1 /*

     2 * Copyright (c) 2008-2009 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:    Handles & propogates UI state change notifications.

    15 *

    16 */

    17 

    18 #ifndef GLXHDMICONTROLLER_H_

    19 #define GLXHDMICONTROLLER_H_

    20 

    21 // Internal includes

    22 #include <mglxtvobserver.h>     // for inteface MGlxTvObserver

    23 

    24 class CGlxHdmiContainer;

    25 class CGlxHdmiSurfaceUpdater;

    26 class CGlxTv;

    27 

    28 /*

    29  * This class will be called from FS and Slideshow for its requirements 

    30  */

    31 class CGlxHdmiController : public CBase,

    32                             public MGlxTvObserver              // for TV Out

    33     {

    34 public:

    35     /*

    36      * NewLC 

    37      * @param1 - Image file path default to NULL

    38      */

    39     IMPORT_C static CGlxHdmiController* NewL(const TDesC& aImageFile = KNullDesC );

    40 

    41     /*

    42      * Destructor

    43      */

    44     IMPORT_C ~CGlxHdmiController();

    45     

    46     /*

    47      * Update Image

    48      * @param1 - Image file path

    49      * @param2 - Image dimensions

    50      * @param3 - frame count

    51      */

    52     IMPORT_C void SetImageL(const TDesC& aImageFile,TSize aImageDimensions, 

    53             TInt aFrameCount);

    54 

    55     /*

    56      * To Determine it is a video and not image 

    57      */

    58     IMPORT_C void IsVideo();

    59     

    60     /*

    61      * Activating zoom in posting mode 

    62      */

    63     IMPORT_C void ActivateZoom();

    64     /*

    65      * Deactivating zoom in posting mode 

    66      */

    67     IMPORT_C void DeactivateZoom();

    68 private:// From MGlxTvObserver

    69     virtual void HandleTvStatusChangedL ( TTvChangeType aChangeType );

    70 

    71 private:

    72     /*

    73      * Constructor

    74      */

    75     CGlxHdmiController(const TDesC& aImageFile);

    76     

    77     /*

    78      * ConstructL 

    79      */

    80     void ConstructL();

    81     

    82     /*

    83      * Create the Hdmi Container 

    84      */

    85     void CreateHdmiContainerL();

    86     

    87     /*

    88      * Create surface updater and update background surface 

    89      * @param1 - Image file

    90      * @param2 - Image dimensions

    91      * @param3 - framecount

    92      */

    93     void CreateSurfaceUpdaterL(const TDesC& aImageFile, TSize aImageDimensions, 

    94             TInt aFrameCount);

    95     

    96     /*

    97      * To Destroy the surface updater if present

    98      */

    99     void DestroySurfaceUpdater();

   100     

   101     /*

   102      * Detroy the container 

   103      */

   104     void DestroyContainer();

   105 

   106     /*

   107      * 

   108      */

   109     void StoreImageInfoL(const TDesC& aImageFile,

   110             TSize aImageDimensions, TInt aFrameCount);

   111 

   112 private:

   113     const TDesC& iImagePath;                        // Image path

   114     HBufC*  iStoredImagePath;

   115     TSize   iImageDimensions; 

   116     TInt    iFrameCount;

   117 

   118     CGlxHdmiContainer*      iHdmiContainer;

   119     CGlxHdmiSurfaceUpdater* iSurfaceUpdater;

   120     CGlxTv*  iGlxTvOut;

   121     };

   122 

   123 #endif /* GLXHDMICONTROLLER_H_ */