/*

* 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:    Monitoring class of the Tv Out Connection

*

*/

/**

 * @internal reviewed 24/08/2007 by D Holland

 */

#ifndef __GLX_WNDWCONNECTION_MONITOR_H__

#define __GLX_WNDWCONNECTION_MONITOR_H__

// External Includes

#include <e32base.h>                // for CActive

#include <AknWsEventObserver.h>     // for MAknWsEventObserver

#include <AccessoryServer.h>        // for RAccessoryServer

#include <AccessoryMode.h>          // for RAccessoryMode

// Forward Declarations

class MGlxTvConnectionObserver;       

/**

 * Class Description

 * An Active object derived class is used to monitor the TV out connection

 * @author Loughlin

 */        

NONSHARABLE_CLASS(CGlxTvConnectionMonitor) : public CActive 

    {

public:

    /**

     * Static Symbian 2 stage constructor.

     */

    static CGlxTvConnectionMonitor* NewL(

                            MGlxTvConnectionObserver& aConnectionObserver);

    /**

     * Destructor.

     */

    ~CGlxTvConnectionMonitor();

private:

    /**

     * Standard C++ constructor

     */

    CGlxTvConnectionMonitor( 

                        MGlxTvConnectionObserver& aConnectionObserver);

    /*

     * Symbian second stage construction

     */

    void ConstructL(); 

public: // class member functions

    /*

     * Provides the caller with the current TV connetion state

     * @return The TV connection state

     */

    TBool IsConnected() const;

private: // From CActive

    /**

     * @ref CActive::RunL

     */	

	void RunL();

    /**

     * @ref CActive::DoCancel

     */	

	void DoCancel();

    /**

     * @ref CActive::RunError

     */    

    TInt RunError( TInt aError );    

private:

    /**

     * Requests TV on/off events 

     */        

    void IssueRequest();

    /**

     * Sends notification to observers when TV Out cable is connected

     */      

    void IssueNotificationL();

private: // class member data

    // Not owned: TV connection observer

    MGlxTvConnectionObserver& iConnectionObserver;

    // The (external device) Accessory Server

    RAccessoryServer iTvAccServer;

    // Accessory mode 

    RAccessoryMode iTvAccMode;

    // Accessory Mode structure - details the type of accessory

    TAccPolAccessoryMode iCurrentAccMode; 

    };

#endif // __GLX_WNDWCONNECTION_MONITOR_H__