/*

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

*

*/

#ifndef GLXHDMICONTROLLER_H_

#define GLXHDMICONTROLLER_H_

// Internal includes

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

class CGlxHdmiContainer;

class CGlxHdmiSurfaceUpdater;

class CGlxTv;

/*

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

 */

class CGlxHdmiController : public CBase,

                            public MGlxTvObserver              // for TV Out

    {

public:

    /*

     * NewLC 

     * @param1 - Image file path default to NULL

     */

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

    /*

     * Destructor

     */

    IMPORT_C ~CGlxHdmiController();

    /*

     * Update Image

     * @param1 - Image file path

     * @param2 - Image dimensions

     * @param3 - frame count

     */

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

    /*

     * To Determine it is a video and not image 

     */

    IMPORT_C void IsVideo();

    /*

     * Activating zoom in posting mode 

     */

    IMPORT_C void ActivateZoom();

    /*

     * Deactivating zoom in posting mode 

     */

    IMPORT_C void DeactivateZoom();

private:// From MGlxTvObserver

    virtual void HandleTvStatusChangedL ( TTvChangeType aChangeType );

private:

    /*

     * Constructor

     */

    CGlxHdmiController(const TDesC& aImageFile);

    /*

     * ConstructL 

     */

    void ConstructL();

    /*

     * Create the Hdmi Container 

     */

    void CreateHdmiContainerL();

    /*

     * Create surface updater and update background surface 

     * @param1 - Image file

     * @param2 - Image dimensions

     * @param3 - framecount

     */

    void CreateSurfaceUpdaterL(const TDesC& aImageFile, TSize aImageDimensions, 

            TInt aFrameCount);

    /*

     * To Destroy the surface updater if present

     */

    void DestroySurfaceUpdater();

    /*

     * Detroy the container 

     */

    void DestroyContainer();

    /*

     * 

     */

    void StoreImageInfoL(const TDesC& aImageFile,

            TSize aImageDimensions, TInt aFrameCount);

private:

    const TDesC& iImagePath;                        // Image path

    HBufC*  iStoredImagePath;

    TSize   iImageDimensions; 

    TInt    iFrameCount;

    CGlxHdmiContainer*      iHdmiContainer;

    CGlxHdmiSurfaceUpdater* iSurfaceUpdater;

    CGlxTv*  iGlxTvOut;

    };

#endif /* GLXHDMICONTROLLER_H_ */