QML PingPong example added

Example presents the socket communication between two Bluetooth
devices. The basic concept is the ping pong game, where coordinate
updates of the ball and pedals are sent via socket.

Change-Id: I61d8eb0baaa11c1485a923bb0a6ae6b89cd0e6a9
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>

1 files changed, 139 insertions, 0 deletions

diff --git a/examples/bluetooth/pingpong/pingpong.h b/examples/bluetooth/pingpong/pingpong.h
new file mode 100644
index 00000000..17fe176b
--- /dev/null
+++ b/examples/bluetooth/pingpong/pingpong.h
@@ -0,0 +1,139 @@
+/***************************************************************************
+**
+** Copyright (C) 2014 BlackBerry Limited. All rights reserved.
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples 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 Digia Plc 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef PINGPONG_H
+#define PINGPONG_H
+
+#include <QTimer>
+#include <QObject>
+#include <qbluetoothserver.h>
+#include <qbluetoothserviceinfo.h>
+#include <qbluetoothlocaldevice.h>
+#include <qbluetoothservicediscoveryagent.h>
+
+static const QString serviceUuid(QStringLiteral("e8e10f95-1a70-4b27-9ccf-02010264e9c9"));
+
+class PingPong: public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(float ballX READ ballX NOTIFY ballChanged)
+    Q_PROPERTY(float ballY READ ballY NOTIFY ballChanged)
+    Q_PROPERTY(float leftBlockY READ leftBlockY NOTIFY leftBlockChanged)
+    Q_PROPERTY(float rightBlockY READ rightBlockY NOTIFY rightBlockChanged)
+    Q_PROPERTY(bool showDialog READ showDialog NOTIFY showDialogChanged)
+    Q_PROPERTY(QString message READ message NOTIFY showDialogChanged)
+    Q_PROPERTY(int role READ role NOTIFY roleChanged)
+    Q_PROPERTY(int leftResult READ leftResult NOTIFY resultChanged)
+    Q_PROPERTY(int rightResult READ rightResult NOTIFY resultChanged)
+public:
+    PingPong();
+    ~PingPong();
+    float ballX() const;
+    float ballY() const;
+    float leftBlockY() const;
+    float rightBlockY() const;
+    void checkBoundaries();
+    void updateDirection();
+    bool showDialog() const;
+    QString message() const;
+    void setMessage(const QString &message);
+    int role() const;
+    int leftResult() const;
+    int rightResult() const;
+    void checkResult();
+
+public slots:
+    void startGame();
+    void update();
+    void setSize(const float &x, const float &y);
+    void updateBall(const float &bX, const float &bY);
+    void updateLeftBlock(const float &lY);
+    void updateRightBlock(const float &rY);
+    void startServer();
+    void startClient();
+    void clientConnected();
+    void clientDisconnected();
+    void serverConnected();
+    void serverDisconnected();
+    void socketError(QBluetoothSocket::SocketError);
+    void serverError(QBluetoothServer::Error);
+    void serviceScanError(QBluetoothServiceDiscoveryAgent::Error);
+    void done();
+    void addService(const QBluetoothServiceInfo &);
+    void readSocket();
+
+Q_SIGNALS:
+    void ballChanged();
+    void leftBlockChanged();
+    void rightBlockChanged();
+    void showDialogChanged();
+    void roleChanged();
+    void resultChanged();
+
+private:
+    QBluetoothServer *m_serverInfo;
+    QBluetoothServiceInfo m_serviceInfo;
+    QBluetoothSocket *socket;
+    QBluetoothServiceDiscoveryAgent *discoveryAgent;
+
+    float m_ballX;
+    float m_ballY;
+    float m_ballPreviousX;
+    float m_ballPreviousY;
+    float m_leftBlockY;
+    float m_rightBlockY;
+    QTimer *m_timer;
+    float m_boardWidth;
+    float m_boardHeight;
+    float m_direction;
+    float m_targetX;
+    float m_targetY;
+    int interval;
+    int m_resultLeft;
+    int m_resultRight;
+    bool m_showDialog;
+    QString m_message;
+    int m_role;
+    float m_proportionX;
+    float m_proportionY;
+    bool m_serviceFound;
+};
+
+#endif // PINGPONG_H