/*

* Copyright (c) 2006 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:  Implements the actual connection management, and receives 

*                notifications of Bluetooth connection events.

*

*/

#ifndef BTENGCONNHANDLER_H

#define BTENGCONNHANDLER_H

//#include <?include_file>

#include "btengactive.h"

#include "btengclient.h"

#include "btengclientserver.h"

class MBTEngConnObserver;

/**

 *  Class CBTEngConnHandler

 *

 *  ?more_complete_description

 *

 *  @lib ?library

 *  @since S60 v3.2

 */

NONSHARABLE_CLASS( CBTEngConnHandler ) : public CBase, public MBTEngActiveObserver

    {

public:

    /**

     * Two-phase constructor

     */

    static CBTEngConnHandler* NewL( MBTEngConnObserver* aObserver );

    /**

     * Destructor

     */

    virtual ~CBTEngConnHandler();

    /**

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     * @param ?arg2 ?description

     * @return ?description

     */

    inline TInt ConnectDevice( const TBTDevAddr& aAddr, 

                                const TBTDeviceClass& aDeviceClass  );

    /**

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     * @param ?arg2 ?description

     * @return ?description

     */

    inline TInt CancelConnectDevice( const TBTDevAddr& aAddr );

    /**

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     * @param ?arg2 ?description

     * @return ?description

     */

    inline TInt DisconnectDevice( const TBTDevAddr& aAddr, 

                                   TBTDisconnectType aDiscType );

    /**

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     * @param ?arg2 ?description

     * @return ?description

     */

    inline TInt IsDeviceConnected( const TBTDevAddr& aAddr, 

                                    TBTEngConnectionStatus& aConnected );

    /**

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     * @param ?arg2 ?description

     * @return ?description

     */

    inline TInt IsDeviceConnectable( const TBTDeviceClass& aDeviceClass, 

                                      TBool& aConnectable );

    /**

     * ?description

     *

     * @since S60 v5.1

     * @param ?arg1 ?description

     * @param ?arg2 ?description

     * @return ?description

     */

    inline TInt IsDeviceConnectable( const TBTDevAddr& aAddr, 

            const TBTDeviceClass& aDeviceClass, TBool& aConnectable );

    /**

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     * @param ?arg2 ?description

     * @return ?description

     */

    void GetConnectedAddressesL( RBTDevAddrArray& aAddrArray, 

                                  TBTProfile aConnectedProfile );

    /**

     * ?description

     *

     * @since S60 v3.2

     * @param ?arg1 ?description

     * @param ?arg2 ?description

     * @return ?description

     */

    TInt NotifyConnectionEvents( MBTEngConnObserver* aObserver );

    /**

     * ?description

     *

     * @since S60 v3.2

     * @return ?description

     */

    TInt CancelNotifyConnectionEvents();

    /**

     * Set a pairing observer in BTEngine.

     *

     * @since S60 v3.2

     * @param aAddr The address of the remote device that is being paired.

     * @param aActivate If ETrue, the observer will be activated, otherwise

     *                  the observer will be removed.

     * @return KErrNone on success, otherwise a system-wide error code.

     */

    static TInt SetPairingObserver( const TBTDevAddr& aAddr, TBool aActivate );

    /**

     * ?description

     *

     * @since S60 v3.2

     * @return ?description

     */

    inline TInt PrepareDiscovery();

    /**

     * Pair a device

     *

     * @since S60 v5.1

     * @param aAddr the address of the device to pair with

     * @param aDeviceClass the device class of the device to pair with

     * @return KErrNone if this request has been accepted; an error situation otherwise.

     */

    TInt StartPairing( const TBTDevAddr& aAddr, const TBTDeviceClass& aDeviceClass );

    /**

     * cancel the outstanding pairing request.

     */

    void CancelPairing();

private:

// from base class MBTEngActiveObserver

    /**

     * From MBTEngActiveObserver.

     * Handles the notification of a change in the connection status.

     *

     * @since S60 v3.2

     */

    virtual void RequestCompletedL( CBTEngActive* aActive, TInt aId, TInt aStatus );

    /**

     * From MBTEngActiveObserver.

     * Handles an error during processing of connection status event.

     *

     * @since S60 v3.2

     */

    virtual void HandleError( CBTEngActive* aActive, TInt aId, TInt aError );

private:

    /**

     * C++ default constructor

     */

    CBTEngConnHandler( MBTEngConnObserver* aObserver );

    /**

     * Symbian 2nd-phase constructor

     */

    void ConstructL();

    void HandleConnectionEvent( TInt aStatus );

private: // data

    /**

     * Client-server package to which the event result is copied.

     */

    TBTEngEventPkg iEventPkg;

    /**

     * Address of the remote device to pair with.

     */

    TBTDevAddrPckgBuf iPairAddr;

    /**

     * The CoD of the remote device to pair with.

     */

    TUint32 iPairDevCod;

    /**

     * Session with BTEng server side.

     */

    RBTEng iBTEng;

    /**

     * The actual active object for receiving event notifications.

     * Own.

     */

    CBTEngActive* iConnEventActive;

    /**

     * The actual active object for pairing a device.

     * Own.

     */

    CBTEngActive* iPairActive;

    /**

     * Reference to receiver of connection events.

     * Not own.

     */

    MBTEngConnObserver* iObserver;

    };

#include "btengconnhandler.inl"

#endif // BTENGCONNHANDLER_H