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();

    40 

    41     /*

    42      * Destructor

    43      */

    44     IMPORT_C ~CGlxHdmiController();

    45     

    46     /*

    47      * Update Image

    48      * @param1 - Image file path

    49      */

    50     IMPORT_C void SetImageL(const TDesC& aImageFile, TBool aStore = ETrue);

    51 

    52     /*

    53      * To intimate that the item is not supported.  

    54      */

    55     IMPORT_C void ItemNotSupported();

    56     

    57     /*

    58      * Activating zoom in posting mode 

    59      */

    60     IMPORT_C void ActivateZoom(TBool aAutoZoomOut);

    61     /*

    62      * Deactivating zoom in posting mode 

    63      */

    64     IMPORT_C void DeactivateZoom();

    65     

    66     /*

    67      * ShiftToCloningMode

    68      */

    69     IMPORT_C void ShiftToCloningMode();

    70     

    71     /*

    72      * ShiftToPostingMode

    73      */

    74     IMPORT_C void ShiftToPostingMode();

    75 

    76     /*

    77      * Tells if HDMi is Connected.

    78      */

    79     IMPORT_C TBool IsHDMIConnected();

    80 

    81 private:// From MGlxTvObserver

    82     virtual void HandleTvStatusChangedL ( TTvChangeType aChangeType );

    83 

    84 private:

    85     /*

    86      * Constructor

    87      */

    88     CGlxHdmiController();

    89     

    90     /*

    91      * ConstructL 

    92      */

    93     void ConstructL();

    94     

    95     /*

    96      * Create the Hdmi Container 

    97      */

    98     void CreateHdmiContainerL();

    99     

   100     /*

   101      * Create surface updater and update background surface 

   102      * @param1 - Image file     

   103      */

   104     void CreateSurfaceUpdaterL(const TDesC& aImageFile);

   105     

   106     /*

   107      * To Destroy the surface updater if present

   108      */

   109     void DestroySurfaceUpdater();

   110     

   111     /*

   112      * Detroy the container 

   113      */

   114     void DestroyContainer();

   115 

   116     /*

   117      * Stores the Image File name

   118      * @param1 - Image file

   119      */

   120     void StoreImageInfoL(const TDesC& aImageFile);

   121 

   122 private:

   123     HBufC*  iStoredImagePath;

   124     

   125     CGlxHdmiContainer*      iHdmiContainer;

   126     CGlxHdmiSurfaceUpdater* iSurfaceUpdater;

   127     CGlxTv*  iGlxTvOut;

   128     TBool iIsImageSupported;

   129 	TBool iIsPostingMode;

   130     };

   131 

   132 #endif /* GLXHDMICONTROLLER_H_ */