideoAspectRatio                   iAspectRatio;

   113         TReal32                             iScaleWidth;

   114         TReal32                             iScaleHeight;

   115         TInt                                iHorizontalPosition;

   116         TInt                                iVerticalPosition;

   117         TVideoRotation                      iRotation;

   118         TAutoScaleType                      iAutoScale;

   119 #endif

   120 

   121 };

   122 

   123 #endif // __CMPXVIDEOPLAYBACKDISPLAYHANDLER_H__