/*

* 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:    Header of Tv connection Observer class

*

*/

#ifndef GLXTVCONNECTIONOBSERVER_H

#define GLXTVCONNECTIONOBSERVER_H

#include <e32base.h>

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

// forward decelration

class CGlxTv;

class GlxTvOutWrapperPrivate;

/**

 * Class Description This class basically obseves the connection changes

 * 

 * Client shouldnt access this directly, meant to be used from GlxTvOutWrapperPrivate only

 * 

 */

class CGlxConnectionObserver : public CBase,

                public MGlxTvObserver

    {

public:

    /**

     * NewL() 

     * @param aTvWrapperPrivate GlxTvOutWrapperPrivate instance

     */

    static CGlxConnectionObserver* NewL(GlxTvOutWrapperPrivate* aTvWrapperPrivate);

    /**

     * destructor

     */

    ~CGlxConnectionObserver();

    /**

     * IsHdmiConnected()

     */

    TBool IsHdmiConnected();

private:

    /**

     * ConstructL

     */

    void ConstructL();

    /**

     * constructor 

     * @param aTvWrapperPrivate GlxTvOutWrapperPrivate Instance

     */

    CGlxConnectionObserver(GlxTvOutWrapperPrivate* aTvWrapperPrivate);

private:/// @see MGlxTvObserver

    void HandleTvStatusChangedL ( TTvChangeType aChangeType );

private:

    /// TvOut instance

    CGlxTv*                     iGlxTvOut;

    /// wrapper private instance

    GlxTvOutWrapperPrivate*     iTvWrapperPrivate;

    };

#endif // GLXTVCONNECTIONOBSERVER_H