/*

* Copyright (c) 2004-2006 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: 

*

*

*/

#ifndef BTHIDPSKEYWATCHER_H_

#define BTHIDPSKEYWATCHER_H_

//  INCLUDES

#include <e32base.h>

#include <e32property.h>

class MMouseCursorStatusObserver;

/*

* An abstarct interface that defines a callback method

* for the hid mouse cursor observer. CursorStatusChangedL

* is called by CBTMouseCursorStatusObserver when the mouse device 

* connection state has changed. aStatus represents the new status 

* value.

*/

class MMouseCursorStatusObserver

    {

    public:

    virtual void MouseCursorStatusChangedL(TInt aStatus) = 0;

    };

/*

* An observer that monitors KPSUidBluetoothSapConnectionState

* P&S key. The clients can call SubscribeCursorStatusL in order to 

* get a chenged new SAP connection status returned via 

* MSapStatusObserver::SapStatusChangedL.

*/ 

class CBTMouseCursorStatusObserver : public CActive

    {

public:

    /**

    * Two-phased constructor.

    */

    static CBTMouseCursorStatusObserver* NewL();

    /**

    * Destructor.

    */

    virtual ~CBTMouseCursorStatusObserver();

    /**

    * Starts listening KPSUidBluetoothSapConnectionState P&S key.

    * When the key value is changed, the new state is indicated

    * through the observer interface (MSapStatusObserver).

    */

    void SubscribeMouseCursorStatusL(MMouseCursorStatusObserver* aObserver);

private:

    /**

    * Two-Phase constructor

    */

    void ConstructL();

    /**

    * Default constructor

    */

    CBTMouseCursorStatusObserver();

    // From CActive

    virtual void DoCancel();

    virtual void RunL();

private:

    MMouseCursorStatusObserver* iObserver;

    RProperty iProperty;

    };

#endif /* BTHIDPSKEYWATCHER_H_ */