diff -r 71781823f776 -r 06b8e2af4411 qtmobility/examples/sensors/show_als/main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/qtmobility/examples/sensors/show_als/main.cpp Fri Jun 11 14:26:25 2010 +0300 @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 +#include + +QTM_USE_NAMESPACE + +class AmbientLightFilter : public QAmbientLightFilter +{ +public: + qtimestamp stamp; + bool filter(QAmbientLightReading *reading) + { + int diff = ( reading->timestamp() - stamp ); + stamp = reading->timestamp(); + QString output; + switch (reading->lightLevel()) { + case QAmbientLightReading::Dark: output = "Dark "; break; + case QAmbientLightReading::Twilight: output = "Twilight"; break; + case QAmbientLightReading::Light: output = "Light "; break; + case QAmbientLightReading::Bright: output = "Bright "; break; + case QAmbientLightReading::Sunny: output = "Sunny "; break; + case QAmbientLightReading::Undefined: output = "Undefined"; break; + default: output = "Invalid enum value"; + } + QTextStream out(stdout); + out << "Ambient light level: " << output + << QString(" (%1 ms since last, %2 Hz)").arg(diff / 1000, 5).arg( 1000000.0 / diff, 3, 'f', 1) << endl; + return false; // don't store the reading in the sensor + } +}; + +int main(int argc, char **argv) +{ + QCoreApplication app(argc, argv); + + QAmbientLightSensor sensor; + if (!sensor.connectToBackend()) { + qWarning("No ambient light sensor available!"); + return 1; + } + AmbientLightFilter filter; + sensor.addFilter(&filter); + sensor.start(); + + return app.exec(); +}