/*

* Copyright (c) 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: 

*

*/

#ifndef BTDELEGATEPOWER_H

#define BTDELEGATEPOWER_H

#include <e32base.h>

#include <btengsettings.h>

#include <btengconnman.h>

#include "btabstractdelegate.h"

class BtuiModel;

class HbAction;

/*!

    \class BtDelegatePower

    \brief the base class for handling Bluetooth power management.

    \\sa btuidelegate

 */

class BtDelegatePower : public BtAbstractDelegate, public MBTEngSettingsObserver, 

        public MBTEngConnObserver 

{

    Q_OBJECT

public:

    explicit BtDelegatePower(

            BtSettingModel* settingModel, 

            BtDeviceModel* deviceModel, QObject *parent = 0 );

    virtual ~BtDelegatePower();

    virtual void exec( const QVariant &params );

    //from MBTEngSettingsObserver

    virtual void PowerStateChanged( TBTPowerStateValue aState );

    virtual void VisibilityModeChanged( TBTVisibilityMode aState );

public slots:

    void btOnQuestionClose(HbAction *action);

    void btOnWarningClose();

    void disconnectDelegateCompleted(int err);

protected:

    //From MBTEngConnObserver

    virtual void ConnectComplete( TBTDevAddr& aAddr, TInt aErr, 

                                   RBTDevAddrArray* aConflicts );

    virtual void DisconnectComplete( TBTDevAddr& aAddr, TInt aErr );

private:

    void switchBTOn();

    void switchBTOff();

    bool checkOfflineMode(bool& btEnabledInOffline);

    void disconnectOngoingConnections();

private:

    CBTEngSettings* mBtengSettings;

    bool mActiveHandling; 

    TBTPowerStateValue mReqPowerState;

    BtAbstractDelegate* mDisconnectDelegate;

private:

    Q_DISABLE_COPY(BtDelegatePower)

};

#endif // BTDELEGATEPOWER_H