examples/battery-charge/battery-publisher/batterypublisher.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 25 Aug 2010 15:49:42 +0300
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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**   * Redistributions of source code must retain the above copyright
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**     notice, this list of conditions and the following disclaimer.
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**   * Redistributions in binary form must reproduce the above copyright
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**     notice, this list of conditions and the following disclaimer in
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**     the documentation and/or other materials provided with the
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**     distribution.
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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**     the names of its contributors may be used to endorse or promote
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**     products derived from this software without specific prior written
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**     permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "batterypublisher.h"
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#include "ui_batterypublisher.h"
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#include <qvaluespacepublisher.h>
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#include <QTimer>
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BatteryPublisher::BatteryPublisher(QWidget *parent)
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:   QDialog(parent), ui(new Ui::BatteryPublisher), chargeTimer(0)
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{
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    ui->setupUi(this);
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    publisher = new QValueSpacePublisher("/power/battery");
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    connect(ui->batteryCharge, SIGNAL(valueChanged(int)),
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            this, SLOT(chargeChanged(int)));
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    connect(ui->charging, SIGNAL(toggled(bool)),
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            this, SLOT(chargingToggled(bool)));
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    chargeChanged(ui->batteryCharge->value());
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}
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BatteryPublisher::~BatteryPublisher()
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{
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    delete ui;
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    delete publisher;
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}
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void BatteryPublisher::changeEvent(QEvent *e)
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{
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    QDialog::changeEvent(e);
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    switch (e->type()) {
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    case QEvent::LanguageChange:
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        ui->retranslateUi(this);
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        break;
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    default:
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        break;
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    }
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}
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void BatteryPublisher::timerEvent(QTimerEvent *)
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{
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    int newCharge = ui->batteryCharge->value() + 1;
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    ui->batteryCharge->setValue(newCharge);
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    if (newCharge >= 100)
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        ui->charging->setChecked(false);
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}
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void BatteryPublisher::chargeChanged(int newCharge)
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{
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    publisher->setValue("charge", newCharge);
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}
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void BatteryPublisher::chargingToggled(bool charging)
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{
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    ui->batteryCharge->setEnabled(!charging);
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    publisher->setValue("charging", charging);
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    if (charging)
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        chargeTimer = startTimer(2000);
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    else
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        killTimer(chargeTimer);
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}