/*

* 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: 

*

*/

#include "btuimodeltypes.h"

#include <btdevicemodel.h>

#include <e32base.h>

#include <btservices/btdevrepository.h>

#include <btservices/devdiscoveryobserver.h>

class CAdvanceDevDiscoverer;

/*!

    \class BtDeviceData

    \brief class for providing remote device data.

    BtDeviceData class is responsible for providing the latest information

    regarding the properties of remote devices.

    \\sa bluetoothuimodel

 */

class BtDeviceModelPrivate : public QObject,

                     public MBtDevRepositoryObserver,

                     public MDevDiscoveryObserver

{

    Q_OBJECT

public:

    explicit BtDeviceModelPrivate( BtDeviceModel& model, QObject *parent = 0 );

    virtual ~BtDeviceModelPrivate();

    bool isValid( int row, int col ) const;

    int rowCount() const;

    int columnCount() const;

    void data(QVariant& val, int row, int col, int role ) const;

    BtuiModelDataItem itemData( int row, int col ) const;

    bool searchDevice();

    void cancelSearchDevice();

    void removeTransientDevices();

private:

    // From MBtDeviceRepositoryObserver

    void RepositoryInitialized();

    void DeletedFromRegistry( const TBTDevAddr& addr );

    void AddedToRegistry( const CBtDevExtension& dev );

    void ChangedInRegistry( const CBtDevExtension& dev, TUint similarity  ); 

    void ServiceConnectionChanged(

            const CBtDevExtension& dev, TBool connected );

    // from MDevDiscoveryObserver

    void HandleNextDiscoveryResultL( 

            const TInquirySockAddr& inqAddr, const TDesC& name );

    void HandleDiscoveryCompleted( TInt error );

signals:

    void deviceDataChanged( int row, void *parent );

    void deviceDataChanged( int first, int last, void *parent );

    void beginInsertDevices(int first, int last, void *parent);

    void endInsertDevices();

    void beginRemoveDevices(int first, int last, void *parent);

    void endRemoveDevices();

    void deviceSearchCompleted( int error );

public slots:

    //void activeRequestCompleted( int status, int id );

private:

    void initializeDataStore();

    void updateDeviceProperty(BtuiModelDataItem& qtdev,

            const CBtDevExtension& dev, TUint similarity );

    int indexOf( const TBTDevAddr& addr ) const;

    void updateRssi(BtuiModelDataItem& qtdev, int rssi );

    void updateSeqNum(BtuiModelDataItem& qtdev, int seqNum );

    void setMajorProperty( BtuiModelDataItem& qtdev, int prop, bool addto);

    bool isDeviceInRange( const BtuiModelDataItem& qtdev );

    bool isDeviceInRegistry( const BtuiModelDataItem& qtdev );

private:

    BtuiModelDataSource mData;

    BtDeviceModel& mModel;

    CBtDevRepository* mDeviceRepo;

    CAdvanceDevDiscoverer* mDiscover;

    bool isSearchingDevice;

    int mSeqNum;         // sequence number based on order the device is found during search

    Q_DISABLE_COPY(BtDeviceModelPrivate)

};