/*

* Copyright (c) 2008 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:  Observer of accessory connection.

*

*/

#ifndef CFMRADIOACCESSORYCONNECTION_H

#define CFMRADIOACCESSORYCONNECTION_H

class TAccPolGenericIDArray;

class MFMRadioHeadsetEventObserver;

#include <e32base.h> // For CActive, link against: euser.lib

#include <AccessoryServer.h> //For RAccessoryServer session

#include <AccessoryConnection.h> //For RAccessoryConnection subsession

NONSHARABLE_CLASS( CFMRadioAccessoryConnection ) : public CActive

    {

public:

    // Cancel and destroy

    ~CFMRadioAccessoryConnection();

    // Two-phased constructor.

    static CFMRadioAccessoryConnection* NewL();

    /**

     * Sets observer. The observer will be notified when headset has been 

     * pressed or headset is connected/disconnected.

     *

     * @param aObserver Observer

     */

    void SetObserver( MFMRadioHeadsetEventObserver* aObserver );

    /**

     * Public boolean getter, return ETrue if 

     * a wired headset is connected

     */

    TBool WiredHeadsetConnected();

private:

    /**

     * C++ default constructor.

     */

    CFMRadioAccessoryConnection();

    /**

     * Static constructor.

     */

    void ConstructL();

    /**

     * Private boolean getter, return ETrue if 

     * a wired headset is found in array of connected accessories

     */

    TBool WiredHeadsetInArrayL();

    /**

     * Private boolean getter, return ETrue if 

     * a wired headset is found in first index of

     * array of connected accessories.

     */

    TBool WiredHeadsetFirstInArrayL();

    /**

     * From CActive

     *

     * @see CActive::RunL()

     */

    void RunL();

    /**

     * From CActive

     *

     * @see CActive::DoCancel()

     */        

    void DoCancel();

private:

    /** 

     * Instance that gets notifications of the headset state changes 

     */

    MFMRadioHeadsetEventObserver* iObserver;

    TBool iWiredHeadsetConnected;

    TInt iAccessoryCount;

    RAccessoryServer iAccessoryServer;

    RAccessoryConnection iAccessoryConnection;

    TAccPolGenericIDArray iAccessoryArray;

    };

#endif // CFMRADIOACCESSORYCONNECTION_H