happybirthdaysong.cpp Example File

 /****************************************************************************
 **
 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples 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 "happybirthdaysong.h"
 #include <QTimer>

 HappyBirthdaySong::HappyBirthdaySong(QObject *parent)
 : QObject(parent), m_line(-1)
 {
     setName(QString());
     QTimer *timer = new QTimer(this);
     QObject::connect(timer, SIGNAL(timeout()), this, SLOT(advance()));
     timer->start(1000);
 }

 void HappyBirthdaySong::setTarget(const QDeclarativeProperty &p)
 {
     m_target = p;
 }

 QString HappyBirthdaySong::name() const
 {
     return m_name;
 }

 void HappyBirthdaySong::setName(const QString &name)
 {
     m_name = name;

     m_lyrics.clear();
     m_lyrics << "Happy birthday to you,";
     m_lyrics << "Happy birthday to you,";
     m_lyrics << "Happy birthday dear " + m_name + ",";
     m_lyrics << "Happy birthday to you!";
     m_lyrics << "";
 }

 void HappyBirthdaySong::advance()
 {
     m_line = (m_line + 1) % m_lyrics.count();

     m_target.write(m_lyrics.at(m_line));
 }