chatclient.cpp Example File

 /****************************************************************************
 **
 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/
 **
 ** This file is part of the QtBluetooth module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** "Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "chatclient.h"

 #include <qbluetoothsocket.h>

 ChatClient::ChatClient(QObject *parent)
 :   QObject(parent), socket(0)
 {
 }

 ChatClient::~ChatClient()
 {
     stopClient();
 }

 void ChatClient::startClient(const QBluetoothServiceInfo &remoteService)
 {
     if (socket)
         return;

     // Connect to service
     socket = new QBluetoothSocket(QBluetoothSocket::RfcommSocket);
     qDebug() << "Create socket";
     socket->connectToService(remoteService);
     qDebug() << "ConnecttoService done";

     connect(socket, SIGNAL(readyRead()), this, SLOT(readSocket()));
     connect(socket, SIGNAL(connected()), this, SLOT(connected()));
     connect(socket, SIGNAL(disconnected()), this, SIGNAL(disconnected()));
 }

 void ChatClient::stopClient()
 {
     delete socket;
     socket = 0;
 }

 void ChatClient::readSocket()
 {
     if (!socket)
         return;

     while (socket->canReadLine()) {
         QByteArray line = socket->readLine();
         emit messageReceived(socket->peerName(),
                              QString::fromUtf8(line.constData(), line.length()));
     }
 }

 void ChatClient::sendMessage(const QString &message)
 {
     QByteArray text = message.toUtf8() + '\n';
     socket->write(text);
 }

 void ChatClient::connected()
 {
     emit connected(socket->peerName());
 }