/*

* Copyright (c) 2007-2010 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:  Utility class to handle TV accessory events

*/

#ifndef CAMTVACCESSORYMONITOR_H

#define CAMTVACCESSORYMONITOR_H

#include <AknWsEventObserver.h>     // for MAknWsEventObserver

#include <AccessoryServer.h>        // for RAccessoryServer

#include <AccessoryMode.h>          // for RAccessoryMode

#include <AccessoryConnection.h>    // for RAccessoryConnection

#include <accpolgenericidarray.h> 

class MCamTvAccessoryObserver

    {

public:

    virtual void HandleTvAccessoryConnectedL() = 0;

    virtual void HandleTvAccessoryDisconnectedL() = 0;

    };

class CCamTvAccessoryMonitor : public CActive

    {

public:

    // Cancel and destroy

    ~CCamTvAccessoryMonitor();

    // Two-phased constructor.

    static CCamTvAccessoryMonitor* NewL( MCamTvAccessoryObserver* aObserver );

public:

    // Starts to listen to tv accessory events

    void StartListeningL();

    // Returns ETrue if TVOut cable is connected

    TBool IsTvOutCableConnected();

    // Returns ETrue if HDMI cable is connected

    TBool IsHdmiCableConnected();

private:

    // C++ constructor

    CCamTvAccessoryMonitor( MCamTvAccessoryObserver* aObserver );

    // Second-phase constructor

    void ConstructL();

private:

    // From CActive

    // Handle completion

    void RunL();

    // How to cancel me

    void DoCancel();

    // Override to handle leaves from RunL(). Default implementation causes

    // the active scheduler to panic.

    TInt RunError(TInt aError);

private:

    MCamTvAccessoryObserver* iObserver;

    TBool iTvOutConnectionState;

    TBool iHDMIConnectionState;

    RAccessoryServer iTvAccServer;

    RAccessoryMode iTvAccMode;

    RAccessoryConnection iTvAccCon;

    TAccPolGenericIDArray iCurrentAccArray;

    TAccPolAccessoryMode iPolAccMode;

    TAccMode iPreviousMode;

    };

#endif // CAMTVACCESSORYMONITOR_H