/*

* 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 <btdevicemodel.h>

#include "btdevicemodel_p.h"

#include "bluetoothuitrace.h"

/*!

    This Constructor creates new instances of model data structure.

 */

BtDeviceModel::BtDeviceModel( QObject *parent )

    : QAbstractItemModel( parent )

{

   d = QSharedPointer<BtDeviceModelPrivate>( new BtDeviceModelPrivate( *this ) );

   connectModelSignals();

}

/*!

    This Constructor shares the private implementation of the device model.

 */

BtDeviceModel::BtDeviceModel( const BtDeviceModel &model, QObject *parent )

    : QAbstractItemModel( parent )

{

    d = model.d;

    connectModelSignals();

}

/*!

    Destructor.

 */

BtDeviceModel::~BtDeviceModel()

{

}

/*!

    Requests the model to searching Bluetooth devices.

    \return true if the request is accepted; false otherwise

 */

bool BtDeviceModel::searchDevice()

{

    return d->searchDevice();

}

/*!

    Cancels a possible outstanding device search request.

 */

void BtDeviceModel::cancelSearchDevice()

{

    d->cancelSearchDevice();

}

/*!

    Removes transient (not-in-registry) devices 

    which were added as the result of device search.

 */

void BtDeviceModel::removeTransientDevices()

{

    d->removeTransientDevices();

}

/*!

    \reimp

 */

QModelIndex BtDeviceModel::index( int row, int column, const QModelIndex &parent ) const

{

    Q_UNUSED( parent );

    if ( d->isValid( row, column ) ) {

        return createIndex( row, column, d.data() );

    }

    // invalid row and column:

    return QModelIndex();

}

/*!

    \reimp

 */

QModelIndex BtDeviceModel::parent( const QModelIndex &child ) const

{

    Q_UNUSED( child );

    // root level, no parent.

    return QModelIndex();

}

/*!

    \reimp

 */

int BtDeviceModel::rowCount( const QModelIndex &parent ) const

{

    Q_UNUSED( parent );

    return d->rowCount();

}

/*!

    \reimp

 */

int BtDeviceModel::columnCount( const QModelIndex &parent ) const

{

    Q_UNUSED( parent );

    return d->columnCount();

}

/*!

    \reimp

 */

QVariant BtDeviceModel::data( const QModelIndex &index, int role ) const

{

    QVariant val( QVariant::Invalid );

    d.data()->data( val, index.row(), index.column(), role );

    return val;

}

QMap<int, QVariant> BtDeviceModel::itemData( const QModelIndex & index ) const

{

    return  d.data()->itemData( index.row(), index.column() );

}

/*!

    emits dataChanged signal.

 */

void BtDeviceModel::deviceDataChanged( int row, void *parent )

{

    QModelIndex idx = createIndex( row, 0, parent );

    emit dataChanged( idx, idx );

}

/*!

    emits dataChanged signal.

 */

void BtDeviceModel::deviceDataChanged( int first, int last, void *parent )

{

    QModelIndex top = createIndex( first, 0, parent );

    QModelIndex bottom = createIndex( last, 0, parent );

    emit dataChanged( top, bottom );

}

/*!

    call beginInsertRows.

 */

void BtDeviceModel::beginInsertDevices(int first, int last, void *parent)

{

    Q_UNUSED( parent);

    beginInsertRows(QModelIndex(), first, last); 

}

/*!

    calls endInsertRows.

 */

void BtDeviceModel::BtDeviceModel::endInsertDevices()

{

    endInsertRows();

}

/*!

    calls beginRemoveRows.

 */

void BtDeviceModel::beginRemoveDevices(int first, int last, void *parent)

{

    Q_UNUSED( parent);

    beginRemoveRows(QModelIndex(), first, last); 

}

/*!

    calls endRemoveRows.

 */

void BtDeviceModel::endRemoveDevices()

{

    endRemoveRows();

}

/*!

    emits deviceSearchCompleted signal.

 */

void BtDeviceModel::emitDeviceSearchCompleted( int error )

{

    emit deviceSearchCompleted( error );

}

/*!

 connects all signals of private impl to slots of this

 */

void BtDeviceModel::connectModelSignals()

{

    bool ok = connect(d.data(), SIGNAL(deviceDataChanged(int,void*)), SLOT(deviceDataChanged(int,void*)));

    BTUI_ASSERT_X( ok, "BtDeviceModel", "deviceDataChanged can't connect" );

    ok = connect(d.data(), SIGNAL(deviceDataChanged(int,int,void*)), SLOT(deviceDataChanged(int,int,void*)));

    BTUI_ASSERT_X( ok, "BtDeviceModel", "deviceDataChanged can't connect 2" );

    ok = connect(d.data(), SIGNAL(beginInsertDevices(int,int,void*)), SLOT(beginInsertDevices(int,int,void*)));

    BTUI_ASSERT_X( ok, "BtDeviceModel", "beginInsertDevices can't connect" );

    ok = connect(d.data(), SIGNAL(endInsertDevices()), SLOT(endInsertDevices()));

    BTUI_ASSERT_X( ok, "BtDeviceModel", "endInsertDevices can't connect" );    

    ok = connect(d.data(), SIGNAL(beginRemoveDevices(int,int,void*)), SLOT(beginRemoveDevices(int,int,void*)));

    BTUI_ASSERT_X( ok, "BtDeviceModel", "beginRemoveDevices can't connect" );

    ok = connect(d.data(), SIGNAL(endRemoveDevices()), SLOT(endRemoveDevices()));

    BTUI_ASSERT_X( ok, "BtDeviceModel", "endRemoveDevices can't connect" );

    ok = connect(d.data(), SIGNAL(deviceSearchCompleted(int)), SLOT(emitDeviceSearchCompleted(int)));

    BTUI_ASSERT_X( ok, "BtDeviceModel", "emitDeviceSearchCompleted can't connect" );    

}