bluetoothengine/btui/btuimodel/btdevicemodel.cpp
branchRCL_3
changeset 55 613943a21004
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btui/btuimodel/btdevicemodel.cpp	Tue Aug 31 15:25:10 2010 +0300
@@ -0,0 +1,212 @@
+/*
+* 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" );    
+}