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path: root/demos/mobile/qtbubblelevel/main.cpp
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/******************************************************************************
 *
 * Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
 * All rights reserved.
 * Contact: Nokia Corporation (qt-info@nokia.com)
 *
 * $QT_BEGIN_LICENSE:BSD$
 * 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 the author organization 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 <COPYRIGHT HOLDER> 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 <QtDeclarative>
#include <QtGui>
#include <QAccelerometer>

#include "accelerometerfilter.h"
#include "settings.h"
#include "taskswitcher.h"

// Lock orientation in Symbian
#ifdef Q_OS_SYMBIAN
    #include <eikenv.h>
    #include <eikappui.h>
    #include <aknenv.h>
    #include <aknappui.h>
#endif

QTM_USE_NAMESPACE


int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

#ifdef Q_OS_SYMBIAN
    // Lock orientation to landscape in Symbian
    CAknAppUi* appUi = dynamic_cast<CAknAppUi*> (CEikonEnv::Static()->AppUi());
    TRAP_IGNORE(
        if (appUi)
            appUi->SetOrientationL(CAknAppUi::EAppUiOrientationLandscape);
    )
#endif

    //! [0]
    QDeclarativeView view;
    view.setSource(QUrl("qrc:/qml/BubbleLevel.qml"));
    view.setResizeMode(QDeclarativeView::SizeRootObjectToView);
    //! [0]

    // ![1]
    Settings settings;

    QAccelerometer sensor;
    AccelerometerFilter filter;
    sensor.addFilter(&filter);
    //! [1]

    //! [2]
    QObject *rootObject = dynamic_cast<QObject*>(view.rootObject());

    // Associate Qt / QML signals and slots
    QObject::connect(rootObject, SIGNAL(saveCorrectionAngle(const QVariant&)),
                     &settings, SLOT(saveCorrectionAngle(const QVariant&)));

    QObject::connect(&filter, SIGNAL(rotationChanged(const QVariant&)),
                     rootObject, SLOT(handleRotation(const QVariant&)));

    QObject::connect(&settings, SIGNAL(correctionAngle(const QVariant&)),
                     rootObject, SLOT(setCorrectionAngle(const QVariant&)));

    QObject::connect((QObject*)view.engine(), SIGNAL(quit()),
                     &app, SLOT(quit()));
    //! [2]

    //! [3]
#ifdef Q_WS_MAEMO_5
    TaskSwitcher taskSwitcher;

    QObject::connect(rootObject, SIGNAL(minimizeApplication()),
                     &taskSwitcher, SLOT(minimizeApplication()));

    // Show the task switcher button
    rootObject->setProperty("taskSwitcherVisible", true);
#endif
    //! [3]

    //! [4]
    // Read correction factor from permanent storage and emit it to QML side
    settings.loadAndEmitCorrectionAngle();

    // Begin measuring of the accelerometer sensor
    sensor.start();
    //! [4]

    //! [5]
#if defined(Q_WS_MAEMO_5) || defined(Q_OS_SYMBIAN) || defined(Q_WS_SIMULATOR)
    view.setGeometry(QApplication::desktop()->screenGeometry());
    view.showFullScreen();
#else
    view.setGeometry((QRect(100, 100, 800, 480)));
    view.show();
#endif
    //! [5]

    return app.exec();
}