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Diffstat (limited to 'examples/sensors/grue/plugin/gruesensorimpl.cpp')
-rw-r--r-- | examples/sensors/grue/plugin/gruesensorimpl.cpp | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/examples/sensors/grue/plugin/gruesensorimpl.cpp b/examples/sensors/grue/plugin/gruesensorimpl.cpp deleted file mode 100644 index e7152a67..00000000 --- a/examples/sensors/grue/plugin/gruesensorimpl.cpp +++ /dev/null @@ -1,140 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtSensors 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 "gruesensorimpl.h" -#include <QDebug> -#include <QTimer> - -char const * const gruesensorimpl::id("grue.gruesensor"); - -gruesensorimpl::gruesensorimpl(QSensor *sensor) - : QSensorBackend(sensor) - , lightLevel(QAmbientLightReading::Undefined) -{ - // We need a light sensor - lightSensor = new QAmbientLightSensor(this); - connect(lightSensor, SIGNAL(readingChanged()), this, SLOT(lightChanged())); - lightSensor->connectToBackend(); - - // We need a timer - darkTimer = new QTimer(this); - darkTimer->setInterval(1000); - connect(darkTimer, SIGNAL(timeout()), this, SLOT(increaseChance())); - - // We use this as our timestamp source - timer.start(); - -//! [setReading] - // Register our reading instance - setReading<GrueSensorReading>(&m_reading); -//! [setReading] - -//! [metadata] - // Supply metadata - // We can run as fast as the light sensor does - setDataRates(lightSensor); - // Only one output range, 0 to 1 in .1 increments - addOutputRange(0, 1, 0.1); - setDescription(QLatin1String("Grue Sensor")); -//! [metadata] -} - -void gruesensorimpl::start() -{ -//! [start] - lightSensor->setDataRate(sensor()->dataRate()); - lightSensor->start(); - // If the light sensor doesn't work we don't work either - if (!lightSensor->isActive()) - sensorStopped(); - if (lightSensor->isBusy()) - sensorBusy(); -//! [start] -} - -void gruesensorimpl::stop() -{ - lightSensor->stop(); -} - -void gruesensorimpl::lightChanged() -{ - if (lightLevel == lightSensor->reading()->lightLevel()) - return; - - lightLevel = lightSensor->reading()->lightLevel(); - - int chance = 0; - darkTimer->stop(); - - switch (lightSensor->reading()->lightLevel()) { - case QAmbientLightReading::Dark: - // It is dark. You are likely to be eaten by a grue. - chance = 10; - darkTimer->start(); - break; - default: - break; - } - - // Only send an update if the value has changed. - if (chance != m_reading.chanceOfBeingEaten() || m_reading.timestamp() == 0) { - m_reading.setTimestamp(timer.elapsed()); - m_reading.setChanceOfBeingEaten(chance); - newReadingAvailable(); - } -} - -void gruesensorimpl::increaseChance() -{ - // The longer you stay in the dark, the higher your chance of being eaten - int chance = m_reading.chanceOfBeingEaten() + 10; - - m_reading.setTimestamp(timer.elapsed()); - m_reading.setChanceOfBeingEaten(chance); - - newReadingAvailable(); - - // No point in using the timer anymore if we've hit 100... you can't get more - // likely to be eaten than 100% - if (chance >= 100) - darkTimer->stop(); -} - |