diff options
Diffstat (limited to 'plugins/sensorgestures/qtsensors/qhoversensorgesturerecognizer.cpp')
| -rw-r--r-- | plugins/sensorgestures/qtsensors/qhoversensorgesturerecognizer.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/plugins/sensorgestures/qtsensors/qhoversensorgesturerecognizer.cpp b/plugins/sensorgestures/qtsensors/qhoversensorgesturerecognizer.cpp new file mode 100644 index 0000000000..65f232a0aa --- /dev/null +++ b/plugins/sensorgestures/qtsensors/qhoversensorgesturerecognizer.cpp @@ -0,0 +1,212 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include "qhoversensorgesturerecognizer.h" +#include <math.h> + +QTM_BEGIN_NAMESPACE + +QHoverSensorGestureRecognizer::QHoverSensorGestureRecognizer(QObject *parent) : + QSensorGestureRecognizer(parent), + orientationReading(0), + hoverOk(0), detecting(0), active(0), initialReflectance(0), useHack(0) +{ +} + +QHoverSensorGestureRecognizer::~QHoverSensorGestureRecognizer() +{ +} + +void QHoverSensorGestureRecognizer::create() +{ + timer2 = new QTimer(this); + connect(timer2,SIGNAL(timeout()),this,SLOT(timeout2())); + timer2->setSingleShot(true); + timer2->setInterval(3000); +} + +QString QHoverSensorGestureRecognizer::id() const +{ + return QString("QtSensors.hover"); +} + +bool QHoverSensorGestureRecognizer::start() +{ + if (QtSensorGestureSensorHandler::instance()->startSensor(QtSensorGestureSensorHandler::IrProximity)) { + if (QtSensorGestureSensorHandler::instance()->startSensor(QtSensorGestureSensorHandler::Orientation)) { + active = true; + connect(QtSensorGestureSensorHandler::instance(),SIGNAL(irProximityReadingChanged(QIRProximityReading *)), + this,SLOT(irProximityReadingChanged(QIRProximityReading *))); + connect(QtSensorGestureSensorHandler::instance(),SIGNAL(orientationReadingChanged(QOrientationReading *)), + this,SLOT(orientationReadingChanged(QOrientationReading *))); + } else { + QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::IrProximity); + active = false; + } + } else { + active = false; + } + + detecting = false; + detectedHigh = 0; + initialReflectance = 0; + useHack = false; + return active; +} + +bool QHoverSensorGestureRecognizer::stop() +{ + QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::IrProximity); + QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::Orientation); + disconnect(QtSensorGestureSensorHandler::instance(),SIGNAL(irProximityReadingChanged(QProximityReading *)), + this,SLOT(irProximityReadingChanged(QProximityReading *))); + disconnect(QtSensorGestureSensorHandler::instance(),SIGNAL(orientationReadingChanged(QOrientationReading *)), + this,SLOT(orientationReadingChanged(QOrientationReading *))); + active = false; + return active; +} + +bool QHoverSensorGestureRecognizer::isActive() +{ + return active; +} + + +void QHoverSensorGestureRecognizer::orientationReadingChanged(QOrientationReading *reading) +{ + orientationReading = reading; +} + +void QHoverSensorGestureRecognizer::irProximityReadingChanged(QProximityReading *reading) +{ +#warning FIXME +// reflectance = reading->reflectance(); +// if (reflectance == 0) +// return; + +// if (initialReflectance == 0) { +// initialReflectance = reflectance; +// } + +// if (initialReflectance > .2) { +// useHack = true; +// initialReflectance -= .1; +// } +// if (useHack) +// reflectance -= .1; + +// if (detecting && !hoverOk) { +// detectedHigh = qMax(detectedHigh, reflectance); +// } + +// if (reflectance > 0.4) { +// // if close stop detecting +// hoverOk = false; +// detecting = false; +// detectedHigh = 0; +// } + + +// qreal detectedPercent = 100 - (detectedHigh / reflectance * 100); + +// qint16 percentCheck; +// if (useHack) +// percentCheck = -60; +// else +// percentCheck = -101; + +// if (!detecting +// && checkForHovering()) { +// detecting = true; +// detectedHigh = reflectance; +// } else if (detecting +// && detectedPercent < percentCheck +// && !checkForHovering()) { +// // went light again after 1 seconds +// Q_EMIT hover(); +// Q_EMIT detected("hover"); +// hoverOk = false; +// detecting = false; +// detectedHigh = 0; +// timer2->stop(); +// } +// if (detecting && reflectance < 0.2) { +// timeout(); +// } +} + +bool QHoverSensorGestureRecognizer::checkForHovering() +{ + if (orientationReading == 0) { + return false; + } + if (orientationReading->orientation() != QOrientationReading::FaceUp) + return false; + if ( (reflectance > 0.2 && reflectance < 0.4) + && (initialReflectance - reflectance) < -0.1) + return true; + + return false; +} + + +void QHoverSensorGestureRecognizer::timeout() +{ + if (checkForHovering()) { + hoverOk = true; + timer2->start(); + } else { + detecting = false; + detectedHigh = 0; + } +} + +void QHoverSensorGestureRecognizer::timeout2() +{ + detecting = false; + hoverOk = false; + detectedHigh = 0; +} + +#include "moc_qhoversensorgesturerecognizer.cpp" + +QTM_END_NAMESPACE |